-/* $Id$ */
-
/***
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 <stdio.h>
-#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include <pulsecore/log.h>
#include <pulsecore/play-memblockq.h>
#include <pulsecore/namereg.h>
+#include <pulsecore/core-util.h>
#include "sink-input.h"
-#define CONVERT_BUFFER_LENGTH 4096
-#define MOVE_BUFFER_LENGTH (1024*1024)
-#define SILENCE_BUFFER_LENGTH (64*1024)
+#define MEMBLOCKQ_MAXLENGTH (32*1024*1024)
+#define CONVERT_BUFFER_LENGTH (PA_PAGE_SIZE)
-#define CHECK_VALIDITY_RETURN_NULL(condition) \
-do {\
-if (!(condition)) \
- return NULL; \
-} while (0)
+static PA_DEFINE_CHECK_TYPE(pa_sink_input, pa_msgobject);
+
+static void sink_input_free(pa_object *o);
pa_sink_input_new_data* pa_sink_input_new_data_init(pa_sink_input_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_sink_input_new_data_set_sample_spec(pa_sink_input_new_data *data, const pa_sample_spec *spec) {
+ pa_assert(data);
+
+ if ((data->sample_spec_is_set = !!spec))
+ data->sample_spec = *spec;
+}
+
void pa_sink_input_new_data_set_channel_map(pa_sink_input_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_sink_input_new_data_set_volume(pa_sink_input_new_data *data, const pa_cvolume *volume) {
- assert(data);
+ pa_assert(data);
if ((data->volume_is_set = !!volume))
data->volume = *volume;
}
-void pa_sink_input_new_data_set_sample_spec(pa_sink_input_new_data *data, const pa_sample_spec *spec) {
- assert(data);
+void pa_sink_input_new_data_set_muted(pa_sink_input_new_data *data, pa_bool_t mute) {
+ pa_assert(data);
- if ((data->sample_spec_is_set = !!spec))
- data->sample_spec = *spec;
+ data->muted_is_set = TRUE;
+ data->muted = !!mute;
+}
+
+void pa_sink_input_new_data_done(pa_sink_input_new_data *data) {
+ pa_assert(data);
+
+ pa_proplist_free(data->proplist);
}
+/* Called from main context */
+static void reset_callbacks(pa_sink_input *i) {
+ pa_assert(i);
+
+ i->pop = NULL;
+ i->process_rewind = NULL;
+ i->update_max_rewind = NULL;
+ i->update_max_request = NULL;
+ i->update_sink_requested_latency = NULL;
+ i->update_sink_latency_range = NULL;
+ i->attach = NULL;
+ i->detach = NULL;
+ i->suspend = NULL;
+ i->moved = NULL;
+ i->kill = NULL;
+ i->get_latency = NULL;
+ i->state_change = NULL;
+}
+
+/* Called from main context */
pa_sink_input* pa_sink_input_new(
pa_core *core,
pa_sink_input_new_data *data,
pa_sink_input_flags_t flags) {
-
+
pa_sink_input *i;
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_SINK_INPUT_NO_HOOKS))
- if (pa_hook_fire(&core->hook_sink_input_new, data) < 0)
- return NULL;
+ if (pa_hook_fire(&core->hooks[PA_CORE_HOOK_SINK_INPUT_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->sink)
- data->sink = pa_namereg_get(core, NULL, PA_NAMEREG_SINK, 1);
-
- CHECK_VALIDITY_RETURN_NULL(data->sink);
- CHECK_VALIDITY_RETURN_NULL(data->sink->state == PA_SINK_RUNNING);
+ data->sink = pa_namereg_get(core, NULL, PA_NAMEREG_SINK, TRUE);
+
+ pa_return_null_if_fail(data->sink);
+ pa_return_null_if_fail(pa_sink_get_state(data->sink) != PA_SINK_UNLINKED);
+ pa_return_null_if_fail(!data->sync_base || (data->sync_base->sink == data->sink && pa_sink_input_get_state(data->sync_base) == PA_SINK_INPUT_CORKED));
if (!data->sample_spec_is_set)
data->sample_spec = data->sink->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->sink->channel_map.channels == data->sample_spec.channels)
+ data->channel_map = data->sink->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 (!data->volume_is_set)
pa_cvolume_reset(&data->volume, data->sample_spec.channels);
- CHECK_VALIDITY_RETURN_NULL(pa_cvolume_valid(&data->volume));
- CHECK_VALIDITY_RETURN_NULL(data->volume.channels == data->sample_spec.channels);
+ pa_return_null_if_fail(pa_cvolume_valid(&data->volume));
+ pa_return_null_if_fail(data->volume.channels == data->sample_spec.channels);
+
+ if (!data->muted_is_set)
+ data->muted = FALSE;
+
+ if (flags & PA_SINK_INPUT_FIX_FORMAT)
+ data->sample_spec.format = data->sink->sample_spec.format;
+
+ if (flags & PA_SINK_INPUT_FIX_RATE)
+ data->sample_spec.rate = data->sink->sample_spec.rate;
+
+ if (flags & PA_SINK_INPUT_FIX_CHANNELS) {
+ data->sample_spec.channels = data->sink->sample_spec.channels;
+ data->channel_map = data->sink->channel_map;
+ }
+
+ pa_assert(pa_sample_spec_valid(&data->sample_spec));
+ pa_assert(pa_channel_map_valid(&data->channel_map));
+
+ /* Due to the fixing of the sample spec the volume might not match anymore */
+ if (data->volume.channels != data->sample_spec.channels)
+ pa_cvolume_set(&data->volume, data->sample_spec.channels, pa_cvolume_avg(&data->volume));
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_SINK_INPUT_FIXATE], data) < 0)
+ return NULL;
if (pa_idxset_size(data->sink->inputs) >= PA_MAX_INPUTS_PER_SINK) {
pa_log_warn("Failed to create sink input: too many inputs per sink.");
if ((flags & PA_SINK_INPUT_VARIABLE_RATE) ||
!pa_sample_spec_equal(&data->sample_spec, &data->sink->sample_spec) ||
- !pa_channel_map_equal(&data->channel_map, &data->sink->channel_map))
-
+ !pa_channel_map_equal(&data->channel_map, &data->sink->channel_map)) {
+
if (!(resampler = pa_resampler_new(
- core->mempool,
+ core->mempool,
&data->sample_spec, &data->channel_map,
&data->sink->sample_spec, &data->sink->channel_map,
- data->resample_method))) {
+ data->resample_method,
+ ((flags & PA_SINK_INPUT_VARIABLE_RATE) ? PA_RESAMPLER_VARIABLE_RATE : 0) |
+ ((flags & PA_SINK_INPUT_NO_REMAP) ? PA_RESAMPLER_NO_REMAP : 0) |
+ (core->disable_remixing || (flags & PA_SINK_INPUT_NO_REMIX) ? PA_RESAMPLER_NO_REMIX : 0) |
+ (core->disable_lfe_remixing ? PA_RESAMPLER_NO_LFE : 0)))) {
pa_log_warn("Unsupported resampling operation.");
return NULL;
}
- i = pa_xnew(pa_sink_input, 1);
