error: no member named 'channels' in 'AVCodecContext'

[aviumcaravan]

Build Log
What is the build error?

/home/kluska/Sources/darling/src/CoreAudio/AudioToolbox/AudioConverterImpl.cpp:103:8: error: no member named 'channels' in 'AVCodecContext'
  103 |                 cIn->channels = inSourceFormat->mChannelsPerFrame;
      |                 ~~~  ^
/home/kluska/Sources/darling/src/CoreAudio/AudioToolbox/AudioConverterImpl.cpp:106:52: error: no member named 'channels' in 'AVCodecContext'
  106 |                 std::cout << "Converting from PCM with " << cIn->channels << " channels at " << cIn->sample_rate << " Hz\n";
      |                                                             ~~~  ^
/home/kluska/Sources/darling/src/CoreAudio/AudioToolbox/AudioConverterImpl.cpp:134:13: error: no member named 'channels' in 'AVCodecContext'
  134 |         m_encoder->channels = m_destinationFormat.mChannelsPerFrame;
      |         ~~~~~~~~~  ^
/home/kluska/Sources/darling/src/CoreAudio/AudioToolbox/AudioConverterImpl.cpp:136:13: error: no member named 'channel_layout' in 'AVCodecContext'
  136 |         m_encoder->channel_layout = CAChannelCountToLayout(m_destinationFormat.mChannelsPerFrame);
      |         ~~~~~~~~~  ^
/home/kluska/Sources/darling/src/CoreAudio/AudioToolbox/AudioConverterImpl.cpp:164:16: error: no member named 'channel_layout' in 'AVFrame'
  164 |         m_audioFrame->channel_layout = m_encoder->channel_layout;
      |         ~~~~~~~~~~~~  ^
/home/kluska/Sources/darling/src/CoreAudio/AudioToolbox/AudioConverterImpl.cpp:164:44: error: no member named 'channel_layout' in 'AVCodecContext'
  164 |         m_audioFrame->channel_layout = m_encoder->channel_layout;
      |                                        ~~~~~~~~~  ^
/home/kluska/Sources/darling/src/CoreAudio/AudioToolbox/AudioConverterImpl.cpp:167:78: error: no member named 'channels' in 'AVCodecContext'
  167 |         int audioSampleBuffer_size = av_samples_get_buffer_size(nullptr, m_encoder->channels, m_audioFrame->nb_samples, m_encoder->sample_fmt, 0);
      |                                                                          ~~~~~~~~~  ^
/home/kluska/Sources/darling/src/CoreAudio/AudioToolbox/AudioConverterImpl.cpp:177:66: error: no member named 'channels' in 'AVCodecContext'
  177 |         if (int err = avcodec_fill_audio_frame(m_audioFrame, m_encoder->channels, m_encoder->sample_fmt,
      |                                                              ~~~~~~~~~  ^
/home/kluska/Sources/darling/src/CoreAudio/AudioToolbox/AudioConverterImpl.cpp:456:4: warning: TODO: test this new avcodec decoder code [-W#warnings]
  456 |                 #warning TODO: test this new avcodec decoder code
      |                  ^
/home/kluska/Sources/darling/src/CoreAudio/AudioToolbox/AudioConverterImpl.cpp:570:5: warning: TODO: test this new avcodec encoder code [-W#warnings]
  570 |                         #warning TODO: test this new avcodec encoder code
      |                          ^
4 warnings and 8 errors generated.

this is a known incompatibility between previous versions of FFmpeg and FFmpeg 7.

System Information
Arch Linux AMD64, last updated on August 27th, 2024

Software	Version
Clang	18.1.8
CMake	3.30.2
Linux Kernel	6.10.5-arch1-1
Darling	773e987

[CuriousTommy]

Related to #1525, but I'll leave this issue open.

I created a fix for it, but haven't merge it in yet: #1537

[CuriousTommy]

Changes are merged