/***
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 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
#endif
#include <stdlib.h>
-#include <assert.h>
#include <string.h>
#include <stdio.h>
#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)
+
+static PA_DEFINE_CHECK_TYPE(pa_sink, pa_msgobject);
-#define CHECK_VALIDITY_RETURN_NULL(condition) \
-do {\
-if (!(condition)) \
- return NULL; \
-} while (0)
+static void sink_free(pa_object *s);
pa_sink* pa_sink_new(
pa_core *core,
int fail,
const pa_sample_spec *spec,
const pa_channel_map *map) {
-
+
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);
+
+ pa_return_null_if_fail(pa_sample_spec_valid(spec));
- CHECK_VALIDITY_RETURN_NULL(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);
-
- s = pa_xnew(pa_sink, 1);
+ 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_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;
+ pa_cvolume_reset(&s->volume, spec->channels);
+ s->muted = FALSE;
+ s->refresh_volume = s->refresh_mute = FALSE;
- s->is_hardware = 0;
-
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;
}
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);
- s->state = PA_SINK_DISCONNECTED;
- pa_namereg_unregister(s->core, s->name);
+ 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()! */
+
+ /* All operations here shall be idempotent, i.e. pa_sink_unlink()
+ * may be called multiple times on the same sink without bad
+ * effects. */
+
+ 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);
- pa_hook_fire(&s->core->hook_sink_disconnect, s);
-
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;
-
- pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK | PA_SUBSCRIPTION_EVENT_REMOVE, s->index);
+ s->get_volume = NULL;
+ s->set_volume = NULL;
+ s->set_mute = NULL;
+ s->get_mute = NULL;
+ s->set_state = NULL;
+
+ 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);
-
- if (s->state != PA_SINK_DISCONNECTED)
- pa_sink_disconnect(s);
+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);
- pa_log_info("freed %u \"%s\"", s->index, s->name);
+ if (PA_SINK_LINKED(s->state))
+ pa_sink_unlink(s);
+
+ pa_log_info("Freeing sink %u \"%s\"", s->index, s->name);
if (s->monitor_source) {
pa_source_unref(s->monitor_source);
s->monitor_source = NULL;
}
-
+
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);
-
- s->ref++;
- return s;
+void pa_sink_set_rtpoll(pa_sink *s, pa_rtpoll *p) {
+ pa_sink_assert_ref(s);
+ pa_assert(p);
+
+ s->rtpoll = p;
+ if (s->monitor_source)
+ pa_source_set_rtpoll(s->monitor_source, p);
}
-void pa_sink_notify(pa_sink*s) {
- assert(s);
- assert(s->ref >= 1);
+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;
- if (s->notify)
- s->notify(s);
+ return sink_set_state(s, pa_sink_used_by(s) ? PA_SINK_RUNNING : PA_SINK_IDLE);
}
-static unsigned fill_mix_info(pa_sink *s, pa_mix_info *info, unsigned maxinfo) {
- uint32_t idx = PA_IDXSET_INVALID;
+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_ping(pa_sink *s) {
+ pa_sink_assert_ref(s);
+ pa_assert(PA_SINK_LINKED(s->state));
+
+ pa_asyncmsgq_post(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_PING, NULL, 0, NULL, NULL);
+}
+
+static unsigned fill_mix_info(pa_sink *s, size_t length, pa_mix_info *info, unsigned maxinfo) {
pa_sink_input *i;
unsigned n = 0;
-
- assert(s);
- assert(s->ref >= 1);
- 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);
-
- if (pa_sink_input_peek(i, &info->chunk, &info->volume) < 0) {
- pa_sink_input_unref(i);
+ void *state = NULL;
+
+ pa_sink_assert_ref(s);
+ pa_assert(info);
+
+ 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, length, &info->chunk, &info->volume) < 0)
continue;
- }
- info->userdata = i;
-
- assert(info->chunk.memblock);
- assert(info->chunk.length);
-
+ info->userdata = pa_sink_input_ref(i);
+
+ 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);
- for (; maxinfo > 0; maxinfo--, info++) {
- pa_sink_input *i = info->userdata;
-
- assert(i);
- assert(info->chunk.memblock);
+ /* 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);
+
+ m = NULL;
+
+ /* 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;
-
- assert(s);
- assert(s->ref >= 1);
- assert(length);
- assert(result);
+ size_t block_size_max;
+
+ 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 (n <= 0)
- goto finish;
+ 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);
+
+ pa_assert(length > 0);
+
+ 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;
- if (n == 1) {
+ } else if (n == 1) {
pa_cvolume volume;
*result = info[0].chunk;
if (result->length > length)
result->length = length;
