FreeRDP/channels/tsmf/client/tsmf_audio.c
2015-05-28 00:00:25 +03:00

100 lines
2.1 KiB
C

/**
* 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;
}