Write a .wav file from buffer example

daniel · February 15, 2019, 9:07pm

Here is some code, just a little more elaborate:

WeAreROLI/JUCE/blob/master/examples/Audio/AudioRecordingDemo.h#L87


if (sampleRate > 0)

{

    // Create an OutputStream to write to our destination file...

    file.deleteFile();



    if (auto fileStream = std::unique_ptr<FileOutputStream> (file.createOutputStream()))

    {

        // Now create a WAV writer object that writes to our output stream...

        WavAudioFormat wavFormat;



        if (auto writer = wavFormat.createWriterFor (fileStream.get(), sampleRate, 1, 16, {}, 0))

        {

            fileStream.release(); // (passes responsibility for deleting the stream to the writer object that is now using it)



            // Now we'll create one of these helper objects which will act as a FIFO buffer, and will

            // write the data to disk on our background thread.

            threadedWriter.reset (new AudioFormatWriter::ThreadedWriter (writer, backgroundThread, 32768));



            // Reset our recording thumbnail

            thumbnail.reset (writer->getNumChannels(), writer->getSampleRate());

            nextSampleNum = 0;

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Write a .wav file from buffer example

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