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Diffstat (limited to '')
| -rw-r--r-- | transcode.sh.1 | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/transcode.sh.1 b/transcode.sh.1 index 9001e8a..fe38c21 100644 --- a/transcode.sh.1 +++ b/transcode.sh.1 @@ -158,6 +158,26 @@ The variable is available to presets and contains the automatically selected output pixel format string. .IP +Before the preset's +.B ffargs +are appended, the script always passes the following base arguments to +.BR ffmpeg (1): +.RS +.nf +\-map 0 # include all streams from the input +\-map_metadata 0 # copy all container\-level metadata +\-map_chapters 0 # copy all chapter markers +\-c copy # default to stream copy for every stream +.fi +.RE +.IP +A preset therefore only needs to specify the streams it wishes to +re-encode (typically +.BR \-c:v:0 ) +and any associated encoder options. All other streams — audio, +subtitles, attachments — are passed through unchanged unless the preset +explicitly overrides them. +.IP Example preset: .RS .nf |