Tag: VLC

Ffmpeg-tool supports several video lossless codecs (e.g. for medical imaging applications), implemented from de-facto standards, one of such codecs is FFV1.  Note: the full version of ffmpeg binary is here .   FFV1 The spec of FFV1 is here .  Typical encoding command: ffmpeg -video_size 384×320 -i test.yuv -c:v ffv1 -context 1 -coder 0 -y test_lossless.mkv where -context 1    take greater context -coder  0     Golomb-Rice VLC   To run FFV1 encoding in parallel it’s recommended to use ‘-slices’ (legal values of slices: 4, 6, 9, 12, 16, 24, 30) ffmpeg -video_size 384×320 -i test.yuv -c:v ffv1 -context 1 -coder 0  -slices 4 -y test_lossless_slices4.mkv   With PowerShall’s Measure-Command i collected encoding times with ‘-slices 4’ and without: Without slicing encoding time is 1955 ms and with ‘-slices 4’ the time is 748 ms Penalty in bit-size of using ‘-slices 4’ is about 0.2%   FFV1 comp…

A problem people often face is converting videos from to container/file formats for free and easily . Matroska Multimedia Container is a file format that can hold unlimited video, audio, picture, or subtitle tracks in one file...