gstreamer/sys/nvcodec/gstcudabasetransform.h
Seungha Yang dd995bd9d4 nvcodec: Add CUDA upload/download elements with base class for CUDA filters
Similar to glupload/gldownload elements but for CUDA memory.
It will help transfer memory between system and nvidia GPU

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1633>
2020-10-16 15:56:49 +00:00

75 lines
2.8 KiB
C

/* GStreamer
* Copyright (C) <2019> Seungha Yang <seungha.yang@navercorp.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_CUDA_BASE_TRANSFORM_H__
#define __GST_CUDA_BASE_TRANSFORM_H__
#include <gst/gst.h>
#include <gst/base/gstbasetransform.h>
#include <gst/video/video.h>
#include "gstcudacontext.h"
#include "gstcudabufferpool.h"
G_BEGIN_DECLS
#define GST_TYPE_CUDA_BASE_TRANSFORM (gst_cuda_base_transform_get_type())
#define GST_CUDA_BASE_TRANSFORM(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_CUDA_BASE_TRANSFORM,GstCudaBaseTransform))
#define GST_CUDA_BASE_TRANSFORM_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_CUDA_BASE_TRANSFORM,GstCudaBaseTransformClass))
#define GST_CUDA_BASE_TRANSFORM_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), GST_TYPE_CUDA_BASE_TRANSFORM,GstCudaBaseTransformClass))
#define GST_IS_CUDA_BASE_TRANSFORM(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_CUDA_BASE_TRANSFORM))
#define GST_IS_CUDA_BASE_TRANSFORM_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_CUDA_BASE_TRANSFORM))
typedef struct _GstCudaBaseTransform GstCudaBaseTransform;
typedef struct _GstCudaBaseTransformClass GstCudaBaseTransformClass;
struct _GstCudaBaseTransform
{
GstBaseTransform parent;
gboolean negotiated;
GstVideoInfo in_info;
GstVideoInfo out_info;
GstCudaContext *context;
CUstream cuda_stream;
gint device_id;
};
struct _GstCudaBaseTransformClass
{
GstBaseTransformClass parent_class;
gboolean (*set_info) (GstCudaBaseTransform *filter,
GstCaps *incaps, GstVideoInfo *in_info,
GstCaps *outcaps, GstVideoInfo *out_info);
GstFlowReturn (*transform_frame) (GstCudaBaseTransform *filter,
GstVideoFrame *in_frame,
GstCudaMemory *in_cuda_mem,
GstVideoFrame *out_frame,
GstCudaMemory *out_cuda_mem);
};
GType gst_cuda_base_transform_get_type (void);
G_END_DECLS
#endif /* __GST_CUDA_BASE_TRANSFORM_H__ */