-/* $Id$ */
-
/***
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 <pulse/utf8.h>
#include <pulse/xmalloc.h>
+#include <pulsecore/sample-util.h>
#include <pulsecore/core-subscribe.h>
#include <pulsecore/log.h>
#include <pulsecore/namereg.h>
+#include <pulsecore/core-util.h>
#include "source-output.h"
-#define CHECK_VALIDITY_RETURN_NULL(condition) \
-do {\
-if (!(condition)) \
- return NULL; \
-} while (0)
+#define MEMBLOCKQ_MAXLENGTH (32*1024*1024)
+
+static PA_DEFINE_CHECK_TYPE(pa_source_output, pa_msgobject);
+
+static void source_output_free(pa_object* mo);
pa_source_output_new_data* pa_source_output_new_data_init(pa_source_output_new_data *data) {
- assert(data);
-
+ pa_assert(data);
+
memset(data, 0, sizeof(*data));
data->resample_method = PA_RESAMPLER_INVALID;
+ data->proplist = pa_proplist_new();
+
return data;
}
+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;
+}
+
void pa_source_output_new_data_set_channel_map(pa_source_output_new_data *data, const pa_channel_map *map) {
- assert(data);
+ 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) {
- assert(data);
+void pa_source_output_new_data_done(pa_source_output_new_data *data) {
+ pa_assert(data);
- if ((data->sample_spec_is_set = !!spec))
- data->sample_spec = *spec;
+ pa_proplist_free(data->proplist);
}
+/* Called from main context */
+static void reset_callbacks(pa_source_output *o) {
+ pa_assert(o);
+
+ o->push = NULL;
+ o->process_rewind = NULL;
+ o->update_max_rewind = NULL;
+ o->update_source_requested_latency = NULL;
+ o->update_source_latency_range = NULL;
+ o->attach = NULL;
+ o->detach = NULL;
+ o->suspend = NULL;
+ o->moved = NULL;
+ o->kill = NULL;
+ o->get_latency = NULL;
+ o->state_change = NULL;
+}
+
+/* Called from main context */
pa_source_output* pa_source_output_new(
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[PA_SAMPLE_SPEC_SNPRINT_MAX];
+ char st[PA_SAMPLE_SPEC_SNPRINT_MAX], cm[PA_CHANNEL_MAP_SNPRINT_MAX];
- assert(core);
- assert(data);
+ pa_assert(core);
+ pa_assert(data);
- if (!(flags & PA_SOURCE_OUTPUT_NO_HOOKS))
- if (pa_hook_fire(&core->hook_source_output_new, data) < 0)
- return NULL;
+ if (pa_hook_fire(&core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_NEW], data) < 0)
+ return NULL;
- CHECK_VALIDITY_RETURN_NULL(!data->driver || pa_utf8_valid(data->driver));
- CHECK_VALIDITY_RETURN_NULL(!data->name || pa_utf8_valid(data->name));
+ pa_return_null_if_fail(!data->driver || pa_utf8_valid(data->driver));
if (!data->source)
- data->source = pa_namereg_get(core, NULL, PA_NAMEREG_SOURCE, 1);
+ data->source = pa_namereg_get(core, NULL, PA_NAMEREG_SOURCE, TRUE);
+
+ pa_return_null_if_fail(data->source);
+ pa_return_null_if_fail(pa_source_get_state(data->source) != PA_SOURCE_UNLINKED);
+
+ pa_return_null_if_fail(!data->direct_on_input || data->direct_on_input->sink == data->source->monitor_of);
- CHECK_VALIDITY_RETURN_NULL(data->source);
- CHECK_VALIDITY_RETURN_NULL(data->source->state == PA_SOURCE_RUNNING);
-
if (!data->sample_spec_is_set)
data->sample_spec = data->source->sample_spec;
-
- CHECK_VALIDITY_RETURN_NULL(pa_sample_spec_valid(&data->sample_spec));
- if (!data->channel_map_is_set)
- pa_channel_map_init_auto(&data->channel_map, data->sample_spec.channels, PA_CHANNEL_MAP_DEFAULT);
-
- CHECK_VALIDITY_RETURN_NULL(pa_channel_map_valid(&data->channel_map));
- CHECK_VALIDITY_RETURN_NULL(data->channel_map.channels == data->sample_spec.channels);
+ 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_return_null_if_fail(pa_channel_map_init_auto(&data->channel_map, data->sample_spec.channels, PA_CHANNEL_MAP_DEFAULT));
