[MPlayer-users] Old divx files break, MOV to MP4 problem

[Arpi]

Hi,

upload sample files for both problem

> [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
> First, great work. I've been running mplayer on our Alchemy embedded Mips
> SOC for over a year now with great success.
> 
> I've seen a couple of problems with MPlayer0.90pre6.
> 
> 1. Some old opendivx bitstreams (made with flask long ago) don't play
> correctly anymore. These have always played fine (with both opendivx and
> ffmpeg) up through at least Mplayer0.90pre4. An example of what gets dumped
> out is:
> 
> ...
> VIDEO:  [DIVX]  176x80  0bpp  23.98 fps  137.3 kbps (16.8 kbyte/s)
> ==========================================================================
> Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
> Detected video codec: [ffodivx] vfm:5 (FFmpeg MPEG-4)
> ==========================================================================
> Audio: no sound!!!
> Start playing...
> scalability not supported
> no VOP startcode found, frame size was=1821
> header damaged
> Error while decoding frame!
> VDec: vo config request - 176 x 80 (preferred csp: Planar YV12)
> Movie-Aspect is undefined - no prescaling applied.
> VO: [fbdev] 176x80 => 176x80 Planar YV12
> No accelerated colorspace conversion found
> Error at MB: 4
> ...
> 
> Is it possible that changes to the ffodivx codec to support real MP4 (like
> QT MP4 movies), will expose decode errors in old OpenDivx movies?
> 
> 2. If you take QT6 and export a movie to MPEG-4, then Mplayer will not
> recognize this as a MOV. Running the movinfo tool indicates a valid mov
> file, but the check in demuxer.c for MOV fails. I took a look at the mp4
> movie and it has these tracks in this order, sound (Mpeg4audio), video
> (Mpeg4video), SDSM, and ODSM. I re-exported a new video only MP4 with
> Quicktime and it played just fine under mplayer. It used the same codec
> (ffodivx) as the old divx files want to use so I thought that ffodivx may
> not play back these old divx files anymore.
> 
> For the record, my environment is probably very different from most:
> 
> MontaVista Software's Hard Hat Linux 2.0
> Linux/mips 2.4.17_sherman-pb1500
> mips unknown
> libc-2.2.3
> X not running
> Video goes to fbdev
> gcc version 2.95.3 20010315 (release/MontaVista)
> GNU ld version 2.10.91 (with BFD 2.10.91.0.2)
> processor               : 0
> cpu model               : Au1500 V0.0
> BogoMIPS                : 395.67
> wait instruction        : no
> microsecond timers      : yes
> extra interrupt vector  : yes
> hardware watchpoint     : yes
> VCED exceptions         : not available
> VCEI exceptions         : not available
> Display ATI Technologies Inc Rage XL (rev 27)
> 
> The way I configure mplayer is:
> 
> ./configure --disable-xll --disable-sdl --enable-fbdev --disable-big-endian
> 
> The way I typically run mplayer is:
> 
> Mplayer -vo fbdev -nosound moviename
> 
> Thanks.
> 
> Casey
> 
> 
> 
> 
> 
> _______________________________________________
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> 


A'rpi / Astral & ESP-team

--
Developer of MPlayer, the Movie Player for Linux - http://www.MPlayerHQ.hu