Class DecodingDelayDetector

test/Mp3AudioFileReaderTest.cpp:231–291

// values.

class DecodingDelayDetector : public AudioProcessor
{
    public:
        DecodingDelayDetector() :
            channels_(0),
            frame_count_(0),
            start_frame_(-1)
        {
        }

    public:
        virtual bool init(
            int /* sample_rate */,
            int channels,
            long /* frame_count */,
            int /* buffer_size */)
        {
            channels_ = channels;
            return true;
        }

        virtual bool shouldContinue() const
        {
            return true;
        }

        virtual bool process(
            const short* input_buffer,
            int input_frame_count)
        {
            if (start_frame_ != -1) {
                return true;
            }

            for (int i = 0; i < input_frame_count * channels_; ++i) {
                if (input_buffer[i] != 0) {
                    start_frame_ = frame_count_ + i;
                    break;
                }
            }

            frame_count_ += input_frame_count;

            return true;
        }

        virtual void done()
        {
        }

    public:
        int getStartFrame() const
        {
            return start_frame_;
        }

    private:
        int channels_;