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pvvx 2016-11-22 07:48:09 +03:00
parent 03ed2886cb
commit bda4d33012
109 changed files with 73065 additions and 85 deletions
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62
RTL00_SDKV35a/component/common/media/codec/mjpeg/mjpeg.h Normal file
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#ifndef _MJPEG_H
#define _MJPEG_H
#include "dlist.h" //list management
#include "basic_types.h"
#include "osdep_service.h"
//#include "osdep_api.h"
#define MJPEG_DEBUG 0
#if MJPEG_DEBUG
#define MJPEG_PRINTF(fmt, args...) printf("\n\r%s: " fmt, __FUNCTION__, ## args)
#define MJPEG_ERROR(fmt, args...) printf("\n\r%s: " fmt, __FUNCTION__, ## args)
#else
#define MJPEG_PRINTF(fmt, args...)
#define MJPEG_ERROR(fmt, args...)
#endif
struct jpeghdr {
unsigned int tspec:8; /* type-specific field */
unsigned int off:24; /* fragment byte offset */
u8 type; /* id of jpeg decoder params */
u8 q; /* quantization factor (or table id) */
u8 width; /* frame width in 8 pixel blocks */
u8 height; /* frame height in 8 pixel blocks */
};
struct jpeghdr_rst {
u16 dri; /*restart interval*/
unsigned int f:1; /*restart first bit flag*/
unsigned int l:1; /*restart last bit flag*/
unsigned int count:14; /*restart count*/
};
struct jpeghdr_qtable {
u8 mbz;
u8 precision;
u16 length;
};
#define RTP_JPEG_RESTART 0x40
#define USE_EXPLICIT_DQT 128
#define USE_IMPLICIT_DQT 0
struct rtp_jpeg_obj
{
struct jpeghdr jpghdr;
struct jpeghdr_rst rsthdr;
struct jpeghdr_qtable qtable;
u8 lqt[64*2]; /* Luma Quantizer table */
u8 cqt[64*2]; /* Croma Quantizer table */
int hdr_len;
int frame_offset;
};
/*for debug purpose*/
void dumpJpegHeader(struct jpeghdr *jpghdr);
void dumpRstDeader(struct jpeghdr_rst *rsthdr);
#endif /*_MJPEG_H*/