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2542b2d34d
Implements 2 memory allocators: 1\ GstMsdkSystemAllocator: This will allocate system memory. 2\ GstMsdkVideoAllocator: This will allocate device memory depending on the platform. (eg. VASurface) Currently GstMsdkBufferPool uses video allocator currently by default only on linux. On Windows, we should use system memory until d3d allocator is implemented. https://bugzilla.gnome.org/show_bug.cgi?id=790752
130 lines
4.2 KiB
C
130 lines
4.2 KiB
C
/* GStreamer Intel MSDK plugin
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* Copyright (c) 2018, Intel Corporation
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* Copyright (c) 2018, Igalia S.L.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGDECE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef GST_MSDK_VIDEO_MEMORY_H
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#define GST_MSDK_VIDEO_MEMORY_H
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#include "msdk.h"
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#include "gstmsdkcontext.h"
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#include "gstmsdkallocator.h"
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G_BEGIN_DECLS
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typedef struct _GstMsdkVideoMemory GstMsdkVideoMemory;
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typedef struct _GstMsdkVideoAllocator GstMsdkVideoAllocator;
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typedef struct _GstMsdkVideoAllocatorClass GstMsdkVideoAllocatorClass;
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/* ---------------------------------------------------------------------*/
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/* GstMsdkVideoMemory */
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/* ---------------------------------------------------------------------*/
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#define GST_MSDK_VIDEO_MEMORY_CAST(mem) \
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((GstMsdkVideoMemory *) (mem))
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#define GST_IS_MSDK_VIDEO_MEMORY(mem) \
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((mem) && (mem)->allocator && GST_IS_MSDK_VIDEO_ALLOCATOR((mem)->allocator))
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#define GST_MSDK_VIDEO_MEMORY_NAME "GstMsdkVideoMemory"
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/*
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* GstMsdkVideoMemory:
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*
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* A MSDK memory object holder, including mfxFrameSurface,
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* video info of the surface.
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*/
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struct _GstMsdkVideoMemory
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{
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GstMemory parent_instance;
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mfxFrameSurface1 *surface;
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guint mapped;
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};
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GstMemory *
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gst_msdk_video_memory_new (GstAllocator * allocator);
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gboolean
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gst_video_meta_map_msdk_memory (GstVideoMeta * meta, guint plane,
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GstMapInfo * info, gpointer * data, gint * stride, GstMapFlags flags);
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gboolean
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gst_video_meta_unmap_msdk_memory (GstVideoMeta * meta, guint plane,
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GstMapInfo * info);
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/* ---------------------------------------------------------------------*/
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/* GstMsdkVideoAllocator */
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/* ---------------------------------------------------------------------*/
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#define GST_MSDK_VIDEO_ALLOCATOR_CAST(allocator) \
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((GstMsdkVideoAllocator *) (allocator))
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#define GST_TYPE_MSDK_VIDEO_ALLOCATOR \
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(gst_msdk_video_allocator_get_type ())
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#define GST_MSDK_VIDEO_ALLOCATOR(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_MSDK_VIDEO_ALLOCATOR, \
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GstMsdkVideoAllocator))
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#define GST_IS_MSDK_VIDEO_ALLOCATOR(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_MSDK_VIDEO_ALLOCATOR))
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/*
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* GstMsdkVideoAllocator:
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*
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* A MSDK video memory allocator object.
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*/
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struct _GstMsdkVideoAllocator
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{
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GstAllocator parent_instance;
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GstMsdkContext *context;
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GstVideoInfo image_info;
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mfxFrameAllocResponse *alloc_response;
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};
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/*
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* GstMsdkVideoAllocatorClass:
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*
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* A MSDK video memory allocator class.
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*/
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struct _GstMsdkVideoAllocatorClass
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{
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GstAllocatorClass parent_class;
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};
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GType gst_msdk_video_allocator_get_type (void);
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GstAllocator * gst_msdk_video_allocator_new (GstMsdkContext * context,
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GstVideoInfo *image_info, mfxFrameAllocResponse * alloc_resp);
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G_END_DECLS
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#endif /* GST_MSDK_VIDEO_MEMORY_H */
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