FFmpeg
Data Structures | Macros | Enumerations | Functions | Variables
mpegvideo.h File Reference

mpegvideo header. More...

#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 "me_cmp.h"
#include "mpegvideodsp.h"
#include "mpegvideoencdsp.h"
#include "pixblockdsp.h"
#include "put_bits.h"
#include "ratecontrol.h"
#include "parser.h"
#include "mpeg12data.h"
#include "qpeldsp.h"
#include "rl.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   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
 
#define  MAX_FCODE   7
 
#define  MAX_MV   4096
 
#define  MAX_THREADS   32
 
#define  MAX_PICTURE_COUNT   36
 
#define  MAX_B_FRAMES   16
 
#define  ME_MAP_SIZE   64
 
#define  MAX_MB_BYTES   (30*16*16*3/8 + 120)
 
#define  INPLACE_OFFSET   16
 
#define  EDGE_WIDTH   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  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)
 
#define  MV_TYPE_16X16   0
  1 vector for the whole mb
 
#define  MV_TYPE_8X8   1
  4 vectors (h263, mpeg4 4MV)
 
#define  MV_TYPE_16X8   2
  2 vectors, one per 16x8 block
 
#define  MV_TYPE_FIELD   3
  2 vectors, one per field
 
#define  MV_TYPE_DMV   4
  2 vectors, special mpeg2 Dual Prime Vectors
 
#define  UNI_AC_ENC_INDEX(run, level)   ((run)*128 + (level))
 
#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
 
#define  SLICE_NOEND   -3
  no end marker or error found but mb count exceeded
 
#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_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)
 

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).
 
void  ff_dct_encode_init_x86 (MpegEncContext *s)
 
int  ff_mpv_common_init (MpegEncContext *s)
  init common structure for both encoder and decoder.
 
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)
 
int  ff_mpv_common_frame_size_change (MpegEncContext *s)
 
void  ff_mpv_common_end (MpegEncContext *s)
 
void  ff_mpv_decode_defaults (MpegEncContext *s)
  Set the given MpegEncContext to defaults for decoding.
 
void  ff_mpv_decode_init (MpegEncContext *s, AVCodecContext *avctx)
 
void  ff_mpv_decode_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.
 
void  ff_mpv_frame_end (MpegEncContext *s)
 
int  ff_mpv_lowest_referenced_row (MpegEncContext *s, int dir)
  find the lowest MB row referenced in the MVs
 
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)
 
void  ff_clean_intra_table_entries (MpegEncContext *s)
  Clean dc, ac, coded_block for the current non-intra MB.
 
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, AVFrame *pict, uint8_t *mbskip_table, uint32_t *mbtype_table, int8_t *qscale_table, int16_t(*motion_val[2])[2], int *low_delay, int mb_width, int mb_height, int mb_stride, int quarter_sample)
  Print debugging info for the given picture.
 
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_find_unused_picture (MpegEncContext *s, int shared)
 
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.
 
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_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.
 
void  ff_block_permute (int16_t *block, uint8_t *permutation, const uint8_t *scantable, int last)
  permute block according to permuatation.
 
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[8][64], int motion_x, int motion_y)
 
void  ff_mpeg1_encode_init (MpegEncContext *s)
 
void  ff_mpeg1_encode_slice_header (MpegEncContext *s)
 
int  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)
 
int  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.
 
void  ff_free_picture_tables (Picture *pic)
 

Variables

const uint8_t  ff_alternate_horizontal_scan [64]
 
const uint8_t  ff_alternate_vertical_scan [64]
 
const AVOption  ff_mpv_generic_options []
 
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]
 

Detailed Description

mpegvideo header.

Definition in file mpegvideo.h.

Macro Definition Documentation

#define FRAME_SKIPPED   100

return value for header parsers if frame is not coded

Definition at line 58 of file mpegvideo.h.

Referenced by ff_h263_decode_frame(), ff_intel_h263_decode_picture_header(), and ff_mpeg4_decode_picture_header().

#define MAX_FCODE   7

Definition at line 67 of file mpegvideo.h.

Referenced by ff_mpeg1_encode_init(), and init_mv_penalty_and_fcode().

