English
driverproc.c
资源名称：chapter15.rar [点击查看]
上传用户：hjq518
上传日期：2021-12-09
资源大小：5084k
文件大小：7k
源码类别：
Audio
开发平台：
Visual C++
- /*****************************************************************************
- * drvproc.c: vfw x264 wrapper
- *****************************************************************************
- * Copyright (C) 2003 Laurent Aimar
- * $Id: driverproc.c,v 1.1 2004/06/03 19:27:09 fenrir Exp $
- *
- * Authors: Justin Clay
- * Laurent Aimar <fenrir@via.ecp.fr>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
- *****************************************************************************/
- #include "x264vfw.h"
- /* Global dll instance */
- HINSTANCE g_hInst;
- /* Calling back point for our DLL so we can keep track of the window in g_hInst */
- BOOL WINAPI DllMain( HANDLE hModule, DWORD ul_reason_for_call, LPVOID lpReserved )
- {
- g_hInst = (HINSTANCE) hModule;
- return TRUE;
- }
- /* This little puppy handles the calls which vfw programs send out to the codec */
- LRESULT WINAPI DriverProc( DWORD dwDriverId, HDRVR hDriver, UINT uMsg, LPARAM lParam1, LPARAM lParam2 )
- {
- CODEC *codec = (CODEC *)dwDriverId;
- switch( uMsg )
- {
- case DRV_LOAD:
- case DRV_FREE:
- return DRV_OK;
- case DRV_OPEN:
- {
- ICOPEN *icopen = (ICOPEN *)lParam2;
- if( icopen != NULL && icopen->fccType != ICTYPE_VIDEO )
- return DRV_CANCEL;
- if( ( codec = malloc( sizeof( CODEC ) ) ) == NULL )
- {
- if( icopen != NULL )
- icopen->dwError = ICERR_MEMORY;
- return 0;
- }
- memset( codec, 0, sizeof( CODEC ) );
- config_reg_load( &codec->config );
- codec->h = NULL;
- if( icopen != NULL )
- icopen->dwError = ICERR_OK;
- return (LRESULT)codec;
- }
- case DRV_CLOSE:
- /* From xvid: compress_end/decompress_end don't always get called */
- compress_end(codec);
- free( codec );
- return DRV_OK;
- case DRV_DISABLE:
- case DRV_ENABLE:
- return DRV_OK;
- case DRV_INSTALL:
- case DRV_REMOVE:
- return DRV_OK;
- case DRV_QUERYCONFIGURE:
- case DRV_CONFIGURE:
- return DRV_CANCEL;
- /* info */
- case ICM_GETINFO:
- {
- ICINFO *icinfo = (ICINFO *)lParam1;
- /* return a description */
- icinfo->fccType = ICTYPE_VIDEO;
- icinfo->fccHandler = FOURCC_X264;
- icinfo->dwFlags = VIDCF_COMPRESSFRAMES | VIDCF_FASTTEMPORALC;
- icinfo->dwVersion = 0;
- icinfo->dwVersionICM = ICVERSION;
- wcscpy( icinfo->szName, X264_NAME_L);
- wcscpy( icinfo->szDescription, X264_DESC_L);
- return lParam2; /* size of struct */
- }
- case ICM_ABOUT:
- if( lParam1 != -1 )
- {
- DialogBoxParam(g_hInst, MAKEINTRESOURCE(IDD_ABOUT), (HWND)lParam1, callback_about, 0 );
- }
- return ICERR_OK;
- case ICM_CONFIGURE:
- if( lParam1 != -1 )
- {
- CONFIG temp;
- codec->config.b_save = FALSE;
- memcpy( &temp, &codec->config, sizeof(CONFIG) );
- DialogBoxParam( g_hInst, MAKEINTRESOURCE(IDD_MAINCONFIG), (HWND)lParam1, callback_main, (LPARAM)&temp );
- if( temp.b_save )
- {
- memcpy( &codec->config, &temp, sizeof(CONFIG) );
- config_reg_save( &codec->config );
- }
- }
- return ICERR_OK;
- case ICM_GETSTATE:
- if( (void*)lParam1 == NULL )
- {
- return sizeof( CONFIG );
- }
- memcpy( (void*)lParam1, &codec->config, sizeof( CONFIG ) );
- return ICERR_OK;
- case ICM_SETSTATE:
- if( (void*)lParam1 == NULL )
- {
- config_reg_load( &codec->config );
- return 0;
- }
- memcpy( &codec->config, (void*)lParam1, sizeof( CONFIG ) );
- return 0;
- /* not sure the difference, private/public data? */
- case ICM_GET:
- case ICM_SET:
- return ICERR_OK;
- /* older-stype config */
- case ICM_GETDEFAULTQUALITY:
- case ICM_GETQUALITY:
- case ICM_SETQUALITY:
- case ICM_GETBUFFERSWANTED:
- case ICM_GETDEFAULTKEYFRAMERATE:
- return ICERR_UNSUPPORTED;
- /* compressor */
- case ICM_COMPRESS_QUERY:
- return compress_query(codec, (BITMAPINFO *)lParam1, (BITMAPINFO *)lParam2);
- case ICM_COMPRESS_GET_FORMAT:
- return compress_get_format(codec, (BITMAPINFO *)lParam1, (BITMAPINFO *)lParam2);
- case ICM_COMPRESS_GET_SIZE:
- return compress_get_size(codec, (BITMAPINFO *)lParam1, (BITMAPINFO *)lParam2);
- case ICM_COMPRESS_FRAMES_INFO:
- return compress_frames_info(codec, (ICCOMPRESSFRAMES *)lParam1);
- case ICM_COMPRESS_BEGIN:
- return compress_begin(codec, (BITMAPINFO *)lParam1, (BITMAPINFO *)lParam2);
- case ICM_COMPRESS_END:
- return compress_end(codec);
- case ICM_COMPRESS:
- return compress(codec, (ICCOMPRESS *)lParam1);
- /* decompressor : not implemented */
- case ICM_DECOMPRESS_QUERY:
- case ICM_DECOMPRESS_GET_FORMAT:
- case ICM_DECOMPRESS_BEGIN:
- case ICM_DECOMPRESS_END:
- case ICM_DECOMPRESS:
- case ICM_DECOMPRESS_GET_PALETTE:
- case ICM_DECOMPRESS_SET_PALETTE:
- case ICM_DECOMPRESSEX_QUERY:
- case ICM_DECOMPRESSEX_BEGIN:
- case ICM_DECOMPRESSEX_END:
- case ICM_DECOMPRESSEX:
- return ICERR_UNSUPPORTED;
- default:
- if (uMsg < DRV_USER)
- return DefDriverProc(dwDriverId, hDriver, uMsg, lParam1, lParam2);
- else
- return ICERR_UNSUPPORTED;
- }
- }
- void WINAPI Configure(HWND hwnd, HINSTANCE hinst, LPTSTR lpCmdLine, int nCmdShow)
- {
- DWORD dwDriverId;
- dwDriverId = DriverProc(0, 0, DRV_OPEN, 0, 0);
- if (dwDriverId != (DWORD)NULL)
- {
- DriverProc(dwDriverId, 0, ICM_CONFIGURE, (LPARAM)GetDesktopWindow(), 0);
- DriverProc(dwDriverId, 0, DRV_CLOSE, 0, 0);
- }
- }