+ }
+
+ 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 (flags & PA_SOURCE_OUTPUT_FIX_FORMAT)
+ data->sample_spec.format = data->source->sample_spec.format;
+
+ if (flags & PA_SOURCE_OUTPUT_FIX_RATE)
+ data->sample_spec.rate = data->source->sample_spec.rate;
+
+ if (flags & PA_SOURCE_OUTPUT_FIX_CHANNELS) {
+ data->sample_spec.channels = data->source->sample_spec.channels;
+ data->channel_map = data->source->channel_map;
+ }
+
+ pa_assert(pa_sample_spec_valid(&data->sample_spec));
+ pa_assert(pa_channel_map_valid(&data->channel_map));
if (data->resample_method == PA_RESAMPLER_INVALID)
data->resample_method = core->resample_method;
- CHECK_VALIDITY_RETURN_NULL(data->resample_method < PA_RESAMPLER_MAX);
-
+ pa_return_null_if_fail(data->resample_method < PA_RESAMPLER_MAX);
+
+ if (pa_hook_fire(&core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_FIXATE], data) < 0)
+ return NULL;
+
if (pa_idxset_size(data->source->outputs) >= PA_MAX_OUTPUTS_PER_SOURCE) {
- pa_log(__FILE__": Failed to create source output: too many outputs per source.");
+ pa_log("Failed to create source output: too many outputs per source.");
return NULL;
}
- if (!pa_sample_spec_equal(&data->sample_spec, &data->source->sample_spec) ||
- !pa_channel_map_equal(&data->channel_map, &data->source->channel_map))
+ 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(__FILE__": Unsupported resampling operation.");
+ data->resample_method,
+ ((flags & PA_SOURCE_OUTPUT_VARIABLE_RATE) ? PA_RESAMPLER_VARIABLE_RATE : 0) |
+ ((flags & PA_SOURCE_OUTPUT_NO_REMAP) ? PA_RESAMPLER_NO_REMAP : 0) |
+ (core->disable_remixing || (flags & PA_SOURCE_OUTPUT_NO_REMIX) ? PA_RESAMPLER_NO_REMIX : 0) |
+ (core->disable_lfe_remixing ? PA_RESAMPLER_NO_LFE : 0)))) {
+ pa_log_warn("Unsupported resampling operation.");
return NULL;
}
-
- o = pa_xnew(pa_source_output, 1);
- o->ref = 1;
- o->state = PA_SOURCE_OUTPUT_RUNNING;
- o->name = pa_xstrdup(data->name);
+
+ data->resample_method = pa_resampler_get_method(resampler);
+ }
+
+ o = pa_msgobject_new(pa_source_output);
+ o->parent.parent.free = source_output_free;
+ o->parent.process_msg = pa_source_output_process_msg;
+
+ o->core = core;
+ o->state = PA_SOURCE_OUTPUT_INIT;
+ o->flags = flags;
+ o->proplist = pa_proplist_copy(data->proplist);
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->push = NULL;
- o->kill = NULL;
- o->get_latency = NULL;
+ o->direct_on_input = data->direct_on_input;
+
+ reset_callbacks(o);
o->userdata = NULL;
-
- o->resampler = resampler;
- o->resample_method = data->resample_method;
-
- r = pa_idxset_put(core->source_outputs, o, &o->index);
- assert(r == 0);
- r = pa_idxset_put(o->source->outputs, o, NULL);
- assert(r == 0);
- pa_log_info(__FILE__": created %u \"%s\" on %s with sample spec %s",
+ o->thread_info.state = o->state;
+ o->thread_info.attached = FALSE;
+ o->thread_info.sample_spec = o->sample_spec;
+ o->thread_info.resampler = resampler;
+ o->thread_info.requested_source_latency = (pa_usec_t) -1;
+ o->thread_info.direct_on_input = o->direct_on_input;
+
+ o->thread_info.delay_memblockq = pa_memblockq_new(
+ 0,
+ MEMBLOCKQ_MAXLENGTH,
+ 0,
+ pa_frame_size(&o->source->sample_spec),
+ 0,
+ 1,
+ 0,
+ &o->source->silence);
+
+ pa_assert_se(pa_idxset_put(core->source_outputs, o, &o->index) == 0);
+ pa_assert_se(pa_idxset_put(o->source->outputs, pa_source_output_ref(o), NULL) == 0);
+
+ if (o->direct_on_input)
+ pa_assert_se(pa_idxset_put(o->direct_on_input->direct_outputs, o, NULL) == 0);
