選択したビデオファイルをエンコード(Encode Selected Video Files)
上の様にFinderから実行できますが、 コマンドライン実行したかったので調査。 Mac OS X 10.7 Lion から追加された基本機能とのこと。
avconvert
例
オーディオのみメニューと同等のコマンド例
$ avconvert --preset PresetAppleM4A --source test.mov --output test.m4a avconvert completed with error:0. $ file test.* test.m4a: ISO Media, Apple iTunes ALAC/AAC-LC (.M4A) Audio test.mov: ISO Media, Apple QuickTime movie, Apple QuickTime (.MOV/QT)
オプション
usage: avconvert [--param <value> ...]
Required parameters:
--preset (or -p) <presetName> Use --help to list all available preset names.
--source (or -s) <source media file>
--output (or -o) <output movie file>
Optional parameters:
--disableFastStart Disable fast-start movie creation. Reduces disk accesses if fast-start is not required.
--disableMetadataFilter Disable the metadata filter. Use with caution. This will allow privacy sensitive source metadata to be preserved in the output file. Refer to the man page for more details.
--duration <duration> Trim the output movie to duration seconds (decimal allowed). Default is end of file.
--help (or -h) Print command usage and list available preset names.
--multiPass Perform a higher quality multi-pass encode in the conversion, if supported by the codec.
--progress (or -prog) Display progress information.
--replace Overwrite the output file, if it already exists.
--start <startTime> Skip the first startTime seconds (decimal allowed) of the source movie. Default is beginning of file.
--verbose (or -v) Print additional information about the conversion.
