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ffmpeg.wasm-core
Commit c72e05ba authored by Kostya Shishkov's avatar Kostya Shishkov
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Smacker Audio stereo fix 

Originally committed as revision 8460 to svn://svn.ffmpeg.org/ffmpeg/trunk
parent 5d171758
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Showing with 8 additions and 14 deletions
libavcodec/smacker.c
View file @ c72e05ba
...@@ -620,14 +620,10 @@ static int smka_decode_frame(AVCodecContext *avctx, void *data, int *data_size, ...@@ -620,14 +620,10 @@ static int smka_decode_frame(AVCodecContext *avctx, void *data, int *data_size,
} }
} }
if(bits) { //decode 16-bit data if(bits) { //decode 16-bit data
pred[0] = get_bits(&gb, 8); for(i = stereo; i >= 0; i--)
pred[0] |= get_bits(&gb, 8); pred[i] = bswap_16(get_bits(&gb, 16));
*samples++ = pred[0]; for(i = 0; i < stereo; i++)
if(stereo) { *samples++ = pred[i];
pred[1] = get_bits(&gb, 8);
pred[1] |= get_bits(&gb, 8);
*samples++ = pred[1];
}
for(i = 0; i < unp_size / 2; i++) { for(i = 0; i < unp_size / 2; i++) {
if(i & stereo) { if(i & stereo) {
if(vlc[2].table) if(vlc[2].table)
...@@ -658,12 +654,10 @@ static int smka_decode_frame(AVCodecContext *avctx, void *data, int *data_size, ...@@ -658,12 +654,10 @@ static int smka_decode_frame(AVCodecContext *avctx, void *data, int *data_size,
} }
} }
} else { //8-bit data } else { //8-bit data
pred[0] = get_bits(&gb, 8); for(i = stereo; i >= 0; i--)
*samples++ = (pred[0] - 0x80) << 8; pred[i] = get_bits(&gb, 8);
if(stereo) { for(i = 0; i < stereo; i++)
pred[1] = get_bits(&gb, 8); *samples++ = (pred[i] - 0x80) << 8;
*samples++ = (pred[1] - 0x80) << 8;
}
for(i = 0; i < unp_size; i++) { for(i = 0; i < unp_size; i++) {
if(i & stereo){ if(i & stereo){
if(vlc[1].table) if(vlc[1].table)
......
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