mpegvideo header. More...

#include "avcodec.h"
#include "dsputil.h"
#include "error_resilience.h"
#include "get_bits.h"
#include "h264chroma.h"
#include "hpeldsp.h"
#include "put_bits.h"
#include "ratecontrol.h"
#include "parser.h"
#include "mpeg12data.h"
#include "rl.h"
#include "thread.h"
#include "videodsp.h"
#include "libavutil/opt.h"
#include "libavutil/timecode.h"

Include dependency graph for mpegvideo.h:

Go to the source code of this file.

Data Structures
struct	Picture
	Picture. More...

struct	MotionEstContext
	Motion estimation context. More...

struct	MpegEncContext
	MpegEncContext. More...

Macros
#define	FRAME_SKIPPED 100
	return value for header parsers if frame is not coded More...

#define	MPEG_BUF_SIZE (16 * 1024)

#define	QMAT_SHIFT_MMX 16

#define	QMAT_SHIFT 21

#define	MAX_FCODE 7

#define	MAX_MV 4096

#define	MAX_THREADS 32

#define	MAX_PICTURE_COUNT 36

#define	ME_MAP_SIZE 64

#define	ME_MAP_SHIFT 3

#define	ME_MAP_MV_BITS 11

#define	MAX_MB_BYTES (301616*3/8 + 120)

#define	INPLACE_OFFSET 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	DELAYED_PIC_REF 4
	Value of Picture.reference when Picture is not a reference picture, but is held for delayed output. More...

#define	MB_TYPE_INTRA MB_TYPE_INTRA4x4

#define	IS_INTRA4x4(a) ((a)&MB_TYPE_INTRA4x4)

#define	IS_INTRA16x16(a) ((a)&MB_TYPE_INTRA16x16)

#define	IS_PCM(a) ((a)&MB_TYPE_INTRA_PCM)

#define	IS_INTRA(a) ((a)&7)

#define	IS_INTER(a) ((a)&(MB_TYPE_16x16\|MB_TYPE_16x8\|MB_TYPE_8x16\|MB_TYPE_8x8))

#define	IS_SKIP(a) ((a)&MB_TYPE_SKIP)

#define	IS_INTRA_PCM(a) ((a)&MB_TYPE_INTRA_PCM)

#define	IS_INTERLACED(a) ((a)&MB_TYPE_INTERLACED)

#define	IS_DIRECT(a) ((a)&MB_TYPE_DIRECT2)

#define	IS_GMC(a) ((a)&MB_TYPE_GMC)

#define	IS_16X16(a) ((a)&MB_TYPE_16x16)

#define	IS_16X8(a) ((a)&MB_TYPE_16x8)

#define	IS_8X16(a) ((a)&MB_TYPE_8x16)

#define	IS_8X8(a) ((a)&MB_TYPE_8x8)

#define	IS_SUB_8X8(a) ((a)&MB_TYPE_16x16)

#define	IS_SUB_8X4(a) ((a)&MB_TYPE_16x8)

#define	IS_SUB_4X8(a) ((a)&MB_TYPE_8x16)

#define	IS_SUB_4X4(a) ((a)&MB_TYPE_8x8)

#define	IS_ACPRED(a) ((a)&MB_TYPE_ACPRED)

#define	IS_QUANT(a) ((a)&MB_TYPE_QUANT)

#define	IS_DIR(a, part, list) ((a) & (MB_TYPE_P0L0<<((part)+2*(list))))

#define	USES_LIST(a, list) ((a) & ((MB_TYPE_P0L0\|MB_TYPE_P1L0)<<(2*(list))))
	does this mb use listX, note does not work if subMBs More...

#define	HAS_CBP(a) ((a)&MB_TYPE_CBP)

#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 (mpeg4) More...

#define	MV_TYPE_16X16 0
	1 vector for the whole mb More...

#define	MV_TYPE_8X8 1
	4 vectors (h263, mpeg4 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	CANDIDATE_MB_TYPE_INTRA 0x01

#define	CANDIDATE_MB_TYPE_INTER 0x02

#define	CANDIDATE_MB_TYPE_INTER4V 0x04

#define	CANDIDATE_MB_TYPE_SKIPPED 0x08

#define	CANDIDATE_MB_TYPE_DIRECT 0x10

#define	CANDIDATE_MB_TYPE_FORWARD 0x20

#define	CANDIDATE_MB_TYPE_BACKWARD 0x40

#define	CANDIDATE_MB_TYPE_BIDIR 0x80

#define	CANDIDATE_MB_TYPE_INTER_I 0x100

#define	CANDIDATE_MB_TYPE_FORWARD_I 0x200

#define	CANDIDATE_MB_TYPE_BACKWARD_I 0x400

#define	CANDIDATE_MB_TYPE_BIDIR_I 0x800

#define	CANDIDATE_MB_TYPE_DIRECT0 0x1000

#define	QUANT_BIAS_SHIFT 8

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

#define	PICT_TOP_FIELD 1

#define	PICT_BOTTOM_FIELD 2

#define	PICT_FRAME 3

#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	REBASE_PICTURE(pic, new_ctx, old_ctx)

#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_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_GENERIC_CLASS(name)

Typedefs
typedef struct Picture	Picture
	Picture. More...

typedef struct MotionEstContext	MotionEstContext
	Motion estimation context. More...

typedef struct MpegEncContext	MpegEncContext
	MpegEncContext. More...

Enumerations
enum	OutputFormat { FMT_MPEG1, FMT_H261, FMT_H263, FMT_MJPEG }

Functions
void	ff_MPV_common_defaults (MpegEncContext *s)
	Set the given MpegEncContext to common defaults (same for encoding and decoding). More...

void	ff_MPV_decode_defaults (MpegEncContext *s)
	Set the given MpegEncContext to defaults for decoding. More...

int	ff_MPV_common_init (MpegEncContext *s)
	init common structure for both encoder and decoder. More...

int	ff_mpv_frame_size_alloc (MpegEncContext *s, int linesize)

int	ff_MPV_common_frame_size_change (MpegEncContext *s)

void	ff_MPV_common_end (MpegEncContext *s)

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

int	ff_MPV_frame_start (MpegEncContext s, AVCodecContext avctx)
	generic function for encode/decode called after coding/decoding the header and before a frame is coded/decoded. More...

