diff options
| -rw-r--r-- | libavcodec/h264.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libavcodec/h264.c b/libavcodec/h264.c index 550c4990db..f4c172b606 100644 --- a/libavcodec/h264.c +++ b/libavcodec/h264.c @@ -6003,6 +6003,7 @@ static void filter_mb_edgev( H264Context *h, uint8_t *pix, int stride, int16_t b const int index_a = qp + h->slice_alpha_c0_offset; const int alpha = (alpha_table+52)[index_a]; const int beta = (beta_table+52)[qp + h->slice_beta_offset]; + if (alpha ==0 || beta == 0) return; if( bS[0] < 4 ) { int8_t tc[4]; @@ -6019,6 +6020,7 @@ static void filter_mb_edgecv( H264Context *h, uint8_t *pix, int stride, int16_t const int index_a = qp + h->slice_alpha_c0_offset; const int alpha = (alpha_table+52)[index_a]; const int beta = (beta_table+52)[qp + h->slice_beta_offset]; + if (alpha ==0 || beta == 0) return; if( bS[0] < 4 ) { int8_t tc[4]; @@ -6187,6 +6189,7 @@ static void filter_mb_edgeh( H264Context *h, uint8_t *pix, int stride, int16_t b const int index_a = qp + h->slice_alpha_c0_offset; const int alpha = (alpha_table+52)[index_a]; const int beta = (beta_table+52)[qp + h->slice_beta_offset]; + if (alpha ==0 || beta == 0) return; if( bS[0] < 4 ) { int8_t tc[4]; @@ -6204,6 +6207,7 @@ static void filter_mb_edgech( H264Context *h, uint8_t *pix, int stride, int16_t const int index_a = qp + h->slice_alpha_c0_offset; const int alpha = (alpha_table+52)[index_a]; const int beta = (beta_table+52)[qp + h->slice_beta_offset]; + if (alpha ==0 || beta == 0) return; if( bS[0] < 4 ) { int8_t tc[4]; |