Function copyAudioData

choc/audio/choc_AudioFileFormat.h:498–522

}

inline uint64_t copyAudioData (AudioFileWriter& dest, AudioFileReader& source, uint64_t maxNumFramesToCopy)
{
    constexpr uint32_t bufferSize = 2048;

    auto& readerProperties = source.getProperties();
    auto framesToDo = maxNumFramesToCopy != 0 ? std::min (maxNumFramesToCopy, readerProperties.numFrames) : readerProperties.numFrames;
    auto tempBuffer = choc::buffer::ChannelArrayBuffer<double> (readerProperties.numChannels, bufferSize, false);
    uint64_t readIndex = 0;

    while (framesToDo != 0)
    {
        auto blockSize = static_cast<uint32_t> (std::min (static_cast<uint64_t> (bufferSize), framesToDo));
        auto block = tempBuffer.getStart (blockSize);

        if (! source.readFrames (readIndex, block))
            break;

        dest.appendFrames (block);

        readIndex += blockSize;
        framesToDo -= blockSize;
    }

    return readIndex;
}

//==============================================================================
template <typename AudioFormatType>