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esound protocol

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git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@40 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2004-06-29 16:48:37 +00:00
parent a74cd2a1bd
commit ef422fa4ae
18 changed files with 806 additions and 46 deletions
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18
src/sample-util.c
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@ -4,7 +4,7 @@
#include "sample-util.h"
struct pa_sample_spec default_sample_spec = {
.format = SAMPLE_S16NE,
.format = PA_SAMPLE_S16NE,
.rate = 44100,
.channels = 2
};
@ -27,18 +27,20 @@ void silence_memory(void *p, size_t length, struct pa_sample_spec *spec) {
assert(p && length && spec);
switch (spec->format) {
case SAMPLE_U8:
case PA_SAMPLE_U8:
c = 127;
break;
case SAMPLE_S16LE:
case SAMPLE_S16BE:
case SAMPLE_FLOAT32:
case PA_SAMPLE_S16LE:
case PA_SAMPLE_S16BE:
case PA_SAMPLE_FLOAT32:
c = 0;
break;
case SAMPLE_ALAW:
case SAMPLE_ULAW:
case PA_SAMPLE_ALAW:
case PA_SAMPLE_ULAW:
c = 80;
break;
default:
assert(0);
}
memset(p, c, length);
@ -47,7 +49,7 @@ void silence_memory(void *p, size_t length, struct pa_sample_spec *spec) {
size_t mix_chunks(struct mix_info channels[], unsigned nchannels, void *data, size_t length, struct pa_sample_spec *spec, uint8_t volume) {
unsigned c, d;
assert(channels && data && length && spec);
assert(spec->format == SAMPLE_S16NE);
assert(spec->format == PA_SAMPLE_S16NE);
for (d = 0;; d += sizeof(int16_t)) {
int32_t sum = 0;