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>
33 #include "gstvaapiuploader.h"
37 typedef struct _GstVaapiPluginBase GstVaapiPluginBase;
38 typedef struct _GstVaapiPluginBaseClass GstVaapiPluginBaseClass;
40 #define GST_VAAPI_PLUGIN_BASE(plugin) \
41 ((GstVaapiPluginBase *)(plugin))
42 #define GST_VAAPI_PLUGIN_BASE_CLASS(plugin) \
43 ((GstVaapiPluginBaseClass *)(plugin))
44 #define GST_VAAPI_PLUGIN_BASE_GET_CLASS(plugin) \
45 GST_VAAPI_PLUGIN_BASE_CLASS(GST_ELEMENT_GET_CLASS( \
46 GST_VAAPI_PLUGIN_BASE_ELEMENT(plugin)))
47 #define GST_VAAPI_PLUGIN_BASE_PARENT(plugin) \
48 (&GST_VAAPI_PLUGIN_BASE(plugin)->parent_instance)
49 #define GST_VAAPI_PLUGIN_BASE_PARENT_CLASS(plugin) \
50 (&GST_VAAPI_PLUGIN_BASE_CLASS(plugin)->parent_class)
51 #define GST_VAAPI_PLUGIN_BASE_ELEMENT(plugin) \
52 (&GST_VAAPI_PLUGIN_BASE_PARENT(plugin)->element)
53 #define GST_VAAPI_PLUGIN_BASE_ELEMENT_CLASS(plugin) \
54 (&GST_VAAPI_PLUGIN_BASE_PARENT_CLASS(plugin)->element)
55 #define GST_VAAPI_PLUGIN_BASE_DECODER(plugin) \
56 (&GST_VAAPI_PLUGIN_BASE_PARENT(plugin)->decoder)
57 #define GST_VAAPI_PLUGIN_BASE_DECODER_CLASS(plugin) \
58 (&GST_VAAPI_PLUGIN_BASE_PARENT_CLASS(plugin)->decoder)
59 #define GST_VAAPI_PLUGIN_BASE_ENCODER(plugin) \
60 (&GST_VAAPI_PLUGIN_BASE_PARENT(plugin)->encoder)
61 #define GST_VAAPI_PLUGIN_BASE_ENCODER_CLASS(plugin) \
62 (&GST_VAAPI_PLUGIN_BASE_PARENT_CLASS(plugin)->encoder)
63 #define GST_VAAPI_PLUGIN_BASE_TRANSFORM(plugin) \
64 (&GST_VAAPI_PLUGIN_BASE_PARENT(plugin)->transform)
65 #define GST_VAAPI_PLUGIN_BASE_TRANSFORM_CLASS(plugin) \
66 (&GST_VAAPI_PLUGIN_BASE_PARENT_CLASS(plugin)->transform)
67 #define GST_VAAPI_PLUGIN_BASE_SINK(plugin) \
68 (&GST_VAAPI_PLUGIN_BASE_PARENT(plugin)->sink)
69 #define GST_VAAPI_PLUGIN_BASE_SINK_CLASS(plugin) \
70 (&GST_VAAPI_PLUGIN_BASE_PARENT_CLASS(plugin)->sink)
72 #define GST_VAAPI_PLUGIN_BASE_INIT_INTERFACES \
73 gst_vaapi_plugin_base_init_interfaces(g_define_type_id);
75 #define GST_VAAPI_PLUGIN_BASE_SINK_PAD(plugin) \
76 (GST_VAAPI_PLUGIN_BASE(plugin)->sinkpad)
77 #define GST_VAAPI_PLUGIN_BASE_SINK_PAD_CAPS(plugin) \
78 (GST_VAAPI_PLUGIN_BASE(plugin)->sinkpad_caps)
79 #define GST_VAAPI_PLUGIN_BASE_SINK_PAD_INFO(plugin) \
80 (&GST_VAAPI_PLUGIN_BASE(plugin)->sinkpad_info)
81 #define GST_VAAPI_PLUGIN_BASE_SINK_PAD_QUERYFUNC(plugin) \
82 (GST_VAAPI_PLUGIN_BASE(plugin)->sinkpad_query)
83 #define GST_VAAPI_PLUGIN_BASE_SRC_PAD(plugin) \
84 (GST_VAAPI_PLUGIN_BASE(plugin)->srcpad)
85 #define GST_VAAPI_PLUGIN_BASE_SRC_PAD_CAPS(plugin) \
86 (GST_VAAPI_PLUGIN_BASE(plugin)->srcpad_caps)
87 #define GST_VAAPI_PLUGIN_BASE_SRC_PAD_INFO(plugin) \
88 (&GST_VAAPI_PLUGIN_BASE(plugin)->srcpad_info)
89 #define GST_VAAPI_PLUGIN_BASE_SRC_PAD_QUERYFYNC(plugin) \
90 (GST_VAAPI_PLUGIN_BASE(plugin)->srcpad_query)
