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* XVID MPEG-4 VIDEO CODEC |
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* - Decoder header - |
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* |
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* This file is part of XviD, a free MPEG-4 video encoder/decoder |
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* |
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* XviD is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* This program is an implementation of a part of one or more MPEG-4 |
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* Video tools as specified in ISO/IEC 14496-2 standard. Those intending |
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* to use this software module in hardware or software products are |
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* advised that its use may infringe existing patents or copyrights, and |
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* any such use would be at such party's own risk. The original |
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* developer of this software module and his/her company, and subsequent |
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* editors and their companies, will have no liability for use of this |
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* software or modifications or derivatives thereof. |
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* |
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* This program is free software ; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation ; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* but WITHOUT ANY WARRANTY ; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* along with this program ; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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* |
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* Under section 8 of the GNU General Public License, the copyright |
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* holders of XVID explicitly forbid distribution in the following |
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* countries: |
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* |
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* - Japan |
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* - United States of America |
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* |
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* Linking XviD statically or dynamically with other modules is making a |
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* combined work based on XviD. Thus, the terms and conditions of the |
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* GNU General Public License cover the whole combination. |
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* |
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* As a special exception, the copyright holders of XviD give you |
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* permission to link XviD with independent modules that communicate with |
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* XviD solely through the VFW1.1 and DShow interfaces, regardless of the |
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* license terms of these independent modules, and to copy and distribute |
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* the resulting combined work under terms of your choice, provided that |
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* every copy of the combined work is accompanied by a complete copy of |
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* the source code of XviD (the version of XviD used to produce the |
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* combined work), being distributed under the terms of the GNU General |
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* Public License plus this exception. An independent module is a module |
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* which is not derived from or based on XviD. |
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* |
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* Note that people who make modified versions of XviD are not obligated |
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* to grant this special exception for their modified versions; it is |
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* their choice whether to do so. The GNU General Public License gives |
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* permission to release a modified version without this exception; this |
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* exception also makes it possible to release a modified version which |
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* carries forward this exception. |
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****************************************************************************/ |
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/***************************************************************************** |
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* |
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* History |
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* |
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* $Id$ |
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* - 13.06.2002 Added legal header - Cosmetic |
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* |
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* $Id$ |
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* |
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****************************************************************************/ |
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|
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* Structures |
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****************************************************************************/ |
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|
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/* complexity estimation toggles */ |
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typedef struct |
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{ |
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/* bitstream */ |
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int method; |
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|
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uint32_t shape; |
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int opaque; |
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int transparent; |
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int intra_cae; |
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int inter_cae; |
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int no_update; |
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int upsampling; |
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|
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int intra_blocks; |
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int inter_blocks; |
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int inter4v_blocks; |
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int gmc_blocks; |
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int not_coded_blocks; |
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|
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int dct_coefs; |
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int dct_lines; |
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int vlc_symbols; |
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int vlc_bits; |
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|
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int apm; |
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int npm; |
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int interpolate_mc_q; |
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int forw_back_mc_q; |
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int halfpel2; |
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int halfpel4; |
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|
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int sadct; |
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int quarterpel; |
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} ESTIMATION; |
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|
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|
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typedef struct |
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{ |
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// vol bitstream |
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|
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int time_inc_resolution; |
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int fixed_time_inc; |
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uint32_t time_inc_bits; |
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|
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uint32_t shape; |
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uint32_t quant_bits; |
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uint32_t quant_type; |
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uint32_t quarterpel; |
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int32_t quarterpel; |
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int complexity_estimation_disable; |
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ESTIMATION estimation; |
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|
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uint32_t interlacing; |
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int interlacing; |
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uint32_t top_field_first; |
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uint32_t alternate_vertical_scan; |
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|
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/* image */ |
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int aspect_ratio; |
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int par_width; |
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int par_height; |
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|
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int sprite_enable; |
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int sprite_warping_points; |
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int sprite_warping_accuracy; |
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int sprite_brightness_change; |
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|
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int newpred_enable; |
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int reduced_resolution_enable; |
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|
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// image |
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int fixed_dimensions; |
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uint32_t width; |
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uint32_t height; |
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uint32_t edged_width; |
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uint32_t edged_height; |
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|
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IMAGE cur; |
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IMAGE refn[3]; /* 0 -- last I or P VOP */ |
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/* 1 -- first I or P */ |
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/* 2 -- for interpolate mode B-frame */ |
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IMAGE refh; |
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IMAGE refv; |
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IMAGE refhv; |
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IMAGE refn[2]; // 0 -- last I or P VOP |
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// 1 -- first I or P |
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IMAGE tmp; /* bframe interpolation, and post processing tmp buffer */ |
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IMAGE qtmp; /* quarter pel tmp buffer */ |
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|
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/* macroblock */ |
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// macroblock |
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uint32_t mb_width; |
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uint32_t mb_height; |
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MACROBLOCK *mbs; |
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|
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/* for B-frame */ |
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int32_t frames; /* total frame number */ |
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// for B-frame & low_delay==0 |
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// XXX: should move frame based stuff into a DECODER_FRAMEINFO struct */ |
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MACROBLOCK *last_mbs; // last MB |
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int last_reduced_resolution; // last reduced_resolution value |
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int32_t frames; // total frame number |
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int32_t packed_mode; // bframes packed bitstream? (1 = yes) |
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int8_t scalability; |
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VECTOR p_fmv, p_bmv; /* pred forward & backward motion vector */ |
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MACROBLOCK *last_mbs; /* last MB */ |
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int64_t time; /* for record time */ |
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VECTOR p_fmv, p_bmv; // pred forward & backward motion vector |
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int64_t time; // for record time |
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int64_t time_base; |
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int64_t last_time_base; |
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int64_t last_non_b_time; |
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uint32_t time_pp; |
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uint32_t time_bp; |
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uint8_t low_delay; /* low_delay flage (1 means no B_VOP) */ |
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uint32_t low_delay; // low_delay flage (1 means no B_VOP) |
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uint32_t low_delay_default; // default value for low_delay flag |
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|
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XVID_DEC_PICTURE* out_frm; /* This is used for slice rendering */ |
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// for GMC: central place for all parameters |
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|
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IMAGE gmc; /* gmc tmp buffer, remove for blockbased compensation */ |
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GMC_DATA gmc_data; |
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|
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XVID_DEC_PICTURE* out_frm; // This is used for slice rendering |
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} |
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DECODER; |
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int decoder_create(XVID_DEC_PARAM * param); |
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int decoder_destroy(DECODER * dec); |
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int decoder_decode(DECODER * dec, |
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XVID_DEC_FRAME * frame); |
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XVID_DEC_FRAME * frame, XVID_DEC_STATS * stats); |
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#endif |
