2 * Copyright 2002 Dmitry Timoshkov for CodeWeavers
3 * Copyright 2005 Maarten Lankhorst
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
21 #include "wine/port.h"
26 #ifdef HAVE_SYS_IOCTL_H
27 # include <sys/ioctl.h>
29 #ifdef HAVE_SYS_STAT_H
30 # include <sys/stat.h>
33 #ifdef HAVE_SYS_TIME_H
34 # include <sys/time.h>
36 #ifdef HAVE_ASM_TYPES_H
37 # include <asm/types.h>
39 #ifdef HAVE_LINUX_VIDEODEV2_H
40 # include <linux/videodev2.h>
53 #include "wine/debug.h"
55 #define CAP_DESC_MAX 32
57 WINE_DEFAULT_DEBUG_CHANNEL(avicap);
60 /***********************************************************************
61 * capCreateCaptureWindowW (AVICAP32.@)
63 HWND VFWAPI capCreateCaptureWindowW(LPCWSTR lpszWindowName, DWORD dwStyle, INT x,
64 INT y, INT nWidth, INT nHeight, HWND hWnd,
67 FIXME("(%s, %08x, %08x, %08x, %08x, %08x, %p, %08x): stub\n",
68 debugstr_w(lpszWindowName), dwStyle, x, y, nWidth, nHeight, hWnd, nID);
72 /***********************************************************************
73 * capCreateCaptureWindowA (AVICAP32.@)
75 HWND VFWAPI capCreateCaptureWindowA(LPCSTR lpszWindowName, DWORD dwStyle, INT x,
76 INT y, INT nWidth, INT nHeight, HWND hWnd,
78 { UNICODE_STRING nameW;
81 if (lpszWindowName) RtlCreateUnicodeStringFromAsciiz(&nameW, lpszWindowName);
82 else nameW.Buffer = NULL;
84 retW = capCreateCaptureWindowW(nameW.Buffer, dwStyle, x, y, nWidth, nHeight,
86 RtlFreeUnicodeString(&nameW);
91 #ifdef HAVE_LINUX_VIDEODEV2_H
93 static int xioctl(int fd, int request, void * arg)
97 do r = ioctl (fd, request, arg);
98 while (-1 == r && EINTR == errno);
103 static BOOL query_video_device(int devnum, char *name, int namesize, char *version, int versionsize)
108 struct v4l2_capability caps;
110 snprintf(device, sizeof(device), "/dev/video%i", devnum);
112 if (stat (device, &st) == -1) {
113 /* This is probably because the device does not exist */
114 WARN("%s: %s\n", device, strerror(errno));
118 if (!S_ISCHR (st.st_mode)) {
119 ERR("%s: Not a device\n", device);
123 fd = open(device, O_RDWR | O_NONBLOCK);
125 ERR("%s: Failed to open: %s\n", device, strerror(errno));
129 memset(&caps, 0, sizeof(caps));
130 if (xioctl(fd, VIDIOC_QUERYCAP, &caps) != -1) {
131 lstrcpynA(name, (char *)caps.card, namesize);
132 snprintf(version, versionsize, "%s v%u.%u.%u", (char *)caps.driver, (caps.version >> 16) & 0xFF,
133 (caps.version >> 8) & 0xFF, caps.version & 0xFF);
138 if (errno != EINVAL && errno != 515)
139 /* errno 515 is used by some webcam drivers for unknown IOICTL command */
140 ERR("%s: Querying failed: %s\n", device, strerror(errno));
141 else ERR("%s: Querying failed: Not a V4L compatible device\n", device);
147 #else /* HAVE_LINUX_VIDEODEV2_H */
149 static BOOL query_video_device(int devnum, char *name, int namesize, char *version, int versionsize)
151 ERR("Video 4 Linux support not enabled\n");
155 #endif /* HAVE_LINUX_VIDEODEV2_H */
157 /***********************************************************************
158 * capGetDriverDescriptionA (AVICAP32.@)
160 BOOL VFWAPI capGetDriverDescriptionA(WORD wDriverIndex, LPSTR lpszName,
161 INT cbName, LPSTR lpszVer, INT cbVer)
164 WCHAR devname[CAP_DESC_MAX], devver[CAP_DESC_MAX];
165 TRACE("--> capGetDriverDescriptionW\n");
166 retval = capGetDriverDescriptionW(wDriverIndex, devname, CAP_DESC_MAX, devver, CAP_DESC_MAX);
168 WideCharToMultiByte(CP_ACP, 0, devname, -1, lpszName, cbName, NULL, NULL);
169 WideCharToMultiByte(CP_ACP, 0, devver, -1, lpszVer, cbVer, NULL, NULL);
174 /***********************************************************************
175 * capGetDriverDescriptionW (AVICAP32.@)
177 BOOL VFWAPI capGetDriverDescriptionW(WORD wDriverIndex, LPWSTR lpszName,
178 INT cbName, LPWSTR lpszVer, INT cbVer)
180 char devname[CAP_DESC_MAX], devver[CAP_DESC_MAX];
182 if (!query_video_device(wDriverIndex, devname, CAP_DESC_MAX, devver, CAP_DESC_MAX)) return FALSE;
184 MultiByteToWideChar(CP_UNIXCP, 0, devname, -1, lpszName, cbName);
185 MultiByteToWideChar(CP_UNIXCP, 0, devver, -1, lpszVer, cbVer);
186 TRACE("Version: %s - Name: %s\n", debugstr_w(lpszVer), debugstr_w(lpszName));