diff options
Diffstat (limited to 'src/pulsecore/sink.c')
| -rw-r--r-- | src/pulsecore/sink.c | 984 |
1 files changed, 734 insertions, 250 deletions
diff --git a/src/pulsecore/sink.c b/src/pulsecore/sink.c index 9588c2c3d..dccb34cc0 100644 --- a/src/pulsecore/sink.c +++ b/src/pulsecore/sink.c @@ -27,7 +27,6 @@ #endif #include <stdlib.h> -#include <assert.h> #include <string.h> #include <stdio.h> @@ -41,16 +40,18 @@ #include <pulsecore/sample-util.h> #include <pulsecore/core-subscribe.h> #include <pulsecore/log.h> +#include <pulsecore/macro.h> +#include <pulsecore/play-memblockq.h> #include "sink.h" #define MAX_MIX_CHANNELS 32 +#define MIX_BUFFER_LENGTH (PA_PAGE_SIZE) +#define SILENCE_BUFFER_LENGTH (PA_PAGE_SIZE*12) -#define CHECK_VALIDITY_RETURN_NULL(condition) \ -do {\ -if (!(condition)) \ - return NULL; \ -} while (0) +static PA_DEFINE_CHECK_TYPE(pa_sink, pa_msgobject); + +static void sink_free(pa_object *s); pa_sink* pa_sink_new( pa_core *core, @@ -63,68 +64,71 @@ pa_sink* pa_sink_new( pa_sink *s; char *n = NULL; char st[256]; - int r; pa_channel_map tmap; - assert(core); - assert(name); - assert(spec); + pa_assert(core); + pa_assert(name); + pa_assert(spec); - CHECK_VALIDITY_RETURN_NULL(pa_sample_spec_valid(spec)); + pa_return_null_if_fail(pa_sample_spec_valid(spec)); if (!map) map = pa_channel_map_init_auto(&tmap, spec->channels, PA_CHANNEL_MAP_DEFAULT); - CHECK_VALIDITY_RETURN_NULL(map && pa_channel_map_valid(map)); - CHECK_VALIDITY_RETURN_NULL(map->channels == spec->channels); - CHECK_VALIDITY_RETURN_NULL(!driver || pa_utf8_valid(driver)); - CHECK_VALIDITY_RETURN_NULL(pa_utf8_valid(name) && *name); + pa_return_null_if_fail(map && pa_channel_map_valid(map)); + pa_return_null_if_fail(map->channels == spec->channels); + pa_return_null_if_fail(!driver || pa_utf8_valid(driver)); + pa_return_null_if_fail(name && pa_utf8_valid(name) && *name); - s = pa_xnew(pa_sink, 1); + s = pa_msgobject_new(pa_sink); if (!(name = pa_namereg_register(core, name, PA_NAMEREG_SINK, s, fail))) { pa_xfree(s); return NULL; } - s->ref = 1; + s->parent.parent.free = sink_free; + s->parent.process_msg = pa_sink_process_msg; + s->core = core; - s->state = PA_SINK_RUNNING; + s->state = PA_SINK_INIT; + s->flags = 0; s->name = pa_xstrdup(name); s->description = NULL; s->driver = pa_xstrdup(driver); - s->owner = NULL; + s->module = NULL; s->sample_spec = *spec; s->channel_map = *map; s->inputs = pa_idxset_new(NULL, NULL); + s->n_corked = 0; - pa_cvolume_reset(&s->sw_volume, spec->channels); - pa_cvolume_reset(&s->hw_volume, spec->channels); - s->sw_muted = 0; - s->hw_muted = 0; - - s->is_hardware = 0; + pa_cvolume_reset(&s->volume, spec->channels); + s->muted = FALSE; + s->refresh_volume = s->refresh_mute = FALSE; s->get_latency = NULL; - s->notify = NULL; - s->set_hw_volume = NULL; - s->get_hw_volume = NULL; - s->set_hw_mute = NULL; - s->get_hw_mute = NULL; + s->set_volume = NULL; + s->get_volume = NULL; + s->set_mute = NULL; + s->get_mute = NULL; + s->set_state = NULL; s->userdata = NULL; - r = pa_idxset_put(core->sinks, s, &s->index); - assert(s->index != PA_IDXSET_INVALID && r >= 0); + s->asyncmsgq = NULL; + s->rtpoll = NULL; + s->silence = NULL; + + pa_assert_se(pa_idxset_put(core->sinks, s, &s->index) >= 0); pa_sample_spec_snprint(st, sizeof(st), spec); - pa_log_info("created %u \"%s\" with sample spec \"%s\"", s->index, s->name, st); + pa_log_info("Created sink %u \"%s\" with sample spec \"%s\"", s->index, s->name, st); n = pa_sprintf_malloc("%s.monitor", name); if (!(s->monitor_source = pa_source_new(core, driver, n, 0, spec, map))) - pa_log_warn("failed to create monitor source."); + pa_log_warn("Failed to create monitor source."); else { char *d; s->monitor_source->monitor_of = s; @@ -135,51 +139,124 @@ pa_sink* pa_sink_new( pa_xfree(n); - pa_subscription_post(core, PA_SUBSCRIPTION_EVENT_SINK | PA_SUBSCRIPTION_EVENT_NEW, s->index); + s->thread_info.inputs = pa_hashmap_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func); + s->thread_info.soft_volume = s->volume; + s->thread_info.soft_muted = s->muted; + s->thread_info.state = s->state; return s; } -void pa_sink_disconnect(pa_sink* s) { +static