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00028 #ifndef AVCODEC_MPEGVIDEO_H
00029 #define AVCODEC_MPEGVIDEO_H
00030
00031 #include "dsputil.h"
00032 #include "get_bits.h"
00033 #include "put_bits.h"
00034 #include "ratecontrol.h"
00035 #include "parser.h"
00036 #include "mpeg12data.h"
00037 #include "rl.h"
00038
00039 #define FRAME_SKIPPED 100
00040
00041 enum OutputFormat {
00042 FMT_MPEG1,
00043 FMT_H261,
00044 FMT_H263,
00045 FMT_MJPEG,
00046 FMT_H264,
00047 };
00048
00049 #define MPEG_BUF_SIZE (16 * 1024)
00050
00051 #define QMAT_SHIFT_MMX 16
00052 #define QMAT_SHIFT 22
00053
00054 #define MAX_FCODE 7
00055 #define MAX_MV 2048
00056
00057 #define MAX_THREADS 16
00058
00059 #define MAX_PICTURE_COUNT 32
00060
00061 #define ME_MAP_SIZE 64
00062 #define ME_MAP_SHIFT 3
00063 #define ME_MAP_MV_BITS 11
00064
00065 #define MAX_MB_BYTES (30*16*16*3/8 + 120)
00066
00067 #define INPLACE_OFFSET 16
00068
00069
00070 #define SEQ_END_CODE 0x000001b7
00071 #define SEQ_START_CODE 0x000001b3
00072 #define GOP_START_CODE 0x000001b8
00073 #define PICTURE_START_CODE 0x00000100
00074 #define SLICE_MIN_START_CODE 0x00000101
00075 #define SLICE_MAX_START_CODE 0x000001af
00076 #define EXT_START_CODE 0x000001b5
00077 #define USER_START_CODE 0x000001b2
00078
00082 typedef struct Picture{
00083 FF_COMMON_FRAME
00084
00088 uint8_t *interpolated[3];
00089 int16_t (*motion_val_base[2])[2];
00090 uint32_t *mb_type_base;
00091 #define MB_TYPE_INTRA MB_TYPE_INTRA4x4 //default mb_type if there is just one type
00092 #define IS_INTRA4x4(a) ((a)&MB_TYPE_INTRA4x4)
00093 #define IS_INTRA16x16(a) ((a)&MB_TYPE_INTRA16x16)
00094 #define IS_PCM(a) ((a)&MB_TYPE_INTRA_PCM)
00095 #define IS_INTRA(a) ((a)&7)
00096 #define IS_INTER(a) ((a)&(MB_TYPE_16x16|MB_TYPE_16x8|MB_TYPE_8x16|MB_TYPE_8x8))
00097 #define IS_SKIP(a) ((a)&MB_TYPE_SKIP)
00098 #define IS_INTRA_PCM(a) ((a)&MB_TYPE_INTRA_PCM)
00099 #define IS_INTERLACED(a) ((a)&MB_TYPE_INTERLACED)
00100 #define IS_DIRECT(a) ((a)&MB_TYPE_DIRECT2)
00101 #define IS_GMC(a) ((a)&MB_TYPE_GMC)
00102 #define IS_16X16(a) ((a)&MB_TYPE_16x16)
00103 #define IS_16X8(a) ((a)&MB_TYPE_16x8)
00104 #define IS_8X16(a) ((a)&MB_TYPE_8x16)
00105 #define IS_8X8(a) ((a)&MB_TYPE_8x8)
00106 #define IS_SUB_8X8(a) ((a)&MB_TYPE_16x16) //note reused
00107 #define IS_SUB_8X4(a) ((a)&MB_TYPE_16x8) //note reused
00108 #define IS_SUB_4X8(a) ((a)&MB_TYPE_8x16) //note reused
00109 #define IS_SUB_4X4(a) ((a)&MB_TYPE_8x8) //note reused
00110 #define IS_ACPRED(a) ((a)&MB_TYPE_ACPRED)
00111 #define IS_QUANT(a) ((a)&MB_TYPE_QUANT)
00112 #define IS_DIR(a, part, list) ((a) & (MB_TYPE_P0L0<<((part)+2*(list))))
00113 #define USES_LIST(a, list) ((a) & ((MB_TYPE_P0L0|MB_TYPE_P1L0)<<(2*(list))))
00114 #define HAS_CBP(a) ((a)&MB_TYPE_CBP)
00115
00116 int field_poc[2];
00117 int poc;
00118 int frame_num;
00119 int mmco_reset;
00120 int pic_id;
00122 int long_ref;
00123 int ref_poc[2][2][16];
00124 int ref_count[2][2];
00125 int mbaff;
00126 int field_picture;
