mjpegenc_common.c File Reference

#include <stdint.h>
#include <string.h>
#include "libavutil/pixdesc.h"
#include "libavutil/pixfmt.h"
#include "avcodec.h"
#include "idctdsp.h"
#include "jpegtables.h"
#include "put_bits.h"
#include "mjpegenc.h"
#include "mjpegenc_common.h"
#include "mjpeg.h"

Go to the source code of this file.

Functions
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[4], int vsample[4])
void	ff_mjpeg_encode_picture_header (AVCodecContext *avctx, PutBitContext *pb, ScanTable *intra_scantable, int pred, uint16_t luma_intra_matrix[64], uint16_t chroma_intra_matrix[64])
void	ff_mjpeg_escape_FF (PutBitContext *pb, int start)
void	ff_mjpeg_build_huffman_codes (uint8_t *huff_size, uint16_t *huff_code, const uint8_t *bits_table, const uint8_t *val_table)
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)
int	ff_mjpeg_encode_check_pix_fmt (AVCodecContext *avctx)

Function Documentation

put_huffman_table()

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 38 of file mjpegenc_common.c.

Referenced by jpeg_table_header().

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 58 of file mjpegenc_common.c.

Referenced by ff_mjpeg_encode_picture_header().

jpeg_put_comments()

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

static

Definition at line 137 of file mjpegenc_common.c.

Referenced by ff_mjpeg_encode_picture_header().

ff_mjpeg_init_hvsample()

void ff_mjpeg_init_hvsample	(	AVCodecContext *	avctx,
		int	hsample[4],
		int	vsample[4]
	)

Definition at line 193 of file mjpegenc_common.c.

Referenced by ff_mjpeg_encode_picture_header(), and ljpeg_encode_init().

ff_mjpeg_encode_picture_header()

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

Definition at line 220 of file mjpegenc_common.c.

Referenced by encode_picture(), ff_mjpeg_encode_stuffing(), and ljpeg_encode_frame().

ff_mjpeg_escape_FF()

void ff_mjpeg_escape_FF	(	PutBitContext *	pb,
		int	start
	)

Definition at line 334 of file mjpegenc_common.c.

Referenced by ff_mjpeg_encode_stuffing(), and ljpeg_encode_frame().

ff_mjpeg_build_huffman_codes()

void ff_mjpeg_build_huffman_codes	(	uint8_t *	huff_size,
		uint16_t *	huff_code,
		const uint8_t *	bits_table,
		const uint8_t *	val_table
	)

Definition at line 391 of file mjpegenc_common.c.

Referenced by ff_mjpeg_encode_init(), and ljpeg_encode_init().

ff_mjpeg_encode_picture_trailer()

void ff_mjpeg_encode_picture_trailer	(	PutBitContext *	pb,
		int	header_bits
	)

Definition at line 411 of file mjpegenc_common.c.

Referenced by ff_mpv_encode_picture(), and ljpeg_encode_frame().

ff_mjpeg_encode_dc()

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

Definition at line 418 of file mjpegenc_common.c.

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

ff_mjpeg_encode_check_pix_fmt()

int ff_mjpeg_encode_check_pix_fmt

(

AVCodecContext *

avctx

)

Definition at line 440 of file mjpegenc_common.c.

Referenced by ff_mjpeg_encode_init(), and ljpeg_encode_init().