#define MAX_MV   4096

Definition at line 68 of file mpegvideo.h.

Referenced by check_bidir_mv(), direct_search(), encode_q_branch(), estimate_motion_b(), ff_estimate_b_frame_motion(), 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_THREADS   32

Definition at line 70 of file mpegvideo.h.

#define MAX_PICTURE_COUNT   36

Definition at line 71 of file mpegvideo.h.

Referenced by ff_find_unused_picture(), ff_mpeg_flush(), ff_mpeg_update_thread_context(), ff_mpv_common_end(), ff_mpv_common_frame_size_change(), ff_mpv_common_init(), ff_mpv_encode_init(), ff_mpv_encode_picture(), ff_mpv_frame_start(), find_unused_picture(), load_input_picture(), release_unused_pictures(), and select_input_picture().

#define MAX_B_FRAMES   16

Definition at line 73 of file mpegvideo.h.

Referenced by ff_mpv_encode_init().

#define ME_MAP_SIZE   64

Definition at line 75 of file mpegvideo.h.

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 MAX_MB_BYTES   (30*16*16*3/8 + 120)

Definition at line 77 of file mpegvideo.h.

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

#define INPLACE_OFFSET   16

Definition at line 79 of file mpegvideo.h.

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

#define EDGE_WIDTH   16

Definition at line 81 of file mpegvideo.h.

Referenced by alloc_frame_buffer(), avcodec_get_edge_width(), encode_frame(), ff_snow_get_buffer(), ff_snow_release_buffer(), frame_end(), get_buffer_with_edge(), halfpel_interpol(), interpolate_refplane(), and mc_subpel().

#define SEQ_END_CODE   0x000001b7

Definition at line 84 of file mpegvideo.h.

Referenced by ff_mpeg1_find_frame_end(), and mpeg_decode_frame().

#define SEQ_START_CODE   0x000001b3

Definition at line 85 of file mpegvideo.h.

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

#define GOP_START_CODE   0x000001b8

Definition at line 86 of file mpegvideo.h.

Referenced by decode_chunks(), and mpeg1_encode_sequence_header().

#define PICTURE_START_CODE   0x00000100

Definition at line 87 of file mpegvideo.h.

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

#define SLICE_MIN_START_CODE   0x00000101

Definition at line 88 of file mpegvideo.h.

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

#define SLICE_MAX_START_CODE   0x000001af

Definition at line 89 of file mpegvideo.h.

#define EXT_START_CODE   0x000001b5

Definition at line 90 of file mpegvideo.h.

#define USER_START_CODE   0x000001b2

Definition at line 91 of file mpegvideo.h.

#define MV_DIR_FORWARD   1

Definition at line 396 of file mpegvideo.h.

Referenced by decode_slice(), encode_mb_internal(), encode_thread(), ff_er_frame_end(), ff_h263_decode_mb(), ff_mpeg4_encode_mb(), ff_wmv2_decode_mb(), ff_xvmc_decode_mb(), guess_mv(), h261_decode_mb(), h261_decode_mb_skipped(), mpeg1_encode_mb_internal(), mpeg4_decode_mb(), mpeg4_decode_partitioned_mb(), mpeg_decode_mb(), mpeg_decode_slice(), mpv_decode_mb_internal(), msmpeg4v12_decode_mb(), msmpeg4v34_decode_mb(), and rv10_decode_packet().

#define MV_DIR_BACKWARD   2

Definition at line 397 of file mpegvideo.h.

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)

Definition at line 398 of file mpegvideo.h.

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

#define MV_TYPE_16X16   0

1 vector for the whole mb

Definition at line 400 of file mpegvideo.h.

Referenced by decode_slice(), direct_search(), encode_thread(), ff_er_frame_end(), ff_h263_decode_mb(), ff_h263_encode_mb(), ff_h263_update_motion_val(), ff_mpeg4_encode_mb(), ff_mpeg4_set_direct_mv(), ff_mpv_lowest_referenced_row(), ff_wmv2_decode_mb(), ff_xvmc_decode_mb(), get_p_cbp(), guess_mv(), h261_decode_mb(), h261_decode_mb_skipped(), mpeg1_encode_mb_internal(), mpeg4_decode_mb(), mpeg4_decode_partitioned_mb(), mpeg_decode_mb(), mpeg_decode_slice(), mpv_motion_internal(), MPV_motion_lowres(), msmpeg4v12_decode_mb(), msmpeg4v34_decode_mb(), and rv10_decode_packet().