00127
00128 int mb_var_sum;
00129 int mc_mb_var_sum;
00130 uint16_t *mb_var;
00131 uint16_t *mc_mb_var;
00132 uint8_t *mb_mean;
00133 int32_t *mb_cmp_score;
00134 int b_frame_score;
00135 } Picture;
00136
00137 struct MpegEncContext;
00138
00142 typedef struct MotionEstContext{
00143 AVCodecContext *avctx;
00144 int skip;
00145 int co_located_mv[4][2];
00146 int direct_basis_mv[4][2];
00147 uint8_t *scratchpad;
00148 uint8_t *best_mb;
00149 uint8_t *temp_mb[2];
00150 uint8_t *temp;
00151 int best_bits;
00152 uint32_t *map;
00153 uint32_t *score_map;
00154 int map_generation;
00155 int pre_penalty_factor;
00156 int penalty_factor;
00161 int sub_penalty_factor;
00162 int mb_penalty_factor;
00163 int flags;
00164 int sub_flags;
00165 int mb_flags;
00166 int pre_pass;
00167 int dia_size;
00168 int xmin;
00169 int xmax;
00170 int ymin;
00171 int ymax;
00172 int pred_x;
00173 int pred_y;
00174 uint8_t *src[4][4];
00175 uint8_t *ref[4][4];
00176 int stride;
00177 int uvstride;
00178
00179 int mc_mb_var_sum_temp;
00180 int mb_var_sum_temp;
00181 int scene_change_score;
00182
00183 op_pixels_func (*hpel_put)[4];
00184 op_pixels_func (*hpel_avg)[4];
00185 qpel_mc_func (*qpel_put)[16];
00186 qpel_mc_func (*qpel_avg)[16];
00187 uint8_t (*mv_penalty)[MAX_MV*2+1];
00188 uint8_t *current_mv_penalty;
00189 int (*sub_motion_search)(struct MpegEncContext * s,
00190 int *mx_ptr, int *my_ptr, int dmin,
00191 int src_index, int ref_index,
00192 int size, int h);
00193 }MotionEstContext;
00194
00198 typedef struct MpegEncContext {
00199 struct AVCodecContext *avctx;
00200
00201 int width, height;
00202 int gop_size;
00203 int intra_only;
00204 int bit_rate;
00205 enum OutputFormat out_format;
00206 int h263_pred;
00207 int pb_frame;
00208
00209
00210 int h263_plus;
00211 int h263_msmpeg4;
00212 int h263_flv;
00213
00214 enum CodecID codec_id;
00215 int fixed_qscale;
00216 int encoding;
00217 int flags;
00218 int flags2;
00219 int max_b_frames;
00220 int luma_elim_threshold;
00221 int chroma_elim_threshold;
00222 int strict_std_compliance;
00223 int workaround_bugs;
00224 int codec_tag;
00225 int stream_codec_tag;
00226
00227
00228
00229 int context_initialized;
00230 int input_picture_number;
00231 int coded_picture_number;
00232 int picture_number;
00233 int picture_in_gop_number;
00234 int b_frames_since_non_b;
00235 int64_t user_specified_pts;
00236 int mb_width, mb_height;
00237 int mb_stride;
00238 int b8_stride;
00239 int b4_stride;
00240 int h_edge_pos, v_edge_pos;
00241 int mb_num;
00242 int linesize;
00243 int uvlinesize;
00244 Picture *picture;
00245 Picture **input_picture;
00246 Picture **reordered_input_picture;
00247
00248 int y_dc_scale, c_dc_scale;
00249 int ac_pred;
00250 int block_last_index[12];
00251 int h263_aic;
00252
00253
00254 ScanTable inter_scantable;
00255 ScanTable intra_scantable;
00256 ScanTable intra_h_scantable;
00257 ScanTable intra_v_scantable;
00258
00259
00260
00261
00263 PutBitContext pb;
00264
