void Camera::update() {
if(connected){
#ifdef TARGET_OSX
if (bTryInitLiveView) {
if (ofGetElapsedTimeMillis() - initTime > OFX_EDSDK_LIVE_DELAY) {
bTryInitLiveView = false;
resetLiveView();
}
}
#endif
lock();
if(liveBufferMiddle.size() > 0) {
// decoding the jpeg in the main thread allows the capture thread to run in a tighter loop.
ofBuffer* middleFront = liveBufferMiddle.front();
liveBufferFront.set(middleFront->getBinaryBuffer(), middleFront->size());
liveBufferMiddle.pop();
unlock();
ofLoadImage(livePixels, liveBufferFront);
livePixels.rotate90(rotateMode90);
if(liveTexture.getWidth() != livePixels.getWidth() ||
liveTexture.getHeight() != livePixels.getHeight()) {
liveTexture.allocate(livePixels.getWidth(), livePixels.getHeight(), GL_RGB8);
}
liveTexture.loadData(livePixels);
lock();
liveDataReady = true;
frameNew = true;
unlock();
} else {
unlock();
}
}
}
void Camera::captureLoop() {
if(liveViewReady) {
if(Eds::DownloadEvfData(camera, *liveBufferBack)) {
lock();
fps.tick();
bytesPerFrame = ofLerp(bytesPerFrame, liveBufferBack->size(), .01);
swap(liveBufferBack, liveBufferMiddle.back());
liveBufferMiddle.push();
unlock();
}
}
if(needToTakePhoto) {
try {
if (shootNoCard) {
EdsUInt32 saveTo = kEdsSaveTo_Host;
EdsSetPropertyData(camera, kEdsPropID_SaveTo, 0, sizeof(saveTo), &saveTo);
EdsCapacity maxCapacity = {0x7FFFFFFF, 0x1000, 1};
EdsSetCapacity(camera, maxCapacity );
} else {
EdsUInt32 saveTo = kEdsSaveTo_Camera;
EdsSetPropertyData(camera, kEdsPropID_SaveTo, 0, sizeof(saveTo), &saveTo);
}
Eds::SendCommand(camera, kEdsCameraCommand_TakePicture, 0);
lock();
needToTakePhoto = false;
unlock();
//ofSendMessage("test");
} catch (Eds::Exception& e) {
ofLogError() << "Error while taking a picture: " << e.what();
//ofSendMessage("Error: " + ofToString(e.what()));
}
}
if(needToStartRecording) {
try {
EdsUInt32 saveTo = kEdsSaveTo_Camera;
EdsSetPropertyData(camera, kEdsPropID_SaveTo, 0, sizeof(saveTo) , &saveTo);
EdsUInt32 record_start = 4; // Begin movie shooting
EdsSetPropertyData(camera, kEdsPropID_Record, 0, sizeof(record_start), &record_start);
lock();
needToStartRecording = false;
unlock();
} catch (Eds::Exception& e) {
ofLogError() << "Error while beginning to record: " << e.what();
}
}
if(needToStopRecording) {
try {
EdsUInt32 record_stop = 0; // End movie shooting
EdsSetPropertyData(camera, kEdsPropID_Record, 0, sizeof(record_stop), &record_stop);
lock();
needToStopRecording = false;
unlock();
} catch (Eds::Exception& e) {
ofLogError() << "Error while stopping to record: " << e.what();
}
}
if(needToSendKeepAlive) {
try {
// always causes EDS_ERR_DEVICE_BUSY, even with live view disabled or a delay
// but if it's not here, then the camera shuts down after 5 minutes.
Eds::SendStatusCommand(camera, kEdsCameraCommand_ExtendShutDownTimer, 0);
} catch (Eds::Exception& e) {
ofLogError() << "Error while sending kEdsCameraCommand_ExtendShutDownTimer with Eds::SendStatusCommand: " << e.what();
}
lock();
needToSendKeepAlive = false;
unlock();
}
if(needToDownloadImage) {
try {
EdsDirectoryItemInfo dirItemInfo = Eds::DownloadImage(directoryItem, photoBuffer);
ofLogVerbose() << "Downloaded item: " << (int) (photoBuffer.size() / 1024) << " KB";
lock();
photoDataReady = true;
needToDecodePhoto = true;
needToUpdatePhoto = true;
needToDownloadImage = false;
if (dirItemInfo.format == OFX_EDSDK_JPG_FORMAT) {
photoNew = true;
} else if (dirItemInfo.format == OFX_EDSDK_MOV_FORMAT) {
movieNew = true;
}
unlock();
} catch (Eds::Exception& e) {
ofLogError() << "Error while downloading item: " << e.what();
}
}
float timeSinceLastReset = ofGetElapsedTimef() - lastResetTime;
if(timeSinceLastReset > resetIntervalMinutes * 60) {
resetLiveView();
}
}
