+++ /dev/null
-/* $Id$ */
-
-/***
- This file is part of polypaudio.
-
- polypaudio 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.
-
- polypaudio 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 polypaudio; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- USA.
-***/
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <stdlib.h>
-#include <assert.h>
-#include <string.h>
-#include <stdio.h>
-
-#include "sink.h"
-#include "sink-input.h"
-#include "namereg.h"
-#include "util.h"
-#include "sample-util.h"
-#include "xmalloc.h"
-#include "subscribe.h"
-#include "log.h"
-#include "polyplib-introspect.h"
-
-#define MAX_MIX_CHANNELS 32
-
-pa_sink* pa_sink_new(
- pa_core *core,
- const char *driver,
- const char *name,
- int fail,
- const pa_sample_spec *spec,
- const pa_channel_map *map) {
-
- pa_sink *s;
- char *n = NULL;
- char st[256];
- int r;
-
- assert(core);
- assert(name);
- assert(*name);
- assert(spec);
-
- s = pa_xnew(pa_sink, 1);
-
- if (!(name = pa_namereg_register(core, name, PA_NAMEREG_SINK, s, fail))) {
- pa_xfree(s);
- return NULL;
- }
-
- s->ref = 1;
- s->core = core;
- s->state = PA_SINK_RUNNING;
- s->name = pa_xstrdup(name);
- s->description = NULL;
- s->driver = pa_xstrdup(driver);
- s->owner = NULL;
-
- s->sample_spec = *spec;
- if (map)
- s->channel_map = *map;
- else
- pa_channel_map_init_auto(&s->channel_map, spec->channels);
-
- s->inputs = pa_idxset_new(NULL, NULL);
-
- pa_cvolume_reset(&s->sw_volume, spec->channels);
- pa_cvolume_reset(&s->hw_volume, spec->channels);
-
- s->get_latency = NULL;
- s->notify = NULL;
- s->set_hw_volume = NULL;
- s->get_hw_volume = NULL;
- s->userdata = NULL;
-
- r = pa_idxset_put(core->sinks, s, &s->index);
- assert(s->index != PA_IDXSET_INVALID && r >= 0);
-
- pa_sample_spec_snprint(st, sizeof(st), spec);
- pa_log_info(__FILE__": created %u \"%s\" with sample spec \"%s\"\n", s->index, s->name, st);
-
- n = pa_sprintf_malloc("%s_monitor", name);
- s->monitor_source = pa_source_new(core, driver, n, 0, spec, map);
- assert(s->monitor_source);
- pa_xfree(n);
- s->monitor_source->monitor_of = s;
- s->monitor_source->description = pa_sprintf_malloc("Monitor source of sink '%s'", s->name);
-
- pa_subscription_post(core, PA_SUBSCRIPTION_EVENT_SINK | PA_SUBSCRIPTION_EVENT_NEW, s->index);
-
- return s;
-}
-
-void pa_sink_disconnect(pa_sink* s) {
- pa_sink_input *i, *j = NULL;
-
- assert(s);
- assert(s->state == PA_SINK_RUNNING);
-
- pa_namereg_unregister(s->core, s->name);
-
- while ((i = pa_idxset_first(s->inputs, NULL))) {
- assert(i != j);
- pa_sink_input_kill(i);
- j = i;
- }
-
- pa_source_disconnect(s->monitor_source);
-
- pa_idxset_remove_by_data(s->core->sinks, s, NULL);
-
- s->get_latency = NULL;
- s->notify = NULL;
- s->get_hw_volume = NULL;
- s->set_hw_volume = NULL;
-
- s->state = PA_SINK_DISCONNECTED;
- pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK | PA_SUBSCRIPTION_EVENT_REMOVE, s->index);
-}
-
-static void sink_free(pa_sink *s) {
- assert(s);
- assert(!s->ref);
-
- if (s->state != PA_SINK_DISCONNECTED)
