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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 ///< return value for header parsers if frame is not coded
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)))) ///< does this mb use listX, note does not work if subMBs
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
00127 int mb_var_sum;
00128 int mc_mb_var_sum;
00129 uint16_t *mb_var;
00130 uint16_t *mc_mb_var;
00131 uint8_t *mb_mean;
00132 int32_t *mb_cmp_score;
00133 int b_frame_score;
00134 } Picture;
00135
00136 struct MpegEncContext;
00137
00141 typedef struct MotionEstContext{
00142 AVCodecContext *avctx;
00143 int skip;
00144 int co_located_mv[4][2];
00145 int direct_basis_mv[4][2];
00146 uint8_t *scratchpad;
00147 uint8_t *best_mb;
00148 uint8_t *temp_mb[2];
00149 uint8_t *temp;
00150 int best_bits;
00151 uint32_t *map;
00152 uint32_t *score_map;
00153 int map_generation;
00154 int pre_penalty_factor;
00155 int penalty_factor;
00160 int sub_penalty_factor;
00161 int mb_penalty_factor;
00162 int flags;
00163 int sub_flags;
00164 int mb_flags;
00165 int pre_pass;
00166 int dia_size;
00167 int xmin;
00168 int xmax;
00169 int ymin;
00170 int ymax;
00171 int pred_x;
00172 int pred_y;
00173 uint8_t *src[4][4];
00174 uint8_t *ref[4][4];
00175 int stride;
00176 int uvstride;
00177
00178 int mc_mb_var_sum_temp;
00179 int mb_var_sum_temp;
00180 int scene_change_score;
00181
00182 op_pixels_func (*hpel_put)[4];
00183 op_pixels_func (*hpel_avg)[4];
00184 qpel_mc_func (*qpel_put)[16];
00185 qpel_mc_func (*qpel_avg)[16];
00186 uint8_t (*mv_penalty)[MAX_MV*2+1];
00187 uint8_t *current_mv_penalty;
00188 int (*sub_motion_search)(struct MpegEncContext * s,
00189 int *mx_ptr, int *my_ptr, int dmin,
00190 int src_index, int ref_index,
00191 int size, int h);
00192 }MotionEstContext;
00193
00197 typedef struct MpegEncContext {
00198 struct AVCodecContext *avctx;
00199
00200 int width, height;
00201 int gop_size;
00202 int intra_only;
00203 int bit_rate;
00204 enum OutputFormat out_format;
00205 int h263_pred;
00206 int pb_frame;
00207
00208
00209 int h263_plus;
00210 int h263_msmpeg4;
00211 int h263_flv;
00212
00213 enum CodecID codec_id;
00214 int fixed_qscale;
00215 int encoding;
00216 int flags;
00217 int flags2;
00218 int max_b_frames;
00219 int luma_elim_threshold;
00220 int chroma_elim_threshold;
00221 int strict_std_compliance;
00222 int workaround_bugs;
00223 int codec_tag;
00224 int stream_codec_tag;
00225
00226
00228 PutBitContext pb;
00229
00230
00231 int context_initialized;
00232 int input_picture_number;
00233 int coded_picture_number;
00234 int picture_number;
00235 int picture_in_gop_number;
00236 int b_frames_since_non_b;
00237 int64_t user_specified_pts;
00238 int mb_width, mb_height;
00239 int mb_stride;
00240 int b8_stride;
00241 int b4_stride;
00242 int h_edge_pos, v_edge_pos;
00243 int mb_num;
00244 int linesize;
00245 int uvlinesize;
00246 Picture *picture;
00247 Picture **input_picture;
00248 Picture **reordered_input_picture;
00249
