[FFmpeg-user] Ffmpeg compilation issues
ronak2121 at yahoo.com
Sun Oct 28 17:39:37 EET 2018
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
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