2 * gstvaapipluginbase.h - Base GStreamer VA-API Plugin element
4 * Copyright (C) 2010-2011 Splitted-Desktop Systems
5 * Author: Gwenole Beauchesne <gwenole.beauchesne@splitted-desktop.com>
6 * Copyright (C) 2011-2013 Intel Corporation
7 * Author: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public License
11 * as published by the Free Software Foundation; either version 2.1
12 * of the License, or (at your option) any later version.
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this library; if not, write to the Free
21 * Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
22 * Boston, MA 02110-1301 USA
25 #ifndef GST_VAAPI_PLUGIN_BASE_H
26 #define GST_VAAPI_PLUGIN_BASE_H
28 #include <gst/base/gstbasetransform.h>
29 #include <gst/video/gstvideodecoder.h>
30 #include <gst/video/gstvideoencoder.h>
31 #include <gst/video/gstvideosink.h>
32 #include <gst/vaapi/gstvaapidisplay.h>
34 #if USE_GST_GL_HELPERS
35 # include <gst/gl/gstglcontext.h>
40 typedef struct _GstVaapiPluginBase GstVaapiPluginBase;
41 typedef struct _GstVaapiPluginBaseClass GstVaapiPluginBaseClass;
43 #define GST_VAAPI_PLUGIN_BASE(plugin) \
44 ((GstVaapiPluginBase *)(plugin))
45 #define GST_VAAPI_PLUGIN_BASE_CLASS(plugin) \
46 ((GstVaapiPluginBaseClass *)(plugin))
47 #define GST_VAAPI_PLUGIN_BASE_GET_CLASS(plugin) \
48 GST_VAAPI_PLUGIN_BASE_CLASS(GST_ELEMENT_GET_CLASS( \
49 GST_VAAPI_PLUGIN_BASE_ELEMENT(plugin)))
50 #define GST_VAAPI_PLUGIN_BASE_PARENT(plugin) \
51 (&GST_VAAPI_PLUGIN_BASE(plugin)->parent_instance)
52 #define GST_VAAPI_PLUGIN_BASE_PARENT_CLASS(plugin) \
53 (&GST_VAAPI_PLUGIN_BASE_CLASS(plugin)->parent_class)
54 #define GST_VAAPI_PLUGIN_BASE_ELEMENT(plugin) \
55 (&GST_VAAPI_PLUGIN_BASE_PARENT(plugin)->element)
56 #define GST_VAAPI_PLUGIN_BASE_ELEMENT_CLASS(plugin) \
57 (&GST_VAAPI_PLUGIN_BASE_PARENT_CLASS(plugin)->element)
58 #define GST_VAAPI_PLUGIN_BASE_DECODER(plugin) \
59 (&GST_VAAPI_PLUGIN_BASE_PARENT(plugin)->decoder)
60 #define GST_VAAPI_PLUGIN_BASE_DECODER_CLASS(plugin) \
61 (&GST_VAAPI_PLUGIN_BASE_PARENT_CLASS(plugin)->decoder)
62 #define GST_VAAPI_PLUGIN_BASE_ENCODER(plugin) \
63 (&GST_VAAPI_PLUGIN_BASE_PARENT(plugin)->encoder)
64 #define GST_VAAPI_PLUGIN_BASE_ENCODER_CLASS(plugin) \
65 (&GST_VAAPI_PLUGIN_BASE_PARENT_CLASS(plugin)->encoder)
66 #define GST_VAAPI_PLUGIN_BASE_TRANSFORM(plugin) \
67 (&GST_VAAPI_PLUGIN_BASE_PARENT(plugin)->transform)
68 #define GST_VAAPI_PLUGIN_BASE_TRANSFORM_CLASS(plugin) \
69 (&GST_VAAPI_PLUGIN_BASE_PARENT_CLASS(plugin)->transform)
70 #define GST_VAAPI_PLUGIN_BASE_SINK(plugin) \
71 (&GST_VAAPI_PLUGIN_BASE_PARENT(plugin)->sink)
72 #define GST_VAAPI_PLUGIN_BASE_SINK_CLASS(plugin) \
73 (&GST_VAAPI_PLUGIN_BASE_PARENT_CLASS(plugin)->sink)
75 #define GST_VAAPI_PLUGIN_BASE_INIT_INTERFACES \
76 gst_vaapi_plugin_base_init_interfaces(g_define_type_id);
78 #define GST_VAAPI_PLUGIN_BASE_SINK_PAD(plugin) \
79 (GST_VAAPI_PLUGIN_BASE(plugin)->sinkpad)
80 #define GST_VAAPI_PLUGIN_BASE_SINK_PAD_CAPS(plugin) \
81 (GST_VAAPI_PLUGIN_BASE(plugin)->sinkpad_caps)
82 #define GST_VAAPI_PLUGIN_BASE_SINK_PAD_INFO(plugin) \
83 (&GST_VAAPI_PLUGIN_BASE(plugin)->sinkpad_info)
84 #define GST_VAAPI_PLUGIN_BASE_SRC_PAD(plugin) \
85 (GST_VAAPI_PLUGIN_BASE(plugin)->srcpad)
86 #define GST_VAAPI_PLUGIN_BASE_SRC_PAD_CAPS(plugin) \
87 (GST_VAAPI_PLUGIN_BASE(plugin)->srcpad_caps)
88 #define GST_VAAPI_PLUGIN_BASE_SRC_PAD_INFO(plugin) \
