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incorporate miroslav's speedup for little-endian 16bps mono/stereo

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Josh Coalson
2002-09-04 07:59:28 +00:00
parent 5dcb57df9e
commit b4baa41581
1 changed files with 13 additions and 0 deletions
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13
src/libFLAC/md5.c
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@@ -241,6 +241,19 @@ FLAC__MD5Accumulate(struct MD5Context *ctx, const FLAC__int32 * const signal[],
buf_ = ctx->internal_buf;
#ifdef FLAC__CPU_IA32
if(channels == 2 && bytes_per_sample == 2) {
memcpy(buf_, signal[0], sizeof(FLAC__int32) * samples);
buf_ += sizeof(FLAC__int16);
for(sample = 0; sample < samples; sample++)
((FLAC__int16 *)buf_)[2 * sample] = (FLAC__int16)signal[1][sample];
}
else if(channels == 1 && bytes_per_sample == 2) {
for(sample = 0; sample < samples; sample++)
((FLAC__int16 *)buf_)[sample] = (FLAC__int16)signal[0][sample];
}
else
#endif
for(sample = 0; sample < samples; sample++) {
for(channel = 0; channel < channels; channel++) {
a_word = signal[channel][sample];