204 lines
7.9 KiB
C++
204 lines
7.9 KiB
C++
/* Copyright Statement:
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*
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* This software/firmware and related documentation ("MediaTek Software") are
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* protected under relevant copyright laws. The information contained herein is
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* confidential and proprietary to MediaTek Inc. and/or its licensors. Without
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* the prior written permission of MediaTek inc. and/or its licensors, any
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* reproduction, modification, use or disclosure of MediaTek Software, and
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* information contained herein, in whole or in part, shall be strictly
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* prohibited.
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*
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* MediaTek Inc. (C) 2010. All rights reserved.
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*
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* BY OPENING THIS FILE, RECEIVER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
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* THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
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* RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO RECEIVER
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* ON AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL
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* WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR
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* NONINFRINGEMENT. NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH
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* RESPECT TO THE SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY,
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* INCORPORATED IN, OR SUPPLIED WITH THE MEDIATEK SOFTWARE, AND RECEIVER AGREES
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* TO LOOK ONLY TO SUCH THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO.
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* RECEIVER EXPRESSLY ACKNOWLEDGES THAT IT IS RECEIVER'S SOLE RESPONSIBILITY TO
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* OBTAIN FROM ANY THIRD PARTY ALL PROPER LICENSES CONTAINED IN MEDIATEK
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* SOFTWARE. MEDIATEK SHALL ALSO NOT BE RESPONSIBLE FOR ANY MEDIATEK SOFTWARE
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* RELEASES MADE TO RECEIVER'S SPECIFICATION OR TO CONFORM TO A PARTICULAR
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* STANDARD OR OPEN FORUM. RECEIVER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S
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* ENTIRE AND CUMULATIVE LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE
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* RELEASED HEREUNDER WILL BE, AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE
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* MEDIATEK SOFTWARE AT ISSUE, OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE
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* CHARGE PAID BY RECEIVER TO MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE.
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*
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* The following software/firmware and/or related documentation ("MediaTek
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* Software") have been modified by MediaTek Inc. All revisions are subject to
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* any receiver's applicable license agreements with MediaTek Inc.
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*/
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#include "AudioLoudmtk.h"
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#include <dlfcn.h>
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#ifdef LOG_TAG
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#undef LOG_TAG
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#endif
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#define LOG_TAG "AudioLoudmtk"
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#define UNUSED(x) ((void)(x))
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namespace android {
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#if defined(__LP64__)
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const char *AUDIO_COMPONENT_ENGINE_LIB_PATH = "/system/lib64/libaudiocomponentengine.so";
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#else
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const char *AUDIO_COMPONENT_ENGINE_LIB_PATH = "/system/lib/libaudiocomponentengine.so";
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#endif
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typedef bool AudioLoudEnableXMLCallBack();
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static void *g_AudioComponentEngineHandle = NULL;
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static create_AudioLoud *fp_AudioLoud = NULL;
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static create_AudioCustParamCache *fp_CustParamCache = NULL;
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static AudioLoudEnableXMLCallBack *fp_MtkAudioLoudEnableXMLCallBack = NULL;
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static destroy_AudioLoud *fp_DestroyAudioLoud = NULL;
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static destroy_AudioCustParamCache *fp_DestroyCustParamCache = NULL;
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inline void *openAudioRelatedLib(const char *filepath) {
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void *handle = NULL;
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if (filepath == NULL) {
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ALOGE("%s null input parameter", __FUNCTION__);
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return NULL;
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} else {
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if (access(filepath, R_OK) == 0) {
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handle = dlopen(filepath, RTLD_NOW);
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if (handle == NULL) {
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ALOGE("%s(), dlopen fail! (%s)\n", __FUNCTION__, dlerror());
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return NULL;
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}
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return handle;
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} else {
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ALOGE("%s filepath %s doesn't exist", __FUNCTION__, filepath);
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return NULL;
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}
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}
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}
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inline bool openAudioComponentEngine(void) {
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if (g_AudioComponentEngineHandle == NULL) {
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fp_AudioLoud = NULL;
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fp_CustParamCache = NULL;
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fp_MtkAudioLoudEnableXMLCallBack = NULL;
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fp_DestroyAudioLoud = NULL;
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fp_DestroyCustParamCache = NULL;
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g_AudioComponentEngineHandle = openAudioRelatedLib(AUDIO_COMPONENT_ENGINE_LIB_PATH);
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return (g_AudioComponentEngineHandle == NULL) ? false : true;
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}
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return true;
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}
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inline void closeAudioComponentEngine(void) {
