mpegdec.h

来自「EM8511s中使用的mp3录制源代码」· C头文件 代码 · 共 81 行

#ifndef _MPEGDEC_H
#define _MPEGDEC_H

#include "rmbasic.h"

typedef enum 
{
	MPEG_DECODER_ERROR_NO_ERROR,
	MPEG_DECODER_ERROR_NO_DECODER,
	MPEG_DECODER_ERROR_NO_ROOM,
	MPEG_DECODER_ERROR_EOF,
	MPEG_DECODER_ERROR_UNSPECIFIED_ERROR
} MPEG_DECODER_ERROR;

typedef struct tagPCM_PARAMETERS
{
	RMuint32 SamplesPerSecond;
	RMuint32 NumberOfChannels;
	RMuint32 NumberOfBitsPerSample;

} PCM_PARAMETERS;

typedef struct tagAC3_PARAMETERS
{
	RMuint32 SamplesPerSecond;
	RMuint32 rawOutput;

} AC3_PARAMETERS;

typedef struct tagMPEGAUDIO_PARAMETERS
{
	RMuint32 SamplesPerSecond;
	RMuint32 rawOutput;
	RMuint32 layer;

} MPEGAUDIO_PARAMETERS;

typedef struct tagMPEGVIDEO_PARAMETERS
{
	RMuint32 isMPEG4;
	RMuint32 videoTimeScale;
	RMuint32 fixedVOPRate;
	RMuint32 vopTimeIncr;

} MPEGVIDEO_PARAMETERS;

class IMpegDecoder
{
public:
	virtual MPEG_DECODER_ERROR Init () = 0;
	virtual MPEG_DECODER_ERROR GetMaxDisplayModes (RMint32 *pMode) = 0;
	virtual MPEG_DECODER_ERROR SetupDisplay (RMint32 Mode) = 0;
	virtual MPEG_DECODER_ERROR GetScreenDimensions (RMint32 *w, RMint32 *h, RMint32 *n, RMint32 *d) = 0;
	virtual MPEG_DECODER_ERROR DisplayYUV420 (RMuint8 *pY, RMuint8 *pUV, RMint32 x, RMint32 y, RMint32 w, RMint32 h, RMint32 w_screen, RMint32 h_screen) = 0;
	virtual MPEG_DECODER_ERROR SetVideoDestination (RMint32 x, RMint32 y, RMint32 w, RMint32 h) = 0;
	virtual MPEG_DECODER_ERROR RenderText (RMint8 *text, RMuint32 colour, RMint32 x, RMint32 y, RMint32 w, RMint32 h) = 0;
	virtual MPEG_DECODER_ERROR RenderOsdPalette (RMuint8 *palette) = 0;
	virtual MPEG_DECODER_ERROR RenderOsdBits (RMuint8 *osd, RMint32 x, RMint32 y, RMint32 w, RMint32 h) = 0;
	virtual MPEG_DECODER_ERROR SaveOsdBits (RMuint8 *osd, RMint32 x, RMint32 y, RMint32 w, RMint32 h) = 0;
	virtual MPEG_DECODER_ERROR Play () = 0;
	virtual MPEG_DECODER_ERROR PlayIFrame () = 0;
	virtual MPEG_DECODER_ERROR Pause () = 0;
	virtual MPEG_DECODER_ERROR Stop () = 0;
	virtual MPEG_DECODER_ERROR GetSTC (RMint64 *pSTC, RMuint32 Resolution) = 0;
	virtual MPEG_DECODER_ERROR EndOfStream (RMint64 time, RMuint32 Resolution) = 0;
	virtual MPEG_DECODER_ERROR SetPCMParameters (PCM_PARAMETERS *pPcmParameters) = 0;
	virtual MPEG_DECODER_ERROR SetAC3Parameters (AC3_PARAMETERS *pAc3Parameters) = 0;
	virtual MPEG_DECODER_ERROR SetMpegAudioParameters (MPEGAUDIO_PARAMETERS *pMpegAudioParameters) = 0;
	virtual MPEG_DECODER_ERROR SetMpegVideoParameters (MPEGVIDEO_PARAMETERS *pMpegVideoParameters) = 0;
	virtual MPEG_DECODER_ERROR WriteAC3 (RMuint8 *pAc3, RMuint32 length, RMuint8 *prefcount, RMuint32 flags, RMint64 scr, RMint64 pts) = 0;
	virtual MPEG_DECODER_ERROR WriteMpegAudio (RMuint8 *pAudio, RMuint32 length, RMuint8 *prefcount, RMuint32 flags, RMint64 scr, RMint64 pts) = 0;
	virtual MPEG_DECODER_ERROR WriteMpegVideo (RMuint8 *pVideo, RMuint32 length, RMuint8 *prefcount, RMuint32 flags, RMint64 scr, RMint64 pts) = 0;
	virtual MPEG_DECODER_ERROR WritePCM (RMuint8 *pPCM, RMuint32 length, RMuint8 *prefcount, RMuint32 flags, RMint64 scr, RMint64 pts) = 0;
	virtual MPEG_DECODER_ERROR Brightness (RMint32 direction, RMint32 *pvalue) = 0;
	virtual MPEG_DECODER_ERROR Contrast (RMint32 direction, RMint32 *pvalue) = 0;
	virtual MPEG_DECODER_ERROR Saturation (RMint32 direction, RMint32 *pvalue) = 0;
	virtual MPEG_DECODER_ERROR Exit () = 0;
};

#endif