initial commit

lib/amb1_sdk/common/media/rtp_codec/mjpeg/mjpeg.h

@@ -0,0 +1,62 @@
+
+#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*/

lib/amb1_sdk/common/media/rtp_codec/mjpeg/mjpeg2jpeg.h

@@ -0,0 +1,27 @@
+#ifndef MJPEG_2_JPEG_H
+#define MJPEG_2_JPEG_H
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdint.h>
+
+#ifndef AV_RB16
+#   define AV_RB16(x)                           \
+    ((((const char*)(x))[0] << 8) |          \
+      ((const char*)(x))[1])
+#endif
+
+typedef struct AVFrames
+{
+	char *FrameData;
+	int FrameLength;
+}AVFrame;
+
+static char *append(char *buf, const char *src, int size);
+static char *append_dht_segment(char *buf);
+void mjpeg2jpeg(AVFrame *in_frame);
+
+
+
+#endif