/***
This file is part of PulseAudio.
-
+
+ Copyright 2004-2006 Lennart Poettering
+
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 <stdio.h>
-#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include <pulsecore/core-subscribe.h>
#include <pulsecore/log.h>
+#include <pulsecore/namereg.h>
#include "source-output.h"
-#define CHECK_VALIDITY_RETURN_NULL(condition) \
-do {\
-if (!(condition)) \
- return NULL; \
-} while (0)
+pa_source_output_new_data* pa_source_output_new_data_init(pa_source_output_new_data *data) {
+ pa_assert(data);
+
+ memset(data, 0, sizeof(*data));
+ data->resample_method = PA_RESAMPLER_INVALID;
+ return data;
+}
+
+void pa_source_output_new_data_set_channel_map(pa_source_output_new_data *data, const pa_channel_map *map) {
+ pa_assert(data);
+
+ if ((data->channel_map_is_set = !!map))
+ data->channel_map = *map;
+}
+
+void pa_source_output_new_data_set_sample_spec(pa_source_output_new_data *data, const pa_sample_spec *spec) {
+ pa_assert(data);
+
+ if ((data->sample_spec_is_set = !!spec))
+ data->sample_spec = *spec;
+}
pa_source_output* pa_source_output_new(
- pa_source *s,
- const char *driver,
- const char *name,
- const pa_sample_spec *spec,
- const pa_channel_map *map,
- int resample_method) {
-
+ pa_core *core,
+ pa_source_output_new_data *data,
+ pa_source_output_flags_t flags) {
+
pa_source_output *o;
pa_resampler *resampler = NULL;
- int r;
- char st[256];
- pa_channel_map tmap;
+ char st[PA_SAMPLE_SPEC_SNPRINT_MAX];
- assert(s);
- assert(spec);
- assert(s->state == PA_SOURCE_RUNNING);
+ pa_assert(core);
+ pa_assert(data);
- CHECK_VALIDITY_RETURN_NULL(pa_sample_spec_valid(spec));
+ if (!(flags & PA_SOURCE_OUTPUT_NO_HOOKS))
+ if (pa_hook_fire(&core->hook_source_output_new, data) < 0)
+ return NULL;
- 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));
+ pa_return_null_if_fail(!data->driver || pa_utf8_valid(data->driver));
+ pa_return_null_if_fail(!data->name || pa_utf8_valid(data->name));
- if (pa_idxset_size(s->outputs) >= PA_MAX_OUTPUTS_PER_SOURCE) {
- pa_log(__FILE__": Failed to create source output: too many outputs per source.");
- return NULL;
+ if (!data->source)
+ data->source = pa_namereg_get(core, NULL, PA_NAMEREG_SOURCE, 1);
+
+ pa_return_null_if_fail(data->source);
+ pa_return_null_if_fail(pa_source_get_state(data->source) != PA_SOURCE_DISCONNECTED);
+
+ if (!data->sample_spec_is_set)
+ data->sample_spec = data->source->sample_spec;
+
+ pa_return_null_if_fail(pa_sample_spec_valid(&data->sample_spec));
+
+ if (!data->channel_map_is_set) {
+ if (data->source->channel_map.channels == data->sample_spec.channels)
+ data->channel_map = data->source->channel_map;
+ else
+ pa_channel_map_init_auto(&data->channel_map, data->sample_spec.channels, PA_CHANNEL_MAP_DEFAULT);
}
- if (resample_method == PA_RESAMPLER_INVALID)
- resample_method = s->core->resample_method;
+ pa_return_null_if_fail(pa_channel_map_valid(&data->channel_map));
+ pa_return_null_if_fail(data->channel_map.channels == data->sample_spec.channels);
+
+ if (data->resample_method == PA_RESAMPLER_INVALID)
+ data->resample_method = core->resample_method;
