diff options
Diffstat (limited to 'src/libffmpeg/libavcodec/4xm.c')
| -rw-r--r-- | src/libffmpeg/libavcodec/4xm.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/libffmpeg/libavcodec/4xm.c b/src/libffmpeg/libavcodec/4xm.c index 80e87c379..03e4a175c 100644 --- a/src/libffmpeg/libavcodec/4xm.c +++ b/src/libffmpeg/libavcodec/4xm.c @@ -426,6 +426,11 @@ static inline void idct_put(FourXContext *f, int x, int y){ for(i=4; i<6; i++) idct(block[i]); } +/* Note transform is: +y= ( 1b + 4g + 2r)/14 +cb=( 3b - 2g - 1r)/14 +cr=(-1b - 4g + 5r)/14 +*/ for(y=0; y<8; y++){ for(x=0; x<8; x++){ DCTELEM *temp= block[(x>>2) + 2*(y>>2)] + 2*(x&3) + 2*8*(y&3); //FIXME optimize @@ -551,7 +556,7 @@ static int decode_i_frame(FourXContext *f, uint8_t *buf, int length){ uint16_t *dst= (uint16_t*)f->current_picture.data[0]; const int stride= f->current_picture.linesize[0]>>1; const int bitstream_size= get32(buf); - const int token_count= get32(buf + bitstream_size + 8); + const int token_count __attribute__((unused)) = get32(buf + bitstream_size + 8); int prestream_size= 4*get32(buf + bitstream_size + 4); uint8_t *prestream= buf + bitstream_size + 12; |