背景: ffmpeg 中带有264的解码,没有编码,需要添加x264.libx264是一个自由的H.264编码库,是x264项目的一部分,使用广泛,ffmpeg的H.264实现就是用的libx26 ... ubuntu下安装ffmpeg和X264 I did several two-pass 2500 kbps encodings using the x264 presets distributed with the x264 command line encoder (version 0.110.1820 fdcf2ae). Excepting the “ultrafast” preset, which does not use B-frames and was dropped from the charts as an extreme outlier, all of the presets created files that varied by less than 0.2% in bitrate.
Oct 05, 2012 · ^this is a problem. With a lot of the super affordable options there is a use of command line arguments to drive the encoding. The nice part is that the encoding becomes lighter weight. You designate the source and it creates an encoded and compressed output. FFmpeg all on its own is awesome for a number of uses. Here is a list of command-line ... Don't know whether it's still true, but you used to have to add an option to the ffmpeg program to allow it to use the [patent encumbered] H.264/X.264 codec(s). They were classified as "experimental".
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