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| author | James Almer <jamrial@gmail.com> | 2015-02-04 20:21:56 -0300 |
|---|---|---|
| committer | James Almer <jamrial@gmail.com> | 2015-02-05 15:02:27 -0300 |
| commit | 042c1159fcf8431725c718a504b1fb40364bf434 (patch) | |
| tree | f80a1ec51d5d10feccdbcc6be4cc1a652c26e4ce /libavcodec/hevc_filter.c | |
| parent | 1f1c7c8a57e81803a034b00077bd43e7a6e4ed82 (diff) | |
| download | ffmpeg-042c1159fcf8431725c718a504b1fb40364bf434.tar.gz | |
x86/hevcdsp: add ff_hevc_sao_edge_filter_8_{ssse3,avx2}
Original x86 intrinsics code and initial yasm port by Pierre-Edouard Lepere.
Refactoring and optimizations by James Almer.
Benchmarks of BQTerrace_1920x1080_60_qp22.bin with an Intel Core i5-4200U
Width 32
158583 decicycles in edge, sao_edge_filter_8 runs, 0 skips
5205 decicycles in ff_hevc_sao_edge_filter_32_8_ssse3, 32767 runs, 1 skips
2942 decicycles in ff_hevc_sao_edge_filter_32_8_avx2, 32767 runs, 1 skips
Width 64
705639 decicycles in sao_edge_filter_8, 262144 runs, 0 skips
19224 decicycles in ff_hevc_sao_edge_filter_64_8_ssse3, 262111 runs, 33 skips
10433 decicycles in ff_hevc_sao_edge_filter_64_8_avx2, 262115 runs, 29 skips
Signed-off-by: James Almer <jamrial@gmail.com>
Diffstat (limited to 'libavcodec/hevc_filter.c')
| -rw-r--r-- | libavcodec/hevc_filter.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/libavcodec/hevc_filter.c b/libavcodec/hevc_filter.c index cea975da79..54dc708e2c 100644 --- a/libavcodec/hevc_filter.c +++ b/libavcodec/hevc_filter.c @@ -246,7 +246,7 @@ static void restore_tqb_pixels(HEVCContext *s, static void sao_filter_CTB(HEVCContext *s, int x, int y) { - static const uint8_t band_tab[8] = { 0, 1, 2, 2, 3, 3, 4, 4 }; + static const uint8_t sao_tab[8] = { 0, 1, 2, 2, 3, 3, 4, 4 }; HEVCLocalContext *lc = s->HEVClc; int c_idx; int edges[4]; // 0 left 1 top 2 right 3 bottom @@ -312,7 +312,7 @@ static void sao_filter_CTB(HEVCContext *s, int x, int y) int ctb_size_v = (1 << (s->sps->log2_ctb_size)) >> s->sps->vshift[c_idx]; int width = FFMIN(ctb_size_h, (s->sps->width >> s->sps->hshift[c_idx]) - x0); int height = FFMIN(ctb_size_v, (s->sps->height >> s->sps->vshift[c_idx]) - y0); - int tab = band_tab[(FFALIGN(width, 8) >> 3) - 1]; + int tab = sao_tab[(FFALIGN(width, 8) >> 3) - 1]; uint8_t *src = &s->frame->data[c_idx][y0 * stride_src + (x0 << s->sps->pixel_shift)]; int stride_dst; uint8_t *dst; @@ -427,8 +427,8 @@ static void sao_filter_CTB(HEVCContext *s, int x, int y) copy_CTB_to_hv(s, src, stride_src, x0, y0, width, height, c_idx, x_ctb, y_ctb); - s->hevcdsp.sao_edge_filter(src, dst, stride_src, sao->offset_val[c_idx], - sao->eo_class[c_idx], width, height); + s->hevcdsp.sao_edge_filter[tab](src, dst, stride_src, sao->offset_val[c_idx], + sao->eo_class[c_idx], width, height); s->hevcdsp.sao_edge_restore[restore](src, dst, stride_src, stride_dst, sao, |