Decode the data while collection the data, the step 1

DSView/pv/data/decoderstack.cpp

@@ -66,6 +66,7 @@ DecoderStack::DecoderStack(pv::SigSession *session,
     _mark_index = -1;
     _decoder_status = decoder_status;
     _stask_stauts = NULL; 
+    _is_capture_end = true;
     
     _stack.push_back(new decode::Decoder(dec));
  
@@ -610,8 +611,6 @@ void DecoderStack::execute_decode_stack()
     // Get the intial sample count
     _sample_count = _snapshot->get_sample_count();
  
-    dsv_info("%s%llu", "decoder sample count: ", _sample_count);
- 
     // Create the decoders
     for(auto dec : _stack)
 	{
@@ -630,9 +629,15 @@ void DecoderStack::execute_decode_stack()
 
 		prev_di = di;
         decode_start = dec->decode_start();
-        decode_end = min(dec->decode_end(), _sample_count-1);
+
+        if (_session->is_realtime_mode() == false)
+            decode_end = min(dec->decode_end(), _sample_count-1);
+        else
+            decode_end = max(dec->decode_end(), decode_end);
 	}
 
+    dsv_info("decoder start sample:%llu, end sample:%llu, count:%llu", decode_start, decode_end, decode_end - decode_start + 1);
+
 	// Start the session
 	srd_session_metadata_set(session, SRD_CONF_SAMPLERATE,
 		g_variant_new_uint64((uint64_t)_samplerate));

DSView/pv/data/decoderstack.h

@@ -164,6 +164,14 @@ public:
         return _decoder_status;
     }
 
+    inline bool is_capture_end(){
+        return _is_capture_end;
+    }
+
+    inline void set_capture_end_flag(bool isEnd){
+        _is_capture_end = isEnd;
+    }
+
 private:
     void decode_data(const uint64_t decode_start, const uint64_t decode_end, srd_session *const session);
 	void execute_decode_stack();
@@ -196,6 +204,7 @@ private:
  
     decode_task_status  *_stask_stauts;    
     mutable std::mutex _output_mutex; 
+    bool            _is_capture_end;
 
 	friend class DecoderStackTest::TwoDecoderStack;
 };

DSView/pv/interface/icallbacks.h

@@ -74,6 +74,7 @@ public:
 #define DSV_MSG_COLLECT_END             5004
 #define DSV_MSG_END_COLLECT_WORK_PREV   5005
 #define DSV_MSG_END_COLLECT_WORK        5006
+#define DSV_MSG_REV_END_PACKET          5007
 
 #define DSV_MSG_DEVICE_LIST_UPDATED     6000
 #define DSV_MSG_BEGIN_DEVICE_OPTIONS    6001 //Begin show device options dialog.

DSView/pv/sigsession.cpp

@@ -478,6 +478,23 @@ namespace pv
             _is_working = true;
             _callback->trigger_message(DSV_MSG_START_COLLECT_WORK);
 
+            if (_device_agent.get_work_mode() == LOGIC)
+            {
+                for (auto de : _decode_traces)
+                {
+                    de->decoder()->set_capture_end_flag(false);
+
+                    // On real-time mode, create the decode task when capture started.
+                    if (is_realtime_mode())
+                    {
+                        de->decoder()->frame_ended();
+                        de->frame_ended();
+                        add_decode_task(de);
+                    }                
+                }
+            }
+
+            // Start a timer, for able to refresh the view per (1000 / 30)ms
             if (is_realtime_mode()){
                 _refresh_rt_timer.Start(1000 / 30);
             }
@@ -1251,12 +1268,11 @@ namespace pv
             _dso_data->snapshot()->capture_ended();
             _analog_data->snapshot()->capture_ended();
 
-            for (auto trace : _decode_traces)
+            int mode = _device_agent.get_work_mode();
-            {
+
-                trace->decoder()->frame_ended();
+            // Post a message to start all decode tasks.
-                trace->frame_ended();
+            if (mode == LOGIC)
-                add_decode_task(trace);
+               _callback->trigger_message(DSV_MSG_REV_END_PACKET);
-            }
 
             if (packet->status != SR_PKT_OK)
             {
@@ -1266,10 +1282,8 @@ namespace pv
 
             _callback->frame_ended();
 
-            if (_device_agent.get_work_mode() != LOGIC)
+            if (mode != LOGIC)
-            {
                 set_session_time(QDateTime::currentDateTime());
-            }
 
             break;
         }
@@ -1943,7 +1957,7 @@ namespace pv
 
         case DSV_MSG_TRIG_NEXT_COLLECT:
             {
-                if (_is_working)
+                if (_is_working && is_repeat_mode())
                 {
                     if (_repeat_intvl > 0)
                     {
@@ -1974,6 +1988,25 @@ namespace pv
             }
             break;
 
+        case DSV_MSG_REV_END_PACKET:
+        {
+            if (_device_agent.get_work_mode() == LOGIC)
+            {
+                for (auto de : _decode_traces)
+                {
+                    de->decoder()->set_capture_end_flag(true);
+
+                    // If is not the real-time mode, try to create all decode tasks.
+                    if (is_realtime_mode() == false){ 
+                        de->decoder()->frame_ended();
+                        de->frame_ended();
+                        add_decode_task(de);
+                    }               
+                }
+            }            
+        }
+        break;
+
         case DSV_MSG_COLLECT_END:   
             break;
         }     

DSView/pv/sigsession.h

@@ -374,7 +374,6 @@ private:
     void set_cur_snap_samplerate(uint64_t samplerate);
     void math_disable();
 
-private:
     bool exec_capture();
     void exit_capture();