/**

 * 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.

 */

#ifdef HAVE_CONFIG_H

#include "config.h"

#endif

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include "tsmf_audio.h"

static ITSMFAudioDevice* tsmf_load_audio_device_by_name(const char* name, const char* device)

{

	ITSMFAudioDevice* audio;

	TSMF_AUDIO_DEVICE_ENTRY entry;

	entry = (TSMF_AUDIO_DEVICE_ENTRY) freerdp_load_channel_addin_entry("tsmf", (LPSTR) name, "audio", 0);

	if (!entry)

		return NULL;

	audio = entry();

	if (!audio)

	{

		WLog_ERR(TAG, "failed to call export function in %s", name);

		return NULL;

	}

	if (!audio->Open(audio, device))

	{

		audio->Free(audio);

		audio = NULL;

		WLog_ERR(TAG, "failed to open, name: %s, device: %s", name, device);

	}

	else

	{

		WLog_DBG(TAG, "name: %s, device: %s", name, device);

	}

	return audio;

}

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

{

	ITSMFAudioDevice* audio = NULL;

	if (name)

	{

		audio = tsmf_load_audio_device_by_name(name, device);

	}

	else

	{

#if defined(WITH_PULSE)

		if (!audio)

			audio = tsmf_load_audio_device_by_name("pulse", device);

#endif

#if defined(WITH_OSS)

		if (!audio)

			audio = tsmf_load_audio_device_by_name("oss", device);

#endif

#if defined(WITH_ALSA)

		if (!audio)

			audio = tsmf_load_audio_device_by_name("alsa", device);

#endif

	}

	if (audio == NULL)

	{

		WLog_ERR(TAG, "no sound device.");

	}

	else

	{

		WLog_DBG(TAG, "name: %s, device: %s", name, device);

	}

	return audio;

}