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got mmap oss output working

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git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@20 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2004-06-16 00:05:30 +00:00
parent a8f788111c
commit 4b86ff0e6c
17 changed files with 607 additions and 112 deletions
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67
src/sink.c
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@ -33,6 +33,7 @@ struct sink* sink_new(struct core *core, const char *name, const struct sample_s
s->volume = 0xFF;
s->notify = NULL;
s->get_latency = NULL;
s->userdata = NULL;
r = idxset_put(core->sinks, s, &s->index);
@ -138,14 +139,18 @@ int sink_render(struct sink*s, size_t length, struct memchunk *result) {
}
inputs_drop(s, info, n, l);
assert(s->monitor_source);
source_post(s->monitor_source, result);
return 0;
}
int sink_render_into(struct sink*s, struct memblock *target, struct memchunk *result) {
int sink_render_into(struct sink*s, struct memchunk *target) {
struct mix_info info[MAX_MIX_CHANNELS];
unsigned n;
size_t l;
assert(s && target && target->length && target->data && result);
assert(s && target && target->length && target->memblock && target->memblock->data);
n = fill_mix_info(s, info, MAX_MIX_CHANNELS);
@ -160,18 +165,52 @@ int sink_render_into(struct sink*s, struct memblock *target, struct memchunk *re
if (l > info[0].chunk.length)
l = info[0].chunk.length;
result->memblock = target;
memcpy(target->data, info[0].chunk.memblock->data + info[0].chunk.index, l);
result->length = target->length = l;
result->index = 0;
} else {
result->memblock = target;
result->length = l = mix_chunks(info, n, target->data, target->length, &s->sample_spec, s->volume);
result->index = 0;
assert(l);
}
memcpy(target->memblock->data+target->index, info[0].chunk.memblock->data + info[0].chunk.index, l);
target->length = l;
} else
target->length = l = mix_chunks(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);
source_post(s->monitor_source, target);
return 0;
}
void sink_render_into_full(struct sink *s, struct memchunk *target) {
struct 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 (sink_render_into(s, &chunk) < 0)
break;
d += chunk.length;
l -= chunk.length;
}
if (l > 0) {
chunk = *target;
chunk.index += d;
chunk.length -= d;
silence_memchunk(&chunk, &s->sample_spec);
}
}
uint32_t sink_get_latency(struct sink *s) {
assert(s);
if (!s->get_latency)
return 0;
return s->get_latency(s);
}