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39 
40 #include <QtMultimedia/private/qtmultimediaglobal_p.h>
41 #include "camerabinservice.h"
42 #include "camerabinsession.h"
43 #include "camerabinrecorder.h"
44 #include "camerabincontainer.h"
45 #include "camerabinaudioencoder.h"
46 #include "camerabinvideoencoder.h"
47 #include "camerabinimageencoder.h"
48 #include "camerabincontrol.h"
49 #include "camerabinmetadata.h"
50 #include "camerabininfocontrol.h"
51 
52 #if QT_CONFIG(gstreamer_photography)
53 #include "camerabinexposure.h"
54 #include "camerabinflash.h"
55 #include "camerabinfocus.h"
56 #include "camerabinlocks.h"
57 #endif
58 
59 #include "camerabinimagecapture.h"
60 #include "camerabinimageprocessing.h"
61 #include "camerabincapturebufferformat.h"
62 #include "camerabincapturedestination.h"
63 #include "camerabinviewfindersettings.h"
64 #include "camerabinviewfindersettings2.h"
65 #include "camerabinzoom.h"
66 #include <private/qgstreamerbushelper_p.h>
67 #include <private/qgstutils_p.h>
68 
69 #include <private/qgstreameraudioinputselector_p.h>
70 #include <private/qgstreamervideoinputdevicecontrol_p.h>
71 
72 #if defined(HAVE_WIDGETS)
73 #include <private/qgstreamervideowidget_p.h>
74 #endif
75 #include <private/qgstreamervideowindow_p.h>
76 #include <private/qgstreamervideorenderer_p.h>
77 #include <private/qmediaserviceprovider_p.h>
78 
79 #include <QtCore/qdebug.h>
80 
81 QT_BEGIN_NAMESPACE
82 
CameraBinService(GstElementFactory * sourceFactory,QObject * parent)83 CameraBinService::CameraBinService(GstElementFactory *sourceFactory, QObject *parent):
84     QMediaService(parent),
85     m_cameraInfoControl(0),
86     m_viewfinderSettingsControl(0),
87     m_viewfinderSettingsControl2(0)
88 {
89     m_captureSession = 0;
90     m_metaDataControl = 0;
91 
92     m_audioInputSelector = 0;
93     m_videoInputDevice = 0;
94 
95     m_videoOutput = 0;
96     m_videoRenderer = 0;
97     m_videoWindow = 0;
98 #if defined(HAVE_WIDGETS)
99     m_videoWidgetControl = 0;
100 #endif
101     m_imageCaptureControl = 0;
102 
103     m_captureSession = new CameraBinSession(sourceFactory, this);
104     m_videoInputDevice = new QGstreamerVideoInputDeviceControl(sourceFactory, m_captureSession);
105     m_imageCaptureControl = new CameraBinImageCapture(m_captureSession);
106 
107     connect(m_videoInputDevice, SIGNAL(selectedDeviceChanged(QString)),
108             m_captureSession, SLOT(setDevice(QString)));
109 
110     if (m_videoInputDevice->deviceCount())
111         m_captureSession->setDevice(m_videoInputDevice->deviceName(m_videoInputDevice->selectedDevice()));
112 
113     m_videoRenderer = new QGstreamerVideoRenderer(this);
114 
115     m_videoWindow = new QGstreamerVideoWindow(this);
116     // If the GStreamer video sink is not available, don't provide the video window control since
117     // it won't work anyway.
118     if (!m_videoWindow->videoSink()) {
119         delete m_videoWindow;
120         m_videoWindow = 0;
121     }
122 #if defined(HAVE_WIDGETS)
123     m_videoWidgetControl = new QGstreamerVideoWidgetControl(this);
124 
125     // If the GStreamer video sink is not available, don't provide the video widget control since
126     // it won't work anyway. QVideoWidget will fall back to QVideoRendererControl in that case.