- i->ref = 1;
- i->state = PA_SINK_INPUT_DRAINED;
+ data->resample_method = pa_resampler_get_method(resampler);
+ }
+
+ i = pa_msgobject_new(pa_sink_input);
+ i->parent.parent.free = sink_input_free;
+ i->parent.process_msg = pa_sink_input_process_msg;
+
+ i->core = core;
+ i->state = PA_SINK_INPUT_INIT;
i->flags = flags;
- i->name = pa_xstrdup(data->name);
+ i->proplist = pa_proplist_copy(data->proplist);
i->driver = pa_xstrdup(data->driver);
i->module = data->module;
i->sink = data->sink;
i->client = data->client;
+ i->resample_method = data->resample_method;
i->sample_spec = data->sample_spec;
i->channel_map = data->channel_map;
+
i->volume = data->volume;
-
- i->peek = NULL;
- i->drop = NULL;
- i->kill = NULL;
- i->get_latency = NULL;
- i->underrun = NULL;
+ i->muted = data->muted;
+
+ if (data->sync_base) {
+ i->sync_next = data->sync_base->sync_next;
+ i->sync_prev = data->sync_base;
+
+ if (data->sync_base->sync_next)
+ data->sync_base->sync_next->sync_prev = i;
+ data->sync_base->sync_next = i;
+ } else
+ i->sync_next = i->sync_prev = NULL;
+
+ i->direct_outputs = pa_idxset_new(NULL, NULL);
+
+ reset_callbacks(i);
i->userdata = NULL;
-
- i->move_silence = 0;
- pa_memchunk_reset(&i->resampled_chunk);
- i->resampler = resampler;
- i->resample_method = data->resample_method;
- i->silence_memblock = NULL;
-
- r = pa_idxset_put(core->sink_inputs, i, &i->index);
- assert(r == 0);
- r = pa_idxset_put(i->sink->inputs, i, NULL);
- assert(r == 0);
-
- pa_log_info("created %u \"%s\" on %s with sample spec %s",
+ i->thread_info.state = i->state;
+ i->thread_info.attached = FALSE;
+ pa_atomic_store(&i->thread_info.drained, 1);
+ i->thread_info.sample_spec = i->sample_spec;
+ i->thread_info.resampler = resampler;
+ i->thread_info.volume = i->volume;
+ i->thread_info.muted = i->muted;
+ i->thread_info.requested_sink_latency = (pa_usec_t) -1;
+ i->thread_info.rewrite_nbytes = 0;
+ i->thread_info.rewrite_flush = FALSE;
+ i->thread_info.underrun_for = (uint64_t) -1;
+ i->thread_info.playing_for = 0;
+ i->thread_info.direct_outputs = pa_hashmap_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
+
+ i->thread_info.render_memblockq = pa_memblockq_new(
+ 0,
+ MEMBLOCKQ_MAXLENGTH,
+ 0,
+ pa_frame_size(&i->sink->sample_spec),
+ 0,
+ 1,
+ 0,
+ &i->sink->silence);
+
+ pa_assert_se(pa_idxset_put(core->sink_inputs, pa_sink_input_ref(i), &i->index) == 0);
+ pa_assert_se(pa_idxset_put(i->sink->inputs, i, NULL) == 0);
+
+ pa_log_info("Created input %u \"%s\" on %s with sample spec %s and channel map %s",
i->index,
- i->name,
+ pa_strnull(pa_proplist_gets(i->proplist, PA_PROP_MEDIA_NAME)),
i->sink->name,
- pa_sample_spec_snprint(st, sizeof(st), &i->sample_spec));
-
- pa_subscription_post(core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_NEW, i->index);
+ pa_sample_spec_snprint(st, sizeof(st), &i->sample_spec),
+ pa_channel_map_snprint(cm, sizeof(cm), &i->channel_map));
+
+ /* Don't forget to call pa_sink_input_put! */
- /* We do not call pa_sink_notify() here, because the virtual
- * functions have not yet been initialized */
-
- return i;
+ return i;
+}
+
+/* Called from main context */
+static void update_n_corked(pa_sink_input *i, pa_sink_input_state_t state) {
+ pa_assert(i);
+
+ if (i->state == PA_SINK_INPUT_CORKED && state != PA_SINK_INPUT_CORKED)
+ pa_assert_se(i->sink->n_corked -- >= 1);
+ else if (i->state != PA_SINK_INPUT_CORKED && state == PA_SINK_INPUT_CORKED)
+ i->sink->n_corked++;
+
+ pa_sink_update_status(i->sink);
+}
+
+/* Called from main context */
+static int sink_input_set_state(pa_sink_input *i, pa_sink_input_state_t state) {
+ pa_sink_input *ssync;
+ pa_assert(i);
+
+ if (state == PA_SINK_INPUT_DRAINED)
+ state = PA_SINK_INPUT_RUNNING;
+
+ if (i->state == state)
+ return 0;
+
+ pa_assert_se(pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i), PA_SINK_INPUT_MESSAGE_SET_STATE, PA_UINT_TO_PTR(state), 0, NULL) == 0);
+
+ update_n_corked(i, state);
+ i->state = state;
+
+ for (ssync = i->sync_prev; ssync; ssync = ssync->sync_prev) {
+ update_n_corked(ssync, state);
+ ssync->state = state;
+ }
+ for (ssync = i->sync_next; ssync; ssync = ssync->sync_next) {
+ update_n_corked(ssync, state);
+ ssync->state = state;
+ }
+
+ if (state != PA_SINK_INPUT_UNLINKED) {
+ pa_hook_fire(&i->sink->core->hooks[PA_CORE_HOOK_SINK_INPUT_STATE_CHANGED], i);
+
+ for (ssync = i->sync_prev; ssync; ssync = ssync->sync_prev)
+ pa_hook_fire(&i->sink->core->hooks[PA_CORE_HOOK_SINK_INPUT_STATE_CHANGED], ssync);
+
+ for (ssync = i->sync_next; ssync; ssync = ssync->sync_next)
+ pa_hook_fire(&i->sink->core->hooks[PA_CORE_HOOK_SINK_INPUT_STATE_CHANGED], ssync);
+ }
+
+ return 0;
}
-void pa_sink_input_disconnect(pa_sink_input *i) {
- assert(i);
- assert(i->state != PA_SINK_INPUT_DISCONNECTED);
- assert(i->sink);
- assert(i->sink->core);
+/* Called from main context */
+void pa_sink_input_unlink(pa_sink_input *i) {
+ pa_bool_t linked;
+ pa_source_output *o, *p = NULL;
+ pa_assert(i);
+
+ /* See pa_sink_unlink() for a couple of comments how this function
+ * works */
+
+ pa_sink_input_ref(i);
+
+ linked = PA_SINK_INPUT_IS_LINKED(i->state);
+
+ if (linked)
+ pa_hook_fire(&i->sink->core->hooks[PA_CORE_HOOK_SINK_INPUT_UNLINK], i);
+
+ if (i->sync_prev)
+ i->sync_prev->sync_next = i->sync_next;
+ if (i->sync_next)
+ i->sync_next->sync_prev = i->sync_prev;
+
+ i->sync_prev = i->sync_next = NULL;
pa_idxset_remove_by_data(i->sink->core->sink_inputs, i, NULL);
- pa_idxset_remove_by_data(i->sink->inputs, i, NULL);
+ if (pa_idxset_remove_by_data(i->sink->inputs, i, NULL))
+ pa_sink_input_unref(i);
- pa_subscription_post(i->sink->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_REMOVE, i->index);
- i->sink = NULL;
