Created by the British Broadcasting Corporation.
00001 /* ***** BEGIN LICENSE BLOCK ***** 00002 * 00003 * $Id: dirac_encoder.h,v 1.8 2006/05/16 11:23:44 asuraparaju Exp $ $Name: Dirac_0_6_0 $ 00004 * 00005 * Version: MPL 1.1/GPL 2.0/LGPL 2.1 00006 * 00007 * The contents of this file are subject to the Mozilla Public License 00008 * Version 1.1 (the "License"); you may not use this file except in compliance 00009 * with the License. You may obtain a copy of the License at 00010 * http://www.mozilla.org/MPL/ 00011 * 00012 * Software distributed under the License is distributed on an "AS IS" basis, 00013 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for 00014 * the specific language governing rights and limitations under the License. 00015 * 00016 * The Original Code is BBC Research and Development code. 00017 * 00018 * The Initial Developer of the Original Code is the British Broadcasting 00019 * Corporation. 00020 * Portions created by the Initial Developer are Copyright (C) 2004. 00021 * All Rights Reserved. 00022 * 00023 * Contributor(s): Anuradha Suraparaju (Original Author) 00024 * Andrew Kennedy 00025 * 00026 * Alternatively, the contents of this file may be used under the terms of 00027 * the GNU General Public License Version 2 (the "GPL"), or the GNU Lesser 00028 * Public License Version 2.1 (the "LGPL"), in which case the provisions of 00029 * the GPL or the LGPL are applicable instead of those above. If you wish to 00030 * allow use of your version of this file only under the terms of the either 00031 * the GPL or LGPL and not to allow others to use your version of this file 00032 * under the MPL, indicate your decision by deleting the provisions above 00033 * and replace them with the notice and other provisions required by the GPL 00034 * or LGPL. If you do not delete the provisions above, a recipient may use 00035 * your version of this file under the terms of any one of the MPL, the GPL 00036 * or the LGPL. 00037 * ***** END LICENSE BLOCK ***** */ 00038 00039 #ifndef DIRAC_ENCODER_H 00040 #define DIRAC_ENCODER_H 00041 00042 #include <libdirac_common/dirac_types.h> 00043 00142 #ifdef __cplusplus 00143 extern "C" { 00144 #endif 00145 00147 typedef enum 00148 { 00149 ENC_STATE_INVALID = -1, 00150 ENC_STATE_BUFFER, 00151 ENC_STATE_AVAIL 00152 } dirac_encoder_state_t ; 00153 00156 typedef VideoFormat dirac_encoder_presets_t; 00157 00160 typedef MVPrecisionType dirac_mvprecision_t; 00161 00163 typedef struct 00164 { 00166 int lossless; 00168 float qf; 00170 int L1_sep; 00174 int num_L1; 00176 float cpd; 00178 int xblen; 00180 int yblen; 00182 int xbsep; 00184 int ybsep; 00186 int video_format; 00188 dirac_wlt_filter_t wlt_filter; 00190 unsigned int wlt_depth; 00192 unsigned int spatial_partition; 00194 unsigned int def_spatial_partition; 00196 unsigned int multi_quants; 00198 dirac_mvprecision_t mv_precision; 00199 } dirac_encparams_t; 00200 00202 typedef struct 00203 { 00205 dirac_seqparams_t seq_params; 00207 dirac_sourceparams_t src_params; 00209 dirac_encparams_t enc_params; 00211 int instr_flag; 00214 int decode_flag; 00215 } dirac_encoder_context_t; 00216 00303 extern DllExport void dirac_encoder_context_init (dirac_encoder_context_t *enc_ctx, dirac_encoder_presets_t preset); 00304 00305 00307 typedef struct 00308 { 00310 unsigned char *buffer; 00312 int size; 00313 } dirac_enc_data_t; 00314 00316 typedef struct 00317 { 00319 unsigned int mv_bits; 00321 unsigned int ycomp_bits; 00323 unsigned int ucomp_bits; 00325 unsigned int vcomp_bits; 00327 unsigned int frame_bits; 00328 } dirac_enc_framestats_t; 00329 00331 typedef struct 00332 { 00334 unsigned int mv_bits; 00336 unsigned int seq_bits; 00338 unsigned int ycomp_bits; 00340 unsigned int ucomp_bits; 00342 unsigned int vcomp_bits; 00344 unsigned int bit_rate; 00345 } dirac_enc_seqstats_t; 00346 00348 typedef struct 00349 { 00351 int x; 00353 int y; 00354 } dirac_mv_t; 00355 00357 typedef struct 00358 { 00360 float SAD; 00362 float mvcost; 00363 } dirac_mv_cost_t; 00364 00366 typedef struct 00367 { 00369 dirac_frame_type_t ftype; 00371 dirac_reference_type_t rtype; 00373 int fnum; 00375 int num_refs; 00377 int refs[2]; 00379 int xbsep; 00381 int ybsep; 00383 int mb_xlen; 00385 int mb_ylen; 00387 int mv_xlen; 00389 int mv_ylen; 00391 int *mb_split_mode; 00393 int *mb_common_mode; 00395 float *mb_costs; 00397 int *pred_mode; 00399 float *intra_costs; 00401 dirac_mv_cost_t *bipred_costs; 00403 short *dc_ycomp; 00405 short *dc_ucomp; 00407 short *dc_vcomp; 00409 dirac_mv_t *mv[2]; 00411 dirac_mv_cost_t *pred_costs[2]; 00412 } dirac_instr_t; 00413 00415 typedef struct 00416 { 00418 dirac_encoder_context_t enc_ctx; 00419 00421 int encoded_frame_avail; 00422 00427 dirac_enc_data_t enc_buf; 00428 00430 dirac_frameparams_t enc_fparams; 00431 00433 dirac_enc_framestats_t enc_fstats; 00434 00436 dirac_enc_seqstats_t enc_seqstats; 00437 00439 int end_of_sequence; 00440 00441 /* locally decoded frame available flag. 00442 1 - locally decoded frame available in dec_buf. 00443 0 - locally decoded frame not available. 00444 */ 00445 int decoded_frame_avail; 00446 00451 dirac_framebuf_t dec_buf; 00452 00454 dirac_frameparams_t dec_fparams; 00455 00459 dirac_instr_t instr; 00460 00465 int instr_data_avail; 00466 00468 const void *compressor; 00469 } dirac_encoder_t; 00470 00477 extern DllExport dirac_encoder_t *dirac_encoder_init (const dirac_encoder_context_t *enc_ctx, int verbose); 00478 00488 extern DllExport int dirac_encoder_load (dirac_encoder_t *encoder, unsigned char *uncdata, int uncdata_size); 00489 00499 extern DllExport dirac_encoder_state_t dirac_encoder_output (dirac_encoder_t *encoder); 00500 00508 extern DllExport int dirac_encoder_end_sequence (dirac_encoder_t *encoder); 00509 00514 extern DllExport void dirac_encoder_close (dirac_encoder_t *encoder); 00515 00516 #endif 00517 #ifdef __cplusplus 00518 } 00519 #endif
© 2004 British Broadcasting Corporation.
Dirac code licensed under the Mozilla Public License (MPL) Version 1.1.
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