Factor out src/legacy_output.cpp.

[libsigrokflow.git] / src / main.cpp

diff --git a/src/main.cpp b/src/main.cpp
index 96d720e235a9d62228e50d7c620cfada076dd8b5..208af495baec09ba4ea1548821b7be5e7211d286 100644 (file)
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,6 +1,7 @@
 /*
  * This file is part of the libsigrokflow project.
  *
+ * Copyright (C) 2018 Martin Ling <martin-sigrok@earth.li>
  * Copyright (C) 2018 Uwe Hermann <uwe@hermann-uwe.de>
  *
  * This program is free software: you can redistribute it and/or modify
@@ -23,8 +24,97 @@
 namespace Srf
 {
 
-void init()
+using namespace std;
+
+Sink::Sink(GstBaseSink *gobj) :
+       Gst::BaseSink(gobj)
+{
+}
+
+Device::Device(GstElement *gobj) :
+       Gst::Element(gobj)
+{
+}
+
+CaptureDevice::CaptureDevice(GstElement *gobj) :
+       Device(gobj)
+{
+}
+
+#ifdef HAVE_LIBSIGROKDECODE
+void LegacyDecoder::class_init(Gst::ElementClass<LegacyDecoder> *klass)
 {
+       klass->set_metadata("sigrok legacy decoder",
+                       "Sink", "Wrapper for protocol decoders using legacy libsigrokdecode APIs",
+                       "Uwe Hermann");
+
+       klass->add_pad_template(Gst::PadTemplate::create(
+                       "sink",
+                       Gst::PAD_SINK,
+                       Gst::PAD_ALWAYS,
+                       Gst::Caps::create_any()));
+}
+
+bool LegacyDecoder::register_element(Glib::RefPtr<Gst::Plugin> plugin)
+{
+       Gst::ElementFactory::register_element(plugin, "sigrok_legacy_decoder",
+                       0, Gst::register_mm_type<LegacyDecoder>(
+                               "sigrok_legacy_decoder"));
+
+       return true;
+}
+
+LegacyDecoder::LegacyDecoder(GstBaseSink *gobj) :
+       Glib::ObjectBase(typeid(LegacyDecoder)),
+       Sink(gobj)
+{
+}
+
+Glib::RefPtr<LegacyDecoder>LegacyDecoder::create(
+       struct srd_session *libsigrokdecode_session, uint64_t unitsize)
+{
+       auto element = Gst::ElementFactory::create_element("sigrok_legacy_decoder");
+       if (!element)
+               throw runtime_error("Failed to create element - plugin not registered?");
+       auto decoder = Glib::RefPtr<LegacyDecoder>::cast_static(element);
+       decoder->session_ = libsigrokdecode_session;
+       decoder->unitsite_ = unitsize;
+
+       return decoder;
+}
+
+struct srd_session *LegacyDecoder::libsigrokdecode_session()
+{
+       return session_;
+}
+
+Gst::FlowReturn LegacyDecoder::render_vfunc(const Glib::RefPtr<Gst::Buffer> &buffer)
+{
+       Gst::MapInfo info;
+       buffer->map(info, Gst::MAP_READ);
+       uint64_t num_samples = info.get_size() / unitsite_;
+       srd_session_send(session_, abs_ss_, abs_ss_ + num_samples,
+               info.get_data(), info.get_size(), unitsite_);
+       abs_ss_ += num_samples;
+       buffer->unmap(info);
+
+       return Gst::FLOW_OK;
+}
+
+bool LegacyDecoder::start_vfunc()
+{
+       abs_ss_ = 0;
+       srd_session_start(session_);
+
+       return true;
+}
+
+bool LegacyDecoder::stop_vfunc()
+{
+       srd_session_terminate_reset(session_);
+
+       return true;
 }
+#endif
 
 }