/**
 * FreeRDP: A Remote Desktop Protocol Implementation
 * Video Optimized Remoting Virtual Channel Extension
 *
 * Copyright 2017 David Fort <contact@hardening-consulting.com>
 *
 * 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
 *
 *     http://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 FREERDP_CHANNELS_CLIENT_VIDEO_H
#define FREERDP_CHANNELS_CLIENT_VIDEO_H

#include <freerdp/client/geometry.h>
#include <freerdp/channels/video.h>

#ifdef __cplusplus
extern "C"
{
#endif

	typedef struct s_VideoClientContext VideoClientContext;
	typedef struct s_VideoClientContextPriv VideoClientContextPriv;

	/** @brief an implementation of surface used by the video channel */
	typedef struct
	{
		UINT32 x, y, w, h;
		UINT32 alignedWidth, alignedHeight;
		BYTE* data;
		DWORD format;
		UINT32 scanline;
	} VideoSurface;

	typedef void (*pcVideoTimer)(VideoClientContext* video, UINT64 now);
	typedef void (*pcVideoSetGeometry)(VideoClientContext* video, GeometryClientContext* geometry);
	typedef VideoSurface* (*pcVideoCreateSurface)(VideoClientContext* video, UINT32 x, UINT32 y,
	                                              UINT32 width, UINT32 height);
	typedef BOOL (*pcVideoShowSurface)(VideoClientContext* video, const VideoSurface* surface,
	                                   UINT32 destinationWidth, UINT32 destinationHeight);
	typedef BOOL (*pcVideoDeleteSurface)(VideoClientContext* video, VideoSurface* surface);

	/** @brief context for the video (MS-RDPEVOR) channel */
	struct s_VideoClientContext
	{
		void* handle;
		void* custom;
		VideoClientContextPriv* priv;

		pcVideoSetGeometry setGeometry;
		pcVideoTimer timer;
		WINPR_ATTR_NODISCARD pcVideoCreateSurface createSurface;
		WINPR_ATTR_NODISCARD pcVideoShowSurface showSurface;
		pcVideoDeleteSurface deleteSurface;
	};

	WINPR_ATTR_NODISCARD
	FREERDP_API VideoSurface* VideoClient_CreateCommonContext(size_t size, UINT32 x, UINT32 y,
	                                                          UINT32 w, UINT32 h);
	FREERDP_API void VideoClient_DestroyCommonContext(VideoSurface* surface);

#ifdef __cplusplus
}
#endif

#endif /* FREERDP_CHANNELS_CLIENT_VIDEO_H */
