libavcodec/mjpegenc.c File Reference

MJPEG encoder. More...

#include <assert.h>
#include "avcodec.h"
#include "dsputil.h"
#include "mpegvideo.h"
#include "mjpeg.h"
#include "mjpegenc.h"

Go to the source code of this file.

Defines
#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 (MpegEncContext *s, int table_class, int table_id, const uint8_t *bits_table, const uint8_t *value_table)
static void	jpeg_table_header (MpegEncContext *s)
static void	jpeg_put_comments (MpegEncContext *s)
void	ff_mjpeg_encode_picture_header (MpegEncContext *s)
static void	escape_FF (MpegEncContext *s, int start)
void	ff_mjpeg_encode_stuffing (PutBitContext *pbc)
void	ff_mjpeg_encode_picture_trailer (MpegEncContext *s)
void	ff_mjpeg_encode_dc (MpegEncContext *s, int val, uint8_t *huff_size, uint16_t *huff_code)
static void	encode_block (MpegEncContext *s, DCTELEM *block, int n)
void	ff_mjpeg_encode_mb (MpegEncContext *s, DCTELEM block[6][64])
static int	amv_encode_picture (AVCodecContext *avctx, unsigned char *buf, int buf_size, void *data)
Variables
AVCodec	ff_mjpeg_encoder
AVCodec	ff_amv_encoder

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Detailed Description

MJPEG encoder.

Definition in file mjpegenc.c.

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Define Documentation

#define V_MAX   2

Definition at line 452 of file mjpegenc.c.

Referenced by amv_encode_picture().

---

Function Documentation

static int amv_encode_picture	(	AVCodecContext *	avctx,
		unsigned char *	buf,
		int	buf_size,
		void *	data
	)			[static]

Definition at line 453 of file mjpegenc.c.

static void encode_block	(	MpegEncContext *	s,
		DCTELEM *	block,
		int	n
	)			[static]

Definition at line 376 of file mjpegenc.c.

static void escape_FF	(	MpegEncContext *	s,
		int	start
	)			[static]

Definition at line 282 of file mjpegenc.c.

Referenced by ff_mjpeg_encode_picture_trailer().

void ff_mjpeg_encode_close

(

MpegEncContext *

s

)

Definition at line 80 of file mjpegenc.c.

Referenced by MPV_encode_end().

void ff_mjpeg_encode_dc	(	MpegEncContext *	s,
		int	val,
		uint8_t *	huff_size,
		uint16_t *	huff_code
	)

Definition at line 354 of file mjpegenc.c.

Referenced by encode_block(), and encode_picture_lossless().

av_cold int ff_mjpeg_encode_init

(

MpegEncContext *

s

)

Definition at line 47 of file mjpegenc.c.

Referenced by MPV_encode_init().

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

Definition at line 434 of file mjpegenc.c.

Referenced by encode_mb_internal().

void ff_mjpeg_encode_picture_header

(

MpegEncContext *

s

)

Definition at line 197 of file mjpegenc.c.

Referenced by encode_picture(), and encode_picture_lossless().

void ff_mjpeg_encode_picture_trailer

(

MpegEncContext *

s

)

Definition at line 342 of file mjpegenc.c.

Referenced by encode_picture_lossless(), and MPV_encode_picture().

void ff_mjpeg_encode_stuffing

(

PutBitContext *

pbc

)

Definition at line 335 of file mjpegenc.c.

Referenced by ff_mjpeg_encode_picture_trailer(), and write_slice_end().

static void jpeg_put_comments

(

MpegEncContext *

s

)

[static]

Definition at line 153 of file mjpegenc.c.

Referenced by ff_mjpeg_encode_picture_header().

static void jpeg_table_header

(

MpegEncContext *

s

)

[static]

Definition at line 107 of file mjpegenc.c.

Referenced by ff_mjpeg_encode_picture_header().

static int put_huffman_table	(	MpegEncContext *	s,
		int	table_class,
		int	table_id,
		const uint8_t *	bits_table,
		const uint8_t *	value_table
	)			[static]

Definition at line 86 of file mjpegenc.c.

Referenced by jpeg_table_header().

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Variable Documentation

AVCodec ff_amv_encoder

Initial value:

 {
    .name           = "amv",
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = CODEC_ID_AMV,
    .priv_data_size = sizeof(MpegEncContext),
    .init           = MPV_encode_init,
    .encode         = amv_encode_picture,
    .close          = MPV_encode_end,
    .pix_fmts= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_NONE},
    .long_name      = NULL_IF_CONFIG_SMALL("AMV Video"),
}

Definition at line 485 of file mjpegenc.c.

AVCodec ff_mjpeg_encoder

Initial value:

 {
    .name           = "mjpeg",
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = CODEC_ID_MJPEG,
    .priv_data_size = sizeof(MpegEncContext),
    .init           = MPV_encode_init,
    .encode         = MPV_encode_picture,
    .close          = MPV_encode_end,
    .pix_fmts= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_NONE},
    .long_name= NULL_IF_CONFIG_SMALL("MJPEG (Motion JPEG)"),
}

Definition at line 473 of file mjpegenc.c.