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sample: introduce pa_sample_format_is_{le,be,ne,re}()

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This commit is contained in:
Lennart Poettering 2009-05-25 23:49:47 +02:00
parent 3533599579
commit 346a708c2c
3 changed files with 55 additions and 0 deletions
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33
src/pulse/sample.c
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@ -241,3 +241,36 @@ pa_sample_format_t pa_parse_sample_format(const char *format) {
return -1;
}
int pa_sample_format_is_le(pa_sample_format_t f) {
pa_assert(f >= PA_SAMPLE_U8);
pa_assert(f < PA_SAMPLE_MAX);
switch (f) {
case PA_SAMPLE_S16LE:
case PA_SAMPLE_S24LE:
case PA_SAMPLE_S32LE:
case PA_SAMPLE_S24_32LE:
case PA_SAMPLE_FLOAT32LE:
return 1;
case PA_SAMPLE_S16BE:
case PA_SAMPLE_S24BE:
case PA_SAMPLE_S32BE:
case PA_SAMPLE_S24_32BE:
case PA_SAMPLE_FLOAT32BE:
return 0;
default:
return -1;
}
}
int pa_sample_format_is_be(pa_sample_format_t f) {
int r;
if ((r = pa_sample_format_is_le(f)) < 0)
return r;
return !r;
}