1 /*
2  * GStreamer
3  * Copyright (C) 2016 Matthew Waters <matthew@centricular.com>
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Library General Public
7  * License as published by the Free Software Foundation; either
8  * version 2 of the License, or (at your option) any later version.
9  *
10  * This library 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 GNU
13  * Library General Public License for more details.
14  *
15  * You should have received a copy of the GNU Library General Public
16  * License along with this library; if not, write to the
17  * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
18  * Boston, MA 02110-1301, USA.
19  */
20 
21 #ifndef _VK_UPLOAD_H_
22 #define _VK_UPLOAD_H_
23 
24 #include <gst/gst.h>
25 #include <gst/video/video.h>
26 #include <vk.h>
27 
28 G_BEGIN_DECLS
29 
30 #define GST_TYPE_VULKAN_UPLOAD            (gst_vulkan_upload_get_type())
31 #define GST_VULKAN_UPLOAD(obj)            (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_VULKAN_UPLOAD,GstVulkanUpload))
32 #define GST_VULKAN_UPLOAD_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_VULKAN_UPLOAD,GstVulkanUploadClass))
33 #define GST_IS_VULKAN_UPLOAD(obj)         (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_VULKAN_UPLOAD))
34 #define GST_IS_VULKAN_UPLOAD_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_VULKAN_UPLOAD))
35 
36 typedef struct _GstVulkanUpload GstVulkanUpload;
37 typedef struct _GstVulkanUploadClass GstVulkanUploadClass;
38 
39 struct UploadMethod
40 {
41   const gchar       *name;
42 
43   GstStaticCaps     *in_template;
44   GstStaticCaps     *out_template;
45 
46   gpointer          (*new_impl)                 (GstVulkanUpload * upload);
47   GstCaps *         (*transform_caps)           (gpointer impl,
48                                                  GstPadDirection direction,
49                                                  GstCaps * caps);
50   gboolean          (*set_caps)                 (gpointer impl,
51                                                  GstCaps * in_caps,
52                                                  GstCaps * out_caps);
53   void              (*propose_allocation)       (gpointer impl,
54                                                  GstQuery * decide_query,
55                                                  GstQuery * query);
56   GstFlowReturn     (*perform)                  (gpointer impl,
57                                                  GstBuffer * buffer,
58                                                  GstBuffer ** outbuf);
59   void              (*free)                     (gpointer impl);
60 };
61 
62 struct _GstVulkanUpload
63 {
64   GstBaseTransform      parent;
65 
66   GstVulkanInstance     *instance;
67   GstVulkanDevice       *device;
68 
69   GstVulkanDisplay      *display;
70 
71   GstCaps               *in_caps;
72   GstCaps               *out_caps;
73 
74   /* all impl pointers */
75   gpointer              *upload_impls;
76   guint                 current_impl;
77 };
78 
79 struct _GstVulkanUploadClass
80 {
81   GstBaseTransformClass video_sink_class;
82 };
83 
84 GType gst_vulkan_upload_get_type(void);
85 
86 G_END_DECLS
87 
88 #endif
89