#define MV_TYPE_8X8   1

4 vectors (h263, mpeg4 4MV)

Definition at line 401 of file mpegvideo.h.

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_16X8   2

2 vectors, one per 16x8 block

Definition at line 402 of file mpegvideo.h.

Referenced by ff_mpv_lowest_referenced_row(), ff_xvmc_decode_mb(), mpeg_decode_mb(), mpv_motion_internal(), and MPV_motion_lowres().

#define MV_TYPE_FIELD   3

2 vectors, one per field

Definition at line 403 of file mpegvideo.h.

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 MV_TYPE_DMV   4

2 vectors, special mpeg2 Dual Prime Vectors

Definition at line 404 of file mpegvideo.h.

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

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

Definition at line 451 of file mpegvideo.h.

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

#define CHROMA_420   1

Definition at line 602 of file mpegvideo.h.

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

Definition at line 603 of file mpegvideo.h.

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

#define CHROMA_444   3

Definition at line 604 of file mpegvideo.h.

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

#define SLICE_OK   0

Definition at line 629 of file mpegvideo.h.

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

#define SLICE_ERROR   -1

Definition at line 630 of file mpegvideo.h.

Referenced by h261_decode_mb(), and rv10_decode_packet().

#define SLICE_END   -2

end marker found

Definition at line 631 of file mpegvideo.h.

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_NOEND   -3

no end marker or error found but mb count exceeded

Definition at line 632 of file mpegvideo.h.

Referenced by decode_slice(), and mpeg4_decode_partitioned_mb().

#define FF_MPV_FLAG_SKIP_RD   0x0001

Definition at line 687 of file mpegvideo.h.

Referenced by encode_thread().

#define FF_MPV_FLAG_STRICT_GOP   0x0002

Definition at line 688 of file mpegvideo.h.

Referenced by select_input_picture().

#define FF_MPV_FLAG_QP_RD   0x0004

Definition at line 689 of file mpegvideo.h.

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

#define FF_MPV_FLAG_CBP_RD   0x0008

Definition at line 690 of file mpegvideo.h.

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

#define FF_MPV_FLAG_NAQ   0x0010

Definition at line 691 of file mpegvideo.h.

Referenced by adaptive_quantization(), and ff_mpv_encode_init().

#define FF_MPV_FLAG_MV0   0x0020

Definition at line 692 of file mpegvideo.h.

Referenced by epzs_motion_search_internal(), ff_estimate_b_frame_motion(), ff_estimate_p_frame_motion(), and ff_mpv_encode_init().

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

Definition at line 695 of file mpegvideo.h.

#define FF_MPV_OPT_FLAGS   (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM)

Definition at line 697 of file mpegvideo.h.

