gstreamer/sys/kms/gstkmsallocator.h
Víctor Manuel Jáquez Leal c419d17dbf kmssink: add dmabuf support
This patch will enable the import of dmabufs into a KMS buffer using
the PRIME kernel interface.

If the driver does not support prime import, the method is skipped.

It has been tested with a Freescale I.MX6 board.

https://bugzilla.gnome.org/show_bug.cgi?id=761059
2016-04-11 19:57:48 +02:00

90 lines
2.7 KiB
C

/* GStreamer
*
* Copyright (C) 2016 Igalia
*
* Authors:
* Víctor Manuel Jáquez Leal <vjaquez@igalia.com>
* Javier Martin <javiermartin@by.com.es>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#ifndef __GST_KMS_ALLOCATOR_H__
#define __GST_KMS_ALLOCATOR_H__
#include <gst/gst.h>
#include <gst/video/video.h>
#include <libkms.h>
G_BEGIN_DECLS
#define GST_TYPE_KMS_ALLOCATOR \
(gst_kms_allocator_get_type())
#define GST_IS_KMS_ALLOCATOR(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_KMS_ALLOCATOR))
#define GST_IS_KMS_ALLOCATOR_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_KMS_ALLOCATOR))
#define GST_KMS_ALLOCATOR_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_KMS_ALLOCATOR, GstKMSAllocatorClass))
#define GST_KMS_ALLOCATOR(obj) \
(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_KMS_ALLOCATOR, GstKMSAllocator))
#define GST_KMS_ALLOCATOR_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_KMS_ALLOCATOR, GstKMSAllocatorClass))
typedef struct _GstKMSAllocator GstKMSAllocator;
typedef struct _GstKMSAllocatorClass GstKMSAllocatorClass;
typedef struct _GstKMSAllocatorPrivate GstKMSAllocatorPrivate;
typedef struct _GstKMSMemory GstKMSMemory;
struct _GstKMSMemory
{
GstMemory parent;
guint32 fb_id;
guint32 gem_handle[GST_VIDEO_MAX_PLANES];
struct kms_bo *bo;
};
struct _GstKMSAllocator
{
GstAllocator parent;
GstKMSAllocatorPrivate *priv;
};
struct _GstKMSAllocatorClass {
GstAllocatorClass parent_class;
};
GType gst_kms_allocator_get_type (void) G_GNUC_CONST;
gboolean gst_is_kms_memory (GstMemory *mem);
guint32 gst_kms_memory_get_fb_id (GstMemory *mem);
GstAllocator* gst_kms_allocator_new (gint fd);
GstMemory* gst_kms_allocator_bo_alloc (GstAllocator *allocator,
GstVideoInfo *vinfo);
GstKMSMemory* gst_kms_allocator_dmabuf_import (GstAllocator *allocator,
gint *prime_fds,
gint n_planes,
GstVideoInfo *vinfo);
G_END_DECLS
#endif /* __GST_KMS_ALLOCATOR_H__ */