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Merged in filnet/librepilot/LP-109_video_gadget (pull request #454)
LP-109 video gadget Approved-by: Philippe Renon <[email protected]> Approved-by: Lalanne Laurent <[email protected]> Approved-by: Jan NIJS <[email protected]> Approved-by: Brian Webb <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,83 @@ | ||
| win32:gstreamer { | ||
|
|
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| GST_BIN_DIR = $$system(pkg-config --variable=exec_prefix gstreamer-1.0)/bin | ||
| GST_PLUGINS_DIR = $$system(pkg-config --variable=pluginsdir gstreamer-1.0) | ||
|
|
||
| # gstreamer libraries | ||
| GST_LIBS = \ | ||
| libgstreamer-1.0-0.dll | ||
|
|
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| gstreamer_utilities:GST_LIBS += \ | ||
| gst-inspect-1.0.exe \ | ||
| gst-launch-1.0.exe | ||
|
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| for(lib, GST_LIBS) { | ||
| addCopyFileTarget($${lib},$${GST_BIN_DIR},$${GCS_APP_PATH}) | ||
| addCopyDependenciesTarget($${lib},$${GST_BIN_DIR},$${GCS_APP_PATH}) | ||
| } | ||
|
|
||
| # gstreamer core | ||
| GST_PLUGINS = \ | ||
| libgstcoreelements.dll | ||
|
|
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| # gst-plugins-base | ||
| GST_PLUGINS += \ | ||
| libgstapp.dll \ | ||
| libgstaudiotestsrc.dll \ | ||
| libgstpango.dll \ | ||
| libgstplayback.dll \ | ||
| libgsttcp.dll \ | ||
| libgsttypefindfunctions.dll \ | ||
| libgstvideoconvert.dll \ | ||
| libgstvideorate.dll \ | ||
| libgstvideoscale.dll \ | ||
| libgstvideotestsrc.dll | ||
|
|
||
| # gst-plugins-good | ||
| GST_PLUGINS += \ | ||
| libgstautodetect.dll \ | ||
| libgstavi.dll \ | ||
| libgstdeinterlace.dll \ | ||
| libgstdirectsoundsink.dll \ | ||
| libgstimagefreeze.dll \ | ||
| libgstjpeg.dll \ | ||
| libgstrawparse.dll \ | ||
| libgstrtp.dll \ | ||
| libgstrtpmanager.dll \ | ||
| libgstrtsp.dll \ | ||
| libgstudp.dll \ | ||
| libgstvideomixer.dll | ||
|
|
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| # gst-plugins-bad | ||
| GST_PLUGINS += \ | ||
| libgstaudiovisualizers.dll \ | ||
| libgstautoconvert.dll \ | ||
| libgstcompositor.dll \ | ||
| libgstd3dvideosink.dll \ | ||
| libgstdebugutilsbad.dll \ | ||
| libgstdirectsoundsrc.dll \ | ||
| libgstopengl.dll \ | ||
| libgstinter.dll \ | ||
| libgstmpegpsdemux.dll \ | ||
| libgstmpegpsmux.dll \ | ||
| libgstmpegtsdemux.dll \ | ||
| libgstmpegtsmux.dll \ | ||
| libgstvideoparsersbad.dll \ | ||
| libgstwinks.dll \ | ||
| libgstwinscreencap.dll | ||
|
|
||
| # gst-plugins-ugly | ||
| GST_PLUGINS += \ | ||
| libgstmpeg2dec.dll \ | ||
| libgstx264.dll | ||
|
|
||
| # gst-libav | ||
| GST_PLUGINS += \ | ||
| libgstlibav.dll | ||
|
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| for(lib, GST_PLUGINS) { | ||
| addCopyFileTarget($${lib},$${GST_PLUGINS_DIR},$${GCS_LIBRARY_PATH}/gstreamer-1.0) | ||
| addCopyDependenciesTarget($${lib},$${GST_PLUGINS_DIR},$${GCS_APP_PATH}) | ||
| } | ||
|
|
||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,136 @@ | ||
| /** | ||
| ****************************************************************************** | ||
| * | ||
| * @file devicemonitor.cpp | ||
| * @author The LibrePilot Project, http://www.librepilot.org Copyright (C) 2017. | ||
| * @brief | ||
| * @see The GNU Public License (GPL) Version 3 | ||
| * @defgroup | ||
| * @{ | ||
| * | ||
| *****************************************************************************/ | ||
| /* | ||
| * This program is free software; you can redistribute it and/or modify | ||
| * it under the terms of the GNU General Public License as published by | ||
| * the Free Software Foundation; either version 3 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * This program is distributed in the hope that it will be useful, but | ||
| * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | ||
| * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| * for more details. | ||
| * | ||
| * You should have received a copy of the GNU General Public License along | ||
| * with this program; if not, write to the Free Software Foundation, Inc., | ||
| * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
| */ | ||
| #include "devicemonitor.h" | ||
|
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| #include "gst_util.h" | ||
|