- if (!pa_sample_spec_equal(&s->sample_spec, spec) || !pa_channel_map_equal(&s->channel_map, map))
- if (!(resampler = pa_resampler_new(&s->sample_spec, &s->channel_map, spec, map, s->core->memblock_stat, resample_method))) {
- pa_log_warn(__FILE__": Unsupported resampling operation.");
+ pa_return_null_if_fail(data->resample_method < PA_RESAMPLER_MAX);
+
+ if (pa_idxset_size(data->source->outputs) >= PA_MAX_OUTPUTS_PER_SOURCE) {
+ pa_log("Failed to create source output: too many outputs per source.");
+ return NULL;
+ }
+
+ if ((flags & PA_SOURCE_OUTPUT_VARIABLE_RATE) ||
+ !pa_sample_spec_equal(&data->sample_spec, &data->source->sample_spec) ||
+ !pa_channel_map_equal(&data->channel_map, &data->source->channel_map)) {
+
+ if (!(resampler = pa_resampler_new(
+ core->mempool,
+ &data->source->sample_spec, &data->source->channel_map,
+ &data->sample_spec, &data->channel_map,
+ data->resample_method))) {
+ pa_log_warn("Unsupported resampling operation.");
return NULL;
}
+
+ data->resample_method = pa_resampler_get_method(resampler);
+ }
+
+ o = pa_source_output_new(pa_source_output);
- o = pa_xnew(pa_source_output, 1);
- o->ref = 1;
- o->state = PA_SOURCE_OUTPUT_RUNNING;
- o->name = pa_xstrdup(name);
- o->driver = pa_xstrdup(driver);
- o->owner = NULL;
- o->source = s;
- o->client = NULL;
+ o->parent.parent.free = source_output_free;
+ o->parent.process_msg = pa_source_output_process_msg;
- o->sample_spec = *spec;
- o->channel_map = *map;
-
+ o->core = core;
+ pa_atomic_load(&o->state, PA_SOURCE_OUTPUT_RUNNING);
+ o->flags = flags;
+ o->name = pa_xstrdup(data->name);
+ o->driver = pa_xstrdup(data->driver);
+ o->module = data->module;
+ o->source = data->source;
+ o->client = data->client;
+
+ o->resample_method = data->resample_method;
+ o->sample_spec = data->sample_spec;
+ o->channel_map = data->channel_map;
+
+ o->process_msg = NULL;
o->push = NULL;
o->kill = NULL;
o->get_latency = NULL;
o->userdata = NULL;
-
- o->resampler = resampler;
- o->resample_method = resample_method;
-
- assert(s->core);
- r = pa_idxset_put(s->core->source_outputs, o, &o->index);
- assert(r == 0 && o->index != PA_IDXSET_INVALID);
- r = pa_idxset_put(s->outputs, o, NULL);
- assert(r == 0);
-
- pa_sample_spec_snprint(st, sizeof(st), spec);
- pa_log_info(__FILE__": created %u \"%s\" on %u with sample spec \"%s\"", o->index, o->name, s->index, st);
-
- pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_NEW, o->index);
- /* We do not call pa_source_notify() here, because the virtual
- * functions have not yet been initialized */
-
- return o;
+ o->thread_info.resampler = resampler;
+
+ pa_assert_se(pa_idxset_put(core->source_outputs, o, &o->index) == 0);
+ pa_assert_se( pa_idxset_put(o->source->outputs, o, NULL) == 0);
+
+ pa_log_info("Created output %u \"%s\" on %s with sample spec %s",
+ o->index,
+ o->name,
+ o->source->name,
+ pa_sample_spec_snprint(st, sizeof(st), &o->sample_spec));
+
+ /* Don't forget to call pa_source_output_put! */
+
+ return o;
}
void pa_source_output_disconnect(pa_source_output*o) {
- assert(o);
- assert(o->state != PA_SOURCE_OUTPUT_DISCONNECTED);
- assert(o->source);
