[FFmpeg-devel] [PATCH v1] avcodec/h264_mp4toannexb_bsf: force sps/pps writing before the first pict

[Jun Li]

Hi,
This patch is trying to fix #6869.
The ticket has a h264 stream NOT starting with IDR, and all frames are I
frames.
And the mp4toannexb filter insert SPS/PPS before IDR, so leads to the
result that the output has no SPS/PPS.

The fix is just simply insert SPS/PPS before first picture, no matter what
type it is. Thanks.

Best Regards
-Jun
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