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ffmpeg.wasm-core
Commit d67e7492 authored by Michael Niedermayer's avatar Michael Niedermayer
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smacker: fix a few off by 1 errors 

stereo & 16bit is untested due to lack of samples
Signed-off-by: 's avatarMichael Niedermayer <michaelni@gmx.at>
parent 32c0c562
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Showing with 84 additions and 86 deletions
libavcodec/smacker.c
View file @ d67e7492
......@@ -625,9 +625,9 @@ static int smka_decode_frame(AVCodecContext *avctx, void *data, int *data_size,
if(bits) { //decode 16-bit data
for(i = stereo; i >= 0; i--)
pred[i] = av_bswap16(get_bits(&gb, 16));
for(i = 0; i < stereo; i++)
for(i = 0; i <= stereo; i++)
*samples++ = pred[i];
for(i = 0; i < unp_size / 2; i++) {
for(; i < unp_size / 2; i++) {
if(i & stereo) {
if(vlc[2].table)
res = get_vlc2(&gb, vlc[2].table, SMKTREE_BITS, 3);
......@@ -659,11 +659,9 @@ static int smka_decode_frame(AVCodecContext *avctx, void *data, int *data_size,
} else { //8-bit data
for(i = stereo; i >= 0; i--)
pred[i] = get_bits(&gb, 8);
if (stereo + unp_size > *data_size)
return -1;
for(i = 0; i < stereo; i++)
for(i = 0; i <= stereo; i++)
*samples8++ = pred[i];
for(i = 0; i < unp_size; i++) {
for(; i < unp_size; i++) {
if(i & stereo){
if(vlc[1].table)
res = get_vlc2(&gb, vlc[1].table, SMKTREE_BITS, 3);
......
tests/ref/fate/smacker
View file @ d67e7492
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......@@ -15,163 +15,163 @@
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......
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