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00026 #ifndef AVCODEC_MPEGVIDEO_H
00027 #define AVCODEC_MPEGVIDEO_H
00028
00029 #include "dsputil.h"
00030 #include "bitstream.h"
00031
00032 #define FRAME_SKIPPED 100
00033
00034 enum OutputFormat {
00035 FMT_MPEG1,
00036 FMT_H261,
00037 FMT_H263,
00038 FMT_MJPEG,
00039 FMT_H264,
00040 };
00041
00042 #define EDGE_WIDTH 16
00043
00044 #define MPEG_BUF_SIZE (16 * 1024)
00045
00046 #define QMAT_SHIFT_MMX 16
00047 #define QMAT_SHIFT 22
00048
00049 #define MAX_FCODE 7
00050 #define MAX_MV 2048
00051
00052 #define MAX_THREADS 8
00053
00054 #define MAX_PICTURE_COUNT 32
00055
00056 #define ME_MAP_SIZE 64
00057 #define ME_MAP_SHIFT 3
00058 #define ME_MAP_MV_BITS 11
00059
00060
00061 #define MAX_RUN 64
00062 #define MAX_LEVEL 64
00063
00064 #define I_TYPE FF_I_TYPE
00065 #define P_TYPE FF_P_TYPE
00066 #define B_TYPE FF_B_TYPE
00067 #define S_TYPE FF_S_TYPE
00068 #define SI_TYPE FF_SI_TYPE
00069 #define SP_TYPE FF_SP_TYPE
00070
00071 #define MAX_MB_BYTES (30*16*16*3/8 + 120)
00072
00073 typedef struct Predictor{
00074 double coeff;
00075 double count;
00076 double decay;
00077 } Predictor;
00078
00079 typedef struct RateControlEntry{
00080 int pict_type;
00081 float qscale;
00082 int mv_bits;
00083 int i_tex_bits;
00084 int p_tex_bits;
00085 int misc_bits;
00086 uint64_t expected_bits;
00087 int new_pict_type;
00088 float new_qscale;
00089 int mc_mb_var_sum;
00090 int mb_var_sum;
00091 int i_count;
00092 int f_code;
00093 int b_code;
00094 }RateControlEntry;
00095
00099 typedef struct RateControlContext{
00100 FILE *stats_file;
00101 int num_entries;
00102 RateControlEntry *entry;
00103 double buffer_index;
00104 Predictor pred[5];
00105 double short_term_qsum;
00106 double short_term_qcount;
00107 double pass1_rc_eq_output_sum;
00108 double pass1_wanted_bits;
00109 double last_qscale;
00110 double last_qscale_for[5];
00111 int last_mc_mb_var_sum;
00112 int last_mb_var_sum;
00113 uint64_t i_cplx_sum[5];
00114 uint64_t p_cplx_sum[5];
00115 uint64_t mv_bits_sum[5];
00116 uint64_t qscale_sum[5];
00117 int frame_count[5];
00118 int last_non_b_pict_type;
00119 }RateControlContext;
00120
00124 typedef struct ScanTable{
00125 const uint8_t *scantable;
00126 uint8_t permutated[64];
00127 uint8_t raster_end[64];
00128 #ifdef ARCH_POWERPC
00129
00130 uint8_t __align8 inverse[64];
00131 #endif
00132 } ScanTable;
00133
00137 typedef struct Picture{
00138 FF_COMMON_FRAME
00139
00143 uint8_t *interpolated[3];
00144 int16_t (*motion_val_base[2])[2];
00145 uint32_t *mb_type_base;
00146 #define MB_TYPE_INTRA MB_TYPE_INTRA4x4 //default mb_type if theres just one type
00147 #define IS_INTRA4x4(a) ((a)&MB_TYPE_INTRA4x4)
00148 #define IS_INTRA16x16(a) ((a)&MB_TYPE_INTRA16x16)
00149 #define IS_PCM(a) ((a)&MB_TYPE_INTRA_PCM)
00150 #define IS_INTRA(a) ((a)&7)
00151 #define IS_INTER(a) ((a)&(MB_TYPE_16x16|MB_TYPE_16x8|MB_TYPE_8x16|MB_TYPE_8x8))
00152 #define IS_SKIP(a) ((a)&MB_TYPE_SKIP)
00153 #define IS_INTRA_PCM(a) ((a)&MB_TYPE_INTRA_PCM)
00154 #define IS_INTERLACED(a) ((a)&MB_TYPE_INTERLACED)
00155 #define IS_DIRECT(a) ((a)&MB_TYPE_DIRECT2)
00156 #define IS_GMC(a) ((a)&MB_TYPE_GMC)
00157 #define IS_16X16(a) ((a)&MB_TYPE_16x16)
00158 #define IS_16X8(a) ((a)&MB_TYPE_16x8)
00159 #define IS_8X16(a) ((a)&MB_TYPE_8x16)
00160 #define IS_8X8(a) ((a)&MB_TYPE_8x8)
00161 #define IS_SUB_8X8(a) ((a)&MB_TYPE_16x16) //note reused
00162 #define IS_SUB_8X4(a) ((a)&MB_TYPE_16x8) //note reused
00163 #define IS_SUB_4X8(a) ((a)&MB_TYPE_8x16) //note reused
00164 #define IS_SUB_4X4(a) ((a)&MB_TYPE_8x8) //note reused
