On 01-11-2014 9:14, SF wrote:
I am searching a way to insert private SEI messages before each picture when 
encoding with x264. As far as i see from the libx264.c code, it is not 
supported up to now.
Am i correct ?

If yes, i am willing to push patch to support this, but do you have a preferred 
way to do this (ie thru medata field of AVFrame ? thru sidedata of AVFrame ? 
...)


Hi,
I was wondering if there's already a solution/workaround to this unanswered question...?

I'm looking into the examples (remuxing.c, demuxing_decoding.c) and running with a file which has SEI messages (Closed Captioning) and they are not loaded into AVPacketSideData.data.

The demuxing_decoding.c example uses the old avcodec API (avcodec_decode_video2/avcodec_decode_audio4) but there's also the note: "The new API does not handle subtitles yet."

Is it possible to have ffmpeg (3.4.1) reading/writing SEI messages containing AV_PKT_DATA_A53_CC?
What would be be the procedure?

Thank you
lyncher
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