ltcdecoder.h

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#pragma once
 
#include <promeki/core/namespace.h>
#include <promeki/core/timecode.h>
#include <promeki/core/list.h>
#include <promeki/proav/audio.h>
#include <vtc/ltc_audio.h>
 
PROMEKI_NAMESPACE_BEGIN
 
class LtcDecoder {
        public:
                struct DecodedTimecode {
                        Timecode timecode;      
                        int64_t sampleStart;    
                        int64_t sampleLength;   
                };
 
                using DecodedList = List<DecodedTimecode>;
 
                LtcDecoder(int sampleRate);
 
                ~LtcDecoder() = default;
 
                LtcDecoder(const LtcDecoder &) = delete;
                LtcDecoder &operator=(const LtcDecoder &) = delete;
                LtcDecoder(LtcDecoder &&) = default;
                LtcDecoder &operator=(LtcDecoder &&) = default;
 
                int sampleRate() const { return _decoder.sample_rate; }
 
                void setThresholds(int8_t lower, int8_t upper);
 
                void setFuzz(int fuzz);
 
                DecodedList decode(const int8_t *samples, size_t count);
 
                DecodedList decode(const Audio &audio);
 
                void reset();
 
        private:
                VtcLTCDecoder _decoder;
                DecodedList _results;
 
                static void decoderCallback(const VtcTimecode *tc,
                        int64_t sampleStart, int64_t sampleLength, void *userData);
};
 
PROMEKI_NAMESPACE_END