00165 #define IS_ACPRED(a) ((a)&MB_TYPE_ACPRED)
00166 #define IS_QUANT(a) ((a)&MB_TYPE_QUANT)
00167 #define IS_DIR(a, part, list) ((a) & (MB_TYPE_P0L0<<((part)+2*(list))))
00168 #define USES_LIST(a, list) ((a) & ((MB_TYPE_P0L0|MB_TYPE_P1L0)<<(2*(list))))
00169 #define HAS_CBP(a) ((a)&MB_TYPE_CBP)
00170
00171 int field_poc[2];
00172 int poc;
00173 int frame_num;
00174 int pic_id;
00175 int long_ref;
00176 int ref_poc[2][16];
00177 int ref_count[2];
00178
00179 int mb_var_sum;
00180 int mc_mb_var_sum;
00181 uint16_t *mb_var;
00182 uint16_t *mc_mb_var;
00183 uint8_t *mb_mean;
00184 int32_t *mb_cmp_score;
00185 int b_frame_score;
00186 } Picture;
00187
00188 typedef struct ParseContext{
00189 uint8_t *buffer;
00190 int index;
00191 int last_index;
00192 int buffer_size;
00193 uint32_t state;
00194 int frame_start_found;
00195 int overread;
00196 int overread_index;
00197 } ParseContext;
00198
00199 struct MpegEncContext;
00200
00204 typedef struct MotionEstContext{
00205 AVCodecContext *avctx;
00206 int skip;
00207 int co_located_mv[4][2];
00208 int direct_basis_mv[4][2];
00209 uint8_t *scratchpad;
00210 uint8_t *best_mb;
00211 uint8_t *temp_mb[2];
00212 uint8_t *temp;
00213 int best_bits;
00214 uint32_t *map;
00215 uint32_t *score_map;
00216 int map_generation;
00217 int pre_penalty_factor;
00218 int penalty_factor;
00219 int sub_penalty_factor;
00220 int mb_penalty_factor;
00221 int flags;
00222 int sub_flags;
00223 int mb_flags;
00224 int pre_pass;
00225 int dia_size;
00226 int xmin;
00227 int xmax;
00228 int ymin;
00229 int ymax;
00230 int pred_x;
00231 int pred_y;
00232 uint8_t *src[4][4];
00233 uint8_t *ref[4][4];
00234 int stride;
00235 int uvstride;
00236
00237 int mc_mb_var_sum_temp;
00238 int mb_var_sum_temp;
00239 int scene_change_score;
00240
00241 op_pixels_func (*hpel_put)[4];
00242 op_pixels_func (*hpel_avg)[4];
00243 qpel_mc_func (*qpel_put)[16];
00244 qpel_mc_func (*qpel_avg)[16];
00245 uint8_t (*mv_penalty)[MAX_MV*2+1];
00246 uint8_t *current_mv_penalty;
00247 int (*sub_motion_search)(struct MpegEncContext * s,
00248 int *mx_ptr, int *my_ptr, int dmin,
00249 int src_index, int ref_index,
00250 int size, int h);
00251 }MotionEstContext;
00252
00256 typedef struct MpegEncContext {
00257 struct AVCodecContext *avctx;
00258
00259 int width, height;
00260 int gop_size;
00261 int intra_only;
00262 int bit_rate;
00263 enum OutputFormat out_format;
00264 int h263_pred;
00265
00266
00267 int h263_plus;
00268 int h263_msmpeg4;
00269 int h263_flv;
00270
00271 enum CodecID codec_id;
00272 int fixed_qscale;
00273 int encoding;
00274 int flags;
00275 int flags2;
00276 int max_b_frames;
00277 int luma_elim_threshold;
00278 int chroma_elim_threshold;
00279 int strict_std_compliance;
00280 int workaround_bugs;
00281
00282
00284 PutBitContext pb;
00285
00286
00287 int context_initialized;
00288 int input_picture_number;
00289 int coded_picture_number;
00290 int picture_number;
00291 int picture_in_gop_number;
00292 int b_frames_since_non_b;
00293 int64_t user_specified_pts;
00294 int mb_width, mb_height;
00295 int mb_stride;
00296 int b8_stride;
00297 int b4_stride;
00298 int h_edge_pos, v_edge_pos;
00299 int mb_num;
00300 int linesize;
00301 int uvlinesize;
00302 Picture *picture;
00303 Picture **input_picture;
00304 Picture **reordered_input_picture;
00305
00306 int start_mb_y;
00307 int end_mb_y;
00308 struct MpegEncContext *thread_context[MAX_THREADS];
00309
00314 Picture last_picture;
00315
00320 Picture next_picture;
00321
00326 Picture new_picture;
00327
00332 Picture current_picture;
00333
00334 Picture *last_picture_ptr;
00335 Picture *next_picture_ptr;
