mirror of
https://github.com/obsproject/obs-studio.git
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231 lines
7.1 KiB
C
231 lines
7.1 KiB
C
/*
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* Copyright (c) 2013 Hugh Bailey <obs.jim@gmail.com>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#pragma once
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#include <stdio.h>
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#include <wchar.h>
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#include <sys/types.h>
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#include "c99defs.h"
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/*
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* Platform-independent functions for Accessing files, encoding, DLLs,
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* sleep, timer, and timing.
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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EXPORT FILE *os_wfopen(const wchar_t *path, const char *mode);
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EXPORT FILE *os_fopen(const char *path, const char *mode);
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EXPORT int64_t os_fgetsize(FILE *file);
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#ifdef _WIN32
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EXPORT int os_stat(const char *file, struct stat *st);
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#else
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#define os_stat stat
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#endif
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EXPORT int os_fseeki64(FILE *file, int64_t offset, int origin);
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EXPORT int64_t os_ftelli64(FILE *file);
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EXPORT size_t os_fread_mbs(FILE *file, char **pstr);
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EXPORT size_t os_fread_utf8(FILE *file, char **pstr);
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/* functions purely for convenience */
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EXPORT char *os_quick_read_utf8_file(const char *path);
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EXPORT bool os_quick_write_utf8_file(const char *path, const char *str,
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size_t len, bool marker);
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EXPORT bool os_quick_write_utf8_file_safe(const char *path, const char *str,
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size_t len, bool marker,
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const char *temp_ext,
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const char *backup_ext);
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EXPORT char *os_quick_read_mbs_file(const char *path);
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EXPORT bool os_quick_write_mbs_file(const char *path, const char *str,
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size_t len);
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EXPORT int64_t os_get_file_size(const char *path);
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EXPORT int64_t os_get_free_space(const char *path);
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EXPORT size_t os_mbs_to_wcs(const char *str, size_t str_len, wchar_t *dst,
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size_t dst_size);
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EXPORT size_t os_utf8_to_wcs(const char *str, size_t len, wchar_t *dst,
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size_t dst_size);
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EXPORT size_t os_wcs_to_mbs(const wchar_t *str, size_t len, char *dst,
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size_t dst_size);
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EXPORT size_t os_wcs_to_utf8(const wchar_t *str, size_t len, char *dst,
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size_t dst_size);
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EXPORT size_t os_mbs_to_wcs_ptr(const char *str, size_t len, wchar_t **pstr);
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EXPORT size_t os_utf8_to_wcs_ptr(const char *str, size_t len, wchar_t **pstr);
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EXPORT size_t os_wcs_to_mbs_ptr(const wchar_t *str, size_t len, char **pstr);
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EXPORT size_t os_wcs_to_utf8_ptr(const wchar_t *str, size_t len, char **pstr);
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EXPORT size_t os_utf8_to_mbs_ptr(const char *str, size_t len, char **pstr);
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EXPORT size_t os_mbs_to_utf8_ptr(const char *str, size_t len, char **pstr);
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EXPORT double os_strtod(const char *str);
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EXPORT int os_dtostr(double value, char *dst, size_t size);
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EXPORT void *os_dlopen(const char *path);
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EXPORT void *os_dlsym(void *module, const char *func);
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EXPORT void os_dlclose(void *module);
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EXPORT bool os_is_obs_plugin(const char *path);
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struct os_cpu_usage_info;
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typedef struct os_cpu_usage_info os_cpu_usage_info_t;
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EXPORT os_cpu_usage_info_t *os_cpu_usage_info_start(void);
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EXPORT double os_cpu_usage_info_query(os_cpu_usage_info_t *info);
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EXPORT void os_cpu_usage_info_destroy(os_cpu_usage_info_t *info);
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typedef const void os_performance_token_t;
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EXPORT os_performance_token_t *os_request_high_performance(const char *reason);
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EXPORT void os_end_high_performance(os_performance_token_t *);
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/**
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* Sleeps to a specific time (in nanoseconds). Doesn't have to be super
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* accurate in terms of actual slept time because the target time is ensured.
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* Returns false if already at or past target time.
