[FFmpeg-devel] [PATCH] avfilter/vf_tile: add queue option

Paul B Mahol onemda at gmail.com
Sun Nov 19 19:30:01 EET 2017


On 11/19/17, Nicolas George <george at nsup.org> wrote:
> Le septidi 27 brumaire, an CCXXVI, Paul B Mahol a ecrit :
>> Signed-off-by: Paul B Mahol <onemda at gmail.com>
>> ---
>>  doc/filters.texi      |  4 ++++
>>  libavfilter/vf_tile.c | 18 +++++++++++++++++-
>>  2 files changed, 21 insertions(+), 1 deletion(-)
>>
>> diff --git a/doc/filters.texi b/doc/filters.texi
>> index 5d99437871..7eeeafab8e 100644
>> --- a/doc/filters.texi
>> +++ b/doc/filters.texi
>> @@ -14461,6 +14461,10 @@ is "black".
>>  @item overlap
>>  Set the number of frames to overlap when tiling several successive frames
>> together.
>>  The value must be between @code{0} and @var{nb_frames - 1}.
>> +
>> + at item queue
>> +Set the number of frames to initially queue when displaying first frame.
>> +The value must be between @code{0} and @var{nb_frames}.
>>  @end table
>
> Queue where? To do what later, and when?
>
> I cannot determine what this option is supposed to do, even with a quick
> glance at the code, so I guess a normal user would be completely
> baffled.

It allows user to start outputing video frames immediately with first
input frame.
Instead of after nb_frames.


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