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| author | Ronald S. Bultje <rsbultje@gmail.com> | 2011-09-30 14:37:11 +0200 |
|---|---|---|
| committer | Ronald S. Bultje <rsbultje@gmail.com> | 2011-10-11 07:50:48 -0700 |
| commit | e3f530feca80627e278e15fbe3b60cef7a6b630d (patch) | |
| tree | 83a8baa47aae275182f4da7cb9268c0d7be82e83 /libavcodec/proresdec.c | |
| parent | 6aa3cac6bf561712086ae413a36b5f05087c8887 (diff) | |
| download | ffmpeg-e3f530feca80627e278e15fbe3b60cef7a6b630d.tar.gz | |
prores: idct sse2/sse4 optimizations.
~3.0-3.5x as fast as original C version, 1.6x as fast overall.
Diffstat (limited to 'libavcodec/proresdec.c')
| -rw-r--r-- | libavcodec/proresdec.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavcodec/proresdec.c b/libavcodec/proresdec.c index cbbd068a10..3b539a1c49 100644 --- a/libavcodec/proresdec.c +++ b/libavcodec/proresdec.c @@ -545,8 +545,8 @@ static int decode_slice(ProresContext *ctx, int pic_num, int slice_num, if (ctx->qmat_changed || sf != ctx->prev_slice_sf) { ctx->prev_slice_sf = sf; for (i = 0; i < 64; i++) { - ctx->qmat_luma_scaled[i] = ctx->qmat_luma[i] * sf; - ctx->qmat_chroma_scaled[i] = ctx->qmat_chroma[i] * sf; + ctx->qmat_luma_scaled[ctx->dsp.idct_permutation[i]] = ctx->qmat_luma[i] * sf; + ctx->qmat_chroma_scaled[ctx->dsp.idct_permutation[i]] = ctx->qmat_chroma[i] * sf; } } |