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#ifndef NULLSOFT_MP3_MPEG4_H
#define NULLSOFT_MP3_MPEG4_H
// used to decode an MPEG-1 audio object in an MPEG-4 ISO Media file
#include "../Plugins/Input/in_mp4/mpeg4audio.h"
#include <mpg123.h>
class MPEG4_MP3 : public MP4AudioDecoder
{
public:
MPEG4_MP3();
~MPEG4_MP3();
int Open();
int OpenEx(size_t bits, size_t maxChannels, bool useFloat);
//int AudioSpecificConfiguration(void *buffer, size_t buffer_size); // reads ASC block from mp4 file
int GetCurrentBitrate(unsigned int *bitrate);
int OutputFrameSize(size_t *frameSize);
int GetOutputProperties(unsigned int *sampleRate, unsigned int *channels, unsigned int *bitsPerSample);
int GetOutputPropertiesEx(unsigned int *sampleRate, unsigned int *channels, unsigned int *bitsPerSample, bool *isFloat);
int DecodeSample(void *inputBuffer, size_t inputBufferBytes, void *outputBuffer, size_t *outputBufferBytes);
void Flush();
void Close();
const char *GetCodecInfoString();
int CanHandleCodec(const char *codecName);
int CanHandleType(unsigned __int8 type);
int CanHandleMPEG4Type(unsigned __int8 type);
int SetGain(float gain);
private:
bool _UpdateProperties();
mpg123_handle *decoder;
int bits;
int channels;
bool floatingPoint;
int sample_rate;
RECVS_DISPATCH;
float gain;
int pregap;
};
#endif
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