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>
36 typedef struct _GstVaapiPluginBase GstVaapiPluginBase;
37 typedef struct _GstVaapiPluginBaseClass GstVaapiPluginBaseClass;
39 #define GST_VAAPI_PLUGIN_BASE(plugin) \
40 ((GstVaapiPluginBase *)(plugin))
41 #define GST_VAAPI_PLUGIN_BASE_CLASS(plugin) \
42 ((GstVaapiPluginBaseClass *)(plugin))
43 #define GST_VAAPI_PLUGIN_BASE_GET_CLASS(plugin) \
44 GST_VAAPI_PLUGIN_BASE_CLASS(GST_ELEMENT_GET_CLASS( \
45 GST_VAAPI_PLUGIN_BASE_ELEMENT(plugin)))
46 #define GST_VAAPI_PLUGIN_BASE_PARENT(plugin) \
47 (&GST_VAAPI_PLUGIN_BASE(plugin)->parent_instance)
48 #define GST_VAAPI_PLUGIN_BASE_PARENT_CLASS(plugin) \
49 (&GST_VAAPI_PLUGIN_BASE_CLASS(plugin)->parent_class)
50 #define GST_VAAPI_PLUGIN_BASE_ELEMENT(plugin) \
51 (&GST_VAAPI_PLUGIN_BASE_PARENT(plugin)->element)
52 #define GST_VAAPI_PLUGIN_BASE_ELEMENT_CLASS(plugin) \
53 (&GST_VAAPI_PLUGIN_BASE_PARENT_CLASS(plugin)->element)
54 #define GST_VAAPI_PLUGIN_BASE_DECODER(plugin) \
55 (&GST_VAAPI_PLUGIN_BASE_PARENT(plugin)->decoder)
56 #define GST_VAAPI_PLUGIN_BASE_DECODER_CLASS(plugin) \
57 (&GST_VAAPI_PLUGIN_BASE_PARENT_CLASS(plugin)->decoder)
58 #define GST_VAAPI_PLUGIN_BASE_ENCODER(plugin) \
59 (&GST_VAAPI_PLUGIN_BASE_PARENT(plugin)->encoder)
60 #define GST_VAAPI_PLUGIN_BASE_ENCODER_CLASS(plugin) \
61 (&GST_VAAPI_PLUGIN_BASE_PARENT_CLASS(plugin)->encoder)
62 #define GST_VAAPI_PLUGIN_BASE_TRANSFORM(plugin) \
63 (&GST_VAAPI_PLUGIN_BASE_PARENT(plugin)->transform)
64 #define GST_VAAPI_PLUGIN_BASE_TRANSFORM_CLASS(plugin) \
65 (&GST_VAAPI_PLUGIN_BASE_PARENT_CLASS(plugin)->transform)
66 #define GST_VAAPI_PLUGIN_BASE_SINK(plugin) \
67 (&GST_VAAPI_PLUGIN_BASE_PARENT(plugin)->sink)
68 #define GST_VAAPI_PLUGIN_BASE_SINK_CLASS(plugin) \
69 (&GST_VAAPI_PLUGIN_BASE_PARENT_CLASS(plugin)->sink)
71 #define GST_VAAPI_PLUGIN_BASE_INIT_INTERFACES \
72 gst_vaapi_plugin_base_init_interfaces(g_define_type_id);
74 #define GST_VAAPI_PLUGIN_BASE_SINK_PAD(plugin) \
75 (GST_VAAPI_PLUGIN_BASE(plugin)->sinkpad)
76 #define GST_VAAPI_PLUGIN_BASE_SINK_PAD_CAPS(plugin) \
77 (GST_VAAPI_PLUGIN_BASE(plugin)->sinkpad_caps)
78 #define GST_VAAPI_PLUGIN_BASE_SINK_PAD_INFO(plugin) \
79 (&GST_VAAPI_PLUGIN_BASE(plugin)->sinkpad_info)
80 #define GST_VAAPI_PLUGIN_BASE_SRC_PAD(plugin) \
81 (GST_VAAPI_PLUGIN_BASE(plugin)->srcpad)
82 #define GST_VAAPI_PLUGIN_BASE_SRC_PAD_CAPS(plugin) \
83 (GST_VAAPI_PLUGIN_BASE(plugin)->srcpad_caps)
84 #define GST_VAAPI_PLUGIN_BASE_SRC_PAD_INFO(plugin) \
85 (&GST_VAAPI_PLUGIN_BASE(plugin)->srcpad_info)
86 #define GST_VAAPI_PLUGIN_BASE_SRC_PAD_CAN_DMABUF(plugin) \
