4 This file is part of polypaudio.
6 polypaudio is free software; you can redistribute it and/or modify
7 it under the terms of the GNU Lesser General Public License as published
8 by the Free Software Foundation; either version 2 of the License,
9 or (at your option) any later version.
11 polypaudio is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public License
17 along with polypaudio; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
31 #include <polyp/introspect.h>
32 #include <polyp/utf8.h>
33 #include <polyp/xmalloc.h>
35 #include <polypcore/sink-input.h>
36 #include <polypcore/namereg.h>
37 #include <polypcore/util.h>
38 #include <polypcore/sample-util.h>
39 #include <polypcore/core-subscribe.h>
40 #include <polypcore/log.h>
44 #define MAX_MIX_CHANNELS 32
46 #define CHECK_VALIDITY_RETURN_NULL(condition) \
57 const pa_sample_spec *spec,
58 const pa_channel_map *map) {
70 CHECK_VALIDITY_RETURN_NULL(pa_sample_spec_valid(spec));
73 map = pa_channel_map_init_auto(&tmap, spec->channels, PA_CHANNEL_MAP_DEFAULT);
75 CHECK_VALIDITY_RETURN_NULL(map && pa_channel_map_valid(map));
76 CHECK_VALIDITY_RETURN_NULL(map->channels == spec->channels);
77 CHECK_VALIDITY_RETURN_NULL(!driver || pa_utf8_valid(driver));
78 CHECK_VALIDITY_RETURN_NULL(pa_utf8_valid(name) && *name);
80 s = pa_xnew(pa_sink, 1);
82 if (!(name = pa_namereg_register(core, name, PA_NAMEREG_SINK, s, fail))) {
89 s->state = PA_SINK_RUNNING;
90 s->name = pa_xstrdup(name);
91 s->description = NULL;
92 s->driver = pa_xstrdup(driver);
95 s->sample_spec = *spec;
96 s->channel_map = *map;
98 s->inputs = pa_idxset_new(NULL, NULL);
100 pa_cvolume_reset(&s->sw_volume, spec->channels);
101 pa_cvolume_reset(&s->hw_volume, spec->channels);
105 s->get_latency = NULL;
107 s->set_hw_volume = NULL;
108 s->get_hw_volume = NULL;
109 s->set_hw_mute = NULL;
110 s->get_hw_mute = NULL;
113 r = pa_idxset_put(core->sinks, s, &s->index);
114 assert(s->index != PA_IDXSET_INVALID && r >= 0);
116 pa_sample_spec_snprint(st, sizeof(st), spec);
117 pa_log_info(__FILE__": created %u \"%s\" with sample spec \"%s\"", s->index, s->name, st);
119 n = pa_sprintf_malloc("%s_monitor", name);
120 s->monitor_source = pa_source_new(core, driver, n, 0, spec, map);
121 assert(s->monitor_source);
123 s->monitor_source->monitor_of = s;
124 s->monitor_source->description = pa_sprintf_malloc("Monitor source of sink '%s'", s->name);
126 pa_subscription_post(core, PA_SUBSCRIPTION_EVENT_SINK | PA_SUBSCRIPTION_EVENT_NEW, s->index);
131 void pa_sink_disconnect(pa_sink* s) {
132 pa_sink_input *i, *j = NULL;
135 assert(s->state == PA_SINK_RUNNING);
137 pa_namereg_unregister(s->core, s->name);
139 while ((i = pa_idxset_first(s->inputs, NULL))) {
141 pa_sink_input_kill(i);
145 pa_source_disconnect(s->monitor_source);
147 pa_idxset_remove_by_data(s->core->sinks, s, NULL);
149 s->get_latency = NULL;
151 s->get_hw_volume = NULL;
152 s->set_hw_volume = NULL;
153 s->set_hw_mute = NULL;
154 s->get_hw_mute = NULL;
156 s->state = PA_SINK_DISCONNECTED;
157 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK | PA_SUBSCRIPTION_EVENT_REMOVE, s->index);
160 static void sink_free(pa_sink *s) {
164 if (s->state != PA_SINK_DISCONNECTED)
165 pa_sink_disconnect(s);
167 pa_log_info(__FILE__": freed %u \"%s\"", s->index, s->name);
169 pa_source_unref(s->monitor_source);
170 s->monitor_source = NULL;
172 pa_idxset_free(s->inputs, NULL, NULL);
175 pa_xfree(s->description);
180 void pa_sink_unref(pa_sink*s) {
188 pa_sink* pa_sink_ref(pa_sink *s) {
196 void pa_sink_notify(pa_sink*s) {
204 static unsigned fill_mix_info(pa_sink *s, pa_mix_info *info, unsigned maxinfo) {
205 uint32_t idx = PA_IDXSET_INVALID;
213 for (i = pa_idxset_first(s->inputs, &idx); maxinfo > 0 && i; i = pa_idxset_next(s->inputs, &idx)) {
214 /* Increase ref counter, to make sure that this input doesn't
215 * vanish while we still need it */
216 pa_sink_input_ref(i);
218 if (pa_sink_input_peek(i, &info->chunk, &info->volume) < 0) {