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| #include <gst/gst.h> | ||
|
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| #include <QDebug> | ||
|
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| static GstBusSyncReply my_bus_sync_func(GstBus *bus, GstMessage *message, gpointer user_data) | ||
| { | ||
| Q_UNUSED(bus) | ||
|
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| DeviceMonitor * dm; | ||
| GstDevice *device; | ||
| gchar *name; | ||
|
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| switch (GST_MESSAGE_TYPE(message)) { | ||
| case GST_MESSAGE_DEVICE_ADDED: | ||
| gst_message_parse_device_added(message, &device); | ||
| name = gst_device_get_display_name(device); | ||
|
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| dm = (DeviceMonitor *)user_data; | ||
| QMetaObject::invokeMethod(dm, "device_added", Qt::QueuedConnection, | ||
| Q_ARG(QString, QString(name))); | ||
|
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| g_free(name); | ||
| break; | ||
| case GST_MESSAGE_DEVICE_REMOVED: | ||
| gst_message_parse_device_removed(message, &device); | ||
| name = gst_device_get_display_name(device); | ||
|
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| dm = (DeviceMonitor *)user_data; | ||
| QMetaObject::invokeMethod(dm, "device_removed", Qt::QueuedConnection, | ||
| Q_ARG(QString, QString(name))); | ||
|
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| g_free(name); | ||
| break; | ||
| default: | ||
| break; | ||
| } | ||
|
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| // no need to pass it to the async queue, there is none... | ||
| return GST_BUS_DROP; | ||
| } | ||
|
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| DeviceMonitor::DeviceMonitor(QObject *parent) : QObject(parent) | ||
| { | ||
| // initialize gstreamer | ||
| gst::init(NULL, NULL); | ||
|
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| monitor = gst_device_monitor_new(); | ||
|
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| GstBus *bus = gst_device_monitor_get_bus(monitor); | ||
| gst_bus_set_sync_handler(bus, (GstBusSyncHandler)my_bus_sync_func, this, NULL); | ||
| gst_object_unref(bus); | ||
|
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| GstCaps *caps = NULL; // gst_caps_new_empty_simple("video/x-raw"); | ||
| const gchar *classes = "Video/Source"; | ||
| gst_device_monitor_add_filter(monitor, classes, caps); | ||
| if (caps) { | ||
| gst_caps_unref(caps); | ||
| } | ||
|
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| if (!gst_device_monitor_start(monitor)) { | ||
| qWarning() << "Failed to start device monitor"; | ||
| } | ||
| } | ||
|
|
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| DeviceMonitor::~DeviceMonitor() | ||
| { | ||
| gst_device_monitor_stop(monitor); | ||
| gst_object_unref(monitor); | ||
| } | ||
|
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| QList<Device> DeviceMonitor::devices() const | ||
| { | ||
| QList<Device> devices; | ||
|
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| GList *list = gst_device_monitor_get_devices(monitor); | ||
| while (list != NULL) { | ||
| gchar *name; | ||
| gchar *device_class; | ||
|
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| GstDevice *device = (GstDevice *)list->data; | ||
| name = gst_device_get_display_name(device); | ||
| device_class = gst_device_get_device_class(device); | ||
|
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| devices << Device(name, device_class); | ||
|
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| g_free(name); | ||
| g_free(device_class); | ||
|
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| gst_object_unref(device); | ||
| list = g_list_remove_link(list, list); | ||
| } | ||
|
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| return devices; | ||
| } | ||
|
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| void DeviceMonitor::device_added(QString name) | ||
| { | ||
| // qDebug() << "**** ADDED:" << name; | ||
| emit deviceAdded(name); | ||
| } | ||
|
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| void DeviceMonitor::device_removed(QString name) | ||
| { | ||
| // qDebug() << "**** REMOVED:" << name; | ||
| emit deviceRemoved(name); | ||
| } |
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