- assert(o->source->core);
+ pa_assert(o);
+ pa_return_if_fail(pa_source_output_get_state(i) != PA_SOURCE_OUTPUT_DISCONNECTED);
+ pa_assert(o->source);
+ pa_assert(o->source->core);
+
+ pa_asyncmsgq_send(i->sink->asyncmsgq, i->sink, PA_SOURCE_MESSAGE_REMOVE_OUTPUT, o, NULL);
pa_idxset_remove_by_data(o->source->core->source_outputs, o, NULL);
pa_idxset_remove_by_data(o->source->outputs, o, NULL);
pa_subscription_post(o->source->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_REMOVE, o->index);
o->source = NULL;
+ o->process_msg = NULL;
o->push = NULL;
o->kill = NULL;
o->get_latency = NULL;
-
- o->state = PA_SOURCE_OUTPUT_DISCONNECTED;
+
+ pa_atomic_load(&i->state, PA_SOURCE_OUTPUT_DISCONNECTED);
}
-static void source_output_free(pa_source_output* o) {
- assert(o);
+static void source_output_free(pa_msgobject* mo) {
+ pa_source_output *o = PA_SOURCE_OUTPUT(mo);
+
+ pa_assert(pa_source_output_refcnt(o) == 0);
+
+ pa_source_output_disconnect(o);
- if (o->state != PA_SOURCE_OUTPUT_DISCONNECTED)
- pa_source_output_disconnect(o);
+ pa_log_info("Freeing output %u \"%s\"", o->index, o->name);
- pa_log_info(__FILE__": freed %u \"%s\"", o->index, o->name);
-
- if (o->resampler)
- pa_resampler_free(o->resampler);
+ if (o->thread_info.resampler)
+ pa_resampler_free(o->thread_info.resampler);
pa_xfree(o->name);
pa_xfree(o->driver);
pa_xfree(o);
}
-void pa_source_output_unref(pa_source_output* o) {
- assert(o);
- assert(o->ref >= 1);
-
- if (!(--o->ref))
- source_output_free(o);
-}
-
-pa_source_output* pa_source_output_ref(pa_source_output *o) {
- assert(o);
- assert(o->ref >= 1);
+void pa_source_output_put(pa_source_output *o) {
+ pa_source_output_assert_ref(o);
- o->ref++;
- return o;
+ pa_asyncmsgq_post(o->source->asyncmsgq, o->source, PA_SOURCE_MESSAGE_ADD_OUTPUT, o, NULL, pa_source_unref, pa_source_output_unref);
+ pa_source_update_status(o->source);
+
+ pa_subscription_post(core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_NEW, o->index);
}
void pa_source_output_kill(pa_source_output*o) {
- assert(o);
- assert(o->ref >= 1);
+ pa_source_output_assert_ref(o);
if (o->kill)
o->kill(o);
}
+pa_usec_t pa_source_output_get_latency(pa_source_output *o) {
+ pa_usec_t r = 0;
+
+ pa_source_output_assert_ref(o);
+
+ if (pa_asyncmsgq_send(o->source->asyncmsgq, i->source, PA_SOURCE_OUTPUT_MESSAGE_GET_LATENCY, &r, NULL) < 0)
+ r = 0;
+
+ if (o->get_latency)
+ r += o->get_latency(o);
+
+ return r;
+}
+
void pa_source_output_push(pa_source_output *o, const pa_memchunk *chunk) {
pa_memchunk rchunk;
-
- assert(o);
- assert(chunk);
- assert(chunk->length);
- assert(o->push);
+ pa_source_output_state_t state;
- if (o->state == PA_SOURCE_OUTPUT_CORKED)
+ pa_source_output_assert_ref(o);
+ pa_assert(chunk);
+ pa_assert(chunk->length);
+
+ state = pa_source_output_get_state(o);
+
+ if (!o->push || state == PA_SOURCE_OUTPUT_DISCONNECTED || state == PA_SOURCE_OUTPUT_CORKED)
return;
+
+ pa_assert(state = PA_SOURCE_OUTPUT_RUNNING);
if (!o->resampler) {
o->push(o, chunk);
pa_resampler_run(o->resampler, chunk, &rchunk);
if (!rchunk.length)
return;
-
- assert(rchunk.memblock);
