FFmpeg
Macros | Functions | Variables
mpegvideoenc.h File Reference
#include <float.h>
#include "libavutil/opt.h"
#include "mpegvideo.h"

Go to the source code of this file.

Macros

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

int ff_mpv_encode_init (AVCodecContext *avctx)
 
void ff_mpv_encode_init_x86 (MpegEncContext *s)
 
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 (MpegEncContext *s, size_t threshold, size_t size_increase)
 
void ff_write_quant_matrix (PutBitContext *pb, uint16_t *matrix)
 
int ff_dct_encode_init (MpegEncContext *s)
 
void ff_dct_encode_init_x86 (MpegEncContext *s)
 
int ff_dct_quantize_c (MpegEncContext *s, int16_t *block, int n, int qscale, int *overflow)
 
void ff_convert_matrix (MpegEncContext *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, uint8_t *permutation, const uint8_t *scantable, int last)
 Permute an 8x8 block according to permutation. More...
 
static int get_bits_diff (MpegEncContext *s)
 

Variables

const AVClass ff_mpv_enc_class
 

Detailed Description

mpegvideo header.

Definition in file mpegvideoenc.h.

Macro Definition Documentation

◆ UNI_AC_ENC_INDEX

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

Definition at line 36 of file mpegvideoenc.h.

◆ FF_MPV_FLAG_SKIP_RD

#define FF_MPV_FLAG_SKIP_RD   0x0001

Definition at line 39 of file mpegvideoenc.h.

◆ FF_MPV_FLAG_STRICT_GOP

#define FF_MPV_FLAG_STRICT_GOP   0x0002

Definition at line 40 of file mpegvideoenc.h.

◆ FF_MPV_FLAG_QP_RD

#define FF_MPV_FLAG_QP_RD   0x0004

Definition at line 41 of file mpegvideoenc.h.

◆ FF_MPV_FLAG_CBP_RD

#define FF_MPV_FLAG_CBP_RD   0x0008

Definition at line 42 of file mpegvideoenc.h.

◆ FF_MPV_FLAG_NAQ

#define FF_MPV_FLAG_NAQ   0x0010

Definition at line 43 of file mpegvideoenc.h.

◆ FF_MPV_FLAG_MV0

#define FF_MPV_FLAG_MV0   0x0020

Definition at line 44 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, "cmp_func" }, \
{ "sse", "Sum of squared errors", 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_SSE }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, "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, "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, "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, "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, "cmp_func" }, \
{ "rd", "Rate distortion optimal, slow", 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_RD }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, "cmp_func" }, \
{ "zero", "Zero", 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_ZERO }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, "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, "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, "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, "cmp_func" }, \
{ "dct264", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_DCT264 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, "cmp_func" }, \
{ "dctmax", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_DCTMAX }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, "cmp_func" }, \
{ "chroma", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_CHROMA }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, "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, "cmp_func" }

Definition at line 46 of file mpegvideoenc.h.

◆ FF_MPV_OFFSET

#define FF_MPV_OFFSET (   x)    offsetof(MpegEncContext, x)

Definition at line 63 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 64 of file mpegvideoenc.h.

◆ FF_MPV_COMMON_OPTS

#define FF_MPV_COMMON_OPTS

Definition at line 65 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_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_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_OFFSET(brd_scale), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, 3, FF_MPV_OPT_FLAGS },

Definition at line 103 of file mpegvideoenc.h.

◆ FF_MPV_COMMON_MOTION_EST_OPTS

#define FF_MPV_COMMON_MOTION_EST_OPTS
Value:
{"motion_est", "motion estimation algorithm", FF_MPV_OFFSET(motion_est), AV_OPT_TYPE_INT, {.i64 = FF_ME_EPZS }, FF_ME_ZERO, FF_ME_XONE, FF_MPV_OPT_FLAGS, "motion_est" }, \
{ "zero", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = FF_ME_ZERO }, 0, 0, FF_MPV_OPT_FLAGS, "motion_est" }, \
{ "epzs", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = FF_ME_EPZS }, 0, 0, FF_MPV_OPT_FLAGS, "motion_est" }, \
{ "xone", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = FF_ME_XONE }, 0, 0, FF_MPV_OPT_FLAGS, "motion_est" }, \
{"mepc", "Motion estimation bitrate penalty compensation (1.0 = 256)", FF_MPV_OFFSET(me_penalty_compensation), AV_OPT_TYPE_INT, {.i64 = 256 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS }, \
{"mepre", "pre motion estimation", FF_MPV_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 }, \

Definition at line 108 of file mpegvideoenc.h.

