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/*
* audio-hal
*
* Copyright (c) 2015 - 2016 Samsung Electronics Co., Ltd. All rights reserved.
*
* 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 "tizen-audio-internal.h"
static audio_return_t __set_message_callback(audio_hal_t *ah, message_cb callback, void *user_data)
{
audio_return_t audio_ret = AUDIO_RET_OK;
AUDIO_RETURN_VAL_IF_FAIL(ah, AUDIO_ERR_PARAMETER);
AUDIO_RETURN_VAL_IF_FAIL(callback, AUDIO_ERR_PARAMETER);
ah->comm.msg_cb = callback;
ah->comm.user_data = user_data;
AUDIO_LOG_DEBUG("message callback is set, callback(%p), user_data(%p)", ah->comm.msg_cb, ah->comm.user_data);
return audio_ret;
}
static audio_return_t __unset_message_callback(audio_hal_t *ah)
{
audio_return_t audio_ret = AUDIO_RET_OK;
AUDIO_RETURN_VAL_IF_FAIL(ah, AUDIO_ERR_PARAMETER);
ah->comm.msg_cb = NULL;
ah->comm.user_data = NULL;
AUDIO_LOG_DEBUG("message callback is unset");
return audio_ret;
}
audio_return_t _audio_comm_init(audio_hal_t *ah)
{
audio_return_t audio_ret = AUDIO_RET_OK;
AUDIO_RETURN_VAL_IF_FAIL(ah, AUDIO_ERR_PARAMETER);
ah->comm.msg_cb = NULL;
ah->comm.user_data = NULL;
return audio_ret;
}
audio_return_t _audio_comm_deinit(audio_hal_t *ah)
{
audio_return_t audio_ret = AUDIO_RET_OK;
AUDIO_RETURN_VAL_IF_FAIL(ah, AUDIO_ERR_PARAMETER);
ah->comm.msg_cb = NULL;
ah->comm.user_data = NULL;
return audio_ret;
}
audio_return_t _audio_comm_send_message(audio_hal_t *ah, const char *name, int value)
{
audio_return_t audio_ret = AUDIO_RET_OK;
AUDIO_RETURN_VAL_IF_FAIL(ah, AUDIO_ERR_PARAMETER);
AUDIO_RETURN_VAL_IF_FAIL(name, AUDIO_ERR_PARAMETER);
AUDIO_LOG_DEBUG("send message : name(%s), value(%d)", name, value);
if (ah->comm.msg_cb) {
ah->comm.msg_cb(name, value, ah->comm.user_data);
}
return audio_ret;
}
audio_return_t audio_add_message_cb(void *audio_handle, message_cb callback, void *user_data)
{
audio_return_t ret = AUDIO_RET_OK;
AUDIO_RETURN_VAL_IF_FAIL(audio_handle, AUDIO_ERR_PARAMETER);
AUDIO_RETURN_VAL_IF_FAIL(callback, AUDIO_ERR_PARAMETER);
/* NOTE: Management of several callbacks could be implemented.
But we do not care of it for now.*/
ret = __set_message_callback((audio_hal_t *)audio_handle, callback, user_data);
return ret;
}
audio_return_t audio_remove_message_cb(void *audio_handle, message_cb callback)
{
audio_return_t ret = AUDIO_RET_OK;
AUDIO_RETURN_VAL_IF_FAIL(audio_handle, AUDIO_ERR_PARAMETER);
AUDIO_RETURN_VAL_IF_FAIL(callback, AUDIO_ERR_PARAMETER);
ret = __unset_message_callback((audio_hal_t *)audio_handle);
return ret;
}
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