69 lines
2.5 KiB
C++
69 lines
2.5 KiB
C++
/////////////////////////////////////////////////////////////////////////
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// $Id: soundmod.h,v 1.4 2011-02-14 21:14:20 vruppert Exp $
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/////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2011 The Bochs Project
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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// Common code for sound output modules
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// this is the size of a DMA chunk sent to output
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// it should not be too large to avoid lag, and not too
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// small to avoid unnecessary overhead.
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#define BX_SOUND_OUTPUT_WAVEPACKETSIZE 8192
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// Definitions for the output functions
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#define BX_SOUND_OUTPUT_OK 0
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#define BX_SOUND_OUTPUT_ERR 1
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// Pseudo device that loads the lowlevel sound module
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class bx_soundmod_ctl_c : public bx_soundmod_ctl_stub_c {
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public:
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bx_soundmod_ctl_c() {}
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virtual ~bx_soundmod_ctl_c() {}
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virtual int init_module(const char *type, void **module, logfunctions *dev);
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};
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// The class with the output functions
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class bx_sound_output_c : public logfunctions {
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public:
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/*
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These functions are the sound output functions, sending
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the music/sound to the OS specific driver.
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They are in a different file (soundxxx.cc) because they are
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non-portable, while everything in sb16.cc is portable
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*/
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bx_sound_output_c(logfunctions *dev);
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virtual ~bx_sound_output_c();
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virtual int waveready();
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virtual int midiready();
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virtual int openmidioutput(const char *mididev);
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virtual int sendmidicommand(int delta, int command, int length, Bit8u data[]);
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virtual int closemidioutput();
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virtual int openwaveoutput(const char *wavedev);
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virtual int startwaveplayback(int frequency, int bits, int stereo, int format);
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virtual int sendwavepacket(int length, Bit8u data[]);
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virtual int stopwaveplayback();
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virtual int closewaveoutput();
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protected:
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logfunctions *device;
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};
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