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572e76fe UH |
1 | /* |
2 | * This file is part of the libsigrokflow project. | |
3 | * | |
f1eaad84 | 4 | * Copyright (C) 2018 Martin Ling <martin-sigrok@earth.li> |
572e76fe UH |
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 | ||
f7363af1 | 24 | #include <gstreamermm.h> |
37469b3d | 25 | #include <gstreamermm/private/element_p.h> |
e2cfc0ef | 26 | #include <gstreamermm/private/basesink_p.h> |
1060e9b5 | 27 | #ifdef HAVE_LIBSIGROKCXX |
f7363af1 | 28 | #include <libsigrokcxx/libsigrokcxx.hpp> |
1060e9b5 | 29 | #endif |
b1322000 | 30 | #include <libsigrokdecode/libsigrokdecode.h> |
f7363af1 | 31 | |
b903bb0a UH |
32 | namespace Srf |
33 | { | |
34 | ||
f7363af1 ML |
35 | using namespace std; |
36 | ||
b903bb0a UH |
37 | void init(); |
38 | ||
f7363af1 ML |
39 | class Block |
40 | { | |
41 | /* Config API etc goes here */ | |
42 | }; | |
43 | ||
e2cfc0ef ML |
44 | class Sink : |
45 | public Gst::BaseSink | |
f7363af1 | 46 | { |
6d71d36a | 47 | protected: |
e2cfc0ef | 48 | explicit Sink(GstBaseSink *gobj); |
f7363af1 ML |
49 | }; |
50 | ||
51 | class Device : | |
e2cfc0ef | 52 | public Gst::Element |
f7363af1 ML |
53 | { |
54 | /* Operations specific to hardware devices go here */ | |
6d71d36a ML |
55 | protected: |
56 | explicit Device(GstElement *gobj); | |
f7363af1 | 57 | }; |
b903bb0a | 58 | |
f7363af1 ML |
59 | class CaptureDevice : |
60 | public Device | |
61 | { | |
62 | /* Operations specific to capture (source) devices go here */ | |
6d71d36a ML |
63 | protected: |
64 | explicit CaptureDevice(GstElement *gobj); | |
f7363af1 ML |
65 | }; |
66 | ||
1060e9b5 | 67 | #ifdef HAVE_LIBSIGROKCXX |
f7363af1 ML |
68 | class LegacyCaptureDevice : |
69 | public CaptureDevice | |
70 | { | |
71 | public: | |
64b0db03 ML |
72 | /* Create from libsigrok device object */ |
73 | static Glib::RefPtr<LegacyCaptureDevice> create( | |
74 | shared_ptr<sigrok::HardwareDevice> libsigrok_device); | |
f7363af1 ML |
75 | |
76 | /* Retrieve libsigrok device object */ | |
d03b3a98 ML |
77 | shared_ptr<sigrok::HardwareDevice> libsigrok_device(); |
78 | ||
79 | /* Override state change */ | |
80 | Gst::StateChangeReturn change_state_vfunc(Gst::StateChange transition); | |
6d71d36a ML |
81 | |
82 | /* Gst class init */ | |
83 | static void class_init(Gst::ElementClass<LegacyCaptureDevice> *klass); | |
84 | ||
85 | /* Register class with plugin */ | |
86 | static bool register_element(Glib::RefPtr<Gst::Plugin> plugin); | |
87 | ||
88 | /* Construcor used by element factory */ | |
89 | explicit LegacyCaptureDevice(GstElement *gobj); | |
f7363af1 | 90 | private: |
64b0db03 | 91 | shared_ptr<sigrok::HardwareDevice> _libsigrok_device; |
d03b3a98 ML |
92 | Glib::RefPtr<Gst::Pad> _src_pad; |
93 | Glib::Threads::RecMutex _mutex; | |
94 | Glib::RefPtr<Gst::Task> _task; | |
95 | shared_ptr<sigrok::Session> _session; | |
96 | ||
97 | void _datafeed_callback(shared_ptr<sigrok::Device> device, | |
98 | shared_ptr<sigrok::Packet> packet); | |
99 | void _run(); | |
f7363af1 ML |
100 | }; |
101 | ||
92d521e7 ML |
102 | class LegacyInput : |
103 | public Gst::Element | |
104 | { | |
105 | public: | |
106 | /* Create from libsigrok input */ | |
107 | static Glib::RefPtr<LegacyInput> create( | |
108 | shared_ptr<sigrok::InputFormat> format, | |
109 | map<string, Glib::VariantBase> options = map<string, Glib::VariantBase>()); | |
110 | ||
111 | /* Override start */ | |
112 | bool start_vfunc(); | |
113 | ||
114 | /* Chain function */ | |
