static SLresult IAndroidBufferQueue_Clear(SLAndroidBufferQueueItf self)
{
SL_ENTER_INTERFACE
result = SL_RESULT_SUCCESS;
IAndroidBufferQueue *thiz = (IAndroidBufferQueue *) self;
interface_lock_exclusive(thiz);
// reset the queue pointers
thiz->mFront = &thiz->mBufferArray[0];
thiz->mRear = &thiz->mBufferArray[0];
// reset the queue state
thiz->mState.count = 0;
thiz->mState.index = 0;
// object-specific behavior for a clear
switch (InterfaceToObjectID(thiz)) {
case SL_OBJECTID_AUDIOPLAYER:
android_audioPlayer_androidBufferQueue_clear_l((CAudioPlayer*) thiz->mThis);
break;
case XA_OBJECTID_MEDIAPLAYER:
android_Player_androidBufferQueue_clear_l((CMediaPlayer*) thiz->mThis);
break;
default:
result = SL_RESULT_PARAMETER_INVALID;
}
interface_unlock_exclusive(thiz);
SL_LEAVE_INTERFACE
}
static SLresult IAndroidBufferQueue_RegisterCallback(SLAndroidBufferQueueItf self,
slAndroidBufferQueueCallback callback, void *pContext)
{
SL_ENTER_INTERFACE
IAndroidBufferQueue *thiz = (IAndroidBufferQueue *) self;
interface_lock_exclusive(thiz);
// verify pre-condition that media object is in the SL_PLAYSTATE_STOPPED state
if (SL_PLAYSTATE_STOPPED == getAssociatedState(thiz)) {
thiz->mCallback = callback;
thiz->mContext = pContext;
// FIXME investigate why these two cases are not handled symmetrically any more
switch (InterfaceToObjectID(thiz)) {
case SL_OBJECTID_AUDIOPLAYER:
result = android_audioPlayer_androidBufferQueue_registerCallback_l(
(CAudioPlayer*) thiz->mThis);
break;
case XA_OBJECTID_MEDIAPLAYER:
result = SL_RESULT_SUCCESS;
break;
default:
result = SL_RESULT_PARAMETER_INVALID;
}
} else {
result = SL_RESULT_PRECONDITIONS_VIOLATED;
}
interface_unlock_exclusive(thiz);
SL_LEAVE_INTERFACE
}
static SLresult IAndroidBufferQueue_Clear(SLAndroidBufferQueueItf self)
{
SL_ENTER_INTERFACE
result = SL_RESULT_SUCCESS;
IAndroidBufferQueue *thiz = (IAndroidBufferQueue *) self;
interface_lock_exclusive(thiz);
// reset the queue pointers
thiz->mFront = &thiz->mBufferArray[0];
thiz->mRear = &thiz->mBufferArray[0];
// reset the queue state
thiz->mState.count = 0;
thiz->mState.index = 0;
// reset the individual buffers
for (XAuint16 i=0 ; i<(thiz->mNumBuffers + 1) ; i++) {
thiz->mBufferArray[i].mDataBuffer = NULL;
thiz->mBufferArray[i].mDataSize = 0;
thiz->mBufferArray[i].mDataSizeConsumed = 0;
thiz->mBufferArray[i].mBufferContext = NULL;
thiz->mBufferArray[i].mBufferState = SL_ANDROIDBUFFERQUEUEEVENT_NONE;
switch (thiz->mBufferType) {
case kAndroidBufferTypeMpeg2Ts:
thiz->mBufferArray[i].mItems.mTsCmdData.mTsCmdCode = ANDROID_MP2TSEVENT_NONE;
thiz->mBufferArray[i].mItems.mTsCmdData.mPts = 0;
break;
case kAndroidBufferTypeAacadts:
thiz->mBufferArray[i].mItems.mAdtsCmdData.mAdtsCmdCode = ANDROID_ADTSEVENT_NONE;
break;
default:
result = SL_RESULT_CONTENT_UNSUPPORTED;
}
}
if (SL_RESULT_SUCCESS == result) {
// object-specific behavior for a clear
switch (InterfaceToObjectID(thiz)) {
case SL_OBJECTID_AUDIOPLAYER:
result = SL_RESULT_SUCCESS;
android_audioPlayer_androidBufferQueue_clear_l((CAudioPlayer*) thiz->mThis);
break;
case XA_OBJECTID_MEDIAPLAYER:
result = SL_RESULT_SUCCESS;
android_Player_androidBufferQueue_clear_l((CMediaPlayer*) thiz->mThis);
break;
default:
result = SL_RESULT_PARAMETER_INVALID;
}
}
interface_unlock_exclusive(thiz);
SL_LEAVE_INTERFACE
}
static SLuint32 getAssociatedState(IAndroidBufferQueue *thiz)
{
SLuint32 state;
switch (InterfaceToObjectID(thiz)) {
case XA_OBJECTID_MEDIAPLAYER:
state = ((CMediaPlayer *) thiz->mThis)->mPlay.mState;
break;
case SL_OBJECTID_AUDIOPLAYER:
state = ((CAudioPlayer *) thiz->mThis)->mPlay.mState;
break;
default:
// unreachable, but just in case we will assume it is stopped
assert(SL_BOOLEAN_FALSE);
state = SL_PLAYSTATE_STOPPED;
break;
}
return state;
}
