C++ (Cpp) gst_imx_ipu_allocator_new示例

示例#1

文件： blitter.c 项目： FrankBau/gstreamer-imx

GstImxIpuBlitter* gst_imx_ipu_blitter_new(void)
{
	GstAllocator *allocator;
	GstImxIpuBlitter *ipu_blitter;

	allocator = gst_imx_ipu_allocator_new();
	if (allocator == NULL)
		return NULL;

	ipu_blitter = (GstImxIpuBlitter *)g_object_new(gst_imx_ipu_blitter_get_type(), NULL);
	ipu_blitter->allocator = gst_object_ref_sink(allocator);

	if (!gst_imx_ipu_blitter_allocate_internal_fill_frame(ipu_blitter))
	{
		gst_object_unref(GST_OBJECT(ipu_blitter));
		return NULL;
	}

	return ipu_blitter;
}

示例#2

文件： blitter.c 项目： sijisunny/gstreamer-imx

GstBufferPool* gst_imx_ipu_blitter_create_bufferpool(GstImxIpuBlitter *ipu_blitter, GstCaps *caps, guint size, guint min_buffers, guint max_buffers, GstAllocator *allocator, GstAllocationParams *alloc_params)
{
	GstBufferPool *pool;
	GstStructure *config;
	
	pool = gst_imx_phys_mem_buffer_pool_new(FALSE);

	config = gst_buffer_pool_get_config(pool);
	gst_buffer_pool_config_set_params(config, caps, size, min_buffers, max_buffers);
	/* If the allocator value is NULL, create an allocator */
	if (allocator == NULL)
	{
		allocator = gst_imx_ipu_allocator_new(ipu_blitter->priv->ipu_fd);
		gst_buffer_pool_config_set_allocator(config, allocator, alloc_params);
	}
	gst_buffer_pool_config_add_option(config, GST_BUFFER_POOL_OPTION_IMX_PHYS_MEM);
	gst_buffer_pool_config_add_option(config, GST_BUFFER_POOL_OPTION_VIDEO_META);
	gst_buffer_pool_set_config(pool, config);

	return pool;
}

示例#3

文件： blitter.c 项目： merics/gstreamer-imx

void gst_imx_ipu_blitter_init(GstImxIpuBlitter *ipu_blitter)
{
	ipu_blitter->previous_frame = NULL;
	ipu_blitter->allocator = NULL;
	ipu_blitter->dummy_black_buffer = NULL;
	ipu_blitter->output_region_uptodate = FALSE;

	ipu_blitter->priv = g_slice_alloc(sizeof(GstImxIpuBlitterPrivate));
	memset(&(ipu_blitter->priv->task), 0, sizeof(struct ipu_task));

	if (!gst_imx_ipu_open())
	{
		GST_ELEMENT_ERROR(ipu_blitter, RESOURCE, OPEN_READ_WRITE, ("could not open IPU device"), (NULL));
		return;
	}

	ipu_blitter->allocator = gst_imx_ipu_allocator_new();

	gst_imx_ipu_blitter_init_dummy_black_buffer(ipu_blitter);

	GST_INFO_OBJECT(ipu_blitter, "initialized blitter");
}