[MEncoder-users] Re: quicktime compatible mp4 using x264encopts?

[Rich Felker]

On Fri, Jun 30, 2006 at 01:55:13PM -0700, Jon Drukman wrote:
> Rich Felker wrote:
> >>it doesn't work if i take out bframes=3 either.  sorry i didn't spot 
> >>that earlier.
> >
> >afaik bframes are default with x264. you need bframes=0 to disable
> >them, in which case x264 is hardly better than mpeg4.
> 
> no difference, the file still crashes quicktime player.
> 
> /opt/build/mplayer/mencoder occultclassics_vf_060606_qt.mov -ffourcc 
> h264 -ovc x264 -x264encopts bframes=0 -of lavf -lavfopts 
> format=mp4:i_certify_that_my_video_stream_does_not_use_b_frames -oac 
> lavc -lavcopts acodec=aac -ofps 30000/1001 -o test264.mp4
> 
> the only reason i am persisting with mencoder is that it can decode 
> WMV3(*) and one of the input formats for this app i'm building will be 
> HD-quality WMV3.  since ffmpeg seems to have no difficulty generating 
> qt-compatible h.264 mp4 files, is there a way to use mplayer to decode 
> the WMV3 and pipe into ffmpeg?

yes, it's possible altho i don't know the best way right off. just
using an avi file with raw yuv as the codec might work for the pipe.

rich