2 * This file is part of the libsigrokflow project.
4 * Copyright (C) 2018 Martin Ling <martin-sigrok@earth.li>
5 * Copyright (C) 2018 Uwe Hermann <uwe@hermann-uwe.de>
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
23 #include <libsigrokflow/libsigrokflow.hpp>
30 #ifdef HAVE_LIBSIGROKCXX
31 void LegacyOutput::class_init(Gst::ElementClass<LegacyOutput> *klass)
33 klass->set_metadata("sigrok legacy output",
34 "Sink", "Wrapper for outputs using legacy libsigrok APIs",
37 klass->add_pad_template(Gst::PadTemplate::create(
41 Gst::Caps::create_any()));
44 bool LegacyOutput::register_element(Glib::RefPtr<Gst::Plugin> plugin)
46 Gst::ElementFactory::register_element(plugin, "sigrok_legacy_output",
47 0, Gst::register_mm_type<LegacyOutput>(
48 "sigrok_legacy_output"));
53 LegacyOutput::LegacyOutput(GstBaseSink *gobj) :
54 Glib::ObjectBase(typeid(LegacyOutput)),
59 Glib::RefPtr<LegacyOutput>LegacyOutput::create(
60 shared_ptr<sigrok::OutputFormat> libsigrok_output_format,
61 shared_ptr<sigrok::Device> libsigrok_device,
62 map<string, Glib::VariantBase> options)
64 auto element = Gst::ElementFactory::create_element("sigrok_legacy_output");
66 throw runtime_error("Failed to create element - plugin not registered?");
67 auto output = Glib::RefPtr<LegacyOutput>::cast_static(element);
68 output->libsigrok_output_format_ = libsigrok_output_format;
69 output->libsigrok_device_ = libsigrok_device;
70 output->options_ = options;
75 bool LegacyOutput::start_vfunc()
77 libsigrok_output_ = libsigrok_output_format_->create_output(
78 libsigrok_device_, options_);
83 Gst::FlowReturn LegacyOutput::render_vfunc(const Glib::RefPtr<Gst::Buffer> &buffer)
86 buffer->map(info, Gst::MAP_READ);
87 auto context = libsigrok_output_format_->parent();
88 auto packet = context->create_logic_packet(
89 info.get_data(), info.get_size(), 2);
90 auto result = libsigrok_output_->receive(packet);
97 bool LegacyOutput::stop_vfunc()
99 auto context = libsigrok_output_format_->parent();
100 auto end_packet = context->create_end_packet();
101 auto result = libsigrok_output_->receive(end_packet);