[FFmpeg-user] C920 h264 Problem

Kieran O Leary kieran.o.leary at gmail.com
Thu Jan 26 12:09:14 EET 2017


On Thu, Jan 26, 2017 at 9:25 AM, Canberk Demirsoy (Alumni) <
cdemirsoy at sabanciuniv.edu> wrote:

> Hi guys even though i make lots of settings i still see yuv format in debug
> file. How to correctly get h264 format from c920 using raspberry pi? And i
> wanna transfer file without encoding or decoding by copying vcodec.
It looks like your output file is H264 though? What are you seeing that
makes you think otherwise?  YUV420p is the pixel format that H264 is using
in your case. I also wasn't familiar with the -pix_fmt H264 option as I am
used to seeing YUV/RGB/XYZ type pixel formats in there, but I'm not
familiar with -f vl42 commands.

> Output #0, mp4, to 'logging.mp4':
>   Metadata:
>     encoder         : Lavf57.60.100
>     Stream #0:0, 0, 1/10240: Video: h264 (Constrained Baseline), 1
> reference frame ([33][0][0][0] / 0x0021), yuvj420p(pc, progressive, left),
> 1920x1080 (0x0) [SAR 1:1 DAR 16:9], 0/1, q=2-31, -3 kb/s, 20 fps, 20 tbr,
> 10240 tbn, 20 tbc

I see H264 here as your codec.



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