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9cad85a936
Allow raw pixels of the whole frame to be mapped read-only. i.e. in cases where the buffer pool is allocated without VideoMeta API, thus individual planes cannot be mapped. This is initial support for Firefox >= 30. https://bugzilla.gnome.org/show_bug.cgi?id=731886
163 lines
5 KiB
C
163 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/gstvaapisurfacepool.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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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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