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cameradevice.cpp
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cameradevice.cpp
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#include "cameradevice.h"
#include "cameratypes.h"
#include <QLowEnergyCharacteristic>
// Services that BM camera should have
static const QBluetoothUuid GenericService("00001800-0000-1000-8000-00805f9b34fb");
static const QBluetoothUuid DeviceInformation("0000180a-0000-1000-8000-00805f9b34fb");
static const QBluetoothUuid BmdCameraService("291D567A-6D75-11E6-8B77-86F30CA893D3");
// Characteristics available
static const QBluetoothUuid OutgoingCameraControl("5DD3465F-1AEE-4299-8493-D2ECA2F8E1BB");
static const QBluetoothUuid IncomingCameraControl("B864E140-76A0-416A-BF30-5876504537D9");
static const QBluetoothUuid Timecode("6D8F2110-86F1-41BF-9AFB-451D87E976C8");
static const QBluetoothUuid CameraStatus("7FE8691D-95DC-4FC5-8ABD-CA74339B51B9");
static const QBluetoothUuid DeviceName("FFAC0C52-C9FB-41A0-B063-CC76282EB89C");
static qint16 mapf(double x, double in_min, double in_max, double out_min, double out_max)
{
return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
}
static int16_t float2fix(double n)
{
unsigned short int int_part = 0, frac_part = 0;
int i;
double t;
int_part = (n > 0) ? (((int)floor(n)) << 11) : (((int)ceil(n)) << 11);
n = fabs(n) - floor(fabs(n));
t = 0.5;
for (i = 0; i < 11; i++) {
if ((n - t) >= 0) {
n -= t;
frac_part += (1 << (11 - 1 - i));
}
t = t /2;
}
return int_part + frac_part;
}
CameraDevice::CameraDevice()
{
m_timecode.setHMS(0,0,0,0);
}
CameraDevice::~CameraDevice()
{
qDeleteAll(m_services);
m_services.clear();
if (m_controller) {
m_controller->disconnectFromDevice();
}
}
void CameraDevice::connectDevice(QBluetoothDeviceInfo *device)
{
if (device->isValid())
scanServices(*device);
}
void CameraDevice::scanServices(const QBluetoothDeviceInfo &device)
{
qDebug() << "Scanning for BM services for " << device.name();
if (m_controller) {
m_controller->disconnectFromDevice();
delete m_controller;
m_controller = nullptr;
}
if (m_currentDevice) {
delete m_currentDevice;
m_currentDevice=nullptr;
}
m_currentDevice=new QBluetoothDeviceInfo(device);
if (!m_controller) {
m_controller = QLowEnergyController::createCentral(*m_currentDevice, this);
connect(m_controller, &QLowEnergyController::connected, this, &CameraDevice::deviceConnected);
connect(m_controller, &QLowEnergyController::errorOccurred, this, &CameraDevice::errorReceived);
connect(m_controller, &QLowEnergyController::disconnected, this, &CameraDevice::deviceDisconnected);
connect(m_controller, &QLowEnergyController::serviceDiscovered, this, &CameraDevice::addLowEnergyService);
connect(m_controller, &QLowEnergyController::discoveryFinished, this, &CameraDevice::serviceScanDone);
}
m_controller->setRemoteAddressType(QLowEnergyController::PublicAddress);
qDebug() << "Connecting to " << device.name();
m_controller->connectToDevice();
}
void CameraDevice::scanServices(const QString &address)
{
if (m_cameras.contains(address)) {
m_currentDevice=m_cameras.value(address);
} else {
qWarning() << "Device not discovered" << address;
return;
}
if (!m_currentDevice->isValid()) {
qWarning() << "Not a valid device";
return;
}
scanServices(*m_currentDevice);
}
void CameraDevice::addLowEnergyService(const QBluetoothUuid &serviceUuid)
{
qDebug() << "Service discovered" << serviceUuid;
QLowEnergyService *service = m_controller->createServiceObject(serviceUuid);
if (!service) {
qWarning() << "Cannot create service for uuid";
return;
}
qDebug() << "Service:" << service->serviceUuid() << service->state();
m_services.append(service);
}
void CameraDevice::serviceScanDone()
{
qDebug() << "Services discovered";
// xxx error
if (m_services.isEmpty()) {
qDebug() << "No services found ?";
return;
}
qDebug() << "Connecting to camera service" << BmdCameraService.toString();
connectToService(BmdCameraService.toString());
}
