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102 lines
3.3 KiB
C
102 lines
3.3 KiB
C
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/*
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* GStreamer
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* Copyright (C) 2012 Edward Hervey <edward@collabora.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 Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 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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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef _GST_VDP_VIDEO_MEMORY_H_
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#define _GST_VDP_VIDEO_MEMORY_H_
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#include <gst/gst.h>
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#include <gst/gstmemory.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/video/gstvideometa.h>
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#include "gstvdpdevice.h"
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G_BEGIN_DECLS
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#define GST_TYPE_VDP_VIDEO_ALLOCATOR (gst_vdp_video_allocator_get_type())
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GType gst_vdp_video_allocator_get_type(void);
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#define GST_IS_VDP_VIDEO_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_VDP_VIDEO_ALLOCATOR))
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#define GST_IS_VDP_VIDEO_ALLOCATOR_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_VDP_VIDEO_ALLOCATOR))
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#define GST_VDP_VIDEO_ALLOCATOR_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_VDP_VIDEO_ALLOCATOR, GstVdpVideoAllocatorClass))
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#define GST_VDP_VIDEO_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_VDP_VIDEO_ALLOCATOR, GstVdpVideoAllocator))
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#define GST_VDP_VIDEO_ALLOCATOR_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_VDP_VIDEO_ALLOCATOR, GstVdpVideoAllocatorClass))
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#define GST_VDP_VIDEO_ALLOCATOR_CAST(obj) ((GstVdpVideoAllocator *)(obj))
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typedef struct _GstVdpVideoMemory GstVdpVideoMemory;
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typedef struct _GstVdpVideoAllocator GstVdpVideoAllocator;
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typedef struct _GstVdpVideoAllocatorClass GstVdpVideoAllocatorClass;
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/**
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* GstVdpVideoMemory:
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* @mem: the parent object
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* @device: the #GstVdpDevice to use
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* @surface: the #VdpVideoSurface
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*
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* Represents information about a #VdpVideoSurface
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*/
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struct _GstVdpVideoMemory
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{
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GstMemory mem;
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GstVdpDevice *device;
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VdpVideoSurface surface;
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GstVideoInfo *info;
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VdpChromaType chroma_type;
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VdpYCbCrFormat ycbcr_format;
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/* Cached data for mapping */
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volatile gint refcount;
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GstMapFlags map_flags;
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guint n_planes;
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guint8 *cache;
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void * cached_data[4];
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uint32_t destination_pitches[4];
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};
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#define GST_VDP_VIDEO_MEMORY_ALLOCATOR "VdpVideoMemory"
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void gst_vdp_video_memory_init (void);
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GstMemory *
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gst_vdp_video_memory_alloc (GstVdpDevice * device, GstVideoInfo *info);
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gboolean gst_vdp_video_memory_map(GstVideoMeta * meta, guint plane,
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GstMapInfo * info, gpointer * data,
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gint * stride, GstMapFlags flags);
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gboolean gst_vdp_video_memory_unmap(GstVideoMeta * meta, guint plane,
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GstMapInfo * info);
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struct _GstVdpVideoAllocator
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{
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GstAllocator parent;
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};
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struct _GstVdpVideoAllocatorClass
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{
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GstAllocatorClass parent_class;
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};
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G_END_DECLS
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#endif /* _GST_VDP_VIDEO_MEMORY_H_ */
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