219 pa_sink_input_unref(i);
225 assert(info->chunk.memblock);
226 assert(info->chunk.memblock->data);
227 assert(info->chunk.length);
237 static void inputs_drop(pa_sink *s, pa_mix_info *info, unsigned maxinfo, size_t length) {
242 for (; maxinfo > 0; maxinfo--, info++) {
243 pa_sink_input *i = info->userdata;
246 assert(info->chunk.memblock);
249 pa_sink_input_drop(i, &info->chunk, length);
250 pa_memblock_unref(info->chunk.memblock);
252 /* Decrease ref counter */
253 pa_sink_input_unref(i);
254 info->userdata = NULL;
258 int pa_sink_render(pa_sink*s, size_t length, pa_memchunk *result) {
259 pa_mix_info info[MAX_MIX_CHANNELS];
270 n = fill_mix_info(s, info, MAX_MIX_CHANNELS);
278 *result = info[0].chunk;
279 pa_memblock_ref(result->memblock);
281 if (result->length > length)
282 result->length = length;
284 pa_sw_cvolume_multiply(&volume, &s->sw_volume, &info[0].volume);
286 if (s->sw_muted || !pa_cvolume_is_norm(&volume)) {
287 pa_memchunk_make_writable(result, s->core->memblock_stat, 0);
289 pa_silence_memchunk(result, &s->sample_spec);
291 pa_volume_memchunk(result, &s->sample_spec, &volume);
294 result->memblock = pa_memblock_new(length, s->core->memblock_stat);
295 assert(result->memblock);
297 /* pa_log("mixing %i", n); */
299 result->length = pa_mix(info, n, result->memblock->data, length,
300 &s->sample_spec, &s->sw_volume, s->sw_muted);
304 inputs_drop(s, info, n, result->length);
305 pa_source_post(s->monitor_source, result);
315 int pa_sink_render_into(pa_sink*s, pa_memchunk *target) {
316 pa_mix_info info[MAX_MIX_CHANNELS];
323 assert(target->memblock);
324 assert(target->length);
325 assert(target->memblock->data);
329 n = fill_mix_info(s, info, MAX_MIX_CHANNELS);
337 if (target->length > info[0].chunk.length)
338 target->length = info[0].chunk.length;
340 memcpy((uint8_t*) target->memblock->data + target->index,
341 (uint8_t*) info[0].chunk.memblock->data + info[0].chunk.index,
344 pa_sw_cvolume_multiply(&volume, &s->sw_volume, &info[0].volume);
347 pa_silence_memchunk(target, &s->sample_spec);
348 else if (!pa_cvolume_is_norm(&volume))
349 pa_volume_memchunk(target, &s->sample_spec, &volume);
351 target->length = pa_mix(info, n,
352 (uint8_t*) target->memblock->data + target->index,
358 inputs_drop(s, info, n, target->length);
359 pa_source_post(s->monitor_source, target);
369 void pa_sink_render_into_full(pa_sink *s, pa_memchunk *target) {
376 assert(target->memblock);
377 assert(target->length);
378 assert(target->memblock->data);
389 if (pa_sink_render_into(s, &chunk) < 0)
400 pa_silence_memchunk(&chunk, &s->sample_spec);
406 void pa_sink_render_full(pa_sink *s, size_t length, pa_memchunk *result) {
412 /*** This needs optimization ***/
414 result->memblock = pa_memblock_new(result->length = length, s->core->memblock_stat);
417 pa_sink_render_into_full(s, result);
420 pa_usec_t pa_sink_get_latency(pa_sink *s) {
427 return s->get_latency(s);
430 void pa_sink_set_owner(pa_sink *s, pa_module *m) {
436 if (s->monitor_source)
437 pa_source_set_owner(s->monitor_source, m);
440 void pa_sink_set_volume(pa_sink *s, pa_mixer_t m, const pa_cvolume *volume) {
447 if (m == PA_MIXER_HARDWARE && s->set_hw_volume)
452 if (pa_cvolume_equal(v, volume))
457 if (v == &s->hw_volume)
458 if (s->set_hw_volume(s) < 0)
459 s->sw_volume = *volume;
461 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
464 const pa_cvolume *pa_sink_get_volume(pa_sink *s, pa_mixer_t m) {
468 if (m == PA_MIXER_HARDWARE && s->set_hw_volume) {
470 if (s->get_hw_volume)
473 return &s->hw_volume;
475 return &s->sw_volume;
478 void pa_sink_set_mute(pa_sink *s, pa_mixer_t m, int mute) {
484 if (m == PA_MIXER_HARDWARE && s->set_hw_mute)
494 if (t == &s->hw_muted)
495 if (s->set_hw_mute(s) < 0)
496 s->sw_muted = !!mute;
498 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
501 int pa_sink_get_mute(pa_sink *s, pa_mixer_t m) {
505 if (m == PA_MIXER_HARDWARE && s->set_hw_mute) {