00265 int start_mb_y;
00266 int end_mb_y;
00267 struct MpegEncContext *thread_context[MAX_THREADS];
00268
00273 Picture last_picture;
00274
00279 Picture next_picture;
00280
00285 Picture new_picture;
00286
00291 Picture current_picture;
00292
00293 Picture *last_picture_ptr;
00294 Picture *next_picture_ptr;
00295 Picture *current_picture_ptr;
00296 int picture_count;
00297 int picture_range_start, picture_range_end;
00298 uint8_t *visualization_buffer[3];
00299 int last_dc[3];
00300 int16_t *dc_val_base;
00301 int16_t *dc_val[3];
00302 int16_t dc_cache[4*5];
00303 const uint8_t *y_dc_scale_table;
00304 const uint8_t *c_dc_scale_table;
00305 const uint8_t *chroma_qscale_table;
00306 uint8_t *coded_block_base;
00307 uint8_t *coded_block;
00308 int16_t (*ac_val_base)[16];
00309 int16_t (*ac_val[3])[16];
00310 uint8_t *prev_pict_types;
00311 #define PREV_PICT_TYPES_BUFFER_SIZE 256
00312 int mb_skipped;
00313 uint8_t *mbskip_table;
00315 uint8_t *mbintra_table;
00316 uint8_t *cbp_table;
00317 uint8_t *pred_dir_table;
00318 uint8_t *allocated_edge_emu_buffer;
00319 uint8_t *edge_emu_buffer;
00320 uint8_t *rd_scratchpad;
00321 uint8_t *obmc_scratchpad;
00322 uint8_t *b_scratchpad;
00323
00324 int qscale;
00325 int chroma_qscale;
00326 unsigned int lambda;
00327 unsigned int lambda2;
00328 int *lambda_table;
00329 int adaptive_quant;
00330 int dquant;
00331 int closed_gop;
00332 int pict_type;
00333 int last_pict_type;
00334 int last_non_b_pict_type;
00335 int dropable;
00336 int frame_rate_index;
00337 int last_lambda_for[5];
00338 int skipdct;
00339
00340
00341 int unrestricted_mv;
00342 int h263_long_vectors;
00343 int decode;
00344
00345 DSPContext dsp;
00346 int f_code;
00347 int b_code;
00348 int16_t (*p_mv_table_base)[2];
00349 int16_t (*b_forw_mv_table_base)[2];
00350 int16_t (*b_back_mv_table_base)[2];
00351 int16_t (*b_bidir_forw_mv_table_base)[2];
00352 int16_t (*b_bidir_back_mv_table_base)[2];
00353 int16_t (*b_direct_mv_table_base)[2];
00354 int16_t (*p_field_mv_table_base[2][2])[2];
00355 int16_t (*b_field_mv_table_base[2][2][2])[2];
00356 int16_t (*p_mv_table)[2];
00357 int16_t (*b_forw_mv_table)[2];
00358 int16_t (*b_back_mv_table)[2];
00359 int16_t (*b_bidir_forw_mv_table)[2];
00360 int16_t (*b_bidir_back_mv_table)[2];
00361 int16_t (*b_direct_mv_table)[2];
00362 int16_t (*p_field_mv_table[2][2])[2];
00363 int16_t (*b_field_mv_table[2][2][2])[2];
00364 uint8_t (*p_field_select_table[2]);
00365 uint8_t (*b_field_select_table[2][2]);
00366 int me_method;
00367 int mv_dir;
00368 #define MV_DIR_FORWARD 1
00369 #define MV_DIR_BACKWARD 2
00370 #define MV_DIRECT 4
00371 int mv_type;
00372 #define MV_TYPE_16X16 0
00373 #define MV_TYPE_8X8 1
00374 #define MV_TYPE_16X8 2
00375 #define MV_TYPE_FIELD 3
00376 #define MV_TYPE_DMV 4
00377
00382 int mv[2][4][2];
00383 int field_select[2][2];
00384 int last_mv[2][2][2];
00385 uint8_t *fcode_tab;
00386 int16_t direct_scale_mv[2][64];
00387
00388 MotionEstContext me;
00389
