mpegvideoenc.h File Reference

#include <float.h>
#include "libavutil/avassert.h"
#include "libavutil/opt.h"
#include "fdctdsp.h"
#include "motion_est.h"
#include "mpegvideo.h"
#include "mpegvideoencdsp.h"
#include "pixblockdsp.h"
#include "put_bits.h"
#include "ratecontrol.h"

Go to the source code of this file.

Data Structures
struct	MPVEncContext
struct	MPVMainEncContext

Macros
#define	MPVENC_MAX_B_FRAMES   16
#define	MAX_FCODE   7
#define	UNI_AC_ENC_INDEX(run, level)   ((run)*128 + (level))
#define	INPLACE_OFFSET   16
#define	CANDIDATE_MB_TYPE_INTRA   (1 << 0)
#define	CANDIDATE_MB_TYPE_INTER   (1 << 1)
#define	CANDIDATE_MB_TYPE_INTER4V   (1 << 2)
#define	CANDIDATE_MB_TYPE_SKIPPED   (1 << 3)
#define	CANDIDATE_MB_TYPE_DIRECT   (1 << 4)
#define	CANDIDATE_MB_TYPE_FORWARD   (1 << 5)
#define	CANDIDATE_MB_TYPE_BACKWARD   (1 << 6)
#define	CANDIDATE_MB_TYPE_BIDIR   (1 << 7)
#define	CANDIDATE_MB_TYPE_INTER_I   (1 << 8)
#define	CANDIDATE_MB_TYPE_FORWARD_I   (1 << 9)
#define	CANDIDATE_MB_TYPE_BACKWARD_I   (1 << 10)
#define	CANDIDATE_MB_TYPE_BIDIR_I   (1 << 11)
#define	CANDIDATE_MB_TYPE_DIRECT0   (1 << 12)
#define	FF_MPV_FLAG_SKIP_RD   0x0001
#define	FF_MPV_FLAG_STRICT_GOP   0x0002
#define	FF_MPV_FLAG_QP_RD   0x0004
#define	FF_MPV_FLAG_CBP_RD   0x0008
#define	FF_MPV_FLAG_NAQ   0x0010
#define	FF_MPV_FLAG_MV0   0x0020
#define	FF_MPV_OPT_CMP_FUNC
#define	FF_MPV_OFFSET(x)   offsetof(MPVEncContext, x)
#define	FF_MPV_MAIN_OFFSET(x)   offsetof(MPVMainEncContext, x)
#define	FF_RC_OFFSET(x)   offsetof(MPVMainEncContext, rc_context.x)
#define	FF_MPV_OPT_FLAGS   (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM)
#define	FF_MPV_COMMON_OPTS
#define	FF_MPV_COMMON_BFRAME_OPTS
#define	FF_MPV_COMMON_MOTION_EST_OPTS

Functions
static const MPVMainEncContext *	slice_to_mainenc (const MPVEncContext *s)
int	ff_mpv_encode_init (AVCodecContext *avctx)
int	ff_mpv_encode_end (AVCodecContext *avctx)
int	ff_mpv_encode_picture (AVCodecContext *avctx, AVPacket *pkt, const AVFrame *frame, int *got_packet)
int	ff_mpv_reallocate_putbitbuffer (MPVEncContext *s, size_t threshold, size_t size_increase)
void	ff_write_quant_matrix (PutBitContext *pb, uint16_t *matrix)
void	ff_dct_encode_init (MPVEncContext *s)
void	ff_mpvenc_dct_init_mips (MPVEncContext *s)
void	ff_dct_encode_init_x86 (MPVEncContext *s)
void	ff_convert_matrix (MPVEncContext *s, int(*qmat)[64], uint16_t(*qmat16)[2][64], const uint16_t *quant_matrix, int bias, int qmin, int qmax, int intra)
void	ff_block_permute (int16_t *block, const uint8_t *permutation, const uint8_t *scantable, int last)
	Permute an 8x8 block according to permutation. More...
static int	get_bits_diff (MPVEncContext *s)

Variables
const AVClass	ff_mpv_enc_class

Detailed Description

mpegvideo header.

Definition in file mpegvideoenc.h.

Macro Definition Documentation

MPVENC_MAX_B_FRAMES

#define MPVENC_MAX_B_FRAMES   16

Definition at line 43 of file mpegvideoenc.h.

MAX_FCODE

#define MAX_FCODE   7

Definition at line 258 of file mpegvideoenc.h.