int sink_set_state(pa_sink *s, pa_sink_state_t state) { + int ret; + + pa_assert(s); + + if (s->state == state) + return 0; + + if ((s->state == PA_SINK_SUSPENDED && PA_SINK_OPENED(state)) || + (PA_SINK_OPENED(s->state) && state == PA_SINK_SUSPENDED)) { + pa_sink_input *i; + uint32_t idx; + + /* We're suspending or resuming, tell everyone about it */ + + for (i = PA_SINK_INPUT(pa_idxset_first(s->inputs, &idx)); i; i = PA_SINK_INPUT(pa_idxset_next(s->inputs, &idx))) + if (i->suspend) + i->suspend(i, state == PA_SINK_SUSPENDED); + } + + if (s->set_state) + if ((ret = s->set_state(s, state)) < 0) + return -1; + + if (pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_STATE, PA_UINT_TO_PTR(state), 0, NULL) < 0) + return -1; + + s->state = state; + + if (state != PA_SINK_UNLINKED) /* if we enter UNLINKED state pa_sink_unlink() will fire the apropriate events */ + pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_STATE_CHANGED], s); + return 0; +} + +void pa_sink_put(pa_sink* s) { + pa_sink_assert_ref(s); + + pa_assert(s->state == PA_SINK_INIT); + pa_assert(s->asyncmsgq); + pa_assert(s->rtpoll); + + pa_assert_se(sink_set_state(s, PA_SINK_IDLE) == 0); + + pa_source_put(s->monitor_source); + + pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK | PA_SUBSCRIPTION_EVENT_NEW, s->index); + pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_NEW_POST], s); +} + +void pa_sink_unlink(pa_sink* s) { + pa_bool_t linked; pa_sink_input *i, *j = NULL; - assert(s); - assert(s->state == PA_SINK_RUNNING); + pa_assert(s); + + /* Please note that pa_sink_unlink() does more than simply + * reversing pa_sink_put(). It also undoes the registrations + * already done in pa_sink_new()! */ - s->state = PA_SINK_DISCONNECTED; - pa_namereg_unregister(s->core, s->name); + /* All operations here shall be idempotent, i.e. pa_sink_unlink() + * may be called multiple times on the same sink without bad + * effects. */ - pa_hook_fire(&s->core->hook_sink_disconnect, s); + linked = PA_SINK_LINKED(s->state); + + if (linked) + pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_UNLINK], s); + + if (s->state != PA_SINK_UNLINKED) + pa_namereg_unregister(s->core, s->name); + pa_idxset_remove_by_data(s->core->sinks, s, NULL); while ((i = pa_idxset_first(s->inputs, NULL))) { - assert(i != j); + pa_assert(i != j); pa_sink_input_kill(i); j = i; } - if (s->monitor_source) - pa_source_disconnect(s->monitor_source); - - pa_idxset_remove_by_data(s->core->sinks, s, NULL); + if (linked) + sink_set_state(s, PA_SINK_UNLINKED); + else + s->state = PA_SINK_UNLINKED; s->get_latency = NULL; - s->notify = NULL; - s->get_hw_volume = NULL; - s->set_hw_volume = NULL; - s->set_hw_mute = NULL; - s->get_hw_mute = NULL; + s->get_volume = NULL; + s->set_volume = NULL; + s->set_mute = NULL; + s->get_mute = NULL; + s->set_state = NULL; - pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK | PA_SUBSCRIPTION_EVENT_REMOVE, s->index); + if (s->monitor_source) + pa_source_unlink(s->monitor_source); + + if (linked) { + pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK | PA_SUBSCRIPTION_EVENT_REMOVE, s->index); + pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_UNLINK_POST], s); + } } -static void sink_free(pa_sink *s) { - assert(s); - assert(!s->ref); +static void sink_free(pa_object *o) { + pa_sink *s = PA_SINK(o); + pa_sink_input *i; + + pa_assert(s); + pa_assert(pa_sink_refcnt(s) == 0); - if (s->state != PA_SINK_DISCONNECTED) - pa_sink_disconnect(s); + if (PA_SINK_LINKED(s->state)) + pa_sink_unlink(s); - pa_log_info("freed %u \"%s\"", s->index, s->name); + pa_log_info("Freeing sink %u \"%s\"", s->index, s->name); if (s->monitor_source) { pa_source_unref(s->monitor_source); @@ -188,108 +265,192 @@ static void sink_free(pa_sink *s) { pa_idxset_free(s->inputs, NULL, NULL); + while ((i = pa_hashmap_steal_first(s->thread_info.inputs))) + pa_sink_input_unref(i); + + pa_hashmap_free(s->thread_info.inputs, NULL, NULL); + + if (s->silence) + pa_memblock_unref(s->silence); + pa_xfree(s->name); pa_xfree(s->description); pa_xfree(s->driver); pa_xfree(s); } -void pa_sink_unref(pa_sink*s) { - assert(s); - assert(s->ref >= 1); +void pa_sink_set_asyncmsgq(pa_sink *s, pa_asyncmsgq *q) { + pa_sink_assert_ref(s); + pa_assert(q); + + s->asyncmsgq = q; - if (!