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

138 lines
3.2 KiB
Objective-C

/*
* Copyright (c) 2013 Ruwen Hahn <palana@stunned.de>
*
* 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 <sys/stat.h>
#include <CoreServices/CoreServices.h>
#include <mach/mach.h>
#include <mach/mach_time.h>
#import <Cocoa/Cocoa.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);
}
bool os_sleepto_ns(uint64_t time_target)
{
uint64_t current = os_gettime_ns();
if (time_target < current)
return false;
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));
}
return true;
}
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;
}
/* 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;
}
bool os_file_exists(const char *path)
{
return access(path, F_OK) == 0;
}
int os_mkdir(const char *path)
{
if(!mkdir(path, 0777))
return MKDIR_SUCCESS;
if(errno == EEXIST)
return MKDIR_EXISTS;
return MKDIR_ERROR;
}