FreeRDP/channels/tsmf/client/tsmf_audio.c
2012-10-08 23:21:26 -04:00

86 lines
2.0 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 <freerdp/utils/memory.h>
#include <freerdp/utils/load_plugin.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;
char* fullname;
if (strrchr(name, '.') != NULL)
entry = (TSMF_AUDIO_DEVICE_ENTRY) freerdp_load_plugin(name, TSMF_AUDIO_DEVICE_EXPORT_FUNC_NAME);
else
{
fullname = xzalloc(strlen(name) + 6);
strcpy(fullname, "tsmf_");
strcat(fullname, name);
entry = (TSMF_AUDIO_DEVICE_ENTRY) freerdp_load_plugin(fullname, TSMF_AUDIO_DEVICE_EXPORT_FUNC_NAME);
free(fullname);
}
if (entry == NULL)
{
return NULL;
}
audio = entry();
if (audio == NULL)
{
DEBUG_WARN("failed to call export function in %s", name);
return NULL;
}
if (!audio->Open(audio, device))
{
audio->Free(audio);
audio = NULL;
}
return audio;
}
ITSMFAudioDevice* tsmf_load_audio_device(const char* name, const char* device)
{
ITSMFAudioDevice* audio;
if (name)
{
audio = tsmf_load_audio_device_by_name(name, device);
}
else
{
audio = tsmf_load_audio_device_by_name("pulse", device);
if (!audio)
audio = tsmf_load_audio_device_by_name("alsa", device);
}
return audio;
}