(--s->ref)) - sink_free(s); + if (s->monitor_source) + pa_source_set_asyncmsgq(s->monitor_source, q); } -pa_sink* pa_sink_ref(pa_sink *s) { - assert(s); - assert(s->ref >= 1); +void pa_sink_set_rtpoll(pa_sink *s, pa_rtpoll *p) { + pa_sink_assert_ref(s); + pa_assert(p); - s->ref++; - return s; + s->rtpoll = p; + if (s->monitor_source) + pa_source_set_rtpoll(s->monitor_source, p); +} + +int pa_sink_update_status(pa_sink*s) { + pa_sink_assert_ref(s); + pa_assert(PA_SINK_LINKED(s->state)); + + if (s->state == PA_SINK_SUSPENDED) + return 0; + + return sink_set_state(s, pa_sink_used_by(s) ? PA_SINK_RUNNING : PA_SINK_IDLE); +} + +int pa_sink_suspend(pa_sink *s, pa_bool_t suspend) { + pa_sink_assert_ref(s); + pa_assert(PA_SINK_LINKED(s->state)); + + if (suspend) + return sink_set_state(s, PA_SINK_SUSPENDED); + else + return sink_set_state(s, pa_sink_used_by(s) ? PA_SINK_RUNNING : PA_SINK_IDLE); } -void pa_sink_notify(pa_sink*s) { - assert(s); - assert(s->ref >= 1); +void pa_sink_ping(pa_sink *s) { + pa_sink_assert_ref(s); + pa_assert(PA_SINK_LINKED(s->state)); - if (s->notify) - s->notify(s); + pa_asyncmsgq_post(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_PING, NULL, 0, NULL, NULL); } -static unsigned fill_mix_info(pa_sink *s, pa_mix_info *info, unsigned maxinfo) { - uint32_t idx = PA_IDXSET_INVALID; +static unsigned fill_mix_info(pa_sink *s, size_t length, pa_mix_info *info, unsigned maxinfo) { pa_sink_input *i; unsigned n = 0; + void *state = NULL; - assert(s); - assert(s->ref >= 1); - assert(info); + pa_sink_assert_ref(s); + pa_assert(info); - for (i = pa_idxset_first(s->inputs, &idx); maxinfo > 0 && i; i = pa_idxset_next(s->inputs, &idx)) { - /* Increase ref counter, to make sure that this input doesn't - * vanish while we still need it */ - pa_sink_input_ref(i); + while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL)) && maxinfo > 0) { + pa_sink_input_assert_ref(i); - if (pa_sink_input_peek(i, &info->chunk, &info->volume) < 0) { - pa_sink_input_unref(i); + if (pa_sink_input_peek(i, length, &info->chunk, &info->volume) < 0) continue; - } - info->userdata = i; + info->userdata = pa_sink_input_ref(i); - assert(info->chunk.memblock); - assert(info->chunk.memblock->data); - assert(info->chunk.length); + pa_assert(info->chunk.memblock); + pa_assert(info->chunk.length > 0); info++; - maxinfo--; n++; + maxinfo--; } return n; } -static void inputs_drop(pa_sink *s, pa_mix_info *info, unsigned maxinfo, size_t length) { - assert(s); - assert(s->ref >= 1); - assert(info); +static void inputs_drop(pa_sink *s, pa_mix_info *info, unsigned n, size_t length) { + pa_sink_input *i; + void *state = NULL; + unsigned p = 0; + unsigned n_unreffed = 0; + + pa_sink_assert_ref(s); + + /* We optimize for the case where the order of the inputs has not changed */ + + while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL))) { + unsigned j; + pa_mix_info* m; + + pa_sink_input_assert_ref(i); - for (; maxinfo > 0; maxinfo--, info++) { - pa_sink_input *i = info->userdata; + m = NULL; - assert(i); - assert(info->chunk.memblock); + /* Let's try to find the matching entry info the pa_mix_info array */ + for (j = 0; j < n; j ++) { + + if (info[p].userdata == i) { + m = info + p; + break; + } + + p++; + if (p >= n) + p = 0; + } /* Drop read data */ - pa_sink_input_drop(i, &info->chunk, length); - pa_memblock_unref(info->chunk.memblock); + pa_sink_input_drop(i, length); - /* Decrease ref counter */ - pa_sink_input_unref(i); - info->userdata = NULL; + if (m) { + pa_sink_input_unref(m->userdata); + m->userdata = NULL; + if (m->chunk.memblock) + pa_memblock_unref(m->chunk.memblock); + pa_memchunk_reset(&m->chunk); + + n_unreffed += 1; + } + } + + /* Now drop references to entries that are included in the + * pa_mix_info array but don't exist anymore */ + + if (n_unreffed < n) { + for (; n > 0; info++, n--) { + if (info->userdata) + pa_sink_input_unref(info->userdata); + if (info->chunk.memblock) + pa_memblock_unref(info->chunk.memblock); + } } } -int pa_sink_render(pa_sink*s, size_t