/*** This file is part of PulseAudio. Copyright 2004-2006 Lennart Poettering Copyright 2006 Pierre Ossman for Cendio AB PulseAudio is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. PulseAudio is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with PulseAudio; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. ***/ #ifdef HAVE_CONFIG_H #include #endif #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "protocol-native.h" /* #define PROTOCOL_NATIVE_DEBUG */ /* Kick a client if it doesn't authenticate within this time */ #define AUTH_TIMEOUT (60 * PA_USEC_PER_SEC) /* Don't accept more connection than this */ #define MAX_CONNECTIONS 64 #define MAX_MEMBLOCKQ_LENGTH (4*1024*1024) /* 4MB */ #define DEFAULT_TLENGTH_MSEC 2000 /* 2s */ #define DEFAULT_PROCESS_MSEC 20 /* 20ms */ #define DEFAULT_FRAGSIZE_MSEC DEFAULT_TLENGTH_MSEC struct pa_native_protocol; typedef struct record_stream { pa_msgobject parent; pa_native_connection *connection; uint32_t index; pa_source_output *source_output; pa_memblockq *memblockq; pa_bool_t adjust_latency:1; pa_bool_t early_requests:1; /* Requested buffer attributes */ pa_buffer_attr buffer_attr_req; /* Fixed-up and adjusted buffer attributes */ pa_buffer_attr buffer_attr; pa_atomic_t on_the_fly; pa_usec_t configured_source_latency; size_t drop_initial; /* Only updated after SOURCE_OUTPUT_MESSAGE_UPDATE_LATENCY */ size_t on_the_fly_snapshot; pa_usec_t current_monitor_latency; pa_usec_t current_source_latency; } record_stream; #define RECORD_STREAM(o) (record_stream_cast(o)) PA_DEFINE_PRIVATE_CLASS(record_stream, pa_msgobject); typedef struct output_stream { pa_msgobject parent; } output_stream; #define OUTPUT_STREAM(o) (output_stream_cast(o)) PA_DEFINE_PRIVATE_CLASS(output_stream, pa_msgobject); typedef struct playback_stream { output_stream parent; pa_native_connection *connection; uint32_t index; pa_sink_input *sink_input; pa_memblockq *memblockq; pa_bool_t adjust_latency:1; pa_bool_t early_requests:1; pa_bool_t is_underrun:1; pa_bool_t drain_request:1; uint32_t drain_tag; uint32_t syncid; /* Optimization to avoid too many rewinds with a lot of small blocks */ pa_atomic_t seek_or_post_in_queue; int64_t seek_windex; pa_atomic_t missing; pa_usec_t configured_sink_latency; /* Requested buffer attributes */ pa_buffer_attr buffer_attr_req; /* Fixed-up and adjusted buffer attributes */ pa_buffer_attr buffer_attr; /* Only updated after SINK_INPUT_MESSAGE_UPDATE_LATENCY */ int64_t read_index, write_index; size_t render_memblockq_length; pa_usec_t current_sink_latency; uint64_t playing_for, underrun_for; } playback_stream; #define PLAYBACK_STREAM(o) (playback_stream_cast(o)) PA_DEFINE_PRIVATE_CLASS(playback_stream, output_stream); typedef struct upload_stream { output_stream parent; pa_native_connection *connection; uint32_t index; pa_memchunk memchunk; size_t length; char *name; pa_sample_spec sample_spec; pa_channel_map channel_map; pa_proplist *proplist; } upload_stream; #define UPLOAD_STREAM(o) (upload_stream_cast(o)) PA_DEFINE_PRIVATE_CLASS(upload_stream, output_stream); struct pa_native_connection { pa_msgobject parent; pa_native_protocol *protocol; pa_native_options *options; pa_bool_t authorized:1; pa_bool_t is_local:1; uint32_t version; pa_client *client; pa_pstream *pstream; pa_pdispatch *pdispatch; pa_idxset *record_streams, *output_streams; uint32_t rrobin_index; pa_subscription *subscription; pa_time_event *auth_timeout_event; }; #define PA_NATIVE_CONNECTION(o) (pa_native_connection_cast(o)) PA_DEFINE_PRIVATE_CLASS(pa_native_connection, pa_msgobject); struct pa_native_protocol { PA_REFCNT_DECLARE; pa_core *core; pa_idxset *connections; pa_strlist *servers; pa_hook hooks[PA_NATIVE_HOOK_MAX]; pa_hashmap *extensions; }; enum { SOURCE_OUTPUT_MESSAGE_UPDATE_LATENCY = PA_SOURCE_OUTPUT_MESSAGE_MAX }; enum { SINK_INPUT_MESSAGE_POST_DATA = PA_SINK_INPUT_MESSAGE_MAX, /* data from main loop to sink input */ SINK_INPUT_MESSAGE_DRAIN, /* disabled prebuf, get playback started. */ SINK_INPUT_MESSAGE_FLUSH, SINK_INPUT_MESSAGE_TRIGGER, SINK_INPUT_MESSAGE_SEEK, SINK_INPUT_MESSAGE_PREBUF_FORCE, SINK_INPUT_MESSAGE_UPDATE_LATENCY, SINK_INPUT_MESSAGE_UPDATE_BUFFER_ATTR }; enum { PLAYBACK_STREAM_MESSAGE_REQUEST_DATA, /* data requested from sink input from the main loop */ PLAYBACK_STREAM_MESSAGE_UNDERFLOW, PLAYBACK_STREAM_MESSAGE_OVERFLOW, PLAYBACK_STREAM_MESSAGE_DRAIN_ACK, PLAYBACK_STREAM_MESSAGE_STARTED, PLAYBACK_STREAM_MESSAGE_UPDATE_TLENGTH }; enum { RECORD_STREAM_MESSAGE_POST_DATA /* data from source output to main loop */ }; enum { CONNECTION_MESSAGE_RELEASE, CONNECTION_MESSAGE_REVOKE }; static bool sink_input_process_underrun_cb(pa_sink_input *i); static int sink_input_pop_cb(pa_sink_input *i, size_t length, pa_memchunk *chunk); static void sink_input_kill_cb(pa_sink_input *i); static void sink_input_suspend_cb(pa_sink_input *i, pa_bool_t suspend); static void sink_input_moving_cb(pa_sink_input *i, pa_sink *dest); static void sink_input_process_rewind_cb(pa_sink_input *i, size_t nbytes); static void sink_input_update_max_rewind_cb(pa_sink_input *i, size_t nbytes); static void sink_input_update_max_request_cb(pa_sink_input *i, size_t nbytes); static void sink_input_send_event_cb(pa_sink_input *i, const char *event, pa_proplist *pl); static void native_connection_send_memblock(pa_native_connection *c); static void playback_stream_request_bytes(struct playback_stream*s); static void source_output_kill_cb(pa_source_output *o); static void source_output_push_cb(pa_source_output *o, const pa_memchunk *chunk); static void source_output_suspend_cb(pa_source_output *o, pa_bool_t suspend); static void source_output_moving_cb(pa_source_output *o, pa_source *dest); static pa_usec_t source_output_get_latency_cb(pa_source_output *o); static void source_output_send_event_cb(pa_source_output *o, const char *event, pa_proplist *pl); static int sink_input_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offset, pa_memchunk *chunk); static int source_output_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offset, pa_memchunk *chunk); static void command_exit(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata); static void command_create_playback_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata); static void command_drain_playback_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata); static void command_create_record_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata); static void command_delete_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata); static void command_auth(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata); static void command_set_client_name(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata); static void command_lookup(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata); static void command_stat(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata); static void command_get_playback_latency(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata); static void command_get_record_latency(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata); static void command_create_upload_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata); static void command_finish_upload_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata); static void command_play_sample(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata); static void command_remove_sample(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata); static void command_get_info(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata); static void command_get_info_list(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata); static void command_get_server_info(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata); static void command_subscribe(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata); static void command_set_volume(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata); static void command_set_mute(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata); static void command_cork_playback_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata); static void command_trigger_or_flush_or_prebuf_playback_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata); static void command_set_default_sink_or_source(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata); static void command_set_stream_name(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata); static void command_kill(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata); static void command_load_module(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata); static void command_unload_module(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata); static void command_cork_record_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata); static void command_flush_record_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata); static void command_move_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata); static void command_suspend(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata); static void command_set_stream_buffer_attr(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata); static void command_update_stream_sample_rate(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata); static void command_update_proplist(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata); static void command_remove_proplist(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata); static void command_extension(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata); static void command_set_card_profile(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata); static void command_set_sink_or_source_port(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata); static void command_set_port_latency_offset(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata); static const pa_pdispatch_cb_t command_table[PA_COMMAND_MAX] = { [PA_COMMAND_ERROR] = NULL, [PA_COMMAND_TIMEOUT] = NULL, [PA_COMMAND_REPLY] = NULL, [PA_COMMAND_CREATE_PLAYBACK_STREAM] = command_create_playback_stream, [PA_COMMAND_DELETE_PLAYBACK_STREAM] = command_delete_stream, [PA_COMMAND_DRAIN_PLAYBACK_STREAM] = command_drain_playback_stream, [PA_COMMAND_CREATE_RECORD_STREAM] = command_create_record_stream, [PA_COMMAND_DELETE_RECORD_STREAM] = command_delete_stream, [PA_COMMAND_AUTH] = command_auth, [PA_COMMAND_REQUEST] = NULL, [PA_COMMAND_EXIT] = command_exit, [PA_COMMAND_SET_CLIENT_NAME] = command_set_client_name, [PA_COMMAND_LOOKUP_SINK] = command_lookup, [PA_COMMAND_LOOKUP_SOURCE] = command_lookup, [PA_COMMAND_STAT] = command_stat, [PA_COMMAND_GET_PLAYBACK_LATENCY] = command_get_playback_latency, [PA_COMMAND_GET_RECORD_LATENCY] = command_get_record_latency, [PA_COMMAND_CREATE_UPLOAD_STREAM] = command_create_upload_stream, [PA_COMMAND_DELETE_UPLOAD_STREAM] = command_delete_stream, [PA_COMMAND_FINISH_UPLOAD_STREAM] = command_finish_upload_stream, [PA_COMMAND_PLAY_SAMPLE] = command_play_sample, [PA_COMMAND_REMOVE_SAMPLE] = command_remove_sample, [PA_COMMAND_GET_SINK_INFO] = command_get_info, [PA_COMMAND_GET_SOURCE_INFO] = command_get_info, [PA_COMMAND_GET_CLIENT_INFO] = command_get_info, [PA_COMMAND_GET_CARD_INFO] = command_get_info, [PA_COMMAND_GET_MODULE_INFO] = command_get_info, [PA_COMMAND_GET_SINK_INPUT_INFO] = command_get_info, [PA_COMMAND_GET_SOURCE_OUTPUT_INFO] = command_get_info, [PA_COMMAND_GET_SAMPLE_INFO] = command_get_info, [PA_COMMAND_GET_SINK_INFO_LIST] = command_get_info_list, [PA_COMMAND_GET_SOURCE_INFO_LIST] = command_get_info_list, [PA_COMMAND_GET_MODULE_INFO_LIST] = command_get_info_list, [PA_COMMAND_GET_CLIENT_INFO_LIST] = command_get_info_list, [PA_COMMAND_GET_CARD_INFO_LIST] = command_get_info_list, [PA_COMMAND_GET_SINK_INPUT_INFO_LIST] = command_get_info_list, [PA_COMMAND_GET_SOURCE_OUTPUT_INFO_LIST] = command_get_info_list, [PA_COMMAND_GET_SAMPLE_INFO_LIST] = command_get_info_list, [PA_COMMAND_GET_SERVER_INFO] = command_get_server_info, [PA_COMMAND_SUBSCRIBE] = command_subscribe, [PA_COMMAND_SET_SINK_VOLUME] = command_set_volume, [PA_COMMAND_SET_SINK_INPUT_VOLUME] = command_set_volume, [PA_COMMAND_SET_SOURCE_VOLUME] = command_set_volume, [PA_COMMAND_SET_SOURCE_OUTPUT_VOLUME] = command_set_volume, [PA_COMMAND_SET_SINK_MUTE] = command_set_mute, [PA_COMMAND_SET_SINK_INPUT_MUTE] = command_set_mute, [PA_COMMAND_SET_SOURCE_MUTE] = command_set_mute, [PA_COMMAND_SET_SOURCE_OUTPUT_MUTE] = command_set_mute, [PA_COMMAND_SUSPEND_SINK] = command_suspend, [PA_COMMAND_SUSPEND_SOURCE] = command_suspend, [PA_COMMAND_CORK_PLAYBACK_STREAM] = command_cork_playback_stream, [PA_COMMAND_FLUSH_PLAYBACK_STREAM] = command_trigger_or_flush_or_prebuf_playback_stream, [PA_COMMAND_TRIGGER_PLAYBACK_STREAM] = command_trigger_or_flush_or_prebuf_playback_stream, [PA_COMMAND_PREBUF_PLAYBACK_STREAM] = command_trigger_or_flush_or_prebuf_playback_stream, [PA_COMMAND_CORK_RECORD_STREAM] = command_cork_record_stream, [PA_COMMAND_FLUSH_RECORD_STREAM] = command_flush_record_stream, [PA_COMMAND_SET_DEFAULT_SINK] = command_set_default_sink_or_source, [PA_COMMAND_SET_DEFAULT_SOURCE] = command_set_default_sink_or_source, [PA_COMMAND_SET_PLAYBACK_STREAM_NAME] = command_set_stream_name, [PA_COMMAND_SET_RECORD_STREAM_NAME] = command_set_stream_name, [PA_COMMAND_KILL_CLIENT] = command_kill, [PA_COMMAND_KILL_SINK_INPUT] = command_kill, [PA_COMMAND_KILL_SOURCE_OUTPUT] = command_kill, [PA_COMMAND_LOAD_MODULE] = command_load_module, [PA_COMMAND_UNLOAD_MODULE] = command_unload_module, [PA_COMMAND_GET_AUTOLOAD_INFO___OBSOLETE] = NULL, [PA_COMMAND_GET_AUTOLOAD_INFO_LIST___OBSOLETE] = NULL, [PA_COMMAND_ADD_AUTOLOAD___OBSOLETE] = NULL, [PA_COMMAND_REMOVE_AUTOLOAD___OBSOLETE] = NULL, [PA_COMMAND_MOVE_SINK_INPUT] = command_move_stream, [PA_COMMAND_MOVE_SOURCE_OUTPUT] = command_move_stream, [PA_COMMAND_SET_PLAYBACK_STREAM_BUFFER_ATTR] = command_set_stream_buffer_attr, [PA_COMMAND_SET_RECORD_STREAM_BUFFER_ATTR] = command_set_stream_buffer_attr, [PA_COMMAND_UPDATE_PLAYBACK_STREAM_SAMPLE_RATE] = command_update_stream_sample_rate, [PA_COMMAND_UPDATE_RECORD_STREAM_SAMPLE_RATE] = command_update_stream_sample_rate, [PA_COMMAND_UPDATE_RECORD_STREAM_PROPLIST] = command_update_proplist, [PA_COMMAND_UPDATE_PLAYBACK_STREAM_PROPLIST] = command_update_proplist, [PA_COMMAND_UPDATE_CLIENT_PROPLIST] = command_update_proplist, [PA_COMMAND_REMOVE_RECORD_STREAM_PROPLIST] = command_remove_proplist, [PA_COMMAND_REMOVE_PLAYBACK_STREAM_PROPLIST] = command_remove_proplist, [PA_COMMAND_REMOVE_CLIENT_PROPLIST] = command_remove_proplist, [PA_COMMAND_SET_CARD_PROFILE] = command_set_card_profile, [PA_COMMAND_SET_SINK_PORT] = command_set_sink_or_source_port, [PA_COMMAND_SET_SOURCE_PORT] = command_set_sink_or_source_port, [PA_COMMAND_SET_PORT_LATENCY_OFFSET] = command_set_port_latency_offset, [PA_COMMAND_EXTENSION] = command_extension }; /* structure management */ /* Called from main context */ static void upload_stream_unlink(upload_stream *s) { pa_assert(s); if (!s->connection) return; pa_assert_se(pa_idxset_remove_by_data(s->connection->output_streams, s, NULL) == s); s->connection = NULL; upload_stream_unref(s); } /* Called from main context */ static void upload_stream_free(pa_object *o) { upload_stream *s = UPLOAD_STREAM(o); pa_assert(s); upload_stream_unlink(s); pa_xfree(s->name); if (s->proplist) pa_proplist_free(s->proplist); if (s->memchunk.memblock) pa_memblock_unref(s->memchunk.memblock); pa_xfree(s); } /* Called from main context */ static upload_stream* upload_stream_new( pa_native_connection *c, const pa_sample_spec *ss, const pa_channel_map *map, const char *name, size_t length, pa_proplist *p) { upload_stream *s; pa_assert(c); pa_assert(ss); pa_assert(name); pa_assert(length > 0); pa_assert(p); s = pa_msgobject_new(upload_stream); s->parent.parent.parent.free = upload_stream_free; s->connection = c; s->sample_spec = *ss; s->channel_map = *map; s->name = pa_xstrdup(name); pa_memchunk_reset(&s->memchunk); s->length = length; s->proplist = pa_proplist_copy(p); pa_proplist_update(s->proplist, PA_UPDATE_MERGE, c->client->proplist); pa_idxset_put(c->output_streams, s, &s->index); return s; } /* Called from main context */ static void record_stream_unlink(record_stream *s) { pa_assert(s); if (!s->connection) return; if (s->source_output) { pa_source_output_unlink(s->source_output); pa_source_output_unref(s->source_output); s->source_output = NULL; } pa_assert_se(pa_idxset_remove_by_data(s->connection->record_streams, s, NULL) == s); s->connection = NULL; record_stream_unref(s); } /* Called from main context */ static void record_stream_free(pa_object *o) { record_stream *s = RECORD_STREAM(o); pa_assert(s); record_stream_unlink(s); pa_memblockq_free(s->memblockq); pa_xfree(s); } /* Called from main context */ static int record_stream_process_msg(pa_msgobject *o, int code, void*userdata, int64_t offset, pa_memchunk *chunk) { record_stream *s = RECORD_STREAM(o); record_stream_assert_ref(s); if (!s->connection) return -1; switch (code) { case RECORD_STREAM_MESSAGE_POST_DATA: /* We try to keep up to date with how many bytes are * currently on the fly */ pa_atomic_sub(&s->on_the_fly, chunk->length); if (pa_memblockq_push_align(s->memblockq, chunk) < 0) { /* pa_log_warn("Failed to push data into output queue."); */ return -1; } if (!pa_pstream_is_pending(s->connection->pstream)) native_connection_send_memblock(s->connection); break; } return 0; } /* Called from main context */ static void fix_record_buffer_attr_pre(record_stream *s) { size_t frame_size; pa_usec_t orig_fragsize_usec, fragsize_usec, source_usec; pa_assert(s); /* This function will be called from the main thread, before as * well as after the source output has been activated using * pa_source_output_put()! That means it may not touch any * ->thread_info data! */ frame_size = pa_frame_size(&s->source_output->sample_spec); s->buffer_attr = s->buffer_attr_req; if (s->buffer_attr.maxlength == (uint32_t) -1 || s->buffer_attr.maxlength > MAX_MEMBLOCKQ_LENGTH) s->buffer_attr.maxlength = MAX_MEMBLOCKQ_LENGTH; if (s->buffer_attr.maxlength <= 0) s->buffer_attr.maxlength = (uint32_t) frame_size; if (s->buffer_attr.fragsize == (uint32_t) -1) s->buffer_attr.fragsize = (uint32_t) pa_usec_to_bytes(DEFAULT_FRAGSIZE_MSEC*PA_USEC_PER_MSEC, &s->source_output->sample_spec); if (s->buffer_attr.fragsize <= 0) s->buffer_attr.fragsize = (uint32_t) frame_size; orig_fragsize_usec = fragsize_usec = pa_bytes_to_usec(s->buffer_attr.fragsize, &s->source_output->sample_spec); if (s->early_requests) { /* In early request mode we need to emulate the classic * fragment-based playback model. We do this setting the source * latency to the fragment size. */ source_usec = fragsize_usec; } else if (s->adjust_latency) { /* So, the user asked us to adjust the latency according to * what the source can provide. Half the latency will be * spent on the hw buffer, half of it in the async buffer * queue we maintain for each client. */ source_usec = fragsize_usec/2; } else { /* Ok, the user didn't ask us to adjust the latency, hence we * don't */ source_usec = (pa_usec_t) -1; } if (source_usec != (pa_usec_t) -1) s->configured_source_latency = pa_source_output_set_requested_latency(s->source_output, source_usec); else s->configured_source_latency = 0; if (s->early_requests) { /* Ok, we didn't necessarily get what we were asking for, so * let's tell the user */ fragsize_usec = s->configured_source_latency; } else if (s->adjust_latency) { /* Now subtract what we actually