00250 int start_mb_y;
00251 int end_mb_y;
00252 struct MpegEncContext *thread_context[MAX_THREADS];
00253
00258 Picture last_picture;
00259
00264 Picture next_picture;
00265
00270 Picture new_picture;
00271
00276 Picture current_picture;
00277
00278 Picture *last_picture_ptr;
00279 Picture *next_picture_ptr;
00280 Picture *current_picture_ptr;
00281 uint8_t *visualization_buffer[3];
00282 int last_dc[3];
00283 int16_t *dc_val_base;
00284 int16_t *dc_val[3];
00285 int16_t dc_cache[4*5];
00286 int y_dc_scale, c_dc_scale;
00287 const uint8_t *y_dc_scale_table;
00288 const uint8_t *c_dc_scale_table;
00289 const uint8_t *chroma_qscale_table;
00290 uint8_t *coded_block_base;
00291 uint8_t *coded_block;
00292 int16_t (*ac_val_base)[16];
00293 int16_t (*ac_val[3])[16];
00294 int ac_pred;
00295 uint8_t *prev_pict_types;
00296 #define PREV_PICT_TYPES_BUFFER_SIZE 256
00297 int mb_skipped;
00298 uint8_t *mbskip_table;
00300 uint8_t *mbintra_table;
00301 uint8_t *cbp_table;
00302 uint8_t *pred_dir_table;
00303 uint8_t *allocated_edge_emu_buffer;
00304 uint8_t *edge_emu_buffer;
00305 uint8_t *rd_scratchpad;
00306 uint8_t *obmc_scratchpad;
00307 uint8_t *b_scratchpad;
00308
00309 int qscale;
00310 int chroma_qscale;
00311 unsigned int lambda;
00312 unsigned int lambda2;
00313 int *lambda_table;
00314 int adaptive_quant;
00315 int dquant;
00316 int closed_gop;
00317 int pict_type;
00318 int last_pict_type;
00319 int last_non_b_pict_type;
00320 int dropable;
00321 int frame_rate_index;
00322 int last_lambda_for[5];
00323 int skipdct;
00324
00325
00326 int unrestricted_mv;
00327 int h263_long_vectors;
00328 int decode;
00329
00330 DSPContext dsp;
00331 int f_code;
00332 int b_code;
00333 int16_t (*p_mv_table_base)[2];
00334 int16_t (*b_forw_mv_table_base)[2];
00335 int16_t (*b_back_mv_table_base)[2];
00336 int16_t (*b_bidir_forw_mv_table_base)[2];
00337 int16_t (*b_bidir_back_mv_table_base)[2];
00338 int16_t (*b_direct_mv_table_base)[2];
00339 int16_t (*p_field_mv_table_base[2][2])[2];
00340 int16_t (*b_field_mv_table_base[2][2][2])[2];
00341 int16_t (*p_mv_table)[2];
00342 int16_t (*b_forw_mv_table)[2];
00343 int16_t (*b_back_mv_table)[2];
00344 int16_t (*b_bidir_forw_mv_table)[2];
00345 int16_t (*b_bidir_back_mv_table)[2];
00346 int16_t (*b_direct_mv_table)[2];
00347 int16_t (*p_field_mv_table[2][2])[2];
00348 int16_t (*b_field_mv_table[2][2][2])[2];
00349 uint8_t (*p_field_select_table[2]);
00350 uint8_t (*b_field_select_table[2][2]);
00351 int me_method;
00352 int mv_dir;
00353 #define MV_DIR_FORWARD 1
00354 #define MV_DIR_BACKWARD 2
00355 #define MV_DIRECT 4 ///< bidirectional mode where the difference equals the MV of the last P/S/I-Frame (mpeg4)
00356 int mv_type;
00357 #define MV_TYPE_16X16 0 ///< 1 vector for the whole mb
00358 #define MV_TYPE_8X8 1 ///< 4 vectors (h263, mpeg4 4MV)
00359 #define MV_TYPE_16X8 2 ///< 2 vectors, one per 16x8 block
00360 #define MV_TYPE_FIELD 3 ///< 2 vectors, one per field
00361 #define MV_TYPE_DMV 4 ///< 2 vectors, special mpeg2 Dual Prime Vectors
00362
00367 int mv[2][4][2];
00368 int field_select[2][2];
00369 int last_mv[2][2][2];
00370 uint8_t *fcode_tab;
00371 int16_t direct_scale_mv[2][64];
00372
00373 MotionEstContext me;
00374
00375 int no_rounding;
00378 int hurry_up;
00381
00382 int mb_x, mb_y;
00383 int mb_skip_run;
00384 int mb_intra;
00385 uint16_t *mb_type;
00386 #define CANDIDATE_MB_TYPE_INTRA 0x01
00387 #define CANDIDATE_MB_TYPE_INTER 0x02
00388 #define CANDIDATE_MB_TYPE_INTER4V 0x04
00389 #define CANDIDATE_MB_TYPE_SKIPPED 0x08
00390
00391
00392 #define CANDIDATE_MB_TYPE_DIRECT 0x10
00393 #define CANDIDATE_MB_TYPE_FORWARD 0x20
00394 #define CANDIDATE_MB_TYPE_BACKWARD 0x40
00395 #define CANDIDATE_MB_TYPE_BIDIR 0x80
00396
00397 #define CANDIDATE_MB_TYPE_INTER_I 0x100
00398 #define CANDIDATE_MB_TYPE_FORWARD_I 0x200
00399 #define CANDIDATE_MB_TYPE_BACKWARD_I 0x400
00400 #define CANDIDATE_MB_TYPE_BIDIR_I 0x800
00401
00402 #define CANDIDATE_MB_TYPE_DIRECT0 0x1000
00403
00404 int block_index[6];
00405 int block_wrap[6];
00406 uint8_t *dest[3];
00407
00408 int *mb_index2xy;
00409
00411 uint16_t intra_matrix[64];
00412 uint16_t chroma_intra_matrix[64];
00413 uint16_t inter_matrix[64];
00414 uint16_t chroma_inter_matrix[64];
00415 #define QUANT_BIAS_SHIFT 8
00416 int intra_quant_bias;
00417 int inter_quant_bias;
00418 int min_qcoeff;
00419 int max_qcoeff;
00420 int ac_esc_length;
00421 uint8_t *intra_ac_vlc_length;
00422 uint8_t *intra_ac_vlc_last_length;
00423 uint8_t *inter_ac_vlc_length;
00424 uint8_t *inter_ac_vlc_last_length;
00425 uint8_t *luma_dc_vlc_length;
00426 uint8_t *chroma_dc_vlc_length;
00427 #define UNI_AC_ENC_INDEX(run,level) ((run)*128 + (level))
00428
00429 int coded_score[8];
00430
00432 int (*q_intra_matrix)[64];
00433 int (*q_inter_matrix)[64];
00435 uint16_t (*q_intra_matrix16)[2][64];
00436 uint16_t (*q_inter_matrix16)[2][64];
00437 int block_last_index[12];
00438
00439 ScanTable intra_scantable;
00440 ScanTable intra_h_scantable;
00441 ScanTable intra_v_scantable;
00442 ScanTable inter_scantable;
00443
00444
00445 int (*dct_error_sum)[64];
00446 int dct_count[2];
00447 uint16_t (*dct_offset)[64];
00448
00449 void *opaque;
00450
00451
00452 int64_t wanted_bits;
00453 int64_t total_bits;
00454 int frame_bits;
00455 int next_lambda;
00456 RateControlContext rc_context;
00457
00458
00459 int mv_bits;
00460 int header_bits;
00461 int i_tex_bits;
00462 int p_tex_bits;
00463 int i_count;
00464 int f_count;
00465 int b_count;
00466 int skip_count;
00467 int misc_bits;
00468 int last_bits;
00469
00470
00471 int error_count;
00472 uint8_t *error_status_table;
00473 #define VP_START 1 ///< current MB is the first after a resync marker
00474 #define AC_ERROR 2
00475 #define DC_ERROR 4
00476 #define MV_ERROR 8
00477 #define AC_END 16
00478 #define DC_END 32
00479 #define MV_END 64
00480
00481
00482 int resync_mb_x;
00483 int resync_mb_y;
00484 GetBitContext last_resync_gb;
00485 int mb_num_left;
00486 int next_p_frame_damaged;
00487 int error_recognition;
00488
00489 ParseContext parse_context;
00490
00491
00492 int gob_index;
00493 int obmc;
00494 int showed_packed_warning;
00495
00496
00497 int umvplus;
00498 int h263_aic;
00499 int h263_aic_dir;
00500 int h263_slice_structured;
00501 int alt_inter_vlc;
00502 int modified_quant;
00503 int loop_filter;
00504 int custom_pcf;
00505
00506
00507 int time_increment_bits;
00508 int last_time_base;
00509 int time_base;
00510 int64_t time;
00511 int64_t last_non_b_time;
00512 uint16_t pp_time;
00513 uint16_t pb_time;
00514 uint16_t pp_field_time;
00515 uint16_t pb_field_time;
00516 int shape;
00517 int vol_sprite_usage;
00518 int sprite_width;
00519 int sprite_height;
00520 int sprite_left;
00521 int sprite_top;
00522 int sprite_brightness_change;
00523 int num_sprite_warping_points;
00524 int real_sprite_warping_points;
00525 uint16_t sprite_traj[4][2];
00526 int sprite_offset[2][2];
00527 int sprite_delta[2][2];
00528 int sprite_shift[2];
00529 int mcsel;
00530 int quant_precision;
00531 int quarter_sample;
00532 int scalability;
00533 int hierachy_type;
00534 int enhancement_type;
00535 int new_pred;
00536 int reduced_res_vop;
00537 int aspect_ratio_info;
00538 int sprite_warping_accuracy;
00539 int low_latency_sprite;
00540 int data_partitioning;
00541 int partitioned_frame;
00542 int rvlc;
00543 int resync_marker;
00544 int low_delay;
00545 int vo_type;
00546 int vol_control_parameters;
00547 int intra_dc_threshold;
00548 int use_intra_dc_vlc;
00549 PutBitContext tex_pb;
00550 PutBitContext pb2;
00551 int mpeg_quant;
00552 int t_frame;
00553 int padding_bug_score;
00554 int cplx_estimation_trash_i;
00555 int cplx_estimation_trash_p;
00556 int cplx_estimation_trash_b;
00557
00558
00559 int divx_version;
00560 int divx_build;
00561 int divx_packed;
00562 uint8_t *bitstream_buffer;
00563 int bitstream_buffer_size;
00564 unsigned int allocated_bitstream_buffer_size;
00565
00566 int xvid_build;
00567
00568
00569 int lavc_build;
00570
00571
00572 int rv10_version;
00573 int rv10_first_dc_coded[3];
00574 int orig_width, orig_height;
00575
00576
00577 struct MJpegContext *mjpeg_ctx;
00578 int mjpeg_vsample[3];
00579 int mjpeg_hsample[3];
00580
00581
00582 int mv_table_index;
00583 int rl_table_index;
00584 int rl_chroma_table_index;
00585 int dc_table_index;
00586 int use_skip_mb_code;
00587 int slice_height;
00588 int first_slice_line;
00589 int flipflop_rounding;
00590 int msmpeg4_version;
00591 int per_mb_rl_table;
00592 int esc3_level_length;
00593 int esc3_run_length;
00595 int (*ac_stats)[2][MAX_LEVEL+1][MAX_RUN+1][2];
00596 int inter_intra_pred;
00597 int mspel;
00598
00599
00600 GetBitContext gb;
00601
00602
00603 int gop_picture_number;
00604 int last_mv_dir;
00605 int broken_link;
00606 uint8_t *vbv_delay_ptr;
00607
00608
00609 int progressive_sequence;
00610 int mpeg_f_code[2][2];
00611 int picture_structure;
00612
00613 #define PICT_TOP_FIELD 1
00614 #define PICT_BOTTOM_FIELD 2
00615 #define PICT_FRAME 3
00616
00617 int intra_dc_precision;
00618 int frame_pred_frame_dct;
00619 int top_field_first;
00620 int concealment_motion_vectors;
00621 int q_scale_type;
00622 int intra_vlc_format;
00623 int alternate_scan;
00624 int repeat_first_field;
00625 int chroma_420_type;
00626 int chroma_format;
00627 #define CHROMA_420 1
00628 #define CHROMA_422 2
00629 #define CHROMA_444 3
00630 int chroma_x_shift;
00631 int chroma_y_shift;
00632
00633 int progressive_frame;
00634 int full_pel[2];
00635 int interlaced_dct;
00636 int first_slice;
00637 int first_field;
00638
00639
00640 int rtp_mode;
00641
00642 uint8_t *ptr_lastgob;
00643 int swap_uv;
00644 DCTELEM (*pblocks[12])[64];
00645
00646 DCTELEM (*block)[64];
00647 DCTELEM (*blocks)[8][64];
00648 int (*decode_mb)(struct MpegEncContext *s, DCTELEM block[6][64]);
00649 #define SLICE_OK 0
00650 #define SLICE_ERROR -1
00651 #define SLICE_END -2 ///<end marker found
00652 #define SLICE_NOEND -3 ///<no end marker or error found but mb count exceeded
00653
00654 void (*dct_unquantize_mpeg1_intra)(struct MpegEncContext *s,
00655 DCTELEM *block, int n, int qscale);
00656 void (*dct_unquantize_mpeg1_inter)(struct MpegEncContext *s,
00657 DCTELEM *block, int n, int qscale);
00658 void (*dct_unquantize_mpeg2_intra)(struct MpegEncContext *s,
00659 DCTELEM *block, int n, int qscale);
00660 void (*dct_unquantize_mpeg2_inter)(struct MpegEncContext *s,
00661 DCTELEM *block, int n, int qscale);
00662 void (*dct_unquantize_h263_intra)(struct MpegEncContext *s,
00663 DCTELEM *block, int n, int qscale);
00664 void (*dct_unquantize_h263_inter)(struct MpegEncContext *s,
00665 DCTELEM *block, int n, int qscale);
00666 void (*dct_unquantize_h261_intra)(struct MpegEncContext *s,
00667 DCTELEM *block, int n, int qscale);
00668 void (*dct_unquantize_h261_inter)(struct MpegEncContext *s,
00669 DCTELEM *block, int n, int qscale);
00670 void (*dct_unquantize_intra)(struct MpegEncContext *s,
00671 DCTELEM *block, int n, int qscale);
00672 void (*dct_unquantize_inter)(struct MpegEncContext *s,
00673 DCTELEM *block, int n, int qscale);
00674 int (*dct_quantize)(struct MpegEncContext *s, DCTELEM *block, int n, int qscale, int *overflow);
00675 int (*fast_dct_quantize)(struct MpegEncContext *s, DCTELEM *block, int n, int qscale, int *overflow);
00676 void (*denoise_dct)(struct MpegEncContext *s, DCTELEM *block);
00677 } MpegEncContext;
00678
00679
00680 void MPV_decode_defaults(MpegEncContext *s);
00681 int MPV_common_init(MpegEncContext *s);
00682 void MPV_common_end(MpegEncContext *s);
00683 void MPV_decode_mb(MpegEncContext *s, DCTELEM block[12][64]);
00684 int MPV_frame_start(MpegEncContext *s, AVCodecContext *avctx);
00685 void MPV_frame_end(MpegEncContext *s);
00686 int MPV_encode_init(AVCodecContext *avctx);
00687 int MPV_encode_end(AVCodecContext *avctx);
00688 int MPV_encode_picture(AVCodecContext *avctx, unsigned char *buf, int buf_size, void *data);
00689 void MPV_common_init_mmx(MpegEncContext *s);
00690 void MPV_common_init_axp(MpegEncContext *s);
00691 void MPV_common_init_mlib(MpegEncContext *s);
00692 void MPV_common_init_mmi(MpegEncContext *s);
00693 void MPV_common_init_arm(MpegEncContext *s);
00694 void MPV_common_init_altivec(MpegEncContext *s);
00695 void MPV_common_init_bfin(MpegEncContext *s);
00696 void ff_clean_intra_table_entries(MpegEncContext *s);
00697 void ff_draw_horiz_band(MpegEncContext *s, int y, int h);
00698 void ff_mpeg_flush(AVCodecContext *avctx);
00699 void ff_print_debug_info(MpegEncContext *s, AVFrame *pict);
00700 void ff_write_quant_matrix(PutBitContext *pb, uint16_t *matrix);
00701 int ff_find_unused_picture(MpegEncContext *s, int shared);
00702 void ff_denoise_dct(MpegEncContext *s, DCTELEM *block);
00703 void ff_update_duplicate_context(MpegEncContext *dst, MpegEncContext *src);
00704 const uint8_t *ff_find_start_code(const uint8_t *p, const uint8_t *end, uint32_t *state);
00705 void ff_set_qscale(MpegEncContext * s, int qscale);
00706
00707 void ff_er_frame_start(MpegEncContext *s);
00708 void ff_er_frame_end(MpegEncContext *s);
00709 void ff_er_add_slice(MpegEncContext *s, int startx, int starty, int endx, int endy, int status);
00710
00711 int ff_dct_common_init(MpegEncContext *s);
00712 void ff_convert_matrix(DSPContext *dsp, int (*qmat)[64], uint16_t (*qmat16)[2][64],
00713 const uint16_t *quant_matrix, int bias, int qmin, int qmax, int intra);
00714
00715 void ff_init_block_index(MpegEncContext *s);
00716 void ff_copy_picture(Picture *dst, Picture *src);
00717
00722 int ff_alloc_picture(MpegEncContext *s, Picture *pic, int shared);
00723
00724 extern const enum PixelFormat ff_pixfmt_list_420[];
00725 extern const enum PixelFormat ff_hwaccel_pixfmt_list_420[];
00726
00727 static inline void ff_update_block_index(MpegEncContext *s){
00728 const int block_size= 8>>s->avctx->lowres;
00729
00730 s->block_index[0]+=2;
00731 s->block_index[1]+=2;
00732 s->block_index[2]+=2;
00733 s->block_index[3]+=2;
00734 s->block_index[4]++;
00735 s->block_index[5]++;
00736 s->dest[0]+= 2*block_size;
00737 s->dest[1]+= block_size;
00738 s->dest[2]+= block_size;
00739 }
00740
00741 static inline int get_bits_diff(MpegEncContext *s){
00742 const int bits= put_bits_count(&s->pb);
00743 const int last= s->last_bits;
00744
00745 s->last_bits = bits;
00746
00747 return bits - last;
00748 }
00749
00750 static inline int ff_h263_round_chroma(int x){
00751 static const uint8_t h263_chroma_roundtab[16] = {
00752
00753 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1,
00754 };
00755 return h263_chroma_roundtab[x & 0xf] + (x >> 3);
00756 }
00757
00758
00759 void ff_estimate_p_frame_motion(MpegEncContext * s,
00760 int mb_x, int mb_y);
00761 void ff_estimate_b_frame_motion(MpegEncContext * s,
00762 int mb_x, int mb_y);
00763 int ff_get_best_fcode(MpegEncContext * s, int16_t (*mv_table)[2], int type);
00764 void ff_fix_long_p_mvs(MpegEncContext * s);
00765 void ff_fix_long_mvs(MpegEncContext * s, uint8_t *field_select_table, int field_select,
00766 int16_t (*mv_table)[2], int f_code, int type, int truncate);
00767 int ff_init_me(MpegEncContext *s);