void	ff_MPV_frame_end (MpegEncContext *s)

int	ff_MPV_encode_init (AVCodecContext *avctx)

int	ff_MPV_encode_end (AVCodecContext *avctx)

int	ff_MPV_encode_picture (AVCodecContext avctx, AVPacket pkt, AVFrame frame, int got_packet)

void	ff_dct_encode_init_x86 (MpegEncContext *s)

void	ff_MPV_common_init_x86 (MpegEncContext *s)

void	ff_MPV_common_init_axp (MpegEncContext *s)

void	ff_MPV_common_init_arm (MpegEncContext *s)

void	ff_MPV_common_init_altivec (MpegEncContext *s)

void	ff_MPV_common_init_bfin (MpegEncContext *s)

void	ff_clean_intra_table_entries (MpegEncContext *s)
	Clean dc, ac, coded_block for the current non-intra MB. More...

void	ff_draw_horiz_band (AVCodecContext avctx, DSPContext dsp, Picture cur, Picture last, int y, int h, int picture_structure, int first_field, int draw_edges, int low_delay, int v_edge_pos, int h_edge_pos)

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)

void	ff_print_debug_info2 (AVCodecContext avctx, Picture p, AVFrame pict, uint8_t mbskip_table, int *low_delay, int mb_width, int mb_height, int mb_stride, int quarter_sample)
	Print debugging info for the given picture. More...

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)

void	ff_release_unused_pictures (MpegEncContext *s, int remove_current)

int	ff_find_unused_picture (MpegEncContext *s, int shared)

void	ff_denoise_dct (MpegEncContext s, int16_t block)

int	ff_update_duplicate_context (MpegEncContext dst, MpegEncContext src)

int	ff_MPV_lowest_referenced_row (MpegEncContext *s, int dir)
	find the lowest MB row referenced in the MVs More...

void	ff_MPV_report_decode_progress (MpegEncContext *s)

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_mpeg_er_frame_start (MpegEncContext *s)

int	ff_dct_common_init (MpegEncContext *s)

int	ff_dct_encode_init (MpegEncContext *s)

void	ff_convert_matrix (DSPContext dsp, 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_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])

int	ff_alloc_picture (MpegEncContext s, Picture pic, int shared)
	Allocate a Picture. More...

void	ff_block_permute (int16_t block, uint8_t permutation, const uint8_t *scantable, int last)
	permute block according to permuatation. More...

static void	ff_update_block_index (MpegEncContext *s)

static int	get_bits_diff (MpegEncContext *s)

static int	ff_h263_round_chroma (int x)

void	ff_estimate_p_frame_motion (MpegEncContext *s, int mb_x, int mb_y)

void	ff_estimate_b_frame_motion (MpegEncContext *s, int mb_x, int mb_y)

int	ff_get_best_fcode (MpegEncContext s, int16_t(mv_table)[2], int type)

void	ff_fix_long_p_mvs (MpegEncContext *s)

void	ff_fix_long_mvs (MpegEncContext s, uint8_t field_select_table, int field_select, int16_t(*mv_table)[2], int f_code, int type, int truncate)

int	ff_init_me (MpegEncContext *s)

int	ff_pre_estimate_p_frame_motion (MpegEncContext *s, int mb_x, int mb_y)

int	ff_epzs_motion_search (MpegEncContext s, int mx_ptr, int my_ptr, int P[10][2], int src_index, int ref_index, int16_t(last_mv)[2], int ref_mv_scale, int size, int h)

int	ff_get_mb_score (MpegEncContext *s, int mx, int my, int src_index, int ref_index, int size, int h, int add_rate)

void	ff_mpeg1_encode_picture_header (MpegEncContext *s, int picture_number)

void	ff_mpeg1_encode_mb (MpegEncContext *s, int16_t block[6][64], int motion_x, int motion_y)

void	ff_mpeg1_encode_init (MpegEncContext *s)

void	ff_mpeg1_encode_slice_header (MpegEncContext *s)

void	ff_rv10_encode_picture_header (MpegEncContext *s, int picture_number)

int	ff_rv_decode_dc (MpegEncContext *s, int n)

void	ff_rv20_encode_picture_header (MpegEncContext *s, int picture_number)

void	ff_msmpeg4_encode_picture_header (MpegEncContext *s, int picture_number)

void	ff_msmpeg4_encode_ext_header (MpegEncContext *s)

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

int	ff_msmpeg4_decode_picture_header (MpegEncContext *s)

int	ff_msmpeg4_decode_ext_header (MpegEncContext *s, int buf_size)

int	ff_msmpeg4_decode_init (AVCodecContext *avctx)

void	ff_msmpeg4_encode_init (MpegEncContext *s)

int	ff_wmv2_decode_picture_header (MpegEncContext *s)

int	ff_wmv2_decode_secondary_picture_header (MpegEncContext *s)

void	ff_wmv2_add_mb (MpegEncContext s, int16_t block[6][64], uint8_t dest_y, uint8_t dest_cb, uint8_t dest_cr)

void	ff_mspel_motion (MpegEncContext s, uint8_t dest_y, uint8_t dest_cb, uint8_t dest_cr, uint8_t *ref_picture, op_pixels_func(pix_op)[4], int motion_x, int motion_y, int h)

int	ff_wmv2_encode_picture_header (MpegEncContext *s, int picture_number)

void	ff_wmv2_encode_mb (MpegEncContext *s, int16_t block[6][64], int motion_x, int motion_y)

int	ff_mpeg_ref_picture (MpegEncContext s, Picture dst, Picture *src)

void	ff_mpeg_unref_picture (MpegEncContext s, Picture picture)
	Deallocate a picture. More...

Variables
const AVOption	ff_mpv_generic_options []

enum AVPixelFormat	ff_pixfmt_list_420 []

const uint8_t	ff_mpeg1_dc_scale_table [128]

const uint8_t *const	ff_mpeg2_dc_scale_table [4]

const uint8_t	ff_aic_dc_scale_table [32]

const uint8_t	ff_h263_chroma_qscale_table [32]

const uint8_t	ff_h263_loop_filter_strength [32]

Detailed Description

mpegvideo header.

Macro Definition Documentation

#define CANDIDATE_MB_TYPE_BACKWARD 0x40

Referenced by encode_picture(), encode_thread(), and ff_estimate_b_frame_motion().

#define CANDIDATE_MB_TYPE_BACKWARD_I 0x400

Referenced by encode_picture(), encode_thread(), and ff_estimate_b_frame_motion().