#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" },\
{ "naq", "normalize adaptive quantization", 0, AV_OPT_TYPE_CONST, { .i64 = FF_MPV_FLAG_NAQ }, 0, 0, FF_MPV_OPT_FLAGS, "mpv_flags" },\
{ "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, "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 },\
{ "error_rate", "Simulate errors in the bitstream to test error concealment.", \
FF_MPV_OFFSET(error_rate), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, FF_MPV_OPT_FLAGS },\
{"qsquish", "how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function)", \
FF_MPV_OFFSET(rc_qsquish), AV_OPT_TYPE_FLOAT, {.dbl = 0 }, 0, 99, FF_MPV_OPT_FLAGS}, \
{"rc_qmod_amp", "experimental quantizer modulation", FF_MPV_OFFSET(rc_qmod_amp), AV_OPT_TYPE_FLOAT, {.dbl = 0 }, -FLT_MAX, FLT_MAX, FF_MPV_OPT_FLAGS}, \
{"rc_qmod_freq", "experimental quantizer modulation", FF_MPV_OFFSET(rc_qmod_freq), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS}, \
{"rc_eq", "Set rate control equation. When computing the expression, besides the standard functions " \
"defined in the section 'Expression Evaluation', the following functions are available: " \
"bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv " \
"fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex.", \
FF_MPV_OFFSET(rc_eq), AV_OPT_TYPE_STRING, .flags = FF_MPV_OPT_FLAGS }, \
{"rc_init_cplx", "initial complexity for 1-pass encoding", FF_MPV_OFFSET(rc_initial_cplx), AV_OPT_TYPE_FLOAT, {.dbl = 0 }, -FLT_MAX, FLT_MAX, FF_MPV_OPT_FLAGS}, \
{"rc_buf_aggressivity", "currently useless", FF_MPV_OFFSET(rc_buffer_aggressivity), AV_OPT_TYPE_FLOAT, {.dbl = 1.0 }, -FLT_MAX, FLT_MAX, FF_MPV_OPT_FLAGS}, \
{"border_mask", "increase the quantizer for macroblocks close to borders", FF_MPV_OFFSET(border_masking), AV_OPT_TYPE_FLOAT, {.dbl = 0 }, -FLT_MAX, FLT_MAX, FF_MPV_OPT_FLAGS}, \
{"lmin", "minimum Lagrange factor (VBR)", FF_MPV_OFFSET(lmin), AV_OPT_TYPE_INT, {.i64 = 2*FF_QP2LAMBDA }, 0, INT_MAX, FF_MPV_OPT_FLAGS }, \
{"lmax", "maximum Lagrange factor (VBR)", FF_MPV_OFFSET(lmax), AV_OPT_TYPE_INT, {.i64 = 31*FF_QP2LAMBDA }, 0, INT_MAX, FF_MPV_OPT_FLAGS }, \

Definition at line 698 of file mpegvideo.h.

#define FF_MPV_GENERIC_CLASS (   name )
Value:
static const AVClass name ## _class = {\
.class_name = #name " encoder",\
.item_name = av_default_item_name,\
.version = LIBAVUTIL_VERSION_INT,\
};

Definition at line 730 of file mpegvideo.h.

Enumeration Type Documentation

enum OutputFormat
Enumerator:
FMT_MPEG1
FMT_H261
FMT_H263
FMT_MJPEG

Definition at line 60 of file mpegvideo.h.

Function Documentation

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 1090 of file mpegvideo.c.

Referenced by ff_mpv_decode_defaults(), and mpv_encode_defaults().

void ff_dct_encode_init_x86 ( MpegEncContext *  s )

Definition at line 200 of file mpegvideoenc.c.

Referenced by ff_dct_encode_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 1295 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(), ff_rv34_decode_init_thread_copy(), h261_decode_frame(), rv10_decode_init(), rv20_decode_picture_header(), svq1_encode_init(), and vcr2_init_sequence().

void ff_mpv_common_init_arm ( MpegEncContext *  s )

Definition at line 43 of file mpegvideo_arm.c.

Referenced by dct_init().

void ff_mpv_common_init_axp ( MpegEncContext *  s )

Definition at line 106 of file mpegvideo_alpha.c.

Referenced by dct_init().

void ff_mpv_common_init_neon ( MpegEncContext *  s )

Definition at line 126 of file mpegvideo.c.

Referenced by dct_init().

void ff_mpv_common_init_ppc ( MpegEncContext *  s )

Definition at line 117 of file mpegvideo_altivec.c.

Referenced by dct_init().

void ff_mpv_common_init_x86 ( MpegEncContext *  s )

Definition at line 447 of file mpegvideo.c.

Referenced by dct_init().

int ff_mpv_common_frame_size_change ( MpegEncContext *  s )

Definition at line 1458 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().

void ff_mpv_common_end ( MpegEncContext *  s )

Definition at line 1534 of file mpegvideo.c.

