decore.h

代码实现了基于ARM7的MPEG-4视频解码器

//*****************************************
//File name:  decore.h
//Author:     Anna
//Date:
//*****************************************


// decore options
#define DEC_OPT_MEMORY_REQS	0x00004000
#define DEC_OPT_INIT				0x00008000
//#define DEC_OPT_RELEASE			0x00010000
//#define DEC_OPT_SETPP				0x00020000 // set postprocessing mode
//#define DEC_OPT_SETOUT			0x00040000 // set output mode

// decore return values
#define DEC_OK					0
//#define DEC_MEMORY			1
//#define DEC_BAD_FORMAT	2
#define DEC_EXIT				3

/**
 *
**/

//typedef struct _DEC_MEM_REQS_
//{
	unsigned long mp4_edged_ref_buffers_size;
	unsigned long mp4_edged_for_buffers_size;
	unsigned long mp4_display_buffers_size;
	unsigned long mp4_state_size;
	unsigned long mp4_tables_size;
	unsigned long mp4_stream_size;
//} DEC_MEM_REQS;

//typedef struct _DEC_BUFFERS_ 
//{
	void * mp4_edged_ref_buffers;  
	void * mp4_edged_for_buffers;  
	void * mp4_display_buffers;
	void * mp4_state;
	void * mp4_tables;
	void * mp4_stream;
//} DEC_BUFFERS;

//typedef struct _DEC_PARAM_ 
//{
	int x_dim; // x dimension of the frames to be decoded
	int y_dim; // y dimension of the frames to be decoded
//	DEC_BUFFERS buffers;
//} DEC_PARAM;

//typedef struct _DEC_FRAME_
//{
	void *bmp; // the decoded bitmap 
	void *bitstream; // the decoder buffer
	int length; // the lenght of the decoder stream
	int render_flag;	// 1: the frame is going to be rendered
	unsigned int stride; // decoded bitmap stride

//} DEC_FRAME;