mjpegenc.c File Reference

MJPEG encoder. More...

#include "libavutil/pixdesc.h"
#include "avcodec.h"
#include "mpegvideo.h"
#include "mjpeg.h"
#include "mjpegenc.h"

Go to the source code of this file.

Macros
#define	V_MAX   2

Functions
av_cold int	ff_mjpeg_encode_init (MpegEncContext *s)
void	ff_mjpeg_encode_close (MpegEncContext *s)
static int	put_huffman_table (PutBitContext *p, int table_class, int table_id, const uint8_t *bits_table, const uint8_t *value_table)
static void	jpeg_table_header (AVCodecContext *avctx, PutBitContext *p, ScanTable *intra_scantable, uint16_t luma_intra_matrix[64], uint16_t chroma_intra_matrix[64], int hsample[3])
static void	jpeg_put_comments (AVCodecContext *avctx, PutBitContext *p)
void	ff_mjpeg_init_hvsample (AVCodecContext *avctx, int hsample[3], int vsample[3])
void	ff_mjpeg_encode_picture_header (AVCodecContext *avctx, PutBitContext *pb, ScanTable *intra_scantable, uint16_t luma_intra_matrix[64], uint16_t chroma_intra_matrix[64])
void	ff_mjpeg_escape_FF (PutBitContext *pb, int start)
void	ff_mjpeg_encode_stuffing (MpegEncContext *s)
void	ff_mjpeg_encode_picture_trailer (PutBitContext *pb, int header_bits)
void	ff_mjpeg_encode_dc (PutBitContext *pb, int val, uint8_t *huff_size, uint16_t *huff_code)
static void	encode_block (MpegEncContext *s, int16_t *block, int n)
void	ff_mjpeg_encode_mb (MpegEncContext *s, int16_t block[6][64])
static int	amv_encode_picture (AVCodecContext *avctx, AVPacket *pkt, const AVFrame *pic_arg, int *got_packet)

Detailed Description

MJPEG encoder.

Definition in file mjpegenc.c.

Macro Definition Documentation

#define V_MAX   2

Definition at line 526 of file mjpegenc.c.

Referenced by amv_encode_picture().

Function Documentation

av_cold int ff_mjpeg_encode_init

(

MpegEncContext *

s

)

Definition at line 40 of file mjpegenc.c.

Referenced by ff_MPV_encode_init().

void ff_mjpeg_encode_close

(

MpegEncContext *

s

)

Definition at line 78 of file mjpegenc.c.

Referenced by ff_MPV_encode_end().

static int put_huffman_table ( PutBitContext *  p, int  table_class, int  table_id, const uint8_t *  bits_table, const uint8_t *  value_table  )

static

Definition at line 84 of file mjpegenc.c.

Referenced by jpeg_table_header().

static void jpeg_table_header ( AVCodecContext *  avctx, PutBitContext *  p, ScanTable *  intra_scantable, uint16_t  luma_intra_matrix[64], uint16_t  chroma_intra_matrix[64], int  hsample[3]  )

static

Definition at line 104 of file mjpegenc.c.

Referenced by ff_mjpeg_encode_picture_header().

static void jpeg_put_comments ( AVCodecContext *  avctx, PutBitContext *  p  )

static

Definition at line 161 of file mjpegenc.c.

Referenced by ff_mjpeg_encode_picture_header().

void ff_mjpeg_init_hvsample	(	AVCodecContext *	avctx,
		int	hsample[3],
		int	vsample[3]
	)

Definition at line 203 of file mjpegenc.c.

Referenced by ff_mjpeg_encode_picture_header(), and ljpeg_encode_init().

void ff_mjpeg_encode_picture_header	(	AVCodecContext *	avctx,
		PutBitContext *	pb,
		ScanTable *	intra_scantable,
		uint16_t	luma_intra_matrix[64],
		uint16_t	chroma_intra_matrix[64]
	)

Definition at line 229 of file mjpegenc.c.

Referenced by encode_picture(), and ljpeg_encode_frame().

void ff_mjpeg_escape_FF	(	PutBitContext *	pb,
		int	start
	)

Definition at line 328 of file mjpegenc.c.

Referenced by ff_mjpeg_encode_stuffing(), and ljpeg_encode_frame().

void ff_mjpeg_encode_stuffing

(

MpegEncContext *

s

)

Definition at line 387 of file mjpegenc.c.

Referenced by write_slice_end().

void ff_mjpeg_encode_picture_trailer	(	PutBitContext *	pb,
		int	header_bits
	)

Definition at line 403 of file mjpegenc.c.

Referenced by ff_MPV_encode_picture(), and ljpeg_encode_frame().

void ff_mjpeg_encode_dc	(	PutBitContext *	pb,
		int	val,
		uint8_t *	huff_size,
		uint16_t *	huff_code
	)

Definition at line 410 of file mjpegenc.c.

Referenced by encode_block(), ljpeg_encode_bgr(), and ljpeg_encode_yuv_mb().

static void encode_block ( MpegEncContext *  s, int16_t *  block, int  n  )

static

Definition at line 432 of file mjpegenc.c.

Referenced by ff_mjpeg_encode_mb().

void ff_mjpeg_encode_mb	(	MpegEncContext *	s,
		int16_t	block[6][64]
	)

Definition at line 490 of file mjpegenc.c.

Referenced by encode_mb_internal().

static int amv_encode_picture ( AVCodecContext *  avctx, AVPacket *  pkt, const AVFrame *  pic_arg, int *  got_packet  )

static

Definition at line 527 of file mjpegenc.c.