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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 | #ifndef LIBSIGROKFLOW_LIBSIGROKFLOW_HPP | |
22 | #define LIBSIGROKFLOW_LIBSIGROKFLOW_HPP | |
23 | ||
24 | /* Temporary workaround, will be dropped later. */ | |
25 | #define HAVE_LIBSIGROKCXX 1 | |
26 | #define HAVE_LIBSIGROKDECODE 1 | |
27 | ||
28 | #include <gstreamermm.h> | |
29 | #include <gstreamermm/private/element_p.h> | |
30 | #include <gstreamermm/private/basesink_p.h> | |
31 | #ifdef HAVE_LIBSIGROKCXX | |
32 | #include <libsigrokcxx/libsigrokcxx.hpp> | |
33 | #endif | |
34 | #ifdef HAVE_LIBSIGROKDECODE | |
35 | #include <libsigrokdecode/libsigrokdecode.h> | |
36 | #endif | |
37 | ||
38 | namespace Srf | |
39 | { | |
40 | ||
41 | using namespace std; | |
42 | ||
43 | void init(); | |
44 | ||
45 | class Block | |
46 | { | |
47 | /* Config API etc goes here */ | |
48 | }; | |
49 | ||
50 | class Sink : | |
51 | public Gst::BaseSink | |
52 | { | |
53 | protected: | |
54 | explicit Sink(GstBaseSink *gobj); | |
55 | }; | |
56 | ||
57 | class Device : | |
58 | public Gst::Element | |
59 | { | |
60 | /* Operations specific to hardware devices go here */ | |
61 | protected: | |
62 | explicit Device(GstElement *gobj); | |
63 | }; | |
64 | ||
65 | class CaptureDevice : | |
66 | public Device | |
67 | { | |
68 | /* Operations specific to capture (source) devices go here */ | |
69 | protected: | |
70 | explicit CaptureDevice(GstElement *gobj); | |
71 | }; | |
72 | ||
73 | #ifdef HAVE_LIBSIGROKCXX | |
74 | class LegacyCaptureDevice : | |
75 | public CaptureDevice | |
76 | { | |
77 | public: | |
78 | /* Create from libsigrok device object */ | |
79 | static Glib::RefPtr<LegacyCaptureDevice> create( | |
80 | shared_ptr<sigrok::HardwareDevice> libsigrok_device); | |
81 | ||
82 | /* Retrieve libsigrok device object */ | |
83 | shared_ptr<sigrok::HardwareDevice> libsigrok_device(); | |
84 | ||
85 | /* Override state change */ | |
86 | Gst::StateChangeReturn change_state_vfunc(Gst::StateChange transition); | |
87 | ||
88 | /* Gst class init */ | |
89 | static void class_init(Gst::ElementClass<LegacyCaptureDevice> *klass); | |
90 | ||
91 | /* Register class with plugin */ | |
92 | static bool register_element(Glib::RefPtr<Gst::Plugin> plugin); | |
93 | ||
94 | /* Construcor used by element factory */ | |
95 | explicit LegacyCaptureDevice(GstElement *gobj); | |
96 | private: | |
97 | shared_ptr<sigrok::HardwareDevice> _libsigrok_device; | |
98 | Glib::RefPtr<Gst::Pad> _src_pad; | |
99 | Glib::Threads::RecMutex _mutex; | |
100 | Glib::RefPtr<Gst::Task> _task; | |
101 | shared_ptr<sigrok::Session> _session; | |
102 | ||
103 | void _datafeed_callback(shared_ptr<sigrok::Device> device, | |
104 | shared_ptr<sigrok::Packet> packet); | |
105 | void _run(); | |
106 | }; | |
107 | ||
108 | class LegacyInput : | |
109 | public Gst::Element | |
110 | { | |
111 | public: | |
112 | /* Create from libsigrok input */ | |
113 | static Glib::RefPtr<LegacyInput> create( | |
114 | shared_ptr<sigrok::InputFormat> format, | |
115 | map<string, Glib::VariantBase> options = map<string, Glib::VariantBase>()); | |
116 | ||
117 | /* Override start */ | |
118 | bool start_vfunc(); | |
119 | ||
120 | /* Chain function */ | |
121 | Gst::FlowReturn chain(const Glib::RefPtr<Gst::Pad> &pad, | |
122 | const Glib::RefPtr<Gst::Buffer> &buf); | |
