[Kdenlive-devel] Change audio bitrate :(

GeBu gebu at seznam.cz
Tue Feb 13 17:50:39 UTC 2007


It is very very interesting. I compare output from mplayer -identify 
(see attachement) and there are absolutly same (different names of files 
and length)!!!!!!????????
Jirka (GeBu)

GeBu napsal(a):
> I was not successful with KDEnlive, so I tried repair samplerate by
> mencoder, but the problem remains.
> "All video files must have identical fps, resolution, and codec 
> for -ovc
> copy."
> What can KDEnlive change????
>
> These videos are here: ftp://mplayer:mplayer@147.229.23.250/
> Midle 2-stred-5s.avi
> End from KDEnlive 2-konec-mod.avi
> End after reparing samplerate by mencoder 2-konec-mod2.avi
>
>
> Jirka (GeBu)
>
>  From mencoder (Windows version, but on linux is the same):
> mencoder.exe 2-stred-5s.avi 2-konec-mod.avi -oac copy -ovc copy 
> -o pp.avi
>
> MEncoder 1.0rc1-3.4.2 (C) 2000-2006 MPlayer Team
> CPU: Intel(R) Celeron(R) CPU 2.00GHz (Family: 15, Model: 2, 
> Stepping: 7)
> CPUflags: Type: 15 MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 0 SSE2: 0
> Compiled with runtime CPU detection.
> success: format: 0  data: 0x0 - 0x11ebbd4
> AVI file format detected.
> VIDEO:  [dvsd]  720x576  24bpp  25.000 fps  28800.0 kbps (3515.6 
> kbyte/s)
> [V] filefmt:3  fourcc:0x64737664  size:720x576  fps:25.00 
> ftime:=0.0400
> videocodec: framecopy (720x576 24bpp fourcc=64737664)
> audiocodec: framecopy (format=1 chans=2 rate=32000 bits=16 
> B/s=128000
> sample-4)
> Writing header...
> ODML: Aspect information not (yet?) available or unspecified, not
> writing vprp h
> eader.
> Writing header...
> ODML: Aspect information not (yet?) available or unspecified, not
> writing vprp h
> eader.
> success: format: 0  data: 0x0 - 0x39e292a   0min  17mb  A-V:0.040
> [28800:1024]
> AVI file format detected.
> VIDEO:  [dvsd]  720x576  24bpp  25.000 fps  28800.0 kbps (3515.6 
> kbyte/s)
> [V] filefmt:3  fourcc:0x64737664  size:720x576  fps:25.00 
> ftime:=0.0400
> videocodec: framecopy (720x576 24bpp fourcc=64737664)
> videocodec: framecopy (720x576 24bpp fourcc=64737664)
>
> All video files must have identical fps, resolution, and codec 
> for -ovc
> copy.
>
> Exiting...
>
> GeBu napsal(a):
>   
>> Sorry.
>> Now I analyze my friends logs better. He made mystake.
>> It is not problem of bitrate but sampling because it is PCM:
>> Original:
>> Opening audio decoder: [pcm] Uncompressed PCM audio decoder
>> AUDIO: 32000 Hz, 2 ch, s16le, 1024.0 kbit/100.00% (ratio: 128000->128000)
>> Selected audio codec: [pcm] afm: pcm (Uncompressed PCM)
>> After KDEnlive:
>> Opening audio decoder: [pcm] Uncompressed PCM audio decoder
>> AUDIO: 48000 Hz, 2 ch, s16le, 1536.0 kbit/100.00% (ratio: 192000->192000)
>> Selected audio codec: [pcm] afm: pcm (Uncompressed PCM)
>>
>> Original export parametres: 
>> format=avi vcodec=dvvideo acodec=pcm_s16le size=720x576
>> Is it enough to add audio_sample_rate=32000 - it is not work for me :(
>>
>> Jirka (GeBu)
>>     
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