/**

 * FreeRDP: A Remote Desktop Protocol Implementation

 * Audio Output Virtual Channel

 *

 * Copyright 2010-2011 Vic Lee

 * Copyright 2012-2013 Marc-Andre Moreau <marcandre.moreau@gmail.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_RDPSND_CLIENT_RDPSND_H

#define FREERDP_CHANNEL_RDPSND_CLIENT_RDPSND_H

#include <freerdp/channels/rdpsnd.h>

#define RDPSND_DVC_CHANNEL_NAME "AUDIO_PLAYBACK_DVC"

/**

 * Subsystem Interface

 */

typedef struct rdpsnd_plugin rdpsndPlugin;

typedef struct rdpsnd_device_plugin rdpsndDevicePlugin;

typedef BOOL (*pcFormatSupported)(rdpsndDevicePlugin* device, const AUDIO_FORMAT* format);

typedef BOOL (*pcOpen)(rdpsndDevicePlugin* device, const AUDIO_FORMAT* format, UINT32 latency);

typedef UINT32 (*pcGetVolume)(rdpsndDevicePlugin* device);

typedef BOOL (*pcSetVolume)(rdpsndDevicePlugin* device, UINT32 value);

typedef UINT (*pcPlay)(rdpsndDevicePlugin* device, const BYTE* data, size_t size);

typedef void (*pcStart)(rdpsndDevicePlugin* device);

typedef void (*pcClose)(rdpsndDevicePlugin* device);

typedef void (*pcFree)(rdpsndDevicePlugin* device);

typedef BOOL (*pcDefaultFormat)(rdpsndDevicePlugin* device, const AUDIO_FORMAT* desired,

                                AUDIO_FORMAT* defaultFormat);

struct rdpsnd_device_plugin

{

	rdpsndPlugin* rdpsnd;

	pcFormatSupported FormatSupported;

	pcOpen Open;

	pcGetVolume GetVolume;

	pcSetVolume SetVolume;

	pcPlay Play;

	pcStart Start; /* Deprecated, unused. */

	pcClose Close;

	pcFree Free;

	pcDefaultFormat DefaultFormat;

};

#define RDPSND_DEVICE_EXPORT_FUNC_NAME "freerdp_rdpsnd_client_subsystem_entry"

typedef void (*PREGISTERRDPSNDDEVICE)(rdpsndPlugin* rdpsnd, rdpsndDevicePlugin* device);

struct _FREERDP_RDPSND_DEVICE_ENTRY_POINTS

{

	rdpsndPlugin* rdpsnd;

	PREGISTERRDPSNDDEVICE pRegisterRdpsndDevice;

	ADDIN_ARGV* args;

};

typedef struct _FREERDP_RDPSND_DEVICE_ENTRY_POINTS FREERDP_RDPSND_DEVICE_ENTRY_POINTS;

typedef FREERDP_RDPSND_DEVICE_ENTRY_POINTS* PFREERDP_RDPSND_DEVICE_ENTRY_POINTS;

typedef UINT (*PFREERDP_RDPSND_DEVICE_ENTRY)(PFREERDP_RDPSND_DEVICE_ENTRY_POINTS pEntryPoints);

#endif /* FREERDP_CHANNEL_RDPSND_CLIENT_RDPSND_H */