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Split an MP4 or MOV file at keyframes into MP4 segments, without re-encoding.
coreav split INPUT OUTPUT splits an MP4 or MOV file into MP4 segments by stream copy. Each cut is at the latest keyframe at or before a time you give: every --every seconds, or at each time of --at. Together the segments hold every packet of the kept streams exactly once.
OUTPUT is a file name with %d (or %03d for three digits), which becomes the segment number from 0. The summary is coreav.split/1.
coreav split --every 10 input.mp4 'seg-%03d.mp4'
coreav split --at 10,25.5 input.mp4 'part-%d.mp4'
Split an MP4/MOV file at keyframes into MP4 segments, without re-encoding. Together the segments hold every packet of the kept streams exactly once
Usage: coreav split [OPTIONS] <INPUT> <OUTPUT>
Arguments:
<INPUT> The file to split
<OUTPUT> Where to write the segments: a name with `%d`, or `%03d` for three digits, replaced by the segment number from 0 (for example `seg-%03d.mp4`)
Options:
--every <SECONDS> Cut at the latest keyframe at or before every multiple of this many seconds (for example `10`)
--at <TIMES> Cut at the latest keyframe at or before each of these times, in increasing seconds, comma separated (for example `10,25.5`)
--video <STREAM> The video stream index (default: the first video stream)
--audio <STREAM|none> The audio stream index, or `none` (default: the first audio stream)
--allow <CODEC> Codecs to accept, comma separated, as for `coreav probe`
--strict Reject the whole file when a stream's codec is not allowed
--force Overwrite segment files that exist (a symbolic link is replaced, not written through; a new file keeps the old one's permissions)
-h, --help Print help