Changes between Version 11 and Version 12 of Encode/FFV1
- Timestamp:
- Oct 31, 2017, 8:27:15 AM (9 years ago)
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Encode/FFV1
v11 v12 1 1 = FFV1 encoding cheatsheet = 2 3 FFV1 is a video codec developed within FFmpeg. It is lossless, meaning that it compresses video without introducing quantization degradations. Therefore, FFV1 is a good choice for [https://www.loc.gov/preservation/digital/formats/fdd/fdd000341.shtml archiving and preservation]. A [http://compression.ru/video/codec_comparison/lossless_codecs_2007_en.html lossless codec comparison] found FFV1 to be the "most balanced", offering "relatively good speed and high compression". 4 5 There are two versions of the codec supported by `ffmpeg`, version 1 and 3. 2 6 3 7 == FFV1 version 1 == … … 10 14 11 15 === Examples === 12 1. '''Copy audio "as-is" and use FFV1.1 as video codec. Audio stream kept as-is.''' 13 Parameters are GOP-size=1, coder=1, context=1: 14 {{{ 15 ffmpeg -i <input_video> \ 16 -acodec copy \ 17 -vcodec ffv1 \ 18 -level 1 \ 19 -coder 1 \ 20 -context 1 \ 21 -g 1 \ 22 <output_video> 23 }}} 16 17 '''Copy audio "as-is" and use FFV1.1 as video codec. Audio stream kept as-is.''' 18 19 Parameters are GOP-size=1, coder=1, context=1: 20 21 {{{ 22 ffmpeg -i <input_video> \ 23 -acodec copy \ 24 -vcodec ffv1 \ 25 -level 1 \ 26 -coder 1 \ 27 -context 1 \ 28 -g 1 \ 29 <output_video> 30 }}} 24 31 25 32