#define CANDIDATE_MB_TYPE_BIDIR 0x80

Referenced by encode_picture(), encode_thread(), ff_clean_mpeg4_qscales(), and ff_estimate_b_frame_motion().

#define CANDIDATE_MB_TYPE_BIDIR_I 0x800

Referenced by encode_picture(), encode_thread(), and ff_estimate_b_frame_motion().

#define CANDIDATE_MB_TYPE_DIRECT 0x10

Referenced by encode_thread(), ff_clean_mpeg4_qscales(), and ff_estimate_b_frame_motion().

#define CANDIDATE_MB_TYPE_DIRECT0 0x1000

Referenced by encode_thread(), and ff_estimate_b_frame_motion().

#define CANDIDATE_MB_TYPE_FORWARD 0x20

Referenced by encode_picture(), encode_thread(), and ff_estimate_b_frame_motion().

#define CANDIDATE_MB_TYPE_FORWARD_I 0x200

Referenced by encode_picture(), encode_thread(), and ff_estimate_b_frame_motion().

#define CANDIDATE_MB_TYPE_INTER 0x02

Referenced by encode_picture(), encode_thread(), ff_clean_h263_qscales(), ff_estimate_p_frame_motion(), and svq1_encode_plane().

#define CANDIDATE_MB_TYPE_INTER4V 0x04

Referenced by encode_thread(), ff_clean_h263_qscales(), ff_estimate_p_frame_motion(), and ff_fix_long_p_mvs().

#define CANDIDATE_MB_TYPE_INTER_I 0x100

Referenced by encode_picture(), encode_thread(), and ff_estimate_p_frame_motion().

#define CANDIDATE_MB_TYPE_INTRA 0x01

Referenced by adaptive_quantization(), encode_picture(), encode_thread(), ff_estimate_p_frame_motion(), ff_fix_long_mvs(), ff_fix_long_p_mvs(), and svq1_encode_plane().

#define CANDIDATE_MB_TYPE_SKIPPED 0x08

Referenced by encode_thread(), and ff_estimate_p_frame_motion().

#define CHROMA_420 1

Referenced by decode_vol_header(), encode_init(), encode_mb(), ff_mjpeg_encode_mb(), ff_mpeg1_encode_mb(), ff_mpeg1_encode_picture_header(), ff_MPV_encode_init(), and vaapi_mpeg4_start_frame().

#define CHROMA_422 2

Referenced by encode_mb(), encode_mb_internal(), and ff_MPV_encode_init().

#define CHROMA_444 3

Referenced by encode_mb_internal(), ff_mjpeg_encode_mb(), and ff_MPV_encode_init().

#define DELAYED_PIC_REF 4

Value of Picture.reference when Picture is not a reference picture, but is held for delayed output.

#define EXT_START_CODE 0x000001b5

#define FF_MPV_COMMON_OPTS

Value:

{ "mpv_flags",      "Flags common for all mpegvideo-based encoders.", FF_MPV_OFFSET(mpv_flags), AV_OPT_TYPE_FLAGS, { .i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, "mpv_flags" },\
{ "skip_rd",        "RD optimal MB level residual skipping", 0, AV_OPT_TYPE_CONST, { .i64 = FF_MPV_FLAG_SKIP_RD },    0, 0, FF_MPV_OPT_FLAGS, "mpv_flags" },\
{ "strict_gop",     "Strictly enforce gop size",             0, AV_OPT_TYPE_CONST, { .i64 = FF_MPV_FLAG_STRICT_GOP }, 0, 0, FF_MPV_OPT_FLAGS, "mpv_flags" },\
{ "qp_rd",          "Use rate distortion optimization for qp selection", 0, AV_OPT_TYPE_CONST, { .i64 = FF_MPV_FLAG_QP_RD },  0, 0, FF_MPV_OPT_FLAGS, "mpv_flags" },\
{ "cbp_rd",         "use rate distortion optimization for CBP",          0, AV_OPT_TYPE_CONST, { .i64 = FF_MPV_FLAG_CBP_RD }, 0, 0, FF_MPV_OPT_FLAGS, "mpv_flags" },\
{ "luma_elim_threshold",   "single coefficient elimination threshold for luminance (negative values also consider dc coefficient)",\
                                                                      FF_MPV_OFFSET(luma_elim_threshold), AV_OPT_TYPE_INT, { .i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS },\
{ "chroma_elim_threshold", "single coefficient elimination threshold for chrominance (negative values also consider dc coefficient)",\
                                                                      FF_MPV_OFFSET(chroma_elim_threshold), AV_OPT_TYPE_INT, { .i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS },\
{ "quantizer_noise_shaping", NULL,                                  FF_MPV_OFFSET(quantizer_noise_shaping), AV_OPT_TYPE_INT, { .i64 = 0 },       0, INT_MAX, FF_MPV_OPT_FLAGS },

#define FF_MPV_FLAG_CBP_RD 0x0008

Referenced by encode_mb_internal(), ff_MPV_encode_init(), get_b_cbp(), and get_p_cbp().

#define FF_MPV_FLAG_QP_RD 0x0004

Referenced by encode_mb_internal(), encode_thread(), and ff_MPV_encode_init().

#define FF_MPV_FLAG_SKIP_RD 0x0001

Referenced by encode_thread().

#define FF_MPV_FLAG_STRICT_GOP 0x0002

Referenced by select_input_picture().

#define FF_MPV_GENERIC_CLASS ( name )

Value:

static const AVClass name ## _class = {\
    .class_name = #name " encoder",\
    .item_name  = av_default_item_name,\
    .option     = ff_mpv_generic_options,\
    .version    = LIBAVUTIL_VERSION_INT,\
};

Referenced by ff_flv2_encode_ac_esc(), ff_h261_encode_init(), ff_rv10_encode_picture_header(), and ff_rv20_encode_picture_header().

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

#define FF_MPV_OPT_FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM)

#define FRAME_SKIPPED 100

return value for header parsers if frame is not coded

Referenced by decode_vop_header(), ff_h263_decode_frame(), and ff_mpeg4_decode_picture_header().

#define GOP_START_CODE 0x000001b8

Referenced by decode_chunks(), and mpeg1_encode_sequence_header().

#define HAS_CBP ( a ) ((a)&MB_TYPE_CBP)

Referenced by ff_h261_encode_mb(), ff_h263_decode_mb(), h261_decode_mb(), and mpeg_decode_mb().