length, pa_memchunk *result) { +void pa_sink_render(pa_sink*s, size_t length, pa_memchunk *result) { pa_mix_info info[MAX_MIX_CHANNELS]; unsigned n; - int r = -1; + size_t block_size_max; - assert(s); - assert(s->ref >= 1); - assert(length); - assert(result); + pa_sink_assert_ref(s); + pa_assert(PA_SINK_OPENED(s->thread_info.state)); + pa_assert(pa_frame_aligned(length, &s->sample_spec)); + pa_assert(result); pa_sink_ref(s); - n = fill_mix_info(s, info, MAX_MIX_CHANNELS); + if (length <= 0) + length = pa_frame_align(MIX_BUFFER_LENGTH, &s->sample_spec); + + block_size_max = pa_mempool_block_size_max(s->core->mempool); + if (length > block_size_max) + length = pa_frame_align(block_size_max, &s->sample_spec); + + pa_assert(length > 0); + + n = s->thread_info.state == PA_SINK_RUNNING ? fill_mix_info(s, length, info, MAX_MIX_CHANNELS) : 0; + + if (n == 0) { + + if (length > SILENCE_BUFFER_LENGTH) + length = pa_frame_align(SILENCE_BUFFER_LENGTH, &s->sample_spec); - if (n <= 0) - goto finish; + pa_assert(length > 0); - if (n == 1) { + if (!s->silence || pa_memblock_get_length(s->silence) < length) { + if (s->silence) + pa_memblock_unref(s->silence); + s->silence = pa_silence_memblock_new(s->core->mempool, &s->sample_spec, length); + } + + result->memblock = pa_memblock_ref(s->silence); + result->length = length; + result->index = 0; + + } else if (n == 1) { pa_cvolume volume; *result = info[0].chunk; @@ -298,105 +459,112 @@ int pa_sink_render(pa_sink*s, size_t length, pa_memchunk *result) { if (result->length > length) result->length = length; - pa_sw_cvolume_multiply(&volume, &s->sw_volume, &info[0].volume); + pa_sw_cvolume_multiply(&volume, &s->thread_info.soft_volume, &info[0].volume); - if (s->sw_muted || !pa_cvolume_is_norm(&volume)) { + if (s->thread_info.soft_muted || !pa_cvolume_is_norm(&volume)) { pa_memchunk_make_writable(result, 0); - if (s->sw_muted) + if (s->thread_info.soft_muted || pa_cvolume_is_muted(&volume)) pa_silence_memchunk(result, &s->sample_spec); else pa_volume_memchunk(result, &s->sample_spec, &volume); } } else { + void *ptr; result->memblock = pa_memblock_new(s->core->mempool, length); - assert(result->memblock); -/* pa_log("mixing %i", n); */ + ptr = pa_memblock_acquire(result->memblock); + result->length = pa_mix(info, n, ptr, length, &s->sample_spec, &s->thread_info.soft_volume, s->thread_info.soft_muted); + pa_memblock_release(result->memblock); - result->length = pa_mix(info, n, result->memblock->data, length, - &s->sample_spec, &s->sw_volume, s->sw_muted); result->index = 0; } - inputs_drop(s, info, n, result->length); + if (s->thread_info.state == PA_SINK_RUNNING) + inputs_drop(s, info, n, result->length); - if (s->monitor_source) + if (s->monitor_source && PA_SOURCE_OPENED(pa_source_get_state(s->monitor_source))) pa_source_post(s->monitor_source, result); - r = 0; - -finish: pa_sink_unref(s); - - return r; } -int pa_sink_render_into(pa_sink*s, pa_memchunk *target) { +void pa_sink_render_into(pa_sink*s, pa_memchunk *target) { pa_mix_info info[MAX_MIX_CHANNELS]; unsigned n; - int r = -1; - assert(s); - assert(s->ref >= 1); - assert(target); - assert(target->memblock); - assert(target->length); - assert(target->memblock->data); + pa_sink_assert_ref(s); + pa_assert(PA_SINK_OPENED(s->thread_info.state)); + pa_assert(target); + pa_assert(target->memblock); + pa_assert(target->length > 0); + pa_assert(pa_frame_aligned(target->length, &s->sample_spec)); pa_sink_ref(s); - n = fill_mix_info(s, info, MAX_MIX_CHANNELS); - - if (n <= 0) - goto finish; - - if (n == 1) { - pa_cvolume volume; + n = s->thread_info.state == PA_SINK_RUNNING ? fill_mix_info(s, target->length, info, MAX_MIX_CHANNELS) : 0; + if (n == 0) { + pa_silence_memchunk(target, &s->sample_spec); + } else if (n == 1) { if (target->length > info[0].chunk.length) target->length = info[0].chunk.length; - memcpy((uint8_t*) target->memblock->data + target->index, - (uint8_t*) info[0].chunk.memblock->data + info[0].chunk.index, - target->length); + if (s->thread_info.soft_muted) + pa_silence_memchunk(target, &s->sample_spec); + else { + void *src, *ptr; + pa_cvolume