diff options
author | Lennart Poettering <lennart@poettering.net> | 2004-07-17 14:12:30 +0000 |
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committer | Lennart Poettering <lennart@poettering.net> | 2004-07-17 14:12:30 +0000 |
commit | 41f6aea8fdbc744c13bc461056a2d694a5c4d06f (patch) | |
tree | 1e23911c1f61c66df3fba272af53475508a7a7ce /src/sink.c | |
parent | 563201e128d600ec1ae4a33ca81d03b776501f82 (diff) |
rename src to polyp
git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@90 fefdeb5f-60dc-0310-8127-8f9354f1896f
Diffstat (limited to 'src/sink.c')
-rw-r--r-- | src/sink.c | 292 |
1 files changed, 0 insertions, 292 deletions
diff --git a/src/sink.c b/src/sink.c deleted file mode 100644 index 20fa76a6..00000000 --- a/src/sink.c +++ /dev/null @@ -1,292 +0,0 @@ -/* $Id$ */ - -/*** - This file is part of polypaudio. - - polypaudio is free software; you can redistribute it and/or modify - it under the terms of the GNU 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 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" - -#define MAX_MIX_CHANNELS 32 - -struct pa_sink* pa_sink_new(struct pa_core *core, const char *name, int fail, const struct pa_sample_spec *spec) { - struct pa_sink *s; - char *n = NULL; - char st[256]; - int r; - assert(core && name && spec); - - s = malloc(sizeof(struct pa_sink)); - assert(s); - - if (!(name = pa_namereg_register(core, name, PA_NAMEREG_SINK, s, fail))) { - free(s); - return NULL; - } - - s->name = strdup(name); - s->description = NULL; - - s->owner = NULL; - s->core = core; - s->sample_spec = *spec; - s->inputs = pa_idxset_new(NULL, NULL); - - n = pa_sprintf_malloc("%s_monitor", name); - s->monitor_source = pa_source_new(core, n, 0, spec); - assert(s->monitor_source); - free(n); - s->monitor_source->monitor_of = s; - - s->volume = PA_VOLUME_NORM; - - s->notify = NULL; - s->get_latency = NULL; - s->userdata = NULL; - - r = pa_idxset_put(core->sinks, s, &s->index); - assert(s->index != PA_IDXSET_INVALID && r >= 0); - - pa_sample_snprint(st, sizeof(st), spec); - fprintf(stderr, "sink: created %u \"%s\" with sample spec \"%s\"\n", s->index, s->name, st); - - return s; -} - -void pa_sink_free(struct pa_sink *s) { - struct pa_sink_input *i, *j = NULL; - assert(s); - - 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_idxset_free(s->inputs, NULL, NULL); - - pa_source_free(s->monitor_source); - pa_idxset_remove_by_data(s->core->sinks, s, NULL); - - fprintf(stderr, "sink: freed %u \"%s\"\n", s->index, s->name); - - free(s->name); - free(s->description); - free(s); -} - -void pa_sink_notify(struct pa_sink*s) { - assert(s); - - if (s->notify) - s->notify(s); -} - -static unsigned fill_mix_info(struct pa_sink *s, struct pa_mix_info *info, unsigned maxinfo) { - uint32_t index = PA_IDXSET_INVALID; - struct pa_sink_input *i; - unsigned n = 0; - - assert(s && info); - - for (i = pa_idxset_first(s->inputs, &index); maxinfo > 0 && i; i = pa_idxset_next(s->inputs, &index)) { - if (pa_sink_input_peek(i, &info->chunk) < 0) - continue; - - info->volume = i->volume; - - assert(info->chunk.memblock && info->chunk.memblock->data && info->chunk.length); - info->userdata = i; - - info++; - maxinfo--; - n++; - } - - return n; -} - -static void inputs_drop(struct pa_sink *s, struct pa_mix_info *info, unsigned maxinfo, size_t length) { - assert(s && info); - - for (; maxinfo > 0; maxinfo--, info++) { - struct