[FFmpeg-devel] [PATCH] Show examples to avoid to decode audio streams in pass 1

Víctor Paesa wzrlpy
Sat Aug 9 18:28:19 CEST 2008


Hi,

Diego Biurrun said:
> On Sat, Aug 09, 2008 at 09:23:31AM +0200, Stefano Sabatini wrote:
>> Hi all,
>>
>> patch suggested by Erwan Ducroquet:
>> http://thread.gmane.org/95011c1c0808051518l6e46fc80k4f2db45faba3038c at mail.gmail.com
>>
>> Regards.
>> --
>> FFmpeg = Faboulous & Foolish Martial Programmable Eccentric God
>
>> Index: doc/ffmpeg-doc.texi
>> ===================================================================
>> --- doc/ffmpeg-doc.texi	(revision 14673)
>> +++ doc/ffmpeg-doc.texi	(working copy)
>> @@ -410,6 +410,12 @@
>> +On pass 1, you may just deactivate audio and set output to null,
>> +examples for windows and unixes:
>
> Windows, Unix
>
>> + at example
>> +ffmpeg.exe -i foo.mov -vcodec libxvid -pass 1 -an -f rawvideo -y NUL

I would use "ffmpeg" instead of "ffmpeg.exe" to minimize differences. It
works fine on Windows, unless you have a "ffmpeg.bat" also.

>> +ffmpeg -i foo.mov -vcodec libxvid -pass 1 -an -f rawvideo -y
>> /dev/null + at end example
>
> Do we have Windows examples anywhere else?

Well, the FAQ humbly mentions the "copy" Windows command as closest
equivalent of "cat".

Regards,
V?ctor






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