From ca51636f5cf67e393f271e7d057f51ceeee10f90 Mon Sep 17 00:00:00 2001
From: luigi2us <luigi2us@gmail.com>
Date: Mon, 6 Jul 2009 12:12:05 +0000
Subject: [PATCH] Put AFCdecodebuffer inside the CUCode_Zelda class.

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@3690 8ced0084-cf51-0410-be5f-012b33b47a6e
---
 .../Plugin_DSP_HLE/Plugin_DSP_HLE.vcproj      | 394 +++++++++---------
 .../Plugin_DSP_HLE/Src/UCodes/UCode_Zelda.h   |   3 +
 .../Src/UCodes/UCode_Zelda_ADPCM.cpp          |   5 +-
 .../Src/UCodes/UCode_Zelda_ADPCM.h            |  20 -
 4 files changed, 201 insertions(+), 221 deletions(-)
 delete mode 100644 Source/Plugins/Plugin_DSP_HLE/Src/UCodes/UCode_Zelda_ADPCM.h

diff --git a/Source/Plugins/Plugin_DSP_HLE/Plugin_DSP_HLE.vcproj b/Source/Plugins/Plugin_DSP_HLE/Plugin_DSP_HLE.vcproj
index ab6df2c916..1c16f33808 100644
--- a/Source/Plugins/Plugin_DSP_HLE/Plugin_DSP_HLE.vcproj
+++ b/Source/Plugins/Plugin_DSP_HLE/Plugin_DSP_HLE.vcproj
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="Windows-1252"?>
 <VisualStudioProject
 	ProjectType="Visual C++"
-	Version="9.00"
+	Version="9,00"
 	Name="Plugin_DSP_HLE"
 	ProjectGUID="{D6E56527-BBB9-4EAD-A6EC-49D4BF6AFCD8}"
 	RootNamespace="Plugin_DSP"
@@ -104,6 +104,188 @@
 				CommandLine="copy ..\..\..\Externals\OpenAL\Win32\OpenAL32.dll ..\..\..\Binary\Win32\OpenAL32.dll /Y&#x0D;&#x0A;copy ..\..\..\Externals\OpenAL\Win32\wrap_oal.dll ..\..\..\Binary\Win32\wrap_oal.dll /Y&#x0D;&#x0A;"
 			/>
 		</Configuration>
+		<Configuration
+			Name="Release|Win32"
+			OutputDirectory="$(PlatformName)\$(ConfigurationName)"
+			IntermediateDirectory="$(PlatformName)\$(ConfigurationName)"
+			ConfigurationType="2"
+			InheritedPropertySheets="$(VCInstallDir)VCProjectDefaults\UpgradeFromVC71.vsprops"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				Optimization="2"
+				InlineFunctionExpansion="2"
+				EnableIntrinsicFunctions="true"
+				FavorSizeOrSpeed="1"
+				OmitFramePointers="true"
+				AdditionalIncludeDirectories="../../Core/Common/Src;../../Core/AudioCommon/Src;../../PluginSpecs;..\..\..\Externals\wxWidgets\Include;..\..\..\Externals\wxWidgets\Include\msvc"
+				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;DSP_HLE_EXPORTS;_SECURE_SCL=0"
+				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
+				EnableEnhancedInstructionSet="2"
+				FloatingPointModel="0"
+				UsePrecompiledHeader="2"
+				AssemblerListingLocation="$(IntDir)\"
+				WarningLevel="3"
+				DebugInformationFormat="3"
+				ForcedIncludeFiles="stdafx.h"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				AdditionalDependencies="dxguid.lib dsound.lib dxerr.lib comctl32.lib winmm.lib OpenAL32.lib"
+				OutputFile="../../../Binary/Win32/Plugins/Plugin_DSP_HLE.dll"
+				LinkIncremental="1"
+				AdditionalLibraryDirectories="&quot;..\..\AudioCommon\$(PlatformName)\$(ConfigurationName)&quot;;../../../Externals/OpenAL/Win32/"
