Factor out legacy_decoder.hpp.

[libsigrokflow.git] / include / libsigrokflow / legacy_decoder.hpp

diff --git a/include/libsigrokflow/legacy_decoder.hpp b/include/libsigrokflow/legacy_decoder.hpp
new file mode 100644 (file)
index 0000000..fecff05
--- /dev/null
+++ b/include/libsigrokflow/legacy_decoder.hpp
@@ -0,0 +1,75 @@
+/*
+ * 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
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef LIBSIGROKFLOW_LEGACY_DECODER_HPP
+#define LIBSIGROKFLOW_LEGACY_DECODER_HPP
+
+/* Temporary workaround, will be dropped later. */
+#define HAVE_LIBSIGROKDECODE 1
+
+#include <gstreamermm.h>
+#ifdef HAVE_LIBSIGROKDECODE
+#include <libsigrokdecode/libsigrokdecode.h>
+#endif
+#include <libsigrokflow/main.hpp>
+
+namespace Srf
+{
+
+using namespace std;
+
+#ifdef HAVE_LIBSIGROKDECODE
+class LegacyDecoder :
+       public Sink
+{
+public:
+       static Glib::RefPtr<LegacyDecoder> create(
+               struct srd_session *libsigrokdecode_session, uint64_t unitsize);
+
+       /* Retrieve libsigrokdecode session. */
+       struct srd_session *libsigrokdecode_session();
+
+       /* Override start. */
+       bool start_vfunc() override;
+
+       /* Override render. */
+       Gst::FlowReturn render_vfunc(const Glib::RefPtr<Gst::Buffer> &buffer) override;
+
+       /* Override stop. */
+       bool stop_vfunc() override;
+
+       /* Gst class init. */
+       static void class_init(Gst::ElementClass<LegacyDecoder> *klass);
+
+       /* Register class with plugin. */
+       static bool register_element(Glib::RefPtr<Gst::Plugin> plugin);
+
+       /* Constructor used by element factory. */
+       explicit LegacyDecoder(GstBaseSink *gobj);
+
+private:
+       struct srd_session *session_;
+       uint64_t abs_ss_;
+       uint64_t unitsite_;
+};
+#endif
+
+}
+#endif