123 | ||
124 | /* Override stop */ | |
125 | bool stop_vfunc(); | |
126 | ||
127 | /* Gst class init */ | |
128 | static void class_init(Gst::ElementClass<LegacyInput> *klass); | |
129 | ||
130 | /* Register class with plugin */ | |
131 | static bool register_element(Glib::RefPtr<Gst::Plugin> plugin); | |
132 | ||
133 | /* Construcor used by element factory */ | |
134 | explicit LegacyInput(GstElement *gobj); | |
135 | private: | |
136 | shared_ptr<sigrok::InputFormat> _libsigrok_input_format; | |
137 | shared_ptr<sigrok::Input> _libsigrok_input; | |
138 | shared_ptr<sigrok::Session> _session; | |
139 | map<string, Glib::VariantBase> _options; | |
140 | Glib::RefPtr<Gst::Pad> _sink_pad; | |
141 | Glib::RefPtr<Gst::Pad> _src_pad; | |
142 | ||
143 | void _datafeed_callback(shared_ptr<sigrok::Device> device, | |
144 | shared_ptr<sigrok::Packet> packet); | |
145 | }; | |
146 | ||
147 | class LegacyOutput : | |
148 | public Sink | |
149 | { | |
150 | public: | |
151 | /* Create from libsigrok output object */ | |
152 | static Glib::RefPtr<LegacyOutput> create( | |
153 | shared_ptr<sigrok::OutputFormat> libsigrok_output_format, | |
154 | shared_ptr<sigrok::Device> libsigrok_device, | |
155 | map<string, Glib::VariantBase> options = map<string, Glib::VariantBase>()); | |
156 | ||
157 | /* Override start */ | |
158 | bool start_vfunc(); | |
159 | ||
160 | /* Override render */ | |
161 | Gst::FlowReturn render_vfunc(const Glib::RefPtr<Gst::Buffer> &buffer); | |
162 | ||
163 | /* Override stop */ | |
164 | bool stop_vfunc(); | |
165 | ||
166 | /* Gst class init */ | |
167 | static void class_init(Gst::ElementClass<LegacyOutput> *klass); | |
168 | ||
169 | /* Register class with plugin */ | |
170 | static bool register_element(Glib::RefPtr<Gst::Plugin> plugin); | |
171 | ||
172 | /* Constructor used by element factory */ | |
173 | explicit LegacyOutput(GstBaseSink *gobj); | |
174 | private: | |
175 | shared_ptr<sigrok::OutputFormat> _libsigrok_output_format; | |
176 | shared_ptr<sigrok::Device> _libsigrok_device; | |
177 | shared_ptr<sigrok::Output> _libsigrok_output; | |
178 | map<string, Glib::VariantBase> _options; | |
179 | }; | |
180 | #endif | |
181 | ||
182 | #ifdef HAVE_LIBSIGROKDECODE | |
183 | class LegacyDecoder : | |
184 | public Sink | |
185 | { | |
186 | public: | |
187 | static Glib::RefPtr<LegacyDecoder> create( | |
188 | struct srd_session *libsigrokdecode_session, uint64_t unitsize); | |
189 | ||
190 | /* Retrieve libsigrokdecode session */ | |
191 | struct srd_session *libsigrokdecode_session(); | |
192 | ||
193 | /* Override start */ | |
194 | bool start_vfunc(); | |
195 | ||
196 | /* Override render */ | |
197 | Gst::FlowReturn render_vfunc(const Glib::RefPtr<Gst::Buffer> &buffer); | |
198 | ||
199 | /* Override stop */ | |
200 | bool stop_vfunc(); | |
201 | ||
202 | /* Gst class init */ | |
203 | static void class_init(Gst::ElementClass<LegacyDecoder> *klass); | |
204 | ||
205 | /* Register class with plugin */ | |
206 | static bool register_element(Glib::RefPtr<Gst::Plugin> plugin); | |
207 | ||
208 | /* Constructor used by element factory */ | |
209 | explicit LegacyDecoder(GstBaseSink *gobj); | |
210 | private: | |
211 | struct srd_session *_session; | |
212 | uint64_t _abs_ss; | |
213 | uint64_t _unitsize; | |
214 | }; | |
215 | #endif | |
216 | ||
217 | } | |
218 | #endif |