- pa_sink_disconnect(s);
-
- pa_log_info(__FILE__": freed %u \"%s\"\n", s->index, s->name);
-
- pa_source_unref(s->monitor_source);
- s->monitor_source = NULL;
-
- pa_idxset_free(s->inputs, NULL, NULL);
-
- pa_xfree(s->name);
- pa_xfree(s->description);
- pa_xfree(s->driver);
- pa_xfree(s);
-}
-
-void pa_sink_unref(pa_sink*s) {
- assert(s);
- assert(s->ref >= 1);
-
- if (!(--s->ref))
- sink_free(s);
-}
-
-pa_sink* pa_sink_ref(pa_sink *s) {
- assert(s);
- assert(s->ref >= 1);
-
- s->ref++;
- return s;
-}
-
-void pa_sink_notify(pa_sink*s) {
- assert(s);
- assert(s->ref >= 1);
-
- if (s->notify)
- s->notify(s);
-}
-
-static unsigned fill_mix_info(pa_sink *s, pa_mix_info *info, unsigned maxinfo) {
- uint32_t idx = PA_IDXSET_INVALID;
- pa_sink_input *i;
- unsigned n = 0;
-
- assert(s);
- assert(s->ref >= 1);
- assert(info);
-
- for (i = pa_idxset_first(s->inputs, &idx); maxinfo > 0 && i; i = pa_idxset_next(s->inputs, &idx)) {
- /* Increase ref counter, to make sure that this input doesn't
- * vanish while we still need it */
- pa_sink_input_ref(i);
-
- if (pa_sink_input_peek(i, &info->chunk, &info->volume) < 0) {
- pa_sink_input_unref(i);
- continue;
- }
-
- info->userdata = i;
-
- assert(info->chunk.memblock);
- assert(info->chunk.memblock->data);
- assert(info->chunk.length);
-
- info++;
- maxinfo--;
- n++;
- }
-
- return n;
-}
-
-static void inputs_drop(pa_sink *s, pa_mix_info *info, unsigned maxinfo, size_t length) {
- assert(s);
- assert(s->ref >= 1);
- assert(info);
-
- for (; maxinfo > 0; maxinfo--, info++) {
- pa_sink_input *i = info->userdata;
-
- assert(i);
- assert(info->chunk.memblock);
-
- /* Drop read data */
- pa_sink_input_drop(i, &info->chunk, length);
- pa_memblock_unref(info->chunk.memblock);
-
- /* Decrease ref counter */
- pa_sink_input_unref(i);
- info->userdata = NULL;
- }
-}
-
-int pa_sink_render(pa_sink*s, size_t length, pa_memchunk *result) {
- pa_mix_info info[MAX_MIX_CHANNELS];
- unsigned n;
- int r = -1;
-
- assert(s);
- assert(s->ref >= 1);
- assert(length);
- assert(result);
-
- pa_sink_ref(s);
-
- n = fill_mix_info(s, info, MAX_MIX_CHANNELS);
-
- if (n <= 0)
- goto finish;
-
- if (n == 1) {
- pa_cvolume volume;
-
- *result = info[0].chunk;
- pa_memblock_ref(result->memblock);
-
- if (result->length > length)
- result->length = length;
-
- pa_sw_cvolume_multiply(&volume, &s->sw_volume, &info[0].volume);
-
- if (!pa_cvolume_is_norm(&volume)) {
- pa_memchunk_make_writable(result, s->core->memblock_stat, 0);
- pa_volume_memchunk(result, &s->sample_spec, &volume);
- }
- } else {
- result->memblock = pa_memblock_new(length, s->core->memblock_stat);
- assert(result->memblock);
-
- result->length = pa_mix(info, n, result->memblock->data, length, &s->sample_spec, &s->sw_volume);
- result->index = 0;
- }
-
- inputs_drop(s, info, n, result->length);
- pa_source_post(s->monitor_source, result);
-
- r = 0;
-
-finish:
- pa_sink_unref(s);
-
- return r;
-}
-
-int pa_sink_render_into(pa_sink*s, pa_memchunk *target) {
- pa_mix_info info[MAX_MIX_CHANNELS];
- unsigned n;