Referenced by ff_h263_decode_end(), ff_mpv_common_frame_size_change(), ff_mpv_common_init(), ff_mpv_encode_end(), ff_rv34_decode_end(), ff_rv34_decode_init(), ff_rv34_decode_init_thread_copy(), ff_vc1_decode_end(), h261_decode_end(), h261_decode_frame(), mpeg_decode_end(), rv10_decode_end(), rv20_decode_picture_header(), svq1_encode_end(), vc1_decode_frame(), and vcr2_init_sequence().

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.

Definition at line 1113 of file mpegvideo.c.

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

void ff_mpv_decode_init ( MpegEncContext *  s,
AVCodecContext *  avctx 
)

Definition at line 1118 of file mpegvideo.c.

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] 
)

Definition at line 3284 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().

void ff_mpv_report_decode_progress ( MpegEncContext *  s )

Definition at line 3409 of file mpegvideo.c.

Referenced by decode_slice(), and mpeg_decode_slice().

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 1769 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().

void ff_mpv_frame_end ( MpegEncContext *  s )

Definition at line 1996 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().

int ff_mpv_lowest_referenced_row ( MpegEncContext *  s,
int  dir 
)

find the lowest MB row referenced in the MVs

Definition at line 2932 of file mpegvideo.c.

Referenced by mpv_decode_mb_internal().

int ff_mpv_encode_init ( AVCodecContext *  avctx )

Definition at line 255 of file mpegvideo_enc.c.

Referenced by encode_init(), and wmv2_encode_init().

void ff_mpv_encode_init_x86 ( MpegEncContext *  s )
int ff_mpv_encode_end ( AVCodecContext *  avctx )

Definition at line 1003 of file mpegvideo_enc.c.

Referenced by ff_mpv_encode_init(), and mpeg12_class().

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

Definition at line 1704 of file mpegvideo_enc.c.

Referenced by amv_encode_picture(), and mpeg12_class().

void ff_clean_intra_table_entries ( MpegEncContext *  s )

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

Definition at line 2997 of file mpegvideo.c.

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

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

Definition at line 3296 of file mpegvideo.c.

Referenced by decode_slice(), dxva2_mpeg2_end_frame(), dxva2_vc1_end_frame(), ff_intrax8_decode_picture(), 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_flush ( AVCodecContext *  avctx )

Definition at line 3364 of file mpegvideo.c.

Referenced by decode_wmv9(), and flush().

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

Definition at line 2527 of file mpegvideo.c.

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,
AVFrame *  pict,
uint8_t *  mbskip_table,
uint32_t *  mbtype_table,
int8_t *  qscale_table,
int16_t(*[2])  motion_val[2],
int *  low_delay,
int  mb_width,
int  mb_height,
int  mb_stride,
int  quarter_sample 
)

Print debugging info for the given picture.

Definition at line 2151 of file mpegvideo.c.

Referenced by ff_print_debug_info(), and h264_decode_frame().

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

Definition at line 2534 of file mpegvideo.c.

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

void ff_write_quant_matrix ( PutBitContext *  pb,
uint16_t *  matrix 
)

Definition at line 170 of file mpegvideo_enc.c.

Referenced by mpeg1_encode_sequence_header(), and mpeg4_encode_vol_header().

int ff_find_unused_picture ( MpegEncContext *  s,
int  shared 
)

Definition at line 1735 of file mpegvideo.c.

Referenced by ff_h263_decode_frame(), ff_mpv_frame_start(), load_input_picture(), and select_input_picture().

int ff_update_duplicate_context ( MpegEncContext *  dst,
MpegEncContext *  src 
)

Definition at line 920 of file mpegvideo.c.

Referenced by decode_chunks(), and encode_picture().

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

Definition at line 945 of file mpegvideo.c.

Referenced by ff_rv34_decode_update_thread_context(), mpeg4_update_thread_context(), and mpeg_decode_update_thread_context().

void ff_set_qscale ( MpegEncContext *  s,
int  qscale 
)

set qscale and update qscale dependent variables.

Definition at line 3395 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().

void ff_mpv_idct_init ( MpegEncContext *  s )

Definition at line 427 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(), ff_rv34_decode_init_thread_copy(), h261_decode_frame(), mpeg_decode_init(), rv10_decode_init(), and vcr2_init_sequence().

int ff_dct_encode_init ( MpegEncContext *  s )

Definition at line 237 of file mpegvideo_enc.c.

