Re: Blender failed to build with ffmpeg enabled

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On Tue, Mar 1, 2022 at 4:10 AM Luya Tshimbalanga <luya@xxxxxxxxxxxxxxxxx> wrote:
>
>
> On 2022-02-28 22:23, Mamoru TASAKA wrote:
>
> Luya Tshimbalanga wrote on 2022/03/01 15:11:
>
> Hello team,
>
> Blender failed to build with enabled FFMPEG support using ffmpeg-free-devel at the following line:
>
> '''
>
> /builddir/build/BUILD/blender-3.0.1/extern/audaspace/plugins/ffmpeg/FFMPEGReader.cpp: In member function 'void aud::FFMPEGReader::init(int)':
> /builddir/build/BUILD/blender-3.0.1/extern/audaspace/plugins/ffmpeg/FFMPEGReader.cpp:180:47: error: invalid conversion from 'const AVCodec*' to 'AVCodec*' [-fpermissive]
>    180 |         AVCodec* aCodec = avcodec_find_decoder(m_formatCtx->streams[m_stream]->codecpar->codec_id);
>        |                           ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>        |                                               |
>        |                                               const AVCodec*
> gmake[2]: *** [extern/audaspace/CMakeFiles/audaspace.dir/build.make:1549: extern/audaspace/CMakeFiles/audaspace.dir/plugins/ffmpeg/FFMPEGReader.cpp.o] Error 1
>
> '''
>
> Could someone handle the AVCodec issue please?
> Available scratch-build result:
> https://koji.fedoraproject.org/koji/taskinfo?taskID=83496011
>
>
> Thanks in advance.
>
>
> Change to const AVCodec* aCodec = avcodec_find_decoder(....
> ref:
> https://github.com/blender/blender/commit/af6a1b08e3f0d0070ac9423868d2d3f81057717a
>
>
> Thanks! Next step is to remove libavdevice.h from Blender as ffmpeg-free excluded it.
>
> Scratch result with applied patch so far: https://koji.fedoraproject.org/koji/taskinfo?taskID=83502291
>
> Scratch result with removed libavdecice.h: https://koji.fedoraproject.org/koji/taskinfo?taskID=83503990
>

We didn't exclude it. FFmpeg 5.0 removed it entirely. They replaced
the header with libavdevice/avdevice.h.



-- 
真実はいつも一つ!/ Always, there's only one truth!
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