+
+ pa_log_info("Created output %u \"%s\" on %s with sample spec %s and channel map %s",
o->index,
- o->name,
+ pa_strnull(pa_proplist_gets(o->proplist, PA_PROP_MEDIA_NAME)),
o->source->name,
- pa_sample_spec_snprint(st, sizeof(st), &o->sample_spec));
-
- pa_subscription_post(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;
+ pa_sample_spec_snprint(st, sizeof(st), &o->sample_spec),
+ pa_channel_map_snprint(cm, sizeof(cm), &o->channel_map));
+
+ /* Don't forget to call pa_source_output_put! */
+
+ return o;
+}
+
+/* Called from main context */
+static void update_n_corked(pa_source_output *o, pa_source_output_state_t state) {
+ pa_assert(o);
+
+ if (o->state == PA_SOURCE_OUTPUT_CORKED && state != PA_SOURCE_OUTPUT_CORKED)
+ pa_assert_se(o->source->n_corked -- >= 1);
+ else if (o->state != PA_SOURCE_OUTPUT_CORKED && state == PA_SOURCE_OUTPUT_CORKED)
+ o->source->n_corked++;
+
+ pa_source_update_status(o->source);
+}
+
+/* Called from main context */
+static int source_output_set_state(pa_source_output *o, pa_source_output_state_t state) {
+ pa_assert(o);
+
+ if (o->state == state)
+ return 0;
+
+ pa_assert_se(pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o), PA_SOURCE_OUTPUT_MESSAGE_SET_STATE, PA_UINT_TO_PTR(state), 0, NULL) == 0);
+
+ update_n_corked(o, state);
+ o->state = state;
+
+ if (state != PA_SOURCE_OUTPUT_UNLINKED)
+ pa_hook_fire(&o->source->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_STATE_CHANGED], o);
+
+ return 0;
}
-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);
-
+/* Called from main context */
+void pa_source_output_unlink(pa_source_output*o) {
+ pa_bool_t linked;
+ pa_assert(o);
+
+ /* See pa_sink_unlink() for a couple of comments how this function
+ * works */
+
+ pa_source_output_ref(o);
+
+ linked = PA_SOURCE_OUTPUT_IS_LINKED(o->state);
+
+ if (linked)
+ pa_hook_fire(&o->source->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_UNLINK], o);
+
+ if (o->direct_on_input)
+ pa_idxset_remove_by_data(o->direct_on_input->direct_outputs, o, NULL);
pa_idxset_remove_by_data(o->source->core->source_outputs, o, NULL);
- pa_idxset_remove_by_data(o->source->outputs, o, NULL);
+ if (pa_idxset_remove_by_data(o->source->outputs, o, NULL))
+ pa_source_output_unref(o);
- pa_subscription_post(o->source->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_REMOVE, o->index);
- o->source = NULL;
+ update_n_corked(o, PA_SOURCE_OUTPUT_UNLINKED);
+ o->state = PA_SOURCE_OUTPUT_UNLINKED;
- o->push = NULL;
- o->kill = NULL;
- o->get_latency = NULL;
-
- o->state = PA_SOURCE_OUTPUT_DISCONNECTED;
+ if (linked)
+ if (o->source->asyncmsgq)
+ pa_assert_se(pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o->source), PA_SOURCE_MESSAGE_REMOVE_OUTPUT, o, 0, NULL) == 0);
+
+ reset_callbacks(o);
+
+ if (linked) {
+ pa_subscription_post(o->source->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_REMOVE, o->index);
+ pa_hook_fire(&o->source->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_UNLINK_POST], o);
+ }
+
+ o->source = NULL;
+ pa_source_output_unref(o);
}
-static void source_output_free(pa_source_output* o) {
- assert(o);
+/* Called from main context */
+static void source_output_free(pa_object* mo) {
+ pa_source_output *o = PA_SOURCE_OUTPUT(mo);
+
+ pa_assert(o);
+ pa_assert(pa_source_output_refcnt(o) == 0);
+
+ if (PA_SOURCE_OUTPUT_IS_LINKED(o->state))
+ pa_source_output_unlink(o);
+
+ pa_log_info("Freeing output %u \"%s\"", o->index, pa_strnull(pa_proplist_gets(o->proplist, PA_PROP_MEDIA_NAME)));
