83 lines
2.2 KiB
C++
83 lines
2.2 KiB
C++
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/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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// Allow use of stuff in <nds.h>
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#define FORBIDDEN_SYMBOL_EXCEPTION_printf
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#define FORBIDDEN_SYMBOL_EXCEPTION_unistd_h
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#include "common/scummsys.h"
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#if defined(__DS__)
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#include "backends/mixer/maxmod/maxmod-mixer.h"
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#include "common/system.h"
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#include <nds.h>
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#include <maxmod9.h>
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MaxModMixerManager::MaxModMixerManager(int freq, int bufSize)
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:
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_mixer(0),
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_freq(freq),
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_bufSize(bufSize) {
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}
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MaxModMixerManager::~MaxModMixerManager() {
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_mixer->setReady(false);
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mmStreamClose();
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delete _mixer;
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}
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mm_word on_stream_request( mm_word length, mm_addr dest, mm_stream_formats format ) {
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Audio::MixerImpl *mixer = (Audio::MixerImpl *)g_system->getMixer();
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assert(mixer);
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mixer->mixCallback((byte *)dest, length * 4);
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return length;
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}
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void MaxModMixerManager::init() {
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_mixer = new Audio::MixerImpl(_freq);
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assert(_mixer);
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mm_ds_system sys;
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sys.mod_count = 0;
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sys.samp_count = 0;
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sys.mem_bank = 0;
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sys.fifo_channel = FIFO_MAXMOD;
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mmInit( &sys );
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mm_stream mystream;
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mystream.sampling_rate = _freq;
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mystream.buffer_length = _bufSize / 4;
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mystream.callback = on_stream_request;
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mystream.format = MM_STREAM_16BIT_STEREO;
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mystream.timer = MM_TIMER2;
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mystream.manual = 0;
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mmStreamOpen( &mystream );
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_mixer->setReady(true);
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}
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#endif
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