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Functions | Variables
mjpeg2jpeg_bsf.c File Reference
#include <string.h>
#include "libavutil/error.h"
#include "libavutil/mem.h"
#include "avcodec.h"
#include "jpegtables.h"

Go to the source code of this file.

Functions

static uint8_tappend (uint8_t *buf, const uint8_t *src, int size)
 
static uint8_tappend_dht_segment (uint8_t *buf)
 
static int mjpeg2jpeg_filter (AVBitStreamFilterContext *bsfc, AVCodecContext *avctx, const char *args, uint8_t **poutbuf, int *poutbuf_size, const uint8_t *buf, int buf_size, int keyframe)
 

Variables

static const uint8_t jpeg_header []
 
static const int dht_segment_size = 420
 
static const uint8_t dht_segment_head [] = { 0xFF, 0xC4, 0x01, 0xA2, 0x00 }
 
static const uint8_t dht_segment_frag []
 
AVBitStreamFilter ff_mjpeg2jpeg_bsf
 

Function Documentation

static uint8_t* append ( uint8_t buf,
const uint8_t src,
int  size 
)
static

Definition at line 57 of file mjpeg2jpeg_bsf.c.

Referenced by append_dht_segment(), and mjpeg2jpeg_filter().

static uint8_t* append_dht_segment ( uint8_t buf)
static

Definition at line 63 of file mjpeg2jpeg_bsf.c.

Referenced by mjpeg2jpeg_filter().

static int mjpeg2jpeg_filter ( AVBitStreamFilterContext bsfc,
AVCodecContext avctx,
const char *  args,
uint8_t **  poutbuf,
int *  poutbuf_size,
const uint8_t buf,
int  buf_size,
int  keyframe 
)
static

Definition at line 78 of file mjpeg2jpeg_bsf.c.

Variable Documentation

const uint8_t jpeg_header[]
static
Initial value:
= {
0xff, 0xd8,
0xff, 0xe0,
0x00, 0x10,
0x4a, 0x46, 0x49, 0x46, 0x00,
0x01, 0x01,
0x00,
0x00, 0x00,
0x00, 0x00,
0x00,
0x00,
}

Definition at line 35 of file mjpeg2jpeg_bsf.c.

Referenced by mjpeg2jpeg_filter().

const int dht_segment_size = 420
static

Definition at line 49 of file mjpeg2jpeg_bsf.c.

Referenced by mjpeg2jpeg_filter().

const uint8_t dht_segment_head[] = { 0xFF, 0xC4, 0x01, 0xA2, 0x00 }
static

Definition at line 50 of file mjpeg2jpeg_bsf.c.

Referenced by append_dht_segment().

const uint8_t dht_segment_frag[]
static
Initial value:
= {
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09,
0x0a, 0x0b, 0x01, 0x00, 0x03, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
}

Definition at line 51 of file mjpeg2jpeg_bsf.c.

Referenced by append_dht_segment().

AVBitStreamFilter ff_mjpeg2jpeg_bsf
Initial value:
= {
.name = "mjpeg2jpeg",
.filter = mjpeg2jpeg_filter,
}

Definition at line 113 of file mjpeg2jpeg_bsf.c.