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3a762284a2
Use an image pool to hold VA images to be used for downloads/uploads of contents for the associated surface. This is an optmization for size. So, instead of creating as many VA images as there are buffers (then VA surfaces) allocated, we only maintain a minimal set of live VA images, thus preserving memory resources.
164 lines
5 KiB
C
164 lines
5 KiB
C
/*
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* gstvaapivideomemory.h - Gstreamer/VA video memory
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*
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* Copyright (C) 2013 Intel Corporation
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* Author: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1
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* of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA
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*/
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#ifndef GST_VAAPI_VIDEO_MEMORY_H
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#define GST_VAAPI_VIDEO_MEMORY_H
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#include <gst/gstallocator.h>
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#include <gst/video/video-info.h>
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#include <gst/vaapi/gstvaapidisplay.h>
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#include <gst/vaapi/gstvaapivideopool.h>
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#include "gstvaapivideometa.h"
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G_BEGIN_DECLS
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typedef struct _GstVaapiVideoMemory GstVaapiVideoMemory;
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typedef struct _GstVaapiVideoAllocator GstVaapiVideoAllocator;
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typedef struct _GstVaapiVideoAllocatorClass GstVaapiVideoAllocatorClass;
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/* ------------------------------------------------------------------------ */
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/* --- GstVaapiVideoMemory --- */
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/* ------------------------------------------------------------------------ */
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#define GST_VAAPI_VIDEO_MEMORY_CAST(mem) \
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((GstVaapiVideoMemory *)(mem))
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#define GST_VAAPI_VIDEO_MEMORY_NAME "GstVaapiVideoMemory"
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#if GST_CHECK_VERSION(1,1,0)
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#define GST_CAPS_FEATURE_MEMORY_VAAPI_SURFACE "memory:VASurface"
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#endif
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/**
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* GstVaapiVideoMemoryMapType:
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* @GST_VAAPI_VIDEO_MEMORY_MAP_TYPE_SURFACE: map with gst_buffer_map()
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* and flags = 0x00 to return a #GstVaapiSurfaceProxy
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* @GST_VAAPI_VIDEO_MEMORY_MAP_TYPE_PLANAR: map individual plane with
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* gst_video_frame_map()
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* @GST_VAAPI_VIDEO_MEMORY_MAP_TYPE_LINEAR: map with gst_buffer_map()
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* and flags = GST_MAP_READ to return the raw pixels of the whole image
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*
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* The set of all #GstVaapiVideoMemory map types.
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*/
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typedef enum {
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GST_VAAPI_VIDEO_MEMORY_MAP_TYPE_SURFACE = 1,
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GST_VAAPI_VIDEO_MEMORY_MAP_TYPE_PLANAR,
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GST_VAAPI_VIDEO_MEMORY_MAP_TYPE_LINEAR
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} GstVaapiVideoMemoryMapType;
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/**
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* GstVaapiVideoMemory:
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*
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* A VA video memory object holder, including VA surfaces, images and
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* proxies.
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*/
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struct _GstVaapiVideoMemory {
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GstMemory parent_instance;
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/*< private >*/
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GstVaapiSurfaceProxy *proxy;
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const GstVideoInfo *surface_info;
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GstVaapiSurface *surface;
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const GstVideoInfo *image_info;
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GstVaapiImage *image;
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GstVaapiVideoMeta *meta;
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guint map_type;
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gint map_count;
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gboolean use_direct_rendering;
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};
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G_GNUC_INTERNAL
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GstMemory *
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gst_vaapi_video_memory_new(GstAllocator *allocator, GstVaapiVideoMeta *meta);
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G_GNUC_INTERNAL
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gboolean
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gst_video_meta_map_vaapi_memory(GstVideoMeta *meta, guint plane,
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GstMapInfo *info, gpointer *data, gint *stride, GstMapFlags flags);
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G_GNUC_INTERNAL
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gboolean
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gst_video_meta_unmap_vaapi_memory(GstVideoMeta *meta, guint plane,
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GstMapInfo *info);
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G_GNUC_INTERNAL
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void
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gst_vaapi_video_memory_reset_surface(GstVaapiVideoMemory *mem);
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/* ------------------------------------------------------------------------ */
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/* --- GstVaapiVideoAllocator --- */
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/* ------------------------------------------------------------------------ */
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#define GST_VAAPI_VIDEO_ALLOCATOR_CAST(allocator) \
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((GstVaapiVideoAllocator *)(allocator))
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#define GST_VAAPI_TYPE_VIDEO_ALLOCATOR \
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(gst_vaapi_video_allocator_get_type())
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#define GST_VAAPI_VIDEO_ALLOCATOR(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj), \
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GST_VAAPI_TYPE_VIDEO_ALLOCATOR, \
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GstVaapiVideoAllocator))
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#define GST_VAAPI_IS_VIDEO_ALLOCATOR(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_VAAPI_TYPE_VIDEO_ALLOCATOR))
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#define GST_VAAPI_VIDEO_ALLOCATOR_NAME "GstVaapiVideoAllocator"
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/**
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* GstVaapiVideoAllocator:
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*
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* A VA video memory allocator object.
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*/
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struct _GstVaapiVideoAllocator {
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GstAllocator parent_instance;
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/*< private >*/
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GstVideoInfo video_info;
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GstVideoInfo surface_info;
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GstVaapiVideoPool *surface_pool;
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GstVideoInfo image_info;
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GstVaapiVideoPool *image_pool;
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gboolean has_direct_rendering;
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};
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/**
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* GstVaapiVideoAllocatorClass:
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*
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* A VA video memory allocator class.
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*/
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struct _GstVaapiVideoAllocatorClass {
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GstAllocatorClass parent_class;
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};
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G_GNUC_INTERNAL
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GType
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gst_vaapi_video_allocator_get_type(void) G_GNUC_CONST;
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G_GNUC_INTERNAL
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GstAllocator *
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gst_vaapi_video_allocator_new(GstVaapiDisplay *display,
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const GstVideoInfo *vip);
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G_END_DECLS
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#endif /* GST_VAAPI_VIDEO_MEMORY_H */
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