mirror of
https://github.com/dolphin-emu/dolphin.git
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1a8cbd7b95
git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@1536 8ced0084-cf51-0410-be5f-012b33b47a6e
92 lines
2.1 KiB
C++
92 lines
2.1 KiB
C++
// Copyright (C) 2003-2008 Dolphin Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0.
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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 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official SVN repository and contact information can be found at
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// http://code.google.com/p/dolphin-emu/
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#include <ao/ao.h>
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#include <pthread.h>
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#include <string.h>
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#include "AOSoundStream.h"
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namespace AOSound
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{
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pthread_t thread;
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StreamCallback callback;
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int buf_size;
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ao_device *device;
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ao_sample_format format;
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int default_driver;
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int sampleRate;
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volatile int threadData;
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short realtimeBuffer[1024 * 1024];
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int AOSound_GetSampleRate()
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{
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return sampleRate;
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}
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void *soundThread(void *)
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{
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ao_initialize();
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default_driver = ao_default_driver_id();
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format.bits = 16;
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format.channels = 2;
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format.rate = sampleRate;
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format.byte_format = AO_FMT_LITTLE;
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device = ao_open_live(default_driver, &format, NULL /* no options */);
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if (device == NULL)
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{
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fprintf(stderr, "Error opening device.\n");
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return false;
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}
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buf_size = format.bits/8 * format.channels * format.rate;
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while (!threadData)
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{
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uint_32 numBytesToRender = 256;
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(*callback)(realtimeBuffer, numBytesToRender >> 2, 16, sampleRate, 2);
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ao_play(device, (char*)realtimeBuffer, numBytesToRender);
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}
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ao_close(device);
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device = 0;
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ao_shutdown();
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return 0;
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}
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bool AOSound_StartSound(int _sampleRate, StreamCallback _callback)
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{
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callback = _callback;
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threadData = 0;
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sampleRate = _sampleRate;
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memset(realtimeBuffer, 0, sizeof(realtimeBuffer));
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pthread_create(&thread, NULL, soundThread, (void *)NULL);
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return true;
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}
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void AOSound_StopSound()
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{
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threadData = 1;
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void *retval;
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pthread_join(thread, &retval);
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}
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}
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