Bug#843144: #843144 is a problem in ffmpeg

[Eriberto Mota]

Hi Andreas,

I saw your last comment. I just did a simple test using other ffmpeg.

Thanks for your work.

Regards,

Eriberto


2016-11-08 16:56 GMT-02:00 Andreas Cadhalpun <andreas.cadhal...@googlemail.com>:
> Hi Eriberto,
>
> On 08.11.2016 16:06, Eriberto Mota wrote:
>> As curiosity, I tested Vokoscreen with current ffmpeg in
>> www.deb-multimedia.org and it worked fine.
>>
>> Hope this help.
>
> Thanks for trying to help.
> This specific issue is caused by a missing build-dependency
> and already fixed in git[1].
>
> Best regards,
> Andreas
>
>
> 1: 
> https://anonscm.debian.org/cgit/pkg-multimedia/ffmpeg.git/commit/?id=81d4013cae3ca131640a6cbb304a5f17d01e6355
>

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Bug#843144: #843144 is a problem in ffmpeg

[Eriberto Mota]

Hi guys,

As curiosity, I tested Vokoscreen with current ffmpeg in
www.deb-multimedia.org and it worked fine.

Hope this help.

Regards,

Eriberto

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Bug#843144: #843144 is a problem in ffmpeg

[Eriberto Mota]

Thanks a lot Nelson!

Eriberto


2016-11-05 18:51 GMT-02:00 Nelson A. de Oliveira :
> reassign 843144 ffmpeg
> found 843144 7:3.1.5-1
> thanks
>
> Hi!
>
> I am hitting this same issue but from what I could inspect, it's
> something related with ffmpeg (and not vokoscreen)
>
> For example, directly calling ffmpeg like this, it fails:
>
> ffmpeg -f x11grab -draw_mouse 1 -framerate 25 -video_size 1920x1080 -i
> :0+0,0  -pix_fmt yuv420p -c:v libx264 -preset veryfast -q:v 1 -s
> 1920x1080 video.mkv
>
> The above example is basically what vokoscreen is using.
> We can see a lot of frames being dropped.
>
> When using -report it's possible to see a lot of messages like this:
>
> =
> cur_dts is invalid (this is harmless if it occurs once at the start per 
> stream)
> [rawvideo @ 0x562345919700] PACKET SIZE: 8294400, STRIDE: 7680
> Clipping frame in rate conversion by 0.08
> cur_dts is invalid (this is harmless if it occurs once at the start per 
> stream)
> [rawvideo @ 0x562345919700] PACKET SIZE: 8294400, STRIDE: 7680
> (...)
> =
>
> While this work:
>
> ffmpeg -f x11grab -draw_mouse 1 -r 25 -s 1920x1080 -i :0.0+0 -vcodec
> libx264 video.mkv
>
> Tested with ffmpeg 7:3.1.5-1 and latest 7:3.2-2.
> I am unsure if this could be a problem with some lib that ffmpeg uses
> (and I don't know how to test this)
>
> Thank you!
>
> Best regards,
> Nelson

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