00390 int no_rounding;
00393 int hurry_up;
00396
00397 int mb_x, mb_y;
00398 int mb_skip_run;
00399 int mb_intra;
00400 uint16_t *mb_type;
00401 #define CANDIDATE_MB_TYPE_INTRA 0x01
00402 #define CANDIDATE_MB_TYPE_INTER 0x02
00403 #define CANDIDATE_MB_TYPE_INTER4V 0x04
00404 #define CANDIDATE_MB_TYPE_SKIPPED 0x08
00405
00406
00407 #define CANDIDATE_MB_TYPE_DIRECT 0x10
00408 #define CANDIDATE_MB_TYPE_FORWARD 0x20
00409 #define CANDIDATE_MB_TYPE_BACKWARD 0x40
00410 #define CANDIDATE_MB_TYPE_BIDIR 0x80
00411
00412 #define CANDIDATE_MB_TYPE_INTER_I 0x100
00413 #define CANDIDATE_MB_TYPE_FORWARD_I 0x200
00414 #define CANDIDATE_MB_TYPE_BACKWARD_I 0x400
00415 #define CANDIDATE_MB_TYPE_BIDIR_I 0x800
00416
00417 #define CANDIDATE_MB_TYPE_DIRECT0 0x1000
00418
00419 int block_index[6];
00420 int block_wrap[6];
00421 uint8_t *dest[3];
00422
00423 int *mb_index2xy;
00424
00426 uint16_t intra_matrix[64];
00427 uint16_t chroma_intra_matrix[64];
00428 uint16_t inter_matrix[64];
00429 uint16_t chroma_inter_matrix[64];
00430 #define QUANT_BIAS_SHIFT 8
00431 int intra_quant_bias;
00432 int inter_quant_bias;
00433 int min_qcoeff;
00434 int max_qcoeff;
00435 int ac_esc_length;
00436 uint8_t *intra_ac_vlc_length;
00437 uint8_t *intra_ac_vlc_last_length;
00438 uint8_t *inter_ac_vlc_length;
00439 uint8_t *inter_ac_vlc_last_length;
00440 uint8_t *luma_dc_vlc_length;
00441 uint8_t *chroma_dc_vlc_length;
00442 #define UNI_AC_ENC_INDEX(run,level) ((run)*128 + (level))
00443
00444 int coded_score[8];
00445
00447 int (*q_intra_matrix)[64];
00448 int (*q_inter_matrix)[64];
00450 uint16_t (*q_intra_matrix16)[2][64];
00451 uint16_t (*q_inter_matrix16)[2][64];
00452
00453
00454 int (*dct_error_sum)[64];
00455 int dct_count[2];
00456 uint16_t (*dct_offset)[64];
00457
00458 void *opaque;
00459
00460
00461 int64_t wanted_bits;
00462 int64_t total_bits;
00463 int frame_bits;
00464 int next_lambda;
00465 RateControlContext rc_context;
00466
00467
00468 int mv_bits;
00469 int header_bits;
00470 int i_tex_bits;
00471 int p_tex_bits;
00472 int i_count;
00473 int f_count;
00474 int b_count;
00475 int skip_count;
00476 int misc_bits;
00477 int last_bits;
00478
00479
00480 int error_count;
00481 uint8_t *error_status_table;
00482 #define VP_START 1
00483 #define AC_ERROR 2
00484 #define DC_ERROR 4
00485 #define MV_ERROR 8
00486 #define AC_END 16
00487 #define DC_END 32
00488 #define MV_END 64
00489
00490
00491 int resync_mb_x;
00492 int resync_mb_y;
00493 GetBitContext last_resync_gb;
00494 int mb_num_left;
00495 int next_p_frame_damaged;
00496 int error_recognition;
00497
00498 ParseContext parse_context;
00499
00500
00501 int gob_index;
00502 int obmc;
00503 int showed_packed_warning;
00504
00505
00506 int umvplus;
00507 int h263_aic_dir;
00508 int h263_slice_structured;
00509 int alt_inter_vlc;
00510 int modified_quant;
00511 int loop_filter;
00512 int custom_pcf;
00513
00514
00515 int time_increment_bits;
00516 int last_time_base;
00517 int time_base;
00518 int64_t time;
