[x264-devel] files encoded by mencoder fail streaming

David Liontooth liontooth at cogweb.net
Fri Apr 7 11:54:31 CEST 2006


Using mencoder dev-CVS--4.0.3 or dev-CVS-060403-15:27-4.0.3 to encode a 
file to x264,

  mencoder $1 -o /dev/null -oac copy -ovc x264 -x264encopts 
pass=1:bitrate=$2:bframes=3:subq=2:threads=2

  mencoder $1 -o $STEM-h264-$2.avi -oac mp3lame -lameopts cbr:br=64 -ovc 
x264 -x264encopts 
pass=2:bitrate=$2:bframes=3:subq=6:threads=2:frameref=4:8x8dct

I generate a file with this encoding information (from strings),

 x264 - core 45 svn-export
 - H.264/MPEG-4 AVC codec - Copyleft 2005 - 
http://www.videolan.org/x264.html - options: c
abac=1 ref=4 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=6 brdo=0 
mixed_ref=0 me_range=16
 chroma_me=1 trellis=1 8x8dct=1 cqm=0 chroma_qp_offset=0 slices=1 nr=0 
bframes=0 keyint=25
0 keyint_min=25 scenecut=40 rc=2pass bitrate=400 ratetol=1.0 
rceq='blurCplx^(1-qComp)' qco
mp=0.60 qpmin=10 qpmax=51 qpstep=2 cplxblur=20.0 qblur=0.5 ip_ratio=1.40

This and other files I've encoded in this way with mencoder play 
correctly with VLC 0.8.5-svn20060407-0 but fail to stream correctly, cf.

   vlc mmsh://128.97.185.107:8080

This is true for both i386 and amd64 (encoding, streaming, and 
receiving). In contrast, files encoded with ffmpeg stream correctly.

Dave

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