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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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26
src/sample.c
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@ -7,18 +7,20 @@ size_t pa_sample_size(struct pa_sample_spec *spec) {
size_t b = 1;
switch (spec->format) {
case SAMPLE_U8:
case SAMPLE_ULAW:
case SAMPLE_ALAW:
case PA_SAMPLE_U8:
case PA_SAMPLE_ULAW:
case PA_SAMPLE_ALAW:
b = 1;
break;
case SAMPLE_S16LE:
case SAMPLE_S16BE:
case PA_SAMPLE_S16LE:
case PA_SAMPLE_S16BE:
b = 2;
break;
case SAMPLE_FLOAT32:
case PA_SAMPLE_FLOAT32:
b = 4;
break;
default:
assert(0);
}
return b * spec->channels;
@ -35,3 +37,15 @@ uint32_t pa_samples_usec(size_t length, struct pa_sample_spec *spec) {
return (uint32_t) (((double) length /pa_sample_size(spec))/spec->rate*1000000);
}
int pa_sample_spec_valid(struct pa_sample_spec *spec) {
assert(spec);
if (!spec->rate || !spec->channels)
return 0;
if (spec->format <= 0 || spec->format >= PA_SAMPLE_MAX)
return 0;
return 1;
}