1 files changed, 97 insertions, 0 deletions
diff --git a/intern/audaspace/SDL/AUD_SDLDevice.cpp b/intern/audaspace/SDL/AUD_SDLDevice.cpp
new file mode 100644
index 00000000000..9ea5f1a74ee
--- /dev/null
+++ b/intern/audaspace/SDL/AUD_SDLDevice.cpp
@@ -0,0 +1,97 @@
+/*
+ * $Id$
+ *
+ * ***** BEGIN LGPL LICENSE BLOCK *****
+ *
+ * Copyright 2009 Jörg Hermann Müller
+ *
+ * This file is part of AudaSpace.
+ *
+ * AudaSpace 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * AudaSpace 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 AudaSpace.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * ***** END LGPL LICENSE BLOCK *****
+ */
+
+#include "AUD_SDLMixer.h"
+#include "AUD_SDLDevice.h"
+#include "AUD_IReader.h"
+
+#include <SDL.h>
+
+// this is the callback function for SDL, it only calls the class
+void mixAudio(void *data, Uint8* buffer, int length)
+{
+	AUD_SDLDevice* device = (AUD_SDLDevice*)data;
+	device->SDLmix((sample_t *)buffer, length);
+}
+
+AUD_SDLDevice::AUD_SDLDevice(AUD_Specs specs, int buffersize)
+{
+	if(specs.channels == AUD_CHANNELS_INVALID)
+		specs.channels = AUD_CHANNELS_STEREO;
+	if(specs.format == AUD_FORMAT_INVALID)
+		specs.format = AUD_FORMAT_S16;
+	if(specs.rate == AUD_RATE_INVALID)
+		specs.rate = AUD_RATE_44100;
+
+	m_specs = specs;
+
+	SDL_AudioSpec format, obtained;
+
+	format.freq = m_specs.rate;
+	if(m_specs.format == AUD_FORMAT_U8)
+		format.format = AUDIO_U8;
+	else
+		format.format = AUDIO_S16SYS;
+	format.channels = m_specs.channels;
+	format.samples = buffersize;
+	format.callback = &mixAudio;
+	format.userdata = this;
+
+	if(SDL_OpenAudio(&format, &obtained) != 0)
+		AUD_THROW(AUD_ERROR_SDL);
+
+	m_specs.rate = (AUD_SampleRate)obtained.freq;
+	m_specs.channels = (AUD_Channels)obtained.channels;
+	if(obtained.format == AUDIO_U8)
+		m_specs.format = AUD_FORMAT_U8;
+	else if(obtained.format == AUDIO_S16LSB || obtained.format == AUDIO_S16MSB)
+		m_specs.format = AUD_FORMAT_S16;
+	else
+		AUD_THROW(AUD_ERROR_SDL);
+
+	m_mixer = new AUD_SDLMixer(); AUD_NEW("mixer")
+	m_mixer->setSpecs(m_specs);
+
+	create();
+}
+
+AUD_SDLDevice::~AUD_SDLDevice()
+{
+	lock();
+	SDL_CloseAudio();
+	unlock();
+
+	destroy();
+}
+
+void AUD_SDLDevice::SDLmix(sample_t* buffer, int length)
+{
+	mix(buffer, length/AUD_SAMPLE_SIZE(m_specs));
+}
+
+void AUD_SDLDevice::playing(bool playing)
+{
+	SDL_PauseAudio(playing ? 0 : 1);
+}