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572e76fe UH |
1 | /* |
2 | * This file is part of the libsigrokflow project. | |
3 | * | |
4 | * Copyright (C) 2018 Uwe Hermann <uwe@hermann-uwe.de> | |
5 | * | |
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. | |
10 | * | |
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. | |
15 | * | |
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/>. | |
18 | */ | |
19 | ||
20 | #ifndef LIBSIGROKFLOW_LIBSIGROKFLOW_HPP | |
21 | #define LIBSIGROKFLOW_LIBSIGROKFLOW_HPP | |
22 | ||
f7363af1 | 23 | #include <gstreamermm.h> |
37469b3d | 24 | #include <gstreamermm/private/element_p.h> |
e2cfc0ef | 25 | #include <gstreamermm/private/basesink_p.h> |
f7363af1 | 26 | #include <libsigrokcxx/libsigrokcxx.hpp> |
b1322000 | 27 | #include <libsigrokdecode/libsigrokdecode.h> |
f7363af1 | 28 | |
b903bb0a UH |
29 | namespace Srf |
30 | { | |
31 | ||
f7363af1 ML |
32 | using namespace std; |
33 | ||
b903bb0a UH |
34 | void init(); |
35 | ||
f7363af1 ML |
36 | class Block |
37 | { | |
38 | /* Config API etc goes here */ | |
39 | }; | |
40 | ||
e2cfc0ef ML |
41 | class Sink : |
42 | public Gst::BaseSink | |
f7363af1 | 43 | { |
6d71d36a | 44 | protected: |
e2cfc0ef | 45 | explicit Sink(GstBaseSink *gobj); |
f7363af1 ML |
46 | }; |
47 | ||
48 | class Device : | |
e2cfc0ef | 49 | public Gst::Element |
f7363af1 ML |
50 | { |
51 | /* Operations specific to hardware devices go here */ | |
6d71d36a ML |
52 | protected: |
53 | explicit Device(GstElement *gobj); | |
f7363af1 | 54 | }; |
b903bb0a | 55 | |
f7363af1 ML |
56 | class CaptureDevice : |
57 | public Device | |
58 | { | |
59 | /* Operations specific to capture (source) devices go here */ | |
6d71d36a ML |
60 | protected: |
61 | explicit CaptureDevice(GstElement *gobj); | |
f7363af1 ML |
62 | }; |
63 | ||
64 | class LegacyCaptureDevice : | |
65 | public CaptureDevice | |
66 | { | |
67 | public: | |
64b0db03 ML |
68 | /* Create from libsigrok device object */ |
69 | static Glib::RefPtr<LegacyCaptureDevice> create( | |
70 | shared_ptr<sigrok::HardwareDevice> libsigrok_device); | |
f7363af1 ML |
71 | |
72 | /* Retrieve libsigrok device object */ | |
d03b3a98 ML |
73 | shared_ptr<sigrok::HardwareDevice> libsigrok_device(); |
74 | ||
75 | /* Override state change */ | |
76 | Gst::StateChangeReturn change_state_vfunc(Gst::StateChange transition); | |
6d71d36a ML |
77 | |
78 | /* Gst class init */ | |
79 | static void class_init(Gst::ElementClass<LegacyCaptureDevice> *klass); | |
80 | ||
81 | /* Register class with plugin */ | |
82 | static bool register_element(Glib::RefPtr<Gst::Plugin> plugin); | |
83 | ||
84 | /* Construcor used by element factory */ | |
85 | explicit LegacyCaptureDevice(GstElement *gobj); | |
f7363af1 | 86 | private: |
64b0db03 | 87 | shared_ptr<sigrok::HardwareDevice> _libsigrok_device; |
d03b3a98 ML |
88 | Glib::RefPtr<Gst::Pad> _src_pad; |
89 | Glib::Threads::RecMutex _mutex; | |
90 | Glib::RefPtr<Gst::Task> _task; | |
91 | shared_ptr<sigrok::Session> _session; | |
92 | ||
93 | void _datafeed_callback(shared_ptr<sigrok::Device> device, | |
94 | shared_ptr<sigrok::Packet> packet); | |
95 | void _run(); | |
f7363af1 ML |
96 | }; |
97 | ||
e2cfc0ef ML |
98 | class LegacyOutput : |
99 | public Sink | |
100 | { | |
101 | public: | |
102 | /* Create from libsigrok output object */ | |
103 | static Glib::RefPtr<LegacyOutput> create( | |
726122c2 ML |
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>()); | |
e2cfc0ef | 107 | |
726122c2 ML |
108 | /* Override start */ |
109 | bool start_vfunc(); | |
e2cfc0ef ML |
110 | |
111 | /* Override render */ | |
112 | Gst::FlowReturn render_vfunc(const Glib::RefPtr<Gst::Buffer> &buffer); | |
113 | ||
114 | /* Override stop */ | |
115 | bool stop_vfunc(); | |
116 | ||
117 | /* Gst class init */ | |
118 | static void class_init(Gst::ElementClass<LegacyOutput> *klass); | |
119 | ||
120 | /* Register class with plugin */ | |
121 | static bool register_element(Glib::RefPtr<Gst::Plugin> plugin); | |
122 | ||
123 | /* Constructor used by element factory */ | |
124 | explicit LegacyOutput(GstBaseSink *gobj); | |
125 | private: | |
726122c2 ML |
126 | shared_ptr<sigrok::OutputFormat> _libsigrok_output_format; |
127 | shared_ptr<sigrok::Device> _libsigrok_device; | |
e2cfc0ef | 128 | shared_ptr<sigrok::Output> _libsigrok_output; |
726122c2 | 129 | map<string, Glib::VariantBase> _options; |
e2cfc0ef ML |
130 | }; |
131 | ||
b1322000 UH |
132 | class LegacyDecoder : |
133 | public Sink | |
134 | { | |
135 | public: | |
136 | static Glib::RefPtr<LegacyDecoder> create( | |
137 | struct srd_session *libsigrokdecode_session, uint64_t unitsize); | |
138 | ||
139 | /* Retrieve libsigrokdecode session */ | |
140 | struct srd_session *libsigrokdecode_session(); | |
141 | ||
142 | /* Override start */ | |
143 | bool start_vfunc(); | |
144 | ||
145 | /* Override render */ | |
146 | Gst::FlowReturn render_vfunc(const Glib::RefPtr<Gst::Buffer> &buffer); | |
147 | ||
148 | /* Override stop */ | |
149 | bool stop_vfunc(); | |
150 | ||
151 | /* Gst class init */ | |
152 | static void class_init(Gst::ElementClass<LegacyDecoder> *klass); | |
153 | ||
154 | /* Register class with plugin */ | |
155 | static bool register_element(Glib::RefPtr<Gst::Plugin> plugin); | |
156 | ||
157 | /* Constructor used by element factory */ | |
158 | explicit LegacyDecoder(GstBaseSink *gobj); | |
159 | private: | |
160 | struct srd_session *_session; | |
161 | uint64_t _abs_ss; | |
162 | uint64_t _unitsize; | |
163 | }; | |
f7363af1 ML |
164 | |
165 | } | |
572e76fe | 166 | #endif |