diff options
| author | Jason Garrett-Glaser <jason@x264.com> | 2011-07-06 14:08:30 -0700 |
|---|---|---|
| committer | Jason Garrett-Glaser <jason@x264.com> | 2011-07-08 16:12:42 -0700 |
| commit | 6a2176aac05e1edbcdf8fb9c26d572d092a00c3c (patch) | |
| tree | 46610cb3f89619a540eb7503dacf266a7afb60f8 /libavcodec | |
| parent | 99b6d2c065c3823e77e23cadaf9077ca954b36ff (diff) | |
H.264: improve qp_thresh check
Eliminate redundant check in filter_mb_fast, consider bit depth in calculating qp_thresh.
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/h264.c | 4 | ||||
| -rw-r--r-- | libavcodec/h264_loopfilter.c | 6 |
2 files changed, 4 insertions, 6 deletions
diff --git a/libavcodec/h264.c b/libavcodec/h264.c index f79f4d1d35..33c9527946 100644 --- a/libavcodec/h264.c +++ b/libavcodec/h264.c @@ -2931,7 +2931,9 @@ static int decode_slice_header(H264Context *h, H264Context *h0){ } } } - h->qp_thresh= 15 + 52 - FFMIN(h->slice_alpha_c0_offset, h->slice_beta_offset) - FFMAX3(0, h->pps.chroma_qp_index_offset[0], h->pps.chroma_qp_index_offset[1]); + h->qp_thresh = 15 + 52 - FFMIN(h->slice_alpha_c0_offset, h->slice_beta_offset) + - FFMAX3(0, h->pps.chroma_qp_index_offset[0], h->pps.chroma_qp_index_offset[1]) + + 6 * (h->sps.bit_depth_luma - 8); #if 0 //FMO if( h->pps.num_slice_groups > 1 && h->pps.mb_slice_group_map_type >= 3 && h->pps.mb_slice_group_map_type <= 5) diff --git a/libavcodec/h264_loopfilter.c b/libavcodec/h264_loopfilter.c index c7163472d3..5de9f784d9 100644 --- a/libavcodec/h264_loopfilter.c +++ b/libavcodec/h264_loopfilter.c @@ -216,7 +216,7 @@ void ff_h264_filter_mb_fast( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, MpegEncContext * const s = &h->s; int mb_xy; int mb_type, left_type, top_type; - int qp, qp0, qp1, qpc, qpc0, qpc1, qp_thresh; + int qp, qp0, qp1, qpc, qpc0, qpc1; int chroma = !(CONFIG_GRAY && (s->flags&CODEC_FLAG_GRAY)); int chroma444 = CHROMA444; @@ -241,10 +241,6 @@ 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+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; if( IS_INTRA(mb_type) ) { static const int16_t bS4[4] = {4,4,4,4}; |