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\n",
68 debugstr_w(lpszWindowName), dwStyle,
69 x, y, nWidth, nHeight, hWnd, nID);
73 /***********************************************************************
74 * capCreateCaptureWindowA (AVICAP32.@)
76 HWND VFWAPI capCreateCaptureWindowA(LPCSTR lpszWindowName, DWORD dwStyle, INT x,
77 INT y, INT nWidth, INT nHeight, HWND hWnd,
79 { UNICODE_STRING nameW;
82 if (lpszWindowName) RtlCreateUnicodeStringFromAsciiz(&nameW, lpszWindowName);
83 else nameW.Buffer = NULL;
85 retW = capCreateCaptureWindowW(nameW.Buffer, dwStyle, x, y, nWidth, nHeight,
87 RtlFreeUnicodeString(&nameW);
92 #ifdef HAVE_LINUX_VIDEODEV2_H
94 static int xioctl(int fd, int request, void * arg)
98 do r = ioctl (fd, request, arg);
99 while (-1 == r && EINTR == errno);
104 static BOOL query_video_device(int devnum, char *name, int namesize, char *version, int versionsize)
109 struct v4l2_capability caps;
111 snprintf(device, sizeof(device), "/dev/video%i", devnum);
113 if (stat (device, &st) == -1) {
114 /* This is probably because the device does not exist */
115 WARN("%s: %s\n", device, strerror(errno));
119 if (!S_ISCHR (st.st_mode)) {
120 ERR("%s: Not a device\n", device);
124 fd = open(device, O_RDWR | O_NONBLOCK);
126 ERR("%s: Failed to open: %s\n", device, strerror(errno));
130 memset(&caps, 0, sizeof(caps));
131 if (xioctl(fd, VIDIOC_QUERYCAP, &caps) != -1) {
132 lstrcpynA(name, (char *)caps.card, namesize);
133 snprintf(version, versionsize, "%s v%u.%u.%u", (char *)caps.driver, (caps.version >> 16) & 0xFF,
134 (caps.version >> 8) & 0xFF, caps.version & 0xFF);
139 if (errno != EINVAL && errno != 515)
140 /* errno 515 is used by some webcam drivers for unknown IOICTL command */
141 ERR("%s: Querying failed: %s\n", device, strerror(errno));
142 else ERR("%s: Querying failed: Not a V4L compatible device\n", device);
148 #else /* HAVE_LINUX_VIDEODEV2_H */
150 static BOOL query_video_device(int devnum, char *name, int namesize, char *version, int versionsize)
152 ERR("Video 4 Linux support not enabled\n");
156 #endif /* HAVE_LINUX_VIDEODEV2_H */
158 /***********************************************************************
159 * capGetDriverDescriptionA (AVICAP32.@)
161 BOOL VFWAPI capGetDriverDescriptionA(WORD wDriverIndex, LPSTR lpszName,
162 INT cbName, LPSTR lpszVer, INT cbVer)
165 WCHAR devname[CAP_DESC_MAX], devver[CAP_DESC_MAX];
166 TRACE("--> capGetDriverDescriptionW\n");
167 retval = capGetDriverDescriptionW(wDriverIndex, devname, CAP_DESC_MAX, devver, CAP_DESC_MAX);
169 WideCharToMultiByte(CP_ACP, 0, devname, -1, lpszName, cbName, NULL, NULL);
170 WideCharToMultiByte(CP_ACP, 0, devver, -1, lpszVer, cbVer, NULL, NULL);
175 /***********************************************************************
176 * capGetDriverDescriptionW (AVICAP32.@)
178 BOOL VFWAPI capGetDriverDescriptionW(WORD wDriverIndex, LPWSTR lpszName,
179 INT cbName, LPWSTR lpszVer, INT cbVer)
181 char devname[CAP_DESC_MAX], devver[CAP_DESC_MAX];
183 if (!query_video_device(wDriverIndex, devname, CAP_DESC_MAX, devver, CAP_DESC_MAX)) return FALSE;
185 MultiByteToWideChar(CP_UNIXCP, 0, devname, -1, lpszName, cbName);
186 MultiByteToWideChar(CP_UNIXCP, 0, devver, -1, lpszVer, cbVer);
187 TRACE("Version: %s - Name: %s\n", debugstr_w(lpszVer), debugstr_w(lpszName));