2 * This file is part of the libsigrokflow project.
4 * Copyright (C) 2018 Uwe Hermann <uwe@hermann-uwe.de>
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 #ifndef LIBSIGROKFLOW_LIBSIGROKFLOW_HPP
21 #define LIBSIGROKFLOW_LIBSIGROKFLOW_HPP
23 #include <gstreamermm.h>
24 #include <libsigrokcxx/libsigrokcxx.hpp>
35 /* Config API etc goes here */
41 /* Operations specific to sigrok GStreamer blocks go here. */
43 explicit GstBlock(GstElement *gobj);
49 /* Operations specific to hardware devices go here */
51 explicit Device(GstElement *gobj);
57 /* Operations specific to capture (source) devices go here */
59 explicit CaptureDevice(GstElement *gobj);
62 class LegacyCaptureDevice :
66 /* Create from libsigrok device object */
67 static Glib::RefPtr<LegacyCaptureDevice> create(
68 shared_ptr<sigrok::HardwareDevice> libsigrok_device);
70 /* Retrieve libsigrok device object */
71 shared_ptr<sigrok::HardwareDevice> libsigrok_device();
73 /* Override state change */
74 Gst::StateChangeReturn change_state_vfunc(Gst::StateChange transition);
77 static void class_init(Gst::ElementClass<LegacyCaptureDevice> *klass);
79 /* Register class with plugin */
80 static bool register_element(Glib::RefPtr<Gst::Plugin> plugin);
82 /* Construcor used by element factory */
83 explicit LegacyCaptureDevice(GstElement *gobj);
85 shared_ptr<sigrok::HardwareDevice> _libsigrok_device;
86 Glib::RefPtr<Gst::Pad> _src_pad;
87 Glib::Threads::RecMutex _mutex;
88 Glib::RefPtr<Gst::Task> _task;
89 shared_ptr<sigrok::Session> _session;
91 void _datafeed_callback(shared_ptr<sigrok::Device> device,
92 shared_ptr<sigrok::Packet> packet);