[mythtv-users] trancoding foo'bar'd

Monkey Pet monkeypet at gmail.com
Wed Aug 31 07:24:11 UTC 2005


I have a haugpage 350 card. Recently, I noticed that all my transcoding from 
mpeg2 to mpeg4 has gone awry. The video is all messed up.

Here is what I see when I play using mplayer:
Checking audio filter chain for 48000Hz/2ch/s16le -> 48000Hz/2ch/s16le...
AF_pre: 48000Hz/2ch/s16le
alsa-init: 1 soundcard found, using: default
alsa: 48000 Hz/2 channels/4 bpf/65536 bytes buffer/Signed 16 bit Little 
Endian
AO: [alsa] 48000Hz 2ch s16le (2 bps)
Building audio filter chain for 48000Hz/2ch/s16le -> 48000Hz/2ch/s16le...
Starting playback...
VDec: vo config request - 480 x 480 (preferred csp: Planar YV12)
VDec: using Planar YV12 as output csp (no 0)
Movie-Aspect is 1.00:1 - prescaling to correct movie aspect.
VO: [xv] 480x480 => 480x480 Planar YV12
Marker bit missing before time_increment_resolution% 1% 1.0% 13 0
Marker bit missing before fixed_vop_rate
[mpeg4 @ 0x86e19a0]Complexity estimation not supported
[mpeg4 @ 0x86e19a0]header damaged
Error while decoding frame!
Marker bit missing before vop_coded0.033 136/136 16% 1% 1.0% 13 0
Marker bit missing before vop_coded0.033 137/137 16% 1% 1.0% 13 0
Marker bit missing before vop_coded0.031 138/138 16% 1% 1.0% 13 0
[mpeg4 @ 0x86e19a0]Error, header damaged or not MPEG4 header (f_code=0)
[mpeg4 @ 0x86e19a0]header damaged
Error while decoding frame!
Marker bit missing before vop_coded0.029 140/140 16% 1% 1.0% 13 0
Marker bit missing before vop_coded
VDec: vo config request - 1753 x 6805 (preferred csp: Planar YV12)
VDec: using Planar YV12 as output csp (no 0)
Movie-Aspect is 1.00:1 - prescaling to correct movie aspect.
VO: [xv] 1753x6805 => 6806x6805 Planar YV12
aspect: Warning: no suitable new res found!
aspect: Warning: no suitable new res found!
vf.c: have to REALLOCATE buffer memory :(
[mpeg4 @ 0x86e19a0]warning: first frame is no keyframe
vf.c: have to REALLOCATE buffer memory :(
[mpeg4 @ 0x86e19a0]concealing 46860 DC, 46860 AC, 46860 MV errors
aspect: Warning: no suitable new res found!
alsa-space: xrun of at least 46.121 msecs. resetting stream.0% 13 0
Marker bit missing before vop_coded
[mpeg4 @ 0x86e19a0]concealing 46860 DC, 46860 AC, 43871 MV errors
<snip>
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