got */ if (fragsize_usec >= s->configured_source_latency*2) fragsize_usec -= s->configured_source_latency; else fragsize_usec = s->configured_source_latency; } if (pa_usec_to_bytes(orig_fragsize_usec, &s->source_output->sample_spec) != pa_usec_to_bytes(fragsize_usec, &s->source_output->sample_spec)) s->buffer_attr.fragsize = (uint32_t) pa_usec_to_bytes(fragsize_usec, &s->source_output->sample_spec); if (s->buffer_attr.fragsize <= 0) s->buffer_attr.fragsize = (uint32_t) frame_size; } /* Called from main context */ static void fix_record_buffer_attr_post(record_stream *s) { size_t base; pa_assert(s); /* This function will be called from the main thread, before as * well as after the source output has been activated using * pa_source_output_put()! That means it may not touch and * ->thread_info data! */ base = pa_frame_size(&s->source_output->sample_spec); s->buffer_attr.fragsize = (s->buffer_attr.fragsize/base)*base; if (s->buffer_attr.fragsize <= 0) s->buffer_attr.fragsize = base; if (s->buffer_attr.fragsize > s->buffer_attr.maxlength) s->buffer_attr.fragsize = s->buffer_attr.maxlength; } /* Called from main context */ static record_stream* record_stream_new( pa_native_connection *c, pa_source *source, pa_sample_spec *ss, pa_channel_map *map, pa_idxset *formats, pa_buffer_attr *attr, pa_cvolume *volume, pa_bool_t muted, pa_bool_t muted_set, pa_source_output_flags_t flags, pa_proplist *p, pa_bool_t adjust_latency, pa_bool_t early_requests, pa_bool_t relative_volume, pa_bool_t peak_detect, pa_sink_input *direct_on_input, int *ret) { record_stream *s; pa_source_output *source_output = NULL; pa_source_output_new_data data; char *memblockq_name; pa_assert(c); pa_assert(ss); pa_assert(p); pa_assert(ret); pa_source_output_new_data_init(&data); pa_proplist_update(data.proplist, PA_UPDATE_REPLACE, p); data.driver = __FILE__; data.module = c->options->module; data.client = c->client; if (source) pa_source_output_new_data_set_source(&data, source, FALSE); if (pa_sample_spec_valid(ss)) pa_source_output_new_data_set_sample_spec(&data, ss); if (pa_channel_map_valid(map)) pa_source_output_new_data_set_channel_map(&data, map); if (formats) pa_source_output_new_data_set_formats(&data, formats); data.direct_on_input = direct_on_input; if (volume) { pa_source_output_new_data_set_volume(&data, volume); data.volume_is_absolute = !relative_volume; data.save_volume = FALSE; } if (muted_set) { pa_source_output_new_data_set_muted(&data, muted); data.save_muted = FALSE; } if (peak_detect) data.resample_method = PA_RESAMPLER_PEAKS; data.flags = flags; *ret = -pa_source_output_new(&source_output, c->protocol->core, &data); pa_source_output_new_data_done(&data); if (!source_output) return NULL; s = pa_msgobject_new(record_stream); s->parent.parent.free = record_stream_free; s->parent.process_msg = record_stream_process_msg; s->connection = c; s->source_output = source_output; s->buffer_attr_req = *attr; s->adjust_latency = adjust_latency; s->early_requests = early_requests; pa_atomic_store(&s->on_the_fly, 0); s->source_output->parent.process_msg = source_output_process_msg; s->source_output->push = source_output_push_cb; s->source_output->kill = source_output_kill_cb; s->source_output->get_latency = source_output_get_latency_cb; s->source_output->moving = source_output_moving_cb; s->source_output->suspend = source_output_suspend_cb; s->source_output->send_event = source_output_send_event_cb; s->source_output->userdata = s; fix_record_buffer_attr_pre(s); memblockq_name = pa_sprintf_malloc("native protocol record stream memblockq [%u]", s->source_output->index); s->memblockq = pa_memblockq_new( memblockq_name, 0, s->buffer_attr.maxlength, 0, &source_output->sample_spec, 1, 0, 0, NULL); pa_xfree(memblockq_name); pa_memblockq_get_attr(s->memblockq, &s->buffer_attr); fix_record_buffer_attr_post(s); *ss = s->source_output->sample_spec; *map = s->source_output->channel_map; pa_idxset_put(c->record_streams, s, &s->index); pa_log_info("Final latency %0.2f ms = %0.2f ms + %0.2f ms", ((double) pa_bytes_to_usec(s->buffer_attr.fragsize, &source_output->sample_spec) + (double) s->configured_source_latency) / PA_USEC_PER_MSEC, (double) pa_bytes_to_usec(s->buffer_attr.fragsize, &source_output->sample_spec) / PA_USEC_PER_MSEC, (double) s->configured_source_latency / PA_USEC_PER_MSEC); pa_source_output_put(s->source_output); return s; } /* Called from main context */ static void record_stream_send_killed(record_stream *r) { pa_tagstruct *t; record_stream_assert_ref(r); t = pa_tagstruct_new(NULL, 0); pa_tagstruct_putu32(t, PA_COMMAND_RECORD_STREAM_KILLED); pa_tagstruct_putu32(t, (uint32_t) -1); /* tag */ pa_tagstruct_putu32(t, r->index); pa_pstream_send_tagstruct(r->connection->pstream, t); } /* Called from main context */ static void playback_stream_unlink(playback_stream *s) { pa_assert(s); if (!s->connection) return; if (s->sink_input) { pa_sink_input_unlink(s->sink_input); pa_sink_input_unref(s->sink_input); s->sink_input = NULL; } if (s->drain_request) pa_pstream_send_error(s->connection->pstream, s->drain_tag, PA_ERR_NOENTITY); pa_assert_se(pa_idxset_remove_by_data(s->connection->output_streams, s, NULL) == s); s->connection = NULL; playback_stream_unref(s); } /* Called from main context */ static void playback_stream_free(pa_object* o) { playback_stream *s = PLAYBACK_STREAM(o); pa_assert(s); playback_stream_unlink(s); pa_memblockq_free(s->memblockq); pa_xfree(s); } /* Called from main context */ static int playback_stream_process_msg(pa_msgobject *o, int code, void*userdata, int64_t offset, pa_memchunk *chunk) { playback_stream *s = PLAYBACK_STREAM(o); playback_stream_assert_ref(s); if (!s->connection) return -1; switch (code) { case PLAYBACK_STREAM_MESSAGE_REQUEST_DATA: { pa_tagstruct *t; int l = 0; for (;;) { if ((l = pa_atomic_load(&s->missing)) <= 0) return 0; if (pa_atomic_cmpxchg(&s->missing, l, 0)) break; } t = pa_tagstruct_new(NULL, 0); pa_tagstruct_putu32(t, PA_COMMAND_REQUEST); pa_tagstruct_putu32(t, (uint32_t) -1); /* tag */ pa_tagstruct_putu32(t, s->index); pa_tagstruct_putu32(t, (uint32_t) l); pa_pstream_send_tagstruct(s->connection->pstream, t); #ifdef PROTOCOL_NATIVE_DEBUG pa_log("Requesting %lu bytes", (unsigned long) l); #endif break; } case PLAYBACK_STREAM_MESSAGE_UNDERFLOW: { pa_tagstruct *t; #ifdef PROTOCOL_NATIVE_DEBUG pa_log("signalling underflow"); #endif /* Report that we're empty */ t = pa_tagstruct_new(NULL, 0); pa_tagstruct_putu32(t, PA_COMMAND_UNDERFLOW); pa_tagstruct_putu32(t, (uint32_t) -1); /* tag */ pa_tagstruct_putu32(t, s->index); if (s->connection->version >= 23) pa_tagstruct_puts64(t, offset); pa_pstream_send_tagstruct(s->connection->pstream, t); break; } case PLAYBACK_STREAM_MESSAGE_OVERFLOW: { pa_tagstruct *t; /* Notify the user we're overflowed*/ t = pa_tagstruct_new(NULL, 0); pa_tagstruct_putu32(t, PA_COMMAND_OVERFLOW); pa_tagstruct_putu32(t, (uint32_t) -1); /* tag */ pa_tagstruct_putu32(t, s->index); pa_pstream_send_tagstruct(s->connection->pstream, t); break; } case PLAYBACK_STREAM_MESSAGE_STARTED: if (s->connection->version >= 13) { pa_tagstruct *t; /* Notify the user we started playback */ t = pa_tagstruct_new(NULL, 0); pa_tagstruct_putu32(t, PA_COMMAND_STARTED); pa_tagstruct_putu32(t, (uint32_t) -1); /* tag */ pa_tagstruct_putu32(t, s->index); pa_pstream_send_tagstruct(s->connection->pstream, t); } break; case PLAYBACK_STREAM_MESSAGE_DRAIN_ACK: pa_pstream_send_simple_ack(s->connection->pstream, PA_PTR_TO_UINT(userdata)); break; case PLAYBACK_STREAM_MESSAGE_UPDATE_TLENGTH: s->buffer_attr.tlength = (uint32_t) offset; if (s->connection->version >= 15) { pa_tagstruct *t; t = pa_tagstruct_new(NULL, 0); pa_tagstruct_putu32(t, PA_COMMAND_PLAYBACK_BUFFER_ATTR_CHANGED); pa_tagstruct_putu32(t, (uint32_t) -1); /* tag */ pa_tagstruct_putu32(t, s->index); pa_tagstruct_putu32(t, s->buffer_attr.maxlength); pa_tagstruct_putu32(t, s->buffer_attr.tlength); pa_tagstruct_putu32(t, s->buffer_attr.prebuf); pa_tagstruct_putu32(t, s->buffer_attr.minreq); pa_tagstruct_put_usec(t, s->configured_sink_latency); pa_pstream_send_tagstruct(s->connection->pstream, t); } break; } return 0; } /* Called from main context */ static void fix_playback_buffer_attr(playback_stream *s) { size_t frame_size, max_prebuf; pa_usec_t orig_tlength_usec, tlength_usec, orig_minreq_usec, minreq_usec, sink_usec; pa_assert(s); #ifdef PROTOCOL_NATIVE_DEBUG pa_log("Client requested: maxlength=%li bytes tlength=%li bytes minreq=%li bytes prebuf=%li bytes", (long) s->buffer_attr_req.maxlength, (long) s->buffer_attr_req.tlength, (long) s->buffer_attr_req.minreq, (long) s->buffer_attr_req.prebuf); pa_log("Client requested: maxlength=%lu ms tlength=%lu ms minreq=%lu ms prebuf=%lu ms", (unsigned long) (pa_bytes_to_usec(s->buffer_attr_req.maxlength, &s->sink_input->sample_spec) / PA_USEC_PER_MSEC), (unsigned long) (pa_bytes_to_usec(s->buffer_attr_req.tlength, &s->sink_input->sample_spec) / PA_USEC_PER_MSEC), (unsigned long) (pa_bytes_to_usec(s->buffer_attr_req.minreq, &s->sink_input->sample_spec) / PA_USEC_PER_MSEC), (unsigned long) (pa_bytes_to_usec(s->buffer_attr_req.prebuf, &s->sink_input->sample_spec) / PA_USEC_PER_MSEC)); #endif /* This function will be called from the main thread, before as * well as after the sink input has been activated using * pa_sink_input_put()! That means it may not touch any * ->thread_info data, such as the memblockq! */ frame_size = pa_frame_size(&s->sink_input->sample_spec); s->buffer_attr = s->buffer_attr_req; if (s->buffer_attr.maxlength == (uint32_t) -1 || s->buffer_attr.maxlength > MAX_MEMBLOCKQ_LENGTH) s->buffer_attr.maxlength = MAX_MEMBLOCKQ_LENGTH; if (s->buffer_attr.maxlength <= 0) s->buffer_attr.maxlength = (uint32_t) frame_size; if (s->buffer_attr.tlength == (uint32_t) -1) s->buffer_attr.tlength = (uint32_t) pa_usec_to_bytes_round_up(DEFAULT_TLENGTH_MSEC*PA_USEC_PER_MSEC, &s->sink_input->sample_spec); if (s->buffer_attr.tlength <= 0) s->buffer_attr.tlength = (uint32_t) frame_size; if (s->buffer_attr.tlength > s->buffer_attr.maxlength) s->buffer_attr.tlength = s->buffer_attr.maxlength; if (s->buffer_attr.minreq == (uint32_t) -1) { uint32_t process = (uint32_t) pa_usec_to_bytes_round_up(DEFAULT_PROCESS_MSEC*PA_USEC_PER_MSEC, &s->sink_input->sample_spec); /* With low-latency, tlength/4 gives a decent default in all of traditional, adjust latency and early request modes. */ uint32_t m = s->buffer_attr.tlength / 4; if (frame_size) m -= m % frame_size; s->buffer_attr.minreq = PA_MIN(process, m); } if (s->buffer_attr.minreq <= 0) s->buffer_attr.minreq = (uint32_t) frame_size; if (s->buffer_attr.tlength < s->buffer_attr.minreq+frame_size) s->buffer_attr.tlength = s->buffer_attr.minreq+(uint32_t) frame_size; orig_tlength_usec = tlength_usec = pa_bytes_to_usec(s->buffer_attr.tlength, &s->sink_input->sample_spec); orig_minreq_usec = minreq_usec = pa_bytes_to_usec(s->buffer_attr.minreq, &s->sink_input->sample_spec); pa_log_info("Requested tlength=%0.2f ms, minreq=%0.2f ms", (double) tlength_usec / PA_USEC_PER_MSEC, (double) minreq_usec / PA_USEC_PER_MSEC); if (s->early_requests) { /* In early request mode we need to emulate the classic * fragment-based playback model. We do this setting the sink * latency to the fragment size. */ sink_usec = minreq_usec; pa_log_debug("Early requests mode enabled, configuring sink latency to minreq."); } else if (s->adjust_latency) { /* So, the user asked us to adjust the latency of the stream * buffer according to the what the sink can provide. The * tlength passed in shall be the overall latency. Roughly * half the latency will be spent on the hw buffer, the other * half of it in the async buffer queue we maintain for each * client. In between we'll have a safety space of size * 2*minreq. Why the 2*minreq? When the hw buffer is completely * empty and needs to be filled, then our buffer must have * enough data to fulfill this request immediately and thus * have at least the same tlength as the size of the hw * buffer. It additionally needs space for 2 times minreq * because if the buffer ran empty and a partial fillup * happens immediately on the next iteration we need to be * able to fulfill it and give the application also minreq * time to fill it up again for the next request Makes 2 times * minreq in plus.. */ if (tlength_usec > minreq_usec*2) sink_usec = (tlength_usec - minreq_usec*2)/2; else sink_usec = 0; pa_log_debug("Adjust latency mode enabled, configuring sink latency to half of overall latency."); } else { /* Ok, the user didn't ask us to adjust the latency, but we * still need to make sure that the parameters from the user * do make sense. */ if (tlength_usec > minreq_usec*2) sink_usec = (tlength_usec - minreq_usec*2); else sink_usec = 0; pa_log_debug("Traditional mode enabled, modifying sink usec only for compat with minreq."); } s->configured_sink_latency = pa_sink_input_set_requested_latency(s->sink_input, sink_usec); if (s->early_requests) { /* Ok, we didn't necessarily get what we were asking for, so * let's tell the user */ minreq_usec = s->configured_sink_latency; } else if (s->adjust_latency) { /* Ok, we didn't necessarily get what we were asking for, so * let's subtract from what we asked for for the remaining * buffer space */ if (tlength_usec >= s->configured_sink_latency) tlength_usec -= s->configured_sink_latency; } pa_log_debug("Requested latency=%0.2f ms, Received latency=%0.2f ms", (double) sink_usec / PA_USEC_PER_MSEC, (double) s->configured_sink_latency / PA_USEC_PER_MSEC); /* FIXME: This is actually larger than necessary, since not all of * the sink latency is actually rewritable. */ if (tlength_usec < s->configured_sink_latency + 2*minreq_usec) tlength_usec = s->configured_sink_latency + 2*minreq_usec; if (pa_usec_to_bytes_round_up(orig_tlength_usec, &s->sink_input->sample_spec) != pa_usec_to_bytes_round_up(tlength_usec, &s->sink_input->sample_spec)) s->buffer_attr.tlength = (uint32_t) pa_usec_to_bytes_round_up(tlength_usec, &s->sink_input->sample_spec); if (pa_usec_to_bytes(orig_minreq_usec, &s->sink_input->sample_spec) != pa_usec_to_bytes(minreq_usec, &s->sink_input->sample_spec)) s->buffer_attr.minreq = (uint32_t) pa_usec_to_bytes(minreq_usec, &s->sink_input->sample_spec); if (s->buffer_attr.minreq <= 0) { s->buffer_attr.minreq = (uint32_t) frame_size; s->buffer_attr.tlength += (uint32_t) frame_size*2; } if (s->buffer_attr.tlength <= s->buffer_attr.minreq) s->buffer_attr.tlength = s->buffer_attr.minreq*2 + (uint32_t) frame_size; max_prebuf = s->buffer_attr.tlength + (uint32_t)frame_size - s->buffer_attr.minreq; if (s->buffer_attr.prebuf == (uint32_t) -1 || s->buffer_attr.prebuf > max_prebuf) s->buffer_attr.prebuf = max_prebuf; #ifdef PROTOCOL_NATIVE_DEBUG pa_log("Client accepted: maxlength=%lu ms tlength=%lu ms minreq=%lu ms prebuf=%lu ms", (unsigned long) (pa_bytes_to_usec(s->buffer_attr.maxlength, &s->sink_input->sample_spec) / PA_USEC_PER_MSEC), (unsigned long) (pa_bytes_to_usec(s->buffer_attr.tlength, &s->sink_input->sample_spec) / PA_USEC_PER_MSEC), (unsigned long) (pa_bytes_to_usec(s->buffer_attr.minreq, &s->sink_input->sample_spec) / PA_USEC_PER_MSEC), (unsigned long) (pa_bytes_to_usec(s->buffer_attr.prebuf, &s->sink_input->sample_spec) / PA_USEC_PER_MSEC)); #endif } /* Called from main context */ static playback_stream* playback_stream_new( pa_native_connection *c, pa_sink *sink, pa_sample_spec *ss, pa_channel_map *map, pa_idxset *formats, pa_buffer_attr *a, pa_cvolume *volume, pa_bool_t muted, pa_bool_t muted_set, pa_sink_input_flags_t flags, pa_proplist *p, pa_bool_t adjust_latency, pa_bool_t early_requests, pa_bool_t relative_volume, uint32_t syncid, uint32_t *missing, int *ret) { /* Note: This function takes ownership of the 'formats' param, so we need * to take extra care to not leak it */ playback_stream *ssync; playback_stream *s = NULL; pa_sink_input *sink_input = NULL; pa_memchunk silence; uint32_t idx; int64_t start_index; pa_sink_input_new_data data; char *memblockq_name; pa_assert(c); pa_assert(ss); pa_assert(missing); pa_assert(p); pa_assert(ret); /* Find syncid group */ PA_IDXSET_FOREACH(ssync, c->output_streams, idx) { if (!playback_stream_isinstance(ssync)) continue; if (ssync->syncid == syncid) break; } /* Synced streams must connect to the same sink */ if (ssync) { if (!sink) sink = ssync->sink_input->sink; else if (sink != ssync->sink_input->sink) { *ret = PA_ERR_INVALID; goto out; } } pa_sink_input_new_data_init(&data); pa_proplist_update(data.proplist, PA_UPDATE_REPLACE, p); data.driver = __FILE__; data.module = c->options->module; data.client = c->client; if (sink) pa_sink_input_new_data_set_sink(&data, sink, FALSE); if (pa_sample_spec_valid(ss)) pa_sink_input_new_data_set_sample_spec(&data, ss); if (pa_channel_map_valid(map)) pa_sink_input_new_data_set_channel_map(&data, map); if (formats) { pa_sink_input_new_data_set_formats(&data, formats); /* Ownership transferred to new_data, so we don't free it ourselves */ formats = NULL; } if (volume) { pa_sink_input_new_data_set_volume(&data, volume); data.volume_is_absolute = !relative_volume; data.save_volume = FALSE; } if (muted_set) { pa_sink_input_new_data_set_muted(&data, muted); data.save_muted = FALSE; } data.sync_base = ssync ? ssync->sink_input : NULL; data.flags = flags; *ret = -pa_sink_input_new(&sink_input, c->protocol->core, &data); pa_sink_input_new_data_done(&data); if (!sink_input) goto out; s = pa_msgobject_new(playback_stream); s->parent.parent.parent.free = playback_stream_free; s->parent.parent.process_msg = playback_stream_process_msg; s->connection = c; s->syncid = syncid; s->sink_input = sink_input; s->is_underrun = TRUE; s->drain_request = FALSE; pa_atomic_store(&s->missing, 0); s->buffer_attr_req = *a; s->adjust_latency = adjust_latency; s->early_requests = early_requests; pa_atomic_store(&s->seek_or_post_in_queue, 0); s->seek_windex = -1; s->sink_input->parent.process_msg = sink_input_process_msg; s->sink_input->pop = sink_input_pop_cb; s->sink_input->process_underrun = sink_input_process_underrun_cb; s->sink_input->process_rewind = sink_input_process_rewind_cb; s->sink_input->update_max_rewind = sink_input_update_max_rewind_cb; s->sink_input->update_max_request = sink_input_update_max_request_cb; s->sink_input->kill = sink_input_kill_cb; s->sink_input->moving = sink_input_moving_cb; s->sink_input->suspend = sink_input_suspend_cb; s->sink_input->send_event = sink_input_send_event_cb; s->sink_input->userdata = s; start_index = ssync ? pa_memblockq_get_read_index(ssync->memblockq) : 0; fix_playback_buffer_attr(s); pa_sink_input_get_silence(sink_input, &silence); memblockq_name = pa_sprintf_malloc("native protocol playback stream memblockq [%u]", s->sink_input->index); s->memblockq = pa_memblockq_new( memblockq_name, start_index, s->buffer_attr.maxlength, s->buffer_attr.tlength, &sink_input->sample_spec, s->buffer_attr.prebuf, s->buffer_attr.minreq, 0, &silence); pa_xfree(memblockq_name); pa_memblock_unref(silence.memblock); pa_memblockq_get_attr(s->memblockq, &s->buffer_attr); *missing = (uint32_t) pa_memblockq_pop_missing(s->memblockq); #ifdef PROTOCOL_NATIVE_DEBUG pa_log("missing original: %li", (long int) *missing); #endif *ss = s->sink_input->sample_spec; *map = s->sink_input->channel_map; pa_idxset_put(c->output_streams, s, &s->index); pa_log_info("Final latency %0.2f ms = %0.2f ms + 2*%0.2f ms + %0.2f