1 #include "qtcamdevice.h"
2 #include "qtcamviewfinder.h"
3 #include "qtcamconfig.h"
4 #include "qtcamdevice_p.h"
7 #include "qtcamgstreamermessagelistener.h"
9 #include "qtcamimagemode.h"
10 #include "qtcamvideomode.h"
12 QtCamDevice::QtCamDevice(QtCamConfig *config, const QString& name,
13 const QVariant& id, QObject *parent) :
14 QObject(parent), d_ptr(new QtCamDevicePrivate) {
21 d_ptr->cameraBin = gst_element_factory_make("camerabin2", "QtCameraCameraBin");
22 if (!d_ptr->cameraBin) {
23 qCritical() << "Failed to create camerabin";
27 d_ptr->createAndAddElement(d_ptr->conf->audioSource(), "audio-source", "QtCameraAudioSrc");
28 d_ptr->createAndAddVideoSource();
31 0x00000001 /* no-audio-conversion - Do not use audio conversion elements */
32 | 0x00000002 /* no-video-conversion - Do not use video conversion elements */
33 | 0x00000004 /* no-viewfinder-conversion - Do not use viewfinder conversion elements */
34 | 0x00000008; /* no-image-conversion - Do not use image conversion elements */
36 g_object_set(d_ptr->cameraBin, "flags", flags, NULL);
38 d_ptr->setAudioCaptureCaps();
40 // TODO: audio bitrate
41 // TODO: video bitrate
44 // TODO: custom properties for jifmux, mp4mux, audio encoder, video encoder, sink & video source
45 // color tune, scene modes
46 d_ptr->listener = new QtCamGStreamerMessageListener(gst_element_get_bus(d_ptr->cameraBin),
49 QObject::connect(d_ptr->listener, SIGNAL(error(const QString&, int, const QString&)),
50 this, SLOT(_d_error(const QString&, int, const QString&)));
51 QObject::connect(d_ptr->listener, SIGNAL(started()), this, SIGNAL(started()));
52 QObject::connect(d_ptr->listener, SIGNAL(stopped()), this, SIGNAL(stopped()));
54 g_signal_connect(d_ptr->cameraBin, "notify::idle",
55 G_CALLBACK(QtCamDevicePrivate::on_idle_changed), d_ptr);
57 d_ptr->image = new QtCamImageMode(d_ptr, this);
58 d_ptr->video = new QtCamVideoMode(d_ptr, this);
61 QtCamDevice::~QtCamDevice() {
64 d_ptr->image->deactivate();
65 d_ptr->video->deactivate();
67 delete d_ptr->image; d_ptr->image = 0;
68 delete d_ptr->video; d_ptr->video = 0;
69 delete d_ptr; d_ptr = 0;
72 bool QtCamDevice::setViewfinder(QtCamViewfinder *viewfinder) {
74 qWarning() << "QtCamDevice: pipeline must be stopped before setting a viewfinder";
78 if (d_ptr->viewfinder == viewfinder) {
83 qWarning() << "QtCamDevice: viewfinder cannot be unset.";
87 if (d_ptr->viewfinder) {
88 qWarning() << "QtCamDevice: viewfinder cannot be replaced.";
92 if (!viewfinder->setDevice(this)) {
96 d_ptr->viewfinder = viewfinder;
101 bool QtCamDevice::start() {
103 qWarning() << "Pipeline must be stopped first because of an error.";
107 if (!d_ptr->cameraBin) {
108 qWarning() << "Missing camerabin";
112 if (!d_ptr->viewfinder) {
113 qWarning() << "Viewfinder not set";
121 if (!d_ptr->active) {
122 d_ptr->image->activate();
125 d_ptr->active->applySettings();
129 if (!d_ptr->setViewfinderSink()) {
133 GstStateChangeReturn err = gst_element_set_state(d_ptr->cameraBin, GST_STATE_PLAYING);
134 if (err == GST_STATE_CHANGE_FAILURE) {
135 qWarning() << "Failed to start camera pipeline";
142 bool QtCamDevice::stop() {
143 if (!d_ptr->cameraBin) {
148 gst_element_set_state(d_ptr->cameraBin, GST_STATE_NULL);
149 d_ptr->error = false;
154 gst_element_get_state(d_ptr->cameraBin, &state, 0, GST_CLOCK_TIME_NONE);
156 if (state == GST_STATE_NULL) {
165 // First we go to ready:
166 GstStateChangeReturn st = gst_element_set_state(d_ptr->cameraBin, GST_STATE_READY);
167 if (st != GST_STATE_CHANGE_FAILURE) {
169 d_ptr->listener->flushMessages();
173 gst_element_set_state(d_ptr->cameraBin, GST_STATE_NULL);
178 bool QtCamDevice::isRunning() {
179 if (!d_ptr->cameraBin) {
184 GstStateChangeReturn err = gst_element_get_state(d_ptr->cameraBin,
185 &state, 0, GST_CLOCK_TIME_NONE);
187 if (err == GST_STATE_CHANGE_FAILURE || state != GST_STATE_PLAYING) {
194 bool QtCamDevice::isIdle() {
195 if (!d_ptr->cameraBin) {
199 gboolean idle = FALSE;
200 g_object_get(d_ptr->cameraBin, "idle", &idle, NULL);
205 QtCamImageMode *QtCamDevice::imageMode() const {
209 QtCamVideoMode *QtCamDevice::videoMode() const {
213 QtCamMode *QtCamDevice::activeMode() const {
214 return d_ptr->active;
217 QString QtCamDevice::name() const {
221 QVariant QtCamDevice::id() const {
225 QtCamConfig *QtCamDevice::config() const {
229 QtCamGStreamerMessageListener *QtCamDevice::listener() const {
230 return d_ptr->listener;
233 #include "moc_qtcamdevice.cpp"