decodeToAudioSamples()

fl::vector< audio::Sample > fl::third_party::Mp3HelixDecoder::decodeToAudioSamples	(	const fl::u8 *	data,
		fl::size	len )

Definition at line 96 of file mp3.cpp.hpp.

                                                                                        {
    fl::vector<audio::Sample> samples;
 
    decode(data, len, [&](const Mp3Frame& frame) {
        // Convert stereo to mono by averaging channels
        if (frame.channels == 2) {
            fl::vector<fl::i16> mono_pcm;
            mono_pcm.reserve(frame.samples);
 
            for (int i = 0; i < frame.samples; i++) {
                fl::i32 left = frame.pcm[i * 2];
                fl::i32 right = frame.pcm[i * 2 + 1];
                fl::i32 avg = (left + right) / 2;
                mono_pcm.push_back(static_cast<fl::i16>(avg));
            }
 
            audio::Sample sample(mono_pcm);
            samples.push_back(sample);
        } else {
            // Mono audio - use directly
            audio::Sample sample(fl::span<const fl::i16>(frame.pcm, frame.samples));
            samples.push_back(sample);
        }
    });
 
    return samples;
}

References fl::third_party::Mp3Frame::channels, decode(), fl::third_party::Mp3Frame::pcm, fl::vector< T >::push_back(), fl::vector< T >::reserve(), fl::sample(), and fl::third_party::Mp3Frame::samples.

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