Re: [Audacity-devel] Custom FFmpeg Export

[LRN <lr...@gm...>]

On 03.01.2010 5:25, Gale Andrews wrote:
> | From LRN <lr...@gm...> 
> | Sun, 03 Jan 2010 04:12:28 +0300
> | Subject: [Audacity-devel] Custom FFmpeg Export
>   
>> On 03.01.2010 4:09, Gale Andrews wrote:
>>     
>>> | From LRN <lr...@gm...> 
>>> | Sun, 03 Jan 2010 03:30:46 +0300
>>> | Subject: Custom FFmpeg Export
>>>   
>>>       
>>>> I'm using F(52.36.0),C(52.32.0),U(50.3.0) on Windows.
>>>> wav + wmav1 -> non-zero, playable
>>>> wav + pcm_alaw -> non-zero, unplayable (or playable, but borked)
>>>> wav + adpcm_ima_wav -> non-zero, playable
>>>> wav + mp2 -> non-zero, playable
>>>> wav + libmp3lame -> non-zero, playable
>>>> (i've checked the files insides, they do have RIFF header, so they are
>>>> really WAV files with variously compressed audio data)
>>>>     
>>>>         
>>> Hi LRN,
>>>
>>> Unfortunately, this really is broken on XP, both in 1.3.10 as released
>>> and in 1.3.11 Alpha (Unicode Release):
>>> http://www.gaclrecords.org.uk/audacity-win-unicode-1.3.11-alpha.zip
>>>
>>> All those examples are broken, 0 bytes, unplayable, as per Checklist.  
>>> Example attached, attempted MP2 inside WAV with automatic 
>>> settings. It's completely empty in a Hex editor. I have 
>>> F(52.36.0),C(52.32.0),U(50.3.0) like you (the stock FFmpeg 
>>> download that we offer at):
>>> http://manual.audacityteam.org/index.php?title=FAQ:Installation_and_Plug-Ins#installffmpeg
>>>   
>>> But, it seems the export effectively just isn't taking place. There is
>>> no progress dialogue even with an hour long file.    
>>>
>>>   
>>>       
>> Have you looked at the debug log? It should have something.
>>     
> OK, I didn't realise it wrote there when exporting:
>
> 02:19:17: FFmpeg : Audio Output Codec Frame Size: 1152 samples.
> 02:19:17: Log: [wav @ 649E1258] mp2 codec not supported in WAVE format
> 02:19:17: FFmpeg : ERROR - Can't write headers to output file "G:\4.wav". 
> Error code is -1.
>
>   
That could be because tag field in custom export dialog is not empty.
>
> Gale 
>
>
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