void CameraDevice::connectToService(const QString &uuid)
{
QLowEnergyService *service = nullptr;
for (QLowEnergyService *s: std::as_const(m_services)) {
if (s->serviceUuid().toString() == uuid) {
service = s;
break;
}
}
if (!service)
return;
if (service->state() == QLowEnergyService::RemoteService) {
connect(service, &QLowEnergyService::stateChanged, this, &CameraDevice::serviceDetailsDiscovered);
service->discoverDetails(QLowEnergyService::FullDiscovery); //xxx QLowEnergyService::FullDiscovery / SkipValueDiscovery
} else if (service->state() == QLowEnergyService::RemoteServiceDiscovered) {
serviceDetailsDiscovered(QLowEnergyService::RemoteServiceDiscovered);
} else {
qWarning() << "connectToService" << service->state();
}
}
void CameraDevice::deviceConnected()
{
qDebug() << "Connected, discovering services";
m_connected = true;
m_controller->discoverServices();
emit connectedChanged();
m_name=m_currentDevice->name();
emit nameChanged();
}
void CameraDevice::errorReceived(QLowEnergyController::Error error)
{
switch (error) {
case QLowEnergyController::RemoteHostClosedError:
deviceDisconnected();
break;
case QLowEnergyController::ConnectionError:
emit connectionFailure();
break;
default:
qDebug() << "errorReceived" << error << m_controller->errorString();
}
}
void CameraDevice::disconnectFromDevice()
{
qDebug() << "State is " << m_controller->state();
if (m_controller->state() != QLowEnergyController::UnconnectedState) {
qDebug() << "Disconnecting from device";
m_controller->disconnectFromDevice();
} else {
qDebug() << "Not connected ?";
deviceDisconnected();
}
}
bool CameraDevice::setCameraName(const QString name)
{
return writeCameraName(name);
}
void CameraDevice::deviceDisconnected()
{
qWarning() << "Disconnect from device";
if (m_cameraOutgoing) {
delete m_cameraOutgoing;
m_cameraOutgoing=nullptr;
}
m_name="";
emit nameChanged();
m_connected=false;
emit connectedChanged();
emit disconnected();
}
void CameraDevice::serviceDetailsDiscovered(QLowEnergyService::ServiceState newState)
{
qDebug() << "serviceDetailsDiscovered" << newState;
auto service = qobject_cast<QLowEnergyService *>(sender());
if (!service) {
qDebug() << "... invalid service?";
qDebug() << "State is " << m_controller->state();
return;
}
if (service->state()==QLowEnergyService::RemoteServiceDiscovering) {
const QList<QLowEnergyCharacteristic> chars = service->characteristics();
qDebug() << "Service: " << service->serviceName() << service->serviceUuid() << chars.size();
for (const QLowEnergyCharacteristic &ch : chars) {
qDebug() << "QLowEnergyCharacteristic" << ch.uuid() << ch.value() << ch.value().size() << ch.value().toHex(':');
}
return;
}
if (service->state()==QLowEnergyService::InvalidService) {
qDebug() << "Invalid service, disconnected from device ?";
qDebug() << "State is " << m_controller->state();
return;
}
const QList<QLowEnergyCharacteristic> chars = service->characteristics();
qDebug() << "Service: " << service->serviceName() << service->serviceUuid();
connect(service, &QLowEnergyService::stateChanged, this, &CameraDevice::serviceStateChanged);
connect(service, &QLowEnergyService::characteristicChanged, this, &CameraDevice::characteristicChanged);
connect(service, &QLowEnergyService::descriptorWritten, this, &CameraDevice::confirmedDescriptorWrite);
m_cameraService=service;
for (const QLowEnergyCharacteristic &ch : chars) {
qDebug() << "QLowEnergyCharacteristic" << ch.uuid() << ch.value() << ch.value().size() << ch.value().toHex(':');
QLowEnergyDescriptor desc = ch.descriptor(QBluetoothUuid::DescriptorType::ClientCharacteristicConfiguration);
if (ch.uuid()==OutgoingCameraControl) {
qDebug() << "Found OutgoingCameraControl!";
m_cameraOutgoing=new QLowEnergyCharacteristic(ch);
} else if (ch.uuid()==DeviceName) {
qDebug() << "Found DeviceName!";
m_cameraName=new QLowEnergyCharacteristic(ch);
} else if (ch.uuid()==CameraStatus) {
// XXX: Seems under Windows we get the value already here and it won't update later from a notification ?