00336 Picture *current_picture_ptr;
00337 uint8_t *visualization_buffer[3];
00338 int last_dc[3];
00339 int16_t *dc_val_base;
00340 int16_t *dc_val[3];
00341 int16_t dc_cache[4*5];
00342 int y_dc_scale, c_dc_scale;
00343 const uint8_t *y_dc_scale_table;
00344 const uint8_t *c_dc_scale_table;
00345 const uint8_t *chroma_qscale_table;
00346 uint8_t *coded_block_base;
00347 uint8_t *coded_block;
00348 int16_t (*ac_val_base)[16];
00349 int16_t (*ac_val[3])[16];
00350 int ac_pred;
00351 uint8_t *prev_pict_types;
00352 #define PREV_PICT_TYPES_BUFFER_SIZE 256
00353 int mb_skipped;
00354 uint8_t *mbskip_table;
00356 uint8_t *mbintra_table;
00357 uint8_t *cbp_table;
00358 uint8_t *pred_dir_table;
00359 uint8_t *allocated_edge_emu_buffer;
00360 uint8_t *edge_emu_buffer;
00361 uint8_t *rd_scratchpad;
00362 uint8_t *obmc_scratchpad;
00363 uint8_t *b_scratchpad;
00364
00365 int qscale;
00366 int chroma_qscale;
00367 int lambda;
00368 int lambda2;
00369 int *lambda_table;
00370 int adaptive_quant;
00371 int dquant;
00372 int pict_type;
00373 int last_pict_type;
00374 int last_non_b_pict_type;
00375 int dropable;
00376 int frame_rate_index;
00377
00378
00379 int unrestricted_mv;
00380 int h263_long_vectors;
00381 int decode;
00382
00383 DSPContext dsp;
00384 int f_code;
00385 int b_code;
00386 int16_t (*p_mv_table_base)[2];
00387 int16_t (*b_forw_mv_table_base)[2];
00388 int16_t (*b_back_mv_table_base)[2];
00389 int16_t (*b_bidir_forw_mv_table_base)[2];
00390 int16_t (*b_bidir_back_mv_table_base)[2];
00391 int16_t (*b_direct_mv_table_base)[2];
00392 int16_t (*p_field_mv_table_base[2][2])[2];
00393 int16_t (*b_field_mv_table_base[2][2][2])[2];
00394 int16_t (*p_mv_table)[2];
00395 int16_t (*b_forw_mv_table)[2];
00396 int16_t (*b_back_mv_table)[2];
00397 int16_t (*b_bidir_forw_mv_table)[2];
00398 int16_t (*b_bidir_back_mv_table)[2];
00399 int16_t (*b_direct_mv_table)[2];
00400 int16_t (*p_field_mv_table[2][2])[2];
00401 int16_t (*b_field_mv_table[2][2][2])[2];
00402 uint8_t (*p_field_select_table[2]);
00403 uint8_t (*b_field_select_table[2][2]);
00404 int me_method;
00405 int mv_dir;
00406 #define MV_DIR_BACKWARD 1
00407 #define MV_DIR_FORWARD 2
00408 #define MV_DIRECT 4
00409 int mv_type;
00410 #define MV_TYPE_16X16 0
00411 #define MV_TYPE_8X8 1
00412 #define MV_TYPE_16X8 2
00413 #define MV_TYPE_FIELD 3
00414 #define MV_TYPE_DMV 4
00415
00420 int mv[2][4][2];
00421 int field_select[2][2];
00422 int last_mv[2][2][2];
00423 uint8_t *fcode_tab;
00424
00425 MotionEstContext me;
00426
00427 int no_rounding;
00430 int hurry_up;
00433
00434 int mb_x, mb_y;
00435 int mb_skip_run;
00436 int mb_intra;
00437 uint16_t *mb_type;
00438 #define CANDIDATE_MB_TYPE_INTRA 0x01
00439 #define CANDIDATE_MB_TYPE_INTER 0x02
00440 #define CANDIDATE_MB_TYPE_INTER4V 0x04
00441 #define CANDIDATE_MB_TYPE_SKIPPED 0x08
00442
00443
00444 #define CANDIDATE_MB_TYPE_DIRECT 0x10
00445 #define CANDIDATE_MB_TYPE_FORWARD 0x20
00446 #define CANDIDATE_MB_TYPE_BACKWARD 0x40
00447 #define CANDIDATE_MB_TYPE_BIDIR 0x80
00448
00449 #define CANDIDATE_MB_TYPE_INTER_I 0x100
00450 #define CANDIDATE_MB_TYPE_FORWARD_I 0x200
00451 #define CANDIDATE_MB_TYPE_BACKWARD_I 0x400
00452 #define CANDIDATE_MB_TYPE_BIDIR_I 0x800
00453
00454 int block_index[6];
00455 int block_wrap[6];
00456 uint8_t *dest[3];
00457
00458 int *mb_index2xy;
00459
00461 uint16_t intra_matrix[64];
00462 uint16_t chroma_intra_matrix[64];
00463 uint16_t inter_matrix[64];
00464 uint16_t chroma_inter_matrix[64];
00465 #define QUANT_BIAS_SHIFT 8
00466 int intra_quant_bias;
00467 int inter_quant_bias;
00468 int min_qcoeff;
