jack2/windows/winmme/JackWinMMEOutputPort.h

/*
Copyright (C) 2011 Devin Anderson

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 2 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, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

*/

#ifndef __JackWinMMEOutputPort__
#define __JackWinMMEOutputPort__

#include "JackMidiAsyncQueue.h"
#include "JackMidiBufferReadQueue.h"
#include "JackThread.h"
#include "JackWinMMEPort.h"

namespace Jack {

    class JackWinMMEOutputPort :
            public JackWinMMEPort, public JackRunnableInterface {

    private:

        static void CALLBACK
        HandleMessageEvent(HMIDIOUT handle, UINT message, DWORD_PTR port,
                           DWORD_PTR param1, DWORD_PTR param2);

        void
        GetOutErrorString(MMRESULT error, LPTSTR text);

        void
        HandleMessage(UINT message, DWORD_PTR param1, DWORD_PTR param2);

        bool
        Signal(HANDLE semaphore);

        bool
        Wait(HANDLE semaphore);

        void
        WriteOutError(const char *jack_func, const char *mm_func,
                                   MMRESULT result);

        HMIDIOUT handle;
        JackMidiBufferReadQueue *read_queue;
        HANDLE sysex_semaphore;
        JackThread *thread;
        JackMidiAsyncQueue *thread_queue;
        HANDLE thread_queue_semaphore;
        HANDLE timer;

    public:

        JackWinMMEOutputPort(const char *alias_name, const char *client_name,
                             const char *driver_name, UINT index,
                             size_t max_bytes=4096, size_t max_messages=1024);

        ~JackWinMMEOutputPort();

        bool
        Execute();

        bool
        Init();

        void
        ProcessJack(JackMidiBuffer *port_buffer, jack_nframes_t frames);

        bool
        Start();

        bool
        Stop();

    };

}

#endif