static void set_effect_input(mlt_service, mlt_frame, mlt_service);
static void get_effect_secondary_input(mlt_service, mlt_frame, mlt_service*, mlt_frame*);
static void set_effect_secondary_input(mlt_service, mlt_frame, mlt_service, mlt_frame);
+ static void get_effect_third_input(mlt_service, mlt_frame, mlt_service*, mlt_frame*);
+ static void set_effect_third_input(mlt_service, mlt_frame, mlt_service, mlt_frame);
int render_frame_texture(movit::EffectChain*, mlt_frame, int width, int height, uint8_t **image);
int render_frame_rgba(movit::EffectChain*, mlt_frame, int width, int height, uint8_t **image);