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 <gstreamermm/private/element_p.h>
25 #include <gstreamermm/private/basesink_p.h>
26 #include <libsigrokcxx/libsigrokcxx.hpp>
27 #include <libsigrokdecode/libsigrokdecode.h>
38 /* Config API etc goes here */
45 explicit Sink(GstBaseSink *gobj);
51 /* Operations specific to hardware devices go here */
53 explicit Device(GstElement *gobj);
59 /* Operations specific to capture (source) devices go here */
61 explicit CaptureDevice(GstElement *gobj);
64 class LegacyCaptureDevice :
68 /* Create from libsigrok device object */
69 static Glib::RefPtr<LegacyCaptureDevice> create(
70 shared_ptr<sigrok::HardwareDevice> libsigrok_device);
72 /* Retrieve libsigrok device object */
73 shared_ptr<sigrok::HardwareDevice> libsigrok_device();
75 /* Override state change */
76 Gst::StateChangeReturn change_state_vfunc(Gst::StateChange transition);
79 static void class_init(Gst::ElementClass<LegacyCaptureDevice> *klass);
81 /* Register class with plugin */
82 static bool register_element(Glib::RefPtr<Gst::Plugin> plugin);
84 /* Construcor used by element factory */
85 explicit LegacyCaptureDevice(GstElement *gobj);
87 shared_ptr<sigrok::HardwareDevice> _libsigrok_device;
88 Glib::RefPtr<Gst::Pad> _src_pad;
89 Glib::Threads::RecMutex _mutex;
90 Glib::RefPtr<Gst::Task> _task;
91 shared_ptr<sigrok::Session> _session;
93 void _datafeed_callback(shared_ptr<sigrok::Device> device,
94 shared_ptr<sigrok::Packet> packet);
102 /* Create from libsigrok output object */
103 static Glib::RefPtr<LegacyOutput> create(
104 shared_ptr<sigrok::OutputFormat> libsigrok_output_format,
105 shared_ptr<sigrok::Device> libsigrok_device,
106 map<string, Glib::VariantBase> options = map<string, Glib::VariantBase>());
111 /* Override render */
112 Gst::FlowReturn render_vfunc(const Glib::RefPtr<Gst::Buffer> &buffer);
118 static void class_init(Gst::ElementClass<LegacyOutput> *klass);
120 /* Register class with plugin */
121 static bool register_element(Glib::RefPtr<Gst::Plugin> plugin);
123 /* Constructor used by element factory */
124 explicit LegacyOutput(GstBaseSink *gobj);
126 shared_ptr<sigrok::OutputFormat> _libsigrok_output_format;
127 shared_ptr<sigrok::Device> _libsigrok_device;
128 shared_ptr<sigrok::Output> _libsigrok_output;
129 map<string, Glib::VariantBase> _options;
132 class LegacyDecoder :
136 static Glib::RefPtr<LegacyDecoder> create(
137 struct srd_session *libsigrokdecode_session, uint64_t unitsize);
139 /* Retrieve libsigrokdecode session */
140 struct srd_session *libsigrokdecode_session();
145 /* Override render */
146 Gst::FlowReturn render_vfunc(const Glib::RefPtr<Gst::Buffer> &buffer);
152 static void class_init(Gst::ElementClass<LegacyDecoder> *klass);
154 /* Register class with plugin */
155 static bool register_element(Glib::RefPtr<Gst::Plugin> plugin);
157 /* Constructor used by element factory */
158 explicit LegacyDecoder(GstBaseSink *gobj);
160 struct srd_session *_session;