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author | Martin Vignali <martin.vignali@gmail.com> | 2017-12-09 19:26:08 +0100 |
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committer | Martin Vignali <martin.vignali@gmail.com> | 2017-12-19 20:55:08 +0100 |
commit | f2e9156eb62b4e862c08ffaf8054b546a7cc591f (patch) | |
tree | 7be18f0e3848a7b17a7700c09a3d78e86f2b5479 /libavcodec | |
parent | b1781caf9e36edd4b84428c1e6aad8c4937c35d8 (diff) | |
download | ffmpeg-f2e9156eb62b4e862c08ffaf8054b546a7cc591f.tar.gz |
avcodec/utvideodec : use gradient_pred dsp in interlace decoding
Diffstat (limited to 'libavcodec')
-rw-r--r-- | libavcodec/utvideodec.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/libavcodec/utvideodec.c b/libavcodec/utvideodec.c index b85cb5daa6..c6076811d1 100644 --- a/libavcodec/utvideodec.c +++ b/libavcodec/utvideodec.c @@ -502,6 +502,7 @@ static void restore_gradient_planar_il(UtvideoContext *c, uint8_t *src, ptrdiff_ int slice_start, slice_height; const int cmask = ~(rmode ? 3 : 1); const ptrdiff_t stride2 = stride << 1; + int min_width = FFMIN(width, 32); for (slice = 0; slice < slices; slice++) { slice_start = ((slice * height) / slices) & cmask; @@ -523,12 +524,15 @@ static void restore_gradient_planar_il(UtvideoContext *c, uint8_t *src, ptrdiff_ for (j = 1; j < slice_height; j++) { // second line - first element has top prediction, the rest uses gradient bsrc[0] = (bsrc[0] + bsrc[-stride2]) & 0xFF; - for (i = 1; i < width; i++) { + for (i = 1; i < min_width; i++) { /* dsp need align 32 */ A = bsrc[i - stride2]; B = bsrc[i - (stride2 + 1)]; C = bsrc[i - 1]; bsrc[i] = (A - B + C + bsrc[i]) & 0xFF; } + if (width > 32) + c->llviddsp.add_gradient_pred(bsrc + 32, stride2, width - 32); + A = bsrc[-stride]; B = bsrc[-(1 + stride + stride - width)]; C = bsrc[width - 1]; |