Created by the British Broadcasting Corporation.
00001 /* ***** BEGIN LICENSE BLOCK ***** 00002 * 00003 * $Id: dirac_encoder.h,v 1.5 2005/09/27 13:44:26 dirac_dev Exp $ $Name: Dirac_0_5_4 $ 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 * 00025 * Alternatively, the contents of this file may be used under the terms of 00026 * the GNU General Public License Version 2 (the "GPL"), or the GNU Lesser 00027 * Public License Version 2.1 (the "LGPL"), in which case the provisions of 00028 * the GPL or the LGPL are applicable instead of those above. If you wish to 00029 * allow use of your version of this file only under the terms of the either 00030 * the GPL or LGPL and not to allow others to use your version of this file 00031 * under the MPL, indicate your decision by deleting the provisions above 00032 * and replace them with the notice and other provisions required by the GPL 00033 * or LGPL. If you do not delete the provisions above, a recipient may use 00034 * your version of this file under the terms of any one of the MPL, the GPL 00035 * or the LGPL. 00036 * ***** END LICENSE BLOCK ***** */ 00037 00038 #ifndef DIRAC_ENCODER_H 00039 #define DIRAC_ENCODER_H 00040 00041 #include <libdirac_common/dirac_types.h> 00042 00141 #ifdef __cplusplus 00142 extern "C" { 00143 #endif 00144 00146 typedef enum 00147 { 00148 ENC_STATE_INVALID = -1, 00149 ENC_STATE_BUFFER, 00150 ENC_STATE_AVAIL 00151 } dirac_encoder_state_t ; 00152 00155 typedef enum 00156 { 00157 CIF, 00158 SD576, 00159 HD720, 00160 HD1080 00161 } dirac_encoder_presets_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; 00186 } dirac_encparams_t; 00187 00189 typedef struct 00190 { 00192 dirac_seqparams_t seq_params; 00194 dirac_encparams_t enc_params; 00196 int instr_flag; 00199 int decode_flag; 00200 } dirac_encoder_context_t; 00201 00288 extern DllExport void dirac_encoder_context_init (dirac_encoder_context_t *enc_ctx, dirac_encoder_presets_t preset); 00289 00290 00292 typedef struct 00293 { 00295 unsigned char *buffer; 00297 int size; 00298 } dirac_enc_data_t; 00299 00301 typedef struct 00302 { 00304 unsigned int mv_bits; 00306 unsigned int mv_hdr_bits; 00308 unsigned int ycomp_bits; 00310 unsigned int ycomp_hdr_bits; 00312 unsigned int ucomp_bits; 00314 unsigned int ucomp_hdr_bits; 00316 unsigned int vcomp_bits; 00318 unsigned int vcomp_hdr_bits; 00320 unsigned int frame_bits; 00322 unsigned int frame_hdr_bits; 00323 } dirac_enc_framestats_t; 00324 00326 typedef struct 00327 { 00329 unsigned int mv_bits; 00331 unsigned int seq_bits; 00333 unsigned int seq_hdr_bits; 00335 unsigned int ycomp_bits; 00337 unsigned int ucomp_bits; 00339 unsigned int vcomp_bits; 00341 unsigned int bit_rate; 00342 } dirac_enc_seqstats_t; 00343 00345 typedef struct 00346 { 00348 int x; 00350 int y; 00351 } dirac_mv_t; 00352 00354 typedef struct 00355 { 00357 float SAD; 00359 float mvcost; 00360 } dirac_mv_cost_t; 00361 00363 typedef struct 00364 { 00366 dirac_frame_type_t ftype; 00368 int fnum; 00370 int num_refs; 00372 int refs[2]; 00374 int xbsep; 00376 int ybsep; 00378 int mb_xlen; 00380 int mb_ylen; 00382 int mv_xlen; 00384 int mv_ylen; 00386 int *mb_split_mode; 00388 int *mb_common_mode; 00390 float *mb_costs; 00392 int *pred_mode; 00394 float *intra_costs; 00396 dirac_mv_cost_t *bipred_costs; 00398 short *dc_ycomp; 00400 short *dc_ucomp; 00402 short *dc_vcomp; 00404 dirac_mv_t *mv[2]; 00406 dirac_mv_cost_t *pred_costs[2]; 00407 } dirac_instr_t; 00408 00410 typedef struct 00411 { 00413 dirac_encoder_context_t enc_ctx; 00414 00416 int encoded_frame_avail; 00417 00422 dirac_enc_data_t enc_buf; 00423 00425 dirac_frameparams_t enc_fparams; 00426 00428 dirac_enc_framestats_t enc_fstats; 00429 00431 dirac_enc_seqstats_t enc_seqstats; 00432 00434 int end_of_sequence; 00435 00436 /* locally decoded frame available flag. 00437 1 - locally decoded frame available in dec_buf. 00438 0 - locally decoded frame not available. 00439 */ 00440 int decoded_frame_avail; 00441 00446 dirac_framebuf_t dec_buf; 00447 00449 dirac_frameparams_t dec_fparams; 00450 00454 dirac_instr_t instr; 00455 00460 int instr_data_avail; 00461 00463 const void *compressor; 00464 } dirac_encoder_t; 00465 00472 extern DllExport dirac_encoder_t *dirac_encoder_init (const dirac_encoder_context_t *enc_ctx, int verbose); 00473 00483 extern DllExport int dirac_encoder_load (dirac_encoder_t *encoder, unsigned char *uncdata, int uncdata_size); 00484 00494 extern DllExport dirac_encoder_state_t dirac_encoder_output (dirac_encoder_t *encoder); 00495 00503 extern DllExport int dirac_encoder_end_sequence (dirac_encoder_t *encoder); 00504 00509 extern DllExport void dirac_encoder_close (dirac_encoder_t *encoder); 00510 00511 #endif 00512 #ifdef __cplusplus 00513 } 00514 #endif
© 2004 British Broadcasting Corporation.
Dirac code licensed under the Mozilla Public License (MPL) Version 1.1.
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