Sweden-Number/dlls/avicap32/avicap32_main.c

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/*
* Copyright 2002 Dmitry Timoshkov for CodeWeavers
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* Copyright 2005 Maarten Lankhorst
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "vfw.h"
#include "winternl.h"
#include "wine/debug.h"
#include "unixlib.h"
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WINE_DEFAULT_DEBUG_CHANNEL(avicap);
static HINSTANCE avicap_instance;
static unixlib_handle_t unix_handle;
static const WCHAR class_name[] = L"wine_avicap_class";
static LRESULT CALLBACK avicap_wndproc(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam)
{
switch (msg)
{
default:
if (msg >= WM_CAP_START && msg <= WM_CAP_END)
FIXME("Unhandled message %#x.\n", msg);
return DefWindowProcW(hwnd, msg, wparam, lparam);
}
}
static void register_class(void)
{
WNDCLASSEXW class =
{
.cbSize = sizeof(WNDCLASSEXW),
.lpfnWndProc = avicap_wndproc,
.hInstance = avicap_instance,
.hCursor = LoadCursorW(NULL, (LPWSTR)IDC_ARROW),
.hbrBackground = (HBRUSH)(COLOR_BTNFACE+1),
.lpszClassName = class_name,
};
if (!RegisterClassExW(&class) && GetLastError() != ERROR_CLASS_ALREADY_EXISTS)
ERR("Failed to register class, error %lu.\n", GetLastError());
}
static void unregister_class(void)
{
if (!UnregisterClassW(class_name, avicap_instance) && GetLastError() != ERROR_CLASS_DOES_NOT_EXIST)
ERR("Failed to unregister class, error %lu.\n", GetLastError());
}
/***********************************************************************
* capCreateCaptureWindowW (AVICAP32.@)
*/
HWND VFWAPI capCreateCaptureWindowW(const WCHAR *window_name, DWORD style,
int x, int y, int width, int height, HWND parent, int id)
{
TRACE("window_name %s, style %#lx, x %d, y %d, width %d, height %d, parent %p, id %#x.\n",
debugstr_w(window_name), style, x, y, width, height, parent, id);
return CreateWindowW(class_name, window_name, style, x, y, width, height, parent, NULL, avicap_instance, NULL);
}
/***********************************************************************
* capCreateCaptureWindowA (AVICAP32.@)
*/
HWND VFWAPI capCreateCaptureWindowA(const char *window_name, DWORD style,
int x, int y, int width, int height, HWND parent, int id)
{
UNICODE_STRING nameW;
HWND window;
if (window_name)
RtlCreateUnicodeStringFromAsciiz(&nameW, window_name);
else
nameW.Buffer = NULL;
window = capCreateCaptureWindowW(nameW.Buffer, style, x, y, width, height, parent, id);
RtlFreeUnicodeString(&nameW);
return window;
}
/***********************************************************************
* capGetDriverDescriptionA (AVICAP32.@)
*/
BOOL VFWAPI capGetDriverDescriptionA(WORD wDriverIndex, LPSTR lpszName,
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INT cbName, LPSTR lpszVer, INT cbVer)
{
BOOL retval;
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WCHAR devname[CAP_DESC_MAX], devver[CAP_DESC_MAX];
TRACE("--> capGetDriverDescriptionW\n");
retval = capGetDriverDescriptionW(wDriverIndex, devname, CAP_DESC_MAX, devver, CAP_DESC_MAX);
if (retval) {
WideCharToMultiByte(CP_ACP, 0, devname, -1, lpszName, cbName, NULL, NULL);
WideCharToMultiByte(CP_ACP, 0, devver, -1, lpszVer, cbVer, NULL, NULL);
}
return retval;
}
/***********************************************************************
* capGetDriverDescriptionW (AVICAP32.@)
*/
BOOL VFWAPI capGetDriverDescriptionW(WORD index, WCHAR *name, int name_len, WCHAR *version, int version_len)
{
struct get_device_desc_params params;
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params.index = index;
if (__wine_unix_call(unix_handle, unix_get_device_desc, &params))
return FALSE;
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TRACE("Found device name %s, version %s.\n", debugstr_w(params.name), debugstr_w(params.version));
lstrcpynW(name, params.name, name_len);
lstrcpynW(version, params.version, version_len);
return TRUE;
}
BOOL WINAPI DllMain(HINSTANCE instance, DWORD reason, void *reserved)
{
switch (reason)
{
case DLL_PROCESS_ATTACH:
NtQueryVirtualMemory(GetCurrentProcess(), instance,
MemoryWineUnixFuncs, &unix_handle, sizeof(unix_handle), NULL);
DisableThreadLibraryCalls(instance);
register_class();
avicap_instance = instance;
break;
case DLL_PROCESS_DETACH:
if (!reserved)
unregister_class();
break;
}
return TRUE;
}