ms", ((double) pa_bytes_to_usec(s->buffer_attr.tlength, &sink_input->sample_spec) + (double) s->configured_sink_latency) / PA_USEC_PER_MSEC, (double) pa_bytes_to_usec(s->buffer_attr.tlength-s->buffer_attr.minreq*2, &sink_input->sample_spec) / PA_USEC_PER_MSEC, (double) pa_bytes_to_usec(s->buffer_attr.minreq, &sink_input->sample_spec) / PA_USEC_PER_MSEC, (double) s->configured_sink_latency / PA_USEC_PER_MSEC); pa_sink_input_put(s->sink_input); out: if (formats) pa_idxset_free(formats, (pa_free_cb_t) pa_format_info_free); return s; } /* Called from IO context */ static void playback_stream_request_bytes(playback_stream *s) { size_t m, minreq; int previous_missing; playback_stream_assert_ref(s); m = pa_memblockq_pop_missing(s->memblockq); /* pa_log("request_bytes(%lu) (tlength=%lu minreq=%lu length=%lu really missing=%lli)", */ /* (unsigned long) m, */ /* pa_memblockq_get_tlength(s->memblockq), */ /* pa_memblockq_get_minreq(s->memblockq), */ /* pa_memblockq_get_length(s->memblockq), */ /* (long long) pa_memblockq_get_tlength(s->memblockq) - (long long) pa_memblockq_get_length(s->memblockq)); */ if (m <= 0) return; #ifdef PROTOCOL_NATIVE_DEBUG pa_log("request_bytes(%lu)", (unsigned long) m); #endif previous_missing = pa_atomic_add(&s->missing, (int) m); minreq = pa_memblockq_get_minreq(s->memblockq); if (pa_memblockq_prebuf_active(s->memblockq) || (previous_missing < (int) minreq && previous_missing + (int) m >= (int) minreq)) pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(s), PLAYBACK_STREAM_MESSAGE_REQUEST_DATA, NULL, 0, NULL, NULL); } /* Called from main context */ static void playback_stream_send_killed(playback_stream *p) { pa_tagstruct *t; playback_stream_assert_ref(p); t = pa_tagstruct_new(NULL, 0); pa_tagstruct_putu32(t, PA_COMMAND_PLAYBACK_STREAM_KILLED); pa_tagstruct_putu32(t, (uint32_t) -1); /* tag */ pa_tagstruct_putu32(t, p->index); pa_pstream_send_tagstruct(p->connection->pstream, t); } /* Called from main context */ static int native_connection_process_msg(pa_msgobject *o, int code, void*userdata, int64_t offset, pa_memchunk *chunk) { pa_native_connection *c = PA_NATIVE_CONNECTION(o); pa_native_connection_assert_ref(c); if (!c->protocol) return -1; switch (code) { case CONNECTION_MESSAGE_REVOKE: pa_pstream_send_revoke(c->pstream, PA_PTR_TO_UINT(userdata)); break; case CONNECTION_MESSAGE_RELEASE: pa_pstream_send_release(c->pstream, PA_PTR_TO_UINT(userdata)); break; } return 0; } /* Called from main context */ static void native_connection_unlink(pa_native_connection *c) { record_stream *r; output_stream *o; pa_assert(c); if (!c->protocol) return; pa_hook_fire(&c->protocol->hooks[PA_NATIVE_HOOK_CONNECTION_UNLINK], c); if (c->options) pa_native_options_unref(c->options); while ((r = pa_idxset_first(c->record_streams, NULL))) record_stream_unlink(r); while ((o = pa_idxset_first(c->output_streams, NULL))) if (playback_stream_isinstance(o)) playback_stream_unlink(PLAYBACK_STREAM(o)); else upload_stream_unlink(UPLOAD_STREAM(o)); if (c->subscription) pa_subscription_free(c->subscription); if (c->pstream) pa_pstream_unlink(c->pstream); if (c->auth_timeout_event) { c->protocol->core->mainloop->time_free(c->auth_timeout_event); c->auth_timeout_event = NULL; } pa_assert_se(pa_idxset_remove_by_data(c->protocol->connections, c, NULL) == c); c->protocol = NULL; pa_native_connection_unref(c); } /* Called from main context */ static void native_connection_free(pa_object *o) { pa_native_connection *c = PA_NATIVE_CONNECTION(o); pa_assert(c); native_connection_unlink(c); pa_idxset_free(c->record_streams, NULL); pa_idxset_free(c->output_streams, NULL); pa_pdispatch_unref(c->pdispatch); pa_pstream_unref(c->pstream); pa_client_free(c->client); pa_xfree(c); } /* Called from main context */ static void native_connection_send_memblock(pa_native_connection *c) { uint32_t start; record_stream *r; start = PA_IDXSET_INVALID; for (;;) { pa_memchunk chunk; if (!(r = RECORD_STREAM(pa_idxset_rrobin(c->record_streams, &c->rrobin_index)))) return; if (start == PA_IDXSET_INVALID) start = c->rrobin_index; else if (start == c->rrobin_index) return; if (pa_memblockq_peek(r->memblockq, &chunk) >= 0) { pa_memchunk schunk = chunk; if (schunk.length > r->buffer_attr.fragsize) schunk.length = r->buffer_attr.fragsize; pa_pstream_send_memblock(c->pstream, r->index, 0, PA_SEEK_RELATIVE, &schunk); pa_memblockq_drop(r->memblockq, schunk.length); pa_memblock_unref(schunk.memblock); return; } } } /*** sink input callbacks ***/ /* Called from thread context */ static void handle_seek(playback_stream *s, int64_t indexw) { playback_stream_assert_ref(s); /* pa_log("handle_seek: %llu -- %i", (unsigned long long) s->sink_input->thread_info.underrun_for, pa_memblockq_is_readable(s->memblockq)); */ if (s->sink_input->thread_info.underrun_for > 0) { /* pa_log("%lu vs. %lu", (unsigned long) pa_memblockq_get_length(s->memblockq), (unsigned long) pa_memblockq_get_prebuf(s->memblockq)); */ if (pa_memblockq_is_readable(s->memblockq)) { /* We just ended an underrun, let's ask the sink * for a complete rewind rewrite */ pa_log_debug("Requesting rewind due to end of underrun."); pa_sink_input_request_rewind(s->sink_input, (size_t) (s->sink_input->thread_info.underrun_for == (uint64_t) -1 ? 0 : s->sink_input->thread_info.underrun_for), FALSE, TRUE, FALSE); } } else { int64_t indexr; indexr = pa_memblockq_get_read_index(s->memblockq); if (indexw < indexr) { /* OK, the sink already asked for this data, so * let's have it ask us again */ pa_log_debug("Requesting rewind due to rewrite."); pa_sink_input_request_rewind(s->sink_input, (size_t) (indexr - indexw), TRUE, FALSE, FALSE); } } playback_stream_request_bytes(s); } static void flush_write_no_account(pa_memblockq *q) { pa_memblockq_flush_write(q, FALSE); } /* Called from thread context */ static int sink_input_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offset, pa_memchunk *chunk) { pa_sink_input *i = PA_SINK_INPUT(o); playback_stream *s; pa_sink_input_assert_ref(i); s = PLAYBACK_STREAM(i->userdata); playback_stream_assert_ref(s); switch (code) { case SINK_INPUT_MESSAGE_SEEK: case SINK_INPUT_MESSAGE_POST_DATA: { int64_t windex = pa_memblockq_get_write_index(s->memblockq); if (code == SINK_INPUT_MESSAGE_SEEK) { /* The client side is incapable of accounting correctly * for seeks of a type != PA_SEEK_RELATIVE. We need to be * able to deal with that. */ pa_memblockq_seek(s->memblockq, offset, PA_PTR_TO_UINT(userdata), PA_PTR_TO_UINT(userdata) == PA_SEEK_RELATIVE); windex = PA_MIN(windex, pa_memblockq_get_write_index(s->memblockq)); } if (chunk && pa_memblockq_push_align(s->memblockq, chunk) < 0) { if (pa_log_ratelimit(PA_LOG_WARN)) pa_log_warn("Failed to push data into queue"); pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(s), PLAYBACK_STREAM_MESSAGE_OVERFLOW, NULL, 0, NULL, NULL); pa_memblockq_seek(s->memblockq, (int64_t) chunk->length, PA_SEEK_RELATIVE, TRUE); } /* If more data is in queue, we rewind later instead. */ if (s->seek_windex != -1) windex = PA_MIN(windex, s->seek_windex); if (pa_atomic_dec(&s->seek_or_post_in_queue) > 1) s->seek_windex = windex; else { s->seek_windex = -1; handle_seek(s, windex); } return 0; } case SINK_INPUT_MESSAGE_DRAIN: case SINK_INPUT_MESSAGE_FLUSH: case SINK_INPUT_MESSAGE_PREBUF_FORCE: case SINK_INPUT_MESSAGE_TRIGGER: { int64_t windex; pa_sink_input *isync; void (*func)(pa_memblockq *bq); switch (code) { case SINK_INPUT_MESSAGE_FLUSH: func = flush_write_no_account; break; case SINK_INPUT_MESSAGE_PREBUF_FORCE: func = pa_memblockq_prebuf_force; break; case SINK_INPUT_MESSAGE_DRAIN: case SINK_INPUT_MESSAGE_TRIGGER: func = pa_memblockq_prebuf_disable; break; default: pa_assert_not_reached(); } windex = pa_memblockq_get_write_index(s->memblockq); func(s->memblockq); handle_seek(s, windex); /* Do the same for all other members in the sync group */ for (isync = i->sync_prev; isync; isync = isync->sync_prev) { playback_stream *ssync = PLAYBACK_STREAM(isync->userdata); windex = pa_memblockq_get_write_index(ssync->memblockq); func(ssync->memblockq); handle_seek(ssync, windex); } for (isync = i->sync_next; isync; isync = isync->sync_next) { playback_stream *ssync = PLAYBACK_STREAM(isync->userdata); windex = pa_memblockq_get_write_index(ssync->memblockq); func(ssync->memblockq); handle_seek(ssync, windex); } if (code == SINK_INPUT_MESSAGE_DRAIN) { if (!pa_memblockq_is_readable(s->memblockq)) pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(s), PLAYBACK_STREAM_MESSAGE_DRAIN_ACK, userdata, 0, NULL, NULL); else { s->drain_tag = PA_PTR_TO_UINT(userdata); s->drain_request = TRUE; } } return 0; } case SINK_INPUT_MESSAGE_UPDATE_LATENCY: /* Atomically get a snapshot of all timing parameters... */ s->read_index = pa_memblockq_get_read_index(s->memblockq); s->write_index = pa_memblockq_get_write_index(s->memblockq); s->render_memblockq_length = pa_memblockq_get_length(s->sink_input->thread_info.render_memblockq); s->current_sink_latency = pa_sink_get_latency_within_thread(s->sink_input->sink); s->underrun_for = s->sink_input->thread_info.underrun_for; s->playing_for = s->sink_input->thread_info.playing_for; return 0; case PA_SINK_INPUT_MESSAGE_SET_STATE: { int64_t windex; windex = pa_memblockq_get_write_index(s->memblockq); pa_memblockq_prebuf_force(s->memblockq); handle_seek(s, windex); /* Fall through to the default handler */ break; } case PA_SINK_INPUT_MESSAGE_GET_LATENCY: { pa_usec_t *r = userdata; *r = pa_bytes_to_usec(pa_memblockq_get_length(s->memblockq), &i->sample_spec); /* Fall through, the default handler will add in the extra * latency added by the resampler */ break; } case SINK_INPUT_MESSAGE_UPDATE_BUFFER_ATTR: { pa_memblockq_apply_attr(s->memblockq, &s->buffer_attr); pa_memblockq_get_attr(s->memblockq, &s->buffer_attr); return 0; } } return pa_sink_input_process_msg(o, code, userdata, offset, chunk); } static bool handle_input_underrun(playback_stream *s, bool force) { bool send_drain; if (pa_memblockq_is_readable(s->memblockq)) return false; if (!s->is_underrun) pa_log_debug("%s %s of '%s'", force ? "Actual" : "Implicit", s->drain_request ? "drain" : "underrun", pa_strnull(pa_proplist_gets(s->sink_input->proplist, PA_PROP_MEDIA_NAME))); send_drain = s->drain_request && (force || pa_sink_input_safe_to_remove(s->sink_input)); if (send_drain) { s->drain_request = false; pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(s), PLAYBACK_STREAM_MESSAGE_DRAIN_ACK, PA_UINT_TO_PTR(s->drain_tag), 0, NULL, NULL); pa_log_debug("Drain acknowledged of '%s'", pa_strnull(pa_proplist_gets(s->sink_input->proplist, PA_PROP_MEDIA_NAME))); } else if (!s->is_underrun) { pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(s), PLAYBACK_STREAM_MESSAGE_UNDERFLOW, NULL, pa_memblockq_get_read_index(s->memblockq), NULL, NULL); } s->is_underrun = true; playback_stream_request_bytes(s); return true; } /* Called from thread context */ static bool sink_input_process_underrun_cb(pa_sink_input *i) { playback_stream *s; pa_sink_input_assert_ref(i); s = PLAYBACK_STREAM(i->userdata); playback_stream_assert_ref(s); return handle_input_underrun(s, true); } /* Called from thread context */ static int sink_input_pop_cb(pa_sink_input *i, size_t nbytes, pa_memchunk *chunk) { playback_stream *s; pa_sink_input_assert_ref(i); s = PLAYBACK_STREAM(i->userdata); playback_stream_assert_ref(s); pa_assert(chunk); #ifdef PROTOCOL_NATIVE_DEBUG pa_log("%s, pop(): %lu", pa_proplist_gets(i->proplist, PA_PROP_MEDIA_NAME), (unsigned long) pa_memblockq_get_length(s->memblockq)); #endif if (!handle_input_underrun(s, false)) s->is_underrun = false; /* This call will not fail with prebuf=0, hence we check for underrun explicitly in handle_input_underrun */ if (pa_memblockq_peek(s->memblockq, chunk) < 0) return -1; chunk->length = PA_MIN(nbytes, chunk->length); if (i->thread_info.underrun_for > 0) pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(s), PLAYBACK_STREAM_MESSAGE_STARTED, NULL, 0, NULL, NULL); pa_memblockq_drop(s->memblockq, chunk->length); playback_stream_request_bytes(s); return 0; } /* Called from thread context */ static void sink_input_process_rewind_cb(pa_sink_input *i, size_t nbytes) { playback_stream *s; pa_sink_input_assert_ref(i); s = PLAYBACK_STREAM(i->userdata); playback_stream_assert_ref(s); /* If we are in an underrun, then we don't rewind */ if (i->thread_info.underrun_for > 0) return; pa_memblockq_rewind(s->memblockq, nbytes); } /* Called from thread context */ static void sink_input_update_max_rewind_cb(pa_sink_input *i, size_t nbytes) { playback_stream *s; pa_sink_input_assert_ref(i); s = PLAYBACK_STREAM(i->userdata); playback_stream_assert_ref(s); pa_memblockq_set_maxrewind(s->memblockq, nbytes); } /* Called from thread context */ static void sink_input_update_max_request_cb(pa_sink_input *i, size_t nbytes) { playback_stream *s; size_t new_tlength, old_tlength; pa_sink_input_assert_ref(i); s = PLAYBACK_STREAM(i->userdata); playback_stream_assert_ref(s); old_tlength = pa_memblockq_get_tlength(s->memblockq); new_tlength = nbytes+2*pa_memblockq_get_minreq(s->memblockq); if (old_tlength < new_tlength) { pa_log_debug("max_request changed, trying to update from %zu to %zu.", old_tlength, new_tlength); pa_memblockq_set_tlength(s->memblockq, new_tlength); new_tlength = pa_memblockq_get_tlength(s->memblockq); if (new_tlength == old_tlength) pa_log_debug("Failed to increase tlength"); else { pa_log_debug("Notifying client about increased tlength"); pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(s), PLAYBACK_STREAM_MESSAGE_UPDATE_TLENGTH, NULL, pa_memblockq_get_tlength(s->memblockq), NULL, NULL); } } } /* Called from main context */ static void sink_input_kill_cb(pa_sink_input *i) { playback_stream *s; pa_sink_input_assert_ref(i); s = PLAYBACK_STREAM(i->userdata); playback_stream_assert_ref(s); playback_stream_send_killed(s); playback_stream_unlink(s); } /* Called from main context */ static void sink_input_send_event_cb(pa_sink_input *i, const char *event, pa_proplist *pl) { playback_stream *s; pa_tagstruct *t; pa_sink_input_assert_ref(i); s = PLAYBACK_STREAM(i->userdata); playback_stream_assert_ref(s); if (s->connection->version < 15) return; t = pa_tagstruct_new(NULL, 0); pa_tagstruct_putu32(t, PA_COMMAND_PLAYBACK_STREAM_EVENT); pa_tagstruct_putu32(t, (uint32_t) -1); /* tag */ pa_tagstruct_putu32(t, s->index); pa_tagstruct_puts(t, event); pa_tagstruct_put_proplist(t, pl); pa_pstream_send_tagstruct(s->connection->pstream, t); } /* Called from main context */ static void sink_input_suspend_cb(pa_sink_input *i, pa_bool_t suspend) { playback_stream *s; pa_tagstruct *t; pa_sink_input_assert_ref(i); s = PLAYBACK_STREAM(i->userdata); playback_stream_assert_ref(s); if (s->connection->version < 12) return; t = pa_tagstruct_new(NULL, 0); pa_tagstruct_putu32(t, PA_COMMAND_PLAYBACK_STREAM_SUSPENDED); pa_tagstruct_putu32(t, (uint32_t) -1); /* tag */ pa_tagstruct_putu32(t, s->index); pa_tagstruct_put_boolean(t, suspend); pa_pstream_send_tagstruct(s->connection->pstream, t); } /* Called from main context */ static void sink_input_moving_cb(pa_sink_input *i, pa_sink *dest) { playback_stream *s; pa_tagstruct *t; pa_sink_input_assert_ref(i); s = PLAYBACK_STREAM(i->userdata); playback_stream_assert_ref(s); if (!dest) return; fix_playback_buffer_attr(s); pa_memblockq_apply_attr(s->memblockq, &s->buffer_attr); pa_memblockq_get_attr(s->memblockq, &s->buffer_attr); if (s->connection->version < 12) return; t = pa_tagstruct_new(NULL, 0); pa_tagstruct_putu32(t, PA_COMMAND_PLAYBACK_STREAM_MOVED); pa_tagstruct_putu32(t, (uint32_t) -1); /* tag */ pa_tagstruct_putu32(t, s->index); pa_tagstruct_putu32(t, dest->index); pa_tagstruct_puts(t, dest->name); pa_tagstruct_put_boolean(t, pa_sink_get_state(dest) == PA_SINK_SUSPENDED); if (s->connection->version >= 13) { pa_tagstruct_putu32(t, s->buffer_attr.maxlength); pa_tagstruct_putu32(t, s->buffer_attr.tlength); pa_tagstruct_putu32(t, s->buffer_attr.prebuf); pa_tagstruct_putu32(t, s->buffer_attr.minreq); pa_tagstruct_put_usec(t, s->configured_sink_latency); } pa_pstream_send_tagstruct(s->connection->pstream, t); } /*** source_output callbacks ***/ /* Called from thread context */ static int source_output_process_msg(pa_msgobject *_o, int code, void *userdata, int64_t offset, pa_memchunk *chunk) { pa_source_output *o = PA_SOURCE_OUTPUT(_o); record_stream *s; pa_source_output_assert_ref(o); s = RECORD_STREAM(o->userdata); record_stream_assert_ref(s); switch (code) { case SOURCE_OUTPUT_MESSAGE_UPDATE_LATENCY: /* Atomically get a snapshot of all timing parameters... */ s->current_monitor_latency = o->source->monitor_of ? pa_sink_get_latency_within_thread(o->source->monitor_of) : 0; s->current_source_latency = pa_source_get_latency_within_thread(o->source); s->on_the_fly_snapshot = pa_atomic_load(&s->on_the_fly); return 0; } return pa_source_output_process_msg(_o, code, userdata, offset, chunk); } /* Called from thread context */ static void source_output_push_cb(pa_source_output *o, const pa_memchunk *chunk) { record_stream *s; pa_source_output_assert_ref(o); s = RECORD_STREAM(o->userdata); record_stream_assert_ref(s); pa_assert(chunk); pa_atomic_add(&s->on_the_fly, chunk->length); pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(s), RECORD_STREAM_MESSAGE_POST_DATA, NULL, 0, chunk, NULL); } static void source_output_kill_cb(pa_source_output *o) { record_stream *s; pa_source_output_assert_ref(o); s = RECORD_STREAM(o->userdata); record_stream_assert_ref(s); record_stream_send_killed(s); record_stream_unlink(s); } static pa_usec_t source_output_get_latency_cb(pa_source_output *o) { record_stream *s; pa_source_output_assert_ref(o); s = RECORD_STREAM(o->userdata); record_stream_assert_ref(s); /*pa_log("get_latency: %u", pa_memblockq_get_length(s->memblockq));*/ return pa_bytes_to_usec(pa_memblockq_get_length(s->memblockq), &o->sample_spec); } /* Called from main context */ static void source_output_send_event_cb(pa_source_output *o, const char *event, pa_proplist *pl) { record_stream *s; pa_tagstruct *t; pa_source_output_assert_ref(o); s = RECORD_STREAM(o->userdata); record_stream_assert_ref(s); if (s->connection->version < 15) return; t = pa_tagstruct_new(NULL, 0); pa_tagstruct_putu32(t, PA_COMMAND_RECORD_STREAM_EVENT); pa_tagstruct_putu32(t, (uint32_t) -1); /* tag */ pa_tagstruct_putu32(t, s->index); pa_tagstruct_puts(t, event); pa_tagstruct_put_proplist(t, pl); pa_pstream_send_tagstruct(s->connection->pstream, t); } /* Called from main context */ static void source_output_suspend_cb(pa_source_output *o, pa_bool_t suspend) { record_stream *s; pa_tagstruct *t; pa_source_output_assert_ref(o); s = RECORD_STREAM(o->userdata); record_stream_assert_ref(s); if (s->connection->version < 12) return; t = pa_tagstruct_new(NULL, 0); pa_tagstruct_putu32(t, PA_COMMAND_RECORD_STREAM_SUSPENDED); pa_tagstruct_putu32(t, (uint32_t) -1); /* tag */ pa_tagstruct_putu32(t, s->index); pa_tagstruct_put_boolean(t, suspend); pa_pstream_send_tagstruct(s->connection->pstream, t); } /* Called from main context */ static void source_output_moving_cb(pa_source_output *o, pa_source *dest) { record_stream *s; pa_tagstruct *t; pa_source_output_assert_ref(o); s = RECORD_STREAM(o->userdata); record_stream_assert_ref(s); if (!dest) return; fix_record_buffer_attr_pre(s); pa_memblockq_set_maxlength(s->memblockq, s->buffer_attr.maxlength); pa_memblockq_get_attr(s->memblockq, &s->buffer_attr); fix_record_buffer_attr_post(s); if (s->connection->version < 12) return; t = pa_tagstruct_new(NULL, 0); pa_tagstruct_putu32(t, PA_COMMAND_RECORD_STREAM_MOVED); pa_tagstruct_putu32(t, (uint32_t) -1); /* tag */ pa_tagstruct_putu32(t, s->index); pa_tagstruct_putu32(t, dest->index); pa_tagstruct_puts(t, dest->name); pa_tagstruct_put_boolean(t, pa_source_get_state(dest) == PA_SOURCE_SUSPENDED); if (s->connection->version >= 13) { pa_tagstruct_putu32(t, s->buffer_attr.maxlength); pa_tagstruct_putu32(t, s->buffer_attr.fragsize); pa_tagstruct_put_usec(t, s->configured_source_latency); } pa_pstream_send_tagstruct(s->connection->pstream, t); } /*** pdispatch callbacks ***/ static void protocol_error(pa_native_connection *c) { pa_log("protocol error, kicking client"); native_connection_unlink(c); } #define CHECK_VALIDITY(pstream, expression, tag, error) do { \ if (!