Ubuntu 23.10 support #668
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Ubuntu 23.10 support #668
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On Ubuntu 23.10, FFmpeg won't build due to the issue which is now solved in upstream FFmpeg, see https://trac.ffmpeg.org/ticket/10405 https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/effadce6c756247ea8bae32dc13bb3e6f464f0eb
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lavf_device.cpp: In member function 'virtual int lavf_device::start()':
lavf_device.cpp:102:49: error: invalid conversion from 'const AVInputFormat*' to 'AVInputFormat*' [-fpermissive]
102 | input_fmt = av_find_input_format("mjpeg");
| ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~
| |
| const AVInputFormat*
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media_writer.cpp: In member function 'int media_writer::open(const string&, const stream_properties&)':
media_writer.cpp:281:50: error: invalid conversion from 'const AVOutputFormat*' to 'AVOutputFormat*' [-fpermissive]
281 | AVOutputFormat *fmt_out = av_guess_format("mp4", NULL, "video/mp4");
| ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
| |
| const AVOutputFormat*
Not in use.
It's not obvious that this hack is still in use. Muxing without reencoding should be possible with current ffmpeg API so the original explanation is moot.
This API was obsoleted and doesn't exist anymore: 2017-12-26 - a04c2c707d - lavc 58.9.100 - avcodec.h Deprecate av_lockmgr_register(). You need to build FFmpeg with threading support enabled to get basic thread-safety (which is the default build configuration).
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