127     if (!m_videoWidgetControl->videoSink()) {
128         delete m_videoWidgetControl;
129         m_videoWidgetControl = 0;
130     }
131 #endif
132 
133     m_audioInputSelector = new QGstreamerAudioInputSelector(this);
134     connect(m_audioInputSelector, SIGNAL(activeInputChanged(QString)), m_captureSession, SLOT(setCaptureDevice(QString)));
135 
136     if (m_captureSession && m_audioInputSelector->availableInputs().size() > 0)
137         m_captureSession->setCaptureDevice(m_audioInputSelector->defaultInput());
138 
139     m_metaDataControl = new CameraBinMetaData(this);
140     connect(m_metaDataControl, SIGNAL(metaDataChanged(QMap<QByteArray,QVariant>)),
141             m_captureSession, SLOT(setMetaData(QMap<QByteArray,QVariant>)));
142 }
143 
~CameraBinService()144 CameraBinService::~CameraBinService()
145 {
146 }
147 
requestControl(const char * name)148 QMediaControl *CameraBinService::requestControl(const char *name)
149 {
150     if (!m_captureSession)
151         return 0;
152 
153     if (!m_videoOutput) {
154         if (qstrcmp(name, QVideoRendererControl_iid) == 0) {
155             m_videoOutput = m_videoRenderer;
156         } else if (qstrcmp(name, QVideoWindowControl_iid) == 0) {
157             m_videoOutput = m_videoWindow;
158         }
159 #if defined(HAVE_WIDGETS)
160         else if (qstrcmp(name, QVideoWidgetControl_iid) == 0) {
161             m_videoOutput = m_videoWidgetControl;
162         }
163 #endif
164 
165         if (m_videoOutput) {
166             m_captureSession->setViewfinder(m_videoOutput);
167             return m_videoOutput;
168         }
169     }
170 
171     if (qstrcmp(name, QMediaVideoProbeControl_iid) == 0)
172         return m_captureSession->videoProbe();
173 
174     if (qstrcmp(name,QAudioInputSelectorControl_iid) == 0)
175         return m_audioInputSelector;
176 
177     if (qstrcmp(name,QVideoDeviceSelectorControl_iid) == 0)
178         return m_videoInputDevice;
179 
180     if (qstrcmp(name,QMediaRecorderControl_iid) == 0)
181         return m_captureSession->recorderControl();
182 
183     if (qstrcmp(name,QAudioEncoderSettingsControl_iid) == 0)
184         return m_captureSession->audioEncodeControl();
185 
186     if (qstrcmp(name,QVideoEncoderSettingsControl_iid) == 0)
187         return m_captureSession->videoEncodeControl();
188 
189     if (qstrcmp(name,QImageEncoderControl_iid) == 0)
190         return m_captureSession->imageEncodeControl();
191 
192 
193     if (qstrcmp(name,QMediaContainerControl_iid) == 0)
194         return m_captureSession->mediaContainerControl();
195 
196     if (qstrcmp(name,QCameraControl_iid) == 0)
197         return m_captureSession->cameraControl();
198 
199     if (qstrcmp(name,QMetaDataWriterControl_iid) == 0)
200         return m_metaDataControl;
201 
202     if (qstrcmp(name, QCameraImageCaptureControl_iid) == 0)
203         return m_imageCaptureControl;
204 
205 #if QT_CONFIG(gstreamer_photography)
206     if (qstrcmp(name, QCameraExposureControl_iid) == 0)
207         return m_captureSession->cameraExposureControl();
208 
209     if (qstrcmp(name, QCameraFlashControl_iid) == 0)
210         return m_captureSession->cameraFlashControl();
211 
212     if (qstrcmp(name, QCameraFocusControl_iid) == 0)
213         return m_captureSession->cameraFocusControl();
214 
215     if (qstrcmp(name, QCameraLocksControl_iid) == 0)
216         return m_captureSession->cameraLocksControl();
217 #endif
218 
219     if (qstrcmp(name, QCameraZoomControl_iid) == 0)
220         return m_captureSession->cameraZoomControl();
221 
222     if (qstrcmp(name, QCameraImageProcessingControl_iid) == 0)
223         return m_captureSession->imageProcessingControl();
224 
225     if (qstrcmp(name, QCameraCaptureDestinationControl_iid) == 0)
226         return m_captureSession->captureDestinationControl();
227 
228     if (qstrcmp(name, QCameraCaptureBufferFormatControl_iid) == 0)
229         return m_captureSession->captureBufferFormatControl();
230 
231     if (qstrcmp(name, QCameraViewfinderSettingsControl_iid) == 0) {
232         if (!m_viewfinderSettingsControl)
233             m_viewfinderSettingsControl = new CameraBinViewfinderSettings(m_captureSession);
234         return m_viewfinderSettingsControl;
235     }
236 
237     if (qstrcmp(name, QCameraViewfinderSettingsControl2_iid) == 0) {
238         if (!m_viewfinderSettingsControl2)
239             m_viewfinderSettingsControl2 = new CameraBinViewfinderSettings2(m_captureSession);
240         return m_viewfinderSettingsControl2;
241     }
242 
243     if (qstrcmp(name, QCameraInfoControl_iid) == 0) {
244         if (!m_cameraInfoControl)
245             m_cameraInfoControl = new CameraBinInfoControl(m_captureSession->sourceFactory(), this);
246         return m_cameraInfoControl;
247     }
248 
249     return 0;
250 }
251 
releaseControl(QMediaControl * control)252 void CameraBinService::releaseControl(QMediaControl *control)
253 {
254     if (control && control == m_videoOutput) {
255         m_videoOutput = 0;
256         m_captureSession->setViewfinder(0);
257     }
258 }
259 
isCameraBinAvailable()260 bool CameraBinService::isCameraBinAvailable()
261 {
262     GstElementFactory *factory = gst_element_factory_find(QT_GSTREAMER_CAMERABIN_ELEMENT_NAME);
263     if (factory) {
264         gst_object_unref(GST_OBJECT(factory));
265         return true;
266     }
267 
268     return false;
269 }
270 
271 QT_END_NAMESPACE
272