[FFmpeg-user] Output to S3

[Bohdan Fihar]

Hi Moritz. Thanks for the answer.
I can't rely on "aws s3 cp", since it can be not installed on a machine
where I will run ffmpeg.

Do you know what this error means ?
[image: image.png]

On Tue, 8 Sep 2020 at 12:10, Moritz Barsnick <barsnick at gmx.net> wrote:

> Hi Bohdan/Bogdan,
>
> On Tue, Sep 08, 2020 at 09:39:26 +0300, Bohdan Fihar wrote:
> > How can I output a video file to AWS S3 either public bucket ot Presigned
> > url ?
> > I tried
> > *ffmpeg -i small.mkv -f matroska -movflags frag_keyframe+empty_moov
> -method
> > PUT https://[my-bucket-name].s3.us-east-2.amazonaws.com/video/output.mkv
> > <http://s3.us-east-2.amazonaws.com/video/output.mkv>*
> >
> > bur it won't work, fails with
> >
> > *av_interleaved_write_frame(): I/O errorError writing trailer of
> https...*
>
> I have no experience with S3, but this Stackoverflow thread seems to
> suggest you need to use the "aws s3 cp" command:
>
>
> https://stackoverflow.com/questions/54736246/stream-ffmpeg-transcoding-result-to-s3
>
> I *guess* ffmpeg assumes it can seek on HTTP PUT output URLs, which
> doesn't work on AWS S3. Instead, when piping with above command, ffmpeg
> doesn't use this assumption. But I may be wrong.
>
> Please try this.
>
> Cheers,
> Moritz
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-- 
All the best,

Bohdan
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