#define INPLACE_OFFSET 16

Referenced by estimate_best_b_count(), ff_mpeg4_encode_mb(), load_input_picture(), and select_input_picture().

#define IS_16X16 ( a ) ((a)&MB_TYPE_16x16)

Referenced by await_references(), ff_h261_encode_mb(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_print_debug_info2(), h261_decode_mb(), hl_decode_mb(), hl_decode_mb_444(), hl_motion(), pred_spatial_direct_motion(), and pred_temp_direct_motion().

#define IS_16X8 ( a ) ((a)&MB_TYPE_16x8)

Referenced by await_references(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_print_debug_info2(), hl_motion(), and rv34_decode_mv().

#define IS_8X16 ( a ) ((a)&MB_TYPE_8x16)

Referenced by await_references(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_print_debug_info2(), hl_motion(), and rv34_decode_mv().

#define IS_8X8 ( a ) ((a)&MB_TYPE_8x8)

Referenced by await_references(), direct_search(), ff_er_frame_end(), ff_mpeg4_set_direct_mv(), ff_print_debug_info2(), fill_decode_caches(), hl_motion(), mpeg4_decode_partitioned_mb(), pred_spatial_direct_motion(), pred_temp_direct_motion(), rv34_decode_mv(), and write_back_motion().

#define IS_ACPRED ( a ) ((a)&MB_TYPE_ACPRED)

Referenced by ff_print_debug_info2(), and mpeg4_decode_partitioned_mb().

#define IS_DIR	(	a,
		part,
		list
	)	((a) & (MB_TYPE_P0L0<<((part)+2*(list))))

Referenced by await_references(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), and hl_motion().

#define IS_DIRECT ( a ) ((a)&MB_TYPE_DIRECT2)

Referenced by ff_h263_decode_mb(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_print_debug_info2(), fill_decode_caches(), fill_filter_caches_inter(), mpeg4_decode_mb(), pred_spatial_direct_motion(), and pred_temp_direct_motion().

#define IS_GMC ( a ) ((a)&MB_TYPE_GMC)

Referenced by ff_print_debug_info2().

#define IS_INTER ( a ) ((a)&(MB_TYPE_16x16|MB_TYPE_16x8|MB_TYPE_8x16|MB_TYPE_8x8))

Referenced by ff_er_frame_end(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), fill_decode_caches(), fill_filter_caches_inter(), guess_dc(), hl_motion(), and svq3_decode_mb().

#define IS_INTERLACED ( a ) ((a)&MB_TYPE_INTERLACED)

Referenced by decode_cabac_mb_skip(), fetch_diagonal_mv(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_h264_filter_mb(), ff_mpeg4_set_direct_mv(), ff_print_debug_info2(), fill_decode_caches(), fill_decode_neighbors(), fill_filter_caches(), fill_filter_caches_inter(), filter_mb_dir(), loop_filter(), pred_spatial_direct_motion(), pred_temp_direct_motion(), and predict_field_decoding_flag().

#define IS_INTRA ( a ) ((a)&7)

#define IS_INTRA16x16 ( a ) ((a)&MB_TYPE_INTRA16x16)

Referenced by decode_cabac_luma_residual(), decode_luma_residual(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_print_debug_info2(), hl_decode_mb_idct_luma(), rv34_decode_inter_mb_header(), and svq3_decode_mb().

#define IS_INTRA4x4 ( a ) ((a)&MB_TYPE_INTRA4x4)

Referenced by ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_print_debug_info2(), fill_decode_caches(), h261_decode_mb(), hl_decode_mb_idct_luma(), hl_decode_mb_predict_luma(), and svq3_decode_mb().

#define IS_INTRA_PCM ( a ) ((a)&MB_TYPE_INTRA_PCM)

Referenced by ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_h264_hl_decode_mb(), hl_decode_mb(), and hl_decode_mb_444().

#define IS_PCM ( a ) ((a)&MB_TYPE_INTRA_PCM)

Referenced by ff_print_debug_info2().

#define IS_QUANT ( a ) ((a)&MB_TYPE_QUANT)

Referenced by ff_h261_encode_mb(), ff_h263_decode_mb(), h261_decode_mb(), and mpeg_decode_mb().

#define IS_SKIP ( a ) ((a)&MB_TYPE_SKIP)

Referenced by decode_cabac_mb_skip(), ff_h263_loop_filter(), ff_print_debug_info2(), ff_wmv2_decode_mb(), fill_decode_caches(), mpeg4_decode_mb(), mpeg4_decode_partition_b(), mpeg4_decode_partitioned_mb(), rv34_decode_mv(), svq3_decode_mb(), and write_back_motion_list().

#define IS_SUB_4X4 ( a ) ((a)&MB_TYPE_8x8)

Referenced by await_references(), and hl_motion().

#define IS_SUB_4X8 ( a ) ((a)&MB_TYPE_8x16)

Referenced by await_references(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), and hl_motion().

#define IS_SUB_8X4 ( a ) ((a)&MB_TYPE_16x8)

Referenced by await_references(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), and hl_motion().

#define IS_SUB_8X8 ( a ) ((a)&MB_TYPE_16x16)

Referenced by await_references(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), hl_motion(), pred_spatial_direct_motion(), and pred_temp_direct_motion().

#define MAX_FCODE 7

Referenced by ff_mpeg1_encode_init(), and init_mv_penalty_and_fcode().

#define MAX_MB_BYTES (30*16*16*3/8 + 120)

Referenced by encode_thread(), ff_MPV_encode_picture(), svq1_encode_frame(), and xvid_encode_frame().

#define MAX_MV 4096

Referenced by check_bidir_mv(), direct_search(), encode_q_branch(), ff_estimate_b_frame_motion(), ff_estimate_motion_b(), ff_estimate_p_frame_motion(), ff_get_best_fcode(), ff_mpeg1_encode_init(), ff_pre_estimate_p_frame_motion(), get_limits(), init_mv_penalty_and_fcode(), and MPV_encode_defaults().

#define MAX_PICTURE_COUNT 36

Referenced by copy_picture_range(), decode_update_thread_context(), ff_find_unused_picture(), ff_h264_alloc_tables(), ff_h264_decode_seq_parameter_set(), ff_mpeg_flush(), ff_mpeg_update_thread_context(), ff_MPV_common_end(), ff_MPV_common_frame_size_change(), ff_MPV_common_init(), ff_MPV_frame_end(), ff_MPV_frame_start(), ff_release_unused_pictures(), find_unused_picture(), flush_dpb(), free_tables(), load_input_picture(), release_unused_pictures(), and select_input_picture().

