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| 1 : | edgomez | 1.7 | /***************************************************************************** |
| 2 : | * | ||
| 3 : | * XVID MPEG-4 VIDEO CODEC | ||
| 4 : | * - Decoder header - | ||
| 5 : | * | ||
| 6 : | * This program is an implementation of a part of one or more MPEG-4 | ||
| 7 : | * Video tools as specified in ISO/IEC 14496-2 standard. Those intending | ||
| 8 : | * to use this software module in hardware or software products are | ||
| 9 : | * advised that its use may infringe existing patents or copyrights, and | ||
| 10 : | * any such use would be at such party's own risk. The original | ||
| 11 : | * developer of this software module and his/her company, and subsequent | ||
| 12 : | * editors and their companies, will have no liability for use of this | ||
| 13 : | * software or modifications or derivatives thereof. | ||
| 14 : | * | ||
| 15 : | * This program is free software ; you can redistribute it and/or modify | ||
| 16 : | * it under the terms of the GNU General Public License as published by | ||
| 17 : | * the Free Software Foundation ; either version 2 of the License, or | ||
| 18 : | * (at your option) any later version. | ||
| 19 : | * | ||
| 20 : | * This program is distributed in the hope that it will be useful, | ||
| 21 : | * but WITHOUT ANY WARRANTY ; without even the implied warranty of | ||
| 22 : | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 23 : | * GNU General Public License for more details. | ||
| 24 : | * | ||
| 25 : | * You should have received a copy of the GNU General Public License | ||
| 26 : | * along with this program ; if not, write to the Free Software | ||
| 27 : | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
| 28 : | * | ||
| 29 : | ****************************************************************************/ | ||
| 30 : | /***************************************************************************** | ||
| 31 : | * | ||
| 32 : | * History | ||
| 33 : | * | ||
| 34 : | * - 13.06.2002 Added legal header - Cosmetic | ||
| 35 : | * | ||
| 36 : | chenm001 | 1.8 | * $Id: decoder.h,v 1.7 2002/06/13 21:53:08 edgomez Exp $ |
| 37 : | edgomez | 1.7 | * |
| 38 : | ****************************************************************************/ | ||
| 39 : | |||
| 40 : | Isibaar | 1.1 | #ifndef _DECODER_H_ |
| 41 : | #define _DECODER_H_ | ||
| 42 : | |||
| 43 : | #include "xvid.h" | ||
| 44 : | #include "portab.h" | ||
| 45 : | #include "global.h" | ||
| 46 : | #include "image/image.h" | ||
| 47 : | |||
| 48 : | edgomez | 1.7 | /***************************************************************************** |
| 49 : | * Structures | ||
| 50 : | ****************************************************************************/ | ||
| 51 : | Isibaar | 1.1 | |
| 52 : | typedef struct | ||
| 53 : | { | ||
| 54 : | // bitstream | ||
| 55 : | |||
| 56 : | uint32_t shape; | ||
| 57 : | uint32_t time_inc_bits; | ||
| 58 : | uint32_t quant_bits; | ||
| 59 : | uint32_t quant_type; | ||
| 60 : | uint32_t quarterpel; | ||
| 61 : | |||
| 62 : | h | 1.2 | uint32_t interlacing; |
| 63 : | uint32_t top_field_first; | ||
| 64 : | uint32_t alternate_vertical_scan; | ||
| 65 : | |||
| 66 : | Isibaar | 1.1 | // image |
| 67 : | |||
| 68 : | uint32_t width; | ||
| 69 : | uint32_t height; | ||
| 70 : | uint32_t edged_width; | ||
| 71 : | uint32_t edged_height; | ||
| 72 : | edgomez | 1.6 | |
| 73 : | Isibaar | 1.1 | IMAGE cur; |
| 74 : | edgomez | 1.6 | IMAGE refn[3]; // 0 -- last I or P VOP |
| 75 : | // 1 -- first I or P | ||
| 76 : | // 2 -- for interpolate mode B-frame | ||
| 77 : | Isibaar | 1.1 | IMAGE refh; |
| 78 : | IMAGE refv; | ||
| 79 : | IMAGE refhv; | ||
| 80 : | |||
| 81 : | // macroblock | ||
| 82 : | |||
| 83 : | uint32_t mb_width; | ||
| 84 : | uint32_t mb_height; | ||
| 85 : | edgomez | 1.6 | MACROBLOCK *mbs; |
| 86 : | Isibaar | 1.1 | |
| 87 : | chenm001 | 1.4 | // for B-frame |
| 88 : | edgomez | 1.6 | int32_t frames; // total frame number |
| 89 : | int8_t scalability; | ||
| 90 : | VECTOR p_fmv, p_bmv; // pred forward & backward motion vector | ||
| 91 : | MACROBLOCK *last_mbs; // last MB | ||
| 92 : | int64_t time; // for record time | ||
| 93 : | int64_t time_base; | ||
| 94 : | int64_t last_time_base; | ||
| 95 : | int64_t last_non_b_time; | ||
| 96 : | uint32_t time_pp; | ||
| 97 : | uint32_t time_bp; | ||
| 98 : | uint8_t low_delay; // low_delay flage (1 means no B_VOP) | ||
| 99 : | } | ||
| 100 : | DECODER; | ||
| 101 : | Isibaar | 1.1 | |
| 102 : | edgomez | 1.7 | /***************************************************************************** |
| 103 : | * Decoder prototypes | ||
| 104 : | ****************************************************************************/ | ||
| 105 : | |||
| 106 : | Isibaar | 1.1 | void init_decoder(uint32_t cpu_flags); |
| 107 : | |||
| 108 : | int decoder_create(XVID_DEC_PARAM * param); | ||
| 109 : | chenm001 | 1.8 | //NIC |
| 110 : | int IM1_decoder_create(XVID_DEC_PARAM * param,XVID_DEC_FRAME * frame); | ||
| 111 : | //ND NIC | ||
| 112 : | Isibaar | 1.1 | int decoder_destroy(DECODER * dec); |
| 113 : | edgomez | 1.6 | int decoder_decode(DECODER * dec, |
| 114 : | XVID_DEC_FRAME * frame); | ||
| 115 : | Isibaar | 1.1 | |
| 116 : | |||
| 117 : | edgomez | 1.7 | #endif |
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