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# dirac_encoder.h

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    00001 /* ***** BEGIN LICENSE BLOCK *****
    00002 *
    00003 * $Id: dirac_encoder.h,v 1.1 2005/01/30 05:11:41 gabest 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 *
    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     float qf;
    00169     int L1_sep;
    00173     int num_L1;
    00175     float cpd;
    00177     int xblen;
    00179     int yblen;
    00181     int xbsep;
    00183     int ybsep;
    00184 } dirac_encparams_t;
    00185
    00187 typedef struct
    00188 {
    00190     dirac_seqparams_t seq_params;
    00192     dirac_encparams_t enc_params;
    00194     int instr_flag;
    00197     int decode_flag;
    00198 } dirac_encoder_context_t;
    00199
    00282 extern DllExport void dirac_encoder_context_init (dirac_encoder_context_t *enc_ctx, dirac_encoder_presets_t preset);
    00283
    00284
    00286 typedef struct
    00287 {
    00289     unsigned char *buffer;
    00291     int size;
    00292 } dirac_enc_data_t;
    00293
    00295 typedef struct
    00296 {
    00298     unsigned int mv_bits;
    00300     unsigned int mv_hdr_bits;
    00302     unsigned int ycomp_bits;
    00304     unsigned int ycomp_hdr_bits;
    00306     unsigned int ucomp_bits;
    00308     unsigned int ucomp_hdr_bits;
    00310     unsigned int vcomp_bits;
    00312     unsigned int vcomp_hdr_bits;
    00314     unsigned int frame_bits;
    00316     unsigned int frame_hdr_bits;
    00317 } dirac_enc_framestats_t;
    00318
    00320 typedef struct
    00321 {
    00323     unsigned int mv_bits;
    00325     unsigned int seq_bits;
    00327     unsigned int seq_hdr_bits;
    00329     unsigned int ycomp_bits;
    00331     unsigned int ucomp_bits;
    00333     unsigned int vcomp_bits;
    00335     unsigned int bit_rate;
    00336 } dirac_enc_seqstats_t;
    00337
    00339 typedef struct
    00340 {
    00342     int x;
    00344     int y;
    00345 } dirac_mv_t;
    00346
    00348 typedef struct
    00349 {
    00351     float SAD;
    00353     float mvcost;
    00354 } dirac_mv_cost_t;
    00355
    00357 typedef struct
    00358 {
    00360     dirac_frame_type_t ftype;
    00362     int fnum;
    00364     int num_refs;
    00366     int refs[2];
    00368     int xbsep;
    00370     int ybsep;
    00372     int mb_xlen;
    00374     int mb_ylen;
    00376     int mv_xlen;
    00378     int mv_ylen;
    00380     int *mb_split_mode;
    00382     int *mb_common_mode;
    00384     float *mb_costs;
    00386     int *pred_mode;
    00388     float *intra_costs;
    00390     dirac_mv_cost_t *bipred_costs;
    00392     short *dc_ycomp;
    00394     short *dc_ucomp;
    00396     short *dc_vcomp;
    00398     dirac_mv_t *mv[2];
    00400     dirac_mv_cost_t *pred_costs[2];
    00401 } dirac_instr_t;
    00402
    00404 typedef struct
    00405 {
    00407     dirac_encoder_context_t enc_ctx;
    00408
    00410     int encoded_frame_avail;
    00411
    00416     dirac_enc_data_t enc_buf;
    00417
    00419     dirac_frameparams_t enc_fparams;
    00420
    00422     dirac_enc_framestats_t enc_fstats;
    00423
    00425     dirac_enc_seqstats_t enc_seqstats;
    00426
    00428     int end_of_sequence;
    00429
    00430     /* locally decoded frame available flag.
    00431        1 - locally decoded frame available in dec_buf.
    00432        0 - locally decoded frame not available.
    00433     */
    00434     int decoded_frame_avail;
    00435
    00440     dirac_framebuf_t dec_buf;
    00441
    00443     dirac_frameparams_t dec_fparams;
    00444
    00448     dirac_instr_t instr;
    00449
    00454     int instr_data_avail;
    00455
    00457     const void *compressor;
    00458 } dirac_encoder_t;
    00459
    00466 extern DllExport dirac_encoder_t *dirac_encoder_init (const dirac_encoder_context_t *enc_ctx, int verbose);
    00467
    00477 extern DllExport int dirac_encoder_load (dirac_encoder_t *encoder, unsigned char *uncdata, int uncdata_size);
    00478
    00488 extern DllExport dirac_encoder_state_t dirac_encoder_output (dirac_encoder_t *encoder);
    00489
    00497 extern DllExport int dirac_encoder_end_sequence (dirac_encoder_t *encoder);
    00498
    00503 extern DllExport void dirac_encoder_close (dirac_encoder_t *encoder);
    00504
    00505 #endif
    00506 #ifdef __cplusplus
    00507 }
    00508 #endif