monopred.h
资源名称:NETVIDEO.rar [点击查看]
上传用户:sun1608
上传日期:2007-02-02
资源大小:6116k
文件大小:2k
源码类别:
流媒体/Mpeg4/MP4
开发平台:
Visual C++
- /************************* MPEG-2 NBC Audio Decoder **************************
- * *
- "This software module was originally developed by
- Bernd Edler and Hendrik Fuchs, University of Hannover in the course of
- development of the MPEG-2 NBC/MPEG-4 Audio standard ISO/IEC 13818-7,
- 14496-1,2 and 3. This software module is an implementation of a part of one or more
- MPEG-2 NBC/MPEG-4 Audio tools as specified by the MPEG-2 NBC/MPEG-4
- Audio standard. ISO/IEC gives users of the MPEG-2 NBC/MPEG-4 Audio
- standards free license to this software module or modifications thereof for use in
- hardware or software products claiming conformance to the MPEG-2 NBC/MPEG-4
- Audio standards. Those intending to use this software module in hardware or
- software products are advised that this use may infringe existing patents.
- The original developer of this software module and his/her company, the subsequent
- editors and their companies, and ISO/IEC have no liability for use of this software
- module or modifications thereof in an implementation. Copyright is not released for
- non MPEG-2 NBC/MPEG-4 Audio conforming products.The original developer
- retains full right to use the code for his/her own purpose, assign or donate the
- code to a third party and to inhibit third party from using the code for non
- MPEG-2 NBC/MPEG-4 Audio conforming products. This copyright notice must
- be included in all copies or derivative works."
- Copyright(c)1996.
- * *
- ****************************************************************************/
- /*
- * $Id: monopred.h,v 1.2 2002/01/09 22:25:41 wmay Exp $
- */
- #ifndef _monopred_h_
- #define _monopred_h_
- #define MAX_PGRAD 2
- #define MINVAR 1
- #define Q_ZERO 0x0000
- #define Q_ONE 0x3F80
- /* Predictor status information for mono predictor */
- typedef struct {
- short r[MAX_PGRAD]; /* contents of delay elements */
- short kor[MAX_PGRAD]; /* estimates of correlations */
- short var[MAX_PGRAD]; /* estimates of variances */
- } PRED_STATUS;
- typedef struct {
- float r[MAX_PGRAD]; /* contents of delay elements */
- float kor[MAX_PGRAD]; /* estimates of correlations */
- float var[MAX_PGRAD]; /* estimates of variances */
- } TMP_PRED_STATUS;
- #endif /* _monopred_h_ */