obs-studio/libobs/util/platform-cocoa.m

96 lines
2.5 KiB
Objective-C

/*
* Copyright (c) 2013-2014 Ruwen Hahn <palana@stunned.de>
* Hugh "Jim" Bailey <obs.jim@gmail.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#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>
#import <Cocoa/Cocoa.h>
/* clock function selection taken from libc++ */
static uint64_t ns_time_simple()
{
return mach_absolute_time();
}
static double ns_time_compute_factor()
{
mach_timebase_info_data_t info = {1, 1};
mach_timebase_info(&info);
return ((double)info.numer) / info.denom;
}
static uint64_t ns_time_full()
{
static double factor = 0.;
if (factor == 0.) factor = ns_time_compute_factor();
return (uint64_t)(mach_absolute_time() * factor);
}
typedef uint64_t (*time_func)();
static time_func ns_time_select_func()
{
mach_timebase_info_data_t info = {1, 1};
mach_timebase_info(&info);
if (info.denom == info.numer)
return ns_time_simple;
return ns_time_full;
}
uint64_t os_gettime_ns(void)
{
static time_func f = NULL;
if (!f) f = ns_time_select_func();
return f();
}
/* gets the location ~/Library/Application Support/[name] */
char *os_get_config_path(const char *name)
{
NSArray *paths = NSSearchPathForDirectoriesInDomains(
NSApplicationSupportDirectory, NSUserDomainMask, YES);
if([paths count] == 0)
bcrash("Could not get home directory (platform-cocoa)");
NSString *application_support = paths[0];
NSUInteger len = [application_support
lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
char *path_ptr = bmalloc(len+1);
path_ptr[len] = 0;
memcpy(path_ptr, [application_support UTF8String], len);
struct dstr path;
dstr_init_move_array(&path, path_ptr);
dstr_cat(&path, "/");
dstr_cat(&path, name);
return path.array;
}