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| author | Michael Niedermayer <michaelni@gmx.at> | 2004-09-25 23:18:58 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2004-09-25 23:18:58 +0000 |
| commit | 178fcca84883bdbff02d5ae8eb7825bf884b40d8 (patch) | |
| tree | daf6d857ef63cf0ad688acdadf1091732507b965 /libavcodec/i386/dsputil_mmx.c | |
| parent | bc133816c03b32d722fa43cfe1d199a273fc65b4 (diff) | |
| download | ffmpeg-178fcca84883bdbff02d5ae8eb7825bf884b40d8.tar.gz | |
1/2 resolution decoding
Originally committed as revision 3507 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/i386/dsputil_mmx.c')
| -rw-r--r-- | libavcodec/i386/dsputil_mmx.c | 33 |
1 files changed, 17 insertions, 16 deletions
diff --git a/libavcodec/i386/dsputil_mmx.c b/libavcodec/i386/dsputil_mmx.c index fcdd426d36..4d19e66f37 100644 --- a/libavcodec/i386/dsputil_mmx.c +++ b/libavcodec/i386/dsputil_mmx.c @@ -2984,23 +2984,24 @@ void dsputil_init_mmx(DSPContext* c, AVCodecContext *avctx) } } #endif //CONFIG_ENCODERS - - if(idct_algo==FF_IDCT_AUTO || idct_algo==FF_IDCT_SIMPLEMMX){ - c->idct_put= ff_simple_idct_put_mmx; - c->idct_add= ff_simple_idct_add_mmx; - c->idct = ff_simple_idct_mmx; - c->idct_permutation_type= FF_SIMPLE_IDCT_PERM; - }else if(idct_algo==FF_IDCT_LIBMPEG2MMX){ - if(mm_flags & MM_MMXEXT){ - c->idct_put= ff_libmpeg2mmx2_idct_put; - c->idct_add= ff_libmpeg2mmx2_idct_add; - c->idct = ff_mmxext_idct; - }else{ - c->idct_put= ff_libmpeg2mmx_idct_put; - c->idct_add= ff_libmpeg2mmx_idct_add; - c->idct = ff_mmx_idct; + if(avctx->lowres==0){ + if(idct_algo==FF_IDCT_AUTO || idct_algo==FF_IDCT_SIMPLEMMX){ + c->idct_put= ff_simple_idct_put_mmx; + c->idct_add= ff_simple_idct_add_mmx; + c->idct = ff_simple_idct_mmx; + c->idct_permutation_type= FF_SIMPLE_IDCT_PERM; + }else if(idct_algo==FF_IDCT_LIBMPEG2MMX){ + if(mm_flags & MM_MMXEXT){ + c->idct_put= ff_libmpeg2mmx2_idct_put; + c->idct_add= ff_libmpeg2mmx2_idct_add; + c->idct = ff_mmxext_idct; + }else{ + c->idct_put= ff_libmpeg2mmx_idct_put; + c->idct_add= ff_libmpeg2mmx_idct_add; + c->idct = ff_mmx_idct; + } + c->idct_permutation_type= FF_LIBMPEG2_IDCT_PERM; } - c->idct_permutation_type= FF_LIBMPEG2_IDCT_PERM; } /* VP3 optimized DSP functions */ |