Referenced by dnxhd_encode_init(), and ff_mpv_encode_init().

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 81 of file mpegvideo_enc.c.

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

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

Definition at line 4472 of file mpegvideo_enc.c.

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

void ff_init_block_index ( MpegEncContext *  s )

Definition at line 3303 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().

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 972 of file mpegvideo_motion.c.

Referenced by encode_mb_internal(), and mpv_decode_mb_internal().

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

Definition at line 652 of file mpegvideo.c.

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!

Definition at line 3343 of file mpegvideo.c.

Referenced by ff_dct_quantize_c().

static void ff_update_block_index ( MpegEncContext *  s )
inlinestatic

Definition at line 819 of file mpegvideo.h.

Referenced by decode_slice(), encode_thread(), ff_h261_reorder_mb_index(), ff_vc1_apply_p_loop_filter(), 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().

static int get_bits_diff ( MpegEncContext *  s )
inlinestatic

Definition at line 833 of file mpegvideo.h.

Referenced by ff_h263_encode_mb(), ff_mjpeg_encode_mb(), ff_mpeg4_encode_mb(), ff_msmpeg4_encode_mb(), ff_wmv2_encode_mb(), mpeg1_encode_mb_internal(), and write_slice_end().

static int ff_h263_round_chroma ( int  x )
inlinestatic

Definition at line 842 of file mpegvideo.h.

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

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

Definition at line 887 of file motion_est.c.

Referenced by estimate_motion_thread(), and svq1_encode_plane().

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

Definition at line 1511 of file motion_est.c.

Referenced by estimate_motion_thread().

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

Definition at line 1619 of file motion_est.c.

Referenced by encode_picture().

void ff_fix_long_p_mvs ( MpegEncContext *  s )

Definition at line 1672 of file motion_est.c.

Referenced by encode_picture(), and svq1_encode_plane().

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

Definition at line 1722 of file motion_est.c.

Referenced by encode_picture(), and svq1_encode_plane().

int ff_init_me ( MpegEncContext *  s )

Definition at line 304 of file motion_est.c.

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

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

Definition at line 1072 of file motion_est.c.

Referenced by pre_estimate_motion_thread().

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 
)

Definition at line 974 of file motion_est_template.c.

Referenced by direct_search(), encode_q_branch(), estimate_motion_b(), ff_estimate_p_frame_motion(), and ff_pre_estimate_p_frame_motion().

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

Definition at line 191 of file motion_est_template.c.

Referenced by encode_q_branch().

void ff_mpeg1_encode_picture_header ( MpegEncContext *  s,
int  picture_number 
)

Definition at line 426 of file mpeg12enc.c.

Referenced by encode_picture().

void ff_mpeg1_encode_mb ( MpegEncContext *  s,
int16_t  block[8][64],
int  motion_x,
int  motion_y 
)

Definition at line 998 of file mpeg12enc.c.

Referenced by encode_mb_internal().

void ff_mpeg1_encode_init ( MpegEncContext *  s )

Definition at line 1007 of file mpeg12enc.c.

Referenced by ff_mpv_encode_init().

void ff_mpeg1_encode_slice_header ( MpegEncContext *  s )

Definition at line 412 of file mpeg12enc.c.

Referenced by encode_thread(), and ff_mpeg1_encode_picture_header().

int ff_rv10_encode_picture_header ( MpegEncContext *  s,
int  picture_number 
)

Definition at line 31 of file rv10enc.c.

Referenced by encode_picture().

int ff_rv_decode_dc ( MpegEncContext *  s,
int  n 
)

Definition at line 194 of file rv10.c.

Referenced by h263_decode_block().

void ff_rv20_encode_picture_header ( MpegEncContext *  s,
int  picture_number 
)

Definition at line 32 of file rv20enc.c.

Referenced by encode_picture().

void ff_msmpeg4_encode_picture_header ( MpegEncContext *  s,
int  picture_number 
)

Definition at line 223 of file msmpeg4enc.c.

