diff options
author | Michael Niedermayer <michaelni@gmx.at> | 2010-01-23 18:05:30 +0000 |
---|---|---|
committer | Michael Niedermayer <michaelni@gmx.at> | 2010-01-23 18:05:30 +0000 |
commit | 0c32e19d584ba6ddbc27f0a796260404daaf4b6a (patch) | |
tree | 3f381e5a8a8119f0ff1c830bcc05880a32929c54 /libavcodec/h264_loopfilter.c | |
parent | 6231d0983b1e773c5244f84b0fd2b6a26c01eea7 (diff) |
Move +52 from the loop filter to the alpha/beta offsets in the context.
This should fix a segfault, also it might be faster on systems where the
+52 wasnt free.
Originally committed as revision 21406 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/h264_loopfilter.c')
-rw-r--r-- | libavcodec/h264_loopfilter.c | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/libavcodec/h264_loopfilter.c b/libavcodec/h264_loopfilter.c index b89da9f3d9..84a3464cc5 100644 --- a/libavcodec/h264_loopfilter.c +++ b/libavcodec/h264_loopfilter.c @@ -100,9 +100,9 @@ static const uint8_t tc0_table[52*3][4] = { }; static void av_noinline filter_mb_edgev( uint8_t *pix, int stride, int16_t bS[4], unsigned int qp, H264Context *h) { - const unsigned int index_a = 52 + qp + h->slice_alpha_c0_offset; + const unsigned int index_a = qp + h->slice_alpha_c0_offset; const int alpha = alpha_table[index_a]; - const int beta = (beta_table+52)[qp + h->slice_beta_offset]; + const int beta = beta_table[qp + h->slice_beta_offset]; if (alpha ==0 || beta == 0) return; if( bS[0] < 4 ) { @@ -117,9 +117,9 @@ static void av_noinline filter_mb_edgev( uint8_t *pix, int stride, int16_t bS[4] } } static void av_noinline filter_mb_edgecv( uint8_t *pix, int stride, int16_t bS[4], unsigned int qp, H264Context *h ) { - const unsigned int index_a = 52 + qp + h->slice_alpha_c0_offset; + const unsigned int index_a = qp + h->slice_alpha_c0_offset; const int alpha = alpha_table[index_a]; - const int beta = (beta_table+52)[qp + h->slice_beta_offset]; + const int beta = beta_table[qp + h->slice_beta_offset]; if (alpha ==0 || beta == 0) return; if( bS[0] < 4 ) { @@ -137,8 +137,8 @@ static void av_noinline filter_mb_edgecv( uint8_t *pix, int stride, int16_t bS[4 static void filter_mb_mbaff_edgev( H264Context *h, uint8_t *pix, int stride, int16_t bS[4], int bsi, int qp ) { int i; int index_a = qp + h->slice_alpha_c0_offset; - int alpha = (alpha_table+52)[index_a]; - int beta = (beta_table+52)[qp + h->slice_beta_offset]; + int alpha = alpha_table[index_a]; + int beta = beta_table[qp + h->slice_beta_offset]; for( i = 0; i < 8; i++, pix += stride) { const int bS_index = (i >> 1) * bsi; @@ -147,7 +147,7 @@ static void filter_mb_mbaff_edgev( H264Context *h, uint8_t *pix, int stride, int } if( bS[bS_index] < 4 ) { - const int tc0 = (tc0_table+52)[index_a][bS[bS_index]]; + const int tc0 = tc0_table[index_a][bS[bS_index]]; const int p0 = pix[-1]; const int p1 = pix[-2]; const int p2 = pix[-3]; @@ -226,8 +226,8 @@ static void filter_mb_mbaff_edgev( H264Context *h, uint8_t *pix, int stride, int static void filter_mb_mbaff_edgecv( H264Context *h, uint8_t *pix, int stride, int16_t bS[4], int bsi, int qp ) { int i; int index_a = qp + h->slice_alpha_c0_offset; - int alpha = (alpha_table+52)[index_a]; - int beta = (beta_table+52)[qp + h->slice_beta_offset]; + int alpha = alpha_table[index_a]; + int beta = beta_table[qp + h->slice_beta_offset]; for( i = 0; i < 4; i++, pix += stride) { const int bS_index = i*bsi; @@ -236,7 +236,7 @@ static void filter_mb_mbaff_edgecv( H264Context *h, uint8_t *pix, int stride, in } if( bS[bS_index] < 4 ) { - const int tc = (tc0_table+52)[index_a][bS[bS_index]] + 1; + const int tc = tc0_table[index_a][bS[bS_index]] + 1; const int p0 = pix[-1]; const int p1 = pix[-2]; const int q0 = pix[0]; @@ -270,9 +270,9 @@ static void filter_mb_mbaff_edgecv( H264Context *h, uint8_t *pix, int stride, in } static void av_noinline filter_mb_edgeh( uint8_t *pix, int stride, int16_t bS[4], unsigned int qp, H264Context *h ) { - const unsigned int index_a = 52 + qp + h->slice_alpha_c0_offset; + const unsigned int index_a = qp + h->slice_alpha_c0_offset; const int alpha = alpha_table[index_a]; - const int beta = (beta_table+52)[qp + h->slice_beta_offset]; + const int beta = beta_table[qp + h->slice_beta_offset]; if (alpha ==0 || beta == 0) return; if( bS[0] < 4 ) { @@ -288,9 +288,9 @@ static void av_noinline filter_mb_edgeh( uint8_t *pix, int stride, int16_t bS[4] } static void av_noinline filter_mb_edgech( uint8_t *pix, int stride, int16_t bS[4], unsigned int qp, H264Context *h ) { - const unsigned int index_a = 52 + qp + h->slice_alpha_c0_offset; + const unsigned int index_a = qp + h->slice_alpha_c0_offset; const int alpha = alpha_table[index_a]; - const int beta = (beta_table+52)[qp + h->slice_beta_offset]; + const int beta = beta_table[qp + h->slice_beta_offset]; if (alpha ==0 || beta == 0) return; if( bS[0] < 4 ) { @@ -332,7 +332,7 @@ void ff_h264_filter_mb_fast( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, qp1 = (qp + qp1 + 1) >> 1; qpc0 = (qpc + qpc0 + 1) >> 1; qpc1 = (qpc + qpc1 + 1) >> 1; - qp_thresh = 15 - h->slice_alpha_c0_offset; + qp_thresh = 15+52 - h->slice_alpha_c0_offset; if(qp <= qp_thresh && qp0 <= qp_thresh && qp1 <= qp_thresh && qpc <= qp_thresh && qpc0 <= qp_thresh && qpc1 <= qp_thresh) return; |