[FFmpeg-user] C920 h264 Problem
Canberk Demirsoy (Alumni)
cdemirsoy at sabanciuniv.edu
Thu Jan 26 12:23:11 EET 2017
Hi, i need input codec as h264 rather than yuvj420 because i am using
raspberry pi and c920 webcam so i need to handle encoding with onboard
encoder of c920 to make things easier. Yes my output is h264 but i also
need input as h264.
B.Sc. Electrical Engineering, Sabancı University
M.Sc. Computer Engineering, Munich Technical University
On Thu, Jan 26, 2017 at 11:09 AM, Kieran O Leary <kieran.o.leary at gmail.com>
> 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
> > file. How to correctly get h264 format from c920 using raspberry pi? And
> > 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 ( / 0x0021), yuvj420p(pc, progressive,
> > 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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