/**

 * FreeRDP: A Remote Desktop Protocol Implementation

 * Video Optimized Remoting Virtual Channel Extension

 *

 * Copyright 2018 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_CHANNEL_VIDEO_H

#define FREERDP_CHANNEL_VIDEO_H

#include <winpr/wtypes.h>

#include <freerdp/types.h>

#define VIDEO_CONTROL_DVC_CHANNEL_NAME "Microsoft::Windows::RDS::Video::Control::v08.01"

#define VIDEO_DATA_DVC_CHANNEL_NAME "Microsoft::Windows::RDS::Video::Data::v08.01"

/** @brief TSNM packet type */

enum

{

	TSMM_PACKET_TYPE_PRESENTATION_REQUEST = 1,

	TSMM_PACKET_TYPE_PRESENTATION_RESPONSE = 2,

	TSMM_PACKET_TYPE_CLIENT_NOTIFICATION = 3,

	TSMM_PACKET_TYPE_VIDEO_DATA = 4

};

/** @brief TSMM_PRESENTATION_REQUEST commands */

enum

{

	TSMM_START_PRESENTATION = 1,

	TSMM_STOP_PRESENTATION = 2

};

/** @brief presentation request struct */

struct _TSMM_PRESENTATION_REQUEST

{

	BYTE PresentationId;

	BYTE Version;

	BYTE Command;

	BYTE FrameRate;

	UINT32 SourceWidth, SourceHeight;

	UINT32 ScaledWidth, ScaledHeight;

	UINT64 hnsTimestampOffset;

	UINT64 GeometryMappingId;

	BYTE VideoSubtypeId[16];

	UINT32 cbExtra;

	BYTE* pExtraData;

};

typedef struct _TSMM_PRESENTATION_REQUEST TSMM_PRESENTATION_REQUEST;

/** @brief response to a TSMM_PRESENTATION_REQUEST */

struct _TSMM_PRESENTATION_RESPONSE

{

	BYTE PresentationId;

};

typedef struct _TSMM_PRESENTATION_RESPONSE TSMM_PRESENTATION_RESPONSE;

/** @brief TSMM_VIDEO_DATA flags */

enum

{

	TSMM_VIDEO_DATA_FLAG_HAS_TIMESTAMPS = 0x01,

	TSMM_VIDEO_DATA_FLAG_KEYFRAME = 0x02,

	TSMM_VIDEO_DATA_FLAG_NEW_FRAMERATE = 0x04

};

/** @brief a video data packet */

struct _TSMM_VIDEO_DATA

{

	BYTE PresentationId;

	BYTE Version;

	BYTE Flags;

	UINT64 hnsTimestamp;

	UINT64 hnsDuration;

	UINT16 CurrentPacketIndex;

	UINT16 PacketsInSample;

	UINT32 SampleNumber;

	UINT32 cbSample;

	BYTE* pSample;

};

typedef struct _TSMM_VIDEO_DATA TSMM_VIDEO_DATA;

/** @brief values for NotificationType in TSMM_CLIENT_NOTIFICATION */

enum

{

	TSMM_CLIENT_NOTIFICATION_TYPE_NETWORK_ERROR = 1,

	TSMM_CLIENT_NOTIFICATION_TYPE_FRAMERATE_OVERRIDE = 2

};

/** @brief struct used when NotificationType is FRAMERATE_OVERRIDE */

struct _TSMM_CLIENT_NOTIFICATION_FRAMERATE_OVERRIDE

{

	UINT32 Flags;

	UINT32 DesiredFrameRate;

};

typedef struct _TSMM_CLIENT_NOTIFICATION_FRAMERATE_OVERRIDE

    TSMM_CLIENT_NOTIFICATION_FRAMERATE_OVERRIDE;

/** @brief a client to server notification struct */

struct _TSMM_CLIENT_NOTIFICATION

{

	BYTE PresentationId;

	BYTE NotificationType;

	TSMM_CLIENT_NOTIFICATION_FRAMERATE_OVERRIDE FramerateOverride;

};

typedef struct _TSMM_CLIENT_NOTIFICATION TSMM_CLIENT_NOTIFICATION;

#endif /* FREERDP_CHANNEL_VIDEO_H */