On Sat, May 09, 2015 at 12:32:03PM +0200, Carl Eugen Hoyos wrote: > On Saturday 09 May 2015 11:00:02 am Carl Eugen Hoyos wrote: > > Hi! > > > > I believe attached patch makes vc1 gray output more correct. > > New patch attached that allows users to set the range. > > Carl Eugen
> vc1dec.c | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
> c58c3ef00437f751d2b3f90554384aa769140e2d patchvc1range2.diff
> diff --git a/libavcodec/vc1dec.c b/libavcodec/vc1dec.c
> index 86e214a..ad1d4d9 100644
> --- a/libavcodec/vc1dec.c
> +++ b/libavcodec/vc1dec.c
> @@ -429,8 +429,11 @@ static av_cold int vc1_decode_init(AVCodecContext *avctx)
> return -1;
> if (!(avctx->flags & CODEC_FLAG_GRAY))
> avctx->pix_fmt = ff_get_format(avctx, avctx->codec->pix_fmts);
> - else
> + else {
> avctx->pix_fmt = AV_PIX_FMT_GRAY8;
> + if (avctx->color_range == AVCOL_RANGE_UNSPECIFIED)
> + avctx->color_range = AVCOL_RANGE_MPEG;
this variant LGTM as well
[...]
--
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
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