+
+ pa_assert(rchunk.memblock);
o->push(o, &rchunk);
pa_memblock_unref(rchunk.memblock);
}
-void pa_source_output_set_name(pa_source_output *o, const char *name) {
- assert(o);
- assert(o->ref >= 1);
+void pa_source_output_cork(pa_source_output *o, int b) {
+ int n;
+ pa_source_output_state_t state;
- if (!o->name && !name)
- return;
+ pa_source_output_assert_ref(o);
- if (o->name && name && !strcmp(o->name, name))
- return;
-
- pa_xfree(o->name);
- o->name = pa_xstrdup(name);
+ state = pa_source_output_get_state(o);
+ pa_assert(state != PA_SOURCE_OUTPUT_DISCONNECTED);
- pa_subscription_post(o->source->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_CHANGE, o->index);
+ if (b && state != PA_SOURCE_OUTPUT_CORKED)
+ pa_atomic_store(o->state, PA_SOURCE_OUTPUT_CORKED);
+ else if (!b && state == PA_SOURCE_OUTPUT_CORKED)
+ pa_atomic_cmpxchg(o->state, state, PA_SOURCE_OUTPUT_RUNNING);
}
-pa_usec_t pa_source_output_get_latency(pa_source_output *o) {
- assert(o);
- assert(o->ref >= 1);
-
- if (o->get_latency)
- return o->get_latency(o);
+int pa_source_output_set_rate(pa_source_output *o, uint32_t rate) {
+ pa_source_output_assert_ref(o);
+ pa_return_val_if_fail(o->thread_info.resampler, -1);
+
+ if (i->sample_spec.rate == rate)
+ return 0;
+ i->sample_spec.rate = rate;
+
+ pa_asyncmsgq_post(s->asyncmsgq, pa_source_output_ref(i), PA_SOURCE_OUTPUT_MESSAGE_SET_RATE, PA_UINT_TO_PTR(rate), NULL, pa_source_output_unref, NULL);
+
+ pa_subscription_post(o->source->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT!|PA_SUBSCRIPTION_EVENT_CHANGE, i->index);
return 0;
}
-void pa_source_output_cork(pa_source_output *o, int b) {
- int n;
-
- assert(o);
- assert(o->ref >= 1);
+void pa_source_output_set_name(pa_source_output *o, const char *name) {
+ pa_source_output_assert_ref(o);
- if (o->state == PA_SOURCE_OUTPUT_DISCONNECTED)
+ if (!o->name && !name)
return;
- n = o->state == PA_SOURCE_OUTPUT_CORKED && !b;
-
- o->state = b ? PA_SOURCE_OUTPUT_CORKED : PA_SOURCE_OUTPUT_RUNNING;
-
- if (n)
- pa_source_notify(o->source);
+ if (o->name && name && !strcmp(o->name, name))
+ return;
+
+ pa_xfree(o->name);
+ o->name = pa_xstrdup(name);
+
+ pa_subscription_post(o->source->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_CHANGE, o->index);
}
pa_resample_method_t pa_source_output_get_resample_method(pa_source_output *o) {
- assert(o);
- assert(o->ref >= 1);
-
- if (!o->resampler)
- return o->resample_method;
+ pa_source_output_assert_ref(o);
- return pa_resampler_get_method(o->resampler);
+ return o->resample_method;
}
int pa_source_output_move_to(pa_source_output *o, pa_source *dest) {
pa_source *origin;
- pa_resampler *new_resampler;
+ pa_resampler *new_resampler = NULL;
- assert(o);
- assert(o->ref >= 1);
- assert(dest);
+ pa_source_output_assert_ref(o);
+ pa_source_assert_ref(dest);
- origin = o->source;
-
- if (dest == origin)
- return 0;
-
- if (pa_idxset_size(dest->outputs) >= PA_MAX_OUTPUTS_PER_SOURCE) {
- pa_log_warn(__FILE__": Failed to move source output: too many outputs per source.");
- return -1;
- }
-
- if (o->resampler &&
- pa_sample_spec_equal(&origin->sample_spec, &dest->sample_spec) &&