- pa_sw_cvolume_multiply(&volume, &s->sw_volume, &info[0].volume);
-
- if (s->sw_muted || !pa_cvolume_is_norm(&volume)) {
+ pa_sw_cvolume_multiply(&volume, &s->thread_info.soft_volume, &info[0].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->sw_volume, s->sw_muted);
+ 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->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;
- void *ptr;
-
- assert(s);
- assert(s->ref >= 1);
- assert(target);
- assert(target->memblock);
- assert(target->length);
- pa_sink_ref(s);
-
- n = fill_mix_info(s, info, MAX_MIX_CHANNELS);
+ 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));
- if (n <= 0)
- goto finish;
+ pa_sink_ref(s);
- ptr = pa_memblock_acquire(target->memblock);
-
- if (n == 1) {
- void *src;
- 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;
- src = pa_memblock_acquire(info[0].chunk.memblock);
-
- memcpy((uint8_t*) ptr + target->index,
- (uint8_t*) src + 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_memblock_release(info[0].chunk.memblock);
+ ptr = pa_memblock_acquire(target->memblock);
+ src = pa_memblock_acquire(info[0].chunk.memblock);
- pa_sw_cvolume_multiply(&volume, &s->sw_volume, &info[0].volume);
+ 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*) ptr + target->index,
target->length,
&s->sample_spec,
- &s->sw_volume,
- s->sw_muted);
+ &s->thread_info.soft_volume,
+ s->thread_info.soft_muted);
- pa_memblock_release(target->memblock);
-
- 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);
+
+ 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);
-
+
l = target->length;
d = 0;
while (l > 0) {
chunk = *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;
+
+ 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 (!s->get_latency)
+ 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;
-
- s->owner = m;
+ pa_sink_assert_ref(s);
+ pa_assert(PA_SINK_LINKED(s->state));
+ pa_assert(volume);
- if (s->monitor_source)
- pa_source_set_owner(s->monitor_source, m);
+ changed = !pa_cvolume_equal(volume, &s->volume);
+ s->volume = *volume;
- pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
+ if (s->set_volume && s->set_volume(s) < 0)
+ s->set_volume = NULL;
+
+ 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;
-
- assert(s);
- assert(s->ref >= 1);
- assert(volume);
+const pa_cvolume *pa_sink_get_volume(pa_sink *s) {
+ struct pa_cvolume old_volume;
- if (m == PA_MIXER_HARDWARE && s->set_hw_volume)
- v = &s->hw_volume;
- else
- v = &s->sw_volume;
+ pa_sink_assert_ref(s);
+ pa_assert(PA_SINK_LINKED(s->state));
- if (pa_cvolume_equal(v, volume))
- return;
-
- *v = *volume;
+ old_volume = s->volume;
- if (v == &s->hw_volume)
- if (s->set_hw_volume(s) < 0)
- s->sw_volume = *volume;
+ if (s->get_volume && s->get_volume(s) < 0)
+ s->get_volume = NULL;
- pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
+ 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 (!pa_cvolume_equal(&old_volume, &s->volume))
+ 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));
+
+ changed = s->muted != mute;
+ s->muted = mute;
+
+ if (s->set_mute && s->set_mute(s) < 0)
+ s->set_mute = NULL;
- if (m == PA_MIXER_HARDWARE && s->set_hw_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 (s->get_hw_volume)
- s->get_hw_volume(s);
-
- return &s->hw_volume;
- } else
- return &s->sw_volume;
+ 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;
-
- assert(s);
- assert(s->ref >= 1);
+pa_bool_t pa_sink_get_mute(pa_sink *s) {
+ pa_bool_t old_muted;
- if (m == PA_MIXER_HARDWARE && s->set_hw_mute)
- t = &s->hw_muted;
- else
- t = &s->sw_muted;
+ pa_sink_assert_ref(s);
+ pa_assert(PA_SINK_LINKED(s->state));
- if (!!*t == !!mute)
- return;
-
- *t = !!mute;
+ old_muted = s->muted;
- if (t == &s->hw_muted)
- if (s->set_hw_mute(s) < 0)
- s->sw_muted = !!mute;
+ if (s->get_mute && s->get_mute(s) < 0)
+ s->get_mute = NULL;
- pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
+ 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 (old_muted != s->muted)
+ 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->monitor_source)
+ pa_source_set_module(s->monitor_source, m);
- if (s->get_hw_mute)
- s->get_hw_mute(s);
-
- 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;
if (description && s->description && !strcmp(description, s->description))
return;
-
+
pa_xfree(s->description);
s->description = pa_xstrdup(description);
if (s->monitor_source) {
char *n;
-
+
n = pa_sprintf_malloc("Monitor Source of %s", s->description? s->description : s->name);
pa_source_set_description(s->monitor_source, n);
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);
+}