+ while ((o = pa_idxset_first(i->direct_outputs, NULL))) {
+ pa_assert(o != p);
+ pa_source_output_kill(o);
+ p = o;
+ }
- i->peek = NULL;
- i->drop = NULL;
- i->kill = NULL;
- i->get_latency = NULL;
- i->underrun = NULL;
+ update_n_corked(i, PA_SINK_INPUT_UNLINKED);
+ i->state = PA_SINK_INPUT_UNLINKED;
+
+ if (linked)
+ if (i->sink->asyncmsgq)
+ pa_assert_se(pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i->sink), PA_SINK_MESSAGE_REMOVE_INPUT, i, 0, NULL) == 0);
+
+ reset_callbacks(i);
+
+ if (linked) {
+ pa_subscription_post(i->sink->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_REMOVE, i->index);
+ pa_hook_fire(&i->sink->core->hooks[PA_CORE_HOOK_SINK_INPUT_UNLINK_POST], i);
+ }
- i->state = PA_SINK_INPUT_DISCONNECTED;
+ i->sink = NULL;
+ pa_sink_input_unref(i);
}
-static void sink_input_free(pa_sink_input* i) {
- assert(i);
+/* Called from main context */
+static void sink_input_free(pa_object *o) {
+ pa_sink_input* i = PA_SINK_INPUT(o);
+
+ pa_assert(i);
+ pa_assert(pa_sink_input_refcnt(i) == 0);
+
+ if (PA_SINK_INPUT_IS_LINKED(i->state))
+ pa_sink_input_unlink(i);
+
+ pa_log_info("Freeing input %u \"%s\"", i->index, pa_strnull(pa_proplist_gets(i->proplist, PA_PROP_MEDIA_NAME)));
- if (i->state != PA_SINK_INPUT_DISCONNECTED)
- pa_sink_input_disconnect(i);
+ pa_assert(!i->thread_info.attached);
- pa_log_info("freed %u \"%s\"", i->index, i->name);
-
- if (i->resampled_chunk.memblock)
- pa_memblock_unref(i->resampled_chunk.memblock);
-
- if (i->resampler)
- pa_resampler_free(i->resampler);
+ if (i->thread_info.render_memblockq)
+ pa_memblockq_free(i->thread_info.render_memblockq);
+
+ if (i->thread_info.resampler)
+ pa_resampler_free(i->thread_info.resampler);
+
+ if (i->proplist)
+ pa_proplist_free(i->proplist);
+
+ if (i->direct_outputs)
+ pa_idxset_free(i->direct_outputs, NULL, NULL);
+
+ if (i->thread_info.direct_outputs)
+ pa_hashmap_free(i->thread_info.direct_outputs, NULL, NULL);
- if (i->silence_memblock)
- pa_memblock_unref(i->silence_memblock);
-
- pa_xfree(i->name);
pa_xfree(i->driver);
pa_xfree(i);
}
-void pa_sink_input_unref(pa_sink_input *i) {
- assert(i);
- assert(i->ref >= 1);
+/* Called from main context */
+void pa_sink_input_put(pa_sink_input *i) {
+ pa_sink_input_state_t state;
+ pa_sink_input_assert_ref(i);
- if (!(--i->ref))
- sink_input_free(i);
-}
+ pa_assert(i->state == PA_SINK_INPUT_INIT);
-pa_sink_input* pa_sink_input_ref(pa_sink_input *i) {
- assert(i);
- assert(i->ref >= 1);
-
- i->ref++;
- return i;
+ /* The following fields must be initialized properly */
+ pa_assert(i->pop);
+ pa_assert(i->process_rewind);
+ pa_assert(i->kill);
+
+ i->thread_info.volume = i->volume;
+ i->thread_info.muted = i->muted;
+
+ state = i->flags & PA_SINK_INPUT_START_CORKED ? PA_SINK_INPUT_CORKED : PA_SINK_INPUT_RUNNING;
+
+ update_n_corked(i, state);
+ i->state = state;
+
+ pa_assert_se(pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i->sink), PA_SINK_MESSAGE_ADD_INPUT, i, 0, NULL) == 0);
+
+ pa_subscription_post(i->sink->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_NEW, i->index);
+ pa_hook_fire(&i->sink->core->hooks[PA_CORE_HOOK_SINK_INPUT_PUT], i);
}
+/* Called from main context */
void pa_sink_input_kill(pa_sink_input*i) {
- assert(i);
- assert(i->ref >= 1);
+ pa_sink_input_assert_ref(i);
+ pa_assert(PA_SINK_INPUT_IS_LINKED(i->state));
- if (i->kill)
- i->kill(i);
+ i->kill(i);
}
-pa_usec_t pa_sink_input_get_latency(pa_sink_input *i) {
- pa_usec_t r = 0;
-
- assert(i);
- assert(i->ref >= 1);
-
- if (i->get_latency)
- r += i->get_latency(i);
+/* Called from main context */
+pa_usec_t pa_sink_input_get_latency(pa_sink_input *i, pa_usec_t *sink_latency) {
+ pa_usec_t r[2] = { 0, 0 };
+
+ pa_sink_input_assert_ref(i);
+ pa_assert(PA_SINK_INPUT_IS_LINKED(i->state));
- if (i->resampled_chunk.memblock)
- r += pa_bytes_to_usec(i->resampled_chunk.length, &i->sink->sample_spec);
+ pa_assert_se(pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i), PA_SINK_INPUT_MESSAGE_GET_LATENCY, r, 0, NULL) == 0);
+
+ if (i->get_latency)
+ r[0] += i->get_latency(i);
- if (i->move_silence)
- r += pa_bytes_to_usec(i->move_silence, &i->sink->sample_spec);
+ if (sink_latency)
+ *sink_latency = r[1];
- return r;
+ return r[0];
}
-int pa_sink_input_peek(pa_sink_input *i, pa_memchunk *chunk, pa_cvolume *volume) {
- int ret = -1;
- int do_volume_adj_here;
- int volume_is_norm;
-
- assert(i);
- assert(i->ref >= 1);
- assert(chunk);
- assert(volume);
+/* Called from thread context */
+int pa_sink_input_peek(pa_sink_input *i, size_t slength /* in sink frames */, pa_memchunk *chunk, pa_cvolume *volume) {
+ pa_bool_t do_volume_adj_here;
+ pa_bool_t volume_is_norm;
+ size_t block_size_max_sink, block_size_max_sink_input;
+ size_t ilength;
- pa_sink_input_ref(i);
+ pa_sink_input_assert_ref(i);
+ pa_assert(PA_SINK_INPUT_IS_LINKED(i->thread_info.state));
+ pa_assert(pa_frame_aligned(slength, &i->sink->sample_spec));
+ pa_assert(chunk);
+ pa_assert(volume);
- if (!i->peek || !i->drop || i->state == PA_SINK_INPUT_CORKED)
- goto finish;
+/* pa_log_debug("peek"); */
- assert(i->state == PA_SINK_INPUT_RUNNING || i->state == PA_SINK_INPUT_DRAINED);
+ if (!i->pop)
+ return -1;
- if (i->move_silence > 0) {
+ pa_assert(i->thread_info.state == PA_SINK_INPUT_RUNNING ||
+ i->thread_info.state == PA_SINK_INPUT_CORKED ||
+ i->thread_info.state == PA_SINK_INPUT_DRAINED);
- /* We have just been moved and shall play some silence for a
- * while until the old sink has drained its playback buffer */
-
- if (!i->silence_memblock)
- i->silence_memblock = pa_silence_memblock_new(i->sink->core->mempool, &i->sink->sample_spec, SILENCE_BUFFER_LENGTH);
+ block_size_max_sink_input = i->thread_info.resampler ?
