[FFmpeg-devel] [PATCH v2] avcodec/cbs_av1: avoid reading trailing bits when obu type is OBU_TILE_LIST

Wang, Fei W fei.w.wang at intel.com
Wed Dec 11 09:29:09 EET 2019



> -----Original Message-----
> From: ffmpeg-devel <ffmpeg-devel-bounces at ffmpeg.org> On Behalf Of
> James Almer
> Sent: Wednesday, December 11, 2019 10:41 AM
> To: ffmpeg-devel at ffmpeg.org
> Subject: Re: [FFmpeg-devel] [PATCH v2] avcodec/cbs_av1: avoid reading
> trailing bits when obu type is OBU_TILE_LIST
> 
> On 12/10/2019 10:37 PM, Fei Wang wrote:
> > Signed-off-by: Fei Wang <fei.w.wang at intel.com>
> > ---
> >  libavcodec/cbs_av1.c | 1 +
> >  1 file changed, 1 insertion(+)
> >
> > diff --git a/libavcodec/cbs_av1.c b/libavcodec/cbs_av1.c index
> > bbe4461130..ab006f4d11 100644
> > --- a/libavcodec/cbs_av1.c
> > +++ b/libavcodec/cbs_av1.c
> > @@ -1039,6 +1039,7 @@ static int
> > cbs_av1_read_unit(CodedBitstreamContext *ctx,
> >
> >      if (obu->obu_size > 0 &&
> >          obu->header.obu_type != AV1_OBU_TILE_GROUP &&
> > +        obu->header.obu_type != AV1_OBU_TILE_LIST &&
> >          obu->header.obu_type != AV1_OBU_FRAME) {
> >          int nb_bits = obu->obu_size * 8 + start_pos - end_pos;
> 
> Applied, thanks.
Thanks James. Could you help to review my another cbs av1 patch? Thanks.
https://patchwork.ffmpeg.org/patch/16717/ 
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