#define MAX_THREADS 32

#define MB_TYPE_INTRA MB_TYPE_INTRA4x4

Referenced by ff_h263_decode_mb(), ff_h263_update_motion_val(), h261_decode_mb(), mpeg4_decode_mb(), mpeg4_decode_partition_a(), mpeg_decode_mb(), msmpeg4v12_decode_mb(), msmpeg4v34_decode_mb(), preview_obmc(), rv34_decode_intra_mb_header(), vc1_decode_b_mb_intfi(), vc1_decode_b_mb_intfr(), vc1_decode_i_blocks(), vc1_decode_i_blocks_adv(), vc1_decode_p_mb(), vc1_decode_p_mb_intfi(), vc1_decode_p_mb_intfr(), and vc1_pred_b_mv_intfi().

#define ME_MAP_MV_BITS 11

Referenced by hpel_motion_search(), qpel_motion_search(), sab_diamond_search(), small_diamond_search(), and update_map_generation().

#define ME_MAP_SHIFT 3

Referenced by ff_init_me(), hpel_motion_search(), qpel_motion_search(), sad_hpel_motion_search(), and small_diamond_search().

#define ME_MAP_SIZE 64

Referenced by encode_init(), ff_init_me(), hpel_motion_search(), init_duplicate_context(), qpel_motion_search(), sab_diamond_search(), sad_hpel_motion_search(), small_diamond_search(), svq1_encode_init(), and update_map_generation().

#define MPEG_BUF_SIZE (16 * 1024)

#define MV_DIR_BACKWARD 2

Referenced by encode_mb_internal(), encode_thread(), ff_er_frame_end(), ff_h263_decode_mb(), ff_mpeg4_encode_mb(), ff_xvmc_decode_mb(), guess_mv(), mpeg1_encode_mb_internal(), mpeg4_decode_mb(), and MPV_decode_mb_internal().

#define MV_DIRECT 4

bidirectional mode where the difference equals the MV of the last P/S/I-Frame (mpeg4)

Referenced by encode_mb_internal(), encode_thread(), ff_h263_decode_mb(), ff_mpeg4_encode_mb(), and mpeg4_decode_mb().

#define MV_TYPE_16X8 2

2 vectors, one per 16x8 block

Referenced by ff_MPV_lowest_referenced_row(), ff_xvmc_decode_mb(), mpeg_decode_mb(), MPV_motion_internal(), and MPV_motion_lowres().

#define MV_TYPE_8X8 1

4 vectors (h263, mpeg4 4MV)

Referenced by cmp_direct_inline(), direct_search(), encode_mb_internal(), encode_thread(), ff_er_frame_end(), ff_h263_decode_mb(), ff_h263_update_motion_val(), ff_mpeg4_encode_mb(), ff_mpeg4_set_direct_mv(), ff_MPV_lowest_referenced_row(), mpeg4_decode_mb(), mpeg4_decode_partitioned_mb(), MPV_motion_internal(), and MPV_motion_lowres().

#define MV_TYPE_DMV 4

2 vectors, special mpeg2 Dual Prime Vectors

Referenced by ff_xvmc_decode_mb(), mpeg_decode_mb(), MPV_motion_internal(), and MPV_motion_lowres().

#define MV_TYPE_FIELD 3

2 vectors, one per field

Referenced by encode_thread(), ff_mpeg4_encode_mb(), ff_mpeg4_set_direct_mv(), ff_xvmc_decode_mb(), mpeg1_encode_mb_internal(), mpeg4_decode_mb(), mpeg_decode_mb(), mpeg_decode_slice(), MPV_motion_internal(), and MPV_motion_lowres().

#define PICT_FRAME 3

Referenced by commit_bitstream_and_slice_buffer(), copy_frame(), decode_chunks(), decode_slice(), decode_slice_header(), ff_draw_horiz_band(), ff_h264_decode_init(), ff_h264_direct_ref_list_init(), ff_h264_draw_horiz_band(), ff_h264_execute_ref_pic_marking(), ff_init_block_index(), ff_mpeg1_encode_picture_header(), ff_MPV_common_defaults(), ff_MPV_frame_start(), ff_MPV_lowest_referenced_row(), ff_vdpau_add_data_chunk(), ff_xvmc_decode_mb(), fill_colmap(), fill_picture_parameters(), fill_slice(), fill_vaapi_pic(), filter_mb_dir(), h264_frame_start(), implicit_weight_table(), init_poc(), mpeg1_decode_sequence(), mpeg2_get_is_frame_start(), mpeg_decode_mb(), mpeg_decode_picture_display_extension(), mpeg_decode_slice(), mpeg_field_start(), MPV_motion_internal(), MPV_motion_lowres(), parse_nal_units(), pic_num_extract(), slice_decode_thread(), split_field_copy(), svq1_encode_init(), svq3_decode_init(), vaapi_h264_start_frame(), vaapi_mpeg2_decode_slice(), vc1_decode_frame(), vcr2_init_sequence(), and vdpau_h264_start_frame().

#define PICT_TOP_FIELD 1

Referenced by copy_frame(), decode_slice_header(), ff_h264_fill_mbaff_ref_list(), ff_MPV_frame_start(), ff_vdpau_h264_set_reference_frames(), fill_picture_parameters(), fill_vaapi_pic(), init_poc(), mpeg_decode_mb(), parse_nal_units(), vc1_decode_frame(), vdpau_h264_set_reference_frames(), and vdpau_h264_set_rf().

#define PICTURE_START_CODE 0x00000100

Referenced by decode_chunks(), ff_mpeg1_encode_picture_header(), ff_mpeg1_find_frame_end(), and mpegvideo_extract_headers().

#define QMAT_SHIFT 21

Referenced by dct_quantize_trellis_c(), ff_convert_matrix(), and ff_dct_quantize_c().

#define QMAT_SHIFT_MMX 16

Referenced by ff_convert_matrix().

#define QUANT_BIAS_SHIFT 8

Referenced by ff_convert_matrix(), ff_dct_quantize_c(), and ff_MPV_encode_init().