+ pa_resampler_max_block_size(i->thread_info.resampler) :
+ pa_frame_align(pa_mempool_block_size_max(i->sink->core->mempool), &i->sample_spec);
- chunk->memblock = pa_memblock_ref(i->silence_memblock);
- chunk->index = 0;
- chunk->length = i->move_silence < chunk->memblock->length ? i->move_silence : chunk->memblock->length;
+ block_size_max_sink = pa_frame_align(pa_mempool_block_size_max(i->sink->core->mempool), &i->sink->sample_spec);
- ret = 0;
- do_volume_adj_here = 1;
- goto finish;
- }
-
- if (!i->resampler) {
- do_volume_adj_here = 0;
- ret = i->peek(i, chunk);
- goto finish;
- }
+ /* Default buffer size */
+ if (slength <= 0)
+ slength = pa_frame_align(CONVERT_BUFFER_LENGTH, &i->sink->sample_spec);
+
+ if (slength > block_size_max_sink)
+ slength = block_size_max_sink;
+
+ if (i->thread_info.resampler) {
+ ilength = pa_resampler_request(i->thread_info.resampler, slength);
+
+ if (ilength <= 0)
+ ilength = pa_frame_align(CONVERT_BUFFER_LENGTH, &i->sample_spec);
+ } else
+ ilength = slength;
+
+ if (ilength > block_size_max_sink_input)
+ ilength = block_size_max_sink_input;
+
+ /* If the channel maps of the sink and this stream differ, we need
+ * to adjust the volume *before* we resample. Otherwise we can do
+ * it after and leave it for the sink code */
do_volume_adj_here = !pa_channel_map_equal(&i->channel_map, &i->sink->channel_map);
- volume_is_norm = pa_cvolume_is_norm(&i->volume);
-
- while (!i->resampled_chunk.memblock) {
+ volume_is_norm = pa_cvolume_is_norm(&i->thread_info.volume) && !i->thread_info.muted;
+
+ while (!pa_memblockq_is_readable(i->thread_info.render_memblockq)) {
pa_memchunk tchunk;
- size_t l;
-
- if ((ret = i->peek(i, &tchunk)) < 0)
- goto finish;
- assert(tchunk.length);
-
- l = pa_resampler_request(i->resampler, CONVERT_BUFFER_LENGTH);
+ /* There's nothing in our render queue. We need to fill it up
+ * with data from the implementor. */
+
+ if (i->thread_info.state == PA_SINK_INPUT_CORKED ||
+ i->pop(i, ilength, &tchunk) < 0) {
+
+ /* OK, we're corked or the implementor didn't give us any
+ * data, so let's just hand out silence */
+ pa_atomic_store(&i->thread_info.drained, 1);
+
+ pa_memblockq_seek(i->thread_info.render_memblockq, (int64_t) slength, PA_SEEK_RELATIVE);
+ i->thread_info.playing_for = 0;
+ if (i->thread_info.underrun_for != (uint64_t) -1)
+ i->thread_info.underrun_for += ilength;
+ break;
+ }
+
+ pa_atomic_store(&i->thread_info.drained, 0);
+
+ pa_assert(tchunk.length > 0);
+ pa_assert(tchunk.memblock);
+
+ i->thread_info.underrun_for = 0;
+ i->thread_info.playing_for += tchunk.length;
+
+ while (tchunk.length > 0) {
+ pa_memchunk wchunk;
+
+ wchunk = tchunk;
+ pa_memblock_ref(wchunk.memblock);
+
+ if (wchunk.length > block_size_max_sink_input)
+ wchunk.length = block_size_max_sink_input;
+
+ /* It might be necessary to adjust the volume here */
+ if (do_volume_adj_here && !volume_is_norm) {
+ pa_memchunk_make_writable(&wchunk, 0);
+
+ if (i->thread_info.muted)
+ pa_silence_memchunk(&wchunk, &i->thread_info.sample_spec);
+ else
+ pa_volume_memchunk(&wchunk, &i->thread_info.sample_spec, &i->thread_info.volume);
+ }
+
+ if (!i->thread_info.resampler)
+ pa_memblockq_push_align(i->thread_info.render_memblockq, &wchunk);
+ else {
+ pa_memchunk rchunk;
+ pa_resampler_run(i->thread_info.resampler, &wchunk, &rchunk);
- if (l > tchunk.length)
- l = tchunk.length;
+/* pa_log_debug("pushing %lu", (unsigned long) rchunk.length); */
- i->drop(i, &tchunk, l);
- tchunk.length = l;
+ if (rchunk.memblock) {
+ pa_memblockq_push_align(i->thread_info.render_memblockq, &rchunk);
+ pa_memblock_unref(rchunk.memblock);
+ }
+ }
- /* It might be necessary to adjust the volume here */
- if (do_volume_adj_here && !volume_is_norm) {
- pa_memchunk_make_writable(&tchunk, 0);
- pa_volume_memchunk(&tchunk, &i->sample_spec, &i->volume);
+ pa_memblock_unref(wchunk.memblock);
+
+ tchunk.index += wchunk.length;
+ tchunk.length -= wchunk.length;
}
- pa_resampler_run(i->resampler, &tchunk, &i->resampled_chunk);
pa_memblock_unref(tchunk.memblock);
}
- assert(i->resampled_chunk.memblock);
- assert(i->resampled_chunk.length);
-
- *chunk = i->resampled_chunk;
- pa_memblock_ref(i->resampled_chunk.memblock);
+ pa_assert_se(pa_memblockq_peek(i->thread_info.render_memblockq, chunk) >= 0);
- ret = 0;
+ pa_assert(chunk->length > 0);
+ pa_assert(chunk->memblock);
-finish:
+/* pa_log_debug("peeking %lu", (unsigned long) chunk->length); */
- if (ret < 0 && i->state == PA_SINK_INPUT_RUNNING && i->underrun)
- i->underrun(i);
+ if (chunk->length > block_size_max_sink)
+ chunk->length = block_size_max_sink;
- if (ret >= 0)
- i->state = PA_SINK_INPUT_RUNNING;
- else if (ret < 0 && i->state == PA_SINK_INPUT_RUNNING)
- i->state = PA_SINK_INPUT_DRAINED;
+ /* Let's see if we had to apply the volume adjustment ourselves,
+ * or if this can be done by the sink for us */
- if (ret >= 0) {
- /* Let's see if we had to apply the volume adjustment
- * ourselves, or if this can be done by the sink for us */
+ if (do_volume_adj_here)
+ /* We had different channel maps, so we already did the adjustment */
+ pa_cvolume_reset(volume, i->sink->sample_spec.channels);
+ else if (i->thread_info.muted)
+ /* We've both the same channel map, so let's have the sink do the adjustment for us*/
+ pa_cvolume_mute(volume, i->sink->sample_spec.channels);
+ else
+ *volume = i->thread_info.volume;
- if (do_volume_adj_here)
- /* We had different channel maps, so we already did the adjustment */
- pa_cvolume_reset(volume, i->sink->sample_spec.channels);
- else
- /* We've both the same channel map, so let's have the sink do the adjustment for us*/
- *volume = i->volume;
- }
-
- pa_sink_input_unref(i);
-
- return ret;
+ return 0;
}
-void pa_sink_input_drop(pa_sink_input *i, const pa_memchunk *chunk, size_t length) {
- assert(i);
- assert(i->ref >= 1);
- assert(length > 0);
