while (av_read_frame(formatContext, &inPacket) >= 0) {

    if (inPacket.stream_index != streamId)
        continue;

    if (avcodec_decode_audio4(codecContext, frameDecoded, &gotFrame, &inPacket) < 0)
        throw -18;

    if (!gotFrame)
        continue;

    // Begin conversion
    //if (swr_convert(swrContext, NULL, 0, (const uint8_t **)frameDecoded->data, frameDecoded->nb_samples) < 0)
    //  throw -19;

    //while (swr_get_out_samples(swrContext, 0) >= RAW_AUDIO_FRAME_SIZE) {

        // Allocate data
        uint8_t **convertedData = NULL;
        if (av_samples_alloc_array_and_samples(&convertedData, NULL, STREAM_AUDIO_CHANNELS, RAW_AUDIO_FRAME_SIZE, STREAM_AUDIO_SAMPLE_FORMAT_GM, 0) < 0)
            throw -20;

        // Convert
        if (swr_convert(swrContext, convertedData, RAW_AUDIO_FRAME_SIZE, (const uint8_t **)frameDecoded->data, frameDecoded->nb_samples) < 0)
            throw -21;

        // Calculate buffer size
        size_t bufferSize = av_samples_get_buffer_size(NULL, STREAM_AUDIO_CHANNELS, RAW_AUDIO_FRAME_SIZE, STREAM_AUDIO_SAMPLE_FORMAT_GM, 0);
        if (bufferSize < 0)
            throw -22;

        fwrite(convertedData[0], 1, bufferSize, outStream);
        av_freep(convertedData);
    //}
}

// Flush
cout << "flushing.." << endl;
while (1) {

    // Allocate data
    uint8_t **convertedData = NULL;
    if (av_samples_alloc_array_and_samples(&convertedData, NULL, STREAM_AUDIO_CHANNELS, RAW_AUDIO_FRAME_SIZE, STREAM_AUDIO_SAMPLE_FORMAT_GM, 0) < 0)
        throw -20;

    // Convert
    int outSamples = swr_convert(swrContext, convertedData, RAW_AUDIO_FRAME_SIZE, NULL, 0);
    if (outSamples < 0)
        throw -21;

    cout << "Flushed " << outSamples << endl;
    //cout << ret << endl;
    if (outSamples==0)
        break;

    // Calculate buffer size
    size_t bufferSize = av_samples_get_buffer_size(NULL, STREAM_AUDIO_CHANNELS, RAW_AUDIO_FRAME_SIZE, STREAM_AUDIO_SAMPLE_FORMAT_GM, 0);
    if (bufferSize < 0)
        throw -22;

    fwrite(convertedData[0], 1, bufferSize, outStream);
    av_free(convertedData);
}