![]() The container format will be automatically derived based on the file extension. Not all codec and audio codec combinations are supported and certain combinations require a certain file extension and container format. ffmpeg(formatmpegts, audio(codecac3,channelcoupling0), video(codeclibx264,b2600k. ![]() Using the -audio-codec flag, you can set the format of the audio that is embedded in the video. AC3 audio and H264 video encapsulated in a MPEG-TS stream. If you do it, an audio file will be output in the corresponding format. Higher bitrate means higher quality and higher file size. So for example to use the v4l2m2m H.264 codec to encode 30secs of colour bars: ffmpeg -f lavfi -i smptebars -t 30 -vcodec h264v4l2m2m out.mp4 Or use the OMX based H.264 hardware encoder to encode inputfile: ffmpeg -i inputfile -vcodec h264omx out. Applying option pixfmt (set pixel format) with argument yuv420p. Controlling quality using ProRes profile įor ProRes, there is no CRF option, but there are profiles which you can set using the -prores-profile flag or the setProResProfile config file option. Applying option vcodec (force video codec copy to copy stream)) with argument h264omx. You can set a CRF in the config file using the tCrf() function or use the -crf command line flag.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |