72 lines
2.7 KiB
C++
72 lines
2.7 KiB
C++
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/*******************************************************************************/
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/* Copyright (C) 2008 Jonathan Moore Liles */
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/* */
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/* This program is free software; you can redistribute it and/or modify it */
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/* under the terms of the GNU General Public License as published by the */
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/* Free Software Foundation; either version 2 of the License, or (at your */
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/* option) any later version. */
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/* */
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/* This program is distributed in the hope that it will be useful, but WITHOUT */
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/* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */
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/* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for */
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/* more details. */
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/* */
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/* You should have received a copy of the GNU General Public License along */
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/* with This program; see the file COPYING. If not,write to the Free Software */
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/* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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/*******************************************************************************/
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#pragma once
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#include "util/Mutex.H"
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class Port;
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#include "JACK/Client.H"
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#include "Thread.H"
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class Engine : public JACK::Client, public Mutex
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{
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Thread _thread; /* only used for thread checking */
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int _buffers_dropped; /* buffers dropped because of locking */
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/* int _buffers_dropped; /\* buffers dropped because of locking *\/ */
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void shutdown ( void );
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int process ( nframes_t nframes );
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int sync ( jack_transport_state_t state, jack_position_t *pos );
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int xrun ( void );
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void timebase ( jack_transport_state_t state, jack_nframes_t nframes, jack_position_t *pos, int new_pos );
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void freewheel ( bool yes );
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int buffer_size ( nframes_t nframes );
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void thread_init ( void );
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Engine ( const Engine &rhs );
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Engine & operator = ( const Engine &rhs );
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void request_locate ( nframes_t frame );
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private:
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friend class Port;
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friend class Transport;
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public:
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Engine ( );
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~Engine ( );
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int dropped ( void ) const { return _buffers_dropped; }
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nframes_t system_latency ( void ) const { return nframes(); }
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float frames_to_milliseconds ( nframes_t frames )
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{
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return ( frames * 1000 ) / (float)frame_rate();
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}
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};
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extern Engine * engine;
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