[FFmpeg-devel] [PATCH] libavfilter/f_select: response file support

Jonathan Gilbert logic at deltaq.org
Mon Apr 29 23:18:52 EEST 2019


Ping! :-)

Thanks,

Jonathan Gilbert

On Wed, Apr 17, 2019 at 4:18 AM Jonathan Gilbert <logic at deltaq.org> wrote:

> I've changed the allocation functions and attached the output of `git
> format-patch` to this e-mail.
>
> Thanks,
>
> Jonathan Gilbert
>
> On Tue, Apr 16, 2019 at 5:50 PM Carl Eugen Hoyos <ceffmpeg at gmail.com>
> wrote:
>
>> 2019-04-16 19:14 GMT+02:00, Jonathan Gilbert <logic at deltaq.org>:
>> > Hello :-)
>> >
>> > I had a project recently where I wanted to externally specify a list
>> > of specific frame numbers to drop. I understand this can be done with
>> > select expressions like "not(eq(n,45)+eq(n,47)+eq(n,75))", but in my
>> > case I wanted to drop nearly 16,000 frames, which would have required
>> > a command-line over 250 KB in size. I chose a different approach: I
>> > have added functionality to f_select.c so that you can specify the
>> > list of frames you want to include/exclude in an external response
>> > file. I have successfully used this code for my project, and thought I
>> > might submit it up to for consideration. :-)
>> >
>> > I've never submitted a patch in this format before, I hope I'm doing
>> > this correctly.
>>
>> This is definitely not the only issue:
>> Instead of using malloc() and friends, please see libavutil/mem.h
>> for the appropriate functions.
>>
>> Carl Eugen
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>


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