87 (GST_VAAPI_PLUGIN_BASE(plugin)->srcpad_can_dmabuf)
88 #define GST_VAAPI_PLUGIN_BASE_COPY_OUTPUT_FRAME(plugin) \
89 (GST_VAAPI_PLUGIN_BASE(plugin)->copy_output_frame)
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;
149 gboolean srcpad_can_dmabuf;
151 gboolean enable_direct_rendering;
153 GstAllocator *other_srcpad_allocator;
154 GstAllocationParams other_allocator_params;
155 gboolean copy_output_frame;
158 struct _GstVaapiPluginBaseClass
163 GstElementClass element;
164 GstVideoDecoderClass decoder;
165 GstVideoEncoderClass encoder;
166 GstBaseTransformClass transform;
167 GstVideoSinkClass sink;
170 gboolean (*has_interface) (GstVaapiPluginBase * plugin, GType type);
171 void (*display_changed) (GstVaapiPluginBase * plugin);
176 gst_vaapi_plugin_base_init_interfaces (GType type);
180 gst_vaapi_plugin_base_class_init (GstVaapiPluginBaseClass * klass);
184 gst_vaapi_plugin_base_init (GstVaapiPluginBase * plugin,
185 GstDebugCategory * debug_category);
189 gst_vaapi_plugin_base_finalize (GstVaapiPluginBase * plugin);
193 gst_vaapi_plugin_base_open (GstVaapiPluginBase * plugin);
197 gst_vaapi_plugin_base_close (GstVaapiPluginBase * plugin);
201 gst_vaapi_plugin_base_has_display_type (GstVaapiPluginBase * plugin,
202 GstVaapiDisplayType display_type_req);
206 gst_vaapi_plugin_base_set_display_type (GstVaapiPluginBase * plugin,
207 GstVaapiDisplayType display_type);
211 gst_vaapi_plugin_base_set_display_name (GstVaapiPluginBase * plugin,
212 const gchar * display_name);
216 gst_vaapi_plugin_base_ensure_display (GstVaapiPluginBase * plugin);
220 gst_vaapi_plugin_base_set_caps (GstVaapiPluginBase * plugin, GstCaps * incaps,
225 gst_vaapi_plugin_base_propose_allocation (GstVaapiPluginBase * plugin,
230 gst_vaapi_plugin_base_decide_allocation (GstVaapiPluginBase * plugin,
235 gst_vaapi_plugin_base_get_input_buffer (GstVaapiPluginBase * plugin,
236 GstBuffer * inbuf, GstBuffer ** outbuf_ptr);
240 gst_vaapi_plugin_base_set_context (GstVaapiPluginBase * plugin,
241 GstContext * context);
245 gst_vaapi_plugin_base_set_gl_context (GstVaapiPluginBase * plugin,
250 gst_vaapi_plugin_base_create_gl_context (GstVaapiPluginBase * plugin);
254 gst_vaapi_plugin_base_get_allowed_sinkpad_raw_caps (GstVaapiPluginBase * plugin);
258 gst_vaapi_plugin_base_get_allowed_srcpad_raw_caps (
259 GstVaapiPluginBase * plugin, GstVideoFormat format);
263 gst_vaapi_plugin_base_set_srcpad_can_dmabuf (GstVaapiPluginBase * plugin,
268 gst_vaapi_plugin_copy_va_buffer (GstVaapiPluginBase * plugin,
269 GstBuffer * inbuf, GstBuffer * outbuf);
274 #endif /* GST_VAAPI_PLUGIN_BASE_H */