msmpeg4enc.c File Reference

#include <stdint.h>
#include <string.h>
#include "libavutil/attributes.h"
#include "libavutil/avutil.h"
#include "libavutil/thread.h"
#include "codec_internal.h"
#include "mpegvideo.h"
#include "mpegvideoenc.h"
#include "h263.h"
#include "h263data.h"
#include "mpeg4video.h"
#include "msmpeg4.h"
#include "msmpeg4data.h"
#include "msmpeg4_vc1_data.h"
#include "msmpeg4enc.h"
#include "put_bits.h"
#include "rl.h"

Go to the source code of this file.

Functions
static av_cold void	init_mv_table (MVTable *tab, uint16_t table_mv_index[4096])
void	ff_msmpeg4_code012 (PutBitContext *pb, int n)
static int	get_size_of_code (const RLTable *rl, int last, int run, int level, int intra)
static av_cold void	msmpeg4_encode_init_static (void)
av_cold void	ff_msmpeg4_encode_init (MpegEncContext *s)
static void	find_best_tables (MSMPEG4EncContext *ms)
void	ff_msmpeg4_encode_picture_header (MpegEncContext *s)
void	ff_msmpeg4_encode_ext_header (MpegEncContext *s)
void	ff_msmpeg4_encode_motion (MpegEncContext *s, int mx, int my)
void	ff_msmpeg4_handle_slices (MpegEncContext *s)
static void	msmpeg4v2_encode_motion (MpegEncContext *s, int val)
void	ff_msmpeg4_encode_mb (MpegEncContext *s, int16_t block[6][64], int motion_x, int motion_y)
static void	msmpeg4_encode_dc (MpegEncContext *s, int level, int n, int *dir_ptr)
void	ff_msmpeg4_encode_block (MpegEncContext *s, int16_t *block, int n)

Variables
static uint8_t	rl_length [NB_RL_TABLES][MAX_LEVEL+1][MAX_RUN+1][2]
const FFCodec	ff_msmpeg4v2_encoder
const FFCodec	ff_msmpeg4v3_encoder
const FFCodec	ff_wmv1_encoder

Detailed Description

MSMPEG4 encoder backend

Definition in file msmpeg4enc.c.

Function Documentation

init_mv_table()

static av_cold void init_mv_table ( MVTable *  tab, uint16_t  table_mv_index[4096]  )

static

Definition at line 52 of file msmpeg4enc.c.

Referenced by msmpeg4_encode_init_static().

ff_msmpeg4_code012()

void ff_msmpeg4_code012	(	PutBitContext *	pb,
		int	n
	)

Definition at line 69 of file msmpeg4enc.c.

Referenced by ff_msmpeg4_encode_picture_header(), and ff_wmv2_encode_picture_header().

get_size_of_code()

static int get_size_of_code ( const RLTable *  rl, int  last, int  run, int  level, int  intra  )

static

Definition at line 79 of file msmpeg4enc.c.

Referenced by msmpeg4_encode_init_static().

msmpeg4_encode_init_static()

static av_cold void msmpeg4_encode_init_static ( void  )

static

Definition at line 122 of file msmpeg4enc.c.

Referenced by ff_msmpeg4_encode_init().

ff_msmpeg4_encode_init()

av_cold void ff_msmpeg4_encode_init

(

MpegEncContext *

s

)

Definition at line 139 of file msmpeg4enc.c.

Referenced by ff_mpv_encode_init().

find_best_tables()

static void find_best_tables ( MSMPEG4EncContext *  ms )

static

Definition at line 153 of file msmpeg4enc.c.

Referenced by ff_msmpeg4_encode_picture_header().

ff_msmpeg4_encode_picture_header()

void ff_msmpeg4_encode_picture_header

(

MpegEncContext *

s

)

Definition at line 219 of file msmpeg4enc.c.

Referenced by encode_picture().

ff_msmpeg4_encode_ext_header()

void ff_msmpeg4_encode_ext_header

(

MpegEncContext *

s

)

Definition at line 281 of file msmpeg4enc.c.

Referenced by encode_thread(), and ff_msmpeg4_encode_picture_header().

ff_msmpeg4_encode_motion()

void ff_msmpeg4_encode_motion	(	MpegEncContext *	s,
		int	mx,
		int	my
	)

Definition at line 294 of file msmpeg4enc.c.