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if (g_AudioComponentEngineHandle != NULL) {
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dlclose(g_AudioComponentEngineHandle);
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g_AudioComponentEngineHandle = NULL;
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fp_AudioLoud = NULL;
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fp_CustParamCache = NULL;
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fp_MtkAudioLoudEnableXMLCallBack = NULL;
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fp_DestroyAudioLoud = NULL;
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fp_DestroyCustParamCache = NULL;
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}
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}
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MtkAudioLoudBase *newMtkAudioLoud(uint32_t eFLTtype, bool bFastTrack) {
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if (!openAudioComponentEngine()) {
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return NULL;
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}
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const char *error;
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if (fp_AudioLoud == NULL) {
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fp_AudioLoud = (create_AudioLoud *)dlsym(g_AudioComponentEngineHandle, "createMtkAudioLoud");
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error = dlerror();
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if (error != NULL) {
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ALOGE("%s(), dlsym createMtkAudioLoud fail. (%s)\n", __FUNCTION__, error);
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closeAudioComponentEngine();
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return NULL;
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}
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}
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ALOGV("%p fp_AudioLoud %p", g_AudioComponentEngineHandle, fp_AudioLoud);
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return fp_AudioLoud(eFLTtype, bFastTrack);
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}
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void deleteMtkAudioLoud(MtkAudioLoudBase *pObject) {
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if (!openAudioComponentEngine()) {
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return;
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}
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const char *error;
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if (fp_DestroyAudioLoud == NULL) {
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fp_DestroyAudioLoud = (destroy_AudioLoud *)dlsym(g_AudioComponentEngineHandle, "destroyMtkAudioLoud");
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error = dlerror();
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if (error != NULL) {
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ALOGE("%s(), dlsym deleteMtkAudioLoud fail. (%s)\n", __FUNCTION__, error);
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closeAudioComponentEngine();
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return;
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}
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}
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ALOGV("%p fp_DestroyAudioLoud %p", g_AudioComponentEngineHandle, fp_DestroyAudioLoud);
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fp_DestroyAudioLoud(pObject);
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return;
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}
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MtkAudioCustParamCacheBase *newMtkAudioCustParamCache() {
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if (!openAudioComponentEngine()) {
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return NULL;
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}
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const char *error;
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if (fp_CustParamCache == NULL) {
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fp_CustParamCache = (create_AudioCustParamCache *)dlsym(g_AudioComponentEngineHandle, "createMtkAudioCustParamCache");
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error = dlerror();
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if (error != NULL) {
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ALOGE("%s(), dlsym createMtkAudioCustParamCache fail. (%s)\n", __FUNCTION__, error);
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closeAudioComponentEngine();
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return NULL;
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}
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}
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ALOGV("%p fp_CustParamCache %p", g_AudioComponentEngineHandle, fp_CustParamCache);
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return fp_CustParamCache();
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}
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void deleteMtkCustParamCache(MtkAudioCustParamCacheBase *pObject) {
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if (!openAudioComponentEngine()) {
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return;
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}
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const char *error;
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if (fp_DestroyCustParamCache == NULL) {
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fp_DestroyCustParamCache = (destroy_AudioCustParamCache *)dlsym(g_AudioComponentEngineHandle, "destroyMtkAudioCustParamCache");
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error = dlerror();
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if (error != NULL) {
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ALOGE("%s(), dlsym deleteMtkCustParamCache fail. (%s)\n", __FUNCTION__, error);
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closeAudioComponentEngine();
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return;
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}
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}
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ALOGV("%p fp_DestroyCustParamCache %p", g_AudioComponentEngineHandle, fp_DestroyCustParamCache);
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fp_DestroyCustParamCache(pObject);
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return;
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}
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bool MtkAudioLoud_InitParser(void) {
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if (!openAudioComponentEngine()) {
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return false;
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}
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const char *error;
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if (fp_MtkAudioLoudEnableXMLCallBack == NULL) {
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fp_MtkAudioLoudEnableXMLCallBack = (AudioLoudEnableXMLCallBack *)dlsym(g_AudioComponentEngineHandle, "MtkAudioLoudEnableXMLCallBack");
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error = dlerror();
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if (error != NULL) {
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ALOGE("%s(), dlsym MtkAudioLoudEnableXMLCallBack fail. (%s)\n", __FUNCTION__, error);
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closeAudioComponentEngine();
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return false;
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}
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}
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ALOGV("%p fp_MtkAudioLoudEnableXMLCallBack %p", g_AudioComponentEngineHandle, fp_MtkAudioLoudEnableXMLCallBack);
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return fp_MtkAudioLoudEnableXMLCallBack();
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}
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}
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