00519 int64_t last_non_b_time;
00520 uint16_t pp_time;
00521 uint16_t pb_time;
00522 uint16_t pp_field_time;
00523 uint16_t pb_field_time;
00524 int shape;
00525 int vol_sprite_usage;
00526 int sprite_width;
00527 int sprite_height;
00528 int sprite_left;
00529 int sprite_top;
00530 int sprite_brightness_change;
00531 int num_sprite_warping_points;
00532 int real_sprite_warping_points;
00533 uint16_t sprite_traj[4][2];
00534 int sprite_offset[2][2];
00535 int sprite_delta[2][2];
00536 int sprite_shift[2];
00537 int mcsel;
00538 int quant_precision;
00539 int quarter_sample;
00540 int scalability;
00541 int hierachy_type;
00542 int enhancement_type;
00543 int new_pred;
00544 int reduced_res_vop;
00545 int aspect_ratio_info;
00546 int sprite_warping_accuracy;
00547 int low_latency_sprite;
00548 int data_partitioning;
00549 int partitioned_frame;
00550 int rvlc;
00551 int resync_marker;
00552 int low_delay;
00553 int vo_type;
00554 int vol_control_parameters;
00555 int intra_dc_threshold;
00556 int use_intra_dc_vlc;
00557 PutBitContext tex_pb;
00558 PutBitContext pb2;
00559 int mpeg_quant;
00560 int t_frame;
00561 int padding_bug_score;
00562 int cplx_estimation_trash_i;
00563 int cplx_estimation_trash_p;
00564 int cplx_estimation_trash_b;
00565
00566
00567 int divx_version;
00568 int divx_build;
00569 int divx_packed;
00570 uint8_t *bitstream_buffer;
00571 int bitstream_buffer_size;
00572 unsigned int allocated_bitstream_buffer_size;
00573
00574 int xvid_build;
00575
00576
00577 int lavc_build;
00578
00579
00580 int rv10_version;
00581 int rv10_first_dc_coded[3];
00582 int orig_width, orig_height;
00583
00584
00585 struct MJpegContext *mjpeg_ctx;
00586 int mjpeg_vsample[3];
00587 int mjpeg_hsample[3];
00588
00589
00590 int mv_table_index;
00591 int rl_table_index;
00592 int rl_chroma_table_index;
00593 int dc_table_index;
00594 int use_skip_mb_code;
00595 int slice_height;
00596 int first_slice_line;
00597 int flipflop_rounding;
00598 int msmpeg4_version;
00599 int per_mb_rl_table;
00600 int esc3_level_length;
00601 int esc3_run_length;
00603 int (*ac_stats)[2][MAX_LEVEL+1][MAX_RUN+1][2];
00604 int inter_intra_pred;
00605 int mspel;
00606
00607
00608 GetBitContext gb;
00609
00610
00611 int gop_picture_number;
00612 int last_mv_dir;
00613 int broken_link;
00614 uint8_t *vbv_delay_ptr;
00615
00616
00617 int progressive_sequence;
00618 int mpeg_f_code[2][2];
00619 int picture_structure;
00620
00621 #define PICT_TOP_FIELD 1
00622 #define PICT_BOTTOM_FIELD 2
00623 #define PICT_FRAME 3
00624
00625 int intra_dc_precision;
00626 int frame_pred_frame_dct;
00627 int top_field_first;
00628 int concealment_motion_vectors;
00629 int q_scale_type;
00630 int intra_vlc_format;
00631 int alternate_scan;
00632 int repeat_first_field;
00633 int chroma_420_type;
00634 int chroma_format;
00635 #define CHROMA_420 1
00636 #define CHROMA_422 2
00637 #define CHROMA_444 3
00638 int chroma_x_shift;
00639 int chroma_y_shift;
00640
00641 int progressive_frame;