89 (&GST_VAAPI_PLUGIN_BASE(plugin)->srcpad_info)
91 #define GST_VAAPI_PLUGIN_BASE_DISPLAY(plugin) \
92 (GST_VAAPI_PLUGIN_BASE(plugin)->display)
93 #define GST_VAAPI_PLUGIN_BASE_DISPLAY_TYPE(plugin) \
94 (GST_VAAPI_PLUGIN_BASE(plugin)->display_type)
95 #define GST_VAAPI_PLUGIN_BASE_DISPLAY_NAME(plugin) \
96 (GST_VAAPI_PLUGIN_BASE(plugin)->display_name)
97 #define GST_VAAPI_PLUGIN_BASE_DISPLAY_REPLACE(plugin, new_display) \
98 (gst_vaapi_display_replace(&GST_VAAPI_PLUGIN_BASE_DISPLAY(plugin), \
101 #define GST_VAAPI_PLUGIN_BASE_DEFINE_SET_CONTEXT(parent_class) \
103 gst_vaapi_base_set_context (GstElement * element, GstContext * context) \
105 GstVaapiPluginBase *const plugin = GST_VAAPI_PLUGIN_BASE (element); \
107 gst_vaapi_plugin_base_set_context (plugin, context); \
108 GST_ELEMENT_CLASS (parent_class)->set_context (element, context); \
111 struct _GstVaapiPluginBase
117 GstVideoDecoder decoder;
118 GstVideoEncoder encoder;
119 GstBaseTransform transform;
123 GstDebugCategory *debug_category;
126 GstCaps *sinkpad_caps;
127 gboolean sinkpad_caps_is_raw;
128 GstVideoInfo sinkpad_info;
129 GstBufferPool *sinkpad_buffer_pool;
130 guint sinkpad_buffer_size;
133 GstCaps *srcpad_caps;
134 GstVideoInfo srcpad_info;
135 GstBufferPool *srcpad_buffer_pool;
137 GstVaapiDisplay *display;
138 GstVaapiDisplayType display_type;
139 GstVaapiDisplayType display_type_req;
142 GstObject *gl_context;
143 GstObject *gl_display;
144 GstObject *gl_other_context;
146 GstCaps *allowed_raw_caps;
147 GstAllocator *sinkpad_allocator;
148 GstAllocator *srcpad_allocator;
151 struct _GstVaapiPluginBaseClass
156 GstElementClass element;
157 GstVideoDecoderClass decoder;
158 GstVideoEncoderClass encoder;
159 GstBaseTransformClass transform;
160 GstVideoSinkClass sink;
163 gboolean (*has_interface) (GstVaapiPluginBase * plugin, GType type);
164 void (*display_changed) (GstVaapiPluginBase * plugin);
169 gst_vaapi_plugin_base_init_interfaces (GType type);
173 gst_vaapi_plugin_base_class_init (GstVaapiPluginBaseClass * klass);
177 gst_vaapi_plugin_base_init (GstVaapiPluginBase * plugin,
178 GstDebugCategory * debug_category);
182 gst_vaapi_plugin_base_finalize (GstVaapiPluginBase * plugin);
186 gst_vaapi_plugin_base_open (GstVaapiPluginBase * plugin);
190 gst_vaapi_plugin_base_close (GstVaapiPluginBase * plugin);
194 gst_vaapi_plugin_base_has_display_type (GstVaapiPluginBase * plugin,
195 GstVaapiDisplayType display_type_req);
199 gst_vaapi_plugin_base_set_display_type (GstVaapiPluginBase * plugin,
200 GstVaapiDisplayType display_type);
204 gst_vaapi_plugin_base_set_display_name (GstVaapiPluginBase * plugin,
205 const gchar * display_name);
209 gst_vaapi_plugin_base_ensure_display (GstVaapiPluginBase * plugin);
213 gst_vaapi_plugin_base_set_caps (GstVaapiPluginBase * plugin, GstCaps * incaps,
218 gst_vaapi_plugin_base_propose_allocation (GstVaapiPluginBase * plugin,
223 gst_vaapi_plugin_base_decide_allocation (GstVaapiPluginBase * plugin,
228 gst_vaapi_plugin_base_get_input_buffer (GstVaapiPluginBase * plugin,
229 GstBuffer * inbuf, GstBuffer ** outbuf_ptr);
233 gst_vaapi_plugin_base_set_context (GstVaapiPluginBase * plugin,
234 GstContext * context);
238 gst_vaapi_plugin_base_set_gl_context (GstVaapiPluginBase * plugin,
243 gst_vaapi_plugin_base_create_gl_context (GstVaapiPluginBase * plugin);
247 gst_vaapi_plugin_base_get_allowed_raw_caps (GstVaapiPluginBase * plugin);
251 #endif /* GST_VAAPI_PLUGIN_BASE_H */