mpegvideo.h File Reference

#include <float.h>
#include "avcodec.h"
#include "blockdsp.h"
#include "error_resilience.h"
#include "fdctdsp.h"
#include "get_bits.h"
#include "h264chroma.h"
#include "h263dsp.h"
#include "hpeldsp.h"
#include "idctdsp.h"
#include "internal.h"
#include "me_cmp.h"
#include "motion_est.h"
#include "mpegpicture.h"
#include "mpegvideodsp.h"
#include "mpegvideoencdsp.h"
#include "mpegvideodata.h"
#include "pixblockdsp.h"
#include "put_bits.h"
#include "ratecontrol.h"
#include "parser.h"
#include "mpegutils.h"
#include "mpeg12data.h"
#include "qpeldsp.h"
#include "thread.h"
#include "videodsp.h"
#include "libavutil/opt.h"
#include "libavutil/timecode.h"

Go to the source code of this file.

Data Structures
struct	MpegEncContext
	MpegEncContext. More...

Macros
#define	MAX_THREADS   32
#define	MAX_B_FRAMES   16
#define	SEQ_END_CODE   0x000001b7
#define	SEQ_START_CODE   0x000001b3
#define	GOP_START_CODE   0x000001b8
#define	PICTURE_START_CODE   0x00000100
#define	SLICE_MIN_START_CODE   0x00000101
#define	SLICE_MAX_START_CODE   0x000001af
#define	EXT_START_CODE   0x000001b5
#define	USER_START_CODE   0x000001b2
#define	SLICE_START_CODE   0x000001b7
#define	MV_DIR_FORWARD   1
#define	MV_DIR_BACKWARD   2
#define	MV_DIRECT   4
	bidirectional mode where the difference equals the MV of the last P/S/I-Frame (MPEG-4) More...
#define	MV_TYPE_16X16   0
	1 vector for the whole mb More...
#define	MV_TYPE_8X8   1
	4 vectors (H.263, MPEG-4 4MV) More...
#define	MV_TYPE_16X8   2
	2 vectors, one per 16x8 block More...
#define	MV_TYPE_FIELD   3
	2 vectors, one per field More...
#define	MV_TYPE_DMV   4
	2 vectors, special mpeg2 Dual Prime Vectors More...
#define	UNI_AC_ENC_INDEX(run, level)   ((run)*128 + (level))
#define	VIDEO_FORMAT_COMPONENT   0
#define	VIDEO_FORMAT_PAL   1
#define	VIDEO_FORMAT_NTSC   2
#define	VIDEO_FORMAT_SECAM   3
#define	VIDEO_FORMAT_MAC   4
#define	VIDEO_FORMAT_UNSPECIFIED   5
#define	CHROMA_420   1
#define	CHROMA_422   2
#define	CHROMA_444   3
#define	SLICE_OK   0
#define	SLICE_ERROR   -1
#define	SLICE_END   -2
	end marker found More...
#define	SLICE_NOEND   -3
	no end marker or error found but mb count exceeded More...
#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_DEPRECATED_MPEG_QUANT_OPT   { "mpeg_quant", "Deprecated, does nothing", FF_MPV_OFFSET(mpeg_quant), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, 0, FF_MPV_OPT_FLAGS | AV_OPT_FLAG_DEPRECATED },
#define	FF_MPV_DEPRECATED_A53_CC_OPT   { "a53cc", "Deprecated, does nothing", FF_MPV_OFFSET(a53_cc), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, FF_MPV_OPT_FLAGS | AV_OPT_FLAG_DEPRECATED },
#define	FF_MPV_DEPRECATED_MATRIX_OPT   { "force_duplicated_matrix", "Deprecated, does nothing", FF_MPV_OFFSET(force_duplicated_matrix), AV_OPT_TYPE_BOOL, {.i64 = 0 }, 0, 1, FF_MPV_OPT_FLAGS | AV_OPT_FLAG_DEPRECATED },
#define	FF_MPV_DEPRECATED_BFRAME_OPTS