00469 int max_qcoeff;
00470 int ac_esc_length;
00471 uint8_t *intra_ac_vlc_length;
00472 uint8_t *intra_ac_vlc_last_length;
00473 uint8_t *inter_ac_vlc_length;
00474 uint8_t *inter_ac_vlc_last_length;
00475 uint8_t *luma_dc_vlc_length;
00476 uint8_t *chroma_dc_vlc_length;
00477 #define UNI_AC_ENC_INDEX(run,level) ((run)*128 + (level))
00478
00479 int coded_score[6];
00480
00482 int (*q_intra_matrix)[64];
00483 int (*q_inter_matrix)[64];
00485 uint16_t (*q_intra_matrix16)[2][64];
00486 uint16_t (*q_inter_matrix16)[2][64];
00487 int block_last_index[12];
00488
00489 ScanTable __align8 intra_scantable;
00490 ScanTable intra_h_scantable;
00491 ScanTable intra_v_scantable;
00492 ScanTable inter_scantable;
00493
00494
00495 int (*dct_error_sum)[64];
00496 int dct_count[2];
00497 uint16_t (*dct_offset)[64];
00498
00499 void *opaque;
00500
00501
00502 int64_t wanted_bits;
00503 int64_t total_bits;
00504 int frame_bits;
00505 RateControlContext rc_context;
00506
00507
00508 int mv_bits;
00509 int header_bits;
00510 int i_tex_bits;
00511 int p_tex_bits;
00512 int i_count;
00513 int f_count;
00514 int b_count;
00515 int skip_count;
00516 int misc_bits;
00517 int last_bits;
00518
00519
00520 int error_count;
00521 uint8_t *error_status_table;
00522 #define VP_START 1
00523 #define AC_ERROR 2
00524 #define DC_ERROR 4
00525 #define MV_ERROR 8
00526 #define AC_END 16
00527 #define DC_END 32
00528 #define MV_END 64
00529
00530
00531 int resync_mb_x;
00532 int resync_mb_y;
00533 GetBitContext last_resync_gb;
00534 int mb_num_left;
00535 int next_p_frame_damaged;
00536 int error_resilience;
00537
00538 ParseContext parse_context;
00539
00540
00541 int gob_index;
00542 int obmc;
00543
00544
00545 int umvplus;
00546 int h263_aic;
00547 int h263_aic_dir;
00548 int h263_slice_structured;
00549 int alt_inter_vlc;
00550 int modified_quant;
00551 int loop_filter;
00552 int custom_pcf;
00553
00554
00555 int time_increment_bits;
00556 int last_time_base;
00557 int time_base;
00558 int64_t time;
00559 int64_t last_non_b_time;
00560 uint16_t pp_time;
00561 uint16_t pb_time;
00562 uint16_t pp_field_time;
00563 uint16_t pb_field_time;
00564 int shape;
00565 int vol_sprite_usage;
00566 int sprite_width;
00567 int sprite_height;
00568 int sprite_left;
00569 int sprite_top;
00570 int sprite_brightness_change;
00571 int num_sprite_warping_points;
00572 int real_sprite_warping_points;
00573 int sprite_offset[2][2];
00574 int sprite_delta[2][2];
00575 int sprite_shift[2];
00576 int mcsel;
00577 int quant_precision;
00578 int quarter_sample;
00579 int scalability;
00580 int hierachy_type;
00581 int enhancement_type;
00582 int new_pred;
00583 int reduced_res_vop;
00584 int aspect_ratio_info;
00585 int sprite_warping_accuracy;
00586 int low_latency_sprite;
00587 int data_partitioning;
00588 int partitioned_frame;
00589 int rvlc;
00590 int resync_marker;
00591 int low_delay;
00592 int vo_type;
00593 int vol_control_parameters;
00594 int intra_dc_threshold;
00595 PutBitContext tex_pb;
00596 PutBitContext pb2;
00597 int mpeg_quant;
00598 int t_frame;
00599 int padding_bug_score;
00600
00601
00602 int divx_version;
00603 int divx_build;
00604 int divx_packed;
00605 uint8_t *bitstream_buffer;
00606 int bitstream_buffer_size;
00607 int allocated_bitstream_buffer_size;
00608
00609 int xvid_build;
00610
00611
00612 int lavc_build;
00613
00614
00615 int rv10_version;
00616 int rv10_first_dc_coded[3];
00617
00618
00619 struct MJpegContext *mjpeg_ctx;
00620 int mjpeg_vsample[3];
00621 int mjpeg_hsample[3];
00622 int mjpeg_write_tables;
00623 int mjpeg_data_only_frames;
00624
00625
