Implemented a global decode lock to prevent concurrent decode

[pulseview.git] / pv / data / decoder.h

diff --git a/pv/data/decoder.h b/pv/data/decoder.h
index 4cae427ea95813e842be6aaa25fb93641ee0de1d..b8608d2cc4290ed712722ba1e677e6383e96fb03 100644 (file)
--- a/pv/data/decoder.h
+++ b/pv/data/decoder.h
@@ -29,15 +29,22 @@
 #include <boost/thread.hpp>
 
 #include <QObject>
+#include <QString>
+
+#include <glib.h>
 
 struct srd_decoder;
-struct srd_decoder_inst;
 struct srd_probe;
+struct srd_proto_data;
+
+namespace DecoderTest {
+class TwoDecoder;
+}
 
 namespace pv {
 
 namespace view {
-class Signal;
+class LogicSignal;
 
 namespace decode {
 class Annotation;
@@ -61,7 +68,8 @@ private:
 public:
        Decoder(const srd_decoder *const decoder,
                std::map<const srd_probe*,
-                       boost::shared_ptr<pv::view::Signal> > probes);
+                       boost::shared_ptr<pv::view::LogicSignal> > probes,
+               GHashTable *options);
 
        virtual ~Decoder();
 
@@ -70,6 +78,8 @@ public:
        const std::vector< boost::shared_ptr<pv::view::decode::Annotation> >
                annotations() const;
 
+       QString error_message();
+
        void clear_snapshots();
 
 private:
@@ -82,18 +92,32 @@ private:
        static void annotation_callback(srd_proto_data *pdata,
                void *decoder);
 
+signals:
+       void new_decode_data();
+
 private:
+
+       /**
+        * This mutex prevents more than one decode operation occuring
+        * concurrently.
+        * @todo A proper solution should be implemented to allow multiple
+        * decode operations.
+        */
+       static boost::mutex _global_decode_mutex;
+
        const srd_decoder *const _decoder;
-       std::map<const srd_probe*, boost::shared_ptr<view::Signal> >
+       std::map<const srd_probe*, boost::shared_ptr<view::LogicSignal> >
                _probes;
+       GHashTable *_options;
 
-       srd_decoder_inst *_decoder_inst;
-
-       mutable boost::mutex _annotations_mutex;
+       mutable boost::mutex _mutex;
        std::vector< boost::shared_ptr<pv::view::decode::Annotation> >
                _annotations;
+       QString _error_message;
 
        boost::thread _decode_thread;
+
+       friend class DecoderTest::TwoDecoder;
 };
 
 } // namespace data