fix: Resource leak in video player initializer and call cleanup before returning false

- use early returns in `init_video_player` to use `goto error` pattern
- fix formatting

src/video.h

@@ -2,33 +2,32 @@
 #define VIDEO_H
 
 #include <SDL2/SDL.h>
-#include <stdbool.h>
-
 #include <libavcodec/avcodec.h>
 #include <libavformat/avformat.h>
-#include <libswscale/swscale.h>
 #include <libavutil/imgutils.h>
+#include <libswscale/swscale.h>
+#include <stdbool.h>
 
-typedef struct VideoPlayer
-{
-    AVFormatContext *format_ctx;
-    AVCodecContext *codec_ctx;
-    struct SwsContext *sws_ctx;
-    AVFrame *frame;
-    AVFrame *rgba_frame;
-    uint8_t *rgba_buffer;
-    int rgba_buffer_size;
-    int stream_index;
-    int width;
-    int height;
-    int frame_delay_ms;
-    Uint32 next_frame_tick;
-    SDL_Texture *texture;
+typedef struct VideoPlayer {
+  AVFormatContext* format_ctx;
+  AVCodecContext* codec_ctx;
+  struct SwsContext* sws_ctx;
+  AVFrame* frame;
+  AVFrame* rgba_frame;
+  uint8_t* rgba_buffer;
+  int rgba_buffer_size;
+  int stream_index;
+  int width;
+  int height;
+  int frame_delay_ms;
+  Uint32 next_frame_tick;
+  SDL_Texture* texture;
 } VideoPlayer;
 
-bool has_video_extension(const char *path);
-bool init_video_player(VideoPlayer *player, SDL_Renderer *renderer, const char *path);
-void cleanup_video_player(VideoPlayer *player);
-bool decode_next_frame(VideoPlayer *player);
+bool has_video_extension(const char* path);
+bool init_video_player(VideoPlayer* player, SDL_Renderer* renderer,
+                       const char* path);
+void cleanup_video_player(VideoPlayer* player);
+bool decode_next_frame(VideoPlayer* player);
 
-#endif // VIDEO_H
+#endif  // VIDEO_H