#define REBASE_PICTURE	(	pic,
		new_ctx,
		old_ctx
	)

Value:

((pic && pic >= old_ctx->picture &&                   \
      pic < old_ctx->picture + MAX_PICTURE_COUNT) ?  \
        &new_ctx->picture[pic - old_ctx->picture] : NULL)

#define SEQ_END_CODE 0x000001b7

Referenced by ff_mpeg1_find_frame_end(), and mpeg_decode_frame().

#define SEQ_START_CODE 0x000001b3

Referenced by decode_chunks(), ff_mpeg1_find_frame_end(), mpeg1_encode_sequence_header(), and mpegvideo_extract_headers().

#define SLICE_END -2

end marker found

Referenced by decode_slice(), ff_h263_decode_mb(), h261_decode_gob(), h261_decode_mb(), mpeg4_decode_mb(), mpeg4_decode_partitioned_mb(), and rv10_decode_packet().

#define SLICE_ERROR -1

Referenced by h261_decode_mb(), and rv10_decode_packet().

#define SLICE_MAX_START_CODE 0x000001af

#define SLICE_MIN_START_CODE 0x00000101

Referenced by decode_chunks(), ff_mpeg1_encode_slice_header(), ff_mpeg1_find_frame_end(), mpegvideo_extract_headers(), and slice_decode_thread().

#define SLICE_NOEND -3

no end marker or error found but mb count exceeded

Referenced by decode_slice(), and mpeg4_decode_partitioned_mb().

#define SLICE_OK 0

Referenced by ff_h263_decode_mb(), h261_decode_mb(), mpeg4_decode_mb(), mpeg4_decode_partitioned_mb(), and rv10_decode_packet().

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

Referenced by bit8x8_c(), dct_quantize_refine(), dct_quantize_trellis_c(), get_block_rate(), init_uni_ac_vlc(), and rd8x8_c().

#define USER_START_CODE 0x000001b2

#define USES_LIST	(	a,
		list
	)	((a) & ((MB_TYPE_P0L0\|MB_TYPE_P1L0)<<(2*(list))))

does this mb use listX, note does not work if subMBs

Referenced by ff_h263_decode_mb(), ff_print_debug_info2(), fill_decode_caches(), fill_filter_caches_inter(), hl_decode_mb(), hl_decode_mb_444(), mpeg4_decode_mb(), mpeg_decode_mb(), pred_pskip_motion(), and write_back_motion().

Typedef Documentation

typedef struct MotionEstContext MotionEstContext

Motion estimation context.

typedef struct MpegEncContext MpegEncContext

MpegEncContext.

typedef struct Picture Picture

Picture.

Enumeration Type Documentation

enum OutputFormat

Enumerator
FMT_MPEG1
FMT_H261
FMT_H263
FMT_MJPEG

Function Documentation

int ff_alloc_picture	(	MpegEncContext *	s,
		Picture *	pic,
		int	shared
	)

Allocate a Picture.

The pixels are allocated/set by calling get_buffer() if shared = 0.

The pixels are allocated/set by calling get_buffer() if shared = 0

Referenced by ff_MPV_frame_start(), load_input_picture(), and select_input_picture().

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

permute block according to permuatation.

Parameters

last	last non zero element in scantable order

permute block according to permuatation.

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!

Referenced by dct_quantize_bfin(), and ff_dct_quantize_c().

void ff_clean_intra_table_entries ( MpegEncContext * s )

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

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

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

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

int ff_dct_common_init ( MpegEncContext * s )

Referenced by dnxhd_encode_init(), ff_h263_decode_frame(), and ff_MPV_common_init().

int ff_dct_encode_init ( MpegEncContext * s )

Referenced by dnxhd_encode_init(), and ff_MPV_encode_init().

void ff_dct_encode_init_x86 ( MpegEncContext * s )

Referenced by ff_dct_encode_init().

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

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

void ff_denoise_dct	(	MpegEncContext *	s,
		int16_t *	block
	)

void ff_draw_horiz_band	(	AVCodecContext *	avctx,
		DSPContext *	dsp,
		Picture *	cur,
		Picture *	last,
		int	y,
		int	h,
		int	picture_structure,
		int	first_field,
		int	draw_edges,
		int	low_delay,
		int	v_edge_pos,
		int	h_edge_pos
	)

Parameters

h	is the normal height, this will be reduced automatically if needed for the last row

Referenced by ff_mpeg_draw_horiz_band(), and svq3_decode_frame().

int ff_epzs_motion_search	(	MpegEncContext *	s,
		int *	mx_ptr,
		int *	my_ptr,
		int	P[10][2],
		int	src_index,
		int	ref_index,
		int16_t(*)	last_mv[2],
		int	ref_mv_scale,
		int	size,
		int	h
	)

Referenced by direct_search(), encode_q_branch(), ff_estimate_motion_b(), ff_estimate_p_frame_motion(), ff_h263_round_chroma(), and ff_pre_estimate_p_frame_motion().

void ff_estimate_b_frame_motion	(	MpegEncContext *	s,
		int	mb_x,
		int	mb_y
	)

Referenced by estimate_motion_thread(), and ff_h263_round_chroma().

void ff_estimate_p_frame_motion	(	MpegEncContext *	s,
		int	mb_x,
		int	mb_y
	)

< the variance of the block (sum of squared (p[y][x]-average))

< sum of squared differences with the estimated motion vector

Referenced by estimate_motion_thread(), ff_h263_round_chroma(), and svq1_encode_plane().

int ff_find_unused_picture	(	MpegEncContext *	s,
		int	shared
	)

Referenced by decode_wmv9(), ff_h263_decode_frame(), ff_MPV_frame_start(), h261_decode_frame(), load_input_picture(), select_input_picture(), and vc1_decode_frame().

void ff_fix_long_mvs	(	MpegEncContext *	s,
		uint8_t *	field_select_table,
		int	field_select,
		int16_t(*)	mv_table[2],
		int	f_code,
		int	type,
		int	truncate
	)

Parameters

truncate 1 for truncation, 0 for using intra

Referenced by encode_picture(), ff_h263_round_chroma(), and svq1_encode_plane().

void ff_fix_long_p_mvs ( MpegEncContext * s )

Referenced by encode_picture(), ff_h263_round_chroma(), and svq1_encode_plane().

int ff_get_best_fcode	(	MpegEncContext *	s,
		int16_t(*)	mv_table[2],
		int	type
	)

Referenced by encode_picture(), and ff_h263_round_chroma().