+
+ pa_assert(!o->thread_info.attached);
- if (o->state != PA_SOURCE_OUTPUT_DISCONNECTED)
- pa_source_output_disconnect(o);
+ if (o->thread_info.delay_memblockq)
+ pa_memblockq_free(o->thread_info.delay_memblockq);
- 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);
+
+ if (o->proplist)
+ pa_proplist_free(o->proplist);
- 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);
+/* Called from main context */
+void pa_source_output_put(pa_source_output *o) {
+ pa_source_output_state_t state;
+ pa_source_output_assert_ref(o);
- if (!(--o->ref))
- source_output_free(o);
-}
+ pa_assert(o->state == PA_SOURCE_OUTPUT_INIT);
-pa_source_output* pa_source_output_ref(pa_source_output *o) {
- assert(o);
- assert(o->ref >= 1);
-
- o->ref++;
- return o;
+ /* The following fields must be initialized properly */
+ pa_assert(o->push);
+ pa_assert(o->kill);
+
+ state = o->flags & PA_SOURCE_OUTPUT_START_CORKED ? PA_SOURCE_OUTPUT_CORKED : PA_SOURCE_OUTPUT_RUNNING;
+
+ update_n_corked(o, state);
+ o->state = state;
+
+ pa_assert_se(pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o->source), PA_SOURCE_MESSAGE_ADD_OUTPUT, o, 0, NULL) == 0);
+
+ pa_subscription_post(o->source->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_NEW, o->index);
+ pa_hook_fire(&o->source->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_PUT], o);
}
+/* Called from main context */
void pa_source_output_kill(pa_source_output*o) {
- assert(o);
- assert(o->ref >= 1);
+ pa_source_output_assert_ref(o);
+ pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o->state));
- if (o->kill)
- o->kill(o);
+ o->kill(o);
}
+/* Called from main context */
+pa_usec_t pa_source_output_get_latency(pa_source_output *o, pa_usec_t *source_latency) {
+ pa_usec_t r[2] = { 0, 0 };
+
+ pa_source_output_assert_ref(o);
+ pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o->state));
+
+ pa_assert_se(pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o), PA_SOURCE_OUTPUT_MESSAGE_GET_LATENCY, r, 0, NULL) == 0);
+
+ if (o->get_latency)
+ r[0] += o->get_latency(o);
+
+ if (source_latency)
+ *source_latency = r[1];
+
+ return r[0];
+}
+
+/* Called from thread context */
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);
-
- if (o->state == PA_SOURCE_OUTPUT_CORKED)
- return;
-
- if (!o->resampler) {
- o->push(o, chunk);
+ size_t length;
+ size_t limit, mbs = 0;
+
+ pa_source_output_assert_ref(o);
+ pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o->thread_info.state));
+ pa_assert(chunk);
+ pa_assert(pa_frame_aligned(chunk->length, &o->source->sample_spec));
+
+ if (!o->push || o->thread_info.state == PA_SOURCE_OUTPUT_CORKED)
return;
+
+ pa_assert(o->thread_info.state == PA_SOURCE_OUTPUT_RUNNING);
+
+ if (pa_memblockq_push(o->thread_info.delay_memblockq, chunk) < 0) {
+ pa_log_debug("Delay queue overflow!");
+ pa_memblockq_seek(o->thread_info.delay_memblockq, (int64_t) chunk->length, PA_SEEK_RELATIVE);
}
- pa_resampler_run(o->resampler, chunk, &rchunk);
- if (!rchunk.length)
- return;
-
- assert(rchunk.memblock);
- o->push(o, &rchunk);
- pa_memblock_unref(rchunk.memblock);
+ limit = o->process_rewind ? 0 : o->source->thread_info.max_rewind;
+
+ /* Implement the delay queue */
+ while ((length = pa_memblockq_get_length(o->thread_info.delay_memblockq)) > limit) {
+ pa_memchunk qchunk;
+
+ length -= limit;
+
+ pa_assert_se(pa_memblockq_peek(o->thread_info.delay_memblockq, &qchunk) >= 0);
+
+ if (qchunk.length > length)
+ qchunk.length = length;
+
+ pa_assert(qchunk.length > 0);
+
+ if (!o->thread_info.resampler)