Referenced by encode_picture().

void ff_msmpeg4_encode_ext_header ( MpegEncContext *  s )

Definition at line 283 of file msmpeg4enc.c.

Referenced by encode_thread(), and ff_msmpeg4_encode_picture_header().

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

Definition at line 380 of file msmpeg4enc.c.

Referenced by encode_mb_internal().

int ff_msmpeg4_decode_picture_header ( MpegEncContext *  s )

Definition at line 396 of file msmpeg4dec.c.

Referenced by ff_h263_decode_frame().

int ff_msmpeg4_decode_ext_header ( MpegEncContext *  s,
int  buf_size 
)

Definition at line 551 of file msmpeg4dec.c.

Referenced by ff_h263_decode_frame(), and ff_msmpeg4_decode_picture_header().

int ff_msmpeg4_decode_init ( AVCodecContext *  avctx )

Definition at line 286 of file msmpeg4dec.c.

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

int ff_msmpeg4_encode_init ( MpegEncContext *  s )

Definition at line 120 of file msmpeg4enc.c.

Referenced by ff_mpv_encode_init().

int ff_wmv2_decode_picture_header ( MpegEncContext *  s )

Definition at line 119 of file wmv2dec.c.

Referenced by ff_h263_decode_frame().

int ff_wmv2_decode_secondary_picture_header ( MpegEncContext *  s )

Definition at line 139 of file wmv2dec.c.

Referenced by ff_h263_decode_frame().

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

Definition at line 81 of file wmv2.c.

Referenced by mpv_decode_mb_internal().

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 
)

Definition at line 98 of file wmv2.c.

Referenced by mpv_motion_internal().

int ff_wmv2_encode_picture_header ( MpegEncContext *  s,
int  picture_number 
)

Definition at line 73 of file wmv2enc.c.

Referenced by encode_picture().

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

Definition at line 146 of file wmv2enc.c.

Referenced by encode_mb_internal().

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

Definition at line 776 of file mpegvideo.c.

Referenced by ff_mpeg_update_thread_context(), ff_mpv_frame_start(), frame_start(), and select_input_picture().

void ff_mpeg_unref_picture ( MpegEncContext *  s,
Picture *  picture 
)

Deallocate a picture.

Definition at line 709 of file mpegvideo.c.

Referenced by alloc_frame_buffer(), ff_alloc_picture(), ff_find_unused_picture(), ff_mpeg_flush(), ff_mpeg_ref_picture(), ff_mpeg_update_thread_context(), ff_mpv_common_end(), ff_mpv_encode_end(), ff_mpv_encode_picture(), ff_mpv_frame_start(), frame_start(), release_unused_pictures(), and select_input_picture().

void ff_free_picture_tables ( Picture *  pic )

Definition at line 561 of file mpegvideo.c.

Referenced by ff_alloc_picture(), ff_find_unused_picture(), ff_mpeg_unref_picture(), ff_mpv_common_end(), and ff_mpv_encode_end().

Variable Documentation

const uint8_t ff_alternate_horizontal_scan[64]

Definition at line 111 of file mpegvideo.c.

Referenced by ff_mpv_idct_init().

const uint8_t ff_alternate_vertical_scan[64]

Definition at line 122 of file mpegvideo.c.

Referenced by ff_mpv_idct_init(), and mpeg_decode_picture_coding_extension().

const AVOption ff_mpv_generic_options[]

Definition at line 76 of file mpegvideo_enc.c.

const uint8_t ff_mpeg1_dc_scale_table[128]

Definition at line 56 of file mpegvideo.c.

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_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]

Definition at line 104 of file mpegvideo.c.

Referenced by encode_picture(), and ff_mpeg12_common_init().

const uint8_t ff_aic_dc_scale_table[32]

Definition at line 248 of file h263data.h.

Referenced by ff_flv_encode_picture_header(), ff_h263_decode_picture_header(), ff_h263_encode_init(), ff_rv20_encode_picture_header(), and rv10_decode_packet().

const uint8_t ff_h263_chroma_qscale_table[32]

Definition at line 262 of file h263data.h.

Referenced by ff_h263_decode_picture_header(), ff_mpv_encode_init(), and rv10_decode_packet().

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