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#ifndef foointernalhfoo
#define foointernalhfoo
/***
This file is part of PulseAudio.
Copyright 2004-2006 Lennart Poettering
Copyright 2006 Pierre Ossman <ossman@cendio.se> 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, see <http://www.gnu.org/licenses/>.
***/
#include <pulse/mainloop-api.h>
#include <pulse/context.h>
#include <pulse/stream.h>
#include <pulse/operation.h>
#include <pulse/subscribe.h>
#include <pulse/ext-device-manager.h>
#include <pulse/ext-device-restore.h>
#include <pulse/ext-stream-restore.h>
#include <pulsecore/socket-client.h>
#include <pulsecore/pstream.h>
#include <pulsecore/pdispatch.h>
#include <pulsecore/llist.h>
#include <pulsecore/native-common.h>
#include <pulsecore/strlist.h>
#include <pulsecore/mcalign.h>
#include <pulsecore/memblockq.h>
#include <pulsecore/hashmap.h>
#include <pulsecore/refcnt.h>
#include <pulsecore/time-smoother.h>
#ifdef HAVE_DBUS
#include <pulsecore/dbus-util.h>
#endif
#include "client-conf.h"
#define DEFAULT_TIMEOUT (30)
#define PA_PROTOCOL_FLAG_MASK 0xFFFF0000U
#define PA_PROTOCOL_VERSION_MASK 0x0000FFFFU
#define PA_PROTOCOL_FLAG_SHM 0x80000000U
#define PA_PROTOCOL_FLAG_MEMFD 0x40000000U
struct pa_context {
PA_REFCNT_DECLARE;
#ifdef HAVE_DBUS
pa_dbus_wrap_connection *system_bus;
pa_dbus_wrap_connection *session_bus;
#endif
pa_proplist *proplist;
pa_mainloop_api* mainloop;
pa_socket_client *client;
pa_pstream *pstream;
pa_pdispatch *pdispatch;
pa_srbchannel_template srb_template;
uint32_t srb_setup_tag;
pa_hashmap *record_streams, *playback_streams;
PA_LLIST_HEAD(pa_stream, streams);
PA_LLIST_HEAD(pa_operation, operations);
uint32_t version;
uint32_t ctag;
uint32_t csyncid;
int error;
pa_context_state_t state;
pa_context_notify_cb_t state_callback;
void *state_userdata;
pa_context_subscribe_cb_t subscribe_callback;
void *subscribe_userdata;
pa_context_event_cb_t event_callback;
void *event_userdata;
pa_mempool *mempool;
bool is_local:1;
bool do_shm:1;
bool memfd_on_local:1;
bool server_specified:1;
bool no_fail:1;
bool do_autospawn:1;
bool use_rtclock:1;
bool filter_added:1;
pa_spawn_api spawn_api;
pa_mem_type_t shm_type;
pa_strlist *server_list;
char *server;
pa_client_conf *conf;
uint32_t client_index;
/* Extension specific data */
struct {
pa_ext_device_manager_subscribe_cb_t callback;
void *userdata;
} ext_device_manager;
struct {
pa_ext_device_restore_subscribe_cb_t callback;
void *userdata;
} ext_device_restore;
struct {
pa_ext_stream_restore_subscribe_cb_t callback;
void *userdata;
} ext_stream_restore;
};
#define PA_MAX_WRITE_INDEX_CORRECTIONS 32
typedef struct pa_index_correction {
uint32_t tag;
int64_t value;
bool valid:1;
bool absolute:1;
bool corrupt:1;
} pa_index_correction;
#define PA_MAX_FORMATS (PA_ENCODING_MAX)
struct pa_stream {
PA_REFCNT_DECLARE;
PA_LLIST_FIELDS(pa_stream);
pa_context *context;
pa_mainloop_api *mainloop;
uint32_t direct_on_input;
pa_stream_direction_t direction;
pa_stream_state_t state;
pa_stream_flags_t flags;
pa_sample_spec sample_spec;
pa_channel_map channel_map;
uint8_t n_formats;
pa_format_info *req_formats[PA_MAX_FORMATS];
pa_format_info *format;
pa_proplist *proplist;
bool channel_valid:1;
bool suspended:1;
bool corked:1;
bool timing_info_valid:1;
bool auto_timing_update_requested:1;
uint32_t channel;
uint32_t syncid;
uint32_t stream_index;
int64_t requested_bytes;
pa_buffer_attr buffer_attr;
uint32_t device_index;
char *device_name;
/* playback */
pa_memblock *write_memblock;
void *write_data;
int64_t latest_underrun_at_index;
/* recording */
pa_memchunk peek_memchunk;
void *peek_data;
pa_memblockq *record_memblockq;
/* Store latest latency info */
pa_timing_info timing_info;
/* Use to make sure that time advances monotonically */
pa_usec_t previous_time;
/* time updates with tags older than these are invalid */
uint32_t write_index_not_before;
uint32_t read_index_not_before;
/* Data about individual timing update corrections */
pa_index_correction write_index_corrections[PA_MAX_WRITE_INDEX_CORRECTIONS];
int current_write_index_correction;
/* Latency interpolation stuff */
pa_time_event *auto_timing_update_event;
pa_usec_t auto_timing_interval_usec;
