[MEncoder-users] unable to encode to dvvideo - can't initialize dv format!

Reimar Döffinger Reimar.Doeffinger at gmx.de
Sun Mar 15 17:26:18 CET 2009


On Sun, Mar 15, 2009 at 04:55:43PM +0100, Jelle de Jong wrote:
> Reimar � wrote:
> > On Sun, Mar 15, 2009 at 01:38:58AM +0100, Jelle de Jong wrote:
> >> I still cant get the audio and video in sync even when trying to mach the
> >> -ofps to the displayed value of mencoder, but I think i will start a new
> >> mail tread over this.
> > 
> > I guess your v4l2 driver does not set the buffer timestamp values.
> > Try recording with "-msglevel tv=9" that should print the timing values
> > mencoder detects.
> > I'd also verify that the v4l2 audio device indeed can record at 48kHz
> > and doesn't just claim to why actually recording at 44.1kHz, thus
> > delivering audio too slowly.
> > And the DV encoding speed can't really be an issue, I can encode at > 150 fps
> > even with my "AMD Athlon(tm) 64 X2 Dual Core Processor 3800+".
> 
> See the attached output9.log and output10.log.
> 
> Issues remain ;-(

Use "-oac pcm" lavc pcm encoders obviously can't currently be used, I
guess they end up encoding one sample at a time or something stupid like
that.



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