[FFmpeg-user] how to see what version of ffv1

[Jim Shupert]

On 3/23/2017 12:31 AM, Dave Rice wrote:
> Hi Jim,
>
>> On Mar 22, 2017, at 9:55 PM, jshupert at theppsgroup.com wrote:
>>
>> Friends,
>> 3 Qs
>> q1
>> I am wondering how I can tell what version of ffv1 a file is encoded with?
>>
>> I find a ticket 1534
>> https://trac.ffmpeg.org/ticket/1534
>> that seems to have the same concern
>> ffprobe -show_streams  does *not show that a file was made with
> The comments of the ticket also provide a solution.
>
> You could also use `ffprobe -i <input_video> -debug 1`. There’s some documentation on that at https://trac.ffmpeg.org/wiki/Encode/FFV1 <https://trac.ffmpeg.org/wiki/Encode/FFV1>.
>
>> q2
>> is it true that the following command will create a file with ffv1 version 3?
>> ffmpeg -i <input> -vcodec ffv1 -level 3 -coder 1 <outfile>
> Yes.
>
>> q3
>> how can i see that my ffmpeg compile has ffv1 version 3 capability
> Is it after https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/abe76b851c05eea8743f6c899cbe5f7409b0f301 <https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/abe76b851c05eea8743f6c899cbe5f7409b0f301> ?
>
> Or if you run `ffmpeg -h encoder=ffv1` do you see the -slicecrc option?
> Dave
>
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Thanks brother.