XviD movie stuttering (Mplayer)

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Juri Haberland wrote:
> Hi and sorry for the late reply.
> 
> Pasi Juppo <pasi.juppo@xxxxxx> wrote:
> 
>>Juri Haberland wrote:
>>
>>>Pasi Juppo <pasi.juppo@xxxxxx> wrote:
>>>
>>>>Juri Haberland wrote:
>>>>
>>>>>Pasi Juppo <pasi.juppo@xxxxxx> wrote:
>>>>>
>>>>>
>>>>>>One movie fails to play properly when using TT full featured card, VDR 
>>>>>>(1.3.22), MPlayer plugin (0.9.11), mplayer (1.0 pre 6 with codes from 
>>>>>>Feb 2005) and mplayer.sh (0.8.6). Audio stutters constantly.
>>>>>>
>>>>>>However, using following command the audio does not stutter:
>>>>>>mplayer -vf expand=720:576 -vo mpegpes -ao mpegpes <avi-file>
>>>
>>>>>Please set DEBUG=true (see the end of mplayer.sh.conf) and provide the
>>>>>log entries when playing this file via mplayer.sh.
>>>>
>>>>OK. Here's the log of first attempt which always fails to play any video 
>>>>clip:
>>>
>>>[snip]
>>>
>>>
>>>>Apr 10 18:47:11 backup logger: *** DEBUG: Calling getvidxy function to 
>>>>analyze source video stream ...
>>>>Apr 10 18:47:12 backup logger: *** DEBUG: OutputFromMPLAYER: ""
>>>>Apr 10 18:47:12 backup logger: *** DEBUG: MPLAYER_RETURN:  "1"
>>>>Apr 10 18:47:12 backup logger: *** FATAL: something went wrong analyzing 
>>>>the video; mplayer reported an error!
>>>>Apr 10 18:47:12 backup logger: *** FATAL: check your mplayer 
>>>>installation. Exiting...
>>>
>>>Do mean to say that this happens on every first attempt to play a
>>>specific file? If so, this is highly unusual. Where are those video
>>>files located (e.g. on an NFS or SMb share? How is it mounted? On boot
>>>or per automounter)?
>>>Please try to run
>>>
>>>  'mplayer -identify vo null -ao null -frames 0 /your/video.avi'
>>>
>>>and post the error message.
> 
> 
> [snip]
> 
> 
>>Tried again the same command and result was exactly the same so luckily 
>>the problem seems to be repeatable.
> 
> 
> Sorry my fault - I forgot a dash (-) in the aboce command. Please retry
> with 
>     'mplayer -identify -vo null -ao null -frames 0 /your/video.avi'

No problem. Here's the log:

MPlayer 1.0pre6-3.3.3 (C) 2000-2004 MPlayer Team
CPU: Intel Pentium 4/Xeon/Celeron Foster (Family: 8, Stepping: 9)
Detected cache-line size is 64 bytes
CPUflags:  MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 1 SSE2: 1
Compiled for x86 CPU with extensions: MMX MMX2 SSE SSE2

Setting up LIRC support...
mplayer: could not open config files /root/.lircrc and /etc/lircrc
mplayer: No such file or directory
Failed to read LIRC config file ~/.lircrc.
You will not be able to use your remote control.
<movie_clip.avi>.
Cache fill:  0.00% (0 bytes)    AVI file format detected.
ID_VIDEO_ID=0
ID_AUDIO_ID=1
Detected NON-INTERLEAVED AVI file format.
VIDEO:  [XVID]  640x352  24bpp  23.976 fps  997.0 kbps (121.7 kbyte/s)
SUB: Detected subtitle file format: microdvd
SUB: Read 958 subtitles.
SUB: Adjusted 1 subtitle(s).
ID_FILE_SUB_ID=0
ID_FILE_SUB_FILENAME=./<movie_clip.sub>
SUB: added subtitle file (1): ./<movie_clip.sub>
==========================================================================
Opening audio decoder: [mp3lib] MPEG layer-2, layer-3
AUDIO: 48000 Hz, 2 ch, 16 bit (0x10), ratio: 12000->192000 (96.0 kbit)
Selected audio codec: [mp3] afm:mp3lib (mp3lib MPEG layer-2, layer-3)
==========================================================================
ID_FILENAME=<movie_clip.avi>
ID_VIDEO_FORMAT=XVID
ID_VIDEO_BITRATE=997000
ID_VIDEO_WIDTH=640
ID_VIDEO_HEIGHT=352
ID_VIDEO_FPS=23.976
ID_VIDEO_ASPECT=0.0000
ID_AUDIO_CODEC=mp3
ID_AUDIO_FORMAT=85
ID_AUDIO_BITRATE=96000
ID_AUDIO_RATE=48000
ID_AUDIO_NCH=2
ID_LENGTH=5135
==========================================================================
Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
Selected video codec: [ffodivx] vfm:ffmpeg (FFmpeg MPEG-4)
==========================================================================
Checking audio filter chain for 48000Hz/2ch/16bit -> 48000Hz/2ch/16bit...
AF_pre: af format: 2 bps, 2 ch, 48000 hz, little endian signed int
AF_pre: 48000Hz 2ch Signed 16-bit (Little-Endian)
AO: [null] 48000Hz 2ch Signed 16-bit (Little-Endian) (2 bps)
Building audio filter chain for 48000Hz/2ch/16bit -> 48000Hz/2ch/16bit...
Starting playback...


Exiting... (End of file)



> Hmm, perhaps your CPU isn't fast enough. What kind of CPU do you use
> and at what frequency does it run?

CPU should be more than enough for the task: 2.4GHz P4. 256MB of RAM so 
I highly doubt that either of those is the cause for the problem. Even 
my server (XP 2100+) handles the movie clip fine.

Pasi


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