[MEncoder-users] WMV to FLV problem with video

[Brandon Ooi]

Mencoder can't read fps from a wmv container.

use -fps to force the input fps (read from vlc or something)
use -ofps to set the output fps.

b

On Mon, Jan 12, 2009 at 4:45 AM, Francisco Antonio Vieira Souza
<francisco.vieira.souza at gmail.com> wrote:
> I tried to convert wmv video to flv using 2 command lines, in both
> cases the video seems to play too quickly and finishes but the audio
> keeps playing normally.
>
> mencoder -forceidx -of lavf -oac mp3lame -lameopts abr:br=56 -srate
> 22050 -ovc lavc -lavcopts
> vcodec=flv:vbitrate=250:mbd=2:mv0:trell:v4mv:cbp:last_pred=3 -vf
> scale=360:240 -o Video.wmv.flv Video.wmv
>
> mencoder -forceidx -of lavf -oac mp3lame -lameopts abr:br=56 -ovc lavc
> -lavcopts vcodec=flv:mbd=2:mv0:trell:v4mv:cbp:last_pred=3 -vf
> scale=360:240 -o Video.wmv.flv Video.wmv
>
> Output:
> MEncoder 1.0rc2-4.2.1 (C) 2000-2007 MPlayer Team
> CPU: AMD Turion(tm) 64 Mobile Technology ML-32 (Family: 15, Model: 36,
> Stepping: 2)
> CPUflags: Type: 15 MMX: 1 MMX2: 1 3DNow: 1 3DNow2: 1 SSE: 1 SSE2: 1
> Compiled with runtime CPU detection.
> success: format: 0  data: 0x0 - 0x67259
> ASF file format detected.
> [asfheader] Audio stream found, -aid 1
> [asfheader] Video stream found, -vid 2
> VIDEO:  [MP43]  320x240  24bpp  1000.000 fps    0.0 kbps ( 0.0 kbyte/s)
> [V] filefmt:6  fourcc:0x3334504D  size:320x240  fps:1000.00  ftime:=0.0010
> ==========================================================================
> Opening audio decoder: [ffmpeg] FFmpeg/libavcodec audio decoders
> AUDIO: 22050 Hz, 2 ch, s16le, 32.0 kbit/4.54% (ratio: 4005->88200)
> Selected audio codec: [ffwmav2] afm: ffmpeg (DivX audio v2 (FFmpeg))
> ==========================================================================
> OK, exit
> Opening video filter: [expand osd=1]
> Expand: -1 x -1, -1 ; -1, osd: 1, aspect: 0.000000, round: 1
> Opening video filter: [scale w=360 h=240]
> ==========================================================================
> Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
> Selected video codec: [ffdivx] vfm: ffmpeg (FFmpeg DivX ;-) (MS MPEG-4 v3))
> ==========================================================================
> MP3 audio selected.
> VDec: vo config request - 320 x 240 (preferred colorspace: Planar YV12)
> VDec: using Planar YV12 as output csp (no 0)
> Movie-Aspect is undefined - no prescaling applied.
> videocodec: libavcodec (360x240 fourcc=31564c46 [FLV1])
> [VE_LAVC] High quality encoding selected (non-realtime)!
> VIDEO CODEC ID: 22
> AUDIO CODEC ID: 15001, TAG: 0
> Writing header...
> Pos:   0.0s      1f ( 3%)  0.00fps Trem:   0min   0mb  A-V:0.000 [0:0]
> ...
> Pos:  12.5s    358f (100%) 76.87fps Trem:   0min   0mb  A-V:0.007 [55:46]
>
> Flushing video frames.
> Writing index...
>
> Video stream:   55.586 kbit/s  (6948 B/s)  size: 87124 bytes  12.539
> secs  358 frames
>
> Audio stream:   46.176 kbit/s  (5771 B/s)  size: 72072 bytes  12.487 secs
>
>
> What am I doing wrong?
> _______________________________________________
> MEncoder-users mailing list
> MEncoder-users at mplayerhq.hu
> https://lists.mplayerhq.hu/mailman/listinfo/mencoder-users
>