int ff_get_mb_score	(	MpegEncContext *	s,
		int	mx,
		int	my,
		int	src_index,
		int	ref_index,
		int	size,
		int	h,
		int	add_rate
	)

Referenced by encode_q_branch(), and ff_h263_round_chroma().

static int ff_h263_round_chroma ( int x )

inlinestatic

Referenced by chroma_4mv_motion(), chroma_4mv_motion_lowres(), and h263_mv4_search().

void ff_init_block_index ( MpegEncContext * s )

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(), rv34_decode_slice(), and svq1_encode_plane().

int ff_init_me ( MpegEncContext * s )

Referenced by encode_frame(), encode_picture(), ff_h263_round_chroma(), and svq1_encode_plane().

void ff_mpeg1_encode_init ( MpegEncContext * s )

Referenced by ff_h263_round_chroma(), and ff_MPV_encode_init().

void ff_mpeg1_encode_mb	(	MpegEncContext *	s,
		int16_t	block[6][64],
		int	motion_x,
		int	motion_y
	)

Referenced by encode_mb_internal(), and ff_h263_round_chroma().

void ff_mpeg1_encode_picture_header	(	MpegEncContext *	s,
		int	picture_number
	)

Referenced by encode_picture(), and ff_h263_round_chroma().

void ff_mpeg1_encode_slice_header ( MpegEncContext * s )

Referenced by encode_thread(), ff_h263_round_chroma(), and ff_mpeg1_encode_picture_header().

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

Referenced by decode_slice(), dxva2_mpeg2_end_frame(), dxva2_vc1_end_frame(), ff_intrax8_decode_picture(), ff_vaapi_mpeg_end_frame(), ff_vdpau_add_data_chunk(), ff_vdpau_common_start_frame(), ff_xvmc_decode_mb(), ff_xvmc_field_end(), mpeg_decode_slice(), vc1_decode_b_blocks(), vc1_decode_i_blocks(), vc1_decode_i_blocks_adv(), vc1_decode_p_blocks(), and vc1_decode_skip_blocks().

void ff_mpeg_er_frame_start ( MpegEncContext * s )

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

void ff_mpeg_flush ( AVCodecContext * avctx )

Referenced by decode_wmv9(), and flush().

int ff_mpeg_ref_picture	(	MpegEncContext *	s,
		Picture *	dst,
		Picture *	src
	)

Referenced by ff_h263_round_chroma(), ff_mpeg_update_thread_context(), ff_MPV_frame_start(), and select_input_picture().

void ff_mpeg_unref_picture	(	MpegEncContext *	s,
		Picture *	picture
	)

Deallocate a picture.

Referenced by alloc_frame_buffer(), ff_alloc_picture(), ff_find_unused_picture(), ff_h263_round_chroma(), ff_mpeg_flush(), ff_mpeg_ref_picture(), ff_mpeg_update_thread_context(), ff_MPV_common_end(), ff_MPV_frame_end(), ff_MPV_frame_start(), ff_release_unused_pictures(), and select_input_picture().

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

Referenced by ff_rv34_decode_update_thread_context(), and mpeg_decode_update_thread_context().

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.

Referenced by ff_MPV_decode_defaults(), and MPV_encode_defaults().

void ff_MPV_common_end ( MpegEncContext * s )

Referenced by ff_h263_decode_end(), ff_h263_decode_frame(), ff_MPV_common_frame_size_change(), ff_MPV_common_init(), ff_MPV_encode_end(), ff_rv34_decode_end(), ff_vc1_decode_end(), h261_decode_end(), h261_decode_frame(), mpeg_decode_end(), mpeg_decode_postinit(), rv10_decode_end(), rv20_decode_picture_header(), and vcr2_init_sequence().

int ff_MPV_common_frame_size_change ( MpegEncContext * s )

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

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

Referenced by ff_h263_decode_frame(), ff_h263_decode_init(), ff_mpeg_update_thread_context(), ff_MPV_encode_init(), ff_rv34_decode_init(), ff_rv34_decode_init_thread_copy(), h261_decode_frame(), mpeg_decode_postinit(), rv10_decode_init(), rv20_decode_picture_header(), and vcr2_init_sequence().

void ff_MPV_common_init_altivec ( MpegEncContext * s )

Referenced by ff_dct_common_init().

void ff_MPV_common_init_arm ( MpegEncContext * s )

Referenced by ff_dct_common_init().

void ff_MPV_common_init_axp ( MpegEncContext * s )

Referenced by ff_dct_common_init().

void ff_MPV_common_init_bfin ( MpegEncContext * s )

Referenced by ff_dct_common_init().

void ff_MPV_common_init_x86 ( MpegEncContext * s )

Referenced by ff_dct_common_init().

void ff_MPV_decode_defaults ( MpegEncContext * s )

Set the given MpegEncContext to defaults for decoding.

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

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

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

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().

int ff_MPV_encode_end ( AVCodecContext * avctx )

Referenced by amv_encode_picture(), and mpeg12_class().

int ff_MPV_encode_init ( AVCodecContext * avctx )

Referenced by amv_encode_picture(), encode_init(), and wmv2_encode_init().

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

Referenced by amv_encode_picture(), and mpeg12_class().

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

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

void ff_MPV_frame_end ( MpegEncContext * s )

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

int ff_mpv_frame_size_alloc	(	MpegEncContext *	s,
		int	linesize
	)

Referenced by alloc_frame_buffer(), encode_picture_lossless(), ff_mpeg_update_thread_context(), and ff_update_duplicate_context().

int ff_MPV_frame_start	(	MpegEncContext *	s,
		AVCodecContext *	avctx
	)

generic function for encode/decode called after coding/decoding the header and before a frame is coded/decoded.

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

int ff_MPV_lowest_referenced_row	(	MpegEncContext *	s,
		int	dir
	)

find the lowest MB row referenced in the MVs

Referenced by MPV_decode_mb_internal().

