mjpeg2jpeg_bsf.c File Reference

#include <string.h>
#include "libavutil/error.h"
#include "libavutil/mem.h"
#include "libavutil/intreadwrite.h"
#include "avcodec.h"
#include "bsf.h"
#include "jpegtables.h"
#include "mjpeg.h"

Go to the source code of this file.

Functions
static uint8_t *	append (uint8_t *buf, const uint8_t *src, int size)
static uint8_t *	append_dht_segment (uint8_t *buf)
static int	mjpeg2jpeg_filter (AVBSFContext *ctx, AVPacket *out)

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 []
static enum AVCodecID	codec_ids []
const AVBitStreamFilter	ff_mjpeg2jpeg_bsf

Function Documentation

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

static

Definition at line 60 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 66 of file mjpeg2jpeg_bsf.c.

Referenced by mjpeg2jpeg_filter().

static int mjpeg2jpeg_filter ( AVBSFContext *  ctx, AVPacket *  out  )

static

Definition at line 81 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 38 of file mjpeg2jpeg_bsf.c.

Referenced by mjpeg2jpeg_filter().

const int dht_segment_size = 420

static

Definition at line 52 of file mjpeg2jpeg_bsf.c.

Referenced by mjpeg2jpeg_filter().

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

static

Definition at line 53 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 54 of file mjpeg2jpeg_bsf.c.

Referenced by append_dht_segment().

enum AVCodecID codec_ids[]

static

Initial value:

= {
    AV_CODEC_ID_MJPEG, AV_CODEC_ID_NONE,
}

Definition at line 135 of file mjpeg2jpeg_bsf.c.

const AVBitStreamFilter ff_mjpeg2jpeg_bsf

Initial value:

= {
    .name           = "mjpeg2jpeg",
    .filter         = mjpeg2jpeg_filter,
    .codec_ids      = codec_ids,
}

Definition at line 139 of file mjpeg2jpeg_bsf.c.