00768 int ff_pre_estimate_p_frame_motion(MpegEncContext * s, int mb_x, int mb_y);
00769 int ff_epzs_motion_search(MpegEncContext * s, int *mx_ptr, int *my_ptr,
00770 int P[10][2], int src_index, int ref_index, int16_t (*last_mv)[2],
00771 int ref_mv_scale, int size, int h);
00772 int ff_get_mb_score(MpegEncContext * s, int mx, int my, int src_index,
00773 int ref_index, int size, int h, int add_rate);
00774
00775
00776 extern const uint8_t ff_mpeg1_dc_scale_table[128];
00777 extern const uint8_t * const ff_mpeg2_dc_scale_table[4];
00778
00779 void mpeg1_encode_picture_header(MpegEncContext *s, int picture_number);
00780 void mpeg1_encode_mb(MpegEncContext *s,
00781 DCTELEM block[6][64],
00782 int motion_x, int motion_y);
00783 void ff_mpeg1_encode_init(MpegEncContext *s);
00784 void ff_mpeg1_encode_slice_header(MpegEncContext *s);
00785 void ff_mpeg1_clean_buffers(MpegEncContext *s);
00786 int ff_mpeg1_find_frame_end(ParseContext *pc, const uint8_t *buf, int buf_size, AVCodecParserContext *s);
00787
00788 extern const uint8_t ff_aic_dc_scale_table[32];
00789 extern const uint8_t ff_h263_chroma_qscale_table[32];
00790 extern const uint8_t ff_h263_loop_filter_strength[32];
00791
00792
00793 void ff_h261_loop_filter(MpegEncContext *s);
00794 void ff_h261_reorder_mb_index(MpegEncContext* s);
00795 void ff_h261_encode_mb(MpegEncContext *s,
00796 DCTELEM block[6][64],
00797 int motion_x, int motion_y);
00798 void ff_h261_encode_picture_header(MpegEncContext * s, int picture_number);
00799 void ff_h261_encode_init(MpegEncContext *s);
00800 int ff_h261_get_picture_format(int width, int height);
00801
00802
00803
00804 void rv10_encode_picture_header(MpegEncContext *s, int picture_number);
00805 int rv_decode_dc(MpegEncContext *s, int n);
00806 void rv20_encode_picture_header(MpegEncContext *s, int picture_number);
00807
00808
00809
00810 void msmpeg4_encode_picture_header(MpegEncContext * s, int picture_number);
00811 void msmpeg4_encode_ext_header(MpegEncContext * s);
00812 void msmpeg4_encode_mb(MpegEncContext * s,
00813 DCTELEM block[6][64],
00814 int motion_x, int motion_y);
00815 int msmpeg4_decode_picture_header(MpegEncContext * s);
00816 int msmpeg4_decode_ext_header(MpegEncContext * s, int buf_size);
00817 int ff_msmpeg4_decode_init(AVCodecContext *avctx);
00818 void ff_msmpeg4_encode_init(MpegEncContext *s);
00819 int ff_wmv2_decode_picture_header(MpegEncContext * s);
00820 int ff_wmv2_decode_secondary_picture_header(MpegEncContext * s);
00821 void ff_wmv2_add_mb(MpegEncContext *s, DCTELEM block[6][64], uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr);
00822 void ff_mspel_motion(MpegEncContext *s,
00823 uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
00824 uint8_t **ref_picture, op_pixels_func (*pix_op)[4],
00825 int motion_x, int motion_y, int h);
00826 int ff_wmv2_encode_picture_header(MpegEncContext * s, int picture_number);
00827 void ff_wmv2_encode_mb(MpegEncContext * s,
00828 DCTELEM block[6][64],
00829 int motion_x, int motion_y);
00830
00831 #endif
00832