- int r = -1;
-
- assert(s);
- assert(s->ref >= 1);
- assert(target);
- assert(target->memblock);
- assert(target->length);
- assert(target->memblock->data);
-
- pa_sink_ref(s);
-
- n = fill_mix_info(s, info, MAX_MIX_CHANNELS);
-
- if (n <= 0)
- goto finish;
-
- if (n == 1) {
- pa_cvolume volume;
-
- if (target->length > info[0].chunk.length)
- target->length = info[0].chunk.length;
-
- memcpy((uint8_t*) target->memblock->data + target->index,
- (uint8_t*) info[0].chunk.memblock->data + info[0].chunk.index,
- target->length);
-
- pa_sw_cvolume_multiply(&volume, &s->sw_volume, &info[0].volume);
-
- if (!pa_cvolume_is_norm(&volume))
- pa_volume_memchunk(target, &s->sample_spec, &volume);
- } else
- target->length = pa_mix(info, n,
- (uint8_t*) target->memblock->data + target->index,
- target->length,
- &s->sample_spec,
- &s->sw_volume);
-
- inputs_drop(s, info, n, target->length);
- pa_source_post(s->monitor_source, target);
-
- r = 0;
-
-finish:
- pa_sink_unref(s);
-
- return r;
-}
-
-void pa_sink_render_into_full(pa_sink *s, pa_memchunk *target) {
- pa_memchunk chunk;
- size_t l, d;
-
- assert(s);
- assert(s->ref >= 1);
- assert(target);
- assert(target->memblock);
- assert(target->length);
- assert(target->memblock->data);
-
- pa_sink_ref(s);
-
- l = target->length;
- d = 0;
- while (l > 0) {
- chunk = *target;
- chunk.index += d;
- chunk.length -= d;
-
- if (pa_sink_render_into(s, &chunk) < 0)
- break;
-
- d += chunk.length;
- l -= chunk.length;
- }
-
- if (l > 0) {
- chunk = *target;
- chunk.index += d;
- chunk.length -= d;
- pa_silence_memchunk(&chunk, &s->sample_spec);
- }
-
- pa_sink_unref(s);
-}
-
-void pa_sink_render_full(pa_sink *s, size_t length, pa_memchunk *result) {
- assert(s);
- assert(s->ref >= 1);
- assert(length);
- assert(result);
-
- /*** This needs optimization ***/
-
- result->memblock = pa_memblock_new(result->length = length, s->core->memblock_stat);
- result->index = 0;
-
- pa_sink_render_into_full(s, result);
-}
-
-pa_usec_t pa_sink_get_latency(pa_sink *s) {
- assert(s);
- assert(s->ref >= 1);
-
- if (!s->get_latency)
- return 0;
-
- return s->get_latency(s);
-}
-
-void pa_sink_set_owner(pa_sink *s, pa_module *m) {
- assert(s);
- assert(s->ref >= 1);
-
- s->owner = m;
-
- if (s->monitor_source)
- pa_source_set_owner(s->monitor_source, m);
-}
-
-void pa_sink_set_volume(pa_sink *s, pa_mixer_t m, const pa_cvolume *volume) {
- pa_cvolume *v;
-
- assert(s);
- assert(s->ref >= 1);
- assert(volume);
-
- if (m == PA_MIXER_HARDWARE && s->set_hw_volume)
- v = &s->hw_volume;
- else
- v = &s->sw_volume;
-
- if (pa_cvolume_equal(v, volume))
- return;
-
- *v = *volume;
-
- if (v == &s->hw_volume)
- if (s->set_hw_volume(s) < 0)
- s->sw_volume = *volume;
-
- pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
-}
-
-const pa_cvolume *pa_sink_get_volume(pa_sink *s, pa_mixer_t m) {
- assert(s);
- assert(s->ref >= 1);
-
- if (m == PA_MIXER_HARDWARE && s->set_hw_volume) {
-
- if (s->get_hw_volume)
- s->get_hw_volume(s);
-
- return &s->hw_volume;
- } else
- return &s->sw_volume;
-}