| /* |
| * 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 *thiz = (IMuteSolo *) self; |
| IObject *thisObject = thiz->mThis; |
| if (SL_OBJECTID_AUDIOPLAYER != IObjectToObjectID(thisObject)) { |
| result = SL_RESULT_FEATURE_UNSUPPORTED; |
| } else { |
| CAudioPlayer *ap = (CAudioPlayer *) thisObject; |
| interface_lock_exclusive(thiz); |
| SLuint8 numChannels = ap->mNumChannels; |
| if (1 >= numChannels) { |
| interface_unlock_exclusive(thiz); |
| result = SL_RESULT_FEATURE_UNSUPPORTED; |
| } else if (numChannels <= chan) { |
| interface_unlock_exclusive(thiz); |
| 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(thiz, 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 *thiz = (IMuteSolo *) self; |
| IObject *thisObject = thiz->mThis; |
| if (SL_OBJECTID_AUDIOPLAYER != IObjectToObjectID(thisObject)) { |
| result = SL_RESULT_FEATURE_UNSUPPORTED; |
| } else { |
| CAudioPlayer *ap = (CAudioPlayer *) thisObject; |
| SLboolean mute; |
| interface_lock_shared(thiz); |
| 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(thiz); |
| *pMute = mute; |
| } |
| } |
| |
| SL_LEAVE_INTERFACE |
| } |
| |
| |
| static SLresult IMuteSolo_SetChannelSolo(SLMuteSoloItf self, SLuint8 chan, SLboolean solo) |
| { |
| SL_ENTER_INTERFACE |
| |
| IMuteSolo *thiz = (IMuteSolo *) self; |
| IObject *thisObject = thiz->mThis; |
| if (SL_OBJECTID_AUDIOPLAYER != IObjectToObjectID(thisObject)) { |
| result = SL_RESULT_FEATURE_UNSUPPORTED; |
| } else { |
| CAudioPlayer *ap = (CAudioPlayer *) thisObject; |
| interface_lock_exclusive(thiz); |
| SLuint8 numChannels = ap->mNumChannels; |
| if (1 >= numChannels) { |
| interface_unlock_exclusive(thiz); |
| result = SL_RESULT_FEATURE_UNSUPPORTED; |
| } else if (numChannels <= chan) { |
| interface_unlock_exclusive(thiz); |
| 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(thiz, 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 *thiz = (IMuteSolo *) self; |
| IObject *thisObject = thiz->mThis; |
| if (SL_OBJECTID_AUDIOPLAYER != IObjectToObjectID(thisObject)) { |
| result = SL_RESULT_FEATURE_UNSUPPORTED; |
| } else { |
| CAudioPlayer *ap = (CAudioPlayer *) thisObject; |
| SLboolean solo; |
| interface_lock_shared(thiz); |
| 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(thiz); |
| *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 *thiz = (IMuteSolo *) self; |
| IObject *thisObject = thiz->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; |
| // spec errata says to return 0 (== UNKNOWN_NUMCHANNELS) if channel count is unknown |
| result = SL_RESULT_SUCCESS; |
| } |
| } |
| |
| 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 *thiz = (IMuteSolo *) self; |
| thiz->mItf = &IMuteSolo_Itf; |
| } |