Quoting Ronald S. Bultje (2023-12-07 02:44:36) > Hi, > > On Wed, Dec 6, 2023 at 3:23 AM Marton Balint <c...@passwd.hu> wrote: > > > Signed-off-by: Marton Balint <c...@passwd.hu> > > --- > > doc/APIchanges | 3 +++ > > doc/codecs.texi | 14 ++++++++++++++ > > libavcodec/avcodec.h | 4 ++++ > > libavcodec/decode.c | 6 ++++++ > > libavcodec/options_table.h | 1 + > > libavcodec/version.h | 2 +- > > 6 files changed, 29 insertions(+), 1 deletion(-) > > > > diff --git a/doc/APIchanges b/doc/APIchanges > > index 416e2bec5e..f839504a64 100644 > > --- a/doc/APIchanges > > +++ b/doc/APIchanges > > @@ -2,6 +2,9 @@ The last version increases of all libraries were on > > 2023-02-09 > > > > API changes, most recent first: > > > > +2023-12-xx - xxxxxxxxxxx - lavc 60.36.100 - avcodec.h > > + Add AV_CODEC_FLAG_CLEAR. > > + > > 2023-12-xx - xxxxxxxxxxx - lavu 58.33.100 - imgutils.h > > Add av_image_fill_color() > > > > diff --git a/doc/codecs.texi b/doc/codecs.texi > > index 5b950b4560..0504a535f2 100644 > > --- a/doc/codecs.texi > > +++ b/doc/codecs.texi > > @@ -76,6 +76,20 @@ Apply interlaced motion estimation. > > Use closed gop. > > @item output_corrupt > > Output even potentially corrupted frames. > > +@item clear > > +Clear the contents of the video buffer before decoding the next picture > > to it. > > + > > +Usually if only a part of a picture is affected by a decode error then the > > +decoder (if it implements error concealment) tries to hide it by > > interpolating > > +pixels from neighbouring areas or in some cases from the previous frame. > > Even > > +without error concealment it is quite likely that the affected area will > > +contain pixels from an earlier frame, due to frame pooling. > > > > No comment on the patch itself, but wouldn't our users (and the C standard > itself) consider it a security issue to return stale
I don't see the security issue in returning previously-returned frame data. -- Anton Khirnov _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".