86 lines
2.8 KiB
C
86 lines
2.8 KiB
C
/*
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* Copyright (C) 2014-2019 Amlogic, Inc. All rights reserved.
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*
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* All information contained herein is Amlogic confidential.
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*
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* This software is provided to you pursuant to Software License Agreement
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* (SLA) with Amlogic Inc ("Amlogic"). This software may be used
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* only in accordance with the terms of this agreement.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification is strictly prohibited without prior written permission from
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* Amlogic.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __GST_AML_DMA_ALLOCATOR_H__
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#define __GST_AML_DMA_ALLOCATOR_H__
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#include <gst/gst.h>
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#include <gst/gstallocator.h>
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G_BEGIN_DECLS
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typedef struct _GstAmlDMAAllocator GstAmlDMAAllocator;
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typedef struct _GstAmlDMAAllocatorClass GstAmlDMAAllocatorClass;
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typedef struct _GstAmlDMAMemory GstAmlDMAMemory;
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#define GST_ALLOCATOR_AMLDMA "amldma"
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#define GST_TYPE_AMLDMA_ALLOCATOR gst_amldma_allocator_get_type ()
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#define GST_IS_AMLDMA_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), \
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GST_TYPE_AMLDMA_ALLOCATOR))
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#define GST_AMLDMA_ALLOCATOR(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_AMLDMA_ALLOCATOR, GstAmlDMAAllocator))
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#define GST_AMLDMA_ALLOCATOR_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_AMLDMA_ALLOCATOR, GstAmlDMAAllocatorClass))
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#define GST_AMLDMA_ALLOCATOR_CAST(obj) ((GstAmlDMAAllocator *)(obj))
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#define GST_AMLDMA_MEMORY_QUARK gst_amldma_memory_quark ()
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struct _GstAmlDMAAllocator
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{
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GstAllocator parent;
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gint heap_fd; // device fd
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GstAllocator *dma_allocator;
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};
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struct _GstAmlDMAAllocatorClass
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{
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GstAllocatorClass parent;
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};
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struct _GstAmlDMAMemory {
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GstMemory mem;
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gint dmabuf_fd; // DMA buffer fd
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gsize size;
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};
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GType gst_amldma_allocator_get_type (void);
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GstAllocator* gst_amldma_allocator_obtain (char *name);
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// The following API no useful now, use standard API
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// gboolean gst_is_amldmabuf_getfd (GstMemory * mem);
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// gint gst_amldmabuf_memory_get_fd (GstMemory * mem);
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// unsigned char *gst_amldmabuf_mmap (GstMemory * mem);
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// void gst_amldmabuf_munmap (unsigned char *p, GstMemory * mem);
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G_END_DECLS
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#endif /* __GST_AML_DMA_ALLOCATOR_H__ */
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