```
/home/hurricane/citra-git/src/citra/src/audio_core/hle/ffmpeg_decoder.cpp:146:19: error: call to implicitly-deleted default constructor of 'AudioCore::HLE::BinaryMessage'
    BinaryMessage response;
                  ^
/home/hurricane/citra-git/src/citra/src/./audio_core/hle/decoder.h:116:30: note: default constructor of 'BinaryMessage' is implicitly deleted because variant field 'decode_aac_init' has a non-trivial default constructor
        DecodeAACInitRequest decode_aac_init;
                             ^
/home/hurricane/citra-git/src/citra/src/audio_core/hle/ffmpeg_decoder.cpp:211:39: warning: 'channels' is deprecated [-Wdeprecated-declarations]
                ASSERT(decoded_frame->channels <= out_streams.size());
                                      ^
/usr/include/libavutil/frame.h:661:5: note: 'channels' has been explicitly marked deprecated here
    attribute_deprecated
    ^
/usr/include/libavutil/attributes.h:100:49: note: expanded from macro 'attribute_deprecated'
#    define attribute_deprecated __attribute__((deprecated))
                                                ^
/home/hurricane/citra-git/src/citra/src/audio_core/hle/ffmpeg_decoder.cpp:217:76: warning: 'channels' is deprecated [-Wdeprecated-declarations]
                response.decode_aac_response.num_channels = decoded_frame->channels;
                                                                           ^
/usr/include/libavutil/frame.h:661:5: note: 'channels' has been explicitly marked deprecated here
    attribute_deprecated
    ^
/usr/include/libavutil/attributes.h:100:49: note: expanded from macro 'attribute_deprecated'
#    define attribute_deprecated __attribute__((deprecated))
                                                ^
/home/hurricane/citra-git/src/citra/src/audio_core/hle/ffmpeg_decoder.cpp:224:75: warning: 'channels' is deprecated [-Wdeprecated-declarations]
                    for (std::size_t channel(0); channel < decoded_frame->channels; channel++) {
                                                                          ^
/usr/include/libavutil/frame.h:661:5: note: 'channels' has been explicitly marked deprecated here
    attribute_deprecated
    ^
/usr/include/libavutil/attributes.h:100:49: note: expanded from macro 'attribute_deprecated'
#    define attribute_deprecated __attribute__((deprecated))
                                                ^
3 warnings and 1 error generated.
make[2]: *** [src/audio_core/CMakeFiles/audio_core.dir/build.make:397: src/audio_core/CMakeFiles/audio_core.dir/hle/ffmpeg_decoder.cpp.o] Error 1
make[1]: *** [CMakeFiles/Makefile2:1844: src/audio_core/CMakeFiles/audio_core.dir/all] Error 2
make[1]: *** Waiting for unfinished jobs....
```