MPEGfilter.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++
- /*
- SMPEG - SDL MPEG Player Library
- Copyright (C) 1999 Loki Entertainment Software
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public
- License as published by the Free Software Foundation; either
- version 2 of the License, or (at your option) any later version.
- This library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Library General Public License for more details.
- You should have received a copy of the GNU Library General Public
- License along with this library; if not, write to the Free
- Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
- /* MPEG filters */
- #ifndef _MPEGFILTER_H_
- #define _MPEGFILTER_H_
- /* SMPEG filter info flags */
- #define SMPEG_FILTER_INFO_MB_ERROR 1
- #define SMPEG_FILTER_INFO_PIXEL_ERROR 2
- /* Filter info from SMPEG */
- typedef struct SMPEG_FilterInfo {
- Uint16* yuv_mb_square_error;
- Uint16* yuv_pixel_square_error;
- } SMPEG_FilterInfo;
- /* MPEG filter definition */
- struct SMPEG_Filter;
- /* Callback functions for the filter */
- typedef void (* SMPEG_FilterCallback)( SDL_Overlay * dest, SDL_Overlay * source, SDL_Rect * region, SMPEG_FilterInfo * filter_info, void * data );
- typedef void (* SMPEG_FilterDestroy)( struct SMPEG_Filter * filter );
- /* The filter definition itself */
- typedef struct SMPEG_Filter {
- Uint32 flags;
- void * data;
- SMPEG_FilterCallback callback;
- SMPEG_FilterDestroy destroy;
- } SMPEG_Filter;
- /* SMPEG built-in filters. */
- #ifdef __cplusplus
- extern "C" {
- #endif
- /* The null filter (default). It simply copies the source rectangle to the video overlay. */
- extern DECLSPEC SMPEG_Filter * SMPEGfilter_null(void);
- /* The bilinear filter. A basic low-pass filter that will produce a smoother image. */
- extern DECLSPEC SMPEG_Filter * SMPEGfilter_bilinear(void);
- /* The deblocking filter. It filters block borders and non-intra coded blocks to reduce blockiness */
- extern DECLSPEC SMPEG_Filter * SMPEGfilter_deblocking(void);
- #ifdef __cplusplus
- };
- #endif
- #endif /* _MPEGFILTER_H_ */