211 lines
6.2 KiB
C
211 lines
6.2 KiB
C
/*
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* Copyright 2002 Dmitry Timoshkov for CodeWeavers
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* Copyright 2005 Maarten Lankhorst
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "config.h"
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#include "wine/port.h"
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#define COM_NO_WINDOWS_H
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#include <stdarg.h>
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#include <stdio.h>
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#include <fcntl.h>
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#ifdef HAVE_SYS_IOCTL_H
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# include <sys/ioctl.h>
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#endif
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#ifdef HAVE_SYS_STAT_H
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# include <sys/stat.h>
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#endif
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#ifdef HAVE_SYS_ERRNO_H
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# include <sys/errno.h>
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#endif
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#ifdef HAVE_SYS_TIME_H
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# include <sys/time.h>
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#endif
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#ifdef HAVE_ASM_TYPES_H
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# include <asm/types.h>
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#endif
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#ifdef HAVE_LINUX_VIDEODEV_H
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# include <linux/videodev.h>
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#endif
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#include "windef.h"
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#include "winbase.h"
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#include "wingdi.h"
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#include "winuser.h"
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#include "vfw.h"
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#include "winreg.h"
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#include "winnls.h"
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#include "winternl.h"
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#include "wine/debug.h"
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#define CAP_DESC_MAX 32
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WINE_DEFAULT_DEBUG_CHANNEL(avicap);
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/***********************************************************************
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* capCreateCaptureWindowW (AVICAP32.@)
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*/
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HWND VFWAPI capCreateCaptureWindowW(LPCWSTR lpszWindowName, DWORD dwStyle, INT x,
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INT y, INT nWidth, INT nHeight, HWND hWnd,
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INT nID)
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{
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FIXME("%s, %08lx, %08x, %08x, %08x, %08x, %p, %08x\n",
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debugstr_w(lpszWindowName), dwStyle,
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x, y, nWidth, nHeight, hWnd, nID);
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return 0;
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}
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/***********************************************************************
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* capCreateCaptureWindowA (AVICAP32.@)
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*/
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HWND VFWAPI capCreateCaptureWindowA(LPCSTR lpszWindowName, DWORD dwStyle, INT x,
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INT y, INT nWidth, INT nHeight, HWND hWnd,
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INT nID)
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{ UNICODE_STRING nameW;
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HWND retW;
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if (lpszWindowName) RtlCreateUnicodeStringFromAsciiz(&nameW, lpszWindowName);
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else nameW.Buffer = NULL;
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retW = capCreateCaptureWindowW(nameW.Buffer, dwStyle, x, y, nWidth, nHeight,
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hWnd, nID);
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RtlFreeUnicodeString(&nameW);
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return retW;
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}
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#ifdef HAVE_LINUX_VIDEODEV_H
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static int xioctl(int fd, int request, void * arg)
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{
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int r;
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do r = ioctl (fd, request, arg);
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while (-1 == r && EINTR == errno);
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return r;
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}
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static BOOL query_video_device(int devnum, char *name, int namesize, char *version, int versionsize)
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{
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int fd;
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char device[16];
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struct stat st;
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struct video_capability capa;
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#ifdef HAVE_V4L2
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struct v4l2_capability caps;
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#endif
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snprintf(device, sizeof(device), "/dev/video%i", devnum);
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if (stat (device, &st) == -1) {
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/* This is probably because the device does not exist */
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WARN("%s: %s\n", device, strerror(errno));
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return FALSE;
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}
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if (!S_ISCHR (st.st_mode)) {
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ERR("%s: Not a device\n", device);
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return FALSE;
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}
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fd = open(device, O_RDWR | O_NONBLOCK);
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if (fd == -1) {
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ERR("%s: Failed to open: %s\n", device, strerror(errno));
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return FALSE;
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}
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#ifdef HAVE_V4L2
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memset(&caps, 0, sizeof(caps));
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if (xioctl(fd, VIDIOC_QUERYCAP, &caps) != -1) {
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lstrcpynA(name, caps.card, namesize);
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snprintf(version, versionsize, "%s v%u.%u.%u", caps.driver, (caps.version >> 16) & 0xFF,
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(caps.version >> 8) & 0xFF, caps.version & 0xFF);
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close(fd);
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return TRUE;
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}
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if (errno != EINVAL && errno != 515)
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WARN("%s: ioctl failed: %s -- Falling back to V4L\n", device, strerror(errno));
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else WARN("%s: Not a V4L2 compatible device, trying V4l 1\n", device);
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#endif /* HAVE_V4L2 */
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memset(&capa, 0, sizeof(capa));
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if (xioctl(fd, VIDIOCGCAP, &capa) == -1) {
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/* errno 515 is used by some webcam drivers for unknown IOICTL command */
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if (errno != EINVAL && errno != 515)
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ERR("%s: Querying failed: %s\n", device, strerror(errno));
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else ERR("%s: Querying failed: Not a V4L compatible device", device);
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close(fd);
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return FALSE;
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}
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lstrcpynA(name, capa.name, namesize);
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lstrcpynA(version, device, versionsize);
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close(fd);
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return TRUE;
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}
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#else /* HAVE_LINUX_VIDEODEV_H */
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static BOOL query_video_device(int devnum, char *name, int namesize, char *version, int versionsize)
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{
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ERR("Video 4 Linux support not enabled\n");
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return FALSE;
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}
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#endif /* HAVE_LINUX_VIDEODEV_H */
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/***********************************************************************
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* capGetDriverDescriptionA (AVICAP32.@)
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*/
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BOOL VFWAPI capGetDriverDescriptionA(WORD wDriverIndex, LPSTR lpszName,
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INT cbName, LPSTR lpszVer, INT cbVer)
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{
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HRESULT retval;
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WCHAR devname[CAP_DESC_MAX], devver[CAP_DESC_MAX];
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TRACE("--> capGetDriverDescriptionW\n");
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retval = capGetDriverDescriptionW(wDriverIndex, devname, CAP_DESC_MAX, devver, CAP_DESC_MAX);
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if (retval) {
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WideCharToMultiByte(CP_ACP, 0, devname, -1, lpszName, cbName, NULL, NULL);
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WideCharToMultiByte(CP_ACP, 0, devver, -1, lpszVer, cbVer, NULL, NULL);
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}
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return retval;
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}
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/***********************************************************************
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* capGetDriverDescriptionW (AVICAP32.@)
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*/
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BOOL VFWAPI capGetDriverDescriptionW(WORD wDriverIndex, LPWSTR lpszName,
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INT cbName, LPWSTR lpszVer, INT cbVer)
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{
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char devname[CAP_DESC_MAX], devver[CAP_DESC_MAX];
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if (!query_video_device(wDriverIndex, devname, CAP_DESC_MAX, devver, CAP_DESC_MAX)) return FALSE;
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MultiByteToWideChar(CP_UNIXCP, 0, devname, -1, lpszName, cbName);
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MultiByteToWideChar(CP_UNIXCP, 0, devver, -1, lpszVer, cbVer);
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TRACE("Version: %s - Name: %s\n", debugstr_w(lpszVer), debugstr_w(lpszName));
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return TRUE;
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}
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