volume; - pa_sw_cvolume_multiply(&volume, &s->sw_volume, &info[0].volume); + ptr = pa_memblock_acquire(target->memblock); + src = pa_memblock_acquire(info[0].chunk.memblock); + + memcpy((uint8_t*) ptr + target->index, + (uint8_t*) src + info[0].chunk.index, + target->length); + + pa_memblock_release(target->memblock); + pa_memblock_release(info[0].chunk.memblock); + + pa_sw_cvolume_multiply(&volume, &s->thread_info.soft_volume, &info[0].volume); + + if (!pa_cvolume_is_norm(&volume)) + pa_volume_memchunk(target, &s->sample_spec, &volume); + } + + } else { + void *ptr; + + ptr = pa_memblock_acquire(target->memblock); - if (s->sw_muted) - pa_silence_memchunk(target, &s->sample_spec); - else if (!pa_cvolume_is_norm(&volume)) - pa_volume_memchunk(target, &s->sample_spec, &volume); - } else target->length = pa_mix(info, n, - (uint8_t*) target->memblock->data + target->index, + (uint8_t*) ptr + target->index, target->length, &s->sample_spec, - &s->sw_volume, - s->sw_muted); + &s->thread_info.soft_volume, + s->thread_info.soft_muted); - inputs_drop(s, info, n, target->length); + pa_memblock_release(target->memblock); + } - if (s->monitor_source) - pa_source_post(s->monitor_source, target); + if (s->thread_info.state == PA_SINK_RUNNING) + inputs_drop(s, info, n, target->length); - r = 0; + if (s->monitor_source && PA_SOURCE_OPENED(pa_source_get_state(s->monitor_source))) + pa_source_post(s->monitor_source, target); -finish: pa_sink_unref(s); - - return r; } void pa_sink_render_into_full(pa_sink *s, pa_memchunk *target) { pa_memchunk chunk; size_t l, d; - assert(s); - assert(s->ref >= 1); - assert(target); - assert(target->memblock); - assert(target->length); - assert(target->memblock->data); + pa_sink_assert_ref(s); + pa_assert(PA_SINK_OPENED(s->thread_info.state)); + pa_assert(target); + pa_assert(target->memblock); + pa_assert(target->length > 0); + pa_assert(pa_frame_aligned(target->length, &s->sample_spec)); pa_sink_ref(s); @@ -407,140 +575,177 @@ void pa_sink_render_into_full(pa_sink *s, pa_memchunk *target) { chunk.index += d; chunk.length -= d; - if (pa_sink_render_into(s, &chunk) < 0) - break; + pa_sink_render_into(s, &chunk); d += chunk.length; l -= chunk.length; } - if (l > 0) { - chunk = *target; - chunk.index += d; - chunk.length -= d; - pa_silence_memchunk(&chunk, &s->sample_spec); - } - pa_sink_unref(s); } void pa_sink_render_full(pa_sink *s, size_t length, pa_memchunk *result) { - assert(s); - assert(s->ref >= 1); - assert(length); - assert(result); + pa_sink_assert_ref(s); + pa_assert(PA_SINK_OPENED(s->thread_info.state)); + pa_assert(length > 0); + pa_assert(pa_frame_aligned(length, &s->sample_spec)); + pa_assert(result); /*** This needs optimization ***/ - result->memblock = pa_memblock_new(s->core->mempool, result->length = length); result->index = 0; + result->length = length; + result->memblock = pa_memblock_new(s->core->mempool, length); pa_sink_render_into_full(s, result); } +void pa_sink_skip(pa_sink *s, size_t length) { + pa_sink_input *i; + void *state = NULL; + + pa_sink_assert_ref(s); + pa_assert(PA_SINK_OPENED(s->thread_info.state)); + pa_assert(length > 0); + pa_assert(pa_frame_aligned(length, &s->sample_spec)); + + if (pa_source_used_by(s->monitor_source)) { + pa_memchunk chunk; + + /* If something is connected to our monitor source, we have to + * pass valid data to it */ + + while (length > 0) { + pa_sink_render(s, length, &chunk); + pa_memblock_unref(chunk.memblock); + + pa_assert(chunk.length <= length); + length -= chunk.length; + } + + } else { + /* Ok, noone cares about the rendered data, so let's not even render it */ + + while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL))) { + pa_sink_input_assert_ref(i); + pa_sink_input_drop(i, length); + } + } +} + pa_usec_t pa_sink_get_latency(pa_sink *s) { - assert(s); - assert(s->ref >= 1); + pa_usec_t usec = 0; - if (!s->get_latency) + pa_sink_assert_ref(s); + pa_assert(PA_SINK_LINKED(s->state)); + + if (!PA_SINK_OPENED(s->state)) + return 0; + + if (s->get_latency) + return s->get_latency(s); + + if (pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_LATENCY, &usec, 0, NULL) < 0) return 0; - return s->get_latency(s); + return