UNI_AC_ENC_INDEX

#define UNI_AC_ENC_INDEX	(		run,
			level
	)		((run)*128 + (level))

Definition at line 259 of file mpegvideoenc.h.

INPLACE_OFFSET

#define INPLACE_OFFSET   16

Definition at line 260 of file mpegvideoenc.h.

CANDIDATE_MB_TYPE_INTRA

#define CANDIDATE_MB_TYPE_INTRA   (1 << 0)

Definition at line 263 of file mpegvideoenc.h.

CANDIDATE_MB_TYPE_INTER

#define CANDIDATE_MB_TYPE_INTER   (1 << 1)

Definition at line 264 of file mpegvideoenc.h.

CANDIDATE_MB_TYPE_INTER4V

#define CANDIDATE_MB_TYPE_INTER4V   (1 << 2)

Definition at line 265 of file mpegvideoenc.h.

CANDIDATE_MB_TYPE_SKIPPED

#define CANDIDATE_MB_TYPE_SKIPPED   (1 << 3)

Definition at line 266 of file mpegvideoenc.h.

CANDIDATE_MB_TYPE_DIRECT

#define CANDIDATE_MB_TYPE_DIRECT   (1 << 4)

Definition at line 268 of file mpegvideoenc.h.

CANDIDATE_MB_TYPE_FORWARD

#define CANDIDATE_MB_TYPE_FORWARD   (1 << 5)

Definition at line 269 of file mpegvideoenc.h.

CANDIDATE_MB_TYPE_BACKWARD

#define CANDIDATE_MB_TYPE_BACKWARD   (1 << 6)

Definition at line 270 of file mpegvideoenc.h.

CANDIDATE_MB_TYPE_BIDIR

#define CANDIDATE_MB_TYPE_BIDIR   (1 << 7)

Definition at line 271 of file mpegvideoenc.h.

CANDIDATE_MB_TYPE_INTER_I

#define CANDIDATE_MB_TYPE_INTER_I   (1 << 8)

Definition at line 273 of file mpegvideoenc.h.

CANDIDATE_MB_TYPE_FORWARD_I

#define CANDIDATE_MB_TYPE_FORWARD_I   (1 << 9)

Definition at line 274 of file mpegvideoenc.h.

CANDIDATE_MB_TYPE_BACKWARD_I

#define CANDIDATE_MB_TYPE_BACKWARD_I   (1 << 10)

Definition at line 275 of file mpegvideoenc.h.

CANDIDATE_MB_TYPE_BIDIR_I

#define CANDIDATE_MB_TYPE_BIDIR_I   (1 << 11)

Definition at line 276 of file mpegvideoenc.h.

CANDIDATE_MB_TYPE_DIRECT0

#define CANDIDATE_MB_TYPE_DIRECT0   (1 << 12)

Definition at line 278 of file mpegvideoenc.h.

FF_MPV_FLAG_SKIP_RD

#define FF_MPV_FLAG_SKIP_RD   0x0001

Definition at line 281 of file mpegvideoenc.h.

FF_MPV_FLAG_STRICT_GOP

#define FF_MPV_FLAG_STRICT_GOP   0x0002

Definition at line 282 of file mpegvideoenc.h.

FF_MPV_FLAG_QP_RD

#define FF_MPV_FLAG_QP_RD   0x0004

Definition at line 283 of file mpegvideoenc.h.

FF_MPV_FLAG_CBP_RD

#define FF_MPV_FLAG_CBP_RD   0x0008

Definition at line 284 of file mpegvideoenc.h.

FF_MPV_FLAG_NAQ

#define FF_MPV_FLAG_NAQ   0x0010

Definition at line 285 of file mpegvideoenc.h.

FF_MPV_FLAG_MV0

#define FF_MPV_FLAG_MV0   0x0020

Definition at line 286 of file mpegvideoenc.h.