92 #define GST_VAAPI_PLUGIN_BASE_DISPLAY(plugin) \
93 (GST_VAAPI_PLUGIN_BASE(plugin)->display)
94 #define GST_VAAPI_PLUGIN_BASE_DISPLAY_TYPE(plugin) \
95 (GST_VAAPI_PLUGIN_BASE(plugin)->display_type)
96 #define GST_VAAPI_PLUGIN_BASE_DISPLAY_REPLACE(plugin, new_display) \
97 (gst_vaapi_display_replace(&GST_VAAPI_PLUGIN_BASE_DISPLAY(plugin), \
100 #define GST_VAAPI_PLUGIN_BASE_UPLOADER(plugin) \
101 (GST_VAAPI_PLUGIN_BASE(plugin)->uploader)
102 #define GST_VAAPI_PLUGIN_BASE_UPLOADER_CAPS(plugin) \
103 (gst_vaapi_uploader_get_caps(GST_VAAPI_PLUGIN_BASE_UPLOADER(plugin)))
104 #define GST_VAAPI_PLUGIN_BASE_UPLOADER_USED(plugin) \
105 (GST_VAAPI_PLUGIN_BASE(plugin)->uploader_used)
107 struct _GstVaapiPluginBase
113 GstVideoDecoder decoder;
114 GstVideoEncoder encoder;
115 GstBaseTransform transform;
119 GstDebugCategory *debug_category;
122 GstCaps *sinkpad_caps;
123 gboolean sinkpad_caps_changed;
124 GstVideoInfo sinkpad_info;
125 GstPadQueryFunction sinkpad_query;
126 #if GST_CHECK_VERSION(1,0,0)
127 GstBufferPool *sinkpad_buffer_pool;
128 guint sinkpad_buffer_size;
132 GstCaps *srcpad_caps;
133 gboolean srcpad_caps_changed;
134 GstVideoInfo srcpad_info;
135 GstPadQueryFunction srcpad_query;
137 GstVaapiDisplay *display;
138 GstVaapiDisplayType display_type;
139 GstVaapiDisplayType display_type_req;
141 GstVaapiUploader *uploader;
142 gboolean uploader_used;
145 struct _GstVaapiPluginBaseClass
150 GstElementClass element;
151 GstVideoDecoderClass decoder;
152 GstVideoEncoderClass encoder;
153 GstBaseTransformClass transform;
154 GstVideoSinkClass sink;
157 gboolean (*has_interface) (GstVaapiPluginBase * plugin, GType type);
158 void (*display_changed) (GstVaapiPluginBase * plugin);
163 gst_vaapi_plugin_base_init_interfaces (GType type);
167 gst_vaapi_plugin_base_class_init (GstVaapiPluginBaseClass * klass);
171 gst_vaapi_plugin_base_init (GstVaapiPluginBase * plugin,
172 GstDebugCategory * debug_category);
176 gst_vaapi_plugin_base_finalize (GstVaapiPluginBase * plugin);
180 gst_vaapi_plugin_base_open (GstVaapiPluginBase * plugin);
184 gst_vaapi_plugin_base_close (GstVaapiPluginBase * plugin);
188 gst_vaapi_plugin_base_set_display_type (GstVaapiPluginBase * plugin,
189 GstVaapiDisplayType display_type);
193 gst_vaapi_plugin_base_ensure_display (GstVaapiPluginBase * plugin);
197 gst_vaapi_plugin_base_ensure_uploader (GstVaapiPluginBase * plugin);
201 gst_vaapi_plugin_base_set_caps (GstVaapiPluginBase * plugin, GstCaps * incaps,
206 gst_vaapi_plugin_base_propose_allocation (GstVaapiPluginBase * plugin,
211 gst_vaapi_plugin_base_allocate_input_buffer (GstVaapiPluginBase * plugin,
212 GstCaps * caps, GstBuffer ** outbuf_ptr);
216 gst_vaapi_plugin_base_get_input_buffer (GstVaapiPluginBase * plugin,
217 GstBuffer * inbuf, GstBuffer ** outbuf_ptr);
221 #endif /* GST_VAAPI_PLUGIN_BASE_H */