1 /* GStreamer Intel MSDK plugin
2 * Copyright (c) 2018, Intel Corporation
3 * Copyright (c) 2018, Igalia S.L.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
9 * 1. Redistributions of source code must retain the above copyright notice,
10 * this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright notice,
13 * this list of conditions and the following disclaimer in the documentation
14 * and/or other materials provided with the distribution.
16 * 3. Neither the name of the copyright holder nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
24 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
26 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
27 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
28 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGDECE
29 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
30 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 #ifndef GST_MSDK_SYSTEM_MEMORY_H
34 #define GST_MSDK_SYSTEM_MEMORY_H
40 typedef struct _GstMsdkSystemMemory GstMsdkSystemMemory;
41 typedef struct _GstMsdkSystemAllocator GstMsdkSystemAllocator;
42 typedef struct _GstMsdkSystemAllocatorClass GstMsdkSystemAllocatorClass;
44 /* ---------------------------------------------------------------------*/
45 /* GstMsdkSystemMemory */
46 /* ---------------------------------------------------------------------*/
48 #define GST_MSDK_SYSTEM_MEMORY_CAST(mem) \
49 ((GstMsdkSystemMemory *) (mem))
51 #define GST_IS_MSDK_SYSTEM_MEMORY(mem) \
52 ((mem) && (mem)->allocator && GST_IS_MSDK_SYSTEM_ALLOCATOR((mem)->allocator))
54 #define GST_MSDK_SYSTEM_MEMORY_NAME "GstMsdkSystemMemory"
57 * GstMsdkSystemMemory:
59 * A MSDK memory object holder, including mfxFrameSurface,
60 * video info of the surface.
62 struct _GstMsdkSystemMemory
64 GstMemory parent_instance;
66 mfxFrameSurface1 *surface;
69 mfxU8 *cached_data[4];
70 guint destination_pitches[4];
74 gst_msdk_system_memory_new (GstAllocator * base_allocator);
76 /* ---------------------------------------------------------------------*/
77 /* GstMsdkSystemAllocator */
78 /* ---------------------------------------------------------------------*/
80 #define GST_MSDK_SYSTEM_ALLOCATOR_CAST(allocator) \
81 ((GstMsdkSystemAllocator *) (allocator))
83 #define GST_TYPE_MSDK_SYSTEM_ALLOCATOR \
84 (gst_msdk_system_allocator_get_type ())
85 #define GST_MSDK_SYSTEM_ALLOCATOR(obj) \
86 (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_MSDK_SYSTEM_ALLOCATOR, \
87 GstMsdkSystemAllocator))
88 #define GST_IS_MSDK_SYSTEM_ALLOCATOR(obj) \
89 (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_MSDK_SYSTEM_ALLOCATOR))
92 * GstMsdkSystemAllocator:
94 * A MSDK memory allocator object.
96 struct _GstMsdkSystemAllocator
98 GstAllocator parent_instance;
100 GstVideoInfo image_info;
104 * GstMsdkSystemAllocatorClass:
106 * A MSDK memory allocator class.
108 struct _GstMsdkSystemAllocatorClass
110 GstAllocatorClass parent_class;
113 GType gst_msdk_system_allocator_get_type (void);
115 GstAllocator * gst_msdk_system_allocator_new (GstVideoInfo *image_info);
119 #endif /* GST_MSDK_SYSTEM_MEMORY_H */