Functions
void	ff_mpv_common_defaults (MpegEncContext *s)
	Set the given MpegEncContext to common defaults (same for encoding and decoding). More...
void	ff_dct_encode_init_x86 (MpegEncContext *s)
int	ff_mpv_common_init (MpegEncContext *s)
	init common structure for both encoder and decoder. More...
void	ff_mpv_common_init_arm (MpegEncContext *s)
void	ff_mpv_common_init_axp (MpegEncContext *s)
void	ff_mpv_common_init_neon (MpegEncContext *s)
void	ff_mpv_common_init_ppc (MpegEncContext *s)
void	ff_mpv_common_init_x86 (MpegEncContext *s)
void	ff_mpv_common_init_mips (MpegEncContext *s)
int	ff_mpv_common_frame_size_change (MpegEncContext *s)
void	ff_mpv_common_end (MpegEncContext *s)
void	ff_mpv_decode_init (MpegEncContext *s, AVCodecContext *avctx)
	Initialize the given MpegEncContext for decoding. More...
void	ff_mpv_reconstruct_mb (MpegEncContext *s, int16_t block[12][64])
void	ff_mpv_report_decode_progress (MpegEncContext *s)
int	ff_mpv_frame_start (MpegEncContext *s, AVCodecContext *avctx)
	generic function called after decoding the header and before a frame is decoded. More...
void	ff_mpv_frame_end (MpegEncContext *s)
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_clean_intra_table_entries (MpegEncContext *s)
	Clean dc, ac, coded_block for the current non-intra MB. More...
void	ff_mpeg_draw_horiz_band (MpegEncContext *s, int y, int h)
void	ff_mpeg_flush (AVCodecContext *avctx)
void	ff_print_debug_info (MpegEncContext *s, Picture *p, AVFrame *pict)
int	ff_mpv_export_qp_table (MpegEncContext *s, AVFrame *f, Picture *p, int qp_type)
void	ff_write_quant_matrix (PutBitContext *pb, uint16_t *matrix)
int	ff_update_duplicate_context (MpegEncContext *dst, MpegEncContext *src)
int	ff_mpeg_update_thread_context (AVCodecContext *dst, const AVCodecContext *src)
void	ff_set_qscale (MpegEncContext *s, int qscale)
	set qscale and update qscale dependent variables. More...
void	ff_mpv_idct_init (MpegEncContext *s)
int	ff_dct_encode_init (MpegEncContext *s)
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)
int	ff_dct_quantize_c (MpegEncContext *s, int16_t *block, int n, int qscale, int *overflow)
void	ff_block_permute (int16_t *block, uint8_t *permutation, const uint8_t *scantable, int last)
	Permute an 8x8 block according to permutation. More...
void	ff_init_block_index (MpegEncContext *s)
void	ff_mpv_motion (MpegEncContext *s, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, int dir, uint8_t **ref_picture, op_pixels_func(*pix_op)[4], qpel_mc_func(*qpix_op)[16])
static void	ff_update_block_index (MpegEncContext *s)
static int	get_bits_diff (MpegEncContext *s)
static int	mpeg_get_qscale (MpegEncContext *s)

Variables
const AVOption	ff_mpv_generic_options []

Detailed Description

mpegvideo header.

Definition in file mpegvideo.h.

Macro Definition Documentation

MAX_THREADS

#define MAX_THREADS   32

Definition at line 62 of file mpegvideo.h.

MAX_B_FRAMES

#define MAX_B_FRAMES   16

Definition at line 64 of file mpegvideo.h.

SEQ_END_CODE

#define SEQ_END_CODE   0x000001b7

Definition at line 67 of file mpegvideo.h.

SEQ_START_CODE

#define SEQ_START_CODE   0x000001b3

Definition at line 68 of file mpegvideo.h.

GOP_START_CODE

#define GOP_START_CODE   0x000001b8

Definition at line 69 of file mpegvideo.h.

PICTURE_START_CODE

#define PICTURE_START_CODE   0x00000100

Definition at line 70 of file mpegvideo.h.

SLICE_MIN_START_CODE

#define SLICE_MIN_START_CODE   0x00000101

Definition at line 71 of file mpegvideo.h.