00626 int mv_table_index;
00627 int rl_table_index;
00628 int rl_chroma_table_index;
00629 int dc_table_index;
00630 int use_skip_mb_code;
00631 int slice_height;
00632 int first_slice_line;
00633 int flipflop_rounding;
00634 int msmpeg4_version;
00635 int per_mb_rl_table;
00636 int esc3_level_length;
00637 int esc3_run_length;
00639 int (*ac_stats)[2][MAX_LEVEL+1][MAX_RUN+1][2];
00640 int inter_intra_pred;
00641 int mspel;
00642
00643
00644 GetBitContext gb;
00645
00646
00647 int gop_picture_number;
00648 int last_mv_dir;
00649 int broken_link;
00650 uint8_t *vbv_delay_ptr;
00651
00652
00653 int progressive_sequence;
00654 int mpeg_f_code[2][2];
00655 int picture_structure;
00656
00657 #define PICT_TOP_FIELD 1
00658 #define PICT_BOTTOM_FIELD 2
00659 #define PICT_FRAME 3
00660
00661 int intra_dc_precision;
00662 int frame_pred_frame_dct;
00663 int top_field_first;
00664 int concealment_motion_vectors;
00665 int q_scale_type;
00666 int intra_vlc_format;
00667 int alternate_scan;
00668 int repeat_first_field;
00669 int chroma_420_type;
00670 int chroma_format;
00671 #define CHROMA_420 1
00672 #define CHROMA_422 2
00673 #define CHROMA_444 3
00674 int chroma_x_shift;
00675 int chroma_y_shift;
00676
00677 int progressive_frame;
00678 int full_pel[2];
00679 int interlaced_dct;
00680 int first_slice;
00681 int first_field;
00682
00683
00684 int rtp_mode;
00685
00686 uint8_t *ptr_lastgob;
00687 int swap_uv;
00688 short * pblocks[12];
00689
00690 DCTELEM (*block)[64];
00691 DCTELEM (*blocks)[6][64];
00692 int (*decode_mb)(struct MpegEncContext *s, DCTELEM block[6][64]);
00693 #define SLICE_OK 0
00694 #define SLICE_ERROR -1
00695 #define SLICE_END -2
00696 #define SLICE_NOEND -3
00697
00698 void (*dct_unquantize_mpeg1_intra)(struct MpegEncContext *s,
00699 DCTELEM *block, int n, int qscale);
00700 void (*dct_unquantize_mpeg1_inter)(struct MpegEncContext *s,
00701 DCTELEM *block, int n, int qscale);
00702 void (*dct_unquantize_mpeg2_intra)(struct MpegEncContext *s,
00703 DCTELEM *block, int n, int qscale);
00704 void (*dct_unquantize_mpeg2_inter)(struct MpegEncContext *s,
00705 DCTELEM *block, int n, int qscale);
00706 void (*dct_unquantize_h263_intra)(struct MpegEncContext *s,
00707 DCTELEM *block, int n, int qscale);
00708 void (*dct_unquantize_h263_inter)(struct MpegEncContext *s,
00709 DCTELEM *block, int n, int qscale);
00710 void (*dct_unquantize_h261_intra)(struct MpegEncContext *s,
00711 DCTELEM *block, int n, int qscale);
00712 void (*dct_unquantize_h261_inter)(struct MpegEncContext *s,
00713 DCTELEM *block, int n, int qscale);
00714 void (*dct_unquantize_intra)(struct MpegEncContext *s,
00715 DCTELEM *block, int n, int qscale);
00716 void (*dct_unquantize_inter)(struct MpegEncContext *s,
00717 DCTELEM *block, int n, int qscale);
00718 int (*dct_quantize)(struct MpegEncContext *s, DCTELEM *block, int n, int qscale, int *overflow);
00719 int (*fast_dct_quantize)(struct MpegEncContext *s, DCTELEM *block, int n, int qscale, int *overflow);
00720 void (*denoise_dct)(struct MpegEncContext *s, DCTELEM *block);
00721 } MpegEncContext;
00722
00723
00724 int DCT_common_init(MpegEncContext *s);
00725 void MPV_decode_defaults(MpegEncContext *s);
00726 int MPV_common_init(MpegEncContext *s);
00727 void MPV_common_end(MpegEncContext *s);
00728 void MPV_decode_mb(MpegEncContext *s, DCTELEM block[12][64]);
00729 int MPV_frame_start(MpegEncContext *s, AVCodecContext *avctx);
00730 void MPV_frame_end(MpegEncContext *s);
00731 int MPV_encode_init(AVCodecContext *avctx);
00732 int MPV_encode_end(AVCodecContext *avctx);
