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36801352 UH |
1 | /* |
2 | * This file is part of the libsigrokflow project. | |
3 | * | |
4 | * Copyright (C) 2018 Martin Ling <martin-sigrok@earth.li> | |
5 | * Copyright (C) 2018 Uwe Hermann <uwe@hermann-uwe.de> | |
6 | * | |
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. | |
11 | * | |
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. | |
16 | * | |
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/>. | |
19 | */ | |
20 | ||
21 | #include <config.h> | |
22 | #include <iostream> | |
bf71e84f UH |
23 | #include <libsigrokflow/legacy_output.hpp> |
24 | #include <gstreamermm/private/basesink_p.h> | |
36801352 UH |
25 | |
26 | namespace Srf | |
27 | { | |
28 | ||
29 | using namespace std; | |
30 | ||
31 | #ifdef HAVE_LIBSIGROKCXX | |
32 | void LegacyOutput::class_init(Gst::ElementClass<LegacyOutput> *klass) | |
33 | { | |
34 | klass->set_metadata("sigrok legacy output", | |
35 | "Sink", "Wrapper for outputs using legacy libsigrok APIs", | |
36 | "Martin Ling"); | |
37 | ||
38 | klass->add_pad_template(Gst::PadTemplate::create( | |
39 | "sink", | |
40 | Gst::PAD_SINK, | |
41 | Gst::PAD_ALWAYS, | |
42 | Gst::Caps::create_any())); | |
43 | } | |
44 | ||
45 | bool LegacyOutput::register_element(Glib::RefPtr<Gst::Plugin> plugin) | |
46 | { | |
47 | Gst::ElementFactory::register_element(plugin, "sigrok_legacy_output", | |
48 | 0, Gst::register_mm_type<LegacyOutput>( | |
49 | "sigrok_legacy_output")); | |
50 | ||
51 | return true; | |
52 | } | |
53 | ||
54 | LegacyOutput::LegacyOutput(GstBaseSink *gobj) : | |
55 | Glib::ObjectBase(typeid(LegacyOutput)), | |
56 | Sink(gobj) | |
57 | { | |
58 | } | |
59 | ||
60 | Glib::RefPtr<LegacyOutput>LegacyOutput::create( | |
61 | shared_ptr<sigrok::OutputFormat> libsigrok_output_format, | |
36801352 UH |
62 | map<string, Glib::VariantBase> options) |
63 | { | |
64 | auto element = Gst::ElementFactory::create_element("sigrok_legacy_output"); | |
65 | if (!element) | |
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; | |
107a0d0c ML |
69 | auto context = libsigrok_output_format->parent(); |
70 | output->libsigrok_device_ = context->create_user_device("Vendor", "Model", "Version"); | |
9710a16a ML |
71 | for (int i = 0; i < 8; ++i) { |
72 | gchar *name = g_strdup_printf("D%d", i); | |
73 | output->libsigrok_device_->add_channel(i, sigrok::ChannelType::LOGIC, name); | |
74 | g_free(name); | |
75 | } | |
36801352 UH |
76 | output->options_ = options; |
77 | ||
78 | return output; | |
79 | } | |
80 | ||
81 | bool LegacyOutput::start_vfunc() | |
82 | { | |
83 | libsigrok_output_ = libsigrok_output_format_->create_output( | |
84 | libsigrok_device_, options_); | |
85 | ||
86 | return true; | |
87 | } | |
88 | ||
89 | Gst::FlowReturn LegacyOutput::render_vfunc(const Glib::RefPtr<Gst::Buffer> &buffer) | |
90 | { | |
91 | Gst::MapInfo info; | |
92 | buffer->map(info, Gst::MAP_READ); | |
93 | auto context = libsigrok_output_format_->parent(); | |
94 | auto packet = context->create_logic_packet( | |
95 | info.get_data(), info.get_size(), 2); | |
96 | auto result = libsigrok_output_->receive(packet); | |
97 | cout << result; | |
98 | buffer->unmap(info); | |
99 | ||
100 | return Gst::FLOW_OK; | |
101 | } | |
102 | ||
103 | bool LegacyOutput::stop_vfunc() | |
104 | { | |
105 | auto context = libsigrok_output_format_->parent(); | |
106 | auto end_packet = context->create_end_packet(); | |
107 | auto result = libsigrok_output_->receive(end_packet); | |
108 | cout << result; | |
109 | ||
110 | return true; | |
111 | } | |
112 | #endif | |
113 | ||
114 | } |