(expression)) { \ pa_pstream_send_error((pstream), (tag), (error)); \ return; \ } \ } while(0); #define CHECK_VALIDITY_GOTO(pstream, expression, tag, error, label) do { \ if (!(expression)) { \ pa_pstream_send_error((pstream), (tag), (error)); \ goto label; \ } \ } while(0); static pa_tagstruct *reply_new(uint32_t tag) { pa_tagstruct *reply; reply = pa_tagstruct_new(NULL, 0); pa_tagstruct_putu32(reply, PA_COMMAND_REPLY); pa_tagstruct_putu32(reply, tag); return reply; } static void command_create_playback_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { pa_native_connection *c = PA_NATIVE_CONNECTION(userdata); playback_stream *s; uint32_t sink_index, syncid, missing = 0; pa_buffer_attr attr; const char *name = NULL, *sink_name; pa_sample_spec ss; pa_channel_map map; pa_tagstruct *reply; pa_sink *sink = NULL; pa_cvolume volume; pa_bool_t corked = FALSE, no_remap = FALSE, no_remix = FALSE, fix_format = FALSE, fix_rate = FALSE, fix_channels = FALSE, no_move = FALSE, variable_rate = FALSE, muted = FALSE, adjust_latency = FALSE, early_requests = FALSE, dont_inhibit_auto_suspend = FALSE, volume_set = TRUE, muted_set = FALSE, fail_on_suspend = FALSE, relative_volume = FALSE, passthrough = FALSE; pa_sink_input_flags_t flags = 0; pa_proplist *p = NULL; int ret = PA_ERR_INVALID; uint8_t n_formats = 0; pa_format_info *format; pa_idxset *formats = NULL; uint32_t i; pa_native_connection_assert_ref(c); pa_assert(t); memset(&attr, 0, sizeof(attr)); if ((c->version < 13 && (pa_tagstruct_gets(t, &name) < 0 || !name)) || pa_tagstruct_get( t, PA_TAG_SAMPLE_SPEC, &ss, PA_TAG_CHANNEL_MAP, &map, PA_TAG_U32, &sink_index, PA_TAG_STRING, &sink_name, PA_TAG_U32, &attr.maxlength, PA_TAG_BOOLEAN, &corked, PA_TAG_U32, &attr.tlength, PA_TAG_U32, &attr.prebuf, PA_TAG_U32, &attr.minreq, PA_TAG_U32, &syncid, PA_TAG_CVOLUME, &volume, PA_TAG_INVALID) < 0) { protocol_error(c); goto finish; } CHECK_VALIDITY_GOTO(c->pstream, c->authorized, tag, PA_ERR_ACCESS, finish); CHECK_VALIDITY_GOTO(c->pstream, !sink_name || pa_namereg_is_valid_name_or_wildcard(sink_name, PA_NAMEREG_SINK), tag, PA_ERR_INVALID, finish); CHECK_VALIDITY_GOTO(c->pstream, sink_index == PA_INVALID_INDEX || !sink_name, tag, PA_ERR_INVALID, finish); CHECK_VALIDITY_GOTO(c->pstream, !sink_name || sink_index == PA_INVALID_INDEX, tag, PA_ERR_INVALID, finish); CHECK_VALIDITY_GOTO(c->pstream, pa_cvolume_valid(&volume), tag, PA_ERR_INVALID, finish); p = pa_proplist_new(); if (name) pa_proplist_sets(p, PA_PROP_MEDIA_NAME, name); if (c->version >= 12) { /* Since 0.9.8 the user can ask for a couple of additional flags */ if (pa_tagstruct_get_boolean(t, &no_remap) < 0 || pa_tagstruct_get_boolean(t, &no_remix) < 0 || pa_tagstruct_get_boolean(t, &fix_format) < 0 || pa_tagstruct_get_boolean(t, &fix_rate) < 0 || pa_tagstruct_get_boolean(t, &fix_channels) < 0 || pa_tagstruct_get_boolean(t, &no_move) < 0 || pa_tagstruct_get_boolean(t, &variable_rate) < 0) { protocol_error(c); goto finish; } } if (c->version >= 13) { if (pa_tagstruct_get_boolean(t, &muted) < 0 || pa_tagstruct_get_boolean(t, &adjust_latency) < 0 || pa_tagstruct_get_proplist(t, p) < 0) { protocol_error(c); goto finish; } } if (c->version >= 14) { if (pa_tagstruct_get_boolean(t, &volume_set) < 0 || pa_tagstruct_get_boolean(t, &early_requests) < 0) { protocol_error(c); goto finish; } } if (c->version >= 15) { if (pa_tagstruct_get_boolean(t, &muted_set) < 0 || pa_tagstruct_get_boolean(t, &dont_inhibit_auto_suspend) < 0 || pa_tagstruct_get_boolean(t, &fail_on_suspend) < 0) { protocol_error(c); goto finish; } } if (c->version >= 17) { if (pa_tagstruct_get_boolean(t, &relative_volume) < 0) { protocol_error(c); goto finish; } } if (c->version >= 18) { if (pa_tagstruct_get_boolean(t, &passthrough) < 0 ) { protocol_error(c); goto finish; } } if (c->version >= 21) { if (pa_tagstruct_getu8(t, &n_formats) < 0) { protocol_error(c); goto finish; } if (n_formats) formats = pa_idxset_new(NULL, NULL); for (i = 0; i < n_formats; i++) { format = pa_format_info_new(); if (pa_tagstruct_get_format_info(t, format) < 0) { protocol_error(c); goto finish; } pa_idxset_put(formats, format, NULL); } } if (n_formats == 0) { CHECK_VALIDITY_GOTO(c->pstream, pa_sample_spec_valid(&ss), tag, PA_ERR_INVALID, finish); CHECK_VALIDITY_GOTO(c->pstream, map.channels == ss.channels && volume.channels == ss.channels, tag, PA_ERR_INVALID, finish); CHECK_VALIDITY_GOTO(c->pstream, pa_channel_map_valid(&map), tag, PA_ERR_INVALID, finish); } else { PA_IDXSET_FOREACH(format, formats, i) { CHECK_VALIDITY_GOTO(c->pstream, pa_format_info_valid(format), tag, PA_ERR_INVALID, finish); } } if (!pa_tagstruct_eof(t)) { protocol_error(c); goto finish; } if (sink_index != PA_INVALID_INDEX) { if (!(sink = pa_idxset_get_by_index(c->protocol->core->sinks, sink_index))) { pa_pstream_send_error(c->pstream, tag, PA_ERR_NOENTITY); goto finish; } } else if (sink_name) { if (!(sink = pa_namereg_get(c->protocol->core, sink_name, PA_NAMEREG_SINK))) { pa_pstream_send_error(c->pstream, tag, PA_ERR_NOENTITY); goto finish; } } flags = (corked ? PA_SINK_INPUT_START_CORKED : 0) | (no_remap ? PA_SINK_INPUT_NO_REMAP : 0) | (no_remix ? PA_SINK_INPUT_NO_REMIX : 0) | (fix_format ? PA_SINK_INPUT_FIX_FORMAT : 0) | (fix_rate ? PA_SINK_INPUT_FIX_RATE : 0) | (fix_channels ? PA_SINK_INPUT_FIX_CHANNELS : 0) | (no_move ? PA_SINK_INPUT_DONT_MOVE : 0) | (variable_rate ? PA_SINK_INPUT_VARIABLE_RATE : 0) | (dont_inhibit_auto_suspend ? PA_SINK_INPUT_DONT_INHIBIT_AUTO_SUSPEND : 0) | (fail_on_suspend ? PA_SINK_INPUT_NO_CREATE_ON_SUSPEND|PA_SINK_INPUT_KILL_ON_SUSPEND : 0) | (passthrough ? PA_SINK_INPUT_PASSTHROUGH : 0); /* Only since protocol version 15 there's a separate muted_set * flag. For older versions we synthesize it here */ muted_set = muted_set || muted; s = playback_stream_new(c, sink, &ss, &map, formats, &attr, volume_set ? &volume : NULL, muted, muted_set, flags, p, adjust_latency, early_requests, relative_volume, syncid, &missing, &ret); /* We no longer own the formats idxset */ formats = NULL; CHECK_VALIDITY_GOTO(c->pstream, s, tag, ret, finish); reply = reply_new(tag); pa_tagstruct_putu32(reply, s->index); pa_assert(s->sink_input); pa_tagstruct_putu32(reply, s->sink_input->index); pa_tagstruct_putu32(reply, missing); #ifdef PROTOCOL_NATIVE_DEBUG pa_log("initial request is %u", missing); #endif if (c->version >= 9) { /* Since 0.9.0 we support sending the buffer metrics back to the client */ pa_tagstruct_putu32(reply, (uint32_t) s->buffer_attr.maxlength); pa_tagstruct_putu32(reply, (uint32_t) s->buffer_attr.tlength); pa_tagstruct_putu32(reply, (uint32_t) s->buffer_attr.prebuf); pa_tagstruct_putu32(reply, (uint32_t) s->buffer_attr.minreq); } if (c->version >= 12) { /* Since 0.9.8 we support sending the chosen sample * spec/channel map/device/suspend status back to the * client */ pa_tagstruct_put_sample_spec(reply, &ss); pa_tagstruct_put_channel_map(reply, &map); pa_tagstruct_putu32(reply, s->sink_input->sink->index); pa_tagstruct_puts(reply, s->sink_input->sink->name); pa_tagstruct_put_boolean(reply, pa_sink_get_state(s->sink_input->sink) == PA_SINK_SUSPENDED); } if (c->version >= 13) pa_tagstruct_put_usec(reply, s->configured_sink_latency); if (c->version >= 21) { /* Send back the format we negotiated */ if (s->sink_input->format) pa_tagstruct_put_format_info(reply, s->sink_input->format); else { pa_format_info *f = pa_format_info_new(); pa_tagstruct_put_format_info(reply, f); pa_format_info_free(f); } } pa_pstream_send_tagstruct(c->pstream, reply); finish: if (p) pa_proplist_free(p); if (formats) pa_idxset_free(formats, (pa_free_cb_t) pa_format_info_free); } static void command_delete_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { pa_native_connection *c = PA_NATIVE_CONNECTION(userdata); uint32_t channel; pa_native_connection_assert_ref(c); pa_assert(t); if (pa_tagstruct_getu32(t, &channel) < 0 || !pa_tagstruct_eof(t)) { protocol_error(c); return; } CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS); switch (command) { case PA_COMMAND_DELETE_PLAYBACK_STREAM: { playback_stream *s; if (!(s = pa_idxset_get_by_index(c->output_streams, channel)) || !playback_stream_isinstance(s)) { pa_pstream_send_error(c->pstream, tag, PA_ERR_EXIST); return; } playback_stream_unlink(s); break; } case PA_COMMAND_DELETE_RECORD_STREAM: { record_stream *s; if (!(s = pa_idxset_get_by_index(c->record_streams, channel))) { pa_pstream_send_error(c->pstream, tag, PA_ERR_EXIST); return; } record_stream_unlink(s); break; } case PA_COMMAND_DELETE_UPLOAD_STREAM: { upload_stream *s; if (!(s = pa_idxset_get_by_index(c->output_streams, channel)) || !upload_stream_isinstance(s)) { pa_pstream_send_error(c->pstream, tag, PA_ERR_EXIST); return; } upload_stream_unlink(s); break; } default: pa_assert_not_reached(); } pa_pstream_send_simple_ack(c->pstream, tag); } static void command_create_record_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { pa_native_connection *c = PA_NATIVE_CONNECTION(userdata); record_stream *s; pa_buffer_attr attr; uint32_t source_index; const char *name = NULL, *source_name; pa_sample_spec ss; pa_channel_map map; pa_tagstruct *reply; pa_source *source = NULL; pa_cvolume volume; pa_bool_t corked = FALSE, no_remap = FALSE, no_remix = FALSE, fix_format = FALSE, fix_rate = FALSE, fix_channels = FALSE, no_move = FALSE, variable_rate = FALSE, muted = FALSE, adjust_latency = FALSE, peak_detect = FALSE, early_requests = FALSE, dont_inhibit_auto_suspend = FALSE, volume_set = FALSE, muted_set = FALSE, fail_on_suspend = FALSE, relative_volume = FALSE, passthrough = FALSE; pa_source_output_flags_t flags = 0; pa_proplist *p = NULL; uint32_t direct_on_input_idx = PA_INVALID_INDEX; pa_sink_input *direct_on_input = NULL; int ret = PA_ERR_INVALID; uint8_t n_formats = 0; pa_format_info *format; pa_idxset *formats = NULL; uint32_t i; pa_native_connection_assert_ref(c); pa_assert(t); memset(&attr, 0, sizeof(attr)); if ((c->version < 13 && (pa_tagstruct_gets(t, &name) < 0 || !name)) || pa_tagstruct_get_sample_spec(t, &ss) < 0 || pa_tagstruct_get_channel_map(t, &map) < 0 || pa_tagstruct_getu32(t, &source_index) < 0 || pa_tagstruct_gets(t, &source_name) < 0 || pa_tagstruct_getu32(t, &attr.maxlength) < 0 || pa_tagstruct_get_boolean(t, &corked) < 0 || pa_tagstruct_getu32(t, &attr.fragsize) < 0) { protocol_error(c); goto finish; } CHECK_VALIDITY_GOTO(c->pstream, c->authorized, tag, PA_ERR_ACCESS, finish); CHECK_VALIDITY_GOTO(c->pstream, !source_name || pa_namereg_is_valid_name_or_wildcard(source_name, PA_NAMEREG_SOURCE), tag, PA_ERR_INVALID, finish); CHECK_VALIDITY_GOTO(c->pstream, source_index == PA_INVALID_INDEX || !source_name, tag, PA_ERR_INVALID, finish); CHECK_VALIDITY_GOTO(c->pstream, !source_name || source_index == PA_INVALID_INDEX, tag, PA_ERR_INVALID, finish); p = pa_proplist_new(); if (name) pa_proplist_sets(p, PA_PROP_MEDIA_NAME, name); if (c->version >= 12) { /* Since 0.9.8 the user can ask for a couple of additional flags */ if (pa_tagstruct_get_boolean(t, &no_remap) < 0 || pa_tagstruct_get_boolean(t, &no_remix) < 0 || pa_tagstruct_get_boolean(t, &fix_format) < 0 || pa_tagstruct_get_boolean(t, &fix_rate) < 0 || pa_tagstruct_get_boolean(t, &fix_channels) < 0 || pa_tagstruct_get_boolean(t, &no_move) < 0 || pa_tagstruct_get_boolean(t, &variable_rate) < 0) { protocol_error(c); goto finish; } } if (c->version >= 13) { if (pa_tagstruct_get_boolean(t, &peak_detect) < 0 || pa_tagstruct_get_boolean(t, &adjust_latency) < 0 || pa_tagstruct_get_proplist(t, p) < 0 || pa_tagstruct_getu32(t, &direct_on_input_idx) < 0) { protocol_error(c); goto finish; } } if (c->version >= 14) { if (pa_tagstruct_get_boolean(t, &early_requests) < 0) { protocol_error(c); goto finish; } } if (c->version >= 15) { if (pa_tagstruct_get_boolean(t, &dont_inhibit_auto_suspend) < 0 || pa_tagstruct_get_boolean(t, &fail_on_suspend) < 0) { protocol_error(c); goto finish; } } if (c->version >= 22) { /* For newer client versions (with per-source-output volumes), we try * to make the behaviour for playback and record streams the same. */ volume_set = TRUE; if (pa_tagstruct_getu8(t, &n_formats) < 0) { protocol_error(c); goto finish; } if (n_formats) formats = pa_idxset_new(NULL, NULL); for (i = 0; i < n_formats; i++) { format = pa_format_info_new(); if (pa_tagstruct_get_format_info(t, format) < 0) { protocol_error(c); goto finish; } pa_idxset_put(formats, format, NULL); } if (pa_tagstruct_get_cvolume(t, &volume) < 0 || pa_tagstruct_get_boolean(t, &muted) < 0 || pa_tagstruct_get_boolean(t, &volume_set) < 0 || pa_tagstruct_get_boolean(t, &muted_set) < 0 || pa_tagstruct_get_boolean(t, &relative_volume) < 0 || pa_tagstruct_get_boolean(t, &passthrough) < 0) { protocol_error(c); goto finish; } CHECK_VALIDITY_GOTO(c->pstream, pa_cvolume_valid(&volume), tag, PA_ERR_INVALID, finish); } if (n_formats == 0) { CHECK_VALIDITY_GOTO(c->pstream, pa_sample_spec_valid(&ss), tag, PA_ERR_INVALID, finish); CHECK_VALIDITY_GOTO(c->pstream, map.channels == ss.channels, tag, PA_ERR_INVALID, finish); CHECK_VALIDITY_GOTO(c->pstream, c->version < 22 || (volume.channels == ss.channels), tag, PA_ERR_INVALID, finish); CHECK_VALIDITY_GOTO(c->pstream, pa_channel_map_valid(&map), tag, PA_ERR_INVALID, finish); } else { PA_IDXSET_FOREACH(format, formats, i) { CHECK_VALIDITY_GOTO(c->pstream, pa_format_info_valid(format), tag, PA_ERR_INVALID, finish); } } if (!pa_tagstruct_eof(t)) { protocol_error(c); goto finish; } if (source_index != PA_INVALID_INDEX) { if (!(source = pa_idxset_get_by_index(c->protocol->core->sources, source_index))) { pa_pstream_send_error(c->pstream, tag, PA_ERR_NOENTITY); goto finish; } } else if (source_name) { if (!(source = pa_namereg_get(c->protocol->core, source_name, PA_NAMEREG_SOURCE))) { pa_pstream_send_error(c->pstream, tag, PA_ERR_NOENTITY); goto finish; } } if (direct_on_input_idx != PA_INVALID_INDEX) { if (!(direct_on_input = pa_idxset_get_by_index(c->protocol->core->sink_inputs, direct_on_input_idx))) { pa_pstream_send_error(c->pstream, tag, PA_ERR_NOENTITY); goto finish; } } flags = (corked ? PA_SOURCE_OUTPUT_START_CORKED : 0) | (no_remap ? PA_SOURCE_OUTPUT_NO_REMAP : 0) | (no_remix ? PA_SOURCE_OUTPUT_NO_REMIX : 0) | (fix_format ? PA_SOURCE_OUTPUT_FIX_FORMAT : 0) | (fix_rate ? PA_SOURCE_OUTPUT_FIX_RATE : 0) | (fix_channels ? PA_SOURCE_OUTPUT_FIX_CHANNELS : 0) | (no_move ? PA_SOURCE_OUTPUT_DONT_MOVE : 0) | (variable_rate ? PA_SOURCE_OUTPUT_VARIABLE_RATE : 0) | (dont_inhibit_auto_suspend ? PA_SOURCE_OUTPUT_DONT_INHIBIT_AUTO_SUSPEND : 0) | (fail_on_suspend ? PA_SOURCE_OUTPUT_NO_CREATE_ON_SUSPEND|PA_SOURCE_OUTPUT_KILL_ON_SUSPEND : 0) | (passthrough ? PA_SOURCE_OUTPUT_PASSTHROUGH : 0); s = record_stream_new(c, source, &ss, &map, formats, &attr, volume_set ? &volume : NULL, muted, muted_set, flags, p, adjust_latency, early_requests, relative_volume, peak_detect, direct_on_input, &ret); CHECK_VALIDITY_GOTO(c->pstream, s, tag, ret, finish); reply = reply_new(tag); pa_tagstruct_putu32(reply, s->index); pa_assert(s->source_output); pa_tagstruct_putu32(reply, s->source_output->index); if (c->version >= 9) { /* Since 0.9 we support sending the buffer metrics back to the client */ pa_tagstruct_putu32(reply, (uint32_t) s->buffer_attr.maxlength); pa_tagstruct_putu32(reply, (uint32_t) s->buffer_attr.fragsize); } if (c->version >= 12) { /* Since 0.9.8 we support sending the chosen sample * spec/channel map/device/suspend status back to the * client */ pa_tagstruct_put_sample_spec(reply, &ss); pa_tagstruct_put_channel_map(reply, &map); pa_tagstruct_putu32(reply, s->source_output->source->index); pa_tagstruct_puts(reply, s->source_output->source->name); pa_tagstruct_put_boolean(reply, pa_source_get_state(s->source_output->source) == PA_SOURCE_SUSPENDED); } if (c->version >= 13) pa_tagstruct_put_usec(reply, s->configured_source_latency); if (c->version >= 22) { /* Send back the format we negotiated */ if (s->source_output->format) pa_tagstruct_put_format_info(reply, s->source_output->format); else { pa_format_info *f = pa_format_info_new(); pa_tagstruct_put_format_info(reply, f); pa_format_info_free(f); } } pa_pstream_send_tagstruct(c->pstream, reply); finish: if (p) pa_proplist_free(p); if (formats) pa_idxset_free(formats, (pa_free_cb_t) pa_format_info_free); } static void command_exit(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { pa_native_connection *c = PA_NATIVE_CONNECTION(userdata); int ret; pa_native_connection_assert_ref(c); pa_assert(t); if (!pa_tagstruct_eof(t)) { protocol_error(c); return; } CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS); ret = pa_core_exit(c->protocol->core, FALSE, 0); CHECK_VALIDITY(c->pstream, ret >= 0, tag, PA_ERR_ACCESS); pa_log_debug("Client %s asks us to terminate.", pa_strnull(pa_proplist_gets(c->client->proplist, PA_PROP_APPLICATION_PROCESS_BINARY))); pa_pstream_send_simple_ack(c->pstream, tag); /* nonsense */ } static void command_auth(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { pa_native_connection *c = PA_NATIVE_CONNECTION(userdata); const void*cookie; pa_tagstruct *reply; pa_bool_t shm_on_remote = FALSE, do_shm; pa_native_connection_assert_ref(c); pa_assert(t); if (pa_tagstruct_getu32(t, &c->version) < 0 || pa_tagstruct_get_arbitrary(t, &cookie, PA_NATIVE_COOKIE_LENGTH) < 0 || !pa_tagstruct_eof(t)) { protocol_error(c); return; } /* Minimum supported version */ if (c->version < 8) { pa_pstream_send_error(c->pstream, tag, PA_ERR_VERSION); return; } /* Starting with protocol version 13 the MSB of the version tag reflects if shm is available for this pa_native_connection or not. */ if (c->version >= 13) { shm_on_remote = !!(c->version & 0x80000000U); c->version &= 0x7FFFFFFFU; } pa_log_debug("Protocol version: remote %u, local %u", c->version, PA_PROTOCOL_VERSION); pa_proplist_setf(c->client->proplist, "native-protocol.version", "%u", c->version); if (!c->authorized) { pa_bool_t success = FALSE; #ifdef HAVE_CREDS const pa_creds *creds; if ((creds = pa_pdispatch_creds(pd))) { if (creds->uid == getuid()) success = TRUE; else if (c->options->auth_group) { int r; gid_t gid; if ((gid = pa_get_gid_of_group(c->options->auth_group)) == (gid_t) -1) pa_log_warn("Failed to get GID of group '%s'", c->options->auth_group); else if (gid == creds->gid) success = TRUE; if (!success) { if ((r = pa_uid_in_group(creds->uid, c->options->auth_group)) < 0) pa_log_warn("Failed to check group membership."); else if (r > 0) success = TRUE; } } pa_log_info("Got credentials: uid=%lu gid=%lu success=%i", (unsigned long) creds->uid, (unsigned long) creds->gid, (int) success); } #endif if (!success && c->options->auth_cookie) { const uint8_t *ac; if ((ac = pa_auth_cookie_read(c->options->auth_cookie, PA_NATIVE_COOKIE_LENGTH))) if (memcmp(ac, cookie, PA_NATIVE_COOKIE_LENGTH) == 0) success = TRUE; } if (!success) { pa_log_warn("Denied access to client with invalid authorization data."); pa_pstream_send_error(c->pstream, tag, PA_ERR_ACCESS); return; } c->authorized = TRUE; if (c->auth_timeout_event) { c->protocol->core->mainloop->time_free(c->auth_timeout_event); c->auth_timeout_event = NULL; } } /* Enable shared memory support if possible */ do_shm = pa_mempool_is_shared(c->protocol->core->mempool) && c->is_local; pa_log_debug("SHM possible: %s", pa_yes_no(do_shm)); if (do_shm) if (c->version < 10 || (c->version >= 13 && !shm_on_remote)) do_shm = FALSE; #ifdef HAVE_CREDS if (do_shm) { /* Only enable SHM if both sides are owned by the same * user. This is a security measure because otherwise data * private to the user might leak. */ const pa_creds *creds; if (!