00733 int MPV_encode_picture(AVCodecContext *avctx, unsigned char *buf, int buf_size, void *data);
00734 #ifdef HAVE_MMX
00735 void MPV_common_init_mmx(MpegEncContext *s);
00736 #endif
00737 #ifdef ARCH_ALPHA
00738 void MPV_common_init_axp(MpegEncContext *s);
00739 #endif
00740 #ifdef HAVE_MLIB
00741 void MPV_common_init_mlib(MpegEncContext *s);
00742 #endif
00743 #ifdef HAVE_MMI
00744 void MPV_common_init_mmi(MpegEncContext *s);
00745 #endif
00746 #ifdef ARCH_ARMV4L
00747 void MPV_common_init_armv4l(MpegEncContext *s);
00748 #endif
00749 #ifdef ARCH_POWERPC
00750 void MPV_common_init_ppc(MpegEncContext *s);
00751 #endif
00752 extern void (*draw_edges)(uint8_t *buf, int wrap, int width, int height, int w);
00753 void ff_copy_bits(PutBitContext *pb, uint8_t *src, int length);
00754 void ff_clean_intra_table_entries(MpegEncContext *s);
00755 void ff_init_scantable(uint8_t *, ScanTable *st, const uint8_t *src_scantable);
00756 void ff_draw_horiz_band(MpegEncContext *s, int y, int h);
00757 void ff_emulated_edge_mc(uint8_t *buf, uint8_t *src, int linesize, int block_w, int block_h,
00758 int src_x, int src_y, int w, int h);
00759 #define END_NOT_FOUND -100
00760 int ff_combine_frame(ParseContext *pc, int next, uint8_t **buf, int *buf_size);
00761 void ff_parse_close(AVCodecParserContext *s);
00762 void ff_mpeg_flush(AVCodecContext *avctx);
00763 void ff_print_debug_info(MpegEncContext *s, AVFrame *pict);
00764 void ff_write_quant_matrix(PutBitContext *pb, int16_t *matrix);
00765 int ff_find_unused_picture(MpegEncContext *s, int shared);
00766 void ff_denoise_dct(MpegEncContext *s, DCTELEM *block);
00767 void ff_update_duplicate_context(MpegEncContext *dst, MpegEncContext *src);
00768
00769 void ff_er_frame_start(MpegEncContext *s);
00770 void ff_er_frame_end(MpegEncContext *s);
00771 void ff_er_add_slice(MpegEncContext *s, int startx, int starty, int endx, int endy, int status);
00772
00773
00774 extern enum PixelFormat ff_yuv420p_list[2];
00775
00776 void ff_init_block_index(MpegEncContext *s);
00777
00778 static inline void ff_update_block_index(MpegEncContext *s){
00779 const int block_size= 8>>s->avctx->lowres;
00780
00781 s->block_index[0]+=2;
00782 s->block_index[1]+=2;
00783 s->block_index[2]+=2;
00784 s->block_index[3]+=2;
00785 s->block_index[4]++;
00786 s->block_index[5]++;
00787 s->dest[0]+= 2*block_size;
00788 s->dest[1]+= block_size;
00789 s->dest[2]+= block_size;
00790 }
00791
00792 static inline int get_bits_diff(MpegEncContext *s){
00793 const int bits= put_bits_count(&s->pb);
00794 const int last= s->last_bits;
00795
00796 s->last_bits = bits;
00797
00798 return bits - last;
00799 }
00800
00801
00802 void ff_estimate_p_frame_motion(MpegEncContext * s,
00803 int mb_x, int mb_y);
00804 void ff_estimate_b_frame_motion(MpegEncContext * s,
00805 int mb_x, int mb_y);
00806 int ff_get_best_fcode(MpegEncContext * s, int16_t (*mv_table)[2], int type);
00807 void ff_fix_long_p_mvs(MpegEncContext * s);
00808 void ff_fix_long_mvs(MpegEncContext * s, uint8_t *field_select_table, int field_select,
00809 int16_t (*mv_table)[2], int f_code, int type, int truncate);
00810 void ff_init_me(MpegEncContext *s);
00811 int ff_pre_estimate_p_frame_motion(MpegEncContext * s, int mb_x, int mb_y);
00812 inline int ff_epzs_motion_search(MpegEncContext * s, int *mx_ptr, int *my_ptr,
00813 int P[10][2], int src_index, int ref_index, int16_t (*last_mv)[2],
00814 int ref_mv_scale, int size, int h);
00815 int inline ff_get_mb_score(MpegEncContext * s, int mx, int my, int src_index,
00816 int ref_index, int size, int h, int add_rate);
00817
00818
00819 extern const int16_t ff_mpeg1_default_intra_matrix[64];
