added: bitvis (WIP)

src/jackclient.h

@@ -0,0 +1,79 @@
+/*
+ * bobdsp
+ * Copyright (C) Bob 2012
+ * 
+ * bobdsp 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.
+ * 
+ * bobdsp 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 JACKCLIENT_H
+#define JACKCLIENT_H
+
+#include <string>
+#include <vector>
+#include <jack/jack.h>
+#include <samplerate.h>
+
+#include "fft.h"
+#include "clientmessage.h"
+#include "util/condition.h"
+
+class CJackClient
+{
+  public:
+    CJackClient();
+    ~CJackClient();
+
+    bool Connect();
+    void Disconnect();
+    bool IsConnected() { return m_connected;   }
+    int  MsgPipe()     { return m_pipe[0];     }
+    ClientMessage GetMessage();
+
+    jack_status_t      ExitStatus() { return m_exitstatus; }
+    const std::string& ExitReason() { return m_exitreason; }
+
+    int                Samplerate() { return m_samplerate; }
+    int                GetAudio(float*& buf, int& bufsize, int& samplerate);
+
+  private:
+    bool           m_connected;
+    bool           m_wasconnected;
+    jack_client_t* m_client;
+    jack_port_t*   m_jackport;
+    std::string    m_name;
+    int            m_samplerate;
+    int            m_outsamplerate;
+    jack_status_t  m_exitstatus;
+    std::string    m_exitreason;
+    int            m_portevents;
+    int            m_pipe[2];
+    CCondition     m_condition;
+    float*         m_buf;
+    unsigned int   m_bufsize;
+    bool           m_bufupdated;
+    SRC_STATE*     m_srcstate;
+    int            m_outsamples;
+
+    bool        ConnectInternal();
+    void        CheckMessages();
+    bool        WriteMessage(uint8_t message);
+
+    static int  SJackProcessCallback(jack_nframes_t nframes, void *arg);
+    void        PJackProcessCallback(jack_nframes_t nframes);
+
+    static void SJackInfoShutdownCallback(jack_status_t code, const char *reason, void *arg);
+    void        PJackInfoShutdownCallback(jack_status_t code, const char *reason);
+};
+
+#endif //JACKCLIENT_H