generic-library/ffmpeg
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4 Commits

Author SHA1 Message Date
Clément Bœsch
64821f5a7c avcodec/vp9dsp: add DC only versions for idct/idct. 
before:
  ./ffmpeg -v 0 -nostats -i ~/samples/vp9/etv.webm -f null -  16.29s user 0.02s system 99% cpu 16.323 total
  ./ffmpeg -v 0 -nostats -i ~/samples/vp9/etv.webm -f null -  16.32s user 0.01s system 99% cpu 16.351 total
  ./ffmpeg -v 0 -nostats -i ~/samples/vp9/etv.webm -f null -  16.27s user 0.05s system 99% cpu 16.335 total

after:
  ./ffmpeg -v 0 -nostats -i ~/samples/vp9/etv.webm -f null -  15.22s user 0.03s system 99% cpu 15.257 total
  ./ffmpeg -v 0 -nostats -i ~/samples/vp9/etv.webm -f null -  15.20s user 0.02s system 99% cpu 15.237 total
  ./ffmpeg -v 0 -nostats -i ~/samples/vp9/etv.webm -f null -  15.19s user 0.02s system 99% cpu 15.227 total
 2013-11-22 20:32:56 +01:00
Ronald S. Bultje
fed483f188 avcodec/vp9dsp: fix overwrite by 1 in vert_left pred. 
The memset following the memcpy was silencing the problem since
re-writing that same byte.

Fixes CID1108597, CID1108598, (16x16)
      CID1108599, CID1108600, (8x8)
      CID1108601, CID1108602  (32x32)

Signed-off-by: Clément Bœsch <u@pkh.me>
 2013-10-20 21:16:53 +02:00
Ronald S. Bultje
c07ac8d467 VP9 MC (ssse3) optimizations. 
Decoding time of ped1080p.webm goes from 20.7sec to 11.3sec.
 2013-10-02 21:03:15 -04:00
Ronald S. Bultje
848826f527 Native VP9 decoder. 
Authors: Ronald S. Bultje <rsbultje gmail com>,
         Clement Boesch <u pkh me>
 2013-10-02 21:03:11 -04:00