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bnnm 2021-06-20 11:24:32 +02:00
parent ee93b9d59f
commit 05ff8464fd
2 changed files with 12 additions and 2 deletions
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4
src/coding/coding.h
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@ -90,7 +90,9 @@ void decode_ulaw(VGMSTREAMCHANNEL* stream, sample_t* outbuf, int channelspacing,
void decode_ulaw_int(VGMSTREAMCHANNEL* stream, sample_t* outbuf, int channelspacing, int32_t first_sample, int32_t samples_to_do);
void decode_alaw(VGMSTREAMCHANNEL* stream, sample_t* outbuf, int channelspacing, int32_t first_sample, int32_t samples_to_do);
void decode_pcmfloat(VGMSTREAMCHANNEL* stream, sample_t* outbuf, int channelspacing, int32_t first_sample, int32_t samples_to_do, int big_endian);
size_t pcm_bytes_to_samples(size_t bytes, int channels, int bits_per_sample);
int32_t pcm_bytes_to_samples(size_t bytes, int channels, int bits_per_sample);
int32_t pcm16_bytes_to_samples(size_t bytes, int channels);
int32_t pcm8_bytes_to_samples(size_t bytes, int channels);
/* psx_decoder */

10
src/coding/pcm_decoder.c
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@ -216,7 +216,15 @@ void decode_pcmfloat(VGMSTREAMCHANNEL * stream, sample_t * outbuf, int channelsp
}
}
size_t pcm_bytes_to_samples(size_t bytes, int channels, int bits_per_sample) {
int32_t pcm_bytes_to_samples(size_t bytes, int channels, int bits_per_sample) {
if (channels <= 0 || bits_per_sample <= 0) return 0;
return ((int64_t)bytes * 8) / channels / bits_per_sample;
}
int32_t pcm16_bytes_to_samples(size_t bytes, int channels) {
return pcm_bytes_to_samples(bytes, channels, 16);
}
int32_t pcm8_bytes_to_samples(size_t bytes, int channels) {
return pcm_bytes_to_samples(bytes, channels, 8);
}