Bochs/bochs/iodev/sound/soundmod.h
Volker Ruppert fe953485b1 Some more work in the lowlevel sound code.
- Reworked wave callback code to support 2 input sources (no mixing yet).
- Fixed SDL sound output.
- Beep generator fixes.
- Prepared the SB16 code for FM OPL output support (to be ported from DOSBox).
2015-01-08 19:12:01 +00:00

46 lines
1.8 KiB
C++

/////////////////////////////////////////////////////////////////////////
// $Id$
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2011-2015 The Bochs Project
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
// Common code for sound lowlevel modules
class bx_sound_lowlevel_c;
// Pseudo device that loads the lowlevel sound module
class bx_soundmod_ctl_c : public bx_soundmod_ctl_stub_c {
public:
bx_soundmod_ctl_c();
virtual ~bx_soundmod_ctl_c();
virtual void init(void);
virtual void* get_module();
virtual bx_bool beep_on(float frequency);
virtual bx_bool beep_off();
virtual void VOC_init_file(FILE *stream);
virtual void VOC_write_block(FILE *stream, int block, Bit32u headerlen,
Bit8u header[], Bit32u datalen, Bit8u data[]);
virtual void pcm_apply_volume(Bit32u datalen, Bit8u data[], Bit16u volume,
Bit8u bits, bx_bool stereo, bx_bool issigned);
Bit32u beep_generator(Bit16u rate, Bit8u *buffer, Bit32u len);
private:
bx_sound_lowlevel_c *soundmod;
int beep_callback_id;
bx_bool beep_active;
float beep_cur_freq;
};