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author | Anton Khirnov <anton@khirnov.net> | 2011-07-29 16:17:01 +0400 |
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committer | Anton Khirnov <anton@khirnov.net> | 2011-08-16 08:18:38 +0400 |
commit | 320d7693897c5f991f7cf77b961a31fb41d0a578 (patch) | |
tree | cecbf038fb1ded3bddfbec1680e3e3fa8645f5b5 /Changelog | |
parent | 92f1940e998bfb6bc9e1fad1aa8b9c51e5bfec8c (diff) |
Changelog: document avconv incompatibilities with ffmpeg.
Diffstat (limited to 'Changelog')
-rw-r--r-- | Changelog | 33 |
1 files changed, 33 insertions, 0 deletions
@@ -6,6 +6,39 @@ version <next>: - BWF muxer - Flash Screen Video 2 decoder - ffplay/ffprobe/ffserver renamed to avplay/avprobe/avserver +- ffmpeg deprecated, added avconv, which is almost the same for now, except +for a few incompatible changes in the options, which will hopefully make them +easier to use. The changes are: + * -newvideo/-newaudio/-newsubtitle are gone, because they were redundant and + worked in a nonstandard way. -map is sufficient to add streams to output + files. + * -map now has slightly different and more powerful syntax. + + it's possible to specify stream type. E.g. -map 0:a:2 means 'third + audio stream'. + + omitting the stream index now maps all the streams of the given + type, not just the first. E.g. -map 0:s maps all the subtitle streams. + + colons (':') are used to separate file index/stream type/stream + index. Comma (',') is used to separate the sync stream. This is done + for consistency with other options. + + since -map can now match multiple streams, negative mappings were + introduced. Negative mappings disable some streams from an already + defined map. E.g. '-map 0 -map -0:a:1' means 'map everything except + for the second audio stream'. + * -vcodec/-acodec/-scodec are replaced by -c (or -codec), which + allows to precisely specify target stream(s) consistently with other + options. E.g. '-c:v libx264' sets the codec for all video streams, + '-c:a:0 libvorbis' sets the codec for the first audio stream and '-c + copy' copies all the streams. + * It is now possible to precisely specify which stream should an AVOption + apply to. See the manual for detailed explanation. + * -map_chapters now takes only an input file index and applies to the next + output file. This is consistent with how all the other options work. + * -map_metadata now takes only an input metadata specifier and applies to + the next output file. Output metadata specifier is now part of the option + name, similarly to the AVOptions/map/codec feature above. + * Presets in avconv are disabled, because only libx264 used them and + presets for libx264 can now be specified using a private option + '-preset <presetname>'. version 0.7: |