+ o->push(o, &qchunk);
+ else {
+ pa_memchunk rchunk;
+
+ if (mbs == 0)
+ mbs = pa_resampler_max_block_size(o->thread_info.resampler);
+
+ if (qchunk.length > mbs)
+ qchunk.length = mbs;
+
+ pa_resampler_run(o->thread_info.resampler, &qchunk, &rchunk);
+
+ if (rchunk.length > 0)
+ o->push(o, &rchunk);
+
+ if (rchunk.memblock)
+ pa_memblock_unref(rchunk.memblock);
+ }
+
+ pa_memblock_unref(qchunk.memblock);
+ pa_memblockq_drop(o->thread_info.delay_memblockq, qchunk.length);
+ }
}
-void pa_source_output_set_name(pa_source_output *o, const char *name) {
- assert(o);
- assert(o->ref >= 1);
+/* Called from thread context */
+void pa_source_output_process_rewind(pa_source_output *o, size_t nbytes /* in source sample spec */) {
+ pa_source_output_assert_ref(o);
- if (!o->name && !name)
- return;
+ pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o->thread_info.state));
+ pa_assert(pa_frame_aligned(nbytes, &o->source->sample_spec));
- if (o->name && name && !strcmp(o->name, name))
+ if (nbytes <= 0)
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);
+ if (o->process_rewind) {
+ pa_assert(pa_memblockq_get_length(o->thread_info.delay_memblockq) == 0);
+
+ if (o->thread_info.resampler)
+ nbytes = pa_resampler_result(o->thread_info.resampler, nbytes);
+
+ pa_log_debug("Have to rewind %lu bytes on implementor.", (unsigned long) nbytes);
+
+ if (nbytes > 0)
+ o->process_rewind(o, nbytes);
+
+ if (o->thread_info.resampler)
+ pa_resampler_reset(o->thread_info.resampler);
+
+ } else
+ pa_memblockq_rewind(o->thread_info.delay_memblockq, nbytes);
}
-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);
+/* Called from thread context */
+void pa_source_output_update_max_rewind(pa_source_output *o, size_t nbytes /* in the source's sample spec */) {
+ pa_source_output_assert_ref(o);
+ pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o->thread_info.state));
+ pa_assert(pa_frame_aligned(nbytes, &o->source->sample_spec));
+
+ if (o->update_max_rewind)
+ o->update_max_rewind(o, o->thread_info.resampler ? pa_resampler_result(o->thread_info.resampler, nbytes) : nbytes);
+}
+
+/* Called from thread context */
+static pa_usec_t fixup_latency(pa_source *s, pa_usec_t usec) {
+ pa_source_assert_ref(s);
+
+ if (usec == (pa_usec_t) -1)
+ return usec;
+
+ if (s->thread_info.max_latency > 0 && usec > s->thread_info.max_latency)
+ usec = s->thread_info.max_latency;
+
+ if (s->thread_info.min_latency > 0 && usec < s->thread_info.min_latency)
+ usec = s->thread_info.min_latency;
+
+ return usec;
+}
+
+/* Called from thread context */
+pa_usec_t pa_source_output_set_requested_latency_within_thread(pa_source_output *o, pa_usec_t usec) {
+ pa_source_output_assert_ref(o);
+
+ usec = fixup_latency(o->source, usec);
+ o->thread_info.requested_source_latency = usec;
+ pa_source_invalidate_requested_latency(o->source);
+
+ return usec;
+}
+
+/* Called from main context */
+pa_usec_t pa_source_output_set_requested_latency(pa_source_output *o, pa_usec_t usec) {
+ pa_source_output_assert_ref(o);
+
+ if (PA_SOURCE_OUTPUT_IS_LINKED(o->state))
+ pa_assert_se(pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o), PA_SOURCE_OUTPUT_MESSAGE_SET_REQUESTED_LATENCY, &usec, 0, NULL) == 0);
+ else
+ /* If this source output is not realized yet, we have to touch
+ * the thread info data directly */
+
+ o->thread_info.requested_source_latency = usec;
+
+ return usec;
+}
+
+/* Called from main context */
+pa_usec_t pa_source_output_get_requested_latency(pa_source_output *o) {
+ pa_usec_t usec = 0;