if (!ch.value().isNull()) {
m_status=ch.value().at(0);
qDebug() << "CameraStatus" << m_status;
emit statusChanged();
}
} else {
qDebug() << "Unhandled" << ch.uuid();
}
uint permission = ch.properties();
if ((permission & QLowEnergyCharacteristic::Notify)) {
qDebug() << "Enabling notifications for " << ch.uuid() << ch.value().toHex(':');
service->writeDescriptor(desc, QLowEnergyCharacteristic::CCCDEnableNotification);
} else if (permission & QLowEnergyCharacteristic::Indicate) {
qDebug() << "Enabling indications for " << ch.uuid() << ch.value().toHex(':');
service->writeDescriptor(desc, QLowEnergyCharacteristic::CCCDEnableIndication);
} else if (permission & QLowEnergyCharacteristic::Write) {
qDebug() << "WriteCharacteristics" << ch.uuid();
}
}
}
/**
* @brief CameraDevice::handleLensData
* @param data
*/
void CameraDevice::handleLensData(const QByteArray &data)
{
uint16_t v;
switch (data.at(5)) {
case 0: // Focus
v = CutePocket::uint16at(data, 8);
qDebug() << "Focus norm" <<v << data.toHex(':');
break;
case 1:
qDebug() << "AutoFocus triggered" << data.toHex(':');
emit autoFocusTriggered();
break;
case 2: // Aperture f-stop
{
uint16_t v = CutePocket::uint16at(data, 8);
m_aperture = sqrt(pow(2.0f, ((double)(v) / 2048.0f)));
qDebug() << "Aperture raw" << data.toHex(':') << v << m_aperture;
m_aperture=round(m_aperture*10.0f)/10.0f;
qDebug() << "Rounded"<< m_aperture;
emit apertureChanged();
}
break;
case 3: // Aperture normalized
v = CutePocket::uint16at(data, 8); // data[8] + (data[9] << 8);
qDebug() << "Aperture norm" << data.toHex(':') << v;
m_aperture_norm=v;
break;
case 6:
qDebug() << "OIS" << data.toHex(':');
break;
case 7: // Zoom mm
m_zoom = CutePocket::uint16at(data, 8);
emit zoomChanged();
qDebug() << "Zoom" << data.toHex(':') << m_zoom;
break;
case 8: // Zoom normalized
v = CutePocket::uint16at(data, 8);
qDebug() << "Zoom normalized" << v << data.toHex(':');
break;
case 9: // Zoom continuous
qDebug() << "Zooming" << data.toHex(':');
break;
default:
qDebug() << "Unknown lens data" << data.toHex(':') << data.toStdString();
}
}
/**
* @brief CameraDevice::handleVideoData
* @param data
*/
void CameraDevice::handleVideoData(const QByteArray &data)
{
switch (data.at(5)) {
case 0: // Video mode
qDebug() << "Mode" << data.toHex(':');
break;
case 2: // WB
m_wb=CutePocket::int16at(data, 8);
m_tint=CutePocket::int16at(data, 10);
qDebug() << "WB" << data.toHex(':') << m_wb << m_tint;
emit wbChanged();
emit tintChanged();
break;
case 3:
qDebug() << "AutoWB Triggered";
break;
case 4:
qDebug() << "AutoWB Restored";
break;
case 5:
m_exposure=CutePocket::int32at(data, 8);
qDebug() << "Exposure" << data.toHex(':') << m_exposure;
break;
case 7:
qDebug() << "DRM" << data.toHex(':');
break;
case 8:
qDebug() << "Sharpening" << data.toHex(':');
break;
case 9:
qDebug() << "Format" << data.toHex(':');
break;
case 10:
m_autoExposureMode=data.at(8);
qDebug() << "AutoExposureMode" << m_autoExposureMode;
break;
case 11:
qDebug() << "Shutter Angle" << data.toHex(':');
break;
case 12:
qDebug() << "Shutter speed" << data.toHex(':');