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*/
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EXPORT bool os_sleepto_ns(uint64_t time_target);
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EXPORT bool os_sleepto_ns_fast(uint64_t time_target);
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EXPORT void os_sleep_ms(uint32_t duration);
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EXPORT uint64_t os_gettime_ns(void);
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EXPORT int os_get_config_path(char *dst, size_t size, const char *name);
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EXPORT char *os_get_config_path_ptr(const char *name);
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EXPORT int os_get_program_data_path(char *dst, size_t size, const char *name);
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EXPORT char *os_get_program_data_path_ptr(const char *name);
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EXPORT char *os_get_executable_path_ptr(const char *name);
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EXPORT bool os_file_exists(const char *path);
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EXPORT size_t os_get_abs_path(const char *path, char *abspath, size_t size);
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EXPORT char *os_get_abs_path_ptr(const char *path);
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EXPORT const char *os_get_path_extension(const char *path);
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EXPORT bool os_get_emulation_status(void);
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struct os_dir;
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typedef struct os_dir os_dir_t;
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struct os_dirent {
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char d_name[256];
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bool directory;
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};
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EXPORT os_dir_t *os_opendir(const char *path);
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EXPORT struct os_dirent *os_readdir(os_dir_t *dir);
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EXPORT void os_closedir(os_dir_t *dir);
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struct os_globent {
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char *path;
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bool directory;
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};
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struct os_glob_info {
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size_t gl_pathc;
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struct os_globent *gl_pathv;
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};
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typedef struct os_glob_info os_glob_t;
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/* currently no flags available */
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EXPORT int os_glob(const char *pattern, int flags, os_glob_t **pglob);
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EXPORT void os_globfree(os_glob_t *pglob);
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EXPORT int os_unlink(const char *path);
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EXPORT int os_rmdir(const char *path);
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EXPORT char *os_getcwd(char *path, size_t size);
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EXPORT int os_chdir(const char *path);
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EXPORT uint64_t os_get_free_disk_space(const char *dir);
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#define MKDIR_EXISTS 1
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#define MKDIR_SUCCESS 0
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#define MKDIR_ERROR -1
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EXPORT int os_mkdir(const char *path);
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EXPORT int os_mkdirs(const char *path);
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EXPORT int os_rename(const char *old_path, const char *new_path);
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EXPORT int os_copyfile(const char *file_in, const char *file_out);
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EXPORT int os_safe_replace(const char *target_path, const char *from_path,
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const char *backup_path);
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EXPORT char *os_generate_formatted_filename(const char *extension, bool space,
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const char *format);
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struct os_inhibit_info;
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typedef struct os_inhibit_info os_inhibit_t;
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EXPORT os_inhibit_t *os_inhibit_sleep_create(const char *reason);
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EXPORT bool os_inhibit_sleep_set_active(os_inhibit_t *info, bool active);
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EXPORT void os_inhibit_sleep_destroy(os_inhibit_t *info);
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EXPORT void os_breakpoint(void);
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EXPORT int os_get_physical_cores(void);
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EXPORT int os_get_logical_cores(void);
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EXPORT uint64_t os_get_sys_free_size(void);
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EXPORT uint64_t os_get_sys_total_size(void);
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struct os_proc_memory_usage {
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uint64_t resident_size;
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uint64_t virtual_size;
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};
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typedef struct os_proc_memory_usage os_proc_memory_usage_t;
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EXPORT bool os_get_proc_memory_usage(os_proc_memory_usage_t *usage);
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EXPORT uint64_t os_get_proc_resident_size(void);
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EXPORT uint64_t os_get_proc_virtual_size(void);
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#define UUID_STR_LENGTH 36
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EXPORT char *os_generate_uuid(void);
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/* clang-format off */
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#ifdef __APPLE__
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# define ARCH_BITS 64
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#else
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# ifdef _WIN32
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# ifdef _WIN64
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# define ARCH_BITS 64
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# else
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# define ARCH_BITS 32
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# endif
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# else
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# ifdef __LP64__
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# define ARCH_BITS 64
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# else
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# define ARCH_BITS 32
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# endif
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# endif
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#endif
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/* clang-format on */
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#ifdef __cplusplus
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}
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#endif
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