status_t CameraMetadata::sort() {
if (mLocked) {
ALOGE("%s: CameraMetadata is locked", __FUNCTION__);
return INVALID_OPERATION;
}
return sort_camera_metadata(mBuffer);
}
status_t CameraMetadata::sort() {
return sort_camera_metadata(mBuffer);
}
void QCameraHardwareInterface::runCommandThread(void *data)
{
/**
* This function implements the main service routine for the incoming
* frame requests, this thread routine is started everytime we get a
* notify_request_queue_not_empty trigger, this thread makes the
* assumption that once it receives a NULL on a dequest_request call
* there will be a fresh notify_request_queue_not_empty call that is
* invoked thereby launching a new instance of this thread. Therefore,
* once we get a NULL on a dequeue request we simply let this thread die
*/
int res;
camera_metadata_t *request=NULL;
mPendingRequests=0;
while(mRequestQueueSrc) {
ALOGV("%s:Dequeue request using mRequestQueueSrc:%p",__func__,mRequestQueueSrc);
mRequestQueueSrc->dequeue_request(mRequestQueueSrc,&request);
if(request==NULL) {
ALOGE("%s:No more requests available from src command \
thread dying",__func__);
return;
}
mPendingRequests++;
/* Set the metadata values */
/* Wait for the SOF for the new metadata values to be applied */
/* Check the streams that need to be active in the stream request */
sort_camera_metadata(request);
camera_metadata_entry_t streams;
res = find_camera_metadata_entry(request,
ANDROID_REQUEST_OUTPUT_STREAMS,
&streams);
if (res != NO_ERROR) {
ALOGE("%s: error reading output stream tag", __FUNCTION__);
return;
}
res = tryRestartStreams(streams);
if (res != NO_ERROR) {
ALOGE("error tryRestartStreams %d", res);
return;
}
/* 3rd pass: Turn on all streams requested */
for (uint32_t i = 0; i < streams.count; i++) {
int streamId = streams.data.u8[i];
QCameraStream *stream = QCameraStream::getStreamAtId(streamId);
/* Increment the frame pending count in each stream class */
/* Assuming we will have the stream obj in had at this point may be
* may be multiple objs in which case we loop through array of streams */
stream->onNewRequest();
}
ALOGV("%s:Freeing request using mRequestQueueSrc:%p",__func__,mRequestQueueSrc);
/* Free the request buffer */
mRequestQueueSrc->free_request(mRequestQueueSrc,request);
mPendingRequests--;
ALOGV("%s:Completed request",__func__);
}