(creds = pa_pdispatch_creds(pd)) || getuid() != creds->uid) do_shm = FALSE; } #endif pa_log_debug("Negotiated SHM: %s", pa_yes_no(do_shm)); pa_pstream_enable_shm(c->pstream, do_shm); reply = reply_new(tag); pa_tagstruct_putu32(reply, PA_PROTOCOL_VERSION | (do_shm ? 0x80000000 : 0)); #ifdef HAVE_CREDS { /* SHM support is only enabled after both sides made sure they are the same user. */ pa_creds ucred; ucred.uid = getuid(); ucred.gid = getgid(); pa_pstream_send_tagstruct_with_creds(c->pstream, reply, &ucred); } #else pa_pstream_send_tagstruct(c->pstream, reply); #endif } static void command_set_client_name(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { pa_native_connection *c = PA_NATIVE_CONNECTION(userdata); const char *name = NULL; pa_proplist *p; pa_tagstruct *reply; pa_native_connection_assert_ref(c); pa_assert(t); p = pa_proplist_new(); if ((c->version < 13 && pa_tagstruct_gets(t, &name) < 0) || (c->version >= 13 && pa_tagstruct_get_proplist(t, p) < 0) || !pa_tagstruct_eof(t)) { protocol_error(c); pa_proplist_free(p); return; } if (name) if (pa_proplist_sets(p, PA_PROP_APPLICATION_NAME, name) < 0) { pa_pstream_send_error(c->pstream, tag, PA_ERR_INVALID); pa_proplist_free(p); return; } pa_client_update_proplist(c->client, PA_UPDATE_REPLACE, p); pa_proplist_free(p); reply = reply_new(tag); if (c->version >= 13) pa_tagstruct_putu32(reply, c->client->index); pa_pstream_send_tagstruct(c->pstream, reply); } static void command_lookup(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { pa_native_connection *c = PA_NATIVE_CONNECTION(userdata); const char *name; uint32_t idx = PA_IDXSET_INVALID; pa_native_connection_assert_ref(c); pa_assert(t); if (pa_tagstruct_gets(t, &name) < 0 || !pa_tagstruct_eof(t)) { protocol_error(c); return; } CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS); CHECK_VALIDITY(c->pstream, name && pa_namereg_is_valid_name_or_wildcard(name, command == PA_COMMAND_LOOKUP_SINK ? PA_NAMEREG_SINK : PA_NAMEREG_SOURCE), tag, PA_ERR_INVALID); if (command == PA_COMMAND_LOOKUP_SINK) { pa_sink *sink; if ((sink = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_SINK))) idx = sink->index; } else { pa_source *source; pa_assert(command == PA_COMMAND_LOOKUP_SOURCE); if ((source = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_SOURCE))) idx = source->index; } if (idx == PA_IDXSET_INVALID) pa_pstream_send_error(c->pstream, tag, PA_ERR_NOENTITY); else { pa_tagstruct *reply; reply = reply_new(tag); pa_tagstruct_putu32(reply, idx); pa_pstream_send_tagstruct(c->pstream, reply); } } static void command_drain_playback_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { pa_native_connection *c = PA_NATIVE_CONNECTION(userdata); uint32_t idx; playback_stream *s; pa_native_connection_assert_ref(c); pa_assert(t); if (pa_tagstruct_getu32(t, &idx) < 0 || !pa_tagstruct_eof(t)) { protocol_error(c); return; } CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS); s = pa_idxset_get_by_index(c->output_streams, idx); CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY); CHECK_VALIDITY(c->pstream, playback_stream_isinstance(s), tag, PA_ERR_NOENTITY); pa_asyncmsgq_post(s->sink_input->sink->asyncmsgq, PA_MSGOBJECT(s->sink_input), SINK_INPUT_MESSAGE_DRAIN, PA_UINT_TO_PTR(tag), 0, NULL, NULL); } static void command_stat(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { pa_native_connection *c = PA_NATIVE_CONNECTION(userdata); pa_tagstruct *reply; const pa_mempool_stat *stat; pa_native_connection_assert_ref(c); pa_assert(t); if (!pa_tagstruct_eof(t)) { protocol_error(c); return; } CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS); stat = pa_mempool_get_stat(c->protocol->core->mempool); reply = reply_new(tag); pa_tagstruct_putu32(reply, (uint32_t) pa_atomic_load(&stat->n_allocated)); pa_tagstruct_putu32(reply, (uint32_t) pa_atomic_load(&stat->allocated_size)); pa_tagstruct_putu32(reply, (uint32_t) pa_atomic_load(&stat->n_accumulated)); pa_tagstruct_putu32(reply, (uint32_t) pa_atomic_load(&stat->accumulated_size)); pa_tagstruct_putu32(reply, (uint32_t) pa_scache_total_size(c->protocol->core)); pa_pstream_send_tagstruct(c->pstream, reply); } static void command_get_playback_latency(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { pa_native_connection *c = PA_NATIVE_CONNECTION(userdata); pa_tagstruct *reply; playback_stream *s; struct timeval tv, now; uint32_t idx; pa_native_connection_assert_ref(c); pa_assert(t); if (pa_tagstruct_getu32(t, &idx) < 0 || pa_tagstruct_get_timeval(t, &tv) < 0 || !pa_tagstruct_eof(t)) { protocol_error(c); return; } CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS); s = pa_idxset_get_by_index(c->output_streams, idx); CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY); CHECK_VALIDITY(c->pstream, playback_stream_isinstance(s), tag, PA_ERR_NOENTITY); /* Get an atomic snapshot of all timing parameters */ pa_assert_se(pa_asyncmsgq_send(s->sink_input->sink->asyncmsgq, PA_MSGOBJECT(s->sink_input), SINK_INPUT_MESSAGE_UPDATE_LATENCY, s, 0, NULL) == 0); reply = reply_new(tag); pa_tagstruct_put_usec(reply, s->current_sink_latency + pa_bytes_to_usec(s->render_memblockq_length, &s->sink_input->sink->sample_spec)); pa_tagstruct_put_usec(reply, 0); pa_tagstruct_put_boolean(reply, s->playing_for > 0 && pa_sink_get_state(s->sink_input->sink) == PA_SINK_RUNNING && pa_sink_input_get_state(s->sink_input) == PA_SINK_INPUT_RUNNING); pa_tagstruct_put_timeval(reply, &tv); pa_tagstruct_put_timeval(reply, pa_gettimeofday(&now)); pa_tagstruct_puts64(reply, s->write_index); pa_tagstruct_puts64(reply, s->read_index); if (c->version >= 13) { pa_tagstruct_putu64(reply, s->underrun_for); pa_tagstruct_putu64(reply, s->playing_for); } pa_pstream_send_tagstruct(c->pstream, reply); } static void command_get_record_latency(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { pa_native_connection *c = PA_NATIVE_CONNECTION(userdata); pa_tagstruct *reply; record_stream *s; struct timeval tv, now; uint32_t idx; pa_native_connection_assert_ref(c); pa_assert(t); if (pa_tagstruct_getu32(t, &idx) < 0 || pa_tagstruct_get_timeval(t, &tv) < 0 || !pa_tagstruct_eof(t)) { protocol_error(c); return; } CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS); s = pa_idxset_get_by_index(c->record_streams, idx); CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY); /* Get an atomic snapshot of all timing parameters */ pa_assert_se(pa_asyncmsgq_send(s->source_output->source->asyncmsgq, PA_MSGOBJECT(s->source_output), SOURCE_OUTPUT_MESSAGE_UPDATE_LATENCY, s, 0, NULL) == 0); reply = reply_new(tag); pa_tagstruct_put_usec(reply, s->current_monitor_latency); pa_tagstruct_put_usec(reply, s->current_source_latency + pa_bytes_to_usec(s->on_the_fly_snapshot, &s->source_output->source->sample_spec)); pa_tagstruct_put_boolean(reply, pa_source_get_state(s->source_output->source) == PA_SOURCE_RUNNING && pa_source_output_get_state(s->source_output) == PA_SOURCE_OUTPUT_RUNNING); pa_tagstruct_put_timeval(reply, &tv); pa_tagstruct_put_timeval(reply, pa_gettimeofday(&now)); pa_tagstruct_puts64(reply, pa_memblockq_get_write_index(s->memblockq)); pa_tagstruct_puts64(reply, pa_memblockq_get_read_index(s->memblockq)); pa_pstream_send_tagstruct(c->pstream, reply); } static void command_create_upload_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { pa_native_connection *c = PA_NATIVE_CONNECTION(userdata); upload_stream *s; uint32_t length; const char *name = NULL; pa_sample_spec ss; pa_channel_map map; pa_tagstruct *reply; pa_proplist *p; pa_native_connection_assert_ref(c); pa_assert(t); if (pa_tagstruct_gets(t, &name) < 0 || pa_tagstruct_get_sample_spec(t, &ss) < 0 || pa_tagstruct_get_channel_map(t, &map) < 0 || pa_tagstruct_getu32(t, &length) < 0) { protocol_error(c); return; } CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS); CHECK_VALIDITY(c->pstream, pa_sample_spec_valid(&ss), tag, PA_ERR_INVALID); CHECK_VALIDITY(c->pstream, pa_channel_map_valid(&map), tag, PA_ERR_INVALID); CHECK_VALIDITY(c->pstream, map.channels == ss.channels, tag, PA_ERR_INVALID); CHECK_VALIDITY(c->pstream, (length % pa_frame_size(&ss)) == 0 && length > 0, tag, PA_ERR_INVALID); CHECK_VALIDITY(c->pstream, length <= PA_SCACHE_ENTRY_SIZE_MAX, tag, PA_ERR_TOOLARGE); p = pa_proplist_new(); if ((c->version >= 13 && pa_tagstruct_get_proplist(t, p) < 0) || !pa_tagstruct_eof(t)) { protocol_error(c); pa_proplist_free(p); return; } if (c->version < 13) pa_proplist_sets(p, PA_PROP_MEDIA_NAME, name); else if (!name) if (!(name = pa_proplist_gets(p, PA_PROP_EVENT_ID))) name = pa_proplist_gets(p, PA_PROP_MEDIA_NAME); if (!name || !pa_namereg_is_valid_name(name)) { pa_proplist_free(p); CHECK_VALIDITY(c->pstream, FALSE, tag, PA_ERR_INVALID); } s = upload_stream_new(c, &ss, &map, name, length, p); pa_proplist_free(p); CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_INVALID); reply = reply_new(tag); pa_tagstruct_putu32(reply, s->index); pa_tagstruct_putu32(reply, length); pa_pstream_send_tagstruct(c->pstream, reply); } static void command_finish_upload_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { pa_native_connection *c = PA_NATIVE_CONNECTION(userdata); uint32_t channel; upload_stream *s; uint32_t idx; pa_native_connection_assert_ref(c); pa_assert(t); if (pa_tagstruct_getu32(t, &channel) < 0 || !pa_tagstruct_eof(t)) { protocol_error(c); return; } CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS); s = pa_idxset_get_by_index(c->output_streams, channel); CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY); CHECK_VALIDITY(c->pstream, upload_stream_isinstance(s), tag, PA_ERR_NOENTITY); if (!s->memchunk.memblock) pa_pstream_send_error(c->pstream, tag, PA_ERR_TOOLARGE); else if (pa_scache_add_item(c->protocol->core, s->name, &s->sample_spec, &s->channel_map, &s->memchunk, s->proplist, &idx) < 0) pa_pstream_send_error(c->pstream, tag, PA_ERR_INTERNAL); else pa_pstream_send_simple_ack(c->pstream, tag); upload_stream_unlink(s); } static void command_play_sample(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { pa_native_connection *c = PA_NATIVE_CONNECTION(userdata); uint32_t sink_index; pa_volume_t volume; pa_sink *sink; const char *name, *sink_name; uint32_t idx; pa_proplist *p; pa_tagstruct *reply; pa_native_connection_assert_ref(c); pa_assert(t); CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS); if (pa_tagstruct_getu32(t, &sink_index) < 0 || pa_tagstruct_gets(t, &sink_name) < 0 || pa_tagstruct_getu32(t, &volume) < 0 || pa_tagstruct_gets(t, &name) < 0) { protocol_error(c); return; } CHECK_VALIDITY(c->pstream, !sink_name || pa_namereg_is_valid_name_or_wildcard(sink_name, PA_NAMEREG_SINK), tag, PA_ERR_INVALID); CHECK_VALIDITY(c->pstream, sink_index == PA_INVALID_INDEX || !sink_name, tag, PA_ERR_INVALID); CHECK_VALIDITY(c->pstream, !sink_name || sink_index == PA_INVALID_INDEX, tag, PA_ERR_INVALID); CHECK_VALIDITY(c->pstream, name && pa_namereg_is_valid_name(name), tag, PA_ERR_INVALID); if (sink_index != PA_INVALID_INDEX) sink = pa_idxset_get_by_index(c->protocol->core->sinks, sink_index); else sink = pa_namereg_get(c->protocol->core, sink_name, PA_NAMEREG_SINK); CHECK_VALIDITY(c->pstream, sink, tag, PA_ERR_NOENTITY); p = pa_proplist_new(); if ((c->version >= 13 && pa_tagstruct_get_proplist(t, p) < 0) || !pa_tagstruct_eof(t)) { protocol_error(c); pa_proplist_free(p); return; } pa_proplist_update(p, PA_UPDATE_MERGE, c->client->proplist); if (pa_scache_play_item(c->protocol->core, name, sink, volume, p, &idx) < 0) { pa_pstream_send_error(c->pstream, tag, PA_ERR_NOENTITY); pa_proplist_free(p); return; } pa_proplist_free(p); reply = reply_new(tag); if (c->version >= 13) pa_tagstruct_putu32(reply, idx); pa_pstream_send_tagstruct(c->pstream, reply); } static void command_remove_sample(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { pa_native_connection *c = PA_NATIVE_CONNECTION(userdata); const char *name; pa_native_connection_assert_ref(c); pa_assert(t); if (pa_tagstruct_gets(t, &name) < 0 || !pa_tagstruct_eof(t)) { protocol_error(c); return; } CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS); CHECK_VALIDITY(c->pstream, name && pa_namereg_is_valid_name(name), tag, PA_ERR_INVALID); if (pa_scache_remove_item(c->protocol->core, name) < 0) { pa_pstream_send_error(c->pstream, tag, PA_ERR_NOENTITY); return; } pa_pstream_send_simple_ack(c->pstream, tag); } static void fixup_sample_spec(pa_native_connection *c, pa_sample_spec *fixed, const pa_sample_spec *original) { pa_assert(c); pa_assert(fixed); pa_assert(original); *fixed = *original; if (c->version < 12) { /* Before protocol version 12 we didn't support S32 samples, * so we need to lie about this to the client */ if (fixed->format == PA_SAMPLE_S32LE) fixed->format = PA_SAMPLE_FLOAT32LE; if (fixed->format == PA_SAMPLE_S32BE) fixed->format = PA_SAMPLE_FLOAT32BE; } if (c->version < 15) { if (fixed->format == PA_SAMPLE_S24LE || fixed->format == PA_SAMPLE_S24_32LE) fixed->format = PA_SAMPLE_FLOAT32LE; if (fixed->format == PA_SAMPLE_S24BE || fixed->format == PA_SAMPLE_S24_32BE) fixed->format = PA_SAMPLE_FLOAT32BE; } } static void sink_fill_tagstruct(pa_native_connection *c, pa_tagstruct *t, pa_sink *sink) { pa_sample_spec fixed_ss; pa_assert(t); pa_sink_assert_ref(sink); fixup_sample_spec(c, &fixed_ss, &sink->sample_spec); pa_tagstruct_put( t, PA_TAG_U32, sink->index, PA_TAG_STRING, sink->name, PA_TAG_STRING, pa_strnull(pa_proplist_gets(sink->proplist, PA_PROP_DEVICE_DESCRIPTION)), PA_TAG_SAMPLE_SPEC, &fixed_ss, PA_TAG_CHANNEL_MAP, &sink->channel_map, PA_TAG_U32, sink->module ? sink->module->index : PA_INVALID_INDEX, PA_TAG_CVOLUME, pa_sink_get_volume(sink, FALSE), PA_TAG_BOOLEAN, pa_sink_get_mute(sink, FALSE), PA_TAG_U32, sink->monitor_source ? sink->monitor_source->index : PA_INVALID_INDEX, PA_TAG_STRING, sink->monitor_source ? sink->monitor_source->name : NULL, PA_TAG_USEC, pa_sink_get_latency(sink), PA_TAG_STRING, sink->driver, PA_TAG_U32, sink->flags & PA_SINK_CLIENT_FLAGS_MASK, PA_TAG_INVALID); if (c->version >= 13) { pa_tagstruct_put_proplist(t, sink->proplist); pa_tagstruct_put_usec(t, pa_sink_get_requested_latency(sink)); } if (c->version >= 15) { pa_tagstruct_put_volume(t, sink->base_volume); if (PA_UNLIKELY(pa_sink_get_state(sink) == PA_SINK_INVALID_STATE)) pa_log_error("Internal sink state is invalid."); pa_tagstruct_putu32(t, pa_sink_get_state(sink)); pa_tagstruct_putu32(t, sink->n_volume_steps); pa_tagstruct_putu32(t, sink->card ? sink->card->index : PA_INVALID_INDEX); } if (c->version >= 16) { void *state; pa_device_port *p; pa_tagstruct_putu32(t, pa_hashmap_size(sink->ports)); PA_HASHMAP_FOREACH(p, sink->ports, state) { pa_tagstruct_puts(t, p->name); pa_tagstruct_puts(t, p->description); pa_tagstruct_putu32(t, p->priority); if (c->version >= 24) pa_tagstruct_putu32(t, p->available); } pa_tagstruct_puts(t, sink->active_port ? sink->active_port->name : NULL); } if (c->version >= 21) { uint32_t i; pa_format_info *f; pa_idxset *formats = pa_sink_get_formats(sink); pa_tagstruct_putu8(t, (uint8_t) pa_idxset_size(formats)); PA_IDXSET_FOREACH(f, formats, i) { pa_tagstruct_put_format_info(t, f); } pa_idxset_free(formats, (pa_free_cb_t) pa_format_info_free); } } static void source_fill_tagstruct(pa_native_connection *c, pa_tagstruct *t, pa_source *source) { pa_sample_spec fixed_ss; pa_assert(t); pa_source_assert_ref(source); fixup_sample_spec(c, &fixed_ss, &source->sample_spec); pa_tagstruct_put( t, PA_TAG_U32, source->index, PA_TAG_STRING, source->name, PA_TAG_STRING, pa_strnull(pa_proplist_gets(source->proplist, PA_PROP_DEVICE_DESCRIPTION)), PA_TAG_SAMPLE_SPEC, &fixed_ss, PA_TAG_CHANNEL_MAP, &source->channel_map, PA_TAG_U32, source->module ? source->module->index : PA_INVALID_INDEX, PA_TAG_CVOLUME, pa_source_get_volume(source, FALSE), PA_TAG_BOOLEAN, pa_source_get_mute(source, FALSE), PA_TAG_U32, source->monitor_of ? source->monitor_of->index : PA_INVALID_INDEX, PA_TAG_STRING, source->monitor_of ? source->monitor_of->name : NULL, PA_TAG_USEC, pa_source_get_latency(source), PA_TAG_STRING, source->driver, PA_TAG_U32, source->flags & PA_SOURCE_CLIENT_FLAGS_MASK, PA_TAG_INVALID); if (c->version >= 13) { pa_tagstruct_put_proplist(t, source->proplist); pa_tagstruct_put_usec(t, pa_source_get_requested_latency(source)); } if (c->version >= 15) { pa_tagstruct_put_volume(t, source->base_volume); if (PA_UNLIKELY(pa_source_get_state(source) == PA_SOURCE_INVALID_STATE)) pa_log_error("Internal source state is invalid."); pa_tagstruct_putu32(t, pa_source_get_state(source)); pa_tagstruct_putu32(t, source->n_volume_steps); pa_tagstruct_putu32(t, source->card ? source->card->index : PA_INVALID_INDEX); } if (c->version >= 16) { void *state; pa_device_port *p; pa_tagstruct_putu32(t, pa_hashmap_size(source->ports)); PA_HASHMAP_FOREACH(p, source->ports, state) { pa_tagstruct_puts(t, p->name); pa_tagstruct_puts(t, p->description); pa_tagstruct_putu32(t, p->priority); if (c->version >= 24) pa_tagstruct_putu32(t, p->available); } pa_tagstruct_puts(t, source->active_port ? source->active_port->name : NULL); } if (c->version >= 22) { uint32_t i; pa_format_info *f; pa_idxset *formats = pa_source_get_formats(source); pa_tagstruct_putu8(t, (uint8_t) pa_idxset_size(formats)); PA_IDXSET_FOREACH(f, formats, i) { pa_tagstruct_put_format_info(t, f); } pa_idxset_free(formats, (pa_free_cb_t) pa_format_info_free); } } static void client_fill_tagstruct(pa_native_connection *c, pa_tagstruct *t, pa_client *client) { pa_assert(t); pa_assert(client); pa_tagstruct_putu32(t, client->index); pa_tagstruct_puts(t, pa_strnull(pa_proplist_gets(client->proplist, PA_PROP_APPLICATION_NAME))); pa_tagstruct_putu32(t, client->module ? client->module->index : PA_INVALID_INDEX); pa_tagstruct_puts(t, client->driver); if (c->version >= 13) pa_tagstruct_put_proplist(t, client->proplist); } static void card_fill_tagstruct(pa_native_connection *c, pa_tagstruct *t, pa_card *card) { void *state = NULL; pa_card_profile *p; pa_device_port *port; pa_assert(t); pa_assert(card); pa_tagstruct_putu32(t, card->index); pa_tagstruct_puts(t, card->name); pa_tagstruct_putu32(t, card->module ? card->module->index : PA_INVALID_INDEX); pa_tagstruct_puts(t, card->driver); pa_tagstruct_putu32(t, pa_hashmap_size(card->profiles)); PA_HASHMAP_FOREACH(p, card->profiles, state) { pa_tagstruct_puts(t, p->name); pa_tagstruct_puts(t, p->description); pa_tagstruct_putu32(t, p->n_sinks); pa_tagstruct_putu32(t, p->n_sources); pa_tagstruct_putu32(t, p->priority); } pa_tagstruct_puts(t, card->active_profile->name); pa_tagstruct_put_proplist(t, card->proplist); if (c->version < 26) return; pa_tagstruct_putu32(t, pa_hashmap_size(card->ports)); PA_HASHMAP_FOREACH(port, card->ports, state) { void *state2; pa_tagstruct_puts(t, port->name); pa_tagstruct_puts(t, port->description); pa_tagstruct_putu32(t, port->priority); pa_tagstruct_putu32(t, port->available); pa_tagstruct_putu8(t, /* FIXME: port->direction */ (port->is_input ? PA_DIRECTION_INPUT : 0) | (port->is_output ? PA_DIRECTION_OUTPUT : 0)); pa_tagstruct_put_proplist(t, port->proplist); pa_tagstruct_putu32(t, pa_hashmap_size(port->profiles)); PA_HASHMAP_FOREACH(p, port->profiles, state2) pa_tagstruct_puts(t, p->name); if (c->version >= 27) pa_tagstruct_puts64(t, port->latency_offset); } } static void module_fill_tagstruct(pa_native_connection *c, pa_tagstruct *t, pa_module *module) { pa_assert(t); pa_assert(module); pa_tagstruct_putu32(t, module->index); pa_tagstruct_puts(t, module->name); pa_tagstruct_puts(t, module->argument); pa_tagstruct_putu32(t, (uint32_t) pa_module_get_n_used(module)); if (c->version < 15) pa_tagstruct_put_boolean(t, FALSE); /* autoload is obsolete */ if (c->version >= 15) pa_tagstruct_put_proplist(t, module->proplist); } static void sink_input_fill_tagstruct(pa_native_connection *c, pa_tagstruct *t, pa_sink_input *s) { pa_sample_spec fixed_ss; pa_usec_t sink_latency; pa_cvolume v; pa_bool_t has_volume = FALSE; pa_assert(t); pa_sink_input_assert_ref(s); fixup_sample_spec(c, &fixed_ss, &s->sample_spec); has_volume = pa_sink_input_is_volume_readable(s); if (has_volume) pa_sink_input_get_volume(s, &v, TRUE); else pa_cvolume_reset(&v, fixed_ss.channels); pa_tagstruct_putu32(t, s->index); pa_tagstruct_puts(t, pa_strnull(pa_proplist_gets(s->proplist, PA_PROP_MEDIA_NAME))); pa_tagstruct_putu32(t, s->module ? s->module->index : PA_INVALID_INDEX); pa_tagstruct_putu32(t, s->client ? s->client->index : PA_INVALID_INDEX); pa_tagstruct_putu32(t, s->sink->index); pa_tagstruct_put_sample_spec(t, &fixed_ss); pa_tagstruct_put_channel_map(t, &s->channel_map); pa_tagstruct_put_cvolume(t, &v); pa_tagstruct_put_usec(t, pa_sink_input_get_latency(s, &sink_latency)); pa_tagstruct_put_usec(t, sink_latency); pa_tagstruct_puts(t, pa_resample_method_to_string(pa_sink_input_get_resample_method(s))); pa_tagstruct_puts(t, s->driver); if (c->version >= 11) pa_tagstruct_put_boolean(t, pa_sink_input_get_mute(s)); if (c->version >= 13) pa_tagstruct_put_proplist(t, s->proplist); if (c->version >= 19) pa_tagstruct_put_boolean(t, (pa_sink_input_get_state(s) == PA_SINK_INPUT_CORKED)); if (c->version >= 20) { pa_tagstruct_put_boolean(t, has_volume); pa_tagstruct_put_boolean(t, s->volume_writable); } if (c->version >= 21) pa_tagstruct_put_format_info(t, s->format); } static void source_output_fill_tagstruct(pa_native_connection *c, pa_tagstruct *t, pa_source_output *s) { pa_sample_spec fixed_ss; pa_usec_t source_latency; pa_cvolume v; pa_bool_t has_volume = FALSE; pa_assert(t); pa_source_output_assert_ref(s); fixup_sample_spec(c, &fixed_ss, &s->sample_spec); has_volume = pa_source_output_is_volume_readable(s); if (has_volume) pa_source_output_get_volume(s, &v, TRUE); else pa_cvolume_reset(&v, fixed_ss.channels); pa_tagstruct_putu32(t, s->index); pa_tagstruct_puts(t, pa_strnull(pa_proplist_gets(s->proplist, PA_PROP_MEDIA_NAME))); pa_tagstruct_putu32(t, s->module ? s->module->index : PA_INVALID_INDEX); pa_tagstruct_putu32(t, s->client ? s->client->index : PA_INVALID_INDEX); pa_tagstruct_putu32(t, s->source->index); pa_tagstruct_put_sample_spec(t, &fixed_ss); pa_tagstruct_put_channel_map(t, &s->channel_map); pa_tagstruct_put_usec(t, pa_source_output_get_latency(s, &source_latency)); pa_tagstruct_put_usec(t, source_latency); pa_tagstruct_puts(t, pa_resample_method_to_string(pa_source_output_get_resample_method(s))); pa_tagstruct_puts(t, s->driver); if (c->version >= 13) pa_tagstruct_put_proplist(t, s->proplist); if (c->version >= 19) pa_tagstruct_put_boolean(t, (pa_source_output_get_state(s) == PA_SOURCE_OUTPUT_CORKED)); if (c->version >= 22) { pa_tagstruct_put_cvolume(t, &v); pa_tagstruct_put_boolean(t, pa_source_output_get_mute(s)); pa_tagstruct_put_boolean(t, has_volume); pa_tagstruct_put_boolean(t, s->volume_writable); pa_tagstruct_put_format_info(t, s->format); } } static void scache_fill_tagstruct(pa_native_connection *c, pa_tagstruct *t, pa_scache_entry *e) { pa_sample_spec fixed_ss; pa_cvolume v; pa_assert(t); pa_assert(e); if (e->memchunk.memblock) fixup_sample_spec(c, &fixed_ss, &e->sample_spec); else memset(&fixed_ss, 0, sizeof(fixed_ss)); pa_tagstruct_putu32(t, e->index); pa_tagstruct_puts(t, e->name); if (e->volume_is_set) v = e->volume; else pa_cvolume_init(&v); pa_tagstruct_put_cvolume(t, &v); pa_tagstruct_put_usec(t, e->memchunk.memblock ? pa_bytes_to_usec(e->memchunk.length, &e->sample_spec) : 0); pa_tagstruct_put_sample_spec(t, &fixed_ss); pa_tagstruct_put_channel_map(t, &e->channel_map); pa_tagstruct_putu32(t, (uint32_t) e->memchunk.length); pa_tagstruct_put_boolean(t, e->lazy); pa_tagstruct_puts(t, e->filename); if (c->version >= 13) pa_tagstruct_put_proplist(t, e->proplist); } static void command_get_info(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { pa_native_connection *c = PA_NATIVE_CONNECTION(userdata); uint32_t idx; pa_sink *sink = NULL; pa_source *source = NULL; pa_client *client = NULL; pa_card *card = NULL; pa_module *module = NULL; pa_sink_input *si = NULL; pa_source_output *so = NULL; pa_scache_entry *sce = NULL; const char *name = NULL; pa_tagstruct *reply; pa_native_connection_assert_ref(c); pa_assert(t); if (pa_tagstruct_getu32(t, &idx) < 0 || (command != PA_COMMAND_GET_CLIENT_INFO && command != PA_COMMAND_GET_MODULE_INFO && command != PA_COMMAND_GET_SINK_INPUT_INFO && command != PA_COMMAND_GET_SOURCE_OUTPUT_INFO && pa_tagstruct_gets(t, &name) < 0) || !pa_tagstruct_eof(t)) { protocol_error(c); return; } CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS); CHECK_VALIDITY(c->pstream, !name || (command == PA_COMMAND_GET_SINK_INFO && pa_namereg_is_valid_name_or_wildcard(name, PA_NAMEREG_SINK)) || (command == PA_COMMAND_GET_SOURCE_INFO && pa_namereg_is_valid_name_or_wildcard(name, PA_NAMEREG_SOURCE)) || pa_namereg_is_valid_name(name), tag, PA_ERR_INVALID); CHECK_VALIDITY(c->pstream, command == PA_COMMAND_GET_SINK_INFO || command == PA_COMMAND_GET_SOURCE_INFO || (idx != PA_INVALID_INDEX || name), tag, PA_ERR_INVALID); CHECK_VALIDITY(c->pstream, idx == PA_INVALID_INDEX || !name, tag, PA_ERR_INVALID); CHECK_VALIDITY(c->pstream, !name || idx == PA_INVALID_INDEX, tag, PA_ERR_INVALID); if (command == PA_COMMAND_GET_SINK_INFO) { if (idx != PA_INVALID_INDEX) sink = pa_idxset_get_by_index(c->protocol->core->sinks, idx); else sink = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_SINK); } else if (command == PA_COMMAND_GET_SOURCE_INFO) { if (idx != PA_INVALID_INDEX) source = pa_idxset_get_by_index(c->protocol->core->sources, idx); else source = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_SOURCE); } else if (command == PA_COMMAND_GET_CARD_INFO) { if (idx != PA_INVALID_INDEX) card = pa_idxset_get_by_index(c->protocol->core->cards, idx); else card = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_CARD); } else if (command == PA_COMMAND_GET_CLIENT_INFO) client = pa_idxset_get_by_index(c->protocol->core->clients, idx); else if (command == PA_COMMAND_GET_MODULE_INFO) module = pa_idxset_get_by_index(c->protocol->core->modules, idx); else if (command == PA_COMMAND_GET_SINK_INPUT_INFO) si = pa_idxset_get_by_index(c->protocol->core->sink_inputs, idx); else if (command == PA_COMMAND_GET_SOURCE_OUTPUT_INFO) so = pa_idxset_get_by_index(c->protocol->core->source_outputs, idx); else { pa_assert(command == PA_COMMAND_GET_SAMPLE_INFO); if (idx != PA_INVALID_INDEX) sce = pa_idxset_get_by_index(c->protocol->core->scache, idx); else sce = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_SAMPLE); } if (!sink && !source && !client && !card && !module && !si && !so && !sce) { pa_pstream_send_error(c->pstream, tag, PA_ERR_NOENTITY); return; } reply = reply_new(tag); if (sink) sink_fill_tagstruct(c, reply, sink); else if (source) source_fill_tagstruct(c, reply, source); else if (client) client_fill_tagstruct(c, reply, client); else if (card) card_fill_tagstruct(c, reply, card); else if (module) module_fill_tagstruct(c, reply, module); else if (si) sink_input_fill_tagstruct(c, reply, si); else if (so) source_output_fill_tagstruct(c, reply, so); else scache_fill_tagstruct(c, reply, sce); pa_pstream_send_tagstruct(c->pstream, reply); } static void command_get_info_list(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { pa_native_connection *c = PA_NATIVE_CONNECTION(userdata); pa_idxset *i; uint32_t idx; void *p; pa_tagstruct *reply; pa_native_connection_assert_ref(c); pa_assert(t); if (!pa_tagstruct_eof(t)) { protocol_error(c); return; } CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS); reply = reply_new(tag); if (command == PA_COMMAND_GET_SINK_INFO_LIST) i = c->protocol->core->sinks; else if (command == PA_COMMAND_GET_SOURCE_INFO_LIST) i = c->protocol->core->sources; else if (command == PA_COMMAND_GET_CLIENT_INFO_LIST) i = c->protocol->core->clients; else if (command == PA_COMMAND_GET_CARD_INFO_LIST) i = c->protocol->core->cards; else if (command == PA_COMMAND_GET_MODULE_INFO_LIST) i = c->protocol->core->modules; else if (command == PA_COMMAND_GET_SINK_INPUT_INFO_LIST) i = c->protocol->core->sink_inputs; else if (command == PA_COMMAND_GET_SOURCE_OUTPUT_INFO_LIST) i = c->protocol->core->source_outputs; else { pa_assert(command == PA_COMMAND_GET_SAMPLE_INFO_LIST); i = c->protocol->core->scache; } if (i) { PA_IDXSET_FOREACH(p, i, idx) { if (command == PA_COMMAND_GET_SINK_INFO_LIST) sink_fill_tagstruct(c, reply, p); else if (command == PA_COMMAND_GET_SOURCE_INFO_LIST) source_fill_tagstruct(c, reply, p); else if (command == PA_COMMAND_GET_CLIENT_INFO_LIST) client_fill_tagstruct(c, reply, p); else if (command == PA_COMMAND_GET_CARD_INFO_LIST) card_fill_tagstruct(c, reply, p); else if (command == PA_COMMAND_GET_MODULE_INFO_LIST) module_fill_tagstruct(c, reply, p); else if (command == PA_COMMAND_GET_SINK_INPUT_INFO_LIST) sink_input_fill_tagstruct(c, reply, p); else if (command == PA_COMMAND_GET_SOURCE_OUTPUT_INFO_LIST) source_output_fill_tagstruct(c, reply, p); else { pa_assert(command == PA_COMMAND_GET_SAMPLE_INFO_LIST); scache_fill_tagstruct(c, reply, p); } } } pa_pstream_send_tagstruct(c->pstream, reply); } static void command_get_server_info(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { pa_native_connection *c = PA_NATIVE_CONNECTION(userdata); pa_tagstruct *reply; pa_sink *def_sink; pa_source *def_source; pa_sample_spec fixed_ss; char *h, *u; pa_native_connection_assert_ref(c); pa_assert(t); if (!pa_tagstruct_eof(t)) { protocol_error(c); return; } CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS); reply = reply_new(tag); pa_tagstruct_puts(reply, PACKAGE_NAME); pa_tagstruct_puts(reply, PACKAGE_VERSION); u = pa_get_user_name_malloc(); pa_tagstruct_puts(reply, u); pa_xfree(u); h = pa_get_host_name_malloc(); pa_tagstruct_puts(reply, h); pa_xfree(h); fixup_sample_spec(c, &fixed_ss, &c->protocol->core->default_sample_spec); pa_tagstruct_put_sample_spec(reply, &fixed_ss); def_sink = pa_namereg_get_default_sink(c->protocol->core); pa_tagstruct_puts(reply, def_sink ? def_sink->name : NULL); def_source = pa_namereg_get_default_source(c->protocol->core); pa_tagstruct_puts(reply, def_source ? def_source->name : NULL); pa_tagstruct_putu32(reply, c->protocol->core->cookie); if (c->version >= 15) pa_tagstruct_put_channel_map(reply, &c->protocol->core->default_channel_map); pa_pstream_send_tagstruct(c->pstream, reply); } static void subscription_cb(pa_core *core, pa_subscription_event_type_t e, uint32_t idx, void *userdata) { pa_tagstruct *t; pa_native_connection *c = PA_NATIVE_CONNECTION(userdata); pa_native_connection_assert_ref(c); t = pa_tagstruct_new(NULL, 0); pa_tagstruct_putu32(t, PA_COMMAND_SUBSCRIBE_EVENT); pa_tagstruct_putu32(t, (uint32_t) -1); pa_tagstruct_putu32(t, e); pa_tagstruct_putu32(t, idx); pa_pstream_send_tagstruct(c->pstream, t); } static void command_subscribe(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { pa_native_connection *c = PA_NATIVE_CONNECTION(userdata); pa_subscription_mask_t m; pa_native_connection_assert_ref(c); pa_assert(t); if (pa_tagstruct_getu32(t, &m) < 0 || !pa_tagstruct_eof(t)) { protocol_error(c); return; } CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS); CHECK_VALIDITY(c->pstream, (m & ~PA_SUBSCRIPTION_MASK_ALL) == 0, tag, PA_ERR_INVALID); if (c->subscription) pa_subscription_free(c->subscription); if (m != 0) { c->subscription = pa_subscription_new(c->protocol->core, m, subscription_cb, c); pa_assert(c->subscription); } else c->subscription = NULL; pa_pstream_send_simple_ack(c->pstream, tag); } static void command_set_volume( pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { pa_native_connection *c = PA_NATIVE_CONNECTION(userdata); uint32_t idx; pa_cvolume volume; pa_sink *sink = NULL; pa_source *source = NULL; pa_sink_input *si = NULL; pa_source_output *so = NULL; const char *name = NULL; const char *client_name; pa_native_connection_assert_ref(c); pa_assert(t); if (pa_tagstruct_getu32(t, &idx) < 0 || (command == PA_COMMAND_SET_SINK_VOLUME && pa_tagstruct_gets(t, &name) < 0) || (command == PA_COMMAND_SET_SOURCE_VOLUME && pa_tagstruct_gets(t, &name) < 0) || pa_tagstruct_get_cvolume(t, &volume) || !pa_tagstruct_eof(t)) { protocol_error(c); return; } CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS); CHECK_VALIDITY(c->pstream, !name || pa_namereg_is_valid_name_or_wildcard(name, command == PA_COMMAND_SET_SINK_VOLUME ? PA_NAMEREG_SINK : PA_NAMEREG_SOURCE), tag, PA_ERR_INVALID); CHECK_VALIDITY(c->pstream, idx != PA_INVALID_INDEX || name, tag, PA_ERR_INVALID); CHECK_VALIDITY(c->pstream, idx == PA_INVALID_INDEX || !name, tag, PA_ERR_INVALID); CHECK_VALIDITY(c->pstream, !name || idx == PA_INVALID_INDEX, tag, PA_ERR_INVALID); CHECK_VALIDITY(c->pstream, pa_cvolume_valid(&volume), tag, PA_ERR_INVALID); switch (command) { case PA_COMMAND_SET_SINK_VOLUME: if (idx != PA_INVALID_INDEX) sink = pa_idxset_get_by_index(c->protocol->core->sinks, idx); else sink = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_SINK); break; case PA_COMMAND_SET_SOURCE_VOLUME: if (idx != PA_INVALID_INDEX) source = pa_idxset_get_by_index(c->protocol->core->sources, idx); else source = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_SOURCE); break; case PA_COMMAND_SET_SINK_INPUT_VOLUME: si = pa_idxset_get_by_index(c->protocol->core->sink_inputs, idx); break; case PA_COMMAND_SET_SOURCE_OUTPUT_VOLUME: so = pa_idxset_get_by_index(c->protocol->core->source_outputs, idx); break; default: pa_assert_not_reached(); } CHECK_VALIDITY(c->pstream, si || so || sink || source, tag, PA_ERR_NOENTITY); client_name = pa_strnull(pa_proplist_gets(c->client->proplist, PA_PROP_APPLICATION_PROCESS_BINARY)); if (sink) { CHECK_VALIDITY(c->pstream, volume.channels == 1 || pa_cvolume_compatible(&volume, &sink->sample_spec), tag, PA_ERR_INVALID); pa_log_debug("Client %s changes volume of sink %s.", client_name, sink->name); pa_sink_set_volume(sink, &volume, TRUE, TRUE); } else if (source) { CHECK_VALIDITY(c->pstream, volume.channels == 1 || pa_cvolume_compatible(&volume, &source->sample_spec), tag, PA_ERR_INVALID); pa_log_debug("Client %s changes volume of source %s.", client_name, source->name); pa_source_set_volume(source, &volume, TRUE, TRUE); } else if (si) { CHECK_VALIDITY(c->pstream, si->volume_writable, tag, PA_ERR_BADSTATE); CHECK_VALIDITY(c->pstream, volume.channels == 1 || pa_cvolume_compatible(&volume, &si->sample_spec), tag, PA_ERR_INVALID); pa_log_debug("Client %s changes volume of sink input %s.", client_name, pa_strnull(pa_proplist_gets(si->proplist, PA_PROP_MEDIA_NAME))); pa_sink_input_set_volume(si, &volume, TRUE, TRUE); } else if (so) { CHECK_VALIDITY(c->pstream, volume.channels == 1 || pa_cvolume_compatible(&volume, &so->sample_spec), tag, PA_ERR_INVALID); pa_log_debug("Client %s changes volume of source output %s.", client_name, pa_strnull(pa_proplist_gets(so->proplist, PA_PROP_MEDIA_NAME))); pa_source_output_set_volume(so, &volume, TRUE, TRUE); } pa_pstream_send_simple_ack(c->pstream, tag); } static void command_set_mute( pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { pa_native_connection *c = PA_NATIVE_CONNECTION(userdata); uint32_t idx; pa_bool_t mute; pa_sink *sink = NULL; pa_source *source = NULL; pa_sink_input *si = NULL; pa_source_output *so = NULL; const char *name = NULL, *client_name; pa_native_connection_assert_ref(c); pa_assert(t); if (pa_tagstruct_getu32(t, &idx) < 0 || (command == PA_COMMAND_SET_SINK_MUTE && pa_tagstruct_gets(t, &name) < 0) || (command == PA_COMMAND_SET_SOURCE_MUTE && pa_tagstruct_gets(t, &name) < 0) || pa_tagstruct_get_boolean(t, &mute) || !pa_tagstruct_eof(t)) { protocol_error(c); return; } CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS); CHECK_VALIDITY(c->pstream, !name || pa_namereg_is_valid_name_or_wildcard(name, command == PA_COMMAND_SET_SINK_MUTE ? PA_NAMEREG_SINK : PA_NAMEREG_SOURCE), tag, PA_ERR_INVALID); CHECK_VALIDITY(c->pstream, idx != PA_INVALID_INDEX || name, tag, PA_ERR_INVALID); CHECK_VALIDITY(c->pstream, idx == PA_INVALID_INDEX || !name, tag, PA_ERR_INVALID); CHECK_VALIDITY(c->pstream, !name || idx == PA_INVALID_INDEX, tag, PA_ERR_INVALID); switch (command) { case PA_COMMAND_SET_SINK_MUTE: if (idx != PA_INVALID_INDEX) sink = pa_idxset_get_by_index(c->protocol->core->sinks, idx); else sink = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_SINK); break; case PA_COMMAND_SET_SOURCE_MUTE: if (idx != PA_INVALID_INDEX) source = pa_idxset_get_by_index(c->protocol->core->sources, idx); else source = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_SOURCE); break; case PA_COMMAND_SET_SINK_INPUT_MUTE: si = pa_idxset_get_by_index(c->protocol->core->sink_inputs, idx); break; case PA_COMMAND_SET_SOURCE_OUTPUT_MUTE: so = pa_idxset_get_by_index(c->protocol->core->source_outputs, idx); break; default: pa_assert_not_reached(); } CHECK_VALIDITY(c->pstream, si || so || sink || source, tag, PA_ERR_NOENTITY); client_name = pa_strnull(pa_proplist_gets(c->client->proplist, PA_PROP_APPLICATION_PROCESS_BINARY)); if (sink) { pa_log_debug("Client %s changes mute of sink %s.", client_name, sink->name); pa_sink_set_mute(sink, mute, TRUE); } else if (source) { pa_log_debug("Client %s changes mute of source %s.", client_name, source->name); pa_source_set_mute(source, mute, TRUE); } else if (si) { pa_log_debug("Client %s changes mute of sink input %s.", client_name, pa_strnull(pa_proplist_gets(si->proplist, PA_PROP_MEDIA_NAME))); pa_sink_input_set_mute(si, mute, TRUE); } else if (so) { pa_log_debug("Client %s changes mute of source output %s.", client_name, pa_strnull(pa_proplist_gets(so->proplist, PA_PROP_MEDIA_NAME))); pa_source_output_set_mute(so, mute, TRUE); } pa_pstream_send_simple_ack(c->pstream, tag); } static void command_cork_playback_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { pa_native_connection *c = PA_NATIVE_CONNECTION(userdata); uint32_t idx; pa_bool_t b; playback_stream *s; pa_native_connection_assert_ref(c); pa_assert(t); if (pa_tagstruct_getu32(t, &idx) < 0 || pa_tagstruct_get_boolean(t, &b) < 0 || !pa_tagstruct_eof(t)) { protocol_error(c); return; } CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS); CHECK_VALIDITY(c->pstream, idx != PA_INVALID_INDEX, tag, PA_ERR_INVALID); s = pa_idxset_get_by_index(c->output_streams, idx); CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY); CHECK_VALIDITY(c->pstream, playback_stream_isinstance(s), tag, PA_ERR_NOENTITY); pa_sink_input_cork(s->sink_input, b); if (b) s->is_underrun = TRUE; pa_pstream_send_simple_ack(c->pstream, tag); } static void command_trigger_or_flush_or_prebuf_playback_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { pa_native_connection *c = PA_NATIVE_CONNECTION(userdata); uint32_t idx; playback_stream *s; pa_native_connection_assert_ref(c); pa_assert(t); if (pa_tagstruct_getu32(t, &idx) < 0 || !pa_tagstruct_eof(t)) { protocol_error(c); return; } CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS); CHECK_VALIDITY(c->pstream, idx != PA_INVALID_INDEX, tag, PA_ERR_INVALID); s = pa_idxset_get_by_index(c->output_streams, idx); CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY); CHECK_VALIDITY(c->pstream, playback_stream_isinstance(s), tag, PA_ERR_NOENTITY); switch (command) { case PA_COMMAND_FLUSH_PLAYBACK_STREAM: pa_asyncmsgq_send(s->sink_input->sink->asyncmsgq, PA_MSGOBJECT(s->sink_input), SINK_INPUT_MESSAGE_FLUSH, NULL, 0, NULL); break; case PA_COMMAND_PREBUF_PLAYBACK_STREAM: pa_asyncmsgq_send(s->sink_input->sink->asyncmsgq, PA_MSGOBJECT(s->sink_input), SINK_INPUT_MESSAGE_PREBUF_FORCE, NULL, 0, NULL); break; case PA_COMMAND_TRIGGER_PLAYBACK_STREAM: pa_asyncmsgq_send(s->sink_input->sink->asyncmsgq, PA_MSGOBJECT(s->sink_input), SINK_INPUT_MESSAGE_TRIGGER, NULL, 0, NULL); break; default: pa_assert_not_reached(); } pa_pstream_send_simple_ack(c->pstream, tag); } static void command_cork_record_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { pa_native_connection *c = PA_NATIVE_CONNECTION(userdata); uint32_t idx; record_stream *s; pa_bool_t b; pa_native_connection_assert_ref(c); pa_assert(t); if (pa_tagstruct_getu32(t, &idx) < 0 || pa_tagstruct_get_boolean(t, &b) < 0 || !pa_tagstruct_eof(t)) { protocol_error(c); return; } CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS); s = pa_idxset_get_by_index(c->record_streams, idx); CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY); pa_source_output_cork(s->source_output, b); pa_memblockq_prebuf_force(s->memblockq); pa_pstream_send_simple_ack(c->pstream, tag); } static void command_flush_record_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { pa_native_connection *c = PA_NATIVE_CONNECTION(userdata); uint32_t idx; record_stream *s; pa_native_connection_assert_ref(c); pa_assert(t); if (pa_tagstruct_getu32(t, &idx) < 0 || !pa_tagstruct_eof(t)) { protocol_error(c); return; } CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS); s = pa_idxset_get_by_index(c->record_streams, idx); CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY); pa_memblockq_flush_read(s->memblockq); pa_pstream_send_simple_ack(c->pstream, tag); } static void command_set_stream_buffer_attr(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { pa_native_connection *c = PA_NATIVE_CONNECTION(userdata); uint32_t idx; pa_buffer_attr a; pa_tagstruct *reply; pa_native_connection_assert_ref(c); pa_assert(t); memset(&a, 0, sizeof(a)); if (pa_tagstruct_getu32(t, &idx) < 0) { protocol_error(c); return; } CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS); if (command == PA_COMMAND_SET_PLAYBACK_STREAM_BUFFER_ATTR) { playback_stream *s; pa_bool_t adjust_latency = FALSE, early_requests = FALSE; s = pa_idxset_get_by_index(c->output_streams, idx); CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY); CHECK_VALIDITY(c->pstream, playback_stream_isinstance(s), tag, PA_ERR_NOENTITY); if (pa_tagstruct_get( t, PA_TAG_U32, &a.maxlength, PA_TAG_U32, &a.tlength, PA_TAG_U32, &a.prebuf, PA_TAG_U32, &a.minreq, PA_TAG_INVALID) < 0 || (c->version >= 13 && pa_tagstruct_get_boolean(t, &adjust_latency) < 0) || (c->version >= 14 && pa_tagstruct_get_boolean(t, &early_requests) < 0) || !pa_tagstruct_eof(t)) { protocol_error(c); return; } s->adjust_latency = adjust_latency; s->early_requests = early_requests; s->buffer_attr_req = a; fix_playback_buffer_attr(s); pa_assert_se(pa_asyncmsgq_send(s->sink_input->sink->asyncmsgq, PA_MSGOBJECT(s->sink_input), SINK_INPUT_MESSAGE_UPDATE_BUFFER_ATTR, NULL, 0, NULL) == 0); reply = reply_new(tag); pa_tagstruct_putu32(reply, s->buffer_attr.maxlength); pa_tagstruct_putu32(reply, s->buffer_attr.tlength); pa_tagstruct_putu32(reply, s->buffer_attr.prebuf); pa_tagstruct_putu32(reply, s->buffer_attr.minreq); if (c->version >= 13) pa_tagstruct_put_usec(reply, s->configured_sink_latency); } else { record_stream *s; pa_bool_t adjust_latency = FALSE, early_requests = FALSE; pa_assert(command == PA_COMMAND_SET_RECORD_STREAM_BUFFER_ATTR); s = pa_idxset_get_by_index(c->record_streams, idx); CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY); if (pa_tagstruct_get( t, PA_TAG_U32, &a.maxlength, PA_TAG_U32, &a.fragsize, PA_TAG_INVALID) < 0 || (c->version >= 13 && pa_tagstruct_get_boolean(t, &adjust_latency) < 0) || (c->version >= 14 && pa_tagstruct_get_boolean(t, &early_requests) < 0) || !pa_tagstruct_eof(t)) { protocol_error(c); return; } s->adjust_latency = adjust_latency; s->early_requests = early_requests; s->buffer_attr_req = a; fix_record_buffer_attr_pre(s); pa_memblockq_set_maxlength(s->memblockq, s->buffer_attr.maxlength); pa_memblockq_get_attr(s->memblockq, &s->buffer_attr); fix_record_buffer_attr_post(s); reply = reply_new(tag); pa_tagstruct_putu32(reply, s->buffer_attr.maxlength); pa_tagstruct_putu32(reply, s->buffer_attr.fragsize); if (c->version >= 13) pa_tagstruct_put_usec(reply, s->configured_source_latency); } pa_pstream_send_tagstruct(c->pstream, reply); } static void command_update_stream_sample_rate(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { pa_native_connection *c = PA_NATIVE_CONNECTION(userdata); uint32_t idx; uint32_t rate; pa_native_connection_assert_ref(c); pa_assert(t); if (pa_tagstruct_getu32(t, &idx) < 0 || pa_tagstruct_getu32(t, &rate) < 0 || !pa_tagstruct_eof(t)) { protocol_error(c); return; } CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS); CHECK_VALIDITY(c->pstream, rate > 0 && rate <= PA_RATE_MAX, tag, PA_ERR_INVALID); if (command == PA_COMMAND_UPDATE_PLAYBACK_STREAM_SAMPLE_RATE) { playback_stream *s; s = pa_idxset_get_by_index(c->output_streams, idx); CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY); CHECK_VALIDITY(c->pstream, playback_stream_isinstance(s), tag, PA_ERR_NOENTITY); pa_sink_input_set_rate(s->sink_input, rate); } else { record_stream *s; pa_assert(command == PA_COMMAND_UPDATE_RECORD_STREAM_SAMPLE_RATE); s = pa_idxset_get_by_index(c->record_streams, idx); CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY); pa_source_output_set_rate(s->source_output, rate); } pa_pstream_send_simple_ack(c->pstream, tag); } static void command_update_proplist(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { pa_native_connection *c = PA_NATIVE_CONNECTION(userdata); uint32_t idx; uint32_t mode; pa_proplist *p; pa_native_connection_assert_ref(c); pa_assert(t); CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS); p = pa_proplist_new(); if (command == PA_COMMAND_UPDATE_CLIENT_PROPLIST) { if (pa_tagstruct_getu32(t, &mode) < 0 || pa_tagstruct_get_proplist(t, p) < 0 || !pa_tagstruct_eof(t)) { protocol_error(c); pa_proplist_free(p); return; } } else { if (pa_tagstruct_getu32(t, &idx) < 0 || pa_tagstruct_getu32(t, &mode) < 0 || pa_tagstruct_get_proplist(t, p) < 0 || !pa_tagstruct_eof(t)) { protocol_error(c); pa_proplist_free(p); return; } } if (!(mode == PA_UPDATE_SET || mode == PA_UPDATE_MERGE || mode == PA_UPDATE_REPLACE)) { pa_proplist_free(p); CHECK_VALIDITY(c->pstream, FALSE, tag, PA_ERR_INVALID); } if (command == PA_COMMAND_UPDATE_PLAYBACK_STREAM_PROPLIST) { playback_stream *s; s = pa_idxset_get_by_index(c->output_streams, idx); if (!s || !playback_stream_isinstance(s)) { pa_proplist_free(p); CHECK_VALIDITY(c->pstream, FALSE, tag, PA_ERR_NOENTITY); } pa_sink_input_update_proplist(s->sink_input, mode, p); } else if (command == PA_COMMAND_UPDATE_RECORD_STREAM_PROPLIST) { record_stream *s; if (!(s = pa_idxset_get_by_index(c->record_streams, idx))) { pa_proplist_free(p); CHECK_VALIDITY(c->pstream, FALSE, tag, PA_ERR_NOENTITY); } pa_source_output_update_proplist(s->source_output, mode, p); } else { pa_assert(command == PA_COMMAND_UPDATE_CLIENT_PROPLIST); pa_client_update_proplist(c->client, mode, p); } pa_pstream_send_simple_ack(c->pstream, tag); pa_proplist_free(p); } static void command_remove_proplist(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { pa_native_connection *c = PA_NATIVE_CONNECTION(userdata); uint32_t idx; unsigned changed = 0; pa_proplist *p; pa_strlist *l = NULL; pa_native_connection_assert_ref(c); pa_assert(t); CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS); if (command != PA_COMMAND_REMOVE_CLIENT_PROPLIST) { if (pa_tagstruct_getu32(t, &idx) < 0) { protocol_error(c); return; } } if (command == PA_COMMAND_REMOVE_PLAYBACK_STREAM_PROPLIST) { playback_stream *s; s = pa_idxset_get_by_index(c->output_streams, idx); CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY); CHECK_VALIDITY(c->pstream, playback_stream_isinstance(s), tag, PA_ERR_NOENTITY); p = s->sink_input->proplist; } else if (command == PA_COMMAND_REMOVE_RECORD_STREAM_PROPLIST) { record_stream *s; s = pa_idxset_get_by_index(c->record_streams, idx); CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY); p = s->source_output->proplist; } else { pa_assert(command == PA_COMMAND_REMOVE_CLIENT_PROPLIST); p = c->client->proplist; } for (;;) { const char *k; if (pa_tagstruct_gets(t, &k) < 0) { protocol_error(c); pa_strlist_free(l); return; } if (!k) break; l = pa_strlist_prepend(l, k); } if (!pa_tagstruct_eof(t)) { protocol_error(c); pa_strlist_free(l); return; } for (;;) { char *z; l = pa_strlist_pop(l, &z); if (!z) break; changed += (unsigned) (pa_proplist_unset(p, z) >= 0); pa_xfree(z); } pa_pstream_send_simple_ack(c->pstream, tag); if (changed) { if (command == PA_COMMAND_REMOVE_PLAYBACK_STREAM_PROPLIST) { playback_stream *s; s = pa_idxset_get_by_index(c->output_streams, idx); pa_subscription_post(c->protocol->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_CHANGE, s->sink_input->index); } else if (command == PA_COMMAND_REMOVE_RECORD_STREAM_PROPLIST) { record_stream *s; s = pa_idxset_get_by_index(c->record_streams, idx); pa_subscription_post(c->protocol->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_CHANGE, s->source_output->index); } else { pa_assert(command == PA_COMMAND_REMOVE_CLIENT_PROPLIST); pa_subscription_post(c->protocol->core, PA_SUBSCRIPTION_EVENT_CLIENT|PA_SUBSCRIPTION_EVENT_CHANGE, c->client->index); } } } static void command_set_default_sink_or_source(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { pa_native_connection *c = PA_NATIVE_CONNECTION(userdata); const char *s; pa_native_connection_assert_ref(c); pa_assert(t); if (pa_tagstruct_gets(t, &s) < 0 || !pa_tagstruct_eof(t)) { protocol_error(c); return; } CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS); CHECK_VALIDITY(c->pstream, !s || pa_namereg_is_valid_name(s), tag, PA_ERR_INVALID); if (command == PA_COMMAND_SET_DEFAULT_SOURCE) { pa_source *source; source = pa_namereg_get(c->protocol->core, s, PA_NAMEREG_SOURCE); CHECK_VALIDITY(c->pstream, source, tag, PA_ERR_NOENTITY); pa_namereg_set_default_source(c->protocol->core, source); } else { pa_sink *sink; pa_assert(command == PA_COMMAND_SET_DEFAULT_SINK); sink = pa_namereg_get(c->protocol->core, s, PA_NAMEREG_SINK); CHECK_VALIDITY(c->pstream, sink, tag, PA_ERR_NOENTITY); pa_namereg_set_default_sink(c->protocol->core, sink); } pa_pstream_send_simple_ack(c->pstream, tag); } static void command_set_stream_name(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { pa_native_connection *c = PA_NATIVE_CONNECTION(userdata); uint32_t idx; const char *name; pa_native_connection_assert_ref(c); pa_assert(t); if (pa_tagstruct_getu32(t, &idx) < 0 || pa_tagstruct_gets(t, &name) < 0 || !pa_tagstruct_eof(t)) { protocol_error(c); return; } CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS); CHECK_VALIDITY(c->pstream, name && pa_utf8_valid(name), tag, PA_ERR_INVALID); if (command == PA_COMMAND_SET_PLAYBACK_STREAM_NAME) { playback_stream *s; s = pa_idxset_get_by_index(c->output_streams, idx); CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY); CHECK_VALIDITY(c->pstream, playback_stream_isinstance(s), tag, PA_ERR_NOENTITY); pa_sink_input_set_name(s->sink_input, name); } else { record_stream *s; pa_assert(command == PA_COMMAND_SET_RECORD_STREAM_NAME); s = pa_idxset_get_by_index(c->record_streams, idx); CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY); pa_source_output_set_name(s->source_output, name); } pa_pstream_send_simple_ack(c->pstream, tag); } static void command_kill(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { pa_native_connection *c = PA_NATIVE_CONNECTION(userdata); uint32_t idx; pa_native_connection_assert_ref(c); pa_assert(t); if (pa_tagstruct_getu32(t, &idx) < 0 || !pa_tagstruct_eof(t)) { protocol_error(c); return; } CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS); if (command == PA_COMMAND_KILL_CLIENT) { pa_client *client; client = pa_idxset_get_by_index(c->protocol->core->clients, idx); CHECK_VALIDITY(c->pstream, client, tag, PA_ERR_NOENTITY); pa_native_connection_ref(c); pa_client_kill(client); } else if (command == PA_COMMAND_KILL_SINK_INPUT) { pa_sink_input *s; s = pa_idxset_get_by_index(c->protocol->core->sink_inputs, idx); CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY); pa_native_connection_ref(c); pa_sink_input_kill(s); } else { pa_source_output *s; pa_assert(command == PA_COMMAND_KILL_SOURCE_OUTPUT); s = pa_idxset_get_by_index(c->protocol->core->source_outputs, idx); CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY); pa_native_connection_ref(c); pa_source_output_kill(s); } pa_pstream_send_simple_ack(c->pstream, tag); pa_native_connection_unref(c); } static void command_load_module(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { pa_native_connection *c = PA_NATIVE_CONNECTION(userdata); pa_module *m; const char *name, *argument; pa_tagstruct *reply; pa_native_connection_assert_ref(c); pa_assert(t); if (pa_tagstruct_gets(t, &name) < 0 || pa_tagstruct_gets(t, &argument) < 0 || !pa_tagstruct_eof(t)) { protocol_error(c); return; } CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS); CHECK_VALIDITY(c->pstream, name && *name && pa_utf8_valid(name) && !strchr(name, '/'), tag, PA_ERR_INVALID); CHECK_VALIDITY(c->pstream, !argument || pa_utf8_valid(argument), tag, PA_ERR_INVALID); if (!(m = pa_module_load(c->protocol->core, name, argument))) { pa_pstream_send_error(c->pstream, tag, PA_ERR_MODINITFAILED); return; } reply = reply_new(tag); pa_tagstruct_putu32(reply, m->index); pa_pstream_send_tagstruct(c->pstream, reply); } static void command_unload_module(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { pa_native_connection *c = PA_NATIVE_CONNECTION(userdata); uint32_t idx; pa_module *m; pa_native_connection_assert_ref(c); pa_assert(t); if (pa_tagstruct_getu32(t, &idx) < 0 || !pa_tagstruct_eof(t)) { protocol_error(c); return; } CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS); m = pa_idxset_get_by_index(c->protocol->core->modules, idx); CHECK_VALIDITY(c->pstream, m, tag, PA_ERR_NOENTITY); pa_module_unload_request(m, FALSE); pa_pstream_send_simple_ack(c->pstream, tag); } static void command_move_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { pa_native_connection *c = PA_NATIVE_CONNECTION(userdata); uint32_t idx = PA_INVALID_INDEX, idx_device = PA_INVALID_INDEX; const char *name_device = NULL; pa_native_connection_assert_ref(c); pa_assert(t); if (pa_tagstruct_getu32(t, &idx) < 0 || pa_tagstruct_getu32(t, &idx_device) < 0 || pa_tagstruct_gets(t, &name_device) < 0 || !pa_tagstruct_eof(t)) { protocol_error(c); return; } CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS); CHECK_VALIDITY(c->pstream, idx != PA_INVALID_INDEX, tag, PA_ERR_INVALID); CHECK_VALIDITY(c->pstream, !name_device || pa_namereg_is_valid_name_or_wildcard(name_device, command == PA_COMMAND_MOVE_SINK_INPUT ? PA_NAMEREG_SINK : PA_NAMEREG_SOURCE), tag, PA_ERR_INVALID); CHECK_VALIDITY(c->pstream, idx_device != PA_INVALID_INDEX || name_device, tag, PA_ERR_INVALID); CHECK_VALIDITY(c->pstream, idx_device == PA_INVALID_INDEX || !name_device, tag, PA_ERR_INVALID); CHECK_VALIDITY(c->pstream, !name_device || idx_device == PA_INVALID_INDEX, tag, PA_ERR_INVALID); if (command == PA_COMMAND_MOVE_SINK_INPUT) { pa_sink_input *si = NULL; pa_sink *sink = NULL; si = pa_idxset_get_by_index(c->protocol->core->sink_inputs, idx); if (idx_device != PA_INVALID_INDEX) sink = pa_idxset_get_by_index(c->protocol->core->sinks, idx_device); else sink = pa_namereg_get(c->protocol->core, name_device, PA_NAMEREG_SINK); CHECK_VALIDITY(c->pstream, si && sink, tag, PA_ERR_NOENTITY); if (pa_sink_input_move_to(si, sink, TRUE) < 0) { pa_pstream_send_error(c->pstream, tag, PA_ERR_INVALID); return; } } else { pa_source_output *so = NULL; pa_source *source; pa_assert(command == PA_COMMAND_MOVE_SOURCE_OUTPUT); so = pa_idxset_get_by_index(c->protocol->core->source_outputs, idx); if (idx_device != PA_INVALID_INDEX) source = pa_idxset_get_by_index(c->protocol->core->sources, idx_device); else source = pa_namereg_get(c->protocol->core, name_device, PA_NAMEREG_SOURCE); CHECK_VALIDITY(c->pstream, so && source, tag, PA_ERR_NOENTITY); if (pa_source_output_move_to(so, source, TRUE) < 0) { pa_pstream_send_error(c->pstream, tag, PA_ERR_INVALID); return; } } pa_pstream_send_simple_ack(c->pstream, tag); } static void command_suspend(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { pa_native_connection *c = PA_NATIVE_CONNECTION(userdata); uint32_t idx = PA_INVALID_INDEX; const char *name = NULL; pa_bool_t b; pa_native_connection_assert_ref(c); pa_assert(t); if (pa_tagstruct_getu32(t, &idx) < 0 || pa_tagstruct_gets(t, &name) < 0 || pa_tagstruct_get_boolean(t, &b) < 0 || !pa_tagstruct_eof(t)) { protocol_error(c); return; } CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS); CHECK_VALIDITY(c->pstream, !name || pa_namereg_is_valid_name_or_wildcard(name, command == PA_COMMAND_SUSPEND_SINK ? PA_NAMEREG_SINK : PA_NAMEREG_SOURCE) || *name == 0, tag, PA_ERR_INVALID); CHECK_VALIDITY(c->pstream, idx != PA_INVALID_INDEX || name, tag, PA_ERR_INVALID); CHECK_VALIDITY(c->pstream, idx == PA_INVALID_INDEX || !name, tag, PA_ERR_INVALID); CHECK_VALIDITY(c->pstream, !name || idx == PA_INVALID_INDEX, tag, PA_ERR_INVALID); if (command == PA_COMMAND_SUSPEND_SINK) { if (idx == PA_INVALID_INDEX && name && !*name) { pa_log_debug("%s all sinks", b ? "Suspending" : "Resuming"); if (pa_sink_suspend_all(c->protocol->core, b, PA_SUSPEND_USER) < 0) { pa_pstream_send_error(c->pstream, tag, PA_ERR_INVALID); return; } } else { pa_sink *sink = NULL; if (idx != PA_INVALID_INDEX) sink = pa_idxset_get_by_index(c->protocol->core->sinks, idx); else sink = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_SINK); CHECK_VALIDITY(c->pstream, sink, tag, PA_ERR_NOENTITY); pa_log_debug("%s of sink %s requested by client %" PRIu32 ".", b ? "Suspending" : "Resuming", sink->name, c->client->index); if (pa_sink_suspend(sink, b, PA_SUSPEND_USER) < 0) { pa_pstream_send_error(c->pstream, tag, PA_ERR_INVALID); return; } } } else { pa_assert(command == PA_COMMAND_SUSPEND_SOURCE); if (idx == PA_INVALID_INDEX && name && !