[FFmpeg-devel] [PATCH] Support limiting the number of pixels per image

[Andreas Cadhalpun]

On 08.12.2016 19:30, Michael Niedermayer wrote:
> TODO: split into 2 patches (one per lib), docs & bump
> 
> This allows preventing some OOM and "slow decoding" cases by limiting the maximum resolution
> this may be useful to avoid fuzzers getting stuck in boring cases
> 
> Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
> ---
>  libavcodec/avcodec.h                 |  8 ++++++++
>  libavcodec/options_table.h           |  1 +
>  libavutil/imgutils.c                 | 22 ++++++++++++++++++----
>  tests/ref/fate/api-mjpeg-codec-param |  2 ++
>  tests/ref/fate/api-png-codec-param   |  2 ++
>  5 files changed, 31 insertions(+), 4 deletions(-)

That's probably OK.
One caveat is that currently not every demuxer uses av_image_check_size,
but I'm working on fixing that.
Do you plan to reduce the default in a future patch?

Best regards,
Andreas