yolobs-studio/plugins/vlc-video/vlc-video-plugin.c
2018-12-16 17:14:58 +01:00

223 lines
6.6 KiB
C

#ifdef _WIN32
#include <windows.h>
#endif
#include <util/platform.h>
#include "vlc-video-plugin.h"
OBS_DECLARE_MODULE()
OBS_MODULE_USE_DEFAULT_LOCALE("vlc-video", "en-US")
/* libvlc core */
LIBVLC_NEW libvlc_new_;
LIBVLC_RELEASE libvlc_release_;
LIBVLC_CLOCK libvlc_clock_;
LIBVLC_EVENT_ATTACH libvlc_event_attach_;
/* libvlc media */
LIBVLC_MEDIA_NEW_PATH libvlc_media_new_path_;
LIBVLC_MEDIA_NEW_LOCATION libvlc_media_new_location_;
LIBVLC_MEDIA_ADD_OPTION libvlc_media_add_option_;
LIBVLC_MEDIA_RELEASE libvlc_media_release_;
LIBVLC_MEDIA_RELEASE libvlc_media_retain_;
/* libvlc media player */
LIBVLC_MEDIA_PLAYER_NEW libvlc_media_player_new_;
LIBVLC_MEDIA_PLAYER_NEW_FROM_MEDIA libvlc_media_player_new_from_media_;
LIBVLC_MEDIA_PLAYER_RELEASE libvlc_media_player_release_;
LIBVLC_VIDEO_SET_CALLBACKS libvlc_video_set_callbacks_;
LIBVLC_VIDEO_SET_FORMAT_CALLBACKS libvlc_video_set_format_callbacks_;
LIBVLC_AUDIO_SET_CALLBACKS libvlc_audio_set_callbacks_;
LIBVLC_AUDIO_SET_FORMAT_CALLBACKS libvlc_audio_set_format_callbacks_;
LIBVLC_MEDIA_PLAYER_PLAY libvlc_media_player_play_;
LIBVLC_MEDIA_PLAYER_STOP libvlc_media_player_stop_;
LIBVLC_MEDIA_PLAYER_GET_TIME libvlc_media_player_get_time_;
LIBVLC_VIDEO_GET_SIZE libvlc_video_get_size_;
LIBVLC_MEDIA_PLAYER_EVENT_MANAGER libvlc_media_player_event_manager_;
/* libvlc media list */
LIBVLC_MEDIA_LIST_NEW libvlc_media_list_new_;
LIBVLC_MEDIA_LIST_RELEASE libvlc_media_list_release_;
LIBVLC_MEDIA_LIST_ADD_MEDIA libvlc_media_list_add_media_;
LIBVLC_MEDIA_LIST_LOCK libvlc_media_list_lock_;
LIBVLC_MEDIA_LIST_UNLOCK libvlc_media_list_unlock_;
LIBVLC_MEDIA_LIST_EVENT_MANAGER libvlc_media_list_event_manager_;
/* libvlc media list player */
LIBVLC_MEDIA_LIST_PLAYER_NEW libvlc_media_list_player_new_;
LIBVLC_MEDIA_LIST_PLAYER_RELEASE libvlc_media_list_player_release_;
LIBVLC_MEDIA_LIST_PLAYER_PLAY libvlc_media_list_player_play_;
LIBVLC_MEDIA_LIST_PLAYER_PAUSE libvlc_media_list_player_pause_;
LIBVLC_MEDIA_LIST_PLAYER_STOP libvlc_media_list_player_stop_;
LIBVLC_MEDIA_LIST_PLAYER_SET_MEDIA_PLAYER libvlc_media_list_player_set_media_player_;
LIBVLC_MEDIA_LIST_PLAYER_SET_MEDIA_LIST libvlc_media_list_player_set_media_list_;
LIBVLC_MEDIA_LIST_PLAYER_EVENT_MANAGER libvlc_media_list_player_event_manager_;
LIBVLC_MEDIA_LIST_PLAYER_SET_PLAYBACK_MODE libvlc_media_list_player_set_playback_mode_;
LIBVLC_MEDIA_LIST_PLAYER_NEXT libvlc_media_list_player_next_;
LIBVLC_MEDIA_LIST_PLAYER_PREVIOUS libvlc_media_list_player_previous_;
void *libvlc_module = NULL;
#ifdef __APPLE__
void *libvlc_core_module = NULL;
#endif
libvlc_instance_t *libvlc = NULL;
uint64_t time_start = 0;
static bool load_vlc_funcs(void)
{
#define LOAD_VLC_FUNC(func) \
do { \
func ## _ = os_dlsym(libvlc_module, #func); \
if (!func ## _) { \
blog(LOG_WARNING, "Could not func VLC function %s, " \
"VLC loading failed", #func); \
return false; \
} \
} while (false)
/* libvlc core */
LOAD_VLC_FUNC(libvlc_new);
LOAD_VLC_FUNC(libvlc_release);
LOAD_VLC_FUNC(libvlc_clock);
LOAD_VLC_FUNC(libvlc_event_attach);
/* libvlc media */
LOAD_VLC_FUNC(libvlc_media_new_path);
LOAD_VLC_FUNC(libvlc_media_new_location);
LOAD_VLC_FUNC(libvlc_media_add_option);
LOAD_VLC_FUNC(libvlc_media_release);
LOAD_VLC_FUNC(libvlc_media_retain);