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]
	)

Referenced by encode_mb_internal(), and MPV_decode_mb_internal().

void ff_MPV_report_decode_progress ( MpegEncContext * s )

Referenced by decode_slice(), and mpeg_decode_slice().

int ff_msmpeg4_decode_ext_header	(	MpegEncContext *	s,
		int	buf_size
	)

Referenced by ff_h263_decode_frame(), ff_h263_round_chroma(), and ff_msmpeg4_decode_picture_header().

int ff_msmpeg4_decode_init ( AVCodecContext * avctx )

Referenced by ff_h263_round_chroma(), vc1_decode_frame(), vc1_decode_init(), wmv2_decode_init(), and wmv9_init().

int ff_msmpeg4_decode_picture_header ( MpegEncContext * s )

Referenced by ff_h263_decode_frame(), and ff_h263_round_chroma().

void ff_msmpeg4_encode_ext_header ( MpegEncContext * s )

Referenced by encode_thread(), ff_h263_round_chroma(), and ff_msmpeg4_encode_picture_header().

void ff_msmpeg4_encode_init ( MpegEncContext * s )

Referenced by ff_h263_round_chroma(), and ff_MPV_encode_init().

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

Referenced by encode_mb_internal(), and ff_h263_round_chroma().

void ff_msmpeg4_encode_picture_header	(	MpegEncContext *	s,
		int	picture_number
	)

Referenced by encode_picture(), and ff_h263_round_chroma().

void ff_mspel_motion	(	MpegEncContext *	s,
		uint8_t *	dest_y,
		uint8_t *	dest_cb,
		uint8_t *	dest_cr,
		uint8_t **	ref_picture,
		op_pixels_func(*)	pix_op[4],
		int	motion_x,
		int	motion_y,
		int	h
	)

Referenced by ff_h263_round_chroma(), and MPV_motion_internal().

int ff_pre_estimate_p_frame_motion	(	MpegEncContext *	s,
		int	mb_x,
		int	mb_y
	)

Referenced by ff_h263_round_chroma(), and pre_estimate_motion_thread().

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

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

void ff_print_debug_info2	(	AVCodecContext *	avctx,
		Picture *	p,
		AVFrame *	pict,
		uint8_t *	mbskip_table,
		int *	low_delay,
		int	mb_width,
		int	mb_height,
		int	mb_stride,
		int	quarter_sample
	)

Print debugging info for the given picture.

Referenced by decode_frame(), and ff_print_debug_info().

void ff_release_unused_pictures	(	MpegEncContext *	s,
		int	remove_current
	)

Referenced by ff_MPV_frame_start().

void ff_rv10_encode_picture_header	(	MpegEncContext *	s,
		int	picture_number
	)

Referenced by encode_picture(), and ff_h263_round_chroma().

void ff_rv20_encode_picture_header	(	MpegEncContext *	s,
		int	picture_number
	)

Referenced by encode_picture(), and ff_h263_round_chroma().

int ff_rv_decode_dc	(	MpegEncContext *	s,
		int	n
	)

Referenced by ff_h263_round_chroma(), and h263_decode_block().

void ff_set_qscale	(	MpegEncContext *	s,
		int	qscale
	)

set qscale and update qscale dependent variables.

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().

static void ff_update_block_index ( MpegEncContext * s )

inlinestatic

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(), svq1_encode_plane(), vc1_apply_p_loop_filter(), vc1_decode_b_blocks(), vc1_decode_i_blocks(), vc1_decode_i_blocks_adv(), vc1_decode_p_blocks(), and vc1_decode_skip_blocks().

int ff_update_duplicate_context	(	MpegEncContext *	dst,
		MpegEncContext *	src
	)

Referenced by decode_chunks(), and encode_picture().

void ff_wmv2_add_mb	(	MpegEncContext *	s,
		int16_t	block[6][64],
		uint8_t *	dest_y,
		uint8_t *	dest_cb,
		uint8_t *	dest_cr
	)

Referenced by ff_h263_round_chroma(), and MPV_decode_mb_internal().

int ff_wmv2_decode_picture_header ( MpegEncContext * s )

Referenced by ff_h263_decode_frame(), and ff_h263_round_chroma().

int ff_wmv2_decode_secondary_picture_header ( MpegEncContext * s )

Referenced by ff_h263_decode_frame(), and ff_h263_round_chroma().

void ff_wmv2_encode_mb	(	MpegEncContext *	s,
		int16_t	block[6][64],
		int	motion_x,
		int	motion_y
	)

Referenced by encode_mb_internal(), and ff_h263_round_chroma().

int ff_wmv2_encode_picture_header	(	MpegEncContext *	s,
		int	picture_number
	)

Referenced by encode_picture(), and ff_h263_round_chroma().

void ff_write_quant_matrix	(	PutBitContext *	pb,
		uint16_t *	matrix
	)

Referenced by mpeg1_encode_sequence_header(), and mpeg4_encode_vol_header().

static int get_bits_diff ( MpegEncContext * s )

inlinestatic

Referenced by ff_h263_encode_mb(), ff_mjpeg_encode_mb(), ff_mpeg4_encode_mb(), ff_msmpeg4_encode_mb(), mpeg1_encode_mb_internal(), and write_slice_end().

Variable Documentation

const uint8_t ff_aic_dc_scale_table[32]

Referenced by ff_flv_encode_picture_header(), ff_h263_decode_picture_header(), ff_h263_encode_picture_header(), ff_h263_round_chroma(), ff_rv20_encode_picture_header(), and rv10_decode_packet().

const uint8_t ff_h263_chroma_qscale_table[32]

Referenced by ff_h263_decode_picture_header(), ff_h263_round_chroma(), ff_MPV_encode_init(), and rv10_decode_packet().

const uint8_t ff_h263_loop_filter_strength[32]

Referenced by ff_h263_round_chroma(), h263_h_loop_filter_c(), and h263_v_loop_filter_c().

const uint8_t ff_mpeg1_dc_scale_table[128]

Referenced by ff_flv_decode_picture_header(), ff_flv_encode_picture_header(), ff_h261_encode_init(), ff_h263_decode_picture_header(), ff_h263_encode_init(), ff_h263_encode_picture_header(), ff_h263_round_chroma(), ff_intel_h263_decode_picture_header(), ff_MPV_common_defaults(), ff_msmpeg4_common_init(), ff_rv20_encode_picture_header(), and rv10_decode_packet().

const uint8_t* const ff_mpeg2_dc_scale_table[4]

Referenced by encode_picture(), ff_h263_round_chroma(), and ff_mpeg12_common_init().

const AVOption ff_mpv_generic_options[]

enum AVPixelFormat ff_pixfmt_list_420[]

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Data Structures

Macros

Typedefs

Enumerations

Functions

Variables

Detailed Description

Macro Definition Documentation

Typedef Documentation

Enumeration Type Documentation

Function Documentation

Variable Documentation