[FFmpeg-user] C920 h264 Problem

Canberk Demirsoy (Alumni) cdemirsoy at sabanciuniv.edu
Thu Jan 26 15:50:58 EET 2017


Hey buddy, i am google -ing for weeks. And you are telling me what i know
now. C920 is enable to get compressed h264 in 30fps in 1080p. This can be
seen by the listing formats there is no problem with it. i already set
pix_ftm.

Thanks


*Canberk Demirsoy*

B.Sc. Electrical Engineering, Sabanc─▒ University
M.Sc. Computer Engineering, Munich Technical University



On Thu, Jan 26, 2017 at 2:21 PM, Jimmy Asher <jasher at safarimontage.com>
wrote:

> I believe you are using an invalid pixel format value
>
> Run the following command to get list of pix_formats
>
> > ffmpeg -pix_fmts
>
>
>
>
>
>
>
> From documentation:
>
> -pix_fmts:
> Set pixel format. Use -pix_fmts to show all the supported pixel formats.
> If the selected pixel format can not be selected, ffmpeg will print a
> warning and select the best pixel format supported by the encoder. If
> pix_fmt is prefixed by a +, ffmpeg will exit with an error if the requested
> pixel format can not be selected, and automatic conversions inside
> filtergraphs are disabled. If pix_fmt is a single +, ffmpeg selects the
> same pixel format as the input (or graph output) and automatic conversions
> are disabled.
>
> https://www.ffmpeg.org/ffmpeg-all.html#Advanced-Video-options
>
> H264 encoding guide...
>
> https://trac.ffmpeg.org/wiki/Encode/H.264
>
> FFMpeg hardware acceleration guide
> https://trac.ffmpeg.org/wiki/HWAccelIntro
>
> Google is your friend ;)
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