[MEncoder-users] WMV to FLV problem with video

Brandon Ooi booi at crunchyroll.com
Mon Jan 12 19:36:09 CET 2009 

install ffmpeg. it's the easiest way. and make sure you take an svn snapshot

b

On Mon, Jan 12, 2009 at 9:30 AM, Francisco Antonio Vieira Souza
<francisco.vieira.souza at gmail.com> wrote:
> Ok, I dont have ffmpeg, I have mplayer, I just played the video and the
> output is this:
>
> C:\MPlayer>mplayer Video.wmv
> MPlayer 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:  MMX: 1 MMX2: 1 3DNow: 1 3DNow2: 1 SSE: 1 SSE2: 1
> Compiled with runtime CPU detection.
>
> Playing Video.wmv.
> 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)
> ==========================================================================
> Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
> Selected video codec: [ffdivx] vfm: ffmpeg (FFmpeg DivX ;-) (MS MPEG-4 v3))
> ==========================================================================
> ==========================================================================
> 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))
> ==========================================================================
> AO: [dsound] 22050Hz 2ch s16le (2 bytes per sample)
> Starting playback...
> VDec: vo config request - 320 x 240 (preferred colorspace: Planar YV12)
> Could not find matching colorspace - retrying with -vf scale...
> Opening video filter: [scale]
> VDec: using Planar YV12 as output csp (no 0)
> Movie-Aspect is undefined - no prescaling applied.
> [swscaler @ 00D4AEB0]SwScaler: using unscaled yuv420p -> rgb32 special
> converter
> VO: [directx] 320x240 => 320x240 BGRA
>
> Also, how could I find out this fps option if I am doing the convertion in
> the server after users upload video files?
>
> 2009/1/12 Brandon Ooi <booi at crunchyroll.com>
>
>> You need to know what the input file's fps is.
>>
>> Use ffmpeg
>>
>> > ffmpeg -i $FILENAME
>>
>> Take resulting FPS and put into mencoder.
>>
>> > 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 -fps $FPS -ofps $FPS -o Video.wmv.flv Video.wmv
>>
>> b
>>
>>
>> On Mon, Jan 12, 2009 at 9:14 AM, Francisco Antonio Vieira Souza
>> <francisco.vieira.souza at gmail.com> wrote:
>> > Sorry but I am kinda newbie on mencoder, could you tell me what I have to
>> > change in this command line?
>> >
>> >  (I had copied this from somewhere in web)
>> >
>> > 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
>> >
>> > Thank you very much for your reply.
>> > 2009/1/12 Brandon Ooi <booi at crunchyroll.com>
>> >
>> >> 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?
>> >> > _______________________________________________
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>> >> > MEncoder-users at mplayerhq.hu
>> >> > https://lists.mplayerhq.hu/mailman/listinfo/mencoder-users
>> >> >
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