decoder.h

基于Linux的ffmepg decoder

#ifndef _DECODER_H_
#define _DECODER_H_

//#include "xvid.h"
#include "portab.h"
#include "mp4vdec.h"
#include "global.h"
#include "image/image_d.h"

#undef API_VERSION //ivan for both using decoder and encoder header files
#define API_VERSION ((2 << 16) | (2))

/*****************************************************************************
 * Structures
 ****************************************************************************/
typedef struct
{
	// ben 2005/3/26
	uint32_t u32CacheAlign;
	DMA_MALLOC_PTR pfnDmaMalloc;
	DMA_FREE_PTR pfnDmaFree;
	void * pvSemaphore;
	SEM_WAIT_PTR pfnSemWait;
	SEM_SIGNAL_PTR pfnSemSignal;
	REQUEST_BS_PTR pfnRequestBS;
	uint32_t u32MaxWidth;
	uint32_t u32MaxHeight;
	// ben 2004/10/22
	uint32_t u32BS_used_byte;
	uint32_t * pu32BaseAddr;
	// ben 2004/10/21
	uint8_t *pu8BS_start_virt;
	uint8_t *pu8BS_start_phy;
	uint8_t *pu8BS_ptr_virt;
	uint8_t *pu8BS_ptr_phy;
	uint32_t u32BS_buf_sz;
	uint32_t u32BS_buf_sz_remain;
	boolean bBS_end_of_data;
	// ben 2004/6
	uint8_t * output_base_phy;
	uint8_t * output_base_ref_phy;
	uint32_t output_stride;
	uint32_t output_height;
	#if (OUTPUT_FMT == OUTPUT_FMT_YUV)
		// ben 2005/5
		uint8_t * output_base_u_phy;
		uint8_t * output_base_v_phy;
	#endif
	// ben 2004/6/14
	int16_t *pu16ACDC_ptr_virt;
	int16_t *pu16ACDC_ptr_phy;
	// bitstream
	uint32_t shape;
	uint32_t time_inc_bits;
	uint32_t quant_bits;
	uint32_t quant_type;
	uint32_t quarterpel;
	uint32_t resync_marker_disable;
	uint32_t data_partitioned;
	uint32_t reversible_vlc;
	uint32_t interlacing;
	uint32_t top_field_first;
	uint32_t alternate_vertical_scan;
	//	h263		rogers      11/05/2003

	uint32_t h263;
	uint32_t split_screen_indicator;
	uint32_t document_camera_indicator;
	uint32_t full_picture_freeze_release;
	uint32_t picture_coding_type;
	uint32_t source_format;
	// image

	uint32_t width;
	uint32_t height;
#if 0
	uint32_t edged_width;
	uint32_t edged_height;
#endif
	IMAGE cur;
	IMAGE refn;
	IMAGE refh;
	IMAGE refv;
	IMAGE refhv;

	// macroblock

	uint32_t mb_width;
	uint32_t mb_height;
	MACROBLOCK *mbs;

	// for B-frame
	int32_t frames;				// total frame number
	int8_t scalability;
	int64_t time;				// for record time
	int64_t time_base;
	int64_t last_time_base;
	int64_t last_non_b_time;
	uint32_t time_pp;
	uint32_t time_bp;
	uint8_t low_delay;			// low_delay flage (1 means no B_VOP)

}
DECODER;

/*****************************************************************************
 * Decoder prototypes
 ****************************************************************************/

// ben-mark-04'10/21: void init_decoder(uint32_t cpu_flags);

int32_t decoder_create(FMP4_DEC_PARAM * ptParam, void ** pptDecHandle);
void decoder_destroy(void * ptDecHandle);
int32_t decoder_decode(void * ptDecHandle, FMP4_DEC_RESULT * ptResult);


#endif