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/*
* Copyright (C) 2010 The Android Open Source Project
*
* 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.
*/
/* MuteSolo implementation */
#include "sles_allinclusive.h"
static SLresult IMuteSolo_SetChannelMute(SLMuteSoloItf self, SLuint8 chan, SLboolean mute)
{
SL_ENTER_INTERFACE
IMuteSolo *this = (IMuteSolo *) self;
IObject *thisObject = this->mThis;
if (SL_OBJECTID_AUDIOPLAYER != IObjectToObjectID(thisObject)) {
result = SL_RESULT_FEATURE_UNSUPPORTED;
} else {
CAudioPlayer *ap = (CAudioPlayer *) thisObject;
interface_lock_exclusive(this);
SLuint8 numChannels = ap->mNumChannels;
if (1 >= numChannels) {
interface_unlock_exclusive(this);
result = SL_RESULT_FEATURE_UNSUPPORTED;
} else if (numChannels <= chan) {
interface_unlock_exclusive(this);
result = SL_RESULT_PARAMETER_INVALID;
} else {
SLuint8 mask = 1 << chan;
SLuint8 oldMuteMask = ap->mMuteMask;
if (mute) {
ap->mMuteMask |= mask;
} else {
ap->mMuteMask &= ~mask;
}
interface_unlock_exclusive_attributes(this, oldMuteMask != ap->mMuteMask ? ATTR_GAIN :
ATTR_NONE);
result = SL_RESULT_SUCCESS;
}
}
SL_LEAVE_INTERFACE
}
static SLresult IMuteSolo_GetChannelMute(SLMuteSoloItf self, SLuint8 chan, SLboolean *pMute)
{
SL_ENTER_INTERFACE
if (NULL == pMute) {
result = SL_RESULT_PARAMETER_INVALID;
} else {
IMuteSolo *this = (IMuteSolo *) self;
IObject *thisObject = this->mThis;
if (SL_OBJECTID_AUDIOPLAYER != IObjectToObjectID(thisObject)) {
result = SL_RESULT_FEATURE_UNSUPPORTED;
} else {
CAudioPlayer *ap = (CAudioPlayer *) thisObject;
SLboolean mute;
interface_lock_shared(this);
SLuint8 numChannels = ap->mNumChannels;
if (1 >= numChannels) {
mute = SL_BOOLEAN_FALSE;
result = SL_RESULT_FEATURE_UNSUPPORTED;
} else if (numChannels <= chan) {
mute = SL_BOOLEAN_FALSE;
result = SL_RESULT_PARAMETER_INVALID;
} else {
SLuint8 mask = ap->mMuteMask;
mute = (SLboolean) ((mask >> chan) & 1);
result = SL_RESULT_SUCCESS;
}
interface_unlock_shared(this);
*pMute = mute;
}
}
SL_LEAVE_INTERFACE
}
static SLresult IMuteSolo_SetChannelSolo(SLMuteSoloItf self, SLuint8 chan, SLboolean solo)
{
SL_ENTER_INTERFACE
IMuteSolo *this = (IMuteSolo *) self;
IObject *thisObject = this->mThis;
if (SL_OBJECTID_AUDIOPLAYER != IObjectToObjectID(thisObject)) {
result = SL_RESULT_FEATURE_UNSUPPORTED;
} else {
CAudioPlayer *ap = (CAudioPlayer *) thisObject;
interface_lock_exclusive(this);
SLuint8 numChannels = ap->mNumChannels;
if (1 >= numChannels) {
interface_unlock_exclusive(this);
result = SL_RESULT_FEATURE_UNSUPPORTED;
} else if (numChannels <= chan) {
interface_unlock_exclusive(this);
result = SL_RESULT_PARAMETER_INVALID;
} else {
SLuint8 mask = 1 << chan;
SLuint8 oldSoloMask = ap->mSoloMask;
if (solo) {
ap->mSoloMask |= mask;
} else {
ap->mSoloMask &= ~mask;
}
interface_unlock_exclusive_attributes(this, oldSoloMask != ap->mSoloMask ? ATTR_GAIN :
ATTR_NONE);
result = SL_RESULT_SUCCESS;
}
}
SL_LEAVE_INTERFACE
}
static SLresult IMuteSolo_GetChannelSolo(SLMuteSoloItf self, SLuint8 chan, SLboolean *pSolo)
{
SL_ENTER_INTERFACE
if (NULL == pSolo) {
result = SL_RESULT_PARAMETER_INVALID;
} else {
IMuteSolo *this = (IMuteSolo *) self;
IObject *thisObject = this->mThis;
if (SL_OBJECTID_AUDIOPLAYER != IObjectToObjectID(thisObject)) {
result = SL_RESULT_FEATURE_UNSUPPORTED;
} else {
CAudioPlayer *ap = (CAudioPlayer *) thisObject;
SLboolean solo;
interface_lock_shared(this);
SLuint8 numChannels = ap->mNumChannels;
if (1 >= numChannels) {
solo = SL_BOOLEAN_FALSE;
result = SL_RESULT_FEATURE_UNSUPPORTED;
} else if (numChannels <= chan) {
solo = SL_BOOLEAN_FALSE;
result = SL_RESULT_PARAMETER_INVALID;
} else {
SLuint8 mask = ap->mSoloMask;
solo = (SLboolean) ((mask >> chan) & 1);
result = SL_RESULT_SUCCESS;
}
interface_unlock_shared(this);
*pSolo = solo;
}
}
SL_LEAVE_INTERFACE
}
static SLresult IMuteSolo_GetNumChannels(SLMuteSoloItf self, SLuint8 *pNumChannels)
{
SL_ENTER_INTERFACE
if (NULL == pNumChannels) {
result = SL_RESULT_PARAMETER_INVALID;
} else {
IMuteSolo *this = (IMuteSolo *) self;
IObject *thisObject = this->mThis;
if (SL_OBJECTID_AUDIOPLAYER != IObjectToObjectID(thisObject)) {
result = SL_RESULT_FEATURE_UNSUPPORTED;
} else {
CAudioPlayer *ap = (CAudioPlayer *) thisObject;
object_lock_shared(thisObject);
SLuint8 numChannels = ap->mNumChannels;
object_unlock_shared(thisObject);
*pNumChannels = numChannels;
result = 0 < numChannels ? SL_RESULT_SUCCESS : SL_RESULT_PRECONDITIONS_VIOLATED;
}
}
SL_LEAVE_INTERFACE
}
static const struct SLMuteSoloItf_ IMuteSolo_Itf = {
IMuteSolo_SetChannelMute,
IMuteSolo_GetChannelMute,
IMuteSolo_SetChannelSolo,
IMuteSolo_GetChannelSolo,
IMuteSolo_GetNumChannels
};
void IMuteSolo_init(void *self)
{
IMuteSolo *this = (IMuteSolo *) self;
this->mItf = &IMuteSolo_Itf;
}
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