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/**
* FreeRDP: A Remote Desktop Protocol Implementation
* Audio Input Redirection Virtual Channel
*
* Copyright 2010-2011 Vic Lee
* Copyright 2023 Pascal Nowack <Pascal.Nowack@gmx.de>
*
* 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_AUDIN_H
#define FREERDP_CHANNEL_AUDIN_H
#include <freerdp/api.h>
#include <freerdp/codec/audio.h>
#include <freerdp/dvc.h>
#include <freerdp/types.h>
#define AUDIN_CHANNEL_NAME "audin"
#define AUDIN_DVC_CHANNEL_NAME "AUDIO_INPUT"
typedef struct
{
BYTE MessageId;
} SNDIN_PDU;
typedef enum
{
SNDIN_VERSION_Version_1 = 0x00000001,
SNDIN_VERSION_Version_2 = 0x00000002,
} SNDIN_VERSION_Version;
typedef struct
{
SNDIN_PDU Header;
SNDIN_VERSION_Version Version;
} SNDIN_VERSION;
typedef struct
{
SNDIN_PDU Header;
UINT32 NumFormats;
UINT32 cbSizeFormatsPacket;
AUDIO_FORMAT* SoundFormats;
size_t ExtraDataSize;
} SNDIN_FORMATS;
typedef enum
{
SPEAKER_FRONT_LEFT = 0x00000001,
SPEAKER_FRONT_RIGHT = 0x00000002,
SPEAKER_FRONT_CENTER = 0x00000004,
SPEAKER_LOW_FREQUENCY = 0x00000008,
SPEAKER_BACK_LEFT = 0x00000010,
SPEAKER_BACK_RIGHT = 0x00000020,
SPEAKER_FRONT_LEFT_OF_CENTER = 0x00000040,
SPEAKER_FRONT_RIGHT_OF_CENTER = 0x00000080,
SPEAKER_BACK_CENTER = 0x00000100,
SPEAKER_SIDE_LEFT = 0x00000200,
SPEAKER_SIDE_RIGHT = 0x00000400,
SPEAKER_TOP_CENTER = 0x00000800,
SPEAKER_TOP_FRONT_LEFT = 0x00001000,
SPEAKER_TOP_FRONT_CENTER = 0x00002000,
SPEAKER_TOP_FRONT_RIGHT = 0x00004000,
SPEAKER_TOP_BACK_LEFT = 0x00008000,
SPEAKER_TOP_BACK_CENTER = 0x00010000,
SPEAKER_TOP_BACK_RIGHT = 0x00020000,
} AUDIN_SPEAKER;
typedef struct
{
union
{
UINT16 wValidBitsPerSample;
UINT16 wSamplesPerBlock;
UINT16 wReserved;
} Samples;
AUDIN_SPEAKER dwChannelMask;
GUID SubFormat;
} WAVEFORMAT_EXTENSIBLE;
typedef struct
{
SNDIN_PDU Header;
UINT32 FramesPerPacket;
UINT32 initialFormat;
AUDIO_FORMAT captureFormat;
WAVEFORMAT_EXTENSIBLE* ExtraFormatData;
} SNDIN_OPEN;
typedef struct
{
SNDIN_PDU Header;
UINT32 Result;
} SNDIN_OPEN_REPLY;
typedef struct
{
SNDIN_PDU Header;
} SNDIN_DATA_INCOMING;
typedef struct
{
SNDIN_PDU Header;
wStream* Data;
} SNDIN_DATA;
typedef struct
{
SNDIN_PDU Header;
UINT32 NewFormat;
} SNDIN_FORMATCHANGE;
#endif /* FREERDP_CHANNEL_AUDIN_H */
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