m_shutterSpeed=CutePocket::int32at(data, 8);
emit shutterSpeedChanged();
break;
case 13:
qDebug() << "Gain" << data.toHex(':');
break;
case 14:
m_iso=CutePocket::int32at(data, 8);
qDebug() << "ISO" << data.toHex(':') << m_iso;
emit isoChanged();
break;
case 15:
qDebug() << "LUT" << data.toHex(':');
break;
case 16:
qDebug() << "ND" << data.toHex(':');
break;
default:
qDebug() << "Unknown video data" << data.toHex(':') << data.toStdString();
}
}
/**
* @brief CameraDevice::handleAudioData
* @param data
*/
void CameraDevice::handleAudioData(const QByteArray &data)
{
switch (data.at(5)) {
case 1:
qDebug() << "Headphone level" << data.toHex(':');
break;
case 2:
qDebug() << "Headphone program mix" << data.toHex(':');
break;
case 3:
qDebug() << "Input type" << data.toHex(':');
break;
case 4:
qDebug() << "Input levels" << data.toHex(':');
break;
case 6:
qDebug() << "Phantom power" << data.toHex(':');
break;
default:
qDebug() << "Unknown audio data" << data.toHex(':') << data.toStdString();
}
}
/**
* @brief CameraDevice::handleOutputData
* @param data
*/
void CameraDevice::handleOutputData(const QByteArray &data)
{
qDebug() << "Unknown output data" << data.toHex(':') << data.toStdString();
}
/**
* @brief CameraDevice::handleMediaData
* @param data
*/
void CameraDevice::handleMediaData(const QByteArray &data)
{
switch (data.at(5)) {
case 0: // Codec
qDebug() << "Codec" << data.toHex(':');
m_codec=data.at(8);
m_codec_variant=data.at(9);
break;
case 1: // Transport mode
qDebug() << "Mode" << data.toHex(':');
m_recording=data.at(8)==2 ? true : false;
emit recordingChanged();
m_playing=data.at(8)==1 ? true : false;
emit playingChanged();
m_media_speed=data.at(9);
m_media_slot_1=data.at(10);
m_media_slot_2=data.at(11);
qDebug() << "Media" << m_media_speed << m_media_slot_1 << m_media_slot_2;
break;
case 2: // Playback
qDebug() << "Playback" << data.toHex(':');
break;
case 3:
qDebug() << "Capture" << data.toHex(':');
break;
default:
qDebug() << "Unknown video data" << data.toHex(':') << data.toStdString();
}
}
/**
* @brief CameraDevice::handleDisplayData
* @param data
*/
void CameraDevice::handleDisplayData(const QByteArray &data)
{
switch (data.at(5)) {
case 0:
qDebug() << "Brightness" << data.toHex(':');
break;
case 1:
qDebug() << "Exposure and focus tools" << data.toHex(':');
break;
case 2:
qDebug() << "Zebra level" << data.toHex(':');
break;
case 3:
qDebug() << "Peaking level" << data.toHex(':');
break;
case 4:
qDebug() << "Color bar" << data.toHex(':');
break;
case 5:
qDebug() << "Focus assist" << data.toHex(':');
break;
case 6:
qDebug() << "Return feed" << data.toHex(':');
break;
case 7:
qDebug() << "Time display (?)" << data.toHex(':');
m_timecodeDisplay=data.at(8)==1 ? true : false;
emit timecodeDisplayChanged();
break;
default:
qDebug() << "handleDisplayData" << data.toHex(':');
}
}
/**
* @brief CameraDevice::handleTallyData
* @param data
*/
void CameraDevice::handleTallyData(const QByteArray &data)
{
qDebug() << "handleTallyData" << data.toHex(':');
}
/**
* @brief CameraDevice::handleReferenceData
