public int enablePreviewEvents(
int type, int memBuffer, int left, int top, int width, int height) {
if (mPreview == null && mCamera == null) return MAAPI_consts.MA_CAMERA_RES_FAILED;
if (mMoSyncPreviewEventEnabled) return MAAPI_consts.MA_CAMERA_RES_EVENTS_ALREADY_ENABLED;
if (type == MAAPI_consts.MA_CAMERA_PREVIEW_FRAME) {
if (mMoSyncPreviewAutoFocusEventEnabled)
return MAAPI_consts.MA_CAMERA_RES_EVENTS_ALREADY_ENABLED;
// enable preview frame events
mMoSyncPreviewFrameEventEnabled = true;
} else if (type == MAAPI_consts.MA_CAMERA_PREVIEW_AUTO_FOCUS) {
if (mMoSyncPreviewFrameEventEnabled) return MAAPI_consts.MA_CAMERA_RES_EVENTS_ALREADY_ENABLED;
// enable preview auto foucs events
mMoSyncPreviewAutoFocusEventEnabled = true;
} else return MAAPI_consts.MA_CAMERA_RES_FAILED;
// Get the size of the preview and make sure the rect
// ins't too big!
// Camera.Parameters camParam = mCamera.getParameters();
Camera.Size previewSize = mPreview.mPreviewSize;
if (previewSize == null) {
SYSLOG("Preview size is null");
return MAAPI_consts.MA_CAMERA_RES_FAILED;
}
int w = previewSize.width;
int h = previewSize.height;
if ((left + width) > w) return MAAPI_consts.MA_CAMERA_RES_INVALID_PREVIEW_SIZE;
if ((top + height) > h) return MAAPI_consts.MA_CAMERA_RES_INVALID_PREVIEW_SIZE;
int sliceSize = width * height * 4;
mMoSyncPreviewEventBuffer = mMoSyncThread.getMemorySlice(memBuffer, sliceSize).asIntBuffer();
if (mMoSyncPreviewEventBuffer == null) return MAAPI_consts.MA_CAMERA_RES_FAILED;
mPreviewEventBufferLeft = left;
mPreviewEventBufferTop = top;
mPreviewEventBufferRight = left + width;
mPreviewEventBufferBottom = top + height;
mMoSyncPreviewEventEnabled = true;
return MAAPI_consts.MA_CAMERA_RES_OK;
}