+/* Called from thread context */
+void pa_sink_input_drop(pa_sink_input *i, size_t nbytes /* in sink sample spec */) {
+ pa_sink_input_assert_ref(i);
- if (i->move_silence > 0) {
+ pa_assert(PA_SINK_INPUT_IS_LINKED(i->thread_info.state));
+ pa_assert(pa_frame_aligned(nbytes, &i->sink->sample_spec));
+ pa_assert(nbytes > 0);
- if (chunk) {
+/* pa_log_debug("dropping %lu", (unsigned long) nbytes); */
- if (chunk->memblock != i->silence_memblock ||
- chunk->index != 0 ||
- (chunk->memblock && (chunk->length != (i->silence_memblock->length < i->move_silence ? i->silence_memblock->length : i->move_silence))))
- return;
-
- }
+ pa_memblockq_drop(i->thread_info.render_memblockq, nbytes);
+}
- assert(i->move_silence >= length);
-
- i->move_silence -= length;
+/* Called from thread context */
+void pa_sink_input_process_rewind(pa_sink_input *i, size_t nbytes /* in sink sample spec */) {
+ size_t lbq;
+ pa_bool_t called = FALSE;
+ pa_sink_input_assert_ref(i);
- if (i->move_silence <= 0) {
- assert(i->silence_memblock);
- pa_memblock_unref(i->silence_memblock);
- i->silence_memblock = NULL;
- }
+ pa_assert(PA_SINK_INPUT_IS_LINKED(i->thread_info.state));
+ pa_assert(pa_frame_aligned(nbytes, &i->sink->sample_spec));
- return;
- }
+/* pa_log_debug("rewind(%lu, %lu)", (unsigned long) nbytes, (unsigned long) i->thread_info.rewrite_nbytes); */
- if (!i->resampler) {
- if (i->drop)
- i->drop(i, chunk, length);
- return;
+ lbq = pa_memblockq_get_length(i->thread_info.render_memblockq);
+
+ if (nbytes > 0) {
+ pa_log_debug("Have to rewind %lu bytes on render memblockq.", (unsigned long) nbytes);
+ pa_memblockq_rewind(i->thread_info.render_memblockq, nbytes);
}
-
- assert(i->resampled_chunk.memblock);
- assert(i->resampled_chunk.length >= length);
- i->resampled_chunk.index += length;
- i->resampled_chunk.length -= length;
+ if (i->thread_info.rewrite_nbytes == (size_t) -1) {
+
+ /* We were asked to drop all buffered data, and rerequest new
+ * data from implementor the next time push() is called */
+
+ pa_memblockq_flush_write(i->thread_info.render_memblockq);
+
+ } else if (i->thread_info.rewrite_nbytes > 0) {
+ size_t max_rewrite, amount;
- if (i->resampled_chunk.length <= 0) {
- pa_memblock_unref(i->resampled_chunk.memblock);
- i->resampled_chunk.memblock = NULL;
- i->resampled_chunk.index = i->resampled_chunk.length = 0;
+ /* Calculate how much make sense to rewrite at most */
+ max_rewrite = nbytes + lbq;
+
+ /* Transform into local domain */
+ if (i->thread_info.resampler)
+ max_rewrite = pa_resampler_request(i->thread_info.resampler, max_rewrite);
+
+ /* Calculate how much of the rewinded data should actually be rewritten */
+ amount = PA_MIN(i->thread_info.rewrite_nbytes, max_rewrite);
+
+ if (amount > 0) {
+ pa_log_debug("Have to rewind %lu bytes on implementor.", (unsigned long) amount);
+
+ /* Tell the implementor */
+ if (i->process_rewind)
+ i->process_rewind(i, amount);
+ called = TRUE;
+
+ /* Convert back to to sink domain */
+ if (i->thread_info.resampler)
+ amount = pa_resampler_result(i->thread_info.resampler, amount);
+
+ if (amount > 0)
+ /* Ok, now update the write pointer */
+ pa_memblockq_seek(i->thread_info.render_memblockq, - ((int64_t) amount), PA_SEEK_RELATIVE);
+
+ if (i->thread_info.rewrite_flush)
+ pa_memblockq_silence(i->thread_info.render_memblockq);
+
+ /* And reset the resampler */
+ if (i->thread_info.resampler)
+ pa_resampler_reset(i->thread_info.resampler);
+ }
}
+
+ if (!called)
+ if (i->process_rewind)
+ i->process_rewind(i, 0);
+
+ i->thread_info.rewrite_nbytes = 0;
+ i->thread_info.rewrite_flush = FALSE;
+}
+
+/* Called from thread context */
+void pa_sink_input_update_max_rewind(pa_sink_input *i, size_t nbytes /* in the sink's sample spec */) {
+ pa_sink_input_assert_ref(i);
+ pa_assert(PA_SINK_INPUT_IS_LINKED(i->thread_info.state));
+ pa_assert(pa_frame_aligned(nbytes, &i->sink->sample_spec));
+
+ pa_memblockq_set_maxrewind(i->thread_info.render_memblockq, nbytes);
+
+ if (i->update_max_rewind)
+ i->update_max_rewind(i, i->thread_info.resampler ? pa_resampler_request(i->thread_info.resampler, nbytes) : nbytes);
}
+/* Called from thread context */
+void pa_sink_input_update_max_request(pa_sink_input *i, size_t nbytes /* in the sink's sample spec */) {
+ pa_sink_input_assert_ref(i);
+ pa_assert(PA_SINK_INPUT_IS_LINKED(i->thread_info.state));
+ pa_assert(pa_frame_aligned(nbytes, &i->sink->sample_spec));
+
+ if (i->update_max_request)
+ i->update_max_request(i, i->thread_info.resampler ? pa_resampler_request(i->thread_info.resampler, nbytes) : nbytes);
+}
+
+/* Called from thread context */
+static pa_usec_t fixup_latency(pa_sink *s, pa_usec_t usec) {
+ pa_sink_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_sink_input_set_requested_latency_within_thread(pa_sink_input *i, pa_usec_t usec) {
+ pa_sink_input_assert_ref(i);
+
+ usec = fixup_latency(i->sink, usec);
+ i->thread_info.requested_sink_latency = usec;
+ pa_sink_invalidate_requested_latency(i->sink);
+
+ return usec;
+}
+
+/* Called from main context */
+pa_usec_t pa_sink_input_set_requested_latency(pa_sink_input *i, pa_usec_t usec) {
+ pa_sink_input_assert_ref(i);
+
+ if (PA_SINK_INPUT_IS_LINKED(i->state))
+ pa_assert_se(pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i), PA_SINK_INPUT_MESSAGE_SET_REQUESTED_LATENCY, &usec, 0, NULL) == 0);
+ else
+ /* If this sink input is not realized yet, we have to touch
+ * the thread info data directly */
+
+ i->thread_info.requested_sink_latency = usec;
+
+ return usec;
+}
+
+/* Called from main context */
+pa_usec_t pa_sink_input_get_requested_latency(pa_sink_input *i) {
+ pa_usec_t usec = 0;
+
+ pa_sink_input_assert_ref(i);
+
+ if (PA_SINK_INPUT_IS_LINKED(i->state))
+ pa_assert_se(pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i), PA_SINK_INPUT_MESSAGE_GET_REQUESTED_LATENCY, &usec, 0, NULL) == 0);
