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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> |
f7363af1 | 27 | #include <libsigrokcxx/libsigrokcxx.hpp> |
b1322000 | 28 | #include <libsigrokdecode/libsigrokdecode.h> |
f7363af1 | 29 | |
b903bb0a UH |
30 | namespace Srf |
31 | { | |
32 | ||
f7363af1 ML |
33 | using namespace std; |
34 | ||
b903bb0a UH |
35 | void init(); |
36 | ||
f7363af1 ML |
37 | class Block |
38 | { | |
39 | /* Config API etc goes here */ | |
40 | }; | |
41 | ||
e2cfc0ef ML |
42 | class Sink : |
43 | public Gst::BaseSink | |
f7363af1 | 44 | { |
6d71d36a | 45 | protected: |
e2cfc0ef | 46 | explicit Sink(GstBaseSink *gobj); |
f7363af1 ML |
47 | }; |
48 | ||
49 | class Device : | |
e2cfc0ef | 50 | public Gst::Element |
f7363af1 ML |
51 | { |
52 | /* Operations specific to hardware devices go here */ | |
6d71d36a ML |
53 | protected: |
54 | explicit Device(GstElement *gobj); | |
f7363af1 | 55 | }; |
b903bb0a | 56 | |
f7363af1 ML |
57 | class CaptureDevice : |
58 | public Device | |
59 | { | |
60 | /* Operations specific to capture (source) devices go here */ | |
6d71d36a ML |
61 | protected: |
62 | explicit CaptureDevice(GstElement *gobj); | |
f7363af1 ML |
63 | }; |
64 | ||
65 | class LegacyCaptureDevice : | |
66 | public CaptureDevice | |
67 | { | |
68 | public: | |
64b0db03 ML |
69 | /* Create from libsigrok device object */ |
70 | static Glib::RefPtr<LegacyCaptureDevice> create( | |
71 | shared_ptr<sigrok::HardwareDevice> libsigrok_device); | |
f7363af1 ML |
72 | |
73 | /* Retrieve libsigrok device object */ | |
d03b3a98 ML |
74 | shared_ptr<sigrok::HardwareDevice> libsigrok_device(); |
75 | ||
76 | /* Override state change */ | |
77 | Gst::StateChangeReturn change_state_vfunc(Gst::StateChange transition); | |
6d71d36a ML |
78 | |
79 | /* Gst class init */ | |
80 | static void class_init(Gst::ElementClass<LegacyCaptureDevice> *klass); | |
81 | ||
82 | /* Register class with plugin */ | |
83 | static bool register_element(Glib::RefPtr<Gst::Plugin> plugin); | |
84 | ||
85 | /* Construcor used by element factory */ | |
86 | explicit LegacyCaptureDevice(GstElement *gobj); | |
f7363af1 | 87 | private: |
64b0db03 | 88 | shared_ptr<sigrok::HardwareDevice> _libsigrok_device; |
d03b3a98 ML |
89 | Glib::RefPtr<Gst::Pad> _src_pad; |
90 | Glib::Threads::RecMutex _mutex; | |
91 | Glib::RefPtr<Gst::Task> _task; | |
92 | shared_ptr<sigrok::Session> _session; | |
93 | ||
94 | void _datafeed_callback(shared_ptr<sigrok::Device> device, | |
95 | shared_ptr<sigrok::Packet> packet); | |
96 | void _run(); | |
f7363af1 ML |
97 | }; |
98 | ||
e2cfc0ef ML |
99 | class LegacyOutput : |
100 | public Sink | |
101 | { | |
102 | public: | |
103 | /* Create from libsigrok output object */ | |
104 | static Glib::RefPtr<LegacyOutput> create( | |
726122c2 ML |
105 | shared_ptr<sigrok::OutputFormat> libsigrok_output_format, |
106 | shared_ptr<sigrok::Device> libsigrok_device, | |
107 | map<string, Glib::VariantBase> options = map<string, Glib::VariantBase>()); | |
e2cfc0ef | 108 | |
726122c2 ML |
109 | /* Override start */ |
110 | bool start_vfunc(); | |
e2cfc0ef ML |
111 | |
112 | /* Override render */ | |
113 | Gst::FlowReturn render_vfunc(const Glib::RefPtr<Gst::Buffer> &buffer); | |
114 | ||
115 | /* Override stop */ | |
116 | bool stop_vfunc(); | |
117 | ||
118 | /* Gst class init */ | |
119 | static void class_init(Gst::ElementClass<LegacyOutput> *klass); | |
120 | ||
121 | /* Register class with plugin */ | |
122 | static bool register_element(Glib::RefPtr<Gst::Plugin> plugin); | |
123 | ||
124 | /* Constructor used by element factory */ | |
125 | explicit LegacyOutput(GstBaseSink *gobj); | |
126 | private: | |
726122c2 ML |
127 | shared_ptr<sigrok::OutputFormat> _libsigrok_output_format; |
128 | shared_ptr<sigrok::Device> _libsigrok_device; | |
e2cfc0ef | 129 | shared_ptr<sigrok::Output> _libsigrok_output; |
726122c2 | 130 | map<string, Glib::VariantBase> _options; |
e2cfc0ef ML |
131 | }; |
132 | ||
b1322000 UH |
133 | class LegacyDecoder : |
134 | public Sink | |
135 | { | |
136 | public: | |
137 | static Glib::RefPtr<LegacyDecoder> create( | |
138 | struct srd_session *libsigrokdecode_session, uint64_t unitsize); | |
139 | ||
140 | /* Retrieve libsigrokdecode session */ | |
141 | struct srd_session *libsigrokdecode_session(); | |
142 | ||
143 | /* Override start */ | |
144 | bool start_vfunc(); | |
145 | ||
146 | /* Override render */ | |
147 | Gst::FlowReturn render_vfunc(const Glib::RefPtr<Gst::Buffer> &buffer); | |
148 | ||
149 | /* Override stop */ | |
150 | bool stop_vfunc(); | |
151 | ||
152 | /* Gst class init */ | |
153 | static void class_init(Gst::ElementClass<LegacyDecoder> *klass); | |
154 | ||
155 | /* Register class with plugin */ | |
156 | static bool register_element(Glib::RefPtr<Gst::Plugin> plugin); | |
157 | ||
158 | /* Constructor used by element factory */ | |
159 | explicit LegacyDecoder(GstBaseSink *gobj); | |
160 | private: | |
161 | struct srd_session *_session; | |
162 | uint64_t _abs_ss; | |
163 | uint64_t _unitsize; | |
164 | }; | |
f7363af1 ML |
165 | |
166 | } | |
572e76fe | 167 | #endif |