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commit liboil porting changes

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git-svn-id: file:///home/lennart/svn/public/pulseaudio/branches/liboil-test@344 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2005-09-15 23:42:56 +00:00
parent 0c9873e5b3
commit e1f008f2a3
23 changed files with 917 additions and 232 deletions
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60
polyp/sample.c
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@ -69,10 +69,11 @@ pa_usec_t pa_bytes_to_usec(uint64_t length, const struct pa_sample_spec *spec) {
int pa_sample_spec_valid(const struct pa_sample_spec *spec) {
assert(spec);
if (spec->rate <= 0 || spec->channels <= 0)
return 0;
if (spec->format >= PA_SAMPLE_MAX || spec->format < 0)
if (spec->rate <= 0 ||
spec->channels <= 0 ||
spec->channels >= PA_CHANNELS_MAX ||
spec->format >= PA_SAMPLE_MAX ||
spec->format < 0)
return 0;
return 1;
@ -86,13 +87,13 @@ int pa_sample_spec_equal(const struct pa_sample_spec*a, const struct pa_sample_s
const char *pa_sample_format_to_string(enum pa_sample_format f) {
static const char* const table[]= {
[PA_SAMPLE_U8] = "U8",
[PA_SAMPLE_ALAW] = "ALAW",
[PA_SAMPLE_ULAW] = "ULAW",
[PA_SAMPLE_S16LE] = "S16LE",
[PA_SAMPLE_S16BE] = "S16BE",
[PA_SAMPLE_FLOAT32LE] = "FLOAT32LE",
[PA_SAMPLE_FLOAT32BE] = "FLOAT32BE",
[PA_SAMPLE_U8] = "u8",
[PA_SAMPLE_ALAW] = "aLaw",
[PA_SAMPLE_ULAW] = "uLaw",
[PA_SAMPLE_S16LE] = "s16le",
[PA_SAMPLE_S16BE] = "s16be",
[PA_SAMPLE_FLOAT32LE] = "float32le",
[PA_SAMPLE_FLOAT32BE] = "float32be",
};
if (f >= PA_SAMPLE_MAX)
@ -112,43 +113,6 @@ char *pa_sample_spec_snprint(char *s, size_t l, const struct pa_sample_spec *spe
return s;
}
pa_volume_t pa_volume_multiply(pa_volume_t a, pa_volume_t b) {
uint64_t p = a;
p *= b;
p /= PA_VOLUME_NORM;
return (pa_volume_t) p;
}
pa_volume_t pa_volume_from_dB(double f) {
if (f <= PA_DECIBEL_MININFTY)
return PA_VOLUME_MUTED;
return (pa_volume_t) (pow(10, f/20)*PA_VOLUME_NORM);
}
double pa_volume_to_dB(pa_volume_t v) {
if (v == PA_VOLUME_MUTED)
return PA_DECIBEL_MININFTY;
return 20*log10((double) v/PA_VOLUME_NORM);
}
#define USER_DECIBEL_RANGE 30
double pa_volume_to_user(pa_volume_t v) {
double dB = pa_volume_to_dB(v);
return dB < -USER_DECIBEL_RANGE ? 0 : dB/USER_DECIBEL_RANGE+1;
}
pa_volume_t pa_volume_from_user(double v) {
if (v <= 0)
return PA_VOLUME_MUTED;
return pa_volume_from_dB((v-1)*USER_DECIBEL_RANGE);
}
void pa_bytes_snprint(char *s, size_t l, unsigned v) {
if (v >= ((unsigned) 1024)*1024*1024)