Created by the British Broadcasting Corporation.
00001 /* ***** BEGIN LICENSE BLOCK ***** 00002 * 00003 * $Id: dirac_encoder.h,v 1.11 2006/11/23 16:22:16 tjdwave Exp $ $Name: $ 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 Thomas Davies 00026 * 00027 * Alternatively, the contents of this file may be used under the terms of 00028 * the GNU General Public License Version 2 (the "GPL"), or the GNU Lesser 00029 * Public License Version 2.1 (the "LGPL"), in which case the provisions of 00030 * the GPL or the LGPL are applicable instead of those above. If you wish to 00031 * allow use of your version of this file only under the terms of the either 00032 * the GPL or LGPL and not to allow others to use your version of this file 00033 * under the MPL, indicate your decision by deleting the provisions above 00034 * and replace them with the notice and other provisions required by the GPL 00035 * or LGPL. If you do not delete the provisions above, a recipient may use 00036 * your version of this file under the terms of any one of the MPL, the GPL 00037 * or the LGPL. 00038 * ***** END LICENSE BLOCK ***** */ 00039 00040 #ifndef DIRAC_ENCODER_H 00041 #define DIRAC_ENCODER_H 00042 00043 #include <libdirac_common/dirac_types.h> 00044 00143 #ifdef __cplusplus 00144 extern "C" { 00145 #endif 00146 00148 typedef enum 00149 { 00150 ENC_STATE_INVALID = -1, 00151 ENC_STATE_BUFFER, 00152 ENC_STATE_AVAIL 00153 } dirac_encoder_state_t ; 00154 00157 typedef VideoFormat dirac_encoder_presets_t; 00158 00161 typedef MVPrecisionType dirac_mvprecision_t; 00162 00164 typedef struct 00165 { 00167 int lossless; 00169 float qf; 00171 int L1_sep; 00175 int num_L1; 00177 float cpd; 00179 int xblen; 00181 int yblen; 00183 int xbsep; 00185 int ybsep; 00187 int video_format; 00189 dirac_wlt_filter_t intra_wlt_filter; 00191 dirac_wlt_filter_t inter_wlt_filter; 00193 unsigned int wlt_depth; 00195 unsigned int spatial_partition; 00197 unsigned int denoise; 00199 unsigned int def_spatial_partition; 00201 unsigned int multi_quants; 00203 dirac_mvprecision_t mv_precision; 00204 } dirac_encparams_t; 00205 00207 typedef struct 00208 { 00210 dirac_seqparams_t seq_params; 00212 dirac_sourceparams_t src_params; 00214 dirac_encparams_t enc_params; 00216 int instr_flag; 00219 int decode_flag; 00220 } dirac_encoder_context_t; 00221 00308 extern DllExport void dirac_encoder_context_init (dirac_encoder_context_t *enc_ctx, dirac_encoder_presets_t preset); 00309 00310 00312 typedef struct 00313 { 00315 unsigned char *buffer; 00317 int size; 00318 } dirac_enc_data_t; 00319 00321 typedef struct 00322 { 00324 unsigned int mv_bits; 00326 unsigned int ycomp_bits; 00328 unsigned int ucomp_bits; 00330 unsigned int vcomp_bits; 00332 unsigned int frame_bits; 00333 } dirac_enc_framestats_t; 00334 00336 typedef struct 00337 { 00339 unsigned int mv_bits; 00341 unsigned int seq_bits; 00343 unsigned int ycomp_bits; 00345 unsigned int ucomp_bits; 00347 unsigned int vcomp_bits; 00349 unsigned int bit_rate; 00350 } dirac_enc_seqstats_t; 00351 00353 typedef struct 00354 { 00356 int x; 00358 int y; 00359 } dirac_mv_t; 00360 00362 typedef struct 00363 { 00365 float SAD; 00367 float mvcost; 00368 } dirac_mv_cost_t; 00369 00371 typedef struct 00372 { 00374 dirac_frame_type_t ftype; 00376 dirac_reference_type_t rtype; 00378 int fnum; 00380 int num_refs; 00382 int refs[2]; 00384 int xbsep; 00386 int ybsep; 00388 int mb_xlen; 00390 int mb_ylen; 00392 int mv_xlen; 00394 int mv_ylen; 00396 int *mb_split_mode; 00398 float *mb_costs; 00400 int *pred_mode; 00402 float *intra_costs; 00404 dirac_mv_cost_t *bipred_costs; 00406 short *dc_ycomp; 00408 short *dc_ucomp; 00410 short *dc_vcomp; 00412 dirac_mv_t *mv[2]; 00414 dirac_mv_cost_t *pred_costs[2]; 00415 } dirac_instr_t; 00416 00418 typedef struct 00419 { 00421 dirac_encoder_context_t enc_ctx; 00422 00424 int encoded_frame_avail; 00425 00430 dirac_enc_data_t enc_buf; 00431 00433 dirac_frameparams_t enc_fparams; 00434 00436 dirac_enc_framestats_t enc_fstats; 00437 00439 dirac_enc_seqstats_t enc_seqstats; 00440 00442 int end_of_sequence; 00443 00444 /* locally decoded frame available flag. 00445 1 - locally decoded frame available in dec_buf. 00446 0 - locally decoded frame not available. 00447 */ 00448 int decoded_frame_avail; 00449 00454 dirac_framebuf_t dec_buf; 00455 00457 dirac_frameparams_t dec_fparams; 00458 00462 dirac_instr_t instr; 00463 00468 int instr_data_avail; 00469 00471 const void *compressor; 00472 } dirac_encoder_t; 00473 00480 extern DllExport dirac_encoder_t *dirac_encoder_init (const dirac_encoder_context_t *enc_ctx, int verbose); 00481 00491 extern DllExport int dirac_encoder_load (dirac_encoder_t *encoder, unsigned char *uncdata, int uncdata_size); 00492 00502 extern DllExport dirac_encoder_state_t dirac_encoder_output (dirac_encoder_t *encoder); 00503 00511 extern DllExport int dirac_encoder_end_sequence (dirac_encoder_t *encoder); 00512 00517 extern DllExport void dirac_encoder_close (dirac_encoder_t *encoder); 00518 00519 #endif 00520 #ifdef __cplusplus 00521 } 00522 #endif
© 2004 British Broadcasting Corporation.
Dirac code licensed under the Mozilla Public License (MPL) Version 1.1.
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