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114 lines
3.1 KiB
C
114 lines
3.1 KiB
C
/*
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* Copyright (C) 2019, Collabora Ltd.
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* Author: George Kiagiadakis <george.kiagiadakis@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 Lesser General Public
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* License as published by the Free Software Foundation
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* version 2.1 of the License.
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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 Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifndef __GST_OMX_ALLOCATOR_H__
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#define __GST_OMX_ALLOCATOR_H__
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <gst/gst.h>
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#include "gstomx.h"
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G_BEGIN_DECLS
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#define GST_OMX_MEMORY_QUARK gst_omx_memory_quark ()
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#define GST_TYPE_OMX_ALLOCATOR (gst_omx_allocator_get_type())
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#define GST_IS_OMX_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_OMX_ALLOCATOR))
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#define GST_OMX_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_OMX_ALLOCATOR, GstOMXAllocator))
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typedef struct _GstOMXMemory GstOMXMemory;
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typedef struct _GstOMXAllocator GstOMXAllocator;
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typedef struct _GstOMXAllocatorClass GstOMXAllocatorClass;
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typedef enum {
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GST_OMX_ALLOCATOR_FOREIGN_MEM_NONE,
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GST_OMX_ALLOCATOR_FOREIGN_MEM_DMABUF,
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GST_OMX_ALLOCATOR_FOREIGN_MEM_OTHER_POOL,
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} GstOMXAllocatorForeignMemMode;
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struct _GstOMXMemory
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{
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GstMemory mem;
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GstOMXBuffer *buf;
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/* TRUE if the memory is in use outside the allocator */
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gboolean acquired;
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/* memory allocated from the foreign_allocator
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* or planted externally when using a foreign buffer pool */
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GstMemory *foreign_mem;
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/* the original dispose function of foreign_mem */
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GstMiniObjectDisposeFunction foreign_dispose;
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};
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struct _GstOMXAllocator
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{
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GstAllocator parent;
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GstOMXComponent *component;
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GstOMXPort *port;
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GstOMXAllocatorForeignMemMode foreign_mode;
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GstAllocator *foreign_allocator;
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/* array of GstOMXMemory */
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GPtrArray *memories;
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guint n_memories;
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guint n_outstanding;
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gboolean active;
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GMutex lock;
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GCond cond;
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};
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struct _GstOMXAllocatorClass
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{
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GstAllocatorClass parent_class;
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};
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GType gst_omx_allocator_get_type (void);
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GQuark gst_omx_memory_quark (void);
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GstOMXBuffer * gst_omx_memory_get_omx_buf (GstMemory * mem);
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GstOMXAllocator * gst_omx_allocator_new (GstOMXComponent * component,
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GstOMXPort * port);
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gboolean gst_omx_allocator_configure (GstOMXAllocator * allocator, guint count,
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GstOMXAllocatorForeignMemMode mode);
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gboolean gst_omx_allocator_set_active (GstOMXAllocator * allocator,
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gboolean active);
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void gst_omx_allocator_wait_inactive (GstOMXAllocator * allocator);
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GstFlowReturn gst_omx_allocator_acquire (GstOMXAllocator * allocator,
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GstMemory ** memory, gint index, GstOMXBuffer * omx_buf);
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GstMemory * gst_omx_allocator_allocate (GstOMXAllocator * allocator, gint index,
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GstMemory * foreign_mem);
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G_END_DECLS
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#endif
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