1 files changed, 124 insertions, 0 deletions
diff --git a/include/freerdp/channels/audin.h b/include/freerdp/channels/audin.h
new file mode 100644
index 0000000..17254e6
--- /dev/null
+++ b/include/freerdp/channels/audin.h
@@ -0,0 +1,124 @@
+/**
+ * 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 */