diff options
author | Måns Rullgård <mans@mansr.com> | 2010-05-01 01:30:22 +0400 |
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committer | Måns Rullgård <mans@mansr.com> | 2010-05-01 01:30:22 +0400 |
commit | 5e1ba34bbba7b50c45ef0d10350fe01a3cf63290 (patch) | |
tree | 08673c61fff9f1ff3efd5a17e2a2b44c65633711 /libavcodec/vp56.c | |
parent | ff866063e981ea6a51036c2ffd9bb152b8219437 (diff) |
VP56: move vp56_edge_filter to new VP56DSPContext
Using macro templates allows the vp[56]_adjust functions to be
inlined instead of called through function pointers. The new
function pointers enable optimised implementations of the filters.
4% faster VP6 decoding on Cortex-A8.
Originally committed as revision 22992 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/vp56.c')
-rw-r--r-- | libavcodec/vp56.c | 20 |
1 files changed, 3 insertions, 17 deletions
diff --git a/libavcodec/vp56.c b/libavcodec/vp56.c index 5ce838aa78..74fe5ff5f4 100644 --- a/libavcodec/vp56.c +++ b/libavcodec/vp56.c @@ -300,27 +300,12 @@ static void vp56_add_predictors_dc(VP56Context *s, VP56Frame ref_frame) } } -static void vp56_edge_filter(VP56Context *s, uint8_t *yuv, - int pix_inc, int line_inc, int t) -{ - int pix2_inc = 2 * pix_inc; - int i, v; - - for (i=0; i<12; i++) { - v = (yuv[-pix2_inc] + 3*(yuv[0]-yuv[-pix_inc]) - yuv[pix_inc] + 4) >>3; - v = s->adjust(v, t); - yuv[-pix_inc] = av_clip_uint8(yuv[-pix_inc] + v); - yuv[0] = av_clip_uint8(yuv[0] - v); - yuv += line_inc; - } -} - static void vp56_deblock_filter(VP56Context *s, uint8_t *yuv, int stride, int dx, int dy) { int t = vp56_filter_threshold[s->quantizer]; - if (dx) vp56_edge_filter(s, yuv + 10-dx , 1, stride, t); - if (dy) vp56_edge_filter(s, yuv + stride*(10-dy), stride, 1, t); + if (dx) s->vp56dsp.edge_filter_hor(yuv + 10-dx , stride, t); + if (dy) s->vp56dsp.edge_filter_ver(yuv + stride*(10-dy), stride, t); } static void vp56_mc(VP56Context *s, int b, int plane, uint8_t *src, @@ -665,6 +650,7 @@ av_cold void vp56_init(AVCodecContext *avctx, int flip, int has_alpha) if (avctx->idct_algo == FF_IDCT_AUTO) avctx->idct_algo = FF_IDCT_VP3; dsputil_init(&s->dsp, avctx); + ff_vp56dsp_init(&s->vp56dsp, avctx->codec->id); ff_init_scantable(s->dsp.idct_permutation, &s->scantable,ff_zigzag_direct); for (i=0; i<4; i++) |