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| author | Ivan Kalvachev <ikalvachev@gmail.com> | 2017-10-09 01:25:00 +0300 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-10-12 01:27:52 +0200 |
| commit | 9054439bad3307dafd9fbadc57e66c276baf22e2 (patch) | |
| tree | 8279e687a630cb1c4bcc1c7628e9312ad593c7e1 /libavcodec/mpeg12dec.c | |
| parent | 2b006ccf8318d84101ed83b75df4c9682a963217 (diff) | |
| download | ffmpeg-9054439bad3307dafd9fbadc57e66c276baf22e2.tar.gz | |
Fix visual glitch with XvMC, caused by wrong idct permutation.
In the past XvMC forced simple_idct since
it was using FF_IDCT_PERM_NONE.
However now we have SIMD variants of simple_idct that
are using FF_IDCT_PERM_TRANSPOSE and if they are selected
XvMC would get coefficients in the wrong order.
The patch creates new FF_IDCT_NONE that
is used only for this kind of hardware decoding
and that fallbacks to the old C only simple idct.
Signed-off-by: Ivan Kalvachev <ikalvachev@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec/mpeg12dec.c')
| -rw-r--r-- | libavcodec/mpeg12dec.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/mpeg12dec.c b/libavcodec/mpeg12dec.c index 22c29c1505..4e68be27f1 100644 --- a/libavcodec/mpeg12dec.c +++ b/libavcodec/mpeg12dec.c @@ -1217,7 +1217,7 @@ static void setup_hwaccel_for_pixfmt(AVCodecContext *avctx) #endif ) if (avctx->idct_algo == FF_IDCT_AUTO) - avctx->idct_algo = FF_IDCT_SIMPLE; + avctx->idct_algo = FF_IDCT_NONE; if (avctx->hwaccel && avctx->pix_fmt == AV_PIX_FMT_XVMC) { Mpeg1Context *s1 = avctx->priv_data; |