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| 1 : | edgomez | 1.4 | /***************************************************************************** |
| 2 : | * | ||
| 3 : | * XVID MPEG-4 VIDEO CODEC | ||
| 4 : | * - Mpeg4 quantization/dequantization header - | ||
| 5 : | * | ||
| 6 : | * Copyright(C) 2002 Peter Ross | ||
| 7 : | * | ||
| 8 : | * This program is an implementation of a part of one or more MPEG-4 | ||
| 9 : | * Video tools as specified in ISO/IEC 14496-2 standard. Those intending | ||
| 10 : | * to use this software module in hardware or software products are | ||
| 11 : | * advised that its use may infringe existing patents or copyrights, and | ||
| 12 : | * any such use would be at such party's own risk. The original | ||
| 13 : | * developer of this software module and his/her company, and subsequent | ||
| 14 : | * editors and their companies, will have no liability for use of this | ||
| 15 : | * software or modifications or derivatives thereof. | ||
| 16 : | * | ||
| 17 : | * This program is free software ; you can redistribute it and/or modify | ||
| 18 : | * it under the terms of the GNU General Public License as published by | ||
| 19 : | * the Free Software Foundation ; either version 2 of the License, or | ||
| 20 : | * (at your option) any later version. | ||
| 21 : | * | ||
| 22 : | * This program is distributed in the hope that it will be useful, | ||
| 23 : | * but WITHOUT ANY WARRANTY ; without even the implied warranty of | ||
| 24 : | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 25 : | * GNU General Public License for more details. | ||
| 26 : | * | ||
| 27 : | * You should have received a copy of the GNU General Public License | ||
| 28 : | * along with this program ; if not, write to the Free Software | ||
| 29 : | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
| 30 : | * | ||
| 31 : | * $Id: quant_mpeg4.c,v 1.4 2002/09/07 11:21:10 edgomez Exp $ | ||
| 32 : | * | ||
| 33 : | ****************************************************************************/ | ||
| 34 : | |||
| 35 : | Isibaar | 1.1 | #ifndef _QUANT_MPEG4_H_ |
| 36 : | #define _QUANT_MPEG4_H_ | ||
| 37 : | |||
| 38 : | #include "../portab.h" | ||
| 39 : | |||
| 40 : | edgomez | 1.4 | /***************************************************************************** |
| 41 : | * Prototypes | ||
| 42 : | ****************************************************************************/ | ||
| 43 : | |||
| 44 : | /* intra */ | ||
| 45 : | edgomez | 1.3 | typedef void (quant_intraFunc) (int16_t * coeff, |
| 46 : | const int16_t * data, | ||
| 47 : | const uint32_t quant, | ||
| 48 : | const uint32_t dcscalar); | ||
| 49 : | Isibaar | 1.1 | |
| 50 : | edgomez | 1.3 | typedef quant_intraFunc *quant_intraFuncPtr; |
| 51 : | Isibaar | 1.1 | |
| 52 : | extern quant_intraFuncPtr quant4_intra; | ||
| 53 : | extern quant_intraFuncPtr dequant4_intra; | ||
| 54 : | |||
| 55 : | quant_intraFunc quant4_intra_c; | ||
| 56 : | quant_intraFunc quant4_intra_mmx; | ||
| 57 : | |||
| 58 : | quant_intraFunc dequant4_intra_c; | ||
| 59 : | quant_intraFunc dequant4_intra_mmx; | ||
| 60 : | |||
| 61 : | edgomez | 1.4 | /* inter_quant */ |
| 62 : | edgomez | 1.3 | typedef uint32_t(quant_interFunc) (int16_t * coeff, |
| 63 : | const int16_t * data, | ||
| 64 : | const uint32_t quant); | ||
| 65 : | Isibaar | 1.1 | |
| 66 : | edgomez | 1.3 | typedef quant_interFunc *quant_interFuncPtr; |
| 67 : | Isibaar | 1.1 | |
| 68 : | extern quant_interFuncPtr quant4_inter; | ||
| 69 : | |||
| 70 : | quant_interFunc quant4_inter_c; | ||
| 71 : | quant_interFunc quant4_inter_mmx; | ||
| 72 : | |||
| 73 : | edgomez | 1.4 | /* inter_dequant */ |
| 74 : | edgomez | 1.3 | typedef void (dequant_interFunc) (int16_t * coeff, |
| 75 : | const int16_t * data, | ||
| 76 : | const uint32_t quant); | ||
| 77 : | Isibaar | 1.1 | |
| 78 : | edgomez | 1.3 | typedef dequant_interFunc *dequant_interFuncPtr; |
| 79 : | Isibaar | 1.1 | |
| 80 : | extern dequant_interFuncPtr dequant4_inter; | ||
| 81 : | |||
| 82 : | dequant_interFunc dequant4_inter_c; | ||
| 83 : | dequant_interFunc dequant4_inter_mmx; | ||
| 84 : | |||
| 85 : | edgomez | 1.4 | #endif /* _QUANT_MPEG4_H_ */ |
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