[FFmpeg-devel] [PATCH] ffmpeg: implement input file stream disabling

[Gyan]

On 12-12-2018 03:40 AM, Michael Niedermayer wrote:
> On Mon, Dec 10, 2018 at 08:57:44PM +0530, Gyan wrote:
>> At Michael's suggestion, this patch lets -vn/-an/-sn/-dn work for input
>> files. Individual streams can still be let through e.g.
>>
>>      ffmpeg -an -discard:a:1 none -i file ...
>>
>> will let (only) the 2nd audio stream be seen during stream selection and
>> filtergraph construction.
>>
>> Thanks,
>> Gyan
>>   ffmpeg_filter.c |    7 +++++++
>>   ffmpeg_opt.c    |   17 +++++++++++++++++
>>   2 files changed, 24 insertions(+)
>> 212c7bcecbd62329f3f18893c71f464ebeee3b67  0001-ffmpeg-implement-input-file-stream-disabling.patch
>>  From 9823a71f2055f2c4c4484536291bbd2afee36a81 Mon Sep 17 00:00:00 2001
>> From: Gyan Doshi <ffmpeg at gyani.pro>
>> Date: Mon, 10 Dec 2018 20:38:20 +0530
>> Subject: [PATCH] ffmpeg: implement input file stream disabling
>>
>> -vn/-an/-sn/-dn can be set to stop processing of streams
>> of said type from an input file.
> isnt this 2 seperate changes ?
> one is adding -vn/-an/-sn/-dn input support and the other is fixing some input
> discard issues related to existing -discard functionality


Only one change. I provided an example command syntax to show how to 
selectively enable streams while leaving others of the same type disabled.

Gyan