Function Documentation

◆ ff_mpv_encode_init()

int ff_mpv_encode_init ( AVCodecContext avctx)

Definition at line 311 of file mpegvideo_enc.c.

Referenced by encode_init(), and wmv2_encode_init().

◆ ff_mpv_encode_init_x86()

void ff_mpv_encode_init_x86 ( MpegEncContext s)

◆ ff_mpv_encode_end()

int ff_mpv_encode_end ( AVCodecContext avctx)

Definition at line 979 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 1734 of file mpegvideo_enc.c.

◆ ff_mpv_reallocate_putbitbuffer()

int ff_mpv_reallocate_putbitbuffer ( MpegEncContext s,
size_t  threshold,
size_t  size_increase 
)

Definition at line 2792 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 220 of file mpegvideo_enc.c.

Referenced by mpeg4_encode_vol_header().

◆ ff_dct_encode_init()

int ff_dct_encode_init ( MpegEncContext s)

Definition at line 291 of file mpegvideo_enc.c.

Referenced by dnxhd_encode_init(), and ff_mpv_encode_init().

◆ ff_dct_encode_init_x86()

void ff_dct_encode_init_x86 ( MpegEncContext s)

Definition at line 131 of file mpegvideoenc.c.

Referenced by ff_dct_encode_init().

◆ ff_dct_quantize_c()

int ff_dct_quantize_c ( MpegEncContext s,
int16_t *  block,
int  n,
int  qscale,
int overflow 
)

Definition at line 4540 of file mpegvideo_enc.c.

Referenced by dnxhd_encode_init(), encode_mb_internal(), and ff_dct_encode_init().

◆ ff_convert_matrix()

void ff_convert_matrix ( MpegEncContext 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 108 of file mpegvideo_enc.c.

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

◆ ff_block_permute()

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

Permute an 8x8 block according to permutation.

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

Definition at line 4515 of file mpegvideo_enc.c.

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

◆ get_bits_diff()

static int get_bits_diff ( MpegEncContext s)
inlinestatic

Variable Documentation

◆ ff_mpv_enc_class

const AVClass ff_mpv_enc_class

Definition at line 101 of file mpegvideo_enc.c.

FF_ME_EPZS
#define FF_ME_EPZS
Definition: motion_est.h:41
FF_CMP_VSSE
#define FF_CMP_VSSE
Definition: avcodec.h:803
FF_CMP_CHROMA
#define FF_CMP_CHROMA
Definition: avcodec.h:810
FF_CMP_SSE
#define FF_CMP_SSE
Definition: avcodec.h:795
FF_CMP_BIT
#define FF_CMP_BIT
Definition: avcodec.h:799
FF_MPV_OFFSET
#define FF_MPV_OFFSET(x)
Definition: mpegvideoenc.h:63
NULL
#define NULL
Definition: coverity.c:32
FF_CMP_MEDIAN_SAD
#define FF_CMP_MEDIAN_SAD
Definition: avcodec.h:809
FF_ME_XONE
#define FF_ME_XONE
Definition: motion_est.h:42
FF_CMP_PSNR
#define FF_CMP_PSNR
Definition: avcodec.h:798
FF_CMP_SATD
#define FF_CMP_SATD
Definition: avcodec.h:796
FF_CMP_ZERO
#define FF_CMP_ZERO
Definition: avcodec.h:801
FF_CMP_SAD
#define FF_CMP_SAD
Definition: avcodec.h:794
FF_CMP_RD
#define FF_CMP_RD
Definition: avcodec.h:800
FF_CMP_NSSE
#define FF_CMP_NSSE
Definition: avcodec.h:804
FF_MPV_OPT_FLAGS
#define FF_MPV_OPT_FLAGS
Definition: mpegvideoenc.h:64
AV_OPT_TYPE_INT
@ AV_OPT_TYPE_INT
Definition: opt.h:225
FF_CMP_DCT
#define FF_CMP_DCT
Definition: avcodec.h:797
FF_CMP_DCTMAX
#define FF_CMP_DCTMAX
Definition: avcodec.h:807
FF_CMP_DCT264
#define FF_CMP_DCT264
Definition: avcodec.h:808
FF_CMP_VSAD
#define FF_CMP_VSAD
Definition: avcodec.h:802
AV_OPT_TYPE_CONST
@ AV_OPT_TYPE_CONST
Definition: opt.h:234
FF_ME_ZERO
#define FF_ME_ZERO
Definition: motion_est.h:40