SLICE_MAX_START_CODE

#define SLICE_MAX_START_CODE   0x000001af

Definition at line 72 of file mpegvideo.h.

EXT_START_CODE

#define EXT_START_CODE   0x000001b5

Definition at line 73 of file mpegvideo.h.

USER_START_CODE

#define USER_START_CODE   0x000001b2

Definition at line 74 of file mpegvideo.h.

SLICE_START_CODE

#define SLICE_START_CODE   0x000001b7

Definition at line 75 of file mpegvideo.h.

MV_DIR_FORWARD

#define MV_DIR_FORWARD   1

Definition at line 262 of file mpegvideo.h.

MV_DIR_BACKWARD

#define MV_DIR_BACKWARD   2

Definition at line 263 of file mpegvideo.h.

MV_DIRECT

#define MV_DIRECT   4

bidirectional mode where the difference equals the MV of the last P/S/I-Frame (MPEG-4)

Definition at line 264 of file mpegvideo.h.

MV_TYPE_16X16

#define MV_TYPE_16X16   0

1 vector for the whole mb

Definition at line 266 of file mpegvideo.h.

MV_TYPE_8X8

#define MV_TYPE_8X8   1

4 vectors (H.263, MPEG-4 4MV)

Definition at line 267 of file mpegvideo.h.

MV_TYPE_16X8

#define MV_TYPE_16X8   2

2 vectors, one per 16x8 block

Definition at line 268 of file mpegvideo.h.

MV_TYPE_FIELD

#define MV_TYPE_FIELD   3

2 vectors, one per field

Definition at line 269 of file mpegvideo.h.

MV_TYPE_DMV

#define MV_TYPE_DMV   4

2 vectors, special mpeg2 Dual Prime Vectors

Definition at line 270 of file mpegvideo.h.

UNI_AC_ENC_INDEX

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

Definition at line 318 of file mpegvideo.h.

VIDEO_FORMAT_COMPONENT

#define VIDEO_FORMAT_COMPONENT   0

Definition at line 476 of file mpegvideo.h.

VIDEO_FORMAT_PAL

#define VIDEO_FORMAT_PAL   1

Definition at line 477 of file mpegvideo.h.

VIDEO_FORMAT_NTSC

#define VIDEO_FORMAT_NTSC   2

Definition at line 478 of file mpegvideo.h.

VIDEO_FORMAT_SECAM

#define VIDEO_FORMAT_SECAM   3

Definition at line 479 of file mpegvideo.h.

VIDEO_FORMAT_MAC

#define VIDEO_FORMAT_MAC   4

Definition at line 480 of file mpegvideo.h.

VIDEO_FORMAT_UNSPECIFIED

#define VIDEO_FORMAT_UNSPECIFIED   5

Definition at line 481 of file mpegvideo.h.

CHROMA_420

#define CHROMA_420   1

Definition at line 485 of file mpegvideo.h.

CHROMA_422

#define CHROMA_422   2

Definition at line 486 of file mpegvideo.h.

CHROMA_444

#define CHROMA_444   3

Definition at line 487 of file mpegvideo.h.

SLICE_OK

#define SLICE_OK   0

Definition at line 518 of file mpegvideo.h.

SLICE_ERROR

#define SLICE_ERROR   -1

Definition at line 519 of file mpegvideo.h.

SLICE_END

#define SLICE_END   -2

end marker found

Definition at line 520 of file mpegvideo.h.

SLICE_NOEND

#define SLICE_NOEND   -3

no end marker or error found but mb count exceeded

Definition at line 521 of file mpegvideo.h.

FF_MPV_FLAG_SKIP_RD

#define FF_MPV_FLAG_SKIP_RD   0x0001

Definition at line 590 of file mpegvideo.h.

FF_MPV_FLAG_STRICT_GOP

#define FF_MPV_FLAG_STRICT_GOP   0x0002

Definition at line 591 of file mpegvideo.h.

FF_MPV_FLAG_QP_RD

#define FF_MPV_FLAG_QP_RD   0x0004

Definition at line 592 of file mpegvideo.h.

