[FFmpeg-devel] [PATCH] lavf/gifdec: allow GCE of size 3.

Paul B Mahol onemda at gmail.com
Thu Apr 18 12:10:52 CEST 2013


On 4/18/13, Clement Boesch <ubitux at gmail.com> wrote:
> On Thu, Apr 18, 2013 at 10:39:11AM +0200, Michael Niedermayer wrote:
>> On Thu, Apr 18, 2013 at 04:18:28AM +0200, Clement Boesch wrote:
>> > If there is no transparency flag, the transparent color index is not
>> > part of the of the block, and the size becomes 3B.
>> >
>> > Quoting the specifications:
>> >     viii) Transparency Index - The Transparency Index is such that when
>> >     encountered, the corresponding pixel of the display device is not
>> >     modified and processing goes on to the next pixel. The index is
>> >     present if and only if the Transparency Flag is set to 1.
>> > ---
>> >  libavformat/gifdec.c | 4 ++--
>> >  1 file changed, 2 insertions(+), 2 deletions(-)
>>
>> do we have a sample gif for this case ?
>>
>
> I proudly generated one that was playable within browsers,

And if its not played by ffplay than patch ok.

Consider uploading small sample for gif coverage.


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