00820 extern const int16_t ff_mpeg1_default_non_intra_matrix[64];
00821 extern const uint8_t ff_mpeg1_dc_scale_table[128];
00822
00823 void mpeg1_encode_picture_header(MpegEncContext *s, int picture_number);
00824 void mpeg1_encode_mb(MpegEncContext *s,
00825 DCTELEM block[6][64],
00826 int motion_x, int motion_y);
00827 void ff_mpeg1_encode_init(MpegEncContext *s);
00828 void ff_mpeg1_encode_slice_header(MpegEncContext *s);
00829 void ff_mpeg1_clean_buffers(MpegEncContext *s);
00830 int ff_mpeg1_find_frame_end(ParseContext *pc, const uint8_t *buf, int buf_size);
00831
00832
00834 typedef struct RLTable {
00835 int n;
00836 int last;
00837 const uint16_t (*table_vlc)[2];
00838 const int8_t *table_run;
00839 const int8_t *table_level;
00840 uint8_t *index_run[2];
00841 int8_t *max_level[2];
00842 int8_t *max_run[2];
00843 VLC vlc;
00844 RL_VLC_ELEM *rl_vlc[32];
00845 } RLTable;
00846
00847 void init_rl(RLTable *rl, int use_static);
00848 void init_vlc_rl(RLTable *rl, int use_static);
00849
00850 static inline int get_rl_index(const RLTable *rl, int last, int run, int level)
00851 {
00852 int index;
00853 index = rl->index_run[last][run];
00854 if (index >= rl->n)
00855 return rl->n;
00856 if (level > rl->max_level[last][run])
00857 return rl->n;
00858 return index + level - 1;
00859 }
00860
00861 extern const uint8_t ff_mpeg4_y_dc_scale_table[32];
00862 extern const uint8_t ff_mpeg4_c_dc_scale_table[32];
00863 extern const uint8_t ff_aic_dc_scale_table[32];
00864 extern const int16_t ff_mpeg4_default_intra_matrix[64];
00865 extern const int16_t ff_mpeg4_default_non_intra_matrix[64];
00866 extern const uint8_t ff_h263_chroma_qscale_table[32];
00867 extern const uint8_t ff_h263_loop_filter_strength[32];
00868
00869
00870 void ff_h261_loop_filter(MpegEncContext *s);
00871 void ff_h261_reorder_mb_index(MpegEncContext* s);
00872 void ff_h261_encode_mb(MpegEncContext *s,
00873 DCTELEM block[6][64],
00874 int motion_x, int motion_y);
00875 void ff_h261_encode_picture_header(MpegEncContext * s, int picture_number);
00876 void ff_h261_encode_init(MpegEncContext *s);
00877
00878
00879
00880 int ff_h263_decode_init(AVCodecContext *avctx);
00881 int ff_h263_decode_frame(AVCodecContext *avctx,
00882 void *data, int *data_size,
00883 uint8_t *buf, int buf_size);
00884 int ff_h263_decode_end(AVCodecContext *avctx);
00885 void h263_encode_mb(MpegEncContext *s,
00886 DCTELEM block[6][64],
00887 int motion_x, int motion_y);
00888 void mpeg4_encode_mb(MpegEncContext *s,
00889 DCTELEM block[6][64],
00890 int motion_x, int motion_y);
00891 void h263_encode_picture_header(MpegEncContext *s, int picture_number);
00892 void ff_flv_encode_picture_header(MpegEncContext *s, int picture_number);
00893 void h263_encode_gob_header(MpegEncContext * s, int mb_line);
00894 int16_t *h263_pred_motion(MpegEncContext * s, int block, int dir,
00895 int *px, int *py);
00896 void mpeg4_pred_ac(MpegEncContext * s, DCTELEM *block, int n,
00897 int dir);
00898 void ff_set_mpeg4_time(MpegEncContext * s, int picture_number);
00899 void mpeg4_encode_picture_header(MpegEncContext *s, int picture_number);
00900 void h263_encode_init(MpegEncContext *s);
00901 void h263_decode_init_vlc(MpegEncContext *s);
00902 int h263_decode_picture_header(MpegEncContext *s);
00903 int ff_h263_decode_gob_header(MpegEncContext *s);
00904 int ff_mpeg4_decode_picture_header(MpegEncContext * s, GetBitContext *gb);
00905 void ff_h263_update_motion_val(MpegEncContext * s);
00906 void ff_h263_loop_filter(MpegEncContext * s);
00907 void ff_set_qscale(MpegEncContext * s, int qscale);
