[FFmpeg-devel] [PATCH] doc: document amerge filter as an alternative for the -map_channel limitation.

Tim Nicholson nichot20 at yahoo.com
Tue Jan 24 09:03:04 CET 2012


On 24/01/12 07:58, Tim Nicholson wrote:
> On 23/01/12 22:43, Clément Bœsch wrote:
>> On Mon, Jan 23, 2012 at 03:13:29PM +0100, Nicolas George wrote:
>>> L'octidi 28 nivôse, an CCXX, Tim Nicholson a écrit :
>>>> OK so after further testing I propose this amendment to Clément's patch:-
>>>>
>>>> was:-
>>>> + at example
>>>> +ffmpeg -i input.mkv -f lavfi -i "
>>>> +amovie=input.mkv:si=1 [a1];
>>>> +amovie=input.mkv:si=2 [a2];
>>>> +[a1][a2] amerge" -c:a pcm_s16le -c:v copy output.mkv
>>>> + at end example
>>>> +
>>>>
>>>> becomes:-
>>>> + at example
>>>> +ffmpeg -i input.mkv -f lavfi -i "
>>>> +amovie=input.mkv:si=1 [a1];
>>>> +amovie=input.mkv:si=2 [a2];
>>>> +[a1][a2] amerge, aformat=s16:stereo:all" -c:a pcm_s16le -c:v copy output.mkv
>>>> + at end example
>>>> +
>>>>
>>>>
>
[...]
> 
>>
>> Sorry I almost forgot this patch. It seems there is still something to fix
>> with the current patch; do you expect me to change something concerning
>> the last version I sent or should I just push it?

Of course it may all be irrelevant if your new channel mapping patch works....


-- 
Tim


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