00642 int full_pel[2];
00643 int interlaced_dct;
00644 int first_slice;
00645 int first_field;
00646
00647
00648 int rtp_mode;
00649
00650 uint8_t *ptr_lastgob;
00651 int swap_uv;
00652 DCTELEM (*pblocks[12])[64];
00653
00654 DCTELEM (*block)[64];
00655 DCTELEM (*blocks)[8][64];
00656 int (*decode_mb)(struct MpegEncContext *s, DCTELEM block[6][64]);
00657 #define SLICE_OK 0
00658 #define SLICE_ERROR -1
00659 #define SLICE_END -2
00660 #define SLICE_NOEND -3
00661
00662 void (*dct_unquantize_mpeg1_intra)(struct MpegEncContext *s,
00663 DCTELEM *block, int n, int qscale);
00664 void (*dct_unquantize_mpeg1_inter)(struct MpegEncContext *s,
00665 DCTELEM *block, int n, int qscale);
00666 void (*dct_unquantize_mpeg2_intra)(struct MpegEncContext *s,
00667 DCTELEM *block, int n, int qscale);
00668 void (*dct_unquantize_mpeg2_inter)(struct MpegEncContext *s,
00669 DCTELEM *block, int n, int qscale);
00670 void (*dct_unquantize_h263_intra)(struct MpegEncContext *s,
00671 DCTELEM *block, int n, int qscale);
00672 void (*dct_unquantize_h263_inter)(struct MpegEncContext *s,
00673 DCTELEM *block, int n, int qscale);
00674 void (*dct_unquantize_h261_intra)(struct MpegEncContext *s,
00675 DCTELEM *block, int n, int qscale);
00676 void (*dct_unquantize_h261_inter)(struct MpegEncContext *s,
00677 DCTELEM *block, int n, int qscale);
00678 void (*dct_unquantize_intra)(struct MpegEncContext *s,
00679 DCTELEM *block, int n, int qscale);
00680 void (*dct_unquantize_inter)(struct MpegEncContext *s,
00681 DCTELEM *block, int n, int qscale);
00682 int (*dct_quantize)(struct MpegEncContext *s, DCTELEM *block, int n, int qscale, int *overflow);
00683 int (*fast_dct_quantize)(struct MpegEncContext *s, DCTELEM *block, int n, int qscale, int *overflow);
00684 void (*denoise_dct)(struct MpegEncContext *s, DCTELEM *block);
00685 } MpegEncContext;
00686
00687 #define REBASE_PICTURE(pic, new_ctx, old_ctx) (pic ? &new_ctx->picture[pic - old_ctx->picture] : NULL)
00688
00689 void MPV_decode_defaults(MpegEncContext *s);
00690 int MPV_common_init(MpegEncContext *s);
00691 void MPV_common_end(MpegEncContext *s);
00692 void MPV_decode_mb(MpegEncContext *s, DCTELEM block[12][64]);
00693 int MPV_frame_start(MpegEncContext *s, AVCodecContext *avctx);
00694 void MPV_frame_end(MpegEncContext *s);
00695 int MPV_encode_init(AVCodecContext *avctx);
00696 int MPV_encode_end(AVCodecContext *avctx);
00697 int MPV_encode_picture(AVCodecContext *avctx, unsigned char *buf, int buf_size, void *data);
00698 void MPV_common_init_mmx(MpegEncContext *s);
00699 void MPV_common_init_axp(MpegEncContext *s);
00700 void MPV_common_init_mlib(MpegEncContext *s);
00701 void MPV_common_init_mmi(MpegEncContext *s);
00702 void MPV_common_init_arm(MpegEncContext *s);
00703 void MPV_common_init_altivec(MpegEncContext *s);
00704 void MPV_common_init_bfin(MpegEncContext *s);
00705 void ff_clean_intra_table_entries(MpegEncContext *s);
00706 void ff_draw_horiz_band(MpegEncContext *s, int y, int h);