FF_MPV_FLAG_CBP_RD

#define FF_MPV_FLAG_CBP_RD   0x0008

Definition at line 593 of file mpegvideo.h.

FF_MPV_FLAG_NAQ

#define FF_MPV_FLAG_NAQ   0x0010

Definition at line 594 of file mpegvideo.h.

FF_MPV_FLAG_MV0

#define FF_MPV_FLAG_MV0   0x0020

Definition at line 595 of file mpegvideo.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 597 of file mpegvideo.h.

FF_MPV_OFFSET

#define FF_MPV_OFFSET

(

x

)

offsetof(MpegEncContext, x)

Definition at line 615 of file mpegvideo.h.

FF_MPV_OPT_FLAGS

#define FF_MPV_OPT_FLAGS   (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM)

Definition at line 617 of file mpegvideo.h.

FF_MPV_COMMON_OPTS

#define FF_MPV_COMMON_OPTS

Definition at line 618 of file mpegvideo.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 665 of file mpegvideo.h.

FF_MPV_DEPRECATED_MPEG_QUANT_OPT

#define FF_MPV_DEPRECATED_MPEG_QUANT_OPT   { "mpeg_quant", "Deprecated, does nothing", FF_MPV_OFFSET(mpeg_quant), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, 0, FF_MPV_OPT_FLAGS | AV_OPT_FLAG_DEPRECATED },

Definition at line 671 of file mpegvideo.h.

FF_MPV_DEPRECATED_A53_CC_OPT

#define FF_MPV_DEPRECATED_A53_CC_OPT   { "a53cc", "Deprecated, does nothing", FF_MPV_OFFSET(a53_cc), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, FF_MPV_OPT_FLAGS | AV_OPT_FLAG_DEPRECATED },

Definition at line 673 of file mpegvideo.h.

FF_MPV_DEPRECATED_MATRIX_OPT

#define FF_MPV_DEPRECATED_MATRIX_OPT   { "force_duplicated_matrix", "Deprecated, does nothing", FF_MPV_OFFSET(force_duplicated_matrix), AV_OPT_TYPE_BOOL, {.i64 = 0 }, 0, 1, FF_MPV_OPT_FLAGS | AV_OPT_FLAG_DEPRECATED },

Definition at line 675 of file mpegvideo.h.

FF_MPV_DEPRECATED_BFRAME_OPTS

#define FF_MPV_DEPRECATED_BFRAME_OPTS

Value:

   { "b_strategy",    "Deprecated, does nothing", FF_MPV_OFFSET(b_frame_strategy), AV_OPT_TYPE_INT, { .i64 =  0 }, 0, 2, FF_MPV_OPT_FLAGS | AV_OPT_FLAG_DEPRECATED }, \
   { "b_sensitivity", "Deprecated, does nothing", FF_MPV_OFFSET(b_sensitivity),    AV_OPT_TYPE_INT, { .i64 = 40 }, 1, INT_MAX, FF_MPV_OPT_FLAGS | AV_OPT_FLAG_DEPRECATED }, \
   { "brd_scale",     "Deprecated, does nothing", FF_MPV_OFFSET(brd_scale),        AV_OPT_TYPE_INT, { .i64 =  0 }, 0, 3, FF_MPV_OPT_FLAGS | AV_OPT_FLAG_DEPRECATED },

Definition at line 677 of file mpegvideo.h.

Function Documentation

ff_mpv_common_defaults()

void ff_mpv_common_defaults

(

MpegEncContext *

s

)

Set the given MpegEncContext to common defaults (same for encoding and decoding).

The changed fields will not depend upon the prior state of the MpegEncContext.

Definition at line 676 of file mpegvideo.c.

Referenced by ff_mpv_decode_init(), and mpv_encode_defaults().

ff_dct_encode_init_x86()

void ff_dct_encode_init_x86

(

MpegEncContext *

s

)

Definition at line 214 of file mpegvideoenc.c.

