[FFmpeg-user] Ffmpeg compilation issues

[Ronak]

Thanks.

Do you know when this would be merged in so I can build the latest developer trunk?
There are features in the developer trunk that I'm interested in using.

> On Oct 27, 2018, at 3:32 PM, Mark Thompson <sw at jkqxz.net> wrote:
> 
> On 27/10/18 17:24, Ronak wrote:
>> Hi all,
>> 
>> I'm trying to build the latest HEAD version of Ffmpeg on Linux on the following platform.
>> 
>> Linux 4.9.124-0.1.ac.198.71.329.metal1.x86_64 #1 SMP Thu Aug 30 20:39:05 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
>> 
>> But, I'm getting compilation problems:
>> 
>> libavcodec/v4l2_m2m_enc.c: In function ‘v4l2_set_ext_ctrl’:
>> libavcodec/v4l2_m2m_enc.c:51: warning: braces around scalar initializer
>> libavcodec/v4l2_m2m_enc.c:51: warning: (near initialization for ‘ctrls.count’)
>> libavcodec/v4l2_m2m_enc.c:55: error: ‘struct v4l2_ext_controls’ has no member named ‘ctrl_class’
>> libavcodec/v4l2_m2m_enc.c:60: error: ‘struct v4l2_ext_control’ has no member named ‘value’
>> libavcodec/v4l2_m2m_enc.c: In function ‘v4l2_get_ext_ctrl’:
>> libavcodec/v4l2_m2m_enc.c:71: warning: braces around scalar initializer
>> libavcodec/v4l2_m2m_enc.c:71: warning: (near initialization for ‘ctrls.count’)
>> libavcodec/v4l2_m2m_enc.c:76: error: ‘struct v4l2_ext_controls’ has no member named ‘ctrl_class’
>> libavcodec/v4l2_m2m_enc.c:89: error: ‘struct v4l2_ext_control’ has no member named ‘value’
>> make: *** [libavcodec/v4l2_m2m_enc.o] Error 1
>> 
>> It looks like Ffmpeg is not finding the correct unions in the file: /usr/include/linux/videodev2.h.
>> 
>> What do I have to set to make compilation succeed?
> 
> This was broken by a change which suppressed an invalid warning.  Fix here: <https://lists.ffmpeg.org/pipermail/ffmpeg-devel/2018-October/235651.html <https://lists.ffmpeg.org/pipermail/ffmpeg-devel/2018-October/235651.html>>.
> 
> Thanks for the report!
> 
> - Mark
> _______________________________________________
> ffmpeg-user mailing list
> ffmpeg-user at ffmpeg.org <mailto:ffmpeg-user at ffmpeg.org>
> http://ffmpeg.org/mailman/listinfo/ffmpeg-user <http://ffmpeg.org/mailman/listinfo/ffmpeg-user>
> 
> To unsubscribe, visit link above, or email
> ffmpeg-user-request at ffmpeg.org <mailto:ffmpeg-user-request at ffmpeg.org> with subject "unsubscribe".