+				GenerateManifest="false"
+				GenerateDebugInformation="true"
+				ProgramDatabaseFile="$(PlatformName)\$(ConfigurationName)\$(TargetName).pdb"
+				SubSystem="2"
+				OptimizeReferences="2"
+				EnableCOMDATFolding="2"
+				RandomizedBaseAddress="1"
+				DataExecutionPrevention="0"
+				ImportLibrary="$(PlatformName)\$(ConfigurationName)\$(TargetName).lib"
+				TargetMachine="1"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+				CommandLine="copy ..\..\..\Externals\OpenAL\Win32\OpenAL32.dll ..\..\..\Binary\Win32\OpenAL32.dll /Y&#x0D;&#x0A;copy ..\..\..\Externals\OpenAL\Win32\wrap_oal.dll ..\..\..\Binary\Win32\wrap_oal.dll /Y&#x0D;&#x0A;"
+			/>
+		</Configuration>
+		<Configuration
+			Name="DebugFast|Win32"
+			OutputDirectory="$(PlatformName)\$(ConfigurationName)"
+			IntermediateDirectory="$(PlatformName)\$(ConfigurationName)"
+			ConfigurationType="2"
+			InheritedPropertySheets="$(VCInstallDir)VCProjectDefaults\UpgradeFromVC71.vsprops"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				Optimization="2"
+				InlineFunctionExpansion="2"
+				EnableIntrinsicFunctions="true"
+				FavorSizeOrSpeed="1"
+				OmitFramePointers="true"
+				AdditionalIncludeDirectories="../../Core/Common/Src;../../Core/AudioCommon/Src;../../PluginSpecs;..\..\..\Externals\wxWidgets\Include;..\..\..\Externals\wxWidgets\Include\msvc"
+				PreprocessorDefinitions="DEBUGFAST;WIN32;NDEBUG;_WINDOWS;_USRDLL;DSP_HLE_EXPORTS;_SECURE_SCL=0"
+				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
+				EnableEnhancedInstructionSet="2"
+				FloatingPointModel="0"
+				UsePrecompiledHeader="2"
+				AssemblerListingLocation="$(IntDir)\"
+				WarningLevel="3"
+				DebugInformationFormat="3"
+				ForcedIncludeFiles="stdafx.h"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				AdditionalDependencies="dxguid.lib dsound.lib dxerr.lib comctl32.lib winmm.lib OpenAL32.lib"
+				OutputFile="../../../Binary/Win32/Plugins/Plugin_DSP_HLEDF.dll"
+				LinkIncremental="1"
+				AdditionalLibraryDirectories="&quot;..\..\AudioCommon\$(PlatformName)\$(ConfigurationName)&quot;;../../../Externals/OpenAL/Win32/"
+				GenerateManifest="false"
+				GenerateDebugInformation="true"
+				ProgramDatabaseFile="$(PlatformName)\$(ConfigurationName)\$(TargetName).pdb"
+				SubSystem="2"
+				OptimizeReferences="2"
+				EnableCOMDATFolding="2"
+				RandomizedBaseAddress="1"
+				DataExecutionPrevention="0"
+				ImportLibrary="$(PlatformName)\$(ConfigurationName)\$(TargetName).lib"
+				TargetMachine="1"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+				CommandLine="copy ..\..\..\Externals\OpenAL\Win32\OpenAL32.dll ..\..\..\Binary\Win32\OpenAL32.dll /Y&#x0D;&#x0A;copy ..\..\..\Externals\OpenAL\Win32\wrap_oal.dll ..\..\..\Binary\Win32\wrap_oal.dll /Y&#x0D;&#x0A;"
+			/>
+		</Configuration>
 		<Configuration
 			Name="Debug|x64"