FF_MPV_OPT_CMP_FUNC

#define FF_MPV_OPT_CMP_FUNC

Value:

{ "sad",    "Sum of absolute differences, fast", 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_SAD }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, .unit = "cmp_func" }, \
{ "sse",    "Sum of squared errors", 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_SSE }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, .unit = "cmp_func" }, \
{ "satd",   "Sum of absolute Hadamard transformed differences", 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_SATD }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, .unit = "cmp_func" }, \
{ "dct",    "Sum of absolute DCT transformed differences", 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_DCT }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, .unit = "cmp_func" }, \
{ "psnr",   "Sum of squared quantization errors, low quality", 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_PSNR }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, .unit = "cmp_func" }, \
{ "bit",    "Number of bits needed for the block", 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_BIT }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, .unit = "cmp_func" }, \
{ "rd",     "Rate distortion optimal, slow", 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_RD }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, .unit = "cmp_func" }, \
{ "zero",   "Zero", 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_ZERO }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, .unit = "cmp_func" }, \
{ "vsad",   "Sum of absolute vertical differences", 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_VSAD }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, .unit = "cmp_func" }, \
{ "vsse",   "Sum of squared vertical differences", 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_VSSE }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, .unit = "cmp_func" }, \
{ "nsse",   "Noise preserving sum of squared differences", 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_NSSE }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, .unit = "cmp_func" }, \
{ "dct264", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_DCT264 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, .unit = "cmp_func" }, \
{ "dctmax", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_DCTMAX }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, .unit = "cmp_func" }, \
{ "chroma", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_CHROMA }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, .unit = "cmp_func" }, \
{ "msad",   "Sum of absolute differences, median predicted", 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_MEDIAN_SAD }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, .unit = "cmp_func" }

Definition at line 288 of file mpegvideoenc.h.

FF_MPV_OFFSET

#define FF_MPV_OFFSET

(

x

)

offsetof(MPVEncContext, x)

Definition at line 305 of file mpegvideoenc.h.

FF_MPV_MAIN_OFFSET

#define FF_MPV_MAIN_OFFSET

(

x

)

offsetof(MPVMainEncContext, x)

Definition at line 306 of file mpegvideoenc.h.

FF_RC_OFFSET

#define FF_RC_OFFSET

(

x

)

offsetof(MPVMainEncContext, rc_context.x)

Definition at line 307 of file mpegvideoenc.h.

FF_MPV_OPT_FLAGS

#define FF_MPV_OPT_FLAGS   (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM)

Definition at line 308 of file mpegvideoenc.h.

FF_MPV_COMMON_OPTS

#define FF_MPV_COMMON_OPTS

Definition at line 309 of file mpegvideoenc.h.

FF_MPV_COMMON_BFRAME_OPTS

#define FF_MPV_COMMON_BFRAME_OPTS

Value:

{"b_strategy", "Strategy to choose between I/P/B-frames",      FF_MPV_MAIN_OFFSET(b_frame_strategy), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, 2, FF_MPV_OPT_FLAGS }, \
{"b_sensitivity", "Adjust sensitivity of b_frame_strategy 1",  FF_MPV_MAIN_OFFSET(b_sensitivity), AV_OPT_TYPE_INT, {.i64 = 40 }, 1, INT_MAX, FF_MPV_OPT_FLAGS }, \
{"brd_scale", "Downscale frames for dynamic B-frame decision", FF_MPV_MAIN_OFFSET(brd_scale), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, 3, FF_MPV_OPT_FLAGS },

Definition at line 345 of file mpegvideoenc.h.

FF_MPV_COMMON_MOTION_EST_OPTS

#define FF_MPV_COMMON_MOTION_EST_OPTS

Value:

{ "mv0",            "always try a mb with mv=<0,0>",                     0, AV_OPT_TYPE_CONST, { .i64 = FF_MPV_FLAG_MV0 },    0, 0, FF_MPV_OPT_FLAGS, .unit = "mpv_flags" },\
{"motion_est", "motion estimation algorithm",                       FF_MPV_OFFSET(me.motion_est), AV_OPT_TYPE_INT, {.i64 = FF_ME_EPZS }, FF_ME_ZERO, FF_ME_XONE, FF_MPV_OPT_FLAGS, .unit = "motion_est" },   \
{ "zero", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = FF_ME_ZERO }, 0, 0, FF_MPV_OPT_FLAGS, .unit = "motion_est" }, \
{ "epzs", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = FF_ME_EPZS }, 0, 0, FF_MPV_OPT_FLAGS, .unit = "motion_est" }, \
{ "xone", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = FF_ME_XONE }, 0, 0, FF_MPV_OPT_FLAGS, .unit = "motion_est" }, \
{"mepc", "Motion estimation bitrate penalty compensation (1.0 = 256)", FF_MPV_MAIN_OFFSET(me_penalty_compensation), AV_OPT_TYPE_INT, {.i64 = 256 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS }, \
{"mepre", "pre motion estimation", FF_MPV_MAIN_OFFSET(me_pre), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS }, \
{"intra_penalty", "Penalty for intra blocks in block decision", FF_MPV_OFFSET(intra_penalty), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, INT_MAX/2, FF_MPV_OPT_FLAGS }, \
{"sc_threshold", "Scene change threshold",                          FF_MPV_MAIN_OFFSET(scenechange_threshold), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS }, \

Definition at line 350 of file mpegvideoenc.h.