+ else
+ /* If this sink input is not realized yet, we have to touch
+ * the thread info data directly */
+ usec = i->thread_info.requested_sink_latency;
+
+ return usec;
+}
+
+/* Called from main context */
void pa_sink_input_set_volume(pa_sink_input *i, const pa_cvolume *volume) {
- assert(i);
- assert(i->ref >= 1);
- assert(i->sink);
- assert(i->sink->core);
+ pa_sink_input_assert_ref(i);
+ pa_assert(PA_SINK_INPUT_IS_LINKED(i->state));
+ pa_assert(volume);
if (pa_cvolume_equal(&i->volume, volume))
return;
-
+
i->volume = *volume;
+
+ pa_assert_se(pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i), PA_SINK_INPUT_MESSAGE_SET_VOLUME, &i->volume, 0, NULL) == 0);
pa_subscription_post(i->sink->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_CHANGE, i->index);
}
-const pa_cvolume * pa_sink_input_get_volume(pa_sink_input *i) {
- assert(i);
- assert(i->ref >= 1);
+/* Called from main context */
+const pa_cvolume *pa_sink_input_get_volume(pa_sink_input *i) {
+ pa_sink_input_assert_ref(i);
+ pa_assert(PA_SINK_INPUT_IS_LINKED(i->state));
return &i->volume;
}
-void pa_sink_input_cork(pa_sink_input *i, int b) {
- int n;
-
- assert(i);
- assert(i->ref >= 1);
+/* Called from main context */
+void pa_sink_input_set_mute(pa_sink_input *i, pa_bool_t mute) {
+ pa_assert(i);
+ pa_sink_input_assert_ref(i);
+ pa_assert(PA_SINK_INPUT_IS_LINKED(i->state));
+
+ if (!i->muted == !mute)
+ return;
+
+ i->muted = mute;
+
+ pa_asyncmsgq_post(i->sink->asyncmsgq, PA_MSGOBJECT(i), PA_SINK_INPUT_MESSAGE_SET_MUTE, PA_UINT_TO_PTR(mute), 0, NULL, NULL);
+ pa_subscription_post(i->sink->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_CHANGE, i->index);
+}
- assert(i->state != PA_SINK_INPUT_DISCONNECTED);
+/* Called from main context */
+pa_bool_t pa_sink_input_get_mute(pa_sink_input *i) {
+ pa_sink_input_assert_ref(i);
+ pa_assert(PA_SINK_INPUT_IS_LINKED(i->state));
- n = i->state == PA_SINK_INPUT_CORKED && !b;
+ return i->muted;
+}
- if (b)
- i->state = PA_SINK_INPUT_CORKED;
- else if (i->state == PA_SINK_INPUT_CORKED)
- i->state = PA_SINK_INPUT_DRAINED;
+/* Called from main context */
+void pa_sink_input_cork(pa_sink_input *i, pa_bool_t b) {
+ pa_sink_input_assert_ref(i);
+ pa_assert(PA_SINK_INPUT_IS_LINKED(i->state));
- if (n)
- pa_sink_notify(i->sink);
+ sink_input_set_state(i, b ? PA_SINK_INPUT_CORKED : PA_SINK_INPUT_RUNNING);
}
-void pa_sink_input_set_rate(pa_sink_input *i, uint32_t rate) {
- assert(i);
- assert(i->resampler);
- assert(i->ref >= 1);
+/* Called from main context */
+int pa_sink_input_set_rate(pa_sink_input *i, uint32_t rate) {
+ pa_sink_input_assert_ref(i);
+ pa_assert(PA_SINK_INPUT_IS_LINKED(i->state));
+ pa_return_val_if_fail(i->thread_info.resampler, -1);
if (i->sample_spec.rate == rate)
- return;
+ return 0;
i->sample_spec.rate = rate;
- pa_resampler_set_input_rate(i->resampler, rate);
+
+ pa_asyncmsgq_post(i->sink->asyncmsgq, PA_MSGOBJECT(i), PA_SINK_INPUT_MESSAGE_SET_RATE, PA_UINT_TO_PTR(rate), 0, NULL, NULL);
pa_subscription_post(i->sink->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_CHANGE, i->index);
+ return 0;
}
+/* Called from main context */
void pa_sink_input_set_name(pa_sink_input *i, const char *name) {
- assert(i);
- assert(i->ref >= 1);
+ const char *old;
+ pa_sink_input_assert_ref(i);
- if (!i->name && !name)
+ if (!name && !pa_proplist_contains(i->proplist, PA_PROP_MEDIA_NAME))
return;
- if (i->name && name && !strcmp(i->name, name))
+ old = pa_proplist_gets(i->proplist, PA_PROP_MEDIA_NAME);
+
+ if (old && name && !strcmp(old, name))
return;
-
- pa_xfree(i->name);
- i->name = pa_xstrdup(name);
- pa_subscription_post(i->sink->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_CHANGE, i->index);
+ if (name)
+ pa_proplist_sets(i->proplist, PA_PROP_MEDIA_NAME, name);
+ else
+ pa_proplist_unset(i->proplist, PA_PROP_MEDIA_NAME);
+
+ if (PA_SINK_INPUT_IS_LINKED(i->state)) {
+ pa_hook_fire(&i->sink->core->hooks[PA_CORE_HOOK_SINK_INPUT_PROPLIST_CHANGED], i);
+ pa_subscription_post(i->sink->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_CHANGE, i->index);
+ }
}
+/* Called from main context */
pa_resample_method_t pa_sink_input_get_resample_method(pa_sink_input *i) {
- assert(i);
- assert(i->ref >= 1);
-
- if (!i->resampler)
- return i->resample_method;
+ pa_sink_input_assert_ref(i);
- return pa_resampler_get_method(i->resampler);
+ return i->resample_method;
}
-int pa_sink_input_move_to(pa_sink_input *i, pa_sink *dest, int immediately) {
- pa_resampler *new_resampler = NULL;
- pa_memblockq *buffer = NULL;
+/* Called from main context */
+int pa_sink_input_move_to(pa_sink_input *i, pa_sink *dest) {
+ pa_resampler *new_resampler;
pa_sink *origin;
-
- assert(i);
- assert(dest);
+ pa_sink_input_move_hook_data hook_data;
+ pa_source_output *o, *p = NULL;
+
+ pa_sink_input_assert_ref(i);
+ pa_assert(PA_SINK_INPUT_IS_LINKED(i->state));
+ pa_sink_assert_ref(dest);
origin = i->sink;
if (dest == origin)
return 0;
+ if (i->flags & PA_SINK_INPUT_DONT_MOVE)
+ return -1;
+
+ if (i->sync_next || i->sync_prev) {
+ pa_log_warn("Moving synchronised streams not supported.");
+ return -1;
+ }
+
if (pa_idxset_size(dest->inputs) >= PA_MAX_INPUTS_PER_SINK) {
pa_log_warn("Failed to move sink input: too many inputs per sink.");
return -1;
}
- if (i->resampler &&
+ /* Kill directly connected outputs */
+ while ((o = pa_idxset_first(i->direct_outputs, NULL))) {
+ pa_assert(o != p);
+ pa_source_output_kill(o);
+ p = o;
+ }
+
+ if (i->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 = i->resampler;
-
+ new_resampler = i->thread_info.resampler;
+
else if ((i->flags & PA_SINK_INPUT_VARIABLE_RATE) ||
- !pa_sample_spec_equal(&i->sample_spec, &dest->sample_spec) ||
- !pa_channel_map_equal(&i->channel_map, &dest->channel_map)) {
+ !pa_sample_spec_equal(&i->sample_spec, &dest->sample_spec) ||