+
+ pa_source_output_assert_ref(o);
+
+ if (PA_SOURCE_OUTPUT_IS_LINKED(o->state))
+ pa_assert_se(pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o), PA_SOURCE_OUTPUT_MESSAGE_GET_REQUESTED_LATENCY, &usec, 0, NULL) == 0);
+ else
+ /* If this source output is not realized yet, we have to touch
+ * the thread info data directly */
+ usec = o->thread_info.requested_source_latency;
+
+ return usec;
+}
+
+/* Called from main context */
+void pa_source_output_cork(pa_source_output *o, pa_bool_t b) {
+ pa_source_output_assert_ref(o);
+ pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o->state));
+
+ source_output_set_state(o, b ? PA_SOURCE_OUTPUT_CORKED : PA_SOURCE_OUTPUT_RUNNING);
+}
+
+/* Called from main context */
+int pa_source_output_set_rate(pa_source_output *o, uint32_t rate) {
+ pa_source_output_assert_ref(o);
+ pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o->state));
+ pa_return_val_if_fail(o->thread_info.resampler, -1);
+
+ if (o->sample_spec.rate == rate)
+ return 0;
+ o->sample_spec.rate = rate;
+
+ pa_asyncmsgq_post(o->source->asyncmsgq, PA_MSGOBJECT(o), PA_SOURCE_OUTPUT_MESSAGE_SET_RATE, PA_UINT_TO_PTR(rate), 0, NULL, NULL);
+
+ pa_subscription_post(o->source->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_CHANGE, o->index);
return 0;
}
-void pa_source_output_cork(pa_source_output *o, int b) {
- int n;
-
- assert(o);
- assert(o->ref >= 1);
+/* Called from main context */
+void pa_source_output_set_name(pa_source_output *o, const char *name) {
+ const char *old;
+ pa_source_output_assert_ref(o);
+
+ if (!name && !pa_proplist_contains(o->proplist, PA_PROP_MEDIA_NAME))
+ return;
+
+ old = pa_proplist_gets(o->proplist, PA_PROP_MEDIA_NAME);
- if (o->state == PA_SOURCE_OUTPUT_DISCONNECTED)
+ if (old && name && !strcmp(old, 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 (name)
+ pa_proplist_sets(o->proplist, PA_PROP_MEDIA_NAME, name);
+ else
+ pa_proplist_unset(o->proplist, PA_PROP_MEDIA_NAME);
+
+ if (PA_SOURCE_OUTPUT_IS_LINKED(o->state)) {
+ pa_hook_fire(&o->source->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_PROPLIST_CHANGED], o);
+ pa_subscription_post(o->source->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_CHANGE, o->index);
+ }
}
+/* Called from main context */
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;
}
+/* Called from main context */
int pa_source_output_move_to(pa_source_output *o, pa_source *dest) {
pa_source *origin;
pa_resampler *new_resampler;
+ pa_source_output_move_hook_data hook_data;
- assert(o);
- assert(o->ref >= 1);
- assert(dest);
+ pa_source_output_assert_ref(o);
+ pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o->state));
+ pa_source_assert_ref(dest);
origin = o->source;
if (dest == origin)
return 0;
+ if (o->flags & PA_SOURCE_OUTPUT_DONT_MOVE)
+ return -1;
+
+ if (o->direct_on_input)
+ return -1;
+
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.");
+ pa_log_warn("Failed to move source output: too many outputs per source.");
return -1;
}
- if (o->resampler &&
+ if (o->thread_info.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)) {
+ new_resampler = o->thread_info.resampler;
+
+ else if ((o->flags & PA_SOURCE_OUTPUT_VARIABLE_RATE) ||
+ !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 source */
- /* 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(__FILE__": Unsupported resampling operation.");
+ o->resample_method,
+ ((o->flags & PA_SOURCE_OUTPUT_VARIABLE_RATE) ? PA_RESAMPLER_VARIABLE_RATE : 0) |
+ ((o->flags & PA_SOURCE_OUTPUT_NO_REMAP) ? PA_RESAMPLER_NO_REMAP : 0) |
