gstreamer/subprojects/gst-omx/omx/gstomxallocator.h

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/*
* Copyright (C) 2019, Collabora Ltd.
* Author: George Kiagiadakis <george.kiagiadakis@collabora.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation
* version 2.1 of the License.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifndef __GST_OMX_ALLOCATOR_H__
#define __GST_OMX_ALLOCATOR_H__
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gst/gst.h>
#include "gstomx.h"
G_BEGIN_DECLS
#define GST_OMX_MEMORY_QUARK gst_omx_memory_quark ()
#define GST_TYPE_OMX_ALLOCATOR (gst_omx_allocator_get_type())
#define GST_IS_OMX_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_OMX_ALLOCATOR))
#define GST_OMX_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_OMX_ALLOCATOR, GstOMXAllocator))
typedef struct _GstOMXMemory GstOMXMemory;
typedef struct _GstOMXAllocator GstOMXAllocator;
typedef struct _GstOMXAllocatorClass GstOMXAllocatorClass;
typedef enum {
GST_OMX_ALLOCATOR_FOREIGN_MEM_NONE,
GST_OMX_ALLOCATOR_FOREIGN_MEM_DMABUF,
GST_OMX_ALLOCATOR_FOREIGN_MEM_OTHER_POOL,
} GstOMXAllocatorForeignMemMode;
struct _GstOMXMemory
{
GstMemory mem;
GstOMXBuffer *buf;
/* TRUE if the memory is in use outside the allocator */
gboolean acquired;
/* memory allocated from the foreign_allocator
* or planted externally when using a foreign buffer pool */
GstMemory *foreign_mem;
/* the original dispose function of foreign_mem */
GstMiniObjectDisposeFunction foreign_dispose;
};
struct _GstOMXAllocator
{
GstAllocator parent;
GstOMXComponent *component;
GstOMXPort *port;
GstOMXAllocatorForeignMemMode foreign_mode;
GstAllocator *foreign_allocator;
/* array of GstOMXMemory */
GPtrArray *memories;
guint n_memories;
guint n_outstanding;
gboolean active;
GMutex lock;
GCond cond;
};
struct _GstOMXAllocatorClass
{
GstAllocatorClass parent_class;
};
GType gst_omx_allocator_get_type (void);
GQuark gst_omx_memory_quark (void);
GstOMXBuffer * gst_omx_memory_get_omx_buf (GstMemory * mem);
GstOMXAllocator * gst_omx_allocator_new (GstOMXComponent * component,
GstOMXPort * port);
gboolean gst_omx_allocator_configure (GstOMXAllocator * allocator, guint count,
GstOMXAllocatorForeignMemMode mode);
gboolean gst_omx_allocator_set_active (GstOMXAllocator * allocator,
gboolean active);
void gst_omx_allocator_wait_inactive (GstOMXAllocator * allocator);
GstFlowReturn gst_omx_allocator_acquire (GstOMXAllocator * allocator,
GstMemory ** memory, gint index, GstOMXBuffer * omx_buf);
GstMemory * gst_omx_allocator_allocate (GstOMXAllocator * allocator, gint index,
GstMemory * foreign_mem);
G_END_DECLS
#endif