 			OutputDirectory="$(PlatformName)\$(ConfigurationName)"
@@ -190,97 +372,6 @@
 				CommandLine="copy ..\..\..\Externals\OpenAL\Win64\OpenAL32.dll ..\..\..\Binary\x64\OpenAL32.dll /Y&#x0D;&#x0A;copy ..\..\..\Externals\OpenAL\Win64\wrap_oal.dll ..\..\..\Binary\x64\wrap_oal.dll /Y&#x0D;&#x0A;"
 			/>
 		</Configuration>
-		<Configuration
-			Name="Release|Win32"
-			OutputDirectory="$(PlatformName)\$(ConfigurationName)"
-			IntermediateDirectory="$(PlatformName)\$(ConfigurationName)"
-			ConfigurationType="2"
-			InheritedPropertySheets="$(VCInstallDir)VCProjectDefaults\UpgradeFromVC71.vsprops"
-			CharacterSet="2"
-			>
-			<Tool
-				Name="VCPreBuildEventTool"
-			/>
-			<Tool
-				Name="VCCustomBuildTool"
-			/>
-			<Tool
-				Name="VCXMLDataGeneratorTool"
-			/>
-			<Tool
-				Name="VCWebServiceProxyGeneratorTool"
-			/>
-			<Tool
-				Name="VCMIDLTool"
-			/>
-			<Tool
-				Name="VCCLCompilerTool"
-				Optimization="2"
-				InlineFunctionExpansion="2"
-				EnableIntrinsicFunctions="true"
-				FavorSizeOrSpeed="1"
-				OmitFramePointers="true"
-				AdditionalIncludeDirectories="../../Core/Common/Src;../../Core/AudioCommon/Src;../../PluginSpecs;..\..\..\Externals\wxWidgets\Include;..\..\..\Externals\wxWidgets\Include\msvc"
-				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;DSP_HLE_EXPORTS;_SECURE_SCL=0"
-				RuntimeLibrary="0"
-				BufferSecurityCheck="false"
-				EnableEnhancedInstructionSet="2"
-				FloatingPointModel="0"
-				UsePrecompiledHeader="2"
-				AssemblerListingLocation="$(IntDir)\"
-				WarningLevel="3"
-				DebugInformationFormat="3"
-				ForcedIncludeFiles="stdafx.h"
-			/>
-			<Tool
-				Name="VCManagedResourceCompilerTool"
-			/>
-			<Tool
-				Name="VCResourceCompilerTool"
-			/>
-			<Tool
-				Name="VCPreLinkEventTool"
-			/>
-			<Tool
-				Name="VCLinkerTool"
-				AdditionalDependencies="dxguid.lib dsound.lib dxerr.lib comctl32.lib winmm.lib OpenAL32.lib"
-				OutputFile="../../../Binary/Win32/Plugins/Plugin_DSP_HLE.dll"
-				LinkIncremental="1"
-				AdditionalLibraryDirectories="&quot;..\..\AudioCommon\$(PlatformName)\$(ConfigurationName)&quot;;../../../Externals/OpenAL/Win32/"
-				GenerateManifest="false"
-				GenerateDebugInformation="true"
-				ProgramDatabaseFile="$(PlatformName)\$(ConfigurationName)\$(TargetName).pdb"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
-				RandomizedBaseAddress="1"
-				DataExecutionPrevention="0"
-				ImportLibrary="$(PlatformName)\$(ConfigurationName)\$(TargetName).lib"
-				TargetMachine="1"
-			/>
-			<Tool
-				Name="VCALinkTool"
-			/>
-			<Tool
-				Name="VCManifestTool"
-			/>
-			<Tool
-				Name="VCXDCMakeTool"
-			/>
-			<Tool
-				Name="VCBscMakeTool"
-			/>
-			<Tool
-				Name="VCFxCopTool"
-			/>
-			<Tool
-				Name="VCAppVerifierTool"
-			/>
-			<Tool
-				Name="VCPostBuildEventTool"
