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Old 24th August 2014, 17:14   #1  |  Link
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Join Date: Nov 2005
Posts: 255
ffmpeg 'unknown entry' error

I am encoding a video clip, with ffmpeg, using x264 encoder. At the same time, I am overlaying a subtitle stream onto the video (burning in my subs).

My command line is ;

./ffmpeg -i /video.mkv -i /Subtitles_exp.idx -filter_complex '[0:v][1:s]overlay[vid]' -map '[vid]' -s hd720 -sws_flags lanczos -c:v libx264 -crf 20 -preset medium ~/Desktop/test.mkv
It seems to run fine, I stop it after a few minutes and play the test.mkv. It seems fine, the subs are burned in, but I havnt scrutinised it in any detail.

The problem is that during encoding, ffmpeg regularly outputs the following message ;

[matroska,webm @ 0x1b40000] Unknown entry 0x1654AE6B0:11.26 bitrate= 264.0kbits/s
(The 'bitrate=' part increases with each message)

Does anyone know what this means ?

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