- pa_channel_map_equal(&origin->channel_map, &dest->channel_map))
+ return -1;
+
+/* origin = o->source; */
+
+/* if (dest == origin) */
+/* return 0; */
+
+/* if (pa_idxset_size(dest->outputs) >= PA_MAX_OUTPUTS_PER_SOURCE) { */
+/* pa_log_warn("Failed to move source output: too many outputs per source."); */
+/* return -1; */
+/* } */
+
+/* if (o->resampler && */
+/* pa_sample_spec_equal(&origin->sample_spec, &dest->sample_spec) && */
+/* pa_channel_map_equal(&origin->channel_map, &dest->channel_map)) */
+
+/* /\* Try to reuse the old resampler if possible *\/ */
+/* new_resampler = o->resampler; */
+
+/* else if (!pa_sample_spec_equal(&o->sample_spec, &dest->sample_spec) || */
+/* !pa_channel_map_equal(&o->channel_map, &dest->channel_map)) { */
+
+/* /\* Okey, we need a new resampler for the new sink *\/ */
+
+/* if (!(new_resampler = pa_resampler_new( */
+/* dest->core->mempool, */
+/* &dest->sample_spec, &dest->channel_map, */
+/* &o->sample_spec, &o->channel_map, */
+/* o->resample_method))) { */
+/* pa_log_warn("Unsupported resampling operation."); */
+/* return -1; */
+/* } */
+/* } */
+
+/* /\* Okey, let's move it *\/ */
+/* pa_idxset_remove_by_data(origin->outputs, o, NULL); */
+/* pa_idxset_put(dest->outputs, o, NULL); */
+/* o->source = dest; */
+
+/* /\* Replace resampler *\/ */
+/* if (new_resampler != o->resampler) { */
+/* if (o->resampler) */
+/* pa_resampler_free(o->resampler); */
+/* o->resampler = new_resampler; */
+/* } */
+
+/* /\* Notify everyone *\/ */
+/* pa_subscription_post(o->source->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_CHANGE, o->index); */
+/* pa_source_notify(o->source); */
+
+/* return 0; */
+}
- /* Try to reuse the old resampler if possible */
- new_resampler = o->resampler;
+int pa_source_output_process_msg(pa_msgobject *mo, int code, void *userdata, pa_memchunk* chunk) {
+ pa_source_output *o = PA_SOURCE_OUTPUT(o);
- else if (!pa_sample_spec_equal(&o->sample_spec, &dest->sample_spec) ||
- !pa_channel_map_equal(&o->channel_map, &dest->channel_map)) {
+ pa_source_output_assert_ref(i);
- /* Okey, we need a new resampler for the new sink */
-
- if (!(new_resampler = pa_resampler_new(
- &dest->sample_spec, &dest->channel_map,
- &o->sample_spec, &o->channel_map,
- dest->core->memblock_stat,
- o->resample_method))) {
- pa_log_warn(__FILE__": Unsupported resampling operation.");
- return -1;
- }
- }
+ switch (code) {
- /* Okey, let's move it */
- pa_idxset_remove_by_data(origin->outputs, o, NULL);
- pa_idxset_put(dest->outputs, o, NULL);
- o->source = dest;
+ case PA_SOURCE_OUTPUT_MESSAGE_SET_RATE: {
+
+ i->thread_info.sample_spec.rate = PA_PTR_TO_UINT(userdata);
+ pa_resampler_set_output_rate(i->resampler, PA_PTR_TO_UINT(userdata));
- /* Replace resampler */
- if (new_resampler != o->resampler) {
- if (o->resampler)
- pa_resampler_free(o->resampler);
- o->resampler = new_resampler;
+ return 0;
+ }
}
- /* Notify everyone */
- pa_subscription_post(o->source->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_CHANGE, o->index);
- pa_source_notify(o->source);
-
- return 0;
+ return -1;
}