Referenced by ff_dct_encode_init().

ff_mpv_common_init()

int ff_mpv_common_init

(

MpegEncContext *

s

)

init common structure for both encoder and decoder.

this assumes that some variables like width/height are already set

Definition at line 913 of file mpegvideo.c.

Referenced by ff_h263_decode_frame(), ff_h263_decode_init(), ff_mpeg_update_thread_context(), ff_mpv_encode_init(), ff_rv34_decode_init(), h261_decode_frame(), mpeg_decode_postinit(), rv10_decode_init(), rv20_decode_picture_header(), svq1_encode_init(), and vcr2_init_sequence().

ff_mpv_common_init_arm()

void ff_mpv_common_init_arm

(

MpegEncContext *

s

)

Definition at line 44 of file mpegvideo_arm.c.

Referenced by dct_init().

ff_mpv_common_init_axp()

void ff_mpv_common_init_axp

(

MpegEncContext *

s

)

Definition at line 106 of file mpegvideo_alpha.c.

Referenced by dct_init().

ff_mpv_common_init_neon()

void ff_mpv_common_init_neon

(

MpegEncContext *

s

)

Definition at line 127 of file mpegvideo.c.

Referenced by dct_init().

ff_mpv_common_init_ppc()

void ff_mpv_common_init_ppc

(

MpegEncContext *

s

)

Definition at line 119 of file mpegvideo_altivec.c.

Referenced by dct_init().

ff_mpv_common_init_x86()

void ff_mpv_common_init_x86

(

MpegEncContext *

s

)

Definition at line 454 of file mpegvideo.c.

Referenced by dct_init().

ff_mpv_common_init_mips()

void ff_mpv_common_init_mips

(

MpegEncContext *

s

)

Definition at line 26 of file mpegvideo_init_mips.c.

Referenced by dct_init().

ff_mpv_common_frame_size_change()

int ff_mpv_common_frame_size_change

(

MpegEncContext *

s

)

Definition at line 1055 of file mpegvideo.c.

Referenced by ff_h263_decode_frame(), ff_mpeg_update_thread_context(), ff_rv34_decode_frame(), and ff_rv34_decode_update_thread_context().

ff_mpv_common_end()

void ff_mpv_common_end

(

MpegEncContext *

s

)

Definition at line 1111 of file mpegvideo.c.

Referenced by ff_h263_decode_end(), ff_mpv_common_init(), ff_mpv_encode_end(), ff_rv34_decode_end(), ff_rv34_decode_init(), ff_vc1_decode_end(), h261_decode_end(), h261_decode_frame(), ipu_decode_end(), mpeg_decode_end(), mpeg_decode_postinit(), rv10_decode_end(), rv20_decode_picture_header(), svq1_encode_end(), vc1_decode_frame(), and vcr2_init_sequence().

ff_mpv_decode_init()

void ff_mpv_decode_init	(	MpegEncContext *	s,
		AVCodecContext *	avctx
	)

Initialize the given MpegEncContext for decoding.

the changed fields will not depend upon the prior state of the MpegEncContext.

Definition at line 699 of file mpegvideo.c.

Referenced by ff_h263_decode_init(), ff_rv34_decode_init(), h261_decode_init(), ipu_decode_init(), mpeg_decode_init(), and rv10_decode_init().

ff_mpv_reconstruct_mb()

void ff_mpv_reconstruct_mb	(	MpegEncContext *	s,
		int16_t	block[12][64]
	)

Definition at line 2248 of file mpegvideo.c.

Referenced by decode_slice(), encode_mb_hq(), encode_thread(), h261_decode_mb(), h261_decode_mb_skipped(), mpeg_decode_slice(), mpeg_er_decode_mb(), and rv10_decode_packet().

ff_mpv_report_decode_progress()

void ff_mpv_report_decode_progress

(

MpegEncContext *

s

)

Definition at line 2345 of file mpegvideo.c.

Referenced by decode_slice(), and mpeg_decode_slice().

ff_mpv_frame_start()

int ff_mpv_frame_start	(	MpegEncContext *	s,
		AVCodecContext *	avctx
	)

generic function called after decoding the header and before a frame is decoded.

