gst-libs/gst/gl/gstglmemorydma.h

/*
 * # Copyright 2020 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef _GST_GL_MEMORY_DMA_H_
#define _GST_GL_MEMORY_DMA_H_

#include <gst/gst.h>
#include <gst/gstallocator.h>
#include <gst/gl/gl.h>
#include <gst/gl/egl/gsteglimage.h>
#include <gst/gl/egl/gstegl.h>
#include <gst/gl/egl/gstgldisplay_egl.h>

G_BEGIN_DECLS

#define GST_TYPE_GL_MEMORY_DMA_ALLOCATOR (gst_gl_memory_dma_allocator_get_type())

#define GST_IS_GL_MEMORY_DMA_ALLOCATOR(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_GL_MEMORY_DMA_ALLOCATOR))
#define GST_IS_GL_MEMORY_DMA_ALLOCATOR_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_GL_MEMORY_DMA_ALLOCATOR))
#define GST_GL_MEMORY_DMA_ALLOCATOR_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_GL_MEMORY_DMA_ALLOCATOR, GstGLMemoryDmaAllocatorClass))
#define GST_GL_MEMORY_DMA_ALLOCATOR(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_GL_MEMORY_DMA_ALLOCATOR, GstGLMemoryDmaAllocator))
#define GST_GL_MEMORY_DMA_ALLOCATOR_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_GL_MEMORY_DMA_ALLOCATOR, GstGLAllocatorClass))
#define GST_GL_MEMORY_DMA_ALLOCATOR_CAST(obj)       ((GstGLMemoryDmaAllocator *)(obj))
#define GST_GL_MEMORY_DMA_CAST(obj)                 ((GstGLMemoryDMA *)(obj))

#define GST_GL_MEMORY_DMA_ALLOCATOR_NAME "glmemorydma"

typedef struct _GstGLMemoryDMA GstGLMemoryDMA;
typedef struct _GstGLMemoryDmaAllocator GstGLMemoryDmaAllocator;
typedef struct _GstGLMemoryDmaAllocatorClass GstGLMemoryDmaAllocatorClass;

struct _GstGLMemoryDMA
{
  GstGLMemory mem;

  GstEGLImage *image;
  GstMemory *dma;
  GstAllocationParams *params;
};

struct _GstGLMemoryDmaAllocator
{
  GstGLMemoryAllocator alloc;

  GstPlugin *plugin;
  GstAllocator *ion_allocator;
};

struct _GstGLMemoryDmaAllocatorClass
{
  GstGLMemoryAllocatorClass parent_class;
};

GST_GL_API
GType gst_gl_memory_dma_allocator_get_type(void);

GST_GL_API
gboolean gst_is_gl_memory_dma (GstMemory * mem);

GST_GL_API
GstBuffer * gst_gl_memory_dma_sync_buffer (GstBuffer * glbuf);

GST_GL_API
void gst_gl_memory_dma_init_once (void);

G_END_DECLS

#endif /* _GST_GL_MEMORY_DMA_H_ */