115 | Gst::FlowReturn chain(const Glib::RefPtr<Gst::Pad> &pad, | |
116 | const Glib::RefPtr<Gst::Buffer> &buf); | |
117 | ||
118 | /* Override stop */ | |
119 | bool stop_vfunc(); | |
120 | ||
121 | /* Gst class init */ | |
122 | static void class_init(Gst::ElementClass<LegacyInput> *klass); | |
123 | ||
124 | /* Register class with plugin */ | |
125 | static bool register_element(Glib::RefPtr<Gst::Plugin> plugin); | |
126 | ||
127 | /* Construcor used by element factory */ | |
128 | explicit LegacyInput(GstElement *gobj); | |
129 | private: | |
130 | shared_ptr<sigrok::InputFormat> _libsigrok_input_format; | |
131 | shared_ptr<sigrok::Input> _libsigrok_input; | |
132 | shared_ptr<sigrok::Session> _session; | |
133 | map<string, Glib::VariantBase> _options; | |
134 | Glib::RefPtr<Gst::Pad> _sink_pad; | |
135 | Glib::RefPtr<Gst::Pad> _src_pad; | |
136 | ||
137 | void _datafeed_callback(shared_ptr<sigrok::Device> device, | |
138 | shared_ptr<sigrok::Packet> packet); | |
139 | }; | |
140 | ||
e2cfc0ef ML |
141 | class LegacyOutput : |
142 | public Sink | |
143 | { | |
144 | public: | |
145 | /* Create from libsigrok output object */ | |
146 | static Glib::RefPtr<LegacyOutput> create( | |
726122c2 ML |
147 | shared_ptr<sigrok::OutputFormat> libsigrok_output_format, |
148 | shared_ptr<sigrok::Device> libsigrok_device, | |
149 | map<string, Glib::VariantBase> options = map<string, Glib::VariantBase>()); | |
e2cfc0ef | 150 | |
726122c2 ML |
151 | /* Override start */ |
152 | bool start_vfunc(); | |
e2cfc0ef ML |
153 | |
154 | /* Override render */ | |
155 | Gst::FlowReturn render_vfunc(const Glib::RefPtr<Gst::Buffer> &buffer); | |
156 | ||
157 | /* Override stop */ | |
158 | bool stop_vfunc(); | |
159 | ||
160 | /* Gst class init */ | |
161 | static void class_init(Gst::ElementClass<LegacyOutput> *klass); | |
162 | ||
163 | /* Register class with plugin */ | |
164 | static bool register_element(Glib::RefPtr<Gst::Plugin> plugin); | |
165 | ||
166 | /* Constructor used by element factory */ | |
167 | explicit LegacyOutput(GstBaseSink *gobj); | |
168 | private: | |
726122c2 ML |
169 | shared_ptr<sigrok::OutputFormat> _libsigrok_output_format; |
170 | shared_ptr<sigrok::Device> _libsigrok_device; | |
e2cfc0ef | 171 | shared_ptr<sigrok::Output> _libsigrok_output; |
726122c2 | 172 | map<string, Glib::VariantBase> _options; |
e2cfc0ef | 173 | }; |
1060e9b5 | 174 | #endif |
e2cfc0ef | 175 | |
b1322000 UH |
176 | class LegacyDecoder : |
177 | public Sink | |
178 | { | |
179 | public: | |
180 | static Glib::RefPtr<LegacyDecoder> create( | |
181 | struct srd_session *libsigrokdecode_session, uint64_t unitsize); | |
182 | ||
183 | /* Retrieve libsigrokdecode session */ | |
184 | struct srd_session *libsigrokdecode_session(); | |
185 | ||
186 | /* Override start */ | |
187 | bool start_vfunc(); | |
188 | ||
189 | /* Override render */ | |
190 | Gst::FlowReturn render_vfunc(const Glib::RefPtr<Gst::Buffer> &buffer); | |
191 | ||
192 | /* Override stop */ | |
193 | bool stop_vfunc(); | |
194 | ||
195 | /* Gst class init */ | |
196 | static void class_init(Gst::ElementClass<LegacyDecoder> *klass); | |
197 | ||
198 | /* Register class with plugin */ | |
199 | static bool register_element(Glib::RefPtr<Gst::Plugin> plugin); | |
200 | ||
201 | /* Constructor used by element factory */ | |
202 | explicit LegacyDecoder(GstBaseSink *gobj); | |
203 | private: | |
204 | struct srd_session *_session; | |
205 | uint64_t _abs_ss; | |
206 | uint64_t _unitsize; | |
207 | }; | |
f7363af1 ML |
208 | |
209 | } | |
572e76fe | 210 | #endif |