[FFmpeg-devel] [PATCH 1/5 v3] movenc: use correct tag list for AVOutputFormat.codec_tag

[Michael Niedermayer]

On Thu, Jun 29, 2017 at 03:52:05PM +0100, Derek Buitenhuis wrote:
> From: John Stebbins <stebbins at jetheaddev.com>
> 
> ff_mp4_obj_type contains the wrong type of tags for
> AVOutputFormat.codec_tag. AVOutputFormat.codec_tag is used to
> validate AVCodecParameters.codec_tag so needs to be the same
> type of tag.
> 
> Creates new tag lists for mp4 and ismv.  New tag lists support
> same list of codecs found in ff_mp4_obj_type. psp uses the same
> tag list as mp4 since these both use mp4_get_codec_tag to look up tags.
> 
> (cherry picked from commit 713efb2c0d013a42be4051adb7cd90a7c2cbbb4f)
> Signed-off-by: Derek Buitenhuis <derek.buitenhuis at gmail.com>
> ---
> With fixed EVRC.
> ---
>  libavformat/movenc.c | 42 +++++++++++++++++++++++++++++++++++++++---
>  1 file changed, 39 insertions(+), 3 deletions(-)

this seems to break:
./ffmpeg -i matrixbench_mpeg2.mpg -f dash file-fdash.dash

[mp4 @ 0x42b6040] Tag [33][0][0][0] incompatible with output codec id '28' (avc1)
Could not write header for output file #0 (incorrect codec parameters ?): Invalid data found when processing input
Error initializing output stream 0:0 --

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

What does censorship reveal? It reveals fear. -- Julian Assange
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