00908 int ff_h263_decode_mba(MpegEncContext *s);
00909 void ff_h263_encode_mba(MpegEncContext *s);
00910
00911 int intel_h263_decode_picture_header(MpegEncContext *s);
00912 int flv_h263_decode_picture_header(MpegEncContext *s);
00913 int ff_h263_decode_mb(MpegEncContext *s,
00914 DCTELEM block[6][64]);
00915 int ff_mpeg4_decode_mb(MpegEncContext *s,
00916 DCTELEM block[6][64]);
00917 int h263_get_picture_format(int width, int height);
00918 void ff_mpeg4_encode_video_packet_header(MpegEncContext *s);
00919 void ff_mpeg4_clean_buffers(MpegEncContext *s);
00920 void ff_mpeg4_stuffing(PutBitContext * pbc);
00921 void ff_mpeg4_init_partitions(MpegEncContext *s);
00922 void ff_mpeg4_merge_partitions(MpegEncContext *s);
00923 void ff_clean_mpeg4_qscales(MpegEncContext *s);
00924 void ff_clean_h263_qscales(MpegEncContext *s);
00925 int ff_mpeg4_decode_partitions(MpegEncContext *s);
00926 int ff_mpeg4_get_video_packet_prefix_length(MpegEncContext *s);
00927 int ff_h263_resync(MpegEncContext *s);
00928 int ff_h263_get_gob_height(MpegEncContext *s);
00929 int ff_mpeg4_set_direct_mv(MpegEncContext *s, int mx, int my);
00930 int ff_h263_round_chroma(int x);
00931 void ff_h263_encode_motion(MpegEncContext * s, int val, int f_code);
00932 int ff_mpeg4_find_frame_end(ParseContext *pc, const uint8_t *buf, int buf_size);
00933
00934
00935
00936 void rv10_encode_picture_header(MpegEncContext *s, int picture_number);
00937 int rv_decode_dc(MpegEncContext *s, int n);
00938 void rv20_encode_picture_header(MpegEncContext *s, int picture_number);
00939
00940
00941
00942 void msmpeg4_encode_picture_header(MpegEncContext * s, int picture_number);
00943 void msmpeg4_encode_ext_header(MpegEncContext * s);
00944 void msmpeg4_encode_mb(MpegEncContext * s,
00945 DCTELEM block[6][64],
00946 int motion_x, int motion_y);
00947 int msmpeg4_decode_picture_header(MpegEncContext * s);
00948 int msmpeg4_decode_ext_header(MpegEncContext * s, int buf_size);
00949 int ff_msmpeg4_decode_init(MpegEncContext *s);
00950 void ff_msmpeg4_encode_init(MpegEncContext *s);
00951 int ff_wmv2_decode_picture_header(MpegEncContext * s);
00952 int ff_wmv2_decode_secondary_picture_header(MpegEncContext * s);
00953 void ff_wmv2_add_mb(MpegEncContext *s, DCTELEM block[6][64], uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr);
00954 void ff_mspel_motion(MpegEncContext *s,
00955 uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
00956 uint8_t **ref_picture, op_pixels_func (*pix_op)[4],
00957 int motion_x, int motion_y, int h);
00958 int ff_wmv2_encode_picture_header(MpegEncContext * s, int picture_number);
00959 void ff_wmv2_encode_mb(MpegEncContext * s,
00960 DCTELEM block[6][64],
00961 int motion_x, int motion_y);
00962
00963
00964 int mjpeg_init(MpegEncContext *s);
00965 void mjpeg_close(MpegEncContext *s);
00966 void mjpeg_encode_mb(MpegEncContext *s,
00967 DCTELEM block[6][64]);
00968 void mjpeg_picture_header(MpegEncContext *s);
00969 void mjpeg_picture_trailer(MpegEncContext *s);
00970 void ff_mjpeg_stuffing(PutBitContext * pbc);
00971
00972
00973
00974 int ff_rate_control_init(MpegEncContext *s);
00975 float ff_rate_estimate_qscale(MpegEncContext *s);
00976 void ff_write_pass1_stats(MpegEncContext *s);
00977 void ff_rate_control_uninit(MpegEncContext *s);
00978 double ff_eval(char *s, double *const_value, const char **const_name,
00979 double (**func1)(void *, double), const char **func1_name,
00980 double (**func2)(void *, double, double), char **func2_name,
00981 void *opaque);
00982 int ff_vbv_update(MpegEncContext *s, int frame_size);
00983
00984
00985 #endif