pa_smoother *smoother;
/* Callbacks */
pa_stream_notify_cb_t state_callback;
void *state_userdata;
pa_stream_request_cb_t read_callback;
void *read_userdata;
pa_stream_request_cb_t write_callback;
void *write_userdata;
pa_stream_notify_cb_t overflow_callback;
void *overflow_userdata;
pa_stream_notify_cb_t underflow_callback;
void *underflow_userdata;
pa_stream_notify_cb_t latency_update_callback;
void *latency_update_userdata;
pa_stream_notify_cb_t moved_callback;
void *moved_userdata;
pa_stream_notify_cb_t suspended_callback;
void *suspended_userdata;
pa_stream_notify_cb_t started_callback;
void *started_userdata;
pa_stream_event_cb_t event_callback;
void *event_userdata;
pa_stream_notify_cb_t buffer_attr_callback;
void *buffer_attr_userdata;
};
typedef void (*pa_operation_cb_t)(void);
struct pa_operation {
PA_REFCNT_DECLARE;
pa_context *context;
pa_stream *stream;
PA_LLIST_FIELDS(pa_operation);
pa_operation_state_t state;
void *userdata;
pa_operation_cb_t callback;
void *state_userdata;
pa_operation_notify_cb_t state_callback;
void *private; /* some operations might need this */
};
void pa_command_request(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
void pa_command_stream_killed(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
void pa_command_subscribe_event(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
void pa_command_overflow_or_underflow(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
void pa_command_stream_suspended(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
void pa_command_stream_moved(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
void pa_command_stream_started(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
void pa_command_stream_event(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
void pa_command_client_event(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
void pa_command_stream_buffer_attr(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
pa_operation *pa_operation_new(pa_context *c, pa_stream *s, pa_operation_cb_t callback, void *userdata);
void pa_operation_done(pa_operation *o);
void pa_create_stream_callback(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
void pa_stream_disconnect_callback(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
void pa_context_simple_ack_callback(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
void pa_stream_simple_ack_callback(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
void pa_context_fail(pa_context *c, int error);
int pa_context_set_error(pa_context *c, int error);
void pa_context_set_state(pa_context *c, pa_context_state_t st);
int pa_context_handle_error(pa_context *c, uint32_t command, pa_tagstruct *t, bool fail);
pa_operation* pa_context_send_simple_command(pa_context *c, uint32_t command, void (*internal_callback)(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata), void (*cb)(void), void *userdata);
void pa_stream_set_state(pa_stream *s, pa_stream_state_t st);
pa_tagstruct *pa_tagstruct_command(pa_context *c, uint32_t command, uint32_t *tag);
#define PA_CHECK_VALIDITY(context, expression, error) \
do { \
if (!(expression)) \
return -pa_context_set_error((context), (error)); \
} while(false)
#define PA_CHECK_VALIDITY_RETURN_ANY(context, expression, error, value) \
do { \
if (!(expression)) { \
pa_context_set_error((context), (error)); \
return value; \
} \
} while(false)
#define PA_CHECK_VALIDITY_RETURN_NULL(context, expression, error) \
PA_CHECK_VALIDITY_RETURN_ANY(context, expression, error, NULL)
#define PA_FAIL(context, error) \
do { \
return -pa_context_set_error((context), (error)); \
} while(false)
#define PA_FAIL_RETURN_ANY(context, error, value) \
do { \
pa_context_set_error((context), (error)); \
return value; \
} while(false)
#define PA_FAIL_RETURN_NULL(context, error) \
PA_FAIL_RETURN_ANY(context, error, NULL)
void pa_ext_device_manager_command(pa_context *c, uint32_t tag, pa_tagstruct *t);
void pa_ext_device_restore_command(pa_context *c, uint32_t tag, pa_tagstruct *t);
void pa_ext_stream_restore_command(pa_context *c, uint32_t tag, pa_tagstruct *t);
bool pa_mainloop_is_our_api(pa_mainloop_api*m);
#endif
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