Function Documentation

slice_to_mainenc()

static const MPVMainEncContext* slice_to_mainenc ( const MPVEncContext *  s )

inlinestatic

Definition at line 247 of file mpegvideoenc.h.

Referenced by ff_msmpeg4_encode_ext_header(), and mpeg4_encode_mb().

ff_mpv_encode_init()

int ff_mpv_encode_init

(

AVCodecContext *

avctx

)

Definition at line 544 of file mpegvideo_enc.c.

Referenced by encode_init(), h261_encode_init(), mjpeg_encode_init(), speedhq_encode_init(), and wmv2_encode_init().

ff_mpv_encode_end()

int ff_mpv_encode_end

(

AVCodecContext *

avctx

)

Definition at line 1104 of file mpegvideo_enc.c.

Referenced by mjpeg_encode_close().

ff_mpv_encode_picture()

int ff_mpv_encode_picture	(	AVCodecContext *	avctx,
		AVPacket *	pkt,
		const AVFrame *	frame,
		int *	got_packet
	)

Definition at line 1926 of file mpegvideo_enc.c.

ff_mpv_reallocate_putbitbuffer()

int ff_mpv_reallocate_putbitbuffer	(	MPVEncContext *	s,
		size_t	threshold,
		size_t	size_increase
	)

Definition at line 2940 of file mpegvideo_enc.c.

Referenced by encode_thread(), and ff_mjpeg_encode_stuffing().

ff_write_quant_matrix()

void ff_write_quant_matrix	(	PutBitContext *	pb,
		uint16_t *	matrix
	)

Definition at line 228 of file mpegvideo_enc.c.

Referenced by mpeg4_encode_vol_header().

ff_dct_encode_init()

void ff_dct_encode_init

(

MPVEncContext *

s

)

Definition at line 301 of file mpegvideo_enc.c.

Referenced by dnxhd_encode_init(), and ff_mpv_encode_init().

ff_mpvenc_dct_init_mips()

void ff_mpvenc_dct_init_mips

(

MPVEncContext *

s

)

Definition at line 26 of file mpegvideoenc_init_mips.c.

Referenced by ff_dct_encode_init().

ff_dct_encode_init_x86()

void ff_dct_encode_init_x86

(

MPVEncContext *

s

)

Definition at line 122 of file mpegvideoenc.c.

Referenced by ff_dct_encode_init().

ff_convert_matrix()

void ff_convert_matrix	(	MPVEncContext *	s,
		int(*)	qmat[64],
		uint16_t(*)	qmat16[2][64],
		const uint16_t *	quant_matrix,
		int	bias,
		int	qmin,
		int	qmax,
		int	intra
	)

Definition at line 111 of file mpegvideo_enc.c.

Referenced by dnxhd_init_qmat(), encode_picture(), and init_matrices().

ff_block_permute()

void ff_block_permute	(	int16_t *	block,
		const uint8_t *	permutation,
		const uint8_t *	scantable,
		int	last
	)

Permute an 8x8 block according to permutation.

Parameters

block	the block which will be permuted according to the given permutation vector
permutation	the permutation vector
last	the last non zero coefficient in scantable order, used to speed the permutation up
scantable	the used scantable, this is only used to speed the permutation up, the block is not (inverse) permutated to scantable order!

Definition at line 4622 of file mpegvideo_enc.c.

Referenced by dct_quantize_c(), dnxhd_10bit_dct_quantize(), and dnxhd_10bit_dct_quantize_444().

get_bits_diff()

static int get_bits_diff ( MPVEncContext *  s )

inlinestatic

Definition at line 382 of file mpegvideoenc.h.

Referenced by mjpeg_encode_mb(), mpeg4_encode_mb(), msmpeg4_encode_mb(), speedhq_encode_mb(), wmv2_encode_mb(), and write_slice_end().

Variable Documentation

ff_mpv_enc_class

const AVClass ff_mpv_enc_class

Definition at line 104 of file mpegvideo_enc.c.