Created by the British Broadcasting Corporation.
00001 /* ***** BEGIN LICENSE BLOCK ***** 00002 * 00003 * $Id: dirac_encoder.h,v 1.19 2007/12/05 01:42:40 asuraparaju Exp $ $Name: Dirac_0_9_1 $ 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 * Myo Tun (Brunel University, myo.tun@brunel.ac.uk) 00027 * 00028 * Alternatively, the contents of this file may be used under the terms of 00029 * the GNU General Public License Version 2 (the "GPL"), or the GNU Lesser 00030 * Public License Version 2.1 (the "LGPL"), in which case the provisions of 00031 * the GPL or the LGPL are applicable instead of those above. If you wish to 00032 * allow use of your version of this file only under the terms of the either 00033 * the GPL or LGPL and not to allow others to use your version of this file 00034 * under the MPL, indicate your decision by deleting the provisions above 00035 * and replace them with the notice and other provisions required by the GPL 00036 * or LGPL. If you do not delete the provisions above, a recipient may use 00037 * your version of this file under the terms of any one of the MPL, the GPL 00038 * or the LGPL. 00039 * ***** END LICENSE BLOCK ***** */ 00040 00041 #ifndef DIRAC_ENCODER_H 00042 #define DIRAC_ENCODER_H 00043 00044 #include <libdirac_common/dirac_types.h> 00045 00144 #ifdef __cplusplus 00145 extern "C" { 00146 #endif 00147 00149 typedef enum 00150 { 00151 ENC_STATE_INVALID = -1, 00152 ENC_STATE_BUFFER, 00153 ENC_STATE_AVAIL 00154 } dirac_encoder_state_t ; 00155 00158 typedef VideoFormat dirac_encoder_presets_t; 00159 00162 typedef MVPrecisionType dirac_mvprecision_t; 00163 00165 typedef struct 00166 { 00168 int lossless; 00170 float qf; 00172 int full_search; 00174 int x_range_me; 00176 int y_range_me; 00178 int L1_sep; 00182 int num_L1; 00184 float cpd; 00186 int xblen; 00188 int yblen; 00190 int xbsep; 00192 int ybsep; 00194 int video_format; 00196 dirac_wlt_filter_t intra_wlt_filter; 00198 dirac_wlt_filter_t inter_wlt_filter; 00200 unsigned int wlt_depth; 00202 unsigned int spatial_partition; 00204 unsigned int denoise; 00206 unsigned int multi_quants; 00208 dirac_mvprecision_t mv_precision; 00210 int trate; 00212 unsigned int picture_coding_mode; 00214 int using_ac; 00215 } dirac_encparams_t; 00216 00218 typedef struct 00219 { 00221 dirac_sourceparams_t src_params; 00223 dirac_encparams_t enc_params; 00225 int instr_flag; 00228 int decode_flag; 00229 } dirac_encoder_context_t; 00230 00243 extern DllExport void dirac_encoder_context_init (dirac_encoder_context_t *enc_ctx, dirac_encoder_presets_t preset); 00244 00245 00247 typedef struct 00248 { 00250 unsigned char *buffer; 00252 int size; 00253 } dirac_enc_data_t; 00254 00256 typedef struct 00257 { 00259 unsigned int mv_bits; 00261 unsigned int ycomp_bits; 00263 unsigned int ucomp_bits; 00265 unsigned int vcomp_bits; 00267 unsigned int frame_bits; 00268 } dirac_enc_framestats_t; 00269 00271 typedef struct 00272 { 00274 unsigned int mv_bits; 00276 unsigned int seq_bits; 00278 unsigned int ycomp_bits; 00280 unsigned int ucomp_bits; 00282 unsigned int vcomp_bits; 00284 unsigned int bit_rate; 00285 } dirac_enc_seqstats_t; 00286 00288 typedef struct 00289 { 00291 int x; 00293 int y; 00294 } dirac_mv_t; 00295 00297 typedef struct 00298 { 00300 float SAD; 00302 float mvcost; 00303 } dirac_mv_cost_t; 00304 00306 typedef struct 00307 { 00309 dirac_frame_type_t ftype; 00311 dirac_reference_type_t rtype; 00313 int fnum; 00315 int num_refs; 00317 int refs[2]; 00319 int xbsep; 00321 int ybsep; 00323 int mb_xlen; 00325 int mb_ylen; 00327 int mv_xlen; 00329 int mv_ylen; 00331 int *mb_split_mode; 00333 float *mb_costs; 00335 int *pred_mode; 00337 float *intra_costs; 00339 dirac_mv_cost_t *bipred_costs; 00341 short *dc_ycomp; 00343 short *dc_ucomp; 00345 short *dc_vcomp; 00347 dirac_mv_t *mv[2]; 00349 dirac_mv_cost_t *pred_costs[2]; 00350 } dirac_instr_t; 00351 00353 typedef struct 00354 { 00356 dirac_encoder_context_t enc_ctx; 00357 00359 int encoded_frame_avail; 00360 00365 dirac_enc_data_t enc_buf; 00366 00368 dirac_frameparams_t enc_fparams; 00369 00371 dirac_enc_framestats_t enc_fstats; 00372 00374 dirac_enc_seqstats_t enc_seqstats; 00375 00377 int end_of_sequence; 00378 00379 /* locally decoded frame available flag. 00380 1 - locally decoded frame available in dec_buf. 00381 0 - locally decoded frame not available. 00382 */ 00383 int decoded_frame_avail; 00384 00389 dirac_framebuf_t dec_buf; 00390 00392 dirac_frameparams_t dec_fparams; 00393 00397 dirac_instr_t instr; 00398 00403 int instr_data_avail; 00404 00406 const void *compressor; 00407 } dirac_encoder_t; 00408 00415 extern DllExport dirac_encoder_t *dirac_encoder_init (const dirac_encoder_context_t *enc_ctx, int verbose); 00416 00426 extern DllExport int dirac_encoder_load (dirac_encoder_t *encoder, unsigned char *uncdata, int uncdata_size); 00427 00437 extern DllExport dirac_encoder_state_t dirac_encoder_output (dirac_encoder_t *encoder); 00438 00446 extern DllExport int dirac_encoder_end_sequence (dirac_encoder_t *encoder); 00447 00452 extern DllExport void dirac_encoder_close (dirac_encoder_t *encoder); 00453 00454 #endif 00455 #ifdef __cplusplus 00456 } 00457 #endif
© 2004 British Broadcasting Corporation.
Dirac code licensed under the Mozilla Public License (MPL) Version 1.1.
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