00707 void ff_mpeg_flush(AVCodecContext *avctx);
00708 void ff_print_debug_info(MpegEncContext *s, AVFrame *pict);
00709 void ff_write_quant_matrix(PutBitContext *pb, uint16_t *matrix);
00710 int ff_find_unused_picture(MpegEncContext *s, int shared);
00711 void ff_denoise_dct(MpegEncContext *s, DCTELEM *block);
00712 void ff_update_duplicate_context(MpegEncContext *dst, MpegEncContext *src);
00713 int MPV_lowest_referenced_row(MpegEncContext *s, int dir);
00714 void MPV_report_decode_progress(MpegEncContext *s);
00715 int ff_mpeg_update_thread_context(AVCodecContext *dst, const AVCodecContext *src);
00716 const uint8_t *ff_find_start_code(const uint8_t *p, const uint8_t *end, uint32_t *state);
00717 void ff_set_qscale(MpegEncContext * s, int qscale);
00718
00719 void ff_er_frame_start(MpegEncContext *s);
00720 void ff_er_frame_end(MpegEncContext *s);
00721 void ff_er_add_slice(MpegEncContext *s, int startx, int starty, int endx, int endy, int status);
00722
00723 int ff_dct_common_init(MpegEncContext *s);
00724 void ff_convert_matrix(DSPContext *dsp, int (*qmat)[64], uint16_t (*qmat16)[2][64],
00725 const uint16_t *quant_matrix, int bias, int qmin, int qmax, int intra);
00726
00727 void ff_init_block_index(MpegEncContext *s);
00728 void ff_copy_picture(Picture *dst, Picture *src);
00729
00734 int ff_alloc_picture(MpegEncContext *s, Picture *pic, int shared);
00735
00736 extern const enum PixelFormat ff_pixfmt_list_420[];
00737 extern const enum PixelFormat ff_hwaccel_pixfmt_list_420[];
00738
00739 static inline void ff_update_block_index(MpegEncContext *s){
00740 const int block_size= 8>>s->avctx->lowres;
00741
00742 s->block_index[0]+=2;
00743 s->block_index[1]+=2;
00744 s->block_index[2]+=2;
00745 s->block_index[3]+=2;
00746 s->block_index[4]++;
00747 s->block_index[5]++;
00748 s->dest[0]+= 2*block_size;
00749 s->dest[1]+= block_size;
00750 s->dest[2]+= block_size;
00751 }
00752
00753 static inline int get_bits_diff(MpegEncContext *s){
00754 const int bits= put_bits_count(&s->pb);
00755 const int last= s->last_bits;
00756
00757 s->last_bits = bits;
00758
00759 return bits - last;
00760 }
00761
00762 static inline int ff_h263_round_chroma(int x){
00763 static const uint8_t h263_chroma_roundtab[16] = {
00764
00765 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1,
00766 };
00767 return h263_chroma_roundtab[x & 0xf] + (x >> 3);
00768 }
00769
00770
00771 void ff_estimate_p_frame_motion(MpegEncContext * s,
00772 int mb_x, int mb_y);
00773 void ff_estimate_b_frame_motion(MpegEncContext * s,
00774 int mb_x, int mb_y);
00775 int ff_get_best_fcode(MpegEncContext * s, int16_t (*mv_table)[2], int type);
00776 void ff_fix_long_p_mvs(MpegEncContext * s);
00777 void ff_fix_long_mvs(MpegEncContext * s, uint8_t *field_select_table, int field_select,
00778 int16_t (*mv_table)[2], int f_code, int type, int truncate);
00779 int ff_init_me(MpegEncContext *s);
00780 int ff_pre_estimate_p_frame_motion(MpegEncContext * s, int mb_x, int mb_y);