-				CommandLine="copy ..\..\..\Externals\OpenAL\Win32\OpenAL32.dll ..\..\..\Binary\Win32\OpenAL32.dll /Y&#x0D;&#x0A;copy ..\..\..\Externals\OpenAL\Win32\wrap_oal.dll ..\..\..\Binary\Win32\wrap_oal.dll /Y&#x0D;&#x0A;"
-			/>
-		</Configuration>
 		<Configuration
 			Name="Release|x64"
 			OutputDirectory="$(PlatformName)\$(ConfigurationName)"
@@ -372,97 +463,6 @@
 				CommandLine="copy ..\..\..\Externals\OpenAL\Win64\OpenAL32.dll ..\..\..\Binary\x64\OpenAL32.dll /Y&#x0D;&#x0A;copy ..\..\..\Externals\OpenAL\Win64\wrap_oal.dll ..\..\..\Binary\x64\wrap_oal.dll /Y&#x0D;&#x0A;"
 			/>
 		</Configuration>
-		<Configuration
-			Name="DebugFast|Win32"
-			OutputDirectory="$(PlatformName)\$(ConfigurationName)"
-			IntermediateDirectory="$(PlatformName)\$(ConfigurationName)"
-			ConfigurationType="2"
-			InheritedPropertySheets="$(VCInstallDir)VCProjectDefaults\UpgradeFromVC71.vsprops"
-			CharacterSet="2"
-			>
-			<Tool
-				Name="VCPreBuildEventTool"
-			/>
-			<Tool
-				Name="VCCustomBuildTool"
-			/>
-			<Tool
-				Name="VCXMLDataGeneratorTool"
-			/>
-			<Tool
-				Name="VCWebServiceProxyGeneratorTool"
-			/>
-			<Tool
-				Name="VCMIDLTool"
-			/>
-			<Tool
-				Name="VCCLCompilerTool"
-				Optimization="2"
-				InlineFunctionExpansion="2"
-				EnableIntrinsicFunctions="true"
-				FavorSizeOrSpeed="1"
-				OmitFramePointers="true"
-				AdditionalIncludeDirectories="../../Core/Common/Src;../../Core/AudioCommon/Src;../../PluginSpecs;..\..\..\Externals\wxWidgets\Include;..\..\..\Externals\wxWidgets\Include\msvc"
-				PreprocessorDefinitions="DEBUGFAST;WIN32;NDEBUG;_WINDOWS;_USRDLL;DSP_HLE_EXPORTS;_SECURE_SCL=0"
-				RuntimeLibrary="0"
-				BufferSecurityCheck="false"
-				EnableEnhancedInstructionSet="2"
-				FloatingPointModel="0"
-				UsePrecompiledHeader="2"
-				AssemblerListingLocation="$(IntDir)\"
-				WarningLevel="3"
-				DebugInformationFormat="3"
-				ForcedIncludeFiles="stdafx.h"
-			/>
-			<Tool
-				Name="VCManagedResourceCompilerTool"
-			/>
-			<Tool
-				Name="VCResourceCompilerTool"
-			/>
-			<Tool
-				Name="VCPreLinkEventTool"
-			/>
-			<Tool
-				Name="VCLinkerTool"
-				AdditionalDependencies="dxguid.lib dsound.lib dxerr.lib comctl32.lib winmm.lib OpenAL32.lib"
-				OutputFile="../../../Binary/Win32/Plugins/Plugin_DSP_HLEDF.dll"
-				LinkIncremental="1"
-				AdditionalLibraryDirectories="&quot;..\..\AudioCommon\$(PlatformName)\$(ConfigurationName)&quot;;../../../Externals/OpenAL/Win32/"
-				GenerateManifest="false"
-				GenerateDebugInformation="true"
-				ProgramDatabaseFile="$(PlatformName)\$(ConfigurationName)\$(TargetName).pdb"
-				SubSystem="2"
-				OptimizeReferences="2"
-				EnableCOMDATFolding="2"
-				RandomizedBaseAddress="1"
-				DataExecutionPrevention="0"
-				ImportLibrary="$(PlatformName)\$(ConfigurationName)\$(TargetName).lib"
-				TargetMachine="1"
-			/>
-			<Tool
-				Name="VCALinkTool"
-			/>
-			<Tool
-				Name="VCManifestTool"
