2 * filter_glsl_manager.h
3 * Copyright (C) 2013 Dan Dennedy <dan@dennedy.org>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software Foundation,
17 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20 #ifndef GLSL_MANAGER_H
21 #define GLSL_MANAGER_H
24 #include <mlt++/MltFilter.h>
25 #include <mlt++/MltDeque.h>
29 #define MAXLISTCOUNT 1024
30 typedef struct glsl_list_s *glsl_list;
33 void *items[MAXLISTCOUNT];
36 int ( *add )( glsl_list, void* );
37 void* ( *at )( glsl_list, int );
38 void* ( *take_at )( glsl_list, int );
39 void* ( *take )( glsl_list, void* );
48 GLint internal_format;
50 typedef struct glsl_texture_s *glsl_texture;
60 typedef struct glsl_fbo_s *glsl_fbo;
67 typedef struct glsl_pbo_s *glsl_pbo;
76 EffectChain *effect_chain;
78 // All services owned by the effect chain and their associated Movit effect.
79 std::map<mlt_service, Effect*> effects;
81 // For each effect in the Movit graph, a unique identifier for the service
82 // and whether it's disabled or not, using post-order traversal.
83 // We need to generate the chain if and only if this has changed.
84 std::string fingerprint;
87 class GlslManager : public Mlt::Filter
92 void add_ref(mlt_properties properties);
93 static GlslManager* get_instance();
95 glsl_fbo get_fbo(int width, int height);
96 static void release_fbo(glsl_fbo);
97 glsl_texture get_texture(int width, int height, GLint internal_format);
98 static void release_texture(glsl_texture);
99 static void delete_sync(GLsync sync);
100 glsl_pbo get_pbo(int size);
101 void cleanupContext();
103 ResourcePool* get_resource_pool() { return resource_pool; }
105 static void set_chain(mlt_service, GlslChain*);
106 static GlslChain* get_chain(mlt_service);
108 static Effect* get_effect(mlt_service, mlt_frame);
109 static Effect* set_effect(mlt_service, mlt_frame, Effect*);
110 static MltInput* get_input(mlt_producer, mlt_frame);
111 static MltInput* set_input(mlt_producer, mlt_frame, MltInput*);
112 static uint8_t* get_input_pixel_pointer(mlt_producer, mlt_frame);
113 static uint8_t* set_input_pixel_pointer(mlt_producer, mlt_frame, uint8_t*);
115 static mlt_service get_effect_input(mlt_service, mlt_frame);
116 static void set_effect_input(mlt_service, mlt_frame, mlt_service);
117 static void get_effect_secondary_input(mlt_service, mlt_frame, mlt_service*, mlt_frame*);
118 static void set_effect_secondary_input(mlt_service, mlt_frame, mlt_service, mlt_frame);
120 int render_frame_texture(EffectChain*, mlt_frame, int width, int height, uint8_t **image);
121 int render_frame_rgba(EffectChain*, mlt_frame, int width, int height, uint8_t **image);
122 static void lock_service(mlt_frame frame);
123 static void unlock_service(mlt_frame frame);
126 static void* get_frame_specific_data( mlt_service service, mlt_frame frame, const char *key, int *length );
127 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 );
129 static void onInit( mlt_properties owner, GlslManager* filter );
130 static void onClose( mlt_properties owner, GlslManager* filter );
131 static void onServiceChanged( mlt_properties owner, mlt_service service );
132 static void onPropertyChanged( mlt_properties owner, mlt_service service, const char* property );
133 ResourcePool* resource_pool;
135 Mlt::Deque texture_list;
136 Mlt::Deque syncs_to_delete;
138 Mlt::Event* initEvent;
139 Mlt::Event* closeEvent;
143 #endif // GLSL_MANAGER_H