Definition at line 1181 of file mpegvideo.c.

Referenced by decode_wmv9(), ff_h263_decode_frame(), ff_rv34_decode_frame(), h261_decode_frame(), mpeg_field_start(), rv10_decode_packet(), and vc1_decode_frame().

ff_mpv_frame_end()

void ff_mpv_frame_end

(

MpegEncContext *

s

)

Definition at line 1405 of file mpegvideo.c.

Referenced by decode_wmv9(), ff_h263_decode_frame(), ff_rv34_decode_frame(), finish_frame(), h261_decode_frame(), rv10_decode_frame(), rv10_decode_packet(), slice_end(), and vc1_decode_frame().

ff_mpv_encode_init()

int ff_mpv_encode_init

(

AVCodecContext *

avctx

)

Definition at line 303 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 953 of file mpegvideo_enc.c.

ff_mpv_encode_picture()

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

Definition at line 1701 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 2734 of file mpegvideo_enc.c.

Referenced by encode_thread(), and ff_mjpeg_encode_stuffing().

ff_clean_intra_table_entries()

void ff_clean_intra_table_entries

(

MpegEncContext *

s

)

Clean dc, ac, coded_block for the current non-intra MB.

Definition at line 1904 of file mpegvideo.c.

Referenced by encode_thread(), mpeg4_decode_partition_a(), and mpv_reconstruct_mb_internal().

ff_mpeg_draw_horiz_band()

void ff_mpeg_draw_horiz_band	(	MpegEncContext *	s,
		int	y,
		int	h
	)

Definition at line 2260 of file mpegvideo.c.

Referenced by decode_slice(), dxva2_mpeg2_end_frame(), dxva2_vc1_end_frame(), ff_xvmc_decode_mb(), ff_xvmc_field_end(), mpeg_decode_slice(), vaapi_mpeg2_end_frame(), vaapi_mpeg4_end_frame(), vaapi_vc1_end_frame(), vc1_decode_b_blocks(), vc1_decode_i_blocks(), vc1_decode_i_blocks_adv(), vc1_decode_p_blocks(), and vc1_decode_skip_blocks().

ff_mpeg_flush()

void ff_mpeg_flush

(

AVCodecContext *

avctx

)

Definition at line 2300 of file mpegvideo.c.

Referenced by decode_wmv9(), and flush().

ff_print_debug_info()

void ff_print_debug_info	(	MpegEncContext *	s,
		Picture *	p,
		AVFrame *	pict
	)

Definition at line 1413 of file mpegvideo.c.

Referenced by ff_h263_decode_frame(), finish_frame(), h261_decode_frame(), rv10_decode_frame(), slice_end(), and vc1_decode_frame().

ff_mpv_export_qp_table()

int ff_mpv_export_qp_table	(	MpegEncContext *	s,
		AVFrame *	f,
		Picture *	p,
		int	qp_type
	)

Definition at line 1420 of file mpegvideo.c.

Referenced by ff_h263_decode_frame(), finish_frame(), rv10_decode_frame(), and slice_end().

ff_write_quant_matrix()

void ff_write_quant_matrix	(	PutBitContext *	pb,
		uint16_t *	matrix
	)

Definition at line 211 of file mpegvideo_enc.c.

Referenced by mpeg4_encode_vol_header().

ff_update_duplicate_context()

int ff_update_duplicate_context	(	MpegEncContext *	dst,
		MpegEncContext *	src
	)

Definition at line 499 of file mpegvideo.c.

Referenced by decode_chunks(), and encode_picture().

ff_mpeg_update_thread_context()

int ff_mpeg_update_thread_context	(	AVCodecContext *	dst,
		const AVCodecContext *	src
	)

Definition at line 524 of file mpegvideo.c.

Referenced by ff_rv34_decode_update_thread_context().

ff_set_qscale()

void ff_set_qscale	(	MpegEncContext *	s,
		int	qscale
	)

set qscale and update qscale dependent variables.

Definition at line 2331 of file mpegvideo.c.

