From 4ae6300717a10c7fa850b800f18a730aee1d3e07 Mon Sep 17 00:00:00 2001 From: Bent Bisballe Nyeng Date: Fri, 5 Sep 2014 19:57:14 +0200 Subject: Internal code editor. Sound system. --- src/soundplayer.cc | 134 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 134 insertions(+) create mode 100644 src/soundplayer.cc (limited to 'src/soundplayer.cc') diff --git a/src/soundplayer.cc b/src/soundplayer.cc new file mode 100644 index 0000000..c59e84e --- /dev/null +++ b/src/soundplayer.cc @@ -0,0 +1,134 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set et sw=2 ts=2: */ +/*************************************************************************** + * soundplayer.cc + * + * Fri Sep 5 17:31:28 CEST 2014 + * Copyright 2014 Bent Bisballe Nyeng + * deva@aasimon.org + ****************************************************************************/ + +/* + * This file is part of Kaiman. + * + * Kaiman is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * Kaiman 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with Kaiman; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ +#include "soundplayer.h" + +#include +#include + +#define BUFSZ 512 + +SoundPlayer::SoundPlayer() +{ + start(); +} + +SoundPlayer::~SoundPlayer() +{ + running = false; + wait(); +} + +void SoundPlayer::run() +{ + + printf("SoundPlayer running\n"); + + ao_initialize(); + + ao_sample_format sf; + memset(&sf, 0, sizeof(sf)); + sf.bits = 16; + sf.rate = 44100; + sf.channels = 2; + sf.byte_format = AO_FMT_NATIVE; + + ao_device *dev = ao_open_live(ao_default_driver_id(), &sf, 0); + + running = true; + + short s[BUFSZ]; + while(running) { + + { // Check for new Selection. + QMutexLocker lock(&mutex); + while(queue.size()) { + printf(" - New sound\n"); + active.append(queue.front()); + queue.pop_front(); + } + } + + memset(s, 0, BUFSZ * sizeof(short)); + + QList::iterator it = active.begin(); + while(it != active.end()) { + QueueItem &item = *it; + + for(size_t i = 0; i < BUFSZ; i++) { + if(item.pos >= item.size) { + it = active.erase(it); + goto nextitem; + } + s[i] += item.samples[item.pos] * 32536; + item.pos++; + } + + it++; + + nextitem: + int a = 1;(void)a; + } + + ao_play(dev, (char*)s, BUFSZ * sizeof(short)); + } + + ao_close(dev); + ao_shutdown(); +} + +void SoundPlayer::playFile(QString file) +{ + + printf(" - playFile(%s)\n", file.toStdString().c_str()); + + SNDFILE *fh; + SF_INFO sf_info; + + fh = sf_open(file.toStdString().c_str(), SFM_READ, &sf_info); + if(!fh) { + printf("Load error '%s'\n", file.toStdString().c_str()); + return; + } + + size_t size = sf_info.frames * sf_info.channels; + float *data = new float[size]; + sf_read_float(fh, data, size); + + sf_close(fh); + + QueueItem qi; + qi.samples = data; + qi.pos = 0; + qi.size = size; + + { + QMutexLocker lock(&mutex); + queue.append(qi); + } + +} -- cgit v1.2.3