*name) { pa_log_debug("%s all sources", b ? "Suspending" : "Resuming"); if (pa_source_suspend_all(c->protocol->core, b, PA_SUSPEND_USER) < 0) { pa_pstream_send_error(c->pstream, tag, PA_ERR_INVALID); return; } } else { pa_source *source; if (idx != PA_INVALID_INDEX) source = pa_idxset_get_by_index(c->protocol->core->sources, idx); else source = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_SOURCE); CHECK_VALIDITY(c->pstream, source, tag, PA_ERR_NOENTITY); pa_log_debug("%s of source %s requested by client %" PRIu32 ".", b ? "Suspending" : "Resuming", source->name, c->client->index); if (pa_source_suspend(source, b, PA_SUSPEND_USER) < 0) { pa_pstream_send_error(c->pstream, tag, PA_ERR_INVALID); return; } } } pa_pstream_send_simple_ack(c->pstream, tag); } static void command_extension(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { pa_native_connection *c = PA_NATIVE_CONNECTION(userdata); uint32_t idx = PA_INVALID_INDEX; const char *name = NULL; pa_module *m; pa_native_protocol_ext_cb_t cb; pa_native_connection_assert_ref(c); pa_assert(t); if (pa_tagstruct_getu32(t, &idx) < 0 || pa_tagstruct_gets(t, &name) < 0) { protocol_error(c); return; } CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS); CHECK_VALIDITY(c->pstream, !name || pa_utf8_valid(name), tag, PA_ERR_INVALID); CHECK_VALIDITY(c->pstream, idx != PA_INVALID_INDEX || name, tag, PA_ERR_INVALID); CHECK_VALIDITY(c->pstream, idx == PA_INVALID_INDEX || !name, tag, PA_ERR_INVALID); CHECK_VALIDITY(c->pstream, !name || idx == PA_INVALID_INDEX, tag, PA_ERR_INVALID); if (idx != PA_INVALID_INDEX) m = pa_idxset_get_by_index(c->protocol->core->modules, idx); else PA_IDXSET_FOREACH(m, c->protocol->core->modules, idx) if (pa_streq(name, m->name)) break; CHECK_VALIDITY(c->pstream, m, tag, PA_ERR_NOEXTENSION); CHECK_VALIDITY(c->pstream, m->load_once || idx != PA_INVALID_INDEX, tag, PA_ERR_INVALID); cb = (pa_native_protocol_ext_cb_t) (unsigned long) pa_hashmap_get(c->protocol->extensions, m); CHECK_VALIDITY(c->pstream, cb, tag, PA_ERR_NOEXTENSION); if (cb(c->protocol, m, c, tag, t) < 0) protocol_error(c); } static void command_set_card_profile(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { pa_native_connection *c = PA_NATIVE_CONNECTION(userdata); uint32_t idx = PA_INVALID_INDEX; const char *name = NULL, *profile = NULL; pa_card *card = NULL; int ret; pa_native_connection_assert_ref(c); pa_assert(t); if (pa_tagstruct_getu32(t, &idx) < 0 || pa_tagstruct_gets(t, &name) < 0 || pa_tagstruct_gets(t, &profile) < 0 || !pa_tagstruct_eof(t)) { protocol_error(c); return; } CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS); CHECK_VALIDITY(c->pstream, !name || pa_namereg_is_valid_name(name), tag, PA_ERR_INVALID); CHECK_VALIDITY(c->pstream, idx != PA_INVALID_INDEX || name, tag, PA_ERR_INVALID); CHECK_VALIDITY(c->pstream, idx == PA_INVALID_INDEX || !name, tag, PA_ERR_INVALID); CHECK_VALIDITY(c->pstream, !name || idx == PA_INVALID_INDEX, tag, PA_ERR_INVALID); if (idx != PA_INVALID_INDEX) card = pa_idxset_get_by_index(c->protocol->core->cards, idx); else card = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_CARD); CHECK_VALIDITY(c->pstream, card, tag, PA_ERR_NOENTITY); if ((ret = pa_card_set_profile(card, profile, TRUE)) < 0) { pa_pstream_send_error(c->pstream, tag, -ret); return; } pa_pstream_send_simple_ack(c->pstream, tag); } static void command_set_sink_or_source_port(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { pa_native_connection *c = PA_NATIVE_CONNECTION(userdata); uint32_t idx = PA_INVALID_INDEX; const char *name = NULL, *port = NULL; int ret; pa_native_connection_assert_ref(c); pa_assert(t); if (pa_tagstruct_getu32(t, &idx) < 0 || pa_tagstruct_gets(t, &name) < 0 || pa_tagstruct_gets(t, &port) < 0 || !pa_tagstruct_eof(t)) { protocol_error(c); return; } CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS); CHECK_VALIDITY(c->pstream, !name || pa_namereg_is_valid_name_or_wildcard(name, command == PA_COMMAND_SET_SINK_PORT ? PA_NAMEREG_SINK : PA_NAMEREG_SOURCE), tag, PA_ERR_INVALID); CHECK_VALIDITY(c->pstream, (idx != PA_INVALID_INDEX) ^ (name != NULL), tag, PA_ERR_INVALID); CHECK_VALIDITY(c->pstream, port, tag, PA_ERR_INVALID); if (command == PA_COMMAND_SET_SINK_PORT) { pa_sink *sink; if (idx != PA_INVALID_INDEX) sink = pa_idxset_get_by_index(c->protocol->core->sinks, idx); else sink = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_SINK); CHECK_VALIDITY(c->pstream, sink, tag, PA_ERR_NOENTITY); if ((ret = pa_sink_set_port(sink, port, TRUE)) < 0) { pa_pstream_send_error(c->pstream, tag, -ret); return; } } else { pa_source *source; pa_assert(command = PA_COMMAND_SET_SOURCE_PORT); if (idx != PA_INVALID_INDEX) source = pa_idxset_get_by_index(c->protocol->core->sources, idx); else source = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_SOURCE); CHECK_VALIDITY(c->pstream, source, tag, PA_ERR_NOENTITY); if ((ret = pa_source_set_port(source, port, TRUE)) < 0) { pa_pstream_send_error(c->pstream, tag, -ret); return; } } pa_pstream_send_simple_ack(c->pstream, tag); } static void command_set_port_latency_offset(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { pa_native_connection *c = PA_NATIVE_CONNECTION(userdata); const char *port_name, *card_name; uint32_t idx = PA_INVALID_INDEX; int64_t offset; pa_card *card = NULL; pa_device_port *port = NULL; pa_native_connection_assert_ref(c); pa_assert(t); if (pa_tagstruct_getu32(t, &idx) < 0 || pa_tagstruct_gets(t, &card_name) < 0 || pa_tagstruct_gets(t, &port_name) < 0 || pa_tagstruct_gets64(t, &offset) < 0 || !pa_tagstruct_eof(t)) { protocol_error(c); } CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS); CHECK_VALIDITY(c->pstream, !card_name || pa_namereg_is_valid_name(card_name), tag, PA_ERR_INVALID); CHECK_VALIDITY(c->pstream, idx != PA_INVALID_INDEX || card_name, tag, PA_ERR_INVALID); CHECK_VALIDITY(c->pstream, idx == PA_INVALID_INDEX || !card_name, tag, PA_ERR_INVALID); CHECK_VALIDITY(c->pstream, port_name, tag, PA_ERR_INVALID); if (idx != PA_INVALID_INDEX) card = pa_idxset_get_by_index(c->protocol->core->cards, idx); else card = pa_namereg_get(c->protocol->core, card_name, PA_NAMEREG_CARD); CHECK_VALIDITY(c->pstream, card, tag, PA_ERR_NOENTITY); port = pa_hashmap_get(card->ports, port_name); CHECK_VALIDITY(c->pstream, port, tag, PA_ERR_NOENTITY); pa_device_port_set_latency_offset(port, offset); pa_pstream_send_simple_ack(c->pstream, tag); } /*** pstream callbacks ***/ static void pstream_packet_callback(pa_pstream *p, pa_packet *packet, const pa_creds *creds, void *userdata) { pa_native_connection *c = PA_NATIVE_CONNECTION(userdata); pa_assert(p); pa_assert(packet); pa_native_connection_assert_ref(c); if (pa_pdispatch_run(c->pdispatch, packet, creds, c) < 0) { pa_log("invalid packet."); native_connection_unlink(c); } } static void pstream_memblock_callback(pa_pstream *p, uint32_t channel, int64_t offset, pa_seek_mode_t seek, const pa_memchunk *chunk, void *userdata) { pa_native_connection *c = PA_NATIVE_CONNECTION(userdata); output_stream *stream; pa_assert(p); pa_assert(chunk); pa_native_connection_assert_ref(c); if (!(stream = OUTPUT_STREAM(pa_idxset_get_by_index(c->output_streams, channel)))) { pa_log_debug("Client sent block for invalid stream."); /* Ignoring */ return; } #ifdef PROTOCOL_NATIVE_DEBUG pa_log("got %lu bytes from client", (unsigned long) chunk->length); #endif if (playback_stream_isinstance(stream)) { playback_stream *ps = PLAYBACK_STREAM(stream); pa_atomic_inc(&ps->seek_or_post_in_queue); if (chunk->memblock) { if (seek != PA_SEEK_RELATIVE || offset != 0) pa_asyncmsgq_post(ps->sink_input->sink->asyncmsgq, PA_MSGOBJECT(ps->sink_input), SINK_INPUT_MESSAGE_SEEK, PA_UINT_TO_PTR(seek), offset, chunk, NULL); else pa_asyncmsgq_post(ps->sink_input->sink->asyncmsgq, PA_MSGOBJECT(ps->sink_input), SINK_INPUT_MESSAGE_POST_DATA, NULL, 0, chunk, NULL); } else pa_asyncmsgq_post(ps->sink_input->sink->asyncmsgq, PA_MSGOBJECT(ps->sink_input), SINK_INPUT_MESSAGE_SEEK, PA_UINT_TO_PTR(seek), offset+chunk->length, NULL, NULL); } else { upload_stream *u = UPLOAD_STREAM(stream); size_t l; if (!u->memchunk.memblock) { if (u->length == chunk->length && chunk->memblock) { u->memchunk = *chunk; pa_memblock_ref(u->memchunk.memblock); u->length = 0; } else { u->memchunk.memblock = pa_memblock_new(c->protocol->core->mempool, u->length); u->memchunk.index = u->memchunk.length = 0; } } pa_assert(u->memchunk.memblock); l = u->length; if (l > chunk->length) l = chunk->length; if (l > 0) { void *dst; dst = pa_memblock_acquire(u->memchunk.memblock); if (chunk->memblock) { void *src; src = pa_memblock_acquire(chunk->memblock); memcpy((uint8_t*) dst + u->memchunk.index + u->memchunk.length, (uint8_t*) src + chunk->index, l); pa_memblock_release(chunk->memblock); } else pa_silence_memory((uint8_t*) dst + u->memchunk.index + u->memchunk.length, l, &u->sample_spec); pa_memblock_release(u->memchunk.memblock); u->memchunk.length += l; u->length -= l; } } } static void pstream_die_callback(pa_pstream *p, void *userdata) { pa_native_connection *c = PA_NATIVE_CONNECTION(userdata); pa_assert(p); pa_native_connection_assert_ref(c); native_connection_unlink(c); pa_log_info("Connection died."); } static void pstream_drain_callback(pa_pstream *p, void *userdata) { pa_native_connection *c = PA_NATIVE_CONNECTION(userdata); pa_assert(p); pa_native_connection_assert_ref(c); native_connection_send_memblock(c); } static void pstream_revoke_callback(pa_pstream *p, uint32_t block_id, void *userdata) { pa_thread_mq *q; if (!(q = pa_thread_mq_get())) pa_pstream_send_revoke(p, block_id); else pa_asyncmsgq_post(q->outq, PA_MSGOBJECT(userdata), CONNECTION_MESSAGE_REVOKE, PA_UINT_TO_PTR(block_id), 0, NULL, NULL); } static void pstream_release_callback(pa_pstream *p, uint32_t block_id, void *userdata) { pa_thread_mq *q; if (!(q = pa_thread_mq_get())) pa_pstream_send_release(p, block_id); else pa_asyncmsgq_post(q->outq, PA_MSGOBJECT(userdata), CONNECTION_MESSAGE_RELEASE, PA_UINT_TO_PTR(block_id), 0, NULL, NULL); } /*** client callbacks ***/ static void client_kill_cb(pa_client *c) { pa_assert(c); native_connection_unlink(PA_NATIVE_CONNECTION(c->userdata)); pa_log_info("Connection killed."); } static void client_send_event_cb(pa_client *client, const char*event, pa_proplist *pl) { pa_tagstruct *t; pa_native_connection *c; pa_assert(client); c = PA_NATIVE_CONNECTION(client->userdata); pa_native_connection_assert_ref(c); if (c->version < 15) return; t = pa_tagstruct_new(NULL, 0); pa_tagstruct_putu32(t, PA_COMMAND_CLIENT_EVENT); pa_tagstruct_putu32(t, (uint32_t) -1); /* tag */ pa_tagstruct_puts(t, event); pa_tagstruct_put_proplist(t, pl); pa_pstream_send_tagstruct(c->pstream, t); } /*** module entry points ***/ static void auth_timeout(pa_mainloop_api*m, pa_time_event *e, const struct timeval *t, void *userdata) { pa_native_connection *c = PA_NATIVE_CONNECTION(userdata); pa_assert(m); pa_native_connection_assert_ref(c); pa_assert(c->auth_timeout_event == e); if (!c->authorized) { native_connection_unlink(c); pa_log_info("Connection terminated due to authentication timeout."); } } void pa_native_protocol_connect(pa_native_protocol *p, pa_iochannel *io, pa_native_options *o) { pa_native_connection *c; char pname[128]; pa_client *client; pa_client_new_data data; pa_assert(p); pa_assert(io); pa_assert(o); if (pa_idxset_size(p->connections)+1 > MAX_CONNECTIONS) { pa_log_warn("Warning! Too many connections (%u), dropping incoming connection.", MAX_CONNECTIONS); pa_iochannel_free(io); return; } pa_client_new_data_init(&data); data.module = o->module; data.driver = __FILE__; pa_iochannel_socket_peer_to_string(io, pname, sizeof(pname)); pa_proplist_setf(data.proplist, PA_PROP_APPLICATION_NAME, "Native client (%s)", pname); pa_proplist_sets(data.proplist, "native-protocol.peer", pname); client = pa_client_new(p->core, &data); pa_client_new_data_done(&data); if (!client) return; c = pa_msgobject_new(pa_native_connection); c->parent.parent.free = native_connection_free; c->parent.process_msg = native_connection_process_msg; c->protocol = p; c->options = pa_native_options_ref(o); c->authorized = FALSE; if (o->auth_anonymous) { pa_log_info("Client authenticated anonymously."); c->authorized = TRUE; } if (!c->authorized && o->auth_ip_acl && pa_ip_acl_check(o->auth_ip_acl, pa_iochannel_get_recv_fd(io)) > 0) { pa_log_info("Client authenticated by IP ACL."); c->authorized = TRUE; } if (!c->authorized) c->auth_timeout_event = pa_core_rttime_new(p->core, pa_rtclock_now() + AUTH_TIMEOUT, auth_timeout, c); else c->auth_timeout_event = NULL; c->is_local = pa_iochannel_socket_is_local(io); c->version = 8; c->client = client; c->client->kill = client_kill_cb; c->client->send_event = client_send_event_cb; c->client->userdata = c; c->pstream = pa_pstream_new(p->core->mainloop, io, p->core->mempool); pa_pstream_set_receive_packet_callback(c->pstream, pstream_packet_callback, c); pa_pstream_set_receive_memblock_callback(c->pstream, pstream_memblock_callback, c); pa_pstream_set_die_callback(c->pstream, pstream_die_callback, c); pa_pstream_set_drain_callback(c->pstream, pstream_drain_callback, c); pa_pstream_set_revoke_callback(c->pstream, pstream_revoke_callback, c); pa_pstream_set_release_callback(c->pstream, pstream_release_callback, c); c->pdispatch = pa_pdispatch_new(p->core->mainloop, TRUE, command_table, PA_COMMAND_MAX); c->record_streams = pa_idxset_new(NULL, NULL); c->output_streams = pa_idxset_new(NULL, NULL); c->rrobin_index = PA_IDXSET_INVALID; c->subscription = NULL; pa_idxset_put(p->connections, c, NULL); #ifdef HAVE_CREDS if (pa_iochannel_creds_supported(io)) pa_iochannel_creds_enable(io); #endif pa_hook_fire(&p->hooks[PA_NATIVE_HOOK_CONNECTION_PUT], c); } void pa_native_protocol_disconnect(pa_native_protocol *p, pa_module *m) { pa_native_connection *c; void *state = NULL; pa_assert(p); pa_assert(m); while ((c = pa_idxset_iterate(p->connections, &state, NULL))) if (c->options->module == m) native_connection_unlink(c); } static pa_native_protocol* native_protocol_new(pa_core *c) { pa_native_protocol *p; pa_native_hook_t h; pa_assert(c); p = pa_xnew(pa_native_protocol, 1); PA_REFCNT_INIT(p); p->core = c; p->connections = pa_idxset_new(NULL, NULL); p->servers = NULL; p->extensions = pa_hashmap_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func); for (h = 0; h < PA_NATIVE_HOOK_MAX; h++) pa_hook_init(&p->hooks[h], p); pa_assert_se(pa_shared_set(c, "native-protocol", p) >= 0); return p; } pa_native_protocol* pa_native_protocol_get(pa_core *c) { pa_native_protocol *p; if ((p = pa_shared_get(c, "native-protocol"))) return pa_native_protocol_ref(p); return native_protocol_new(c); } pa_native_protocol* pa_native_protocol_ref(pa_native_protocol *p) { pa_assert(p); pa_assert(PA_REFCNT_VALUE(p) >= 1); PA_REFCNT_INC(p); return p; } void pa_native_protocol_unref(pa_native_protocol *p) { pa_native_connection *c; pa_native_hook_t h; pa_assert(p); pa_assert(PA_REFCNT_VALUE(p) >= 1); if (PA_REFCNT_DEC(p) > 0) return; while ((c = pa_idxset_first(p->connections, NULL))) native_connection_unlink(c); pa_idxset_free(p->connections, NULL); pa_strlist_free(p->servers); for (h = 0; h < PA_NATIVE_HOOK_MAX; h++) pa_hook_done(&p->hooks[h]); pa_hashmap_free(p->extensions, NULL); pa_assert_se(pa_shared_remove(p->core, "native-protocol") >= 0); pa_xfree(p); } void pa_native_protocol_add_server_string(pa_native_protocol *p, const char *name) { pa_assert(p); pa_assert(PA_REFCNT_VALUE(p) >= 1); pa_assert(name); p->servers = pa_strlist_prepend(p->servers, name); pa_hook_fire(&p->hooks[PA_NATIVE_HOOK_SERVERS_CHANGED], p->servers); } void pa_native_protocol_remove_server_string(pa_native_protocol *p, const char *name) { pa_assert(p); pa_assert(PA_REFCNT_VALUE(p) >= 1); pa_assert(name); p->servers = pa_strlist_remove(p->servers, name); pa_hook_fire(&p->hooks[PA_NATIVE_HOOK_SERVERS_CHANGED], p->servers); } pa_hook *pa_native_protocol_hooks(pa_native_protocol *p) { pa_assert(p); pa_assert(PA_REFCNT_VALUE(p) >= 1); return p->hooks; } pa_strlist *pa_native_protocol_servers(pa_native_protocol *p) { pa_assert(p); pa_assert(PA_REFCNT_VALUE(p) >= 1); return p->servers; } int pa_native_protocol_install_ext(pa_native_protocol *p, pa_module *m, pa_native_protocol_ext_cb_t cb) { pa_assert(p); pa_assert(PA_REFCNT_VALUE(p) >= 1); pa_assert(m); pa_assert(cb); pa_assert(!pa_hashmap_get(p->extensions, m)); pa_assert_se(pa_hashmap_put(p->extensions, m, (void*) (unsigned long) cb) == 0); return 0; } void pa_native_protocol_remove_ext(pa_native_protocol *p, pa_module *m) { pa_assert(p); pa_assert(PA_REFCNT_VALUE(p) >= 1); pa_assert(m); pa_assert_se(pa_hashmap_remove(p->extensions, m)); } pa_native_options* pa_native_options_new(void) { pa_native_options *o; o = pa_xnew0(pa_native_options, 1); PA_REFCNT_INIT(o); return o; } pa_native_options* pa_native_options_ref(pa_native_options *o) { pa_assert(o); pa_assert(PA_REFCNT_VALUE(o) >= 1); PA_REFCNT_INC(o); return o; } void pa_native_options_unref(pa_native_options *o) { pa_assert(o); pa_assert(PA_REFCNT_VALUE(o) >= 1); if (PA_REFCNT_DEC(o) > 0) return; pa_xfree(o->auth_group); if (o->auth_ip_acl) pa_ip_acl_free(o->auth_ip_acl); if (o->auth_cookie) pa_auth_cookie_unref(o->auth_cookie); pa_xfree(o); } int pa_native_options_parse(pa_native_options *o, pa_core *c, pa_modargs *ma) { pa_bool_t enabled; const char *acl; pa_assert(o); pa_assert(PA_REFCNT_VALUE(o) >= 1); pa_assert(ma); if (pa_modargs_get_value_boolean(ma, "auth-anonymous", &o->auth_anonymous) < 0) { pa_log("auth-anonymous= expects a boolean argument."); return -1; } enabled = TRUE; if (pa_modargs_get_value_boolean(ma, "auth-group-enable", &enabled) < 0) { pa_log("auth-group-enable= expects a boolean argument."); return -1; } pa_xfree(o->auth_group); o->auth_group = enabled ? pa_xstrdup(pa_modargs_get_value(ma, "auth-group", pa_in_system_mode() ? PA_ACCESS_GROUP : NULL)) : NULL; #ifndef HAVE_CREDS if (o->auth_group) pa_log_warn("Authentication group configured, but not available on local system. Ignoring."); #endif if ((acl = pa_modargs_get_value(ma, "auth-ip-acl", NULL))) { pa_ip_acl *ipa; if (!(ipa = pa_ip_acl_new(acl))) { pa_log("Failed to parse IP ACL '%s'", acl); return -1; } if (o->auth_ip_acl) pa_ip_acl_free(o->auth_ip_acl); o->auth_ip_acl = ipa; } enabled = TRUE; if (pa_modargs_get_value_boolean(ma, "auth-cookie-enabled", &enabled) < 0) { pa_log("auth-cookie-enabled= expects a boolean argument."); return -1; } if (o->auth_cookie) pa_auth_cookie_unref(o->auth_cookie); if (enabled) { const char *cn; /* The new name for this is 'auth-cookie', for compat reasons * we check the old name too */ cn = pa_modargs_get_value(ma, "auth-cookie", NULL); if (!cn) cn = pa_modargs_get_value(ma, "cookie", NULL); if (cn) o->auth_cookie = pa_auth_cookie_get(c, cn, TRUE, PA_NATIVE_COOKIE_LENGTH); else { o->auth_cookie = pa_auth_cookie_get(c, PA_NATIVE_COOKIE_FILE, FALSE, PA_NATIVE_COOKIE_LENGTH); if (!o->auth_cookie) { o->auth_cookie = pa_auth_cookie_get(c, PA_NATIVE_COOKIE_FILE_FALLBACK, FALSE, PA_NATIVE_COOKIE_LENGTH); if (!o->auth_cookie) o->auth_cookie = pa_auth_cookie_get(c, PA_NATIVE_COOKIE_FILE, TRUE, PA_NATIVE_COOKIE_LENGTH); } } if (!o->auth_cookie) return -1; } else o->auth_cookie = NULL; return 0; } pa_pstream* pa_native_connection_get_pstream(pa_native_connection *c) { pa_native_connection_assert_ref(c); return c->pstream; } pa_client* pa_native_connection_get_client(pa_native_connection *c) { pa_native_connection_assert_ref(c); return c->client; }