+ (o->core->disable_remixing || (o->flags & PA_SOURCE_OUTPUT_NO_REMIX) ? PA_RESAMPLER_NO_REMIX : 0)))) {
+ pa_log_warn("Unsupported resampling operation.");
return -1;
}
- }
+ } else
+ new_resampler = NULL;
+
+ hook_data.source_output = o;
+ hook_data.destination = dest;
+ pa_hook_fire(&o->source->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_MOVE], &hook_data);
/* Okey, let's move it */
+ pa_assert_se(pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o->source), PA_SOURCE_MESSAGE_REMOVE_OUTPUT, o, 0, NULL) == 0);
+
pa_idxset_remove_by_data(origin->outputs, o, NULL);
pa_idxset_put(dest->outputs, o, NULL);
o->source = dest;
+ if (pa_source_output_get_state(o) == PA_SOURCE_OUTPUT_CORKED) {
+ pa_assert_se(origin->n_corked-- >= 1);
+ dest->n_corked++;
+ }
+
/* Replace resampler */
- if (new_resampler != o->resampler) {
- if (o->resampler)
- pa_resampler_free(o->resampler);
- o->resampler = new_resampler;
+ if (new_resampler != o->thread_info.resampler) {
+ if (o->thread_info.resampler)
+ pa_resampler_free(o->thread_info.resampler);
+ o->thread_info.resampler = new_resampler;
+
+ pa_memblockq_free(o->thread_info.delay_memblockq);
+
+ o->thread_info.delay_memblockq = pa_memblockq_new(
+ 0,
+ MEMBLOCKQ_MAXLENGTH,
+ 0,
+ pa_frame_size(&o->source->sample_spec),
+ 0,
+ 1,
+ 0,
+ &o->source->silence);
}
+ pa_source_update_status(origin);
+ pa_source_update_status(dest);
+
+ pa_assert_se(pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o->source), PA_SOURCE_MESSAGE_ADD_OUTPUT, o, 0, NULL) == 0);
+
+ if (o->moved)
+ o->moved(o);
+
+ pa_hook_fire(&o->source->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_MOVE_POST], o);
+
+ pa_log_debug("Successfully moved source output %i from %s to %s.", o->index, origin->name, dest->name);
+
/* 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;
}
+
+/* Called from IO thread context */
+void pa_source_output_set_state_within_thread(pa_source_output *o, pa_source_output_state_t state) {
+ pa_source_output_assert_ref(o);
+
+ if (state == o->thread_info.state)
+ return;
+
+ if (o->state_change)
+ o->state_change(o, state);
+
+ o->thread_info.state = state;
+}
+
+/* Called from IO thread context, except when it is not */
+int pa_source_output_process_msg(pa_msgobject *mo, int code, void *userdata, int64_t offset, pa_memchunk* chunk) {
+ pa_source_output *o = PA_SOURCE_OUTPUT(mo);
+ pa_source_output_assert_ref(o);
+
+ switch (code) {
+
+ case PA_SOURCE_OUTPUT_MESSAGE_GET_LATENCY: {
+ pa_usec_t *r = userdata;
+ pa_usec_t source_usec = 0;
+
+ r[0] += pa_bytes_to_usec(pa_memblockq_get_length(o->thread_info.delay_memblockq), &o->source->sample_spec);
+
+ if (o->source->parent.process_msg(PA_MSGOBJECT(o->source), PA_SOURCE_MESSAGE_GET_LATENCY, &source_usec, 0, NULL) >= 0)
+ r[1] += source_usec;
+
+ return 0;
+ }
+
+ case PA_SOURCE_OUTPUT_MESSAGE_SET_RATE:
+
+ o->thread_info.sample_spec.rate = PA_PTR_TO_UINT(userdata);
+ pa_resampler_set_output_rate(o->thread_info.resampler, PA_PTR_TO_UINT(userdata));
+ return 0;
+
+ case PA_SOURCE_OUTPUT_MESSAGE_SET_STATE:
+
+ pa_source_output_set_state_within_thread(o, PA_PTR_TO_UINT(userdata));
+ return 0;
+
+ case PA_SOURCE_OUTPUT_MESSAGE_SET_REQUESTED_LATENCY: {
+ pa_usec_t *usec = userdata;
+
+ *usec = pa_source_output_set_requested_latency_within_thread(o, *usec);
+
+ return 0;
+ }
+
+ case PA_SOURCE_OUTPUT_MESSAGE_GET_REQUESTED_LATENCY: {
+ pa_usec_t *r = userdata;
+
+ *r = o->thread_info.requested_source_latency;
+ return 0;
+ }
+ }
+
+ return -1;
+}