[MPlayer-users] Problems Using Mencoder

[Stephen Stocker]

  Hi,

Sean Zimmermann wrote:

>Hello,
>
>I downloaded and compiled today's CVS snapshot on my Mac running
>Tiger (10.4.1) with gcc 4.0, and although mplayer seems to be working
>fine, mencoder does not appear to be working. Whenever I use
>mencoder, I receive the following messages:
>
>$mencoder File.mov -oac mp3lame -ovc lavc -o File.avi
>MEncoder dev-CVS--4.0.0 (C) 2000-2005 MPlayer Team
>AltiVec found
>CPU: PowerPC
>File not found: 'frameno.avi'
>Failed to open frameno.avi
>success: format: 0  data: 0x0 - 0x29c0808
>QuickTime/MOV file format detected.
>--------------
>MOV track #0: 8628 chunks, 8628 samples
>MOV: Found MPEG4 movie Elementary Stream Descriptor atom (92)!
>Image size: 480 x 360 (24 bpp)
>Display size: 480 x 360
>Fourcc: v4pm  Codec: 'mpeg4'
>--------------
>MOV track #1: 13514 chunks, 13514 samples
>Audio bits: 16  chans: 2  rate: 48000
>Audio extra header: len=91  fcc=0x77617665
>MOV: Found MPEG4 audio Elementary Stream Descriptor atom (39)!
>Fourcc: a4pm
>--------------
>MOV: longest streams: A: #1 (13514 samples)  V: #0 (8628 samples)
>VIDEO:  [v4pm]  480x360  24bpp  29.970 fps    0.0 kbps ( 0.0 kbyte/s)
>[V] filefmt:7  fourcc:0x7634706D  size:480x360  fps:29.97  ftime:=0.0334
>========================================================================
>==
>Opening audio decoder: [faad] AAC (MPEG2/4 Advanced Audio Coding)
>AUDIO: 48000 Hz, 2 ch, s16be, 128.0 kbit/8.33% (ratio: 16000->192000)
>Selected audio codec: [faad] afm:faad (FAAD AAC (MPEG-2/MPEG-4 Audio)
>decoder)
>========================================================================
>==
>Ignoring video stream!
>Opening video filter: [expand osd=1]
>Expand: -1 x -1, -1 ; -1  (-1=autodetect) osd: 1
>========================================================================
>==
>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/s16be -> 48000Hz/2ch/
>s16be...
>AF_pre: 48000Hz/2ch/s16be
>MP3 audio selected
>Building audio filter chain for 48000Hz/2ch/s16be -> 48000Hz/2ch/
>s16le...
>Writing AVI header...
>VDec: vo config request - 480 x 360 (preferred csp: Planar YV12)
>VDec: using Planar YV12 as output csp (no 0)
>Movie-Aspect is 1.33:1 - prescaling to correct movie aspect.
>videocodec: libavcodec (480x360 fourcc=34504d46 [4PMF])
>Pos:   0.7s     21f ( 0%)   7fps Trem:   0min   0mb  A-V:0.067 [0:246]
>Skipping frame!
>Pos:   1.2s     36f ( 0%)  10fps Trem:   0min   0mb  A-V:0.068 [770:240]
>Skipping frame!
>Pos: 287.8s   8628f ( 0%)  19fps Trem:   0min   0mb  A-V:0.049
>[802:221]]
>Flushing video frames
>
>Writing AVI index...
>Fixing AVI header...
>
>Video stream:  802.201 kbit/s  (100275 bps)  size: 28861314 bytes
>287.821 secs  8628 frames
>
>Audio stream:  221.994 kbit/s  (27749 bps)  size: 7998432 bytes
>288.240 secs
>
>
>
>The AVI file produced is without video, and the audio is completely
>distorted. I noticed in the messages above, it says that it is
>ignoring the video stream, but mplayer plays the source file
>(including the video stream) without any problems. Is there a way to
>stop it from ignoring the video, and if so, will it also stop the
>audio distortion?
>
>Thank you in advance for any help,
>Sean

  I just discovered the  "ignoring video stream" problem, trying to
  reencode some Windows Media files. I'm using Slackware w/gcc 2.95.3,
  and also with this morning's MPlayer and FFmpeg CVS update.

  I didn't notice the audio problem, but had the volume low, so it could
  have been there.

  Setting -of lavf or -of mpeg "fixed" the problem and produced a good
  file, so apparently it's connected to -of avi (the default).

  TIA to anyone who can help.

  Take care,
  Steve