+ !pa_channel_map_equal(&i->channel_map, &dest->channel_map)) {
/* Okey, we need a new resampler for the new sink */
-
+
if (!(new_resampler = pa_resampler_new(
dest->core->mempool,
&i->sample_spec, &i->channel_map,
&dest->sample_spec, &dest->channel_map,
- i->resample_method))) {
+ i->resample_method,
+ ((i->flags & PA_SINK_INPUT_VARIABLE_RATE) ? PA_RESAMPLER_VARIABLE_RATE : 0) |
+ ((i->flags & PA_SINK_INPUT_NO_REMAP) ? PA_RESAMPLER_NO_REMAP : 0) |
+ (i->core->disable_remixing || (i->flags & PA_SINK_INPUT_NO_REMIX) ? PA_RESAMPLER_NO_REMIX : 0)))) {
pa_log_warn("Unsupported resampling operation.");
return -1;
}
+ } else
+ new_resampler = NULL;
+
+ hook_data.sink_input = i;
+ hook_data.destination = dest;
+ pa_hook_fire(&i->sink->core->hooks[PA_CORE_HOOK_SINK_INPUT_MOVE], &hook_data);
+
+ pa_assert_se(pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i->sink), PA_SINK_MESSAGE_START_MOVE, i, 0, NULL) == 0);
+
+ pa_idxset_remove_by_data(origin->inputs, i, NULL);
+ pa_idxset_put(dest->inputs, i, NULL);
+ i->sink = dest;
+
+ if (pa_sink_input_get_state(i) == PA_SINK_INPUT_CORKED) {
+ pa_assert_se(origin->n_corked-- >= 1);
+ dest->n_corked++;
}
- if (!immediately) {
- pa_usec_t old_latency, new_latency;
- pa_usec_t silence_usec = 0;
-
- buffer = pa_memblockq_new(0, MOVE_BUFFER_LENGTH, 0, pa_frame_size(&origin->sample_spec), 0, 0, NULL);
-
- /* Let's do a little bit of Voodoo for compensating latency
- * differences */
-
- old_latency = pa_sink_get_latency(origin);
- new_latency = pa_sink_get_latency(dest);
-
- /* The already resampled data should go to the old sink */
-
- if (old_latency >= new_latency) {
-
- /* The latency of the old sink is larger than the latency
- * of the new sink. Therefore to compensate for the
- * difference we to play silence on the new one for a
- * while */
-
- silence_usec = old_latency - new_latency;
-
- } else {
- size_t l;
- int volume_is_norm;
-
- /* The latency of new sink is larger than the latency of
- * the old sink. Therefore we have to precompute a little
- * and make sure that this is still played on the old
- * sink, until we can play the first sample on the new
- * sink.*/
-
- l = pa_usec_to_bytes(new_latency - old_latency, &origin->sample_spec);
-
- volume_is_norm = pa_cvolume_is_norm(&i->volume);
-
- while (l > 0) {
- pa_memchunk chunk;
- pa_cvolume volume;
- size_t n;
-
- if (pa_sink_input_peek(i, &chunk, &volume) < 0)
- break;
-
- n = chunk.length > l ? l : chunk.length;
- pa_sink_input_drop(i, &chunk, n);
- chunk.length = n;
-
- if (!volume_is_norm) {
- pa_memchunk_make_writable(&chunk, 0);
- pa_volume_memchunk(&chunk, &origin->sample_spec, &volume);
- }
+ /* Replace resampler and render queue */
+ if (new_resampler != i->thread_info.resampler) {
- if (pa_memblockq_push(buffer, &chunk) < 0) {
- pa_memblock_unref(chunk.memblock);
- break;
- }
+ if (i->thread_info.resampler)
+ pa_resampler_free(i->thread_info.resampler);
+ i->thread_info.resampler = new_resampler;
- pa_memblock_unref(chunk.memblock);
- l -= n;
- }
+ pa_memblockq_free(i->thread_info.render_memblockq);
+
+ i->thread_info.render_memblockq = pa_memblockq_new(
+ 0,
+ MEMBLOCKQ_MAXLENGTH,
+ 0,
+ pa_frame_size(&i->sink->sample_spec),
+ 0,
+ 1,
+ 0,
+ &i->sink->silence);
+ }
+
+ pa_sink_update_status(origin);
+ pa_sink_update_status(dest);
+
+ pa_assert_se(pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i->sink), PA_SINK_MESSAGE_FINISH_MOVE, i, 0, NULL) == 0);
+
+ if (i->moved)
+ i->moved(i);
+
+ pa_hook_fire(&i->sink->core->hooks[PA_CORE_HOOK_SINK_INPUT_MOVE_POST], i);
+
+ pa_log_debug("Successfully moved sink input %i from %s to %s.", i->index, origin->name, dest->name);
+
+ /* Notify everyone */
+ pa_subscription_post(i->sink->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_CHANGE, i->index);
+
+ return 0;
+}
+
+/* Called from IO thread context */
+void pa_sink_input_set_state_within_thread(pa_sink_input *i, pa_sink_input_state_t state) {
+ pa_bool_t corking, uncorking;
+ pa_sink_input_assert_ref(i);
+
+ if (state == i->thread_info.state)
+ return;
+
+ if ((state == PA_SINK_INPUT_DRAINED || state == PA_SINK_INPUT_RUNNING) &&
+ !(i->thread_info.state == PA_SINK_INPUT_DRAINED || i->thread_info.state != PA_SINK_INPUT_RUNNING))
+ pa_atomic_store(&i->thread_info.drained, 1);
+
+ corking = state == PA_SINK_INPUT_CORKED && i->thread_info.state == PA_SINK_INPUT_RUNNING;
+ uncorking = i->thread_info.state == PA_SINK_INPUT_CORKED && state == PA_SINK_INPUT_RUNNING;
+
+ if (i->state_change)
+ i->state_change(i, state);
+
+ i->thread_info.state = state;
+
+ if (corking) {
+
+ pa_log_debug("Requesting rewind due to corking");
+
+ /* This will tell the implementing sink input driver to rewind
+ * so that the unplayed already mixed data is not lost */
+ pa_sink_input_request_rewind(i, 0, TRUE, TRUE);
+
+ } else if (uncorking) {
+
+ pa_log_debug("Requesting rewind due to uncorking");
+
+ /* OK, we're being uncorked. Make sure we're not rewound when
+ * the hw buffer is remixed and request a remix. */
+ pa_sink_input_request_rewind(i, 0, FALSE, TRUE);
+ }
+}
+
+/* Called from thread context, except when it is not. */
+int pa_sink_input_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offset, pa_memchunk *chunk) {
+ pa_sink_input *i = PA_SINK_INPUT(o);
+ pa_sink_input_assert_ref(i);
+
+ switch (code) {
+
+ case PA_SINK_INPUT_MESSAGE_SET_VOLUME:
+ i->thread_info.volume = *((pa_cvolume*) userdata);
+ pa_sink_input_request_rewind(i, 0, TRUE, FALSE);
+ return 0;
+
+ case PA_SINK_INPUT_MESSAGE_SET_MUTE:
+ i->thread_info.muted = PA_PTR_TO_UINT(userdata);
+ pa_sink_input_request_rewind(i, 0, TRUE, FALSE);
+ return 0;
+
+ case PA_SINK_INPUT_MESSAGE_GET_LATENCY: {
+ pa_usec_t *r = userdata;
+ pa_usec_t sink_usec = 0;
+
+ r[0] += pa_bytes_to_usec(pa_memblockq_get_length(i->thread_info.render_memblockq), &i->sink->sample_spec);
+
