From ac87bfc370ec15c9c81f8738659fb2582b14b792 Mon Sep 17 00:00:00 2001
From: Jeremy Simon <jsimon13@yahoo.fr>
Date: Thu, 28 Feb 2002 21:10:42 +0000
Subject: adding modplug

Original commit message from CVS:
adding modplug
---
 gst/modplug/libmodplug/modplug.cpp | 140 +++++++++++++++++++++++++++++++++++++
 1 file changed, 140 insertions(+)
 create mode 100644 gst/modplug/libmodplug/modplug.cpp

(limited to 'gst/modplug/libmodplug/modplug.cpp')

diff --git a/gst/modplug/libmodplug/modplug.cpp b/gst/modplug/libmodplug/modplug.cpp
new file mode 100644
index 00000000..aea7d24c
--- /dev/null
+++ b/gst/modplug/libmodplug/modplug.cpp
@@ -0,0 +1,140 @@
+/*
+ * This source code is public domain.
+ *
+ * Authors: Kenton Varda <temporal@gauge3d.org> (C interface wrapper)
+ */
+
+#include "modplug.h"
+#include "stdafx.h"
+#include "sndfile.h"
+
+struct _ModPlugFile
+{
+	CSoundFile mSoundFile;
+};
+
+namespace ModPlug
+{
+	ModPlug_Settings gSettings =
+	{
+		MODPLUG_ENABLE_OVERSAMPLING | MODPLUG_ENABLE_NOISE_REDUCTION,
+
+		2,
+		16,
+		44100,
+		MODPLUG_RESAMPLE_LINEAR,
+
+		0,
+		0,
+		0,
+		0,
+		0,
+		0,
+		0
+	};
+
+	int gSampleSize;
+
+	void UpdateSettings(bool updateBasicConfig)
+	{
+		if(gSettings.mFlags & MODPLUG_ENABLE_REVERB)
+		{
+			CSoundFile::SetReverbParameters(gSettings.mReverbDepth,
+			                                gSettings.mReverbDelay);
+		}
+
+		if(gSettings.mFlags & MODPLUG_ENABLE_MEGABASS)
+		{
+			CSoundFile::SetXBassParameters(gSettings.mBassAmount,
+			                               gSettings.mBassRange);
+		}
+		else // modplug seems to ignore the SetWaveConfigEx() setting for bass boost
+			CSoundFile::SetXBassParameters(0, 0);
+
+		if(gSettings.mFlags & MODPLUG_ENABLE_SURROUND)
+		{
+			CSoundFile::SetSurroundParameters(gSettings.mSurroundDepth,
+			                                  gSettings.mSurroundDelay);
+		}
+
+		if(updateBasicConfig)
+		{
+			CSoundFile::SetWaveConfig(gSettings.mFrequency,
+			                          gSettings.mBits,
+			                          gSettings.mChannels);
+
+			gSampleSize = gSettings.mBits / 8 * gSettings.mChannels;
+		}
+
+		CSoundFile::SetWaveConfigEx(gSettings.mFlags & MODPLUG_ENABLE_SURROUND,
+		                            !(gSettings.mFlags & MODPLUG_ENABLE_OVERSAMPLING),
+		                            gSettings.mFlags & MODPLUG_ENABLE_REVERB,
+		                            true,
+		                            gSettings.mFlags & MODPLUG_ENABLE_MEGABASS,
+		                            gSettings.mFlags & MODPLUG_ENABLE_NOISE_REDUCTION,
+		                            false);
+		CSoundFile::SetResamplingMode(gSettings.mResamplingMode);
+	}
+}
+
+ModPlugFile* ModPlug_Load(const void* data, int size)
+{
+	ModPlugFile* result = new ModPlugFile;
+	ModPlug::UpdateSettings(true);
+	if(result->mSoundFile.Create((const BYTE*)data, size))
+	{
+		result->mSoundFile.SetRepeatCount(ModPlug::gSettings.mLoopCount);
+		return result;
+	}
+	else
+	{
+		delete result;
+		return NULL;
+	}
+}
+
+void ModPlug_Unload(ModPlugFile* file)
+{
+	file->mSoundFile.Destroy();
+	delete file;
+}
+
+int ModPlug_Read(ModPlugFile* file, void* buffer, int size)
+{
+	return file->mSoundFile.Read(buffer, size) * ModPlug::gSampleSize;
+}
+
+const char* ModPlug_GetName(ModPlugFile* file)
+{
+	return file->mSoundFile.GetTitle();
+}
+
+int ModPlug_GetLength(ModPlugFile* file)
+{
+	return file->mSoundFile.GetSongTime() * 1000;
+}
+
+void ModPlug_Seek(ModPlugFile* file, int millisecond)
+{
+	int maxpos;
+	int maxtime = file->mSoundFile.GetSongTime() * 1000;
+	float postime;
+
+	if(millisecond > maxtime)
+		millisecond = maxtime;
+	maxpos = file->mSoundFile.GetMaxPosition();
+	postime = (float)maxpos / (float)maxtime;
+
+	file->mSoundFile.SetCurrentPos((int)(millisecond * postime));
+}
+
+void ModPlug_GetSettings(ModPlug_Settings* settings)
+{
+	memcpy(settings, &ModPlug::gSettings, sizeof(ModPlug_Settings));
+}
+
+void ModPlug_SetSettings(const ModPlug_Settings* settings)
+{
+	memcpy(&ModPlug::gSettings, settings, sizeof(ModPlug_Settings));
+	ModPlug::UpdateSettings(false);
+}
-- 
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