* @param data
*/
void CameraDevice::handleReferenceData(const QByteArray &data)
{
switch (data.at(5)) {
case 0:
qDebug() << "Reference source" << data.toHex(':');
break;
case 1:
qDebug() << "Reference offset" << data.toHex(':');
break;
default:
qDebug() << "handleReferenceData" << data.toHex(':');
}
}
/**
* @brief CameraDevice::handleConfigData
* @param data
*/
void CameraDevice::handleConfigData(const QByteArray &data)
{
qDebug() << "handleConfigData" << data.toHex(':');
}
/**
* @brief CameraDevice::handleColorData
* @param data
*/
void CameraDevice::handleColorData(const QByteArray &data)
{
double r,g,b,l;
uint16_t v;
qDebug() << "handleColorData" << data.toHex(':');
switch (data.at(5)) {
case 0: // Lift
v = CutePocket::uint16at(data, 8);
r = sqrt(pow(2.0f, ((double)(v) / 2048.0f)));
v = CutePocket::uint16at(data, 8);
g = sqrt(pow(2.0f, ((double)(v) / 2048.0f)));
v = CutePocket::uint16at(data, 8);
b = sqrt(pow(2.0f, ((double)(v) / 2048.0f)));
v = CutePocket::uint16at(data, 8);
l = sqrt(pow(2.0f, ((double)(v) / 2048.0f)));
qDebug() << "lift" << r << g << b << l;
break;
}
}
/**
* @brief CameraDevice::handleStatusData
* @param data
*/
void CameraDevice::handleStatusData(const QByteArray &data)
{
switch (data.at(5)) {
case 0: // ?
{
uint8_t ticker=data.at(8);
uint8_t charge=data.at(9);
uint8_t power=data.at(12); // 1b=ac/psu, 0b=volt/psu, 19=volt/battery, 09=no/psu
qDebug() << "Status" << ticker << power << charge << data.toHex(':');
}
break;
case 1: // USB-C attach + size ?
break;
case 2: // Time left?
break;
default:
qDebug() << "handleStatusData" << data.toHex(':');
}
}
/**
* @brief CameraDevice::handleMetaData
* @param data
*/
void CameraDevice::handleMetaData(const QByteArray &data)
{
QString str;
qDebug() << "handleMetaData" << data.toHex(':');
switch (data.at(5)) {
case 0: // Reel
break;
case 1: // Scene tags
break;
case 2: // Scene
m_meta_scene=data.mid(8);
break;
case 3: // Take
m_meta_take_number=data.at(8);
emit metaTakeNumberChanged();
m_meta_take_tags=data.at(9);
break;
case 4:
break;
case 5: // ID
m_meta_camera_id=data.mid(8);
emit metaCameraIDChanged();
break;
case 6: // Operator
m_meta_camera_operator=data.mid(8);
emit metaCameraOperatorChanged();
break;
case 7: // Director
m_meta_director=data.mid(8);
emit metaDirectorChanged();
break;
case 8: // Name
m_meta_project_name=data.mid(8);
emit metaProjectNameChanged();
break;
case 9: // Lens type
m_meta_lens_type=data.mid(8);
emit metaLensTypeChanged();
break;
case 10: // Iris
m_meta_lens_iris=data.mid(8);
emit metaLensIrisChanged();
break;
case 11: // Focal length
m_meta_lens_focal=data.mid(8);
emit metaLensFocalChanged();
break;
case 12: // Distance
m_meta_lens_distance=data.mid(8);
emit metaLensDistanceChanged();
break;
case 13: // Filter
m_meta_lens_filter=data.mid(8);
emit metaLensFilterChanged();
break;
case 14: // Slate mode
m_meta_slate_mode=data.at(8);
emit metaSlateModeChanged();
break;
case 15: // Slate target
m_meta_slate_target=data.mid(8);
emit metaSlateTargetChanged();
break;
}
}