usec; } -void pa_sink_set_owner(pa_sink *s, pa_module *m) { - assert(s); - assert(s->ref >= 1); +void pa_sink_set_volume(pa_sink *s, const pa_cvolume *volume) { + int changed; - if (s->owner == m) - return; + pa_sink_assert_ref(s); + pa_assert(PA_SINK_LINKED(s->state)); + pa_assert(volume); - s->owner = m; + changed = !pa_cvolume_equal(volume, &s->volume); + s->volume = *volume; - if (s->monitor_source) - pa_source_set_owner(s->monitor_source, m); + if (s->set_volume && s->set_volume(s) < 0) + s->set_volume = NULL; - pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index); + if (!s->set_volume) + pa_asyncmsgq_post(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_VOLUME, pa_xnewdup(struct pa_cvolume, volume, 1), 0, NULL, pa_xfree); + + if (changed) + pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index); } -void pa_sink_set_volume(pa_sink *s, pa_mixer_t m, const pa_cvolume *volume) { - pa_cvolume *v; +const pa_cvolume *pa_sink_get_volume(pa_sink *s) { + struct pa_cvolume old_volume; - assert(s); - assert(s->ref >= 1); - assert(volume); + pa_sink_assert_ref(s); + pa_assert(PA_SINK_LINKED(s->state)); - if (m == PA_MIXER_HARDWARE && s->set_hw_volume) - v = &s->hw_volume; - else - v = &s->sw_volume; + old_volume = s->volume; - if (pa_cvolume_equal(v, volume)) - return; + if (s->get_volume && s->get_volume(s) < 0) + s->get_volume = NULL; - *v = *volume; + if (!s->get_volume && s->refresh_volume) + pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_VOLUME, &s->volume, 0, NULL); - if (v == &s->hw_volume) - if (s->set_hw_volume(s) < 0) - s->sw_volume = *volume; + if (!pa_cvolume_equal(&old_volume, &s->volume)) + pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index); - pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index); + return &s->volume; } -const pa_cvolume *pa_sink_get_volume(pa_sink *s, pa_mixer_t m) { - assert(s); - assert(s->ref >= 1); +void pa_sink_set_mute(pa_sink *s, pa_bool_t mute) { + int changed; + + pa_sink_assert_ref(s); + pa_assert(PA_SINK_LINKED(s->state)); - if (m == PA_MIXER_HARDWARE && s->set_hw_volume) { + changed = s->muted != mute; + s->muted = mute; - if (s->get_hw_volume) - s->get_hw_volume(s); + if (s->set_mute && s->set_mute(s) < 0) + s->set_mute = NULL; - return &s->hw_volume; - } else - return &s->sw_volume; + if (!s->set_mute) + pa_asyncmsgq_post(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_MUTE, PA_UINT_TO_PTR(mute), 0, NULL, NULL); + + if (changed) + pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index); } -void pa_sink_set_mute(pa_sink *s, pa_mixer_t m, int mute) { - int *t; +pa_bool_t pa_sink_get_mute(pa_sink *s) { + pa_bool_t old_muted; - assert(s); - assert(s->ref >= 1); + pa_sink_assert_ref(s); + pa_assert(PA_SINK_LINKED(s->state)); - if (m == PA_MIXER_HARDWARE && s->set_hw_mute) - t = &s->hw_muted; - else - t = &s->sw_muted; + old_muted = s->muted; - if (!!*t == !!mute) - return; + if (s->get_mute && s->get_mute(s) < 0) + s->get_mute = NULL; - *t = !!mute; + if (!s->get_mute && s->refresh_mute) + pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_MUTE, &s->muted, 0, NULL); - if (t == &s->hw_muted) - if (s->set_hw_mute(s) < 0) - s->sw_muted = !!mute; + if (old_muted != s->muted) + pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index); - pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index); + return s->muted; } -int pa_sink_get_mute(pa_sink *s, pa_mixer_t m) { - assert(s); - assert(s->ref >= 1); +void pa_sink_set_module(pa_sink *s, pa_module *m) { + pa_sink_assert_ref(s); - if (m == PA_MIXER_HARDWARE && s->set_hw_mute) { + if (s->module == m) + return; + + s->module = m; - if (s->get_hw_mute) - s->get_hw_mute(s); + if (s->monitor_source) + pa_source_set_module(s->monitor_source, m); - return s->hw_muted; - } else - return s->sw_muted; + pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index); } void pa_sink_set_description(pa_sink *s, const char *description) { - assert(s); - assert(s->ref >= 1); + pa_sink_assert_ref(s); if (!description && !s->description) return; @@ -559,19 +764,298 @@ void pa_sink_set_description(pa_sink *s, const char *description) { pa_xfree(n); } - pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index); + if (PA_SINK_LINKED(s->state)) { + pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index); + pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_DESCRIPTION_CHANGED], s); + } } -unsigned pa_sink_used_by(pa_sink *s) { +unsigned pa_sink_linked_by(pa_sink *s) { unsigned ret; - assert(s); - assert(s->ref >= 1); + pa_sink_assert_ref(s); + pa_assert(PA_SINK_LINKED(s->state)); ret = pa_idxset_size(s->inputs); + /* We add in the number of streams connected to us here. Please + * not the asymmmetry to pa_sink_used_by()! */ + if (s->monitor_source) - ret += pa_source_used_by(s->monitor_source); + ret += pa_source_linked_by(s->monitor_source); return ret; } + +unsigned pa_sink_used_by(pa_sink *s) { + unsigned ret; + + pa_sink_assert_ref(s); + pa_assert(PA_SINK_LINKED(s->state)); + + ret = pa_idxset_size(s->inputs); + pa_assert(ret >= s->n_corked); + ret -= s->n_corked; + + /* Streams connected to our monitor source do not matter for + * pa_sink_used_by()!.*/ + + return ret; +} + +int pa_sink_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offset, pa_memchunk *chunk) { + pa_sink *s = PA_SINK(o); + pa_sink_assert_ref(s); + pa_assert(s->thread_info.state != PA_SINK_UNLINKED); + + switch ((pa_sink_message_t) code) { + + case PA_SINK_MESSAGE_ADD_INPUT: { + pa_sink_input *i = PA_SINK_INPUT(userdata); + pa_hashmap_put(s->thread_info.inputs, PA_UINT32_TO_PTR(i->index), pa_sink_input_ref(i)); + + /* Since the caller sleeps in pa_sink_input_put(), we can + * safely access data outside of thread_info even though + * it is mutable */ + + if ((i->thread_info.sync_prev = i->sync_prev)) { + pa_assert(i->sink == i->thread_info.sync_prev->sink); + pa_assert(i->sync_prev->sync_next == i); + i->thread_info.sync_prev->thread_info.sync_next = i; + } + + if ((i->thread_info.sync_next = i->sync_next)) { + pa_assert(i->sink == i->thread_info.sync_next->sink); + pa_assert(i->sync_next->sync_prev == i); + i->thread_info.sync_next->thread_info.sync_prev = i; + } + + pa_assert(!i->thread_info.attached); + i->thread_info.attached = TRUE; + + if (i->attach) + i->attach(i); + + /* If you change anything here, make sure to change the + * ghost sink input handling a few lines down at + * PA_SINK_MESSAGE_REMOVE_INPUT_AND_BUFFER, too. */ + + return 0; + } + + case PA_SINK_MESSAGE_REMOVE_INPUT: { + pa_sink_input *i = PA_SINK_INPUT(userdata); + + /* If you change anything here, make sure to change the + * sink input handling a few lines down at + * PA_SINK_MESSAGE_REMOVE_INPUT_AND_BUFFER, too. */ + + if (i->detach) + i->detach(i); + + pa_assert(i->thread_info.attached); + i->thread_info.attached = FALSE; + + /* Since the caller sleeps in pa_sink_input_unlink(), + * we can safely access data outside of thread_info even + * though it is mutable */ + + pa_assert(!i->thread_info.sync_prev); + pa_assert(!i->thread_info.sync_next); + + if (i->thread_info.sync_prev) { + i->thread_info.sync_prev->thread_info.sync_next = i->thread_info.sync_prev->sync_next; + i->thread_info.sync_prev = NULL; + } + + if (i->thread_info.sync_next) { + i->thread_info.sync_next->thread_info.sync_prev = i->thread_info.sync_next->sync_prev; + i->thread_info.sync_next = NULL; + } + + if (pa_hashmap_remove(s->thread_info.inputs, PA_UINT32_TO_PTR(i->index))) + pa_sink_input_unref(i); + + return 0; + } + + case PA_SINK_MESSAGE_REMOVE_INPUT_AND_BUFFER: { + pa_sink_input_move_info *info = userdata; + int volume_is_norm; + + /* We don't support moving synchronized streams. */ + pa_assert(!info->sink_input->sync_prev); + pa_assert(!info->sink_input->sync_next); + pa_assert(!info->sink_input->thread_info.sync_next); + pa_assert(!info->sink_input->thread_info.sync_prev); + + if (info->sink_input->detach) + info->sink_input->detach(info->sink_input); + + pa_assert(info->sink_input->thread_info.attached); + info->sink_input->thread_info.attached = FALSE; + + if (info->ghost_sink_input) { + pa_assert(info->buffer_bytes > 0); + pa_assert(info->buffer); + + volume_is_norm = pa_cvolume_is_norm(&info->sink_input->thread_info.volume); + + pa_log_debug("Buffering %lu bytes ...", (unsigned