Referenced by ff_msmpeg4_encode_mb(), and ff_wmv2_encode_mb().

ff_msmpeg4_handle_slices()

void ff_msmpeg4_handle_slices

(

MpegEncContext *

s

)

Definition at line 327 of file msmpeg4enc.c.

Referenced by ff_msmpeg4_encode_mb(), and ff_wmv2_encode_mb().

msmpeg4v2_encode_motion()

static void msmpeg4v2_encode_motion ( MpegEncContext *  s, int  val  )

static

Definition at line 340 of file msmpeg4enc.c.

Referenced by ff_msmpeg4_encode_mb().

ff_msmpeg4_encode_mb()

void ff_msmpeg4_encode_mb	(	MpegEncContext *	s,
		int16_t	block[6][64],
		int	motion_x,
		int	motion_y
	)

Definition at line 373 of file msmpeg4enc.c.

Referenced by encode_mb_internal().

msmpeg4_encode_dc()

static void msmpeg4_encode_dc ( MpegEncContext *  s, int  level, int  n, int *  dir_ptr  )

static

Definition at line 496 of file msmpeg4enc.c.

Referenced by ff_msmpeg4_encode_block().

ff_msmpeg4_encode_block()

void ff_msmpeg4_encode_block	(	MpegEncContext *	s,
		int16_t *	block,
		int	n
	)

Definition at line 559 of file msmpeg4enc.c.

Referenced by ff_msmpeg4_encode_mb(), and ff_wmv2_encode_mb().

Variable Documentation

rl_length

uint8_t rl_length[NB_RL_TABLES][MAX_LEVEL+1][MAX_RUN+1][2]

static

Definition at line 49 of file msmpeg4enc.c.

Referenced by find_best_tables(), and msmpeg4_encode_init_static().

ff_msmpeg4v2_encoder

const FFCodec ff_msmpeg4v2_encoder

Initial value:

= {
    .p.name         = "msmpeg4v2",
    CODEC_LONG_NAME("MPEG-4 part 2 Microsoft variant version 2"),
    .p.type         = AVMEDIA_TYPE_VIDEO,
    .p.id           = AV_CODEC_ID_MSMPEG4V2,
    .p.pix_fmts     = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE },
    .p.priv_class   = &ff_mpv_enc_class,
    .p.capabilities = AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,
    .caps_internal  = FF_CODEC_CAP_INIT_CLEANUP,
    .priv_data_size = sizeof(MSMPEG4EncContext),
    .init           = ff_mpv_encode_init,
    FF_CODEC_ENCODE_CB(ff_mpv_encode_picture),
    .close          = ff_mpv_encode_end,
}

Definition at line 680 of file msmpeg4enc.c.

ff_msmpeg4v3_encoder

const FFCodec ff_msmpeg4v3_encoder

Initial value:

= {
    .p.name         = "msmpeg4",
    CODEC_LONG_NAME("MPEG-4 part 2 Microsoft variant version 3"),
    .p.type         = AVMEDIA_TYPE_VIDEO,
    .p.id           = AV_CODEC_ID_MSMPEG4V3,
    .p.pix_fmts     = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE },
    .p.priv_class   = &ff_mpv_enc_class,
    .p.capabilities = AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,
    .caps_internal  = FF_CODEC_CAP_INIT_CLEANUP,
    .priv_data_size = sizeof(MSMPEG4EncContext),
    .init           = ff_mpv_encode_init,
    FF_CODEC_ENCODE_CB(ff_mpv_encode_picture),
    .close          = ff_mpv_encode_end,
}

Definition at line 695 of file msmpeg4enc.c.

ff_wmv1_encoder

const FFCodec ff_wmv1_encoder

Initial value:

= {
    .p.name         = "wmv1",
    CODEC_LONG_NAME("Windows Media Video 7"),
    .p.type         = AVMEDIA_TYPE_VIDEO,
    .p.id           = AV_CODEC_ID_WMV1,
    .p.pix_fmts     = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE },
    .p.priv_class   = &ff_mpv_enc_class,
    .p.capabilities = AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,
    .caps_internal  = FF_CODEC_CAP_INIT_CLEANUP,
    .priv_data_size = sizeof(MSMPEG4EncContext),
    .init           = ff_mpv_encode_init,
    FF_CODEC_ENCODE_CB(ff_mpv_encode_picture),
    .close          = ff_mpv_encode_end,
}

Definition at line 710 of file msmpeg4enc.c.