/**

 * FreeRDP: A Remote Desktop Protocol Implementation

 * Video Redirection Virtual Channel - Audio Device Manager

 *

 * Copyright 2010-2011 Vic Lee

 *

 * 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_TSMF_CLIENT_AUDIO_H

#define FREERDP_CHANNEL_TSMF_CLIENT_AUDIO_H

#include "tsmf_types.h"

typedef struct _ITSMFAudioDevice ITSMFAudioDevice;

struct _ITSMFAudioDevice

{

	/* Open the audio device. */

	BOOL (*Open)(ITSMFAudioDevice* audio, const char* device);

	/* Set the audio data format. */

	BOOL (*SetFormat)(ITSMFAudioDevice* audio, UINT32 sample_rate, UINT32 channels,

	                  UINT32 bits_per_sample);

	/* Play audio data. */

	BOOL (*Play)(ITSMFAudioDevice* audio, const BYTE* data, UINT32 data_size);

	/* Get the latency of the last written sample, in 100ns */

	UINT64(*GetLatency)(ITSMFAudioDevice* audio);

	/* Change the playback volume level */

	BOOL (*ChangeVolume)(ITSMFAudioDevice* audio, UINT32 newVolume, UINT32 muted);

	/* Flush queued audio data */

	BOOL (*Flush)(ITSMFAudioDevice* audio);

	/* Free the audio device */

	void (*Free)(ITSMFAudioDevice* audio);

};

#define TSMF_AUDIO_DEVICE_EXPORT_FUNC_NAME "TSMFAudioDeviceEntry"

typedef ITSMFAudioDevice* (*TSMF_AUDIO_DEVICE_ENTRY)(void);

ITSMFAudioDevice* tsmf_load_audio_device(const char* name, const char* device);

#endif /* FREERDP_CHANNEL_TSMF_CLIENT_AUDIO_H */