fmpeg4_avcodec.h

gm8120的video控制

/* fmpeg4_avcodec.h (same with driver definition fmpeg4.h) */
#ifndef _FMPEG4_AVCODEC_H_
#define _FMPEG4_AVCODEC_H_

#define             FMPEG4_IOCTL_DECODE_INIT    0x4170
#define             FMPEG4_IOCTL_DECODE_FRAME   0x4172

#define             FMPEG4_IOCTL_ENCODE_INIT    0x4173
#define             FMPEG4_IOCTL_ENCODE_FRAME   0x4175
#define             FMPEG4_IOCTL_ENCODE_INFO	0x4176
#define             FMPEG4_IOCTL_GET_DEBUG_TIMER 0x4180
#define 		FMPEG4_IOCTL_GET_JPG_BUF	0x4181
#define		FMPEG4_IOCTL_FREE_JPG_BUF	0x4182
#define 		FMPEG4_IOCTL_ENCODE_FLAG   0x4183
#define 		FMPEG4_IOCTL_SET_INTER_QUANT	0x4184
#define 		FMPEG4_IOCTL_SET_INTRA_QUANT	0x4185


typedef struct AVFrame {
    /*
     * pointer to the picture planes.
     * this might be different from the first allocated byte
     * - encoding: 
     * - decoding: 
     */
    uint8_t *data[4];
    uint8_t *data_phy[4];
    int linesize[4];
    /*
     * pointer to the first allocated byte of the picture. can be used in get_buffer/release_buffer
     * this isnt used by lavc unless the default get/release_buffer() is used
     * - encoding: 
     * - decoding: 
     */
    uint8_t *base[4];
    /*
     * 1 -> keyframe, 0-> not
     * - encoding: set by lavc
     * - decoding: set by lavc
     */
    int key_frame;
    /*
     * picture type of the frame, see ?_TYPE below.
     * - encoding: set by lavc for coded_picture (and set by user for input)
     * - decoding: set by lavc
     */
    int pict_type;
    /*
     * presentation timestamp in micro seconds (time when frame should be shown to user)
     * if 0 then the frame_rate will be used as reference
     * - encoding: MUST be set by user
     * - decoding: set by lavc
     */
    int64_t pts;
    /*
     * picture number in bitstream order.
     * - encoding: set by
     * - decoding: set by lavc
     */
    int coded_picture_number;
    /*
     * picture number in display order.
     * - encoding: set by
     * - decoding: set by lavc
     */
    int display_picture_number;

    /*
     * quality (between 1 (good) and 31 (bad)) 
     * - encoding: set by lavc for coded_picture (and set by user for input)
     * - decoding: set by lavc
     */
    float quality; 
    /*
     * buffer age (1->was last buffer and dint change, 2->..., ...).
     * set to something large if the buffer has not been used yet 
     * - encoding: unused
     * - decoding: MUST be set by get_buffer()
     */
    int age;
    /*
     * is this picture used as reference\
     * - encoding: unused\
     * - decoding: set by lavc (before get_buffer() call))\
     */
    int reference;
    /*
     * QP table
     * - encoding: unused\
     * - decoding: set by lavc\
     */
    int8_t *qscale_table;
    /*
     * QP store stride\
     * - encoding: unused\
     * - decoding: set by lavc\
     */
    int qstride;
    /*
     * mbskip_table[mb]>=1 if MB didnt change\
     * stride= mb_width = (width+15)>>4\
     * - encoding: unused\
     * - decoding: set by lavc\
     */
    uint8_t *mbskip_table;
    /*
     * for some private data of the user\
     * - encoding: unused\
     * - decoding: set by user\
     */
    void *opaque;
    /*
     * error\
     * - encoding: set by lavc if flags&CODEC_FLAG_PSNR\
     * - decoding: unused\
     */
    uint64_t error[4];
    /*
     * type of the buffer (to keep track of who has to dealloc data[*])\
     * - encoding: set by the one who allocs it\
     * - decoding: set by the one who allocs it\
     * Note: user allocated (direct rendering) & internal buffers can not coexist currently\
     */
    int type;
    /*
     * when decoding, this signal how much the picture must be delayed.\
     * extra_delay = repeat_pict / (2*fps)\
     * - encoding: unused\
     * - decoding: set by lavc\
     */
    int repeat_pict;
    int qscale_type;
} AVFrame;


typedef struct video_profile
{
    unsigned int bit_rate;
    unsigned int width;   //length per dma buffer
    unsigned int height;
    unsigned int framerate;
    unsigned int frame_rate_base;
    unsigned int gop_size;
    unsigned int qmax;
    unsigned int qmin;   
    unsigned int quant;
    unsigned int enable_4mv;
    AVFrame *coded_frame;
}video_profile;

typedef struct fmpeg4_parm{
    unsigned int input_va_y;       //input Y VA address or RGB address
    unsigned int input_va_u;       //input U VA address
    unsigned int input_va_v;       //input V VA address   
    unsigned int output_va_y;      //output Y VA address or RGB address
    unsigned int output_va_u;      //output U VA address
    unsigned int output_va_v;      //output V VA ddress
    unsigned int got_picture;
    unsigned int length;
}fmpeg4_parm_t;

typedef struct
{
	unsigned int u32API_version;
	unsigned int *pu32BaseAddr;
	void * pvSemaphore;
	unsigned int u32MaxWidth;
	unsigned int u32MaxHeight;
	unsigned int u32BSBufSize;
	unsigned char * pu8FrameBaseAddr_phy;	// output frame buffer, must 8 bytes align.
	unsigned char * pu8FrameBaseAddr_U_phy;	// frame buffer (U) if output format is yuv420, must 8 bytes align.
	unsigned char * pu8FrameBaseAddr_V_phy;	// frame buffer (V) if output format is yuv420, must 8 bytes align.
	unsigned int u32FrameWidth;			// output frame width, no matter decoded image size
								// "set to 0", means equal to decoded image width
	unsigned int u32FrameHeight;		// output frame height, no matter decoded image size
								// "set to 0", means equal to decoded image height
	unsigned int u32CacheAlign;
	unsigned char * pu8ReConFrameCur_phy;	// physical address. buffer for current reconstruct frame.
	unsigned char * pu8ReConFrameCur;		// virtual address.
			// Don't care when pfnDmaMalloc != NULL
			// 8 Byte boundary
			// byte size = ((width + 15)/16) x ((height + 15)/16) x 256 x 1.5
	unsigned char * pu8ReConFrameRef_phy;	// physical address. buffer for reference reconstruct frame.
	unsigned char * pu8ReConFrameRef;		// virtual address.
			// Don't care when pfnDmaMalloc != NULL
			// 8 Byte boundary
			// byte size = ((width + 15)/16) x ((height + 15)/16) x 256 x 1.5
	unsigned short * pu16ACDC_phy;			// physical address. buffer for ACDC predictor
	unsigned short * pu16ACDC;				// virtual address.
			// Don't care when pfnDmaMalloc != NULL
			// 8 Byte boundary
			// byte size = ((width + 15)/16) x 64
	unsigned char * pu8BitStream_phy;			// physical address. buffer for bitstream
	unsigned char * pu8BitStream;				// virtual address.
			// Don't care when pfnDmaMalloc != NULL
			// byte size = u32BSBufSize
#if 0
	DMA_MALLOC_PTR_dec pfnDmaMalloc;	// "set to NULL", means the 4 above buffers will be prepared enternallly