Add support for libass subtitles

1 files changed, 59 insertions, 0 deletions

diff --git a/src/kitlib.c b/src/kitlib.c
new file mode 100644
index 0000000..3c3eee3
--- /dev/null
+++ b/src/kitlib.c
@@ -0,0 +1,59 @@
+#include "kitchensink/kitchensink.h"
+#include "kitchensink/internal/kitlibstate.h"
+#include <libavformat/avformat.h>
+#include <ass/ass.h>
+#include <assert.h>
+
+// No-op
+void _libass_msg_callback(int level, const char *fmt, va_list va, void *data) {}
+
+int Kit_Init(unsigned int flags) {
+    Kit_LibraryState *state = Kit_GetLibraryState();
+
+    if(state->init_flags != 0) {
+        Kit_SetError("Kitchensink is already initialized.");
+        return 1;
+    }
+    if(flags & KIT_INIT_NETWORK) {
+        avformat_network_init();
+    }
+    if(flags & KIT_INIT_FORMATS) {
+        av_register_all();
+    }
+
+    state->init_flags = flags;
+
+    // Init libass
+    state->libass_handle = ass_library_init();
+
+    // Set up libass font directories
+    if(strcmp(SDL_GetPlatform(), "Windows") == 0) {
+        ass_set_fonts_dir(state->libass_handle, "C:/Windows/Fonts");
+    }
+    else if(strcmp(SDL_GetPlatform(), "Linux") == 0) {
+        ass_set_fonts_dir(state->libass_handle, "/usr/share/fonts");
+    }
+
+    // Make libass message spam go away
+    ass_set_message_cb(state->libass_handle, _libass_msg_callback, NULL);
+    
+    return 0;
+}
+
+void Kit_Quit() {
+    Kit_LibraryState *state = Kit_GetLibraryState();
+
+    if(state->init_flags & KIT_INIT_NETWORK) {
+        avformat_network_deinit();
+    }
+    state->init_flags = 0;
+
+    ass_library_done(state->libass_handle);
+}
+
+void Kit_GetVersion(Kit_Version *version) {
+    assert(version != NULL);
+    version->major = KIT_VERSION_MAJOR;
+    version->minor = KIT_VERSION_MINOR;
+    version->patch = KIT_VERSION_PATCH;
+}