long) info->buffer_bytes); + + while (info->buffer_bytes > 0) { + pa_memchunk memchunk; + pa_cvolume volume; + size_t n; + + if (pa_sink_input_peek(info->sink_input, info->buffer_bytes, &memchunk, &volume) < 0) + break; + + n = memchunk.length > info->buffer_bytes ? info->buffer_bytes : memchunk.length; + pa_sink_input_drop(info->sink_input, n); + memchunk.length = n; + + if (!volume_is_norm) { + pa_memchunk_make_writable(&memchunk, 0); + pa_volume_memchunk(&memchunk, &s->sample_spec, &volume); + } + + if (pa_memblockq_push(info->buffer, &memchunk) < 0) { + pa_memblock_unref(memchunk.memblock); + break; + } + + pa_memblock_unref(memchunk.memblock); + info->buffer_bytes -= n; + } + + /* Add the remaining already resampled chunk to the buffer */ + if (info->sink_input->thread_info.resampled_chunk.memblock) + pa_memblockq_push(info->buffer, &info->sink_input->thread_info.resampled_chunk); + + pa_memblockq_sink_input_set_queue(info->ghost_sink_input, info->buffer); + + pa_log_debug("Buffered %lu bytes ...", (unsigned long) pa_memblockq_get_length(info->buffer)); + } + + /* Let's remove the sink input ...*/ + if (pa_hashmap_remove(s->thread_info.inputs, PA_UINT32_TO_PTR(info->sink_input->index))) + pa_sink_input_unref(info->sink_input); + + /* .. and add the ghost sink input instead */ + if (info->ghost_sink_input) { + pa_hashmap_put(s->thread_info.inputs, PA_UINT32_TO_PTR(info->ghost_sink_input->index), pa_sink_input_ref(info->ghost_sink_input)); + info->ghost_sink_input->thread_info.sync_prev = info->ghost_sink_input->thread_info.sync_next = NULL; + + pa_assert(!info->ghost_sink_input->thread_info.attached); + info->ghost_sink_input->thread_info.attached = TRUE; + + if (info->ghost_sink_input->attach) + info->ghost_sink_input->attach(info->ghost_sink_input); + } + + return 0; + } + + case PA_SINK_MESSAGE_SET_VOLUME: + s->thread_info.soft_volume = *((pa_cvolume*) userdata); + return 0; + + case PA_SINK_MESSAGE_SET_MUTE: + s->thread_info.soft_muted = PA_PTR_TO_UINT(userdata); + return 0; + + case PA_SINK_MESSAGE_GET_VOLUME: + *((pa_cvolume*) userdata) = s->thread_info.soft_volume; + return 0; + + case PA_SINK_MESSAGE_GET_MUTE: + *((pa_bool_t*) userdata) = s->thread_info.soft_muted; + return 0; + + case PA_SINK_MESSAGE_PING: + return 0; + + case PA_SINK_MESSAGE_SET_STATE: + + s->thread_info.state = PA_PTR_TO_UINT(userdata); + return 0; + + case PA_SINK_MESSAGE_DETACH: + + /* We're detaching all our input streams so that the + * asyncmsgq and rtpoll fields can be changed without + * problems */ + pa_sink_detach_within_thread(s); + break; + + case PA_SINK_MESSAGE_ATTACH: + + /* Reattach all streams */ + pa_sink_attach_within_thread(s); + break; + + case PA_SINK_MESSAGE_GET_LATENCY: + case PA_SINK_MESSAGE_MAX: + ; + } + + return -1; +} + +int pa_sink_suspend_all(pa_core *c, pa_bool_t suspend) { + pa_sink *sink; + uint32_t idx; + int ret = 0; + + pa_core_assert_ref(c); + + for (sink = PA_SINK(pa_idxset_first(c->sinks, &idx)); sink; sink = PA_SINK(pa_idxset_next(c->sinks, &idx))) + ret -= pa_sink_suspend(sink, suspend) < 0; + + return ret; +} + +void pa_sink_detach(pa_sink *s) { + pa_sink_assert_ref(s); + pa_assert(PA_SINK_LINKED(s->state)); + + pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_DETACH, NULL, 0, NULL); +} + +void pa_sink_attach(pa_sink *s) { + pa_sink_assert_ref(s); + pa_assert(PA_SINK_LINKED(s->state)); + + pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_ATTACH, NULL, 0, NULL); +} + +void pa_sink_detach_within_thread(pa_sink *s) { + pa_sink_input *i; + void *state = NULL; + + pa_sink_assert_ref(s); + pa_assert(PA_SINK_LINKED(s->thread_info.state)); + + while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL))) + if (i->detach) + i->detach(i); + + if (s->monitor_source) + pa_source_detach_within_thread(s->monitor_source); +} + +void pa_sink_attach_within_thread(pa_sink *s) { + pa_sink_input *i; + void *state = NULL; + + pa_sink_assert_ref(s); + pa_assert(PA_SINK_LINKED(s->thread_info.state)); + + while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL))) + if (i->attach) + i->attach(i); + + if (s->monitor_source) + pa_source_attach_within_thread(s->monitor_source); +} |