/* libvlc media player */
LOAD_VLC_FUNC(libvlc_media_player_new);
LOAD_VLC_FUNC(libvlc_media_player_new_from_media);
LOAD_VLC_FUNC(libvlc_media_player_release);
LOAD_VLC_FUNC(libvlc_video_set_callbacks);
LOAD_VLC_FUNC(libvlc_video_set_format_callbacks);
LOAD_VLC_FUNC(libvlc_audio_set_callbacks);
LOAD_VLC_FUNC(libvlc_audio_set_format_callbacks);
LOAD_VLC_FUNC(libvlc_media_player_play);
LOAD_VLC_FUNC(libvlc_media_player_stop);
LOAD_VLC_FUNC(libvlc_media_player_get_time);
LOAD_VLC_FUNC(libvlc_video_get_size);
LOAD_VLC_FUNC(libvlc_media_player_event_manager);
/* libvlc media list */
LOAD_VLC_FUNC(libvlc_media_list_new);
LOAD_VLC_FUNC(libvlc_media_list_release);
LOAD_VLC_FUNC(libvlc_media_list_add_media);
LOAD_VLC_FUNC(libvlc_media_list_lock);
LOAD_VLC_FUNC(libvlc_media_list_unlock);
LOAD_VLC_FUNC(libvlc_media_list_event_manager);
/* libvlc media list player */
LOAD_VLC_FUNC(libvlc_media_list_player_new);
LOAD_VLC_FUNC(libvlc_media_list_player_release);
LOAD_VLC_FUNC(libvlc_media_list_player_play);
LOAD_VLC_FUNC(libvlc_media_list_player_pause);
LOAD_VLC_FUNC(libvlc_media_list_player_stop);
LOAD_VLC_FUNC(libvlc_media_list_player_set_media_player);
LOAD_VLC_FUNC(libvlc_media_list_player_set_media_list);
LOAD_VLC_FUNC(libvlc_media_list_player_event_manager);
LOAD_VLC_FUNC(libvlc_media_list_player_set_playback_mode);
LOAD_VLC_FUNC(libvlc_media_list_player_next);
LOAD_VLC_FUNC(libvlc_media_list_player_previous);
return true;
}
static bool load_libvlc_module(void)
{
#ifdef _WIN32
char *path_utf8 = NULL;
wchar_t path[1024];
LSTATUS status;
DWORD size;
HKEY key;
memset(path, 0, 1024 * sizeof(wchar_t));
status = RegOpenKeyW(HKEY_LOCAL_MACHINE,
L"SOFTWARE\\VideoLAN\\VLC",
&key);
if (status != ERROR_SUCCESS)
return false;
size = 1024;
status = RegQueryValueExW(key, L"InstallDir", NULL, NULL,
(LPBYTE)path, &size);
if (status == ERROR_SUCCESS) {
wcscat(path, L"\\libvlc.dll");
os_wcs_to_utf8_ptr(path, 0, &path_utf8);
libvlc_module = os_dlopen(path_utf8);
bfree(path_utf8);
}
RegCloseKey(key);
#else
#ifdef __APPLE__
#define LIBVLC_DIR "/Applications/VLC.app/Contents/MacOS/"
/* According to otoolo -L, this is what libvlc.dylib wants. */
#define LIBVLC_CORE_FILE LIBVLC_DIR "lib/libvlccore.dylib"
#define LIBVLC_FILE LIBVLC_DIR "lib/libvlc.5.dylib"
setenv("VLC_PLUGIN_PATH", LIBVLC_DIR "plugins", false);
libvlc_core_module = os_dlopen(LIBVLC_CORE_FILE);
if (!libvlc_core_module)
return false;
#else
#define LIBVLC_FILE "libvlc.so.5"
#endif
libvlc_module = os_dlopen(LIBVLC_FILE);
#endif
return libvlc_module != NULL;
}
extern struct obs_source_info vlc_source_info;
bool load_libvlc(void)
{
if (libvlc)
return true;
libvlc = libvlc_new_(0, 0);
if (!libvlc) {
blog(LOG_INFO, "Couldn't create libvlc instance");
return false;
}
time_start = (uint64_t)libvlc_clock_() * 1000ULL;
return true;
}
bool obs_module_load(void)
{
if (!load_libvlc_module()) {
blog(LOG_INFO, "Couldn't find VLC installation, VLC video "
"source disabled");
return true;
}
if (!load_vlc_funcs())
return true;
blog(LOG_INFO, "VLC found, VLC video source enabled");
obs_register_source(&vlc_source_info);
return true;
}
void obs_module_unload(void)
{
if (libvlc)
libvlc_release_(libvlc);
#ifdef __APPLE__
if (libvlc_core_module)
os_dlclose(libvlc_core_module);
#endif
if (libvlc_module)
os_dlclose(libvlc_module);
}