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| author | Loren Merritt <lorenm@u.washington.edu> | 2006-10-01 21:25:17 +0000 |
|---|---|---|
| committer | Loren Merritt <lorenm@u.washington.edu> | 2006-10-01 21:25:17 +0000 |
| commit | 2833fc46462abd841e3d69242be9919c98ad3696 (patch) | |
| tree | 4e9513d1913ff238c35e066877c8795b40d561c8 /libavcodec/dsputil.c | |
| parent | e0769997cb753d8a3c9039b1de1542987cfc0692 (diff) | |
| download | ffmpeg-2833fc46462abd841e3d69242be9919c98ad3696.tar.gz | |
approximate qpel functions: sacrifice some quality for some decoding speed. enabled on B-frames with -lavdopts fast.
Originally committed as revision 6412 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/dsputil.c')
| -rw-r--r-- | libavcodec/dsputil.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/libavcodec/dsputil.c b/libavcodec/dsputil.c index dcf6a543f3..ae5902f79d 100644 --- a/libavcodec/dsputil.c +++ b/libavcodec/dsputil.c @@ -4165,6 +4165,9 @@ void dsputil_init(DSPContext* c, AVCodecContext *avctx) c->prefetch= just_return; + memset(c->put_2tap_qpel_pixels_tab, 0, sizeof(c->put_2tap_qpel_pixels_tab)); + memset(c->avg_2tap_qpel_pixels_tab, 0, sizeof(c->avg_2tap_qpel_pixels_tab)); + #ifdef HAVE_MMX dsputil_init_mmx(c, avctx); #endif @@ -4193,6 +4196,13 @@ void dsputil_init(DSPContext* c, AVCodecContext *avctx) dsputil_init_bfin(c,avctx); #endif + for(i=0; i<64; i++){ + if(!c->put_2tap_qpel_pixels_tab[0][i]) + c->put_2tap_qpel_pixels_tab[0][i]= c->put_h264_qpel_pixels_tab[0][i]; + if(!c->avg_2tap_qpel_pixels_tab[0][i]) + c->avg_2tap_qpel_pixels_tab[0][i]= c->avg_h264_qpel_pixels_tab[0][i]; + } + switch(c->idct_permutation_type){ case FF_NO_IDCT_PERM: for(i=0; i<64; i++) |