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audio/mp3: Bug fix: LR was swapped

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This commit is contained in:
Hajime Hoshi 2017-06-17 23:10:06 +09:00
parent c496d94047
commit 76320010f4
1 changed files with 7 additions and 4 deletions
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11
audio/mp3/l3.go
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@ -599,15 +599,18 @@ func (f *frame) l3SubbandSynthesis(gr int, ch int, out []uint32) {
} }
samp &= 0xffff samp &= 0xffff
s := uint32(samp) s := uint32(samp)
if ch == 0 { /* This function must be called for channel 0 first */ // This function must be called for channel 0 first.
/* We always run in stereo mode,& duplicate channels here for mono */ if ch == 0 {
// We always run in stereo mode,& duplicate channels here for mono.
if nch == 1 { if nch == 1 {
out[32*ss+i] = (s << 16) | (s) out[32*ss+i] = (s << 16) | (s)
} else { } else {
out[32*ss+i] = s << 16 // Note that this is different from original PDMP3.
// Samples are set in little endian order here.
out[32*ss+i] = s
} }
} else { } else {
out[32*ss+i] |= s out[32*ss+i] |= (s << 16)
} }
} }
} }