static int bcdtoint(uint8_t v) { return v-6*(v >> 4); }
void CameraDevice::characteristicChanged(QLowEnergyCharacteristic characteristic, QByteArray value)
{
//qDebug() << "characteristicChanged" << characteristic.name() << characteristic.uuid() << value.toHex(':');
if (characteristic.uuid()==Timecode) {
uint8_t h,m,s,f;
h=value.at(11);
m=value.at(10);
s=value.at(9);
f=value.at(8);
m_timecode.setHMS(bcdtoint(h),bcdtoint(m), bcdtoint(s) ,bcdtoint(f));
emit timecodeChanged();
} else if (characteristic.uuid()==IncomingCameraControl && (quint8)value[0]==255) {
switch (value.at(4)) {
case 0: // Lens
handleLensData(value);
break;
case 1: // Video
handleVideoData(value);
break;
case 2: // Audio
handleAudioData(value);
break;
case 3: // Output
handleOutputData(value);
break;
case 4: // Display
handleDisplayData(value);
break;
case 5: // Tally
handleTallyData(value);
break;
case 6: // Reference
handleReferenceData(value);
break;
case 7: // Config
handleConfigData(value);
break;
case 8: // Color correction
handleColorData(value);
break;
case 9: // Undocumented, status/power related ?
handleStatusData(value);
break;
case 10: // Media
handleMediaData(value);
break;
case 11: // PTZ
// handlePTZData(value);
break;
case 12: // Metadata
handleMetaData(value);
break;
}
} else if (characteristic.uuid()==CameraStatus) {
m_status=value.at(0);
qDebug() << "CameraStatus" << value.toHex(':') << m_status;
emit statusChanged();
}
}
void CameraDevice::serviceStateChanged(QLowEnergyService::ServiceState s)
{
qDebug() << "serviceStateChanged" << s;
}
void CameraDevice::confirmedDescriptorWrite(const QLowEnergyDescriptor &d, const QByteArray &value)
{
qDebug() << "confirmedDescriptorWrite" << d.name() << d.uuid() << value;
}
bool CameraDevice::isConnected() const
{
return m_connected;
}
bool CameraDevice::hasControllerError() const
{
return (m_controller && m_controller->error() != QLowEnergyController::NoError);
}
bool CameraDevice::writeCameraCommand(const QByteArray &cmd)
{
if (!m_controller) {
qWarning("No controller!");
return false;
}
//if (controller->state()!=QLowEnergyController::DiscoveredState) {
// qWarning() << "Not connected" << controller->state();
// return false;
//}
if (!m_cameraService) {
qWarning("Camera service not available");
return false;
}
if (!m_cameraOutgoing) {
qWarning("Camera descriptor not available");
return false;
}
if (!m_cameraOutgoing->isValid())
qWarning("Camera descriptor is not valid ?");
if (cmd.length()>64) {
qWarning("Command too large");
return false;
}
if (cmd.length() % 4 !=0 ) {
qWarning("Command must be aligned by 4 bytes");
return false;
}
qDebug() << "cmd" << cmd.toHex(':');
m_cameraService->writeCharacteristic(*m_cameraOutgoing, cmd);
return true;
}
bool CameraDevice::writeCameraName(const QString &name)
{
if (!m_controller) {
qWarning("No controller!");
return false;
}
if (!m_cameraService) {
qWarning("Camera service not available");
return false;
}
if (!m_cameraName) {
qWarning("Camera name descriptor not available");
return false;
}
if (!m_cameraName->isValid())
qWarning("Camera name descriptor is not valid ?");