pa_sink_input *i = info->userdata; - assert(i && info->chunk.memblock); - - pa_memblock_unref(info->chunk.memblock); - pa_sink_input_drop(i, length); - } -} - -int pa_sink_render(struct pa_sink*s, size_t length, struct pa_memchunk *result) { - struct pa_mix_info info[MAX_MIX_CHANNELS]; - unsigned n; - size_t l; - assert(s && length && result); - - n = fill_mix_info(s, info, MAX_MIX_CHANNELS); - - if (n <= 0) - return -1; - - if (n == 1) { - uint32_t volume = PA_VOLUME_NORM; - struct pa_sink_input *i = info[0].userdata; - assert(i); - *result = info[0].chunk; - pa_memblock_ref(result->memblock); - - if (result->length > length) - result->length = length; - - l = result->length; - - if (s->volume != PA_VOLUME_NORM || info[0].volume != PA_VOLUME_NORM) - volume = pa_volume_multiply(s->volume, info[0].volume); - - if (volume != PA_VOLUME_NORM) { - pa_memchunk_make_writable(result); - pa_volume_memchunk(result, &s->sample_spec, volume); - } - } else { - result->memblock = pa_memblock_new(length); - assert(result->memblock); - - result->length = l = pa_mix(info, n, result->memblock->data, length, &s->sample_spec, s->volume); - result->index = 0; - - assert(l); - } - - inputs_drop(s, info, n, l); - - assert(s->monitor_source); - pa_source_post(s->monitor_source, result); - - return 0; -} - -int pa_sink_render_into(struct pa_sink*s, struct pa_memchunk *target) { - struct pa_mix_info info[MAX_MIX_CHANNELS]; - unsigned n; - size_t l; - assert(s && target && target->length && target->memblock && target->memblock->data); - - n = fill_mix_info(s, info, MAX_MIX_CHANNELS); - - if (n <= 0) - return -1; - - if (n == 1) { - uint32_t volume = PA_VOLUME_NORM; - struct pa_sink_info *i = info[0].userdata; - assert(i); - - l = target->length; - if (l > info[0].chunk.length) - l = info[0].chunk.length; - - memcpy(target->memblock->data+target->index, info[0].chunk.memblock->data + info[0].chunk.index, l); - target->length = l; - - if (s->volume != PA_VOLUME_NORM || info[0].volume != PA_VOLUME_NORM) - volume = pa_volume_multiply(s->volume, info[0].volume); - - if (volume != PA_VOLUME_NORM) - pa_volume_memchunk(target, &s->sample_spec, volume); - } else - target->length = l = pa_mix(info, n, target->memblock->data+target->index, target->length, &s->sample_spec, s->volume); - - assert(l); - inputs_drop(s, info, n, l); - - assert(s->monitor_source); - pa_source_post(s->monitor_source, target); - - return 0; -} - -void pa_sink_render_into_full(struct pa_sink *s, struct pa_memchunk *target) { - struct pa_memchunk chunk; - size_t l, d; - assert(s && target && target->memblock && target->length && target->memblock->data); - - 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); - } -} - -uint32_t pa_sink_get_latency(struct pa_sink *s) { - assert(s); - - if (!s->get_latency) - return 0; - - return s->get_latency(s); -} - -struct pa_sink* pa_sink_get_default(struct pa_core *c) { - struct pa_sink *sink; - assert(c); - - if ((sink = pa_idxset_get_by_index(c->sinks, c->default_sink_index))) - return sink; - - if (!(sink = pa_idxset_first(c->sinks, &c->default_sink_index))) - return NULL; - - fprintf(stderr, "core: default sink vanished, setting to %u.\n", sink->index); - return sink; -} - -void pa_sink_set_owner(struct pa_sink *sink, struct pa_module *m) { - sink->owner = m; - - if (sink->monitor_source) - pa_source_set_owner(sink->monitor_source, m); -} |