[FFmpeg-devel] [PATCH]lavf/matroskaenc: Do not write 0 duration for subtitles

[Jerome Martinez]

On 12/11/2017 03:12, Carl Eugen Hoyos wrote:
> The matroska spec says blockduration == 0 means the frame is not a
> keyframe.  Since all subtitles are "keyframes", 0 blockduration should
> not be written.

The issue is in the specifications:
https://github.com/Matroska-Org/matroska-specification/pull/207

The patch should not be integrated as the reason is no more valid.