Piggy-back on Movit's GL.h library.

[mlt] / src / modules / opengl / filter_glsl_manager.h

diff --git a/src/modules/opengl/filter_glsl_manager.h b/src/modules/opengl/filter_glsl_manager.h
index 4bc3836b1e0a341277a06b16b04825221e3fdceb..35e81b13eb16efa35de1746664617af689c17abc 100644 (file)
--- a/src/modules/opengl/filter_glsl_manager.h
+++ b/src/modules/opengl/filter_glsl_manager.h
@@ -20,9 +20,15 @@
 #ifndef GLSL_MANAGER_H
 #define GLSL_MANAGER_H
 
-#include <glew.h>
+// Include a random Movit header file to get in GL.h, without including it
+// ourselves (which might interfere with whatever OpenGL extension library
+// Movit has chosen to use).
+#include <movit/resource_pool.h>
+
 #include <mlt++/MltFilter.h>
 #include <mlt++/MltDeque.h>
+#include <map>
+#include <string>
 
 #define MAXLISTCOUNT 1024
 typedef struct glsl_list_s *glsl_list;
@@ -47,16 +53,6 @@ struct glsl_texture_s
 };
 typedef struct glsl_texture_s *glsl_texture;
 
-struct glsl_fbo_s
-{
-       int used;
-       int width;
-       int height;
-       GLuint fbo;
-       void* context;
-};
-typedef struct glsl_fbo_s *glsl_fbo;
-
 struct glsl_pbo_s
 {
        int size;
@@ -64,45 +60,78 @@ struct glsl_pbo_s
 };
 typedef struct glsl_pbo_s *glsl_pbo;
 
+namespace movit {
+
 class Effect;
 class EffectChain;
+class ResourcePool;
+
+}  // namespace movit
+
 class MltInput;
 
+struct GlslChain
+{
+       movit::EffectChain *effect_chain;
+
+       // All MltInputs in the effect chain. These are not owned by the
+       // EffectChain (although the contained Input* is).
+       std::map<mlt_producer, MltInput*> inputs;
+
+       // All services owned by the effect chain and their associated Movit effect.
+       std::map<mlt_service, movit::Effect*> effects;
+
+       // For each effect in the Movit graph, a unique identifier for the service
+       // and whether it's disabled or not, using post-order traversal.
+       // We need to generate the chain if and only if this has changed.
+       std::string fingerprint;
+};
+
 class GlslManager : public Mlt::Filter
 {
 public:
        GlslManager();
        ~GlslManager();
+       void add_ref(mlt_properties properties);
        static GlslManager* get_instance();
 
-       glsl_fbo get_fbo(int width, int height);
-       static void release_fbo(glsl_fbo);
        glsl_texture get_texture(int width, int height, GLint internal_format);
        static void release_texture(glsl_texture);
        static void delete_sync(GLsync sync);
        glsl_pbo get_pbo(int size);
        void cleanupContext();
 
-       Properties effect_list( Mlt::Service &service );
-       static bool init_chain(mlt_service);
-       static EffectChain* get_chain(mlt_service);
-       static MltInput* get_input(mlt_service);
-       static void reset_finalized(mlt_service);
-       static Effect* get_effect(mlt_service, mlt_frame);
-       static Effect* add_effect(mlt_service, mlt_frame, Effect*);
-       static Effect* add_effect(mlt_service, mlt_frame, Effect*, Effect* input_b);
-       static void render_fbo(mlt_service, void *chain, GLuint fbo, int width, int height);
-       int render_frame_texture(mlt_service, mlt_frame, int width, int height, uint8_t **image);
-       int render_frame_rgba(mlt_service, mlt_frame, int width, int height, uint8_t **image);
+       movit::ResourcePool* get_resource_pool() { return resource_pool; }
+
+       static void set_chain(mlt_service, GlslChain*);
+       static GlslChain* get_chain(mlt_service);
+
+       static movit::Effect* get_effect(mlt_service, mlt_frame);
+       static movit::Effect* set_effect(mlt_service, mlt_frame, movit::Effect*);
+       static MltInput* get_input(mlt_producer, mlt_frame);
+       static MltInput* set_input(mlt_producer, mlt_frame, MltInput*);
+       static uint8_t* get_input_pixel_pointer(mlt_producer, mlt_frame);
+       static uint8_t* set_input_pixel_pointer(mlt_producer, mlt_frame, uint8_t*);
+
+       static mlt_service get_effect_input(mlt_service, mlt_frame);
+       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);
+
+       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);
        static void lock_service(mlt_frame frame);
        static void unlock_service(mlt_frame frame);
 
 private:
+       static void* get_frame_specific_data( mlt_service service, mlt_frame frame, const char *key, int *length );
+       static int set_frame_specific_data( mlt_service service, mlt_frame frame, const char *key, void *value, int length, mlt_destructor destroy, mlt_serialiser serialise );
+
        static void onInit( mlt_properties owner, GlslManager* filter );
        static void onClose( mlt_properties owner, GlslManager* filter );
        static void onServiceChanged( mlt_properties owner, mlt_service service );
        static void onPropertyChanged( mlt_properties owner, mlt_service service, const char* property );
-       Mlt::Deque fbo_list;
+       movit::ResourcePool* resource_pool;
        Mlt::Deque texture_list;
        Mlt::Deque syncs_to_delete;
        glsl_pbo  pbo;