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37f2d2ac42
This ports the KMS allocator to use the DRM Dumb allocator from the allocators library. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3801>
104 lines
3.2 KiB
C
104 lines
3.2 KiB
C
/* GStreamer
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*
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* Copyright (C) 2016 Igalia
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*
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* Authors:
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* Víctor Manuel Jáquez Leal <vjaquez@igalia.com>
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* Javier Martin <javiermartin@by.com.es>
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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., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef __GST_KMS_ALLOCATOR_H__
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#define __GST_KMS_ALLOCATOR_H__
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#include <gst/gst.h>
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#include <gst/video/video.h>
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G_BEGIN_DECLS
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#define GST_TYPE_KMS_ALLOCATOR \
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(gst_kms_allocator_get_type())
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#define GST_IS_KMS_ALLOCATOR(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_KMS_ALLOCATOR))
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#define GST_IS_KMS_ALLOCATOR_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_KMS_ALLOCATOR))
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#define GST_KMS_ALLOCATOR_GET_CLASS(obj) \
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(G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_KMS_ALLOCATOR, GstKMSAllocatorClass))
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#define GST_KMS_ALLOCATOR(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_KMS_ALLOCATOR, GstKMSAllocator))
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#define GST_KMS_ALLOCATOR_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_KMS_ALLOCATOR, GstKMSAllocatorClass))
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typedef struct _GstKMSAllocator GstKMSAllocator;
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typedef struct _GstKMSAllocatorClass GstKMSAllocatorClass;
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typedef struct _GstKMSAllocatorPrivate GstKMSAllocatorPrivate;
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typedef struct _GstKMSMemory GstKMSMemory;
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struct kms_bo;
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struct _GstKMSMemory
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{
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GstMemory parent;
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guint32 fb_id;
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GstMemory *bo;
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GstMapInfo bo_map;
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gint bo_map_refs;
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};
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struct _GstKMSAllocator
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{
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GstAllocator parent;
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GstKMSAllocatorPrivate *priv;
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};
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struct _GstKMSAllocatorClass {
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GstAllocatorClass parent_class;
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};
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GType gst_kms_allocator_get_type (void) G_GNUC_CONST;
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gboolean gst_is_kms_memory (GstMemory *mem);
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guint32 gst_kms_memory_get_fb_id (GstMemory *mem);
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GstAllocator* gst_kms_allocator_new (gint fd);
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GstMemory* gst_kms_allocator_bo_alloc (GstAllocator *allocator,
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GstVideoInfo *vinfo);
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GstKMSMemory* gst_kms_allocator_dmabuf_import (GstAllocator *allocator,
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gint *prime_fds,
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gint n_planes,
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gsize offsets[GST_VIDEO_MAX_PLANES],
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GstVideoInfo *vinfo);
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GstMemory* gst_kms_allocator_dmabuf_export (GstAllocator *allocator,
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GstMemory *kmsmem);
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GstMemory * gst_kms_allocator_get_cached (GstMemory * mem);
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void gst_kms_allocator_clear_cache (GstAllocator * allocator);
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void gst_kms_allocator_cache (GstAllocator * allocator,
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GstMemory * mem,
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GstMemory * kmsmem);
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G_END_DECLS
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#endif /* __GST_KMS_ALLOCATOR_H__ */
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