00781 int ff_epzs_motion_search(MpegEncContext * s, int *mx_ptr, int *my_ptr,
00782 int P[10][2], int src_index, int ref_index, int16_t (*last_mv)[2],
00783 int ref_mv_scale, int size, int h);
00784 int ff_get_mb_score(MpegEncContext * s, int mx, int my, int src_index,
00785 int ref_index, int size, int h, int add_rate);
00786
00787
00788 extern const uint8_t ff_mpeg1_dc_scale_table[128];
00789 extern const uint8_t * const ff_mpeg2_dc_scale_table[4];
00790
00791 void mpeg1_encode_picture_header(MpegEncContext *s, int picture_number);
00792 void mpeg1_encode_mb(MpegEncContext *s,
00793 DCTELEM block[6][64],
00794 int motion_x, int motion_y);
00795 void ff_mpeg1_encode_init(MpegEncContext *s);
00796 void ff_mpeg1_encode_slice_header(MpegEncContext *s);
00797 void ff_mpeg1_clean_buffers(MpegEncContext *s);
00798 int ff_mpeg1_find_frame_end(ParseContext *pc, const uint8_t *buf, int buf_size, AVCodecParserContext *s);
00799
00800 extern const uint8_t ff_aic_dc_scale_table[32];
00801 extern const uint8_t ff_h263_chroma_qscale_table[32];
00802 extern const uint8_t ff_h263_loop_filter_strength[32];
00803
00804
00805 void ff_h261_loop_filter(MpegEncContext *s);
00806 void ff_h261_reorder_mb_index(MpegEncContext* s);
00807 void ff_h261_encode_mb(MpegEncContext *s,
00808 DCTELEM block[6][64],
00809 int motion_x, int motion_y);
00810 void ff_h261_encode_picture_header(MpegEncContext * s, int picture_number);
00811 void ff_h261_encode_init(MpegEncContext *s);
00812 int ff_h261_get_picture_format(int width, int height);
00813
00814
00815
00816 void rv10_encode_picture_header(MpegEncContext *s, int picture_number);
00817 int rv_decode_dc(MpegEncContext *s, int n);
00818 void rv20_encode_picture_header(MpegEncContext *s, int picture_number);
00819
00820
00821
00822 void msmpeg4_encode_picture_header(MpegEncContext * s, int picture_number);
00823 void msmpeg4_encode_ext_header(MpegEncContext * s);
00824 void msmpeg4_encode_mb(MpegEncContext * s,
00825 DCTELEM block[6][64],
00826 int motion_x, int motion_y);
00827 int msmpeg4_decode_picture_header(MpegEncContext * s);
00828 int msmpeg4_decode_ext_header(MpegEncContext * s, int buf_size);
00829 int ff_msmpeg4_decode_init(AVCodecContext *avctx);
00830 void ff_msmpeg4_encode_init(MpegEncContext *s);
00831 int ff_wmv2_decode_picture_header(MpegEncContext * s);
00832 int ff_wmv2_decode_secondary_picture_header(MpegEncContext * s);
00833 void ff_wmv2_add_mb(MpegEncContext *s, DCTELEM block[6][64], uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr);
00834 void ff_mspel_motion(MpegEncContext *s,
00835 uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
00836 uint8_t **ref_picture, op_pixels_func (*pix_op)[4],
00837 int motion_x, int motion_y, int h);
00838 int ff_wmv2_encode_picture_header(MpegEncContext * s, int picture_number);
00839 void ff_wmv2_encode_mb(MpegEncContext * s,
00840 DCTELEM block[6][64],
00841 int motion_x, int motion_y);
00842
00843 #endif
00844
