added osx cocoa support files

libobs/graphics/graphics.h

@@ -19,6 +19,9 @@
 
 #include "../util/bmem.h"
 #include "input.h"
+#ifdef __APPLE__
+#include <objc/objc-runtime.h>
+#endif
 
 /*
  * This is an API-independent graphics subsystem wrapper.
@@ -410,7 +413,7 @@ struct gs_init_data {
 #if defined(_WIN32)
 	void                    *hwnd;
 #elif defined(__APPLE__)
-	/* TODO */
+	__unsafe_unretained id  view;
 #elif defined(__posix__)
 	/* TODO */
 #endif

libobs/obs-cocoa.c

@@ -0,0 +1,61 @@
+/******************************************************************************
+    Copyright (C) 2013 by Ruwen Hahn <palana@stunned.de>
+
+    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 3 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, see <http://www.gnu.org/licenses/>.
+******************************************************************************/
+
+#include "util/platform.h"
+#include "util/dstr.h"
+#include "obs.h"
+#include "obs-data.h"
+
+#include <unistd.h>
+
+// support both foo.so and libfoo.so for now
+static const char *plugin_patterns[] = {
+	"../plugins/%s.so",
+	"../plugins/lib%s.so"
+};
+static const int plugin_patterns_size = sizeof(plugin_patterns)/sizeof(plugin_patterns[0]);
+
+char *find_plugin(const char *plugin)
+{
+	struct dstr path;
+	dstr_init(&path);
+	for(int i = 0; i < plugin_patterns_size; i++) {
+		dstr_printf(&path, plugin_patterns[i], plugin);
+		if(!access(path.array, F_OK))
+			break;
+	}
+
+	return path.array;
+}
+
+/* on windows, points to [base directory]/libobs */
+char *find_libobs_data_file(const char *file)
+{
+	struct dstr path;
+	dstr_init_copy(&path, "../libobs/");
+	dstr_cat(&path, file);
+	return path.array;
+}
+
+/* on windows, data files should always be in [base directory]/data */
+char *obs_find_plugin_file(const char *file)
+{
+	struct dstr path;
+	dstr_init_copy(&path, "../data/");
+	dstr_cat(&path, file);
+	return path.array;
+}

libobs/util/platform-cocoa.c

@@ -0,0 +1,100 @@
+/******************************************************************************
+  Copyright (c) 2013 by Ruwen Hahn <palana@stunned.de>
+
+  This software is provided 'as-is', without any express or implied
+  warranty. In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+     1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+
+     2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+
+     3. This notice may not be removed or altered from any source
+     distribution.
+******************************************************************************/
+
+#include "base.h"
+#include "platform.h"
+#include "dstr.h"
+
+#include <dlfcn.h>
+#include <time.h>
+#include <unistd.h>
+
+#include <CoreServices/CoreServices.h>
+#include <mach/mach.h>
+#include <mach/mach_time.h>
+
+void *os_dlopen(const char *path)
+{
+	struct dstr dylib_name;
+	dstr_init_copy(&dylib_name, path);
+	if(!dstr_find(&dylib_name, ".so"))
+		dstr_cat(&dylib_name, ".so");
+
+	void *res = dlopen(dylib_name.array, RTLD_LAZY);
+	if(!res)
+		blog(LOG_ERROR, "os_dlopen(%s->%s): %s\n",
+				path, dylib_name.array, dlerror());
+
+	dstr_free(&dylib_name);
+	return res;
+}
+
+void *os_dlsym(void *module, const char *func)
+{
+	return dlsym(module, func);
+}
+
+void os_dlclose(void *module)
+{
+	dlclose(module);
+}
+
+void os_sleepto_ns(uint64_t time_target)
+{
+	uint64_t current = os_gettime_ns();
+	if(time_target < current)
+		return;
+	time_target -= current;
+	struct timespec req,
+			remain;
+	memset(&req, 0, sizeof(req));
+	memset(&remain, 0, sizeof(remain));
+	req.tv_sec = time_target/1000000000;
+	req.tv_nsec = time_target%1000000000;
+	while(nanosleep(&req, &remain))
+	{
+		req = remain;
+		memset(&remain, 0, sizeof(remain));
+	}
+}
+
+void os_sleep_ms(uint32_t duration)
+{
+	usleep(duration*1000);
+}
+
+uint64_t os_gettime_ns(void)
+{
+	uint64_t t = mach_absolute_time();
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wdeprecated-declarations"	
+	Nanoseconds nano = AbsoluteToNanoseconds(*(AbsoluteTime*) &t);
+#pragma clang diagnostic pop
+	return *(uint64_t*) &nano;
+}
+
+uint64_t os_gettime_ms(void)
+{
+	return  os_gettime_ns()/1000000;
+}
+