Add threaded ModCodec and use it for GainControl

1 files changed, 30 insertions, 1 deletions

diff --git a/src/ModPlugin.h b/src/ModPlugin.h
index bdc3843..edb7d2d 100644
--- a/src/ModPlugin.h
+++ b/src/ModPlugin.h
@@ -2,7 +2,7 @@
    Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011 Her Majesty
    the Queen in Right of Canada (Communications Research Center Canada)
 
-   Copyright (C) 2016
+   Copyright (C) 2017
    Matthias P. Braendli, matthias.braendli@mpb.li
 
     http://opendigitalradio.org
@@ -32,9 +32,12 @@
 
 
 #include "Buffer.h"
+#include "ThreadsafeQueue.h"
 
 #include <sys/types.h>
 #include <vector>
+#include <memory>
+#include <thread>
 
 class ModPlugin
 {
@@ -65,6 +68,32 @@ public:
     virtual int process(Buffer* const dataIn, Buffer* dataOut) = 0;
 };
 
+class PipelinedModCodec : public ModCodec
+{
+public:
+    PipelinedModCodec();
+    PipelinedModCodec(const PipelinedModCodec&) = delete;
+    PipelinedModCodec& operator=(const PipelinedModCodec&) = delete;
+    PipelinedModCodec(PipelinedModCodec&&) = delete;
+    PipelinedModCodec& operator=(PipelinedModCodec&&) = delete;
+    ~PipelinedModCodec();
+
+    virtual int process(Buffer* const dataIn, Buffer* dataOut) final;
+    virtual const char* name() = 0;
+
+protected:
+    void process_thread(void);
+    virtual int internal_process(Buffer* const dataIn, Buffer* dataOut) = 0;
+
+    ThreadsafeQueue<std::shared_ptr<Buffer> > m_input_queue;
+    ThreadsafeQueue<std::shared_ptr<Buffer> > m_output_queue;
+
+    std::atomic<bool> m_running;
+    size_t m_number_of_runs;
+    std::thread m_thread;
+};
+
+
 /* Muxes are N-input 1-output flowgraph plugins */
 class ModMux : public ModPlugin
 {