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authorMichael Niedermayer <michaelni@gmx.at>2002-10-02 22:56:58 +0000
committerMichael Niedermayer <michaelni@gmx.at>2002-10-02 22:56:58 +0000
commit3a3d3a42c29424b2ec5a8b3c2b0a2017fbddb9ad (patch)
treee2c5fbe4c069800806b5d67945cdeac3a271a861 /libavcodec/mpeg12.c
parent3994623df2efd2749631c3492184dd8d4ffa9d1b (diff)
fixing custom quantizer matrix decoding
minor optimizations Originally committed as revision 993 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/mpeg12.c')
-rw-r--r--libavcodec/mpeg12.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/libavcodec/mpeg12.c b/libavcodec/mpeg12.c
index 18afa7630f..6ae8d7ce08 100644
--- a/libavcodec/mpeg12.c
+++ b/libavcodec/mpeg12.c
@@ -1435,7 +1435,7 @@ static void mpeg_decode_quant_matrix_extension(MpegEncContext *s)
if (get_bits1(&s->gb)) {
for(i=0;i<64;i++) {
v = get_bits(&s->gb, 8);
- j = s->intra_scantable.permutated[i];
+ j= s->idct_permutation[ ff_zigzag_direct[i] ];
s->intra_matrix[j] = v;
s->chroma_intra_matrix[j] = v;
}
@@ -1443,7 +1443,7 @@ static void mpeg_decode_quant_matrix_extension(MpegEncContext *s)
if (get_bits1(&s->gb)) {
for(i=0;i<64;i++) {
v = get_bits(&s->gb, 8);
- j = s->intra_scantable.permutated[i];
+ j= s->idct_permutation[ ff_zigzag_direct[i] ];
s->inter_matrix[j] = v;
s->chroma_inter_matrix[j] = v;
}
@@ -1451,14 +1451,14 @@ static void mpeg_decode_quant_matrix_extension(MpegEncContext *s)
if (get_bits1(&s->gb)) {
for(i=0;i<64;i++) {
v = get_bits(&s->gb, 8);
- j = s->intra_scantable.permutated[i];
+ j= s->idct_permutation[ ff_zigzag_direct[i] ];
s->chroma_intra_matrix[j] = v;
}
}
if (get_bits1(&s->gb)) {
for(i=0;i<64;i++) {
v = get_bits(&s->gb, 8);
- j = s->intra_scantable.permutated[i];
+ j= s->idct_permutation[ ff_zigzag_direct[i] ];
s->chroma_inter_matrix[j] = v;
}
}