+ if (i->sink->parent.process_msg(PA_MSGOBJECT(i->sink), PA_SINK_MESSAGE_GET_LATENCY, &sink_usec, 0, NULL) >= 0)
+ r[1] += sink_usec;
+
+ return 0;
}
- if (i->resampled_chunk.memblock) {
+ case PA_SINK_INPUT_MESSAGE_SET_RATE:
+
+ i->thread_info.sample_spec.rate = PA_PTR_TO_UINT(userdata);
+ pa_resampler_set_input_rate(i->thread_info.resampler, PA_PTR_TO_UINT(userdata));
+
+ return 0;
+
+ case PA_SINK_INPUT_MESSAGE_SET_STATE: {
+ pa_sink_input *ssync;
+
+ pa_sink_input_set_state_within_thread(i, PA_PTR_TO_UINT(userdata));
- /* There is still some data left in the already resampled
- * memory block. Hence, let's output it on the old sink
- * and sleep so long on the new sink */
+ for (ssync = i->thread_info.sync_prev; ssync; ssync = ssync->thread_info.sync_prev)
+ pa_sink_input_set_state_within_thread(ssync, PA_PTR_TO_UINT(userdata));
- pa_memblockq_push(buffer, &i->resampled_chunk);
- silence_usec += pa_bytes_to_usec(i->resampled_chunk.length, &origin->sample_spec);
+ for (ssync = i->thread_info.sync_next; ssync; ssync = ssync->thread_info.sync_next)
+ pa_sink_input_set_state_within_thread(ssync, PA_PTR_TO_UINT(userdata));
+
+ return 0;
}
- /* Calculate the new sleeping time */
- i->move_silence = pa_usec_to_bytes(
- pa_bytes_to_usec(i->move_silence, &i->sample_spec) +
- silence_usec,
- &i->sample_spec);
- }
+ case PA_SINK_INPUT_MESSAGE_SET_REQUESTED_LATENCY: {
+ pa_usec_t *usec = userdata;
- /* Okey, let's move it */
- pa_idxset_remove_by_data(origin->inputs, i, NULL);
- pa_idxset_put(dest->inputs, i, NULL);
- i->sink = dest;
+ *usec = pa_sink_input_set_requested_latency_within_thread(i, *usec);
+ return 0;
+ }
+
+ case PA_SINK_INPUT_MESSAGE_GET_REQUESTED_LATENCY: {
+ pa_usec_t *r = userdata;
- /* Replace resampler */
- if (new_resampler != i->resampler) {
- if (i->resampler)
- pa_resampler_free(i->resampler);
- i->resampler = new_resampler;
-
- /* if the resampler changed, the silence memblock is
- * probably invalid now, too */
- if (i->silence_memblock) {
- pa_memblock_unref(i->silence_memblock);
- i->silence_memblock = NULL;
+ *r = i->thread_info.requested_sink_latency;
+ return 0;
}
}
- /* Dump already resampled data */
- if (i->resampled_chunk.memblock) {
- pa_memblock_unref(i->resampled_chunk.memblock);
- i->resampled_chunk.memblock = NULL;
- i->resampled_chunk.index = i->resampled_chunk.length = 0;
+ return -1;
+}
+
+/* Called from main thread */
+pa_sink_input_state_t pa_sink_input_get_state(pa_sink_input *i) {
+ pa_sink_input_assert_ref(i);
+
+ if (i->state == PA_SINK_INPUT_RUNNING || i->state == PA_SINK_INPUT_DRAINED)
+ return pa_atomic_load(&i->thread_info.drained) ? PA_SINK_INPUT_DRAINED : PA_SINK_INPUT_RUNNING;
+
+ return i->state;
+}
+
+/* Called from IO context */
+pa_bool_t pa_sink_input_safe_to_remove(pa_sink_input *i) {
+ pa_sink_input_assert_ref(i);
+
+ if (PA_SINK_INPUT_IS_LINKED(i->thread_info.state))
+ return pa_memblockq_is_empty(i->thread_info.render_memblockq);
+
+ return TRUE;
+}
+
+/* Called from IO context */
+void pa_sink_input_request_rewind(pa_sink_input *i, size_t nbytes /* in our sample spec */, pa_bool_t rewrite, pa_bool_t flush) {
+ size_t lbq;
+
+ /* If 'rewrite' is TRUE the sink is rewound as far as requested
+ * and possible and the exact value of this is passed back the
+ * implementor via process_rewind(). If 'flush' is also TRUE all
+ * already rendered data is also dropped.
+ *
+ * If 'rewrite' is FALSE the sink is rewound as far as requested
+ * and possible and the already rendered data is dropped so that
+ * in the next iteration we read new data from the
+ * implementor. This implies 'flush' is TRUE. */
+
+ pa_sink_input_assert_ref(i);
+ pa_assert(i->thread_info.rewrite_nbytes == 0);
+
+/* pa_log_debug("request rewrite %lu", (unsigned long) nbytes); */
+
+ /* We don't take rewind requests while we are corked */
+ if (i->thread_info.state == PA_SINK_INPUT_CORKED)
+ return;
+
+ pa_assert(rewrite || flush);
+
+ /* Calculate how much we can rewind locally without having to
+ * touch the sink */
+ if (rewrite)
+ lbq = pa_memblockq_get_length(i->thread_info.render_memblockq);
+ else
+ lbq = 0;
+
+ /* Check if rewinding for the maximum is requested, and if so, fix up */
+ if (nbytes <= 0) {
+
+ /* Calculate maximum number of bytes that could be rewound in theory */
+ nbytes = i->sink->thread_info.max_rewind + lbq;
+
+ /* Transform from sink domain */
+ if (i->thread_info.resampler)
+ nbytes = pa_resampler_request(i->thread_info.resampler, nbytes);
}
-
- /* Notify everyone */
- pa_subscription_post(i->sink->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_CHANGE, i->index);
- pa_sink_notify(i->sink);
- /* Ok, no let's feed the precomputed buffer to the old sink */
- if (buffer)
- pa_play_memblockq(origin, "Ghost Stream", &origin->sample_spec, &origin->channel_map, buffer, NULL);
+ if (rewrite) {
+ /* Make sure to not overwrite over underruns */
+ if (nbytes > i->thread_info.playing_for)
+ nbytes = (size_t) i->thread_info.playing_for;
- return 0;
+ i->thread_info.rewrite_nbytes = nbytes;
+ } else
+ i->thread_info.rewrite_nbytes = (size_t) -1;
+
+ i->thread_info.rewrite_flush = flush && i->thread_info.rewrite_nbytes != 0;
+
+ /* Transform to sink domain */
+ if (i->thread_info.resampler)
+ nbytes = pa_resampler_result(i->thread_info.resampler, nbytes);
+
+ if (nbytes > lbq)
+ pa_sink_request_rewind(i->sink, nbytes - lbq);
+ else
+ /* This call will make sure process_rewind() is called later */
+ pa_sink_request_rewind(i->sink, 0);
+}
+
+/* Called from main context */
+pa_memchunk* pa_sink_input_get_silence(pa_sink_input *i, pa_memchunk *ret) {
+ pa_sink_input_assert_ref(i);
+ pa_assert(ret);
+
+ pa_silence_memchunk_get(
+ &i->sink->core->silence_cache,
+ i->sink->core->mempool,
+ ret,
+ &i->sample_spec,
+ i->thread_info.resampler ? pa_resampler_max_block_size(i->thread_info.resampler) : 0);
+
+ return ret;
}