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Fix Building Against Newer Version Of FFmpeg
When building against a newer version:
* Use `ch_layout.order` & `ch_layout.nb_channels` instead of `channel_layout` & `channels`.
* Workaround `read_probe` no longer being exposed by calling `av_probe_input_format`
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src/CoreAudio/AFAVFormatComponent/AudioFileFormatGeneric.cpp
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src/CoreAudio/AFAVFormatComponent/AudioFileFormatGeneric.cpp
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UncertainResult AudioFileFormatGeneric::FileDataIsThisFormat(UInt32 inDataByteSize, const void* inData)
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{
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const AVInputFormat* fmt = av_find_input_format(m_avformatShortName);
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if (!fmt)
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return false;
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std::vector<uint8_t> buf;
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AVProbeData probeData;
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probeData.buf = buf.data();
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probeData.buf_size = inDataByteSize;
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#warning "TODO: Remove old `read_probe` call once we no longer support older distros"
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#if LIBAVCODEC_VERSION_MAJOR >= 61
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return av_probe_input_format(&probeData, false) != nullptr ? kTrue : kFalse;
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#else
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const AVInputFormat* fmt = av_find_input_format(m_avformatShortName);
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if (!fmt)
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return false;
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return fmt->read_probe(&probeData) ? kTrue : kFalse;
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#endif
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}
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AudioFileObject* AudioFileFormatGeneric::New()
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src/CoreAudio/AudioToolbox/AudioConverterImpl.cpp
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src/CoreAudio/AudioToolbox/AudioConverterImpl.cpp
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if (inSourceFormat->mFormatID == kAudioFormatLinearPCM)
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{
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#warning "TODO: Remove deprecated 'channels' once we no longer support older distros"
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#if LIBAVCODEC_VERSION_MAJOR >= 61
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cIn->ch_layout.nb_channels = inSourceFormat->mChannelsPerFrame;
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#else
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cIn->channels = inSourceFormat->mChannelsPerFrame;
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#endif
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cIn->sample_rate = inSourceFormat->mSampleRate;
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#if LIBAVCODEC_VERSION_MAJOR >= 61
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std::cout << "Converting from PCM with " << cIn->ch_layout.nb_channels << " channels at " << cIn->sample_rate << " Hz\n";
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#else
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std::cout << "Converting from PCM with " << cIn->channels << " channels at " << cIn->sample_rate << " Hz\n";
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#endif
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}
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if (avcodec_open2((*out)->m_decoder, codecIn, nullptr) < 0)
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m_encoder->codec_type = AVMEDIA_TYPE_AUDIO;
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m_encoder->bit_rate = m_outBitRate;
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#warning "TODO: Remove deprecated 'channels' once we no longer support older distros"
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#if LIBAVCODEC_VERSION_MAJOR >= 61
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m_encoder->ch_layout.order = AV_CHANNEL_ORDER_UNSPEC;
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m_encoder->ch_layout.nb_channels = m_destinationFormat.mChannelsPerFrame;
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#else
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m_encoder->channels = m_destinationFormat.mChannelsPerFrame;
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m_encoder->sample_rate = m_destinationFormat.mSampleRate;
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m_encoder->channel_layout = CAChannelCountToLayout(m_destinationFormat.mChannelsPerFrame);
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#endif
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m_encoder->sample_rate = m_destinationFormat.mSampleRate;
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m_encoder->sample_fmt = CACodecSampleFormat(&m_destinationFormat);
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#ifdef DEBUG_AUDIOCONVERTER
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m_audioFrame->nb_samples = ENCODER_FRAME_SAMPLES;
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m_audioFrame->format = m_encoder->sample_fmt;
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#warning "TODO: Remove deprecated 'channels' once we no longer support older distros"
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#if LIBAVCODEC_VERSION_MAJOR >= 61
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m_audioFrame->ch_layout.order = m_encoder->ch_layout.order;
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m_audioFrame->ch_layout.nb_channels = m_encoder->ch_layout.nb_channels;
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int audioSampleBuffer_size = av_samples_get_buffer_size(nullptr, m_encoder->ch_layout.nb_channels, m_audioFrame->nb_samples, m_encoder->sample_fmt, 0);
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#else
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m_audioFrame->channel_layout = m_encoder->channel_layout;
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int audioSampleBuffer_size = av_samples_get_buffer_size(nullptr, m_encoder->channels, m_audioFrame->nb_samples, m_encoder->sample_fmt, 0);
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#endif
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void* audioSampleBuffer = (uint8_t*) av_malloc(audioSampleBuffer_size);
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if (!audioSampleBuffer)
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}
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// Setup the data pointers in the AVFrame
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#if LIBAVCODEC_VERSION_MAJOR >= 61
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if (int err = avcodec_fill_audio_frame(m_audioFrame, m_encoder->ch_layout.nb_channels, m_encoder->sample_fmt,
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(const uint8_t*) audioSampleBuffer, audioSampleBuffer_size, 0 ); err < 0)
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#else
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if (int err = avcodec_fill_audio_frame(m_audioFrame, m_encoder->channels, m_encoder->sample_fmt,
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(const uint8_t*) audioSampleBuffer, audioSampleBuffer_size, 0 ); err < 0)
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#endif
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{
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std::cerr << "AudioConverter::allocateBuffers(): Could not set up audio frame\n";
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throw std::runtime_error("AudioConverter::allocateBuffers(): Could not set up audio frame");