Referenced by decode_slice(), encode_mb_internal(), encode_thread(), ff_h261_encode_mb(), h261_decode_gob(), h261_decode_mb(), h263_decode_dquant(), mpeg4_decode_mb(), mpeg4_decode_partition_a(), mpeg4_decode_partition_b(), mpeg4_decode_partitioned_mb(), and rv10_decode_packet().

ff_mpv_idct_init()

void ff_mpv_idct_init

(

MpegEncContext *

s

)

Definition at line 331 of file mpegvideo.c.

Referenced by dnxhd_encode_init(), ff_h263_decode_frame(), ff_h263_decode_init(), ff_mpeg4_workaround_bugs(), ff_mpeg_update_thread_context(), ff_mpv_encode_init(), ff_rv34_decode_init(), h261_decode_init(), ipu_decode_init(), mpeg_decode_init(), mpeg_decode_postinit(), rv10_decode_init(), and vcr2_init_sequence().

ff_dct_encode_init()

int ff_dct_encode_init

(

MpegEncContext *

s

)

Definition at line 284 of file mpegvideo_enc.c.

Referenced by dnxhd_encode_init(), and ff_mpv_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 99 of file mpegvideo_enc.c.

Referenced by dnxhd_init_qmat(), encode_picture(), and ff_mpv_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 4496 of file mpegvideo_enc.c.

Referenced by dnxhd_encode_init(), encode_mb_internal(), and ff_dct_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

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 4471 of file mpegvideo_enc.c.

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

ff_init_block_index()

void ff_init_block_index

(

MpegEncContext *

s

)

Definition at line 2267 of file mpegvideo.c.

Referenced by decode_slice(), encode_thread(), estimate_motion_thread(), ff_h261_reorder_mb_index(), h261_decode_mb(), h261_decode_mb_skipped(), init_block_index(), mpeg4_decode_partition_a(), mpeg4_decode_partition_b(), mpeg_decode_slice(), mpeg_er_decode_mb(), rv10_decode_packet(), and rv34_decode_slice().

ff_mpv_motion()

void ff_mpv_motion	(	MpegEncContext *	s,
		uint8_t *	dest_y,
		uint8_t *	dest_cb,
		uint8_t *	dest_cr,
		int	dir,
		uint8_t **	ref_picture,
		op_pixels_func(*)	pix_op[4],
		qpel_mc_func(*)	qpix_op[16]
	)

Definition at line 974 of file mpegvideo_motion.c.

Referenced by encode_mb_internal(), and mpv_reconstruct_mb_internal().

ff_update_block_index()

static void ff_update_block_index ( MpegEncContext *  s )

inlinestatic

Definition at line 750 of file mpegvideo.h.

Referenced by decode_slice(), encode_thread(), ff_h261_reorder_mb_index(), h261_decode_mb(), h261_decode_mb_skipped(), mpeg4_decode_partition_a(), mpeg4_decode_partition_b(), mpeg_er_decode_mb(), rv10_decode_packet(), rv34_decode_slice(), vc1_decode_b_blocks(), vc1_decode_i_blocks(), vc1_decode_i_blocks_adv(), vc1_decode_p_blocks(), and vc1_decode_skip_blocks().

get_bits_diff()

static int get_bits_diff ( MpegEncContext *  s )

inlinestatic

Definition at line 765 of file mpegvideo.h.

Referenced by ff_h263_encode_mb(), ff_mjpeg_encode_mb(), ff_mpeg4_encode_mb(), ff_msmpeg4_encode_mb(), ff_speedhq_encode_mb(), ff_wmv2_encode_mb(), and write_slice_end().

mpeg_get_qscale()

static int mpeg_get_qscale ( MpegEncContext *  s )

inlinestatic

Definition at line 774 of file mpegvideo.h.

Referenced by ff_mpeg4_decode_studio_slice_header(), ipu_decode_frame(), mpeg4_decode_studio_mb(), mpeg_decode_mb(), and mpeg_decode_slice().

Variable Documentation

ff_mpv_generic_options

const AVOption ff_mpv_generic_options[]

Definition at line 88 of file mpegvideo_enc.c.