[MPlayer-users] 2 Bugs [?]
D Richard Felker III
dalias at aerifal.cx
Wed Mar 12 18:42:48 CET 2003
On Wed, Mar 12, 2003 at 10:56:29AM +0100, Arpi wrote:
> [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
> > Out of curiosity, why are you using -forceidx with mencoder? It's
> > almost never needed. In fact you can usually get by with -noidx when
> > using mencoder unless you're using -ss or your file is badly damaged.
> > If the docs are suggesting -forceidx somewhere that should probably be
> > removed... -forceidx forces rebuilding of the source file's index
> > before starting on the encode/copy. A new working index is *always*
> > generated for the output file regardless of whether you use
> > -noidx/-idx/-forceidx.
> not completely true.
> a new index is built, but the keyframe flags are recovered by -forceidx.
> ie, without it you'll get a correct stream, but with no frames flagged
> keyframe, so you cannot seek it.
> (streamcopy copies the frame flags (including keyframe marks) from the input
> stream, and for avi, it's located in index...)
IIRC you changed it so ALL frames are flagged keyframe without
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