[FFmpeg-devel] [PATCH] lavc/libvpxenc: fix -auto-alt-ref option type

Kagami Hiiragi kagami at genshiken.org
Fri Oct 21 11:14:04 EEST 2016

On 21/10/16 06:14, James Zern wrote:
> On Thu, Oct 20, 2016 at 8:31 AM, Kagami Hiiragi <kagami at genshiken.org> wrote:
>> vp9_cx_iface actually allows values in range [0..2].
>> This fixes ticket #5894.
>> Signed-off-by: Kagami Hiiragi <kagami at genshiken.org>
>> ---
>>  libavcodec/libvpxenc.c | 7 ++++++-
>>  1 file changed, 6 insertions(+), 1 deletion(-)
> This is all right in the sense that the library exposes the option. In
> practice the feature was never fully developed and will cause failures
> in certain hardware decoders.

vpxenc exposes it, good enough reason to allow that in ffmpeg too.

> The library will report an error (treated as a warning here) which is
> probably enough.

Passing wrong option to encoder should be treated as error in my
opinion. Without that check library will just report warning and
encoding process won't be halted.

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