[MPlayer-dev-eng] x264 dimensions not set / float point exception

[Joseph Miller]

On Fri, Dec 24, 2010 at 2:17 PM, Joseph Miller <josephcmiller2 at gmail.com> wrote:
> On Fri, Dec 24, 2010 at 1:44 PM, compn <tempn at twmi.rr.com> wrote:
>> On Fri, 24 Dec 2010 10:56:34 -0500, Joseph Miller wrote:
>>>On Thu, Dec 23, 2010 at 10:12 PM, compn <tempn at twmi.rr.com> wrote:
>>>> On Thu, 23 Dec 2010 10:38:31 -0500, Joseph Miller wrote:
>>>>>I keep getting floating point exceptions after doing the following.  I
>>>>>have attached mencoder output.
>>>>>
>>>>>/opt/mplayer/bin/mencoder -oac faac -ovc x264 -of lavf -o
>>>>>integra-reencode.mp4 integra-mp4box.mp4
>>>>>/opt/mplayer/bin/mencoder -oac faac -ovc x264 -of lavf -o
>>>>>integra-reencode.mp4 integra-lavf.mp4
>>>>>
>>>>>That last two give me Floating point exception.
>>>>>
>>>>>I have uploaded integra.mp4 and integra-lavf.mp4 and
>>>>>integra-mp4box.mp4 to the following location:
>>>>>http://www.calcmaster.net/downloads/fpx/
>>>>>
>>>>>I have had this happen on MP4Box files and other .mp4 files.  I'm not
>>
>> the problem with this bug is that its hard to reproduce. can you tell
>> us what cpu you are using ?
>>
>> try running your mencoder on a different box, another user with the
>> same fpe found he couldnt reproduce it on another box either.
>>
>> your samples work on my p4 1.5ghz:
>>
>
> Interesting.  I have tried with both a PhenomII quad core and my Intel
> Core i3.  I want to say that I had fewer problems with Ubuntu 10.04,
> but I'm unable to verify because all my boxes are 10.10 now.  I did
> try as far back as SVN 2010-01-01.
>

The decvideo module shows the no picture:

DECVIDEO: Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
 DECVIDEO: INFO: libavcodec init OK!
 DECVIDEO: Selected video codec: [ffh264] vfm: ffmpeg (FFmpeg H.264)
  CPLAYER: ==========================================================================
 DECVIDEO: vd_ffmpeg data: 1000000, 15006467, 6e534ac, 10017b42
 DECVIDEO: [h264 @ 0xd3bc60]no picture
STATUSLINE: Pos:   0.0s      1f ( 6%)  0.00fps Trem:   0min   0mb
A-V:0.000 [0:0]
 DECVIDEO: vd_ffmpeg data: 1000000, 1019a41, 1bf22b6, 85841830
 DECVIDEO: [h264 @ 0xd3bc60]no picture
 MENCODER:
1 duplicate frame(s)!
    MUXER: VIDEO CODEC ID: 28
    MUXER: AUDIO CODEC ID: 15002, TAG: 0
    MUXER: Writing header...
   GLOBAL: [mp4 @ 0xcc8c40]dimensions not set
Floating point exception



A working file produces:

 DECVIDEO: Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
 DECVIDEO: INFO: libavcodec init OK!
 DECVIDEO: Selected video codec: [ffh264] vfm: ffmpeg (FFmpeg H.264)
  CPLAYER: ==========================================================================
 DECVIDEO: vd_ffmpeg data: 5061900, 24cb0a15, 3330fa13, 9cbda201
 DECVIDEO: [ffmpeg] aspect_ratio: 1.315789
 DECVIDEO: VDec: vo config request - 400 x 304 (preferred colorspace:
Planar YV12)
 DECVIDEO: Trying filter chain: expand x264
  CPLAYER: Movie-Aspect is 1.32:1 - prescaling to correct movie aspect.
x264 [info]: using SAR=1/1
x264 [info]: using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle SSE4.2
x264 [info]: profile High, level 2.1