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