if (name.length()>32) {
qWarning("Name too long");
return false;
}
m_cameraService->writeCharacteristic(*m_cameraName, name.toLocal8Bit());
return true;
}
bool CameraDevice::autoFocus()
{
QByteArray cmd(8, 0);
cmd[0]=0xff; // Destination
cmd[1]=0x04; // Length
cmd[2]=0x00; // Command ID
cmd[3]=0x00; // Reserved = 0
cmd[4]=0x00; // Category
cmd[5]=0x01; // Param
cmd[6]=0x00; // Type
cmd[7]=0x00; // Operation
return writeCameraCommand(cmd);
}
bool CameraDevice::focus(qint16 focus, bool relative)
{
if (focus < -2048 && focus > 2048)
return false;
// https://github.com/schoolpost/BlueMagic32/issues/5#issuecomment-731750648
// https://forum.blackmagicdesign.com/viewtopic.php?f=12&t=139745&p=752492&hilit=relative+focus#p752492
// https://forum.blackmagicdesign.com/viewtopic.php?f=12&t=119495&p=656983&hilit=relative+focus#p656983
QByteArray cmd(12, 0);
cmd[0]=0xff; // Destination
cmd[1]=0x08; // Length
cmd[4]=0x00; // Category
cmd[5]=0x00; // Param
cmd[6]=0x80;
cmd[7]=relative ? 0x01 : 0x00; // 0=Absolute MFT, 1=Relative EF
cmd[8]=focus & 0xff;
cmd[9]=(focus >> 8);
return writeCameraCommand(cmd);
}
bool CameraDevice::autoAperture()
{
QByteArray cmd(8, 0);
cmd[0]=0xff; // Destination
cmd[1]=0x04; // Length
cmd[4]=0x00; // Category
cmd[5]=0x05; // Param
return writeCameraCommand(cmd);
}
bool CameraDevice::zoom(double zoom)
{
if (zoom < 0.0f && zoom > 1.0f)
return false;
QByteArray cmd(12, 0);
cmd[0]=0xff; // Destination
cmd[1]=0x08; // Length
cmd[4]=0x00; // Category
cmd[5]=0x08; // Normalized zoom 0-1
cmd[6]=0x80;
cmd[7]=0x00;
qint16 v=mapf(zoom, 0, 1.0, 0, 2047.0);
cmd[8]=v & 0xff;
cmd[9]=(v >> 8);
return writeCameraCommand(cmd);
}
bool CameraDevice::autoWhitebalance()
{
QByteArray cmd(8, 0);
cmd[0]=0xff; // Destination
cmd[1]=0x04; // Length
cmd[4]=0x01; // Category
cmd[5]=0x03; // Param
return writeCameraCommand(cmd);
}
bool CameraDevice::restoreAutoWhiteBalance()
{
QByteArray cmd(8, 0);
cmd[0]=0xff; // Destination
cmd[1]=0x04; // Length
cmd[4]=0x01; // Category
cmd[5]=0x04; // Param
return writeCameraCommand(cmd);
}
bool CameraDevice::setShutterSpeed(qint32 shutter)
{
if (shutter < 24 && shutter > 5000)
return false;
QByteArray cmd(12, 0);
cmd[0]=0xff; // Destination
cmd[1]=0x08; // Length
cmd[4]=0x01; // Category
cmd[5]=0x0C; // Param
cmd[6]=0x02;
cmd[8]=shutter & 0xff;
cmd[9]=(shutter >> 8);
return writeCameraCommand(cmd);
}
bool CameraDevice::setISO(qint32 is)
{
if (is < 100 && is > 25600)
return false;
QByteArray cmd(12, 0);
cmd[0]=0xff; // Destination
cmd[1]=0x08; // Length
cmd[4]=0x01; // Category
cmd[5]=0x0E; // Param
cmd[6]=0x03;
cmd[8]=is & 0xff;
cmd[9]=(is >> 8);
cmd[10]=(is >> 16);
cmd[11]=(is >> 24);
return writeCameraCommand(cmd);
}
bool CameraDevice::setAperture(double ap)
{
double f;
if (ap < 1.0 && ap > 22.0)
return false;
f=ap*ap;
f=log2(f);
qDebug() << "AP" << ap << f;
quint16 m=float2fix(f);
QByteArray cmd(12, 0);
cmd[0]=0xff; // Destination
cmd[1]=0x08; // Length
cmd[4]=0x00; // Category
cmd[5]=0x02; // Param
cmd[6]=0x80;
cmd[8]=m & 0xff;
cmd[9]=(m >> 8);