1 /* GStreamer 2 * Copyright (C) 2009 Sebastian Dröge <sebastian.droege@collabora.co.uk> 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Library General Public 6 * License as published by the Free Software Foundation; either 7 * version 2 of the License, or (at your option) any later version. 8 * 9 * This library is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Library General Public License for more details. 13 * 14 * You should have received a copy of the GNU Library General Public 15 * License along with this library; if not, write to the 16 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 17 * Boston, MA 02110-1301, USA. 18 */ 19 20 #ifndef __GST_FREI0R_H__ 21 #define __GST_FREI0R_H__ 22 23 #include <gst/gst.h> 24 25 #include "frei0r.h" 26 27 G_BEGIN_DECLS 28 29 typedef struct _GstFrei0rFuncTable GstFrei0rFuncTable; 30 typedef struct _GstFrei0rProperty GstFrei0rProperty; 31 typedef struct _GstFrei0rPropertyValue GstFrei0rPropertyValue; 32 33 struct _GstFrei0rPropertyValue { 34 union { 35 f0r_param_bool b; 36 f0r_param_double d; 37 f0r_param_string *s; 38 f0r_param_position_t position; 39 f0r_param_color_t color; 40 } data; 41 }; 42 43 struct _GstFrei0rProperty { 44 guint prop_id; 45 guint n_prop_ids; 46 47 gint prop_idx; 48 f0r_param_info_t info; 49 50 GstFrei0rPropertyValue default_value; 51 }; 52 53 struct _GstFrei0rFuncTable { 54 int (*init) (void); 55 void (*deinit) (void); 56 57 f0r_instance_t (*construct) (unsigned int width, unsigned int height); 58 void (*destruct) (f0r_instance_t instance); 59 60 void (*get_plugin_info) (f0r_plugin_info_t* info); 61 void (*get_param_info) (f0r_param_info_t* info, int param_index); 62 63 void (*set_param_value) (f0r_instance_t instance, 64 f0r_param_t param, int param_index); 65 void (*get_param_value) (f0r_instance_t instance, 66 f0r_param_t param, int param_index); 67 68 void (*update) (f0r_instance_t instance, 69 double time, const guint32* inframe, guint32* outframe); 70 void (*update2) (f0r_instance_t instance, 71 double time, 72 const guint32* inframe1, 73 const guint32* inframe2, 74 const guint32* inframe3, 75 guint32* outframe); 76 }; 77 78 typedef enum { 79 GST_FREI0R_PLUGIN_REGISTER_RETURN_OK, 80 GST_FREI0R_PLUGIN_REGISTER_RETURN_FAILED, 81 GST_FREI0R_PLUGIN_REGISTER_RETURN_ALREADY_REGISTERED 82 } GstFrei0rPluginRegisterReturn; 83 84 void gst_frei0r_klass_install_properties (GObjectClass *gobject_class, GstFrei0rFuncTable *ftable, GstFrei0rProperty *properties, gint n_properties); 85 86 f0r_instance_t * gst_frei0r_instance_construct (GstFrei0rFuncTable *ftable, GstFrei0rProperty *properties, gint n_properties, GstFrei0rPropertyValue *property_cache, gint width, gint height); 87 88 GstFrei0rPropertyValue * gst_frei0r_property_cache_init (GstFrei0rProperty *properties, gint n_properties); 89 void gst_frei0r_property_cache_free (GstFrei0rProperty *properties, GstFrei0rPropertyValue *property_cache, gint n_properties); 90 91 GstCaps * gst_frei0r_caps_from_color_model (gint color_model); 92 gboolean gst_frei0r_get_property (f0r_instance_t *instance, GstFrei0rFuncTable *ftable, GstFrei0rProperty *properties, gint n_properties, GstFrei0rPropertyValue *property_cache, guint prop_id, GValue *value); 93 gboolean gst_frei0r_set_property (f0r_instance_t *instance, GstFrei0rFuncTable *ftable, GstFrei0rProperty *properties, gint n_properties, GstFrei0rPropertyValue *property_cache, guint prop_id, const GValue *value); 94 95 G_END_DECLS 96 97 #endif /* __GST_FREI0R_H__ */ 98