-			/>
-			<Tool
-				Name="VCXDCMakeTool"
-			/>
-			<Tool
-				Name="VCBscMakeTool"
-			/>
-			<Tool
-				Name="VCFxCopTool"
-			/>
-			<Tool
-				Name="VCAppVerifierTool"
-			/>
-			<Tool
-				Name="VCPostBuildEventTool"
-				CommandLine="copy ..\..\..\Externals\OpenAL\Win32\OpenAL32.dll ..\..\..\Binary\Win32\OpenAL32.dll /Y&#x0D;&#x0A;copy ..\..\..\Externals\OpenAL\Win32\wrap_oal.dll ..\..\..\Binary\Win32\wrap_oal.dll /Y&#x0D;&#x0A;"
-			/>
-		</Configuration>
 		<Configuration
 			Name="DebugFast|x64"
 			OutputDirectory="$(PlatformName)\$(ConfigurationName)"
@@ -616,7 +616,7 @@
 						/>
 					</FileConfiguration>
 					<FileConfiguration
-						Name="Release|x64"
+						Name="DebugFast|Win32"
 						>
 						<Tool
 							Name="VCCLCompilerTool"
@@ -624,7 +624,7 @@
 						/>
 					</FileConfiguration>
 					<FileConfiguration
-						Name="DebugFast|Win32"
+						Name="Release|x64"
 						>
 						<Tool
 							Name="VCCLCompilerTool"
@@ -684,10 +684,6 @@
 					RelativePath=".\Src\UCodes\UCode_Zelda_ADPCM.cpp"
 					>
 				</File>
-				<File
-					RelativePath=".\Src\UCodes\UCode_Zelda_ADPCM.h"
-					>
-				</File>
 				<File
 					RelativePath=".\Src\UCodes\UCode_Zelda_Obsolete.txt"
 					>
@@ -821,14 +817,6 @@
 					UsePrecompiledHeader="1"
 				/>
 			</FileConfiguration>
-			<FileConfiguration
-				Name="Debug|x64"
-				>
-				<Tool
-					Name="VCCLCompilerTool"
-					UsePrecompiledHeader="1"
-				/>
-			</FileConfiguration>
 			<FileConfiguration
 				Name="Release|Win32"
 				>
@@ -838,7 +826,7 @@
 				/>
 			</FileConfiguration>
 			<FileConfiguration
-				Name="Release|x64"
+				Name="DebugFast|Win32"
 				>
 				<Tool
 					Name="VCCLCompilerTool"
@@ -846,7 +834,15 @@
 				/>
 			</FileConfiguration>
 			<FileConfiguration
-				Name="DebugFast|Win32"
+				Name="Debug|x64"
+				>
+				<Tool
+					Name="VCCLCompilerTool"
+					UsePrecompiledHeader="1"
+				/>
+			</FileConfiguration>
+			<FileConfiguration
+				Name="Release|x64"
 				>
 				<Tool
 					Name="VCCLCompilerTool"
diff --git a/Source/Plugins/Plugin_DSP_HLE/Src/UCodes/UCode_Zelda.h b/Source/Plugins/Plugin_DSP_HLE/Src/UCodes/UCode_Zelda.h
index 9bd049033b..4b5538a830 100644
--- a/Source/Plugins/Plugin_DSP_HLE/Src/UCodes/UCode_Zelda.h
+++ b/Source/Plugins/Plugin_DSP_HLE/Src/UCodes/UCode_Zelda.h
@@ -213,6 +213,9 @@ private:
 
 	void ExecuteList();
 
+	// AFC decoder
+	void AFCdecodebuffer(const s16 *coef, const char *input, signed short *out, short *histp, short *hist2p, int type);
+
 	void ReadVoicePB(u32 _Addr, ZeldaVoicePB& PB);
 	void WritebackVoicePB(u32 _Addr, ZeldaVoicePB& PB);
 
diff --git a/Source/Plugins/Plugin_DSP_HLE/Src/UCodes/UCode_Zelda_ADPCM.cpp b/Source/Plugins/Plugin_DSP_HLE/Src/UCodes/UCode_Zelda_ADPCM.cpp
index b611a5c7d5..be5c7c5cf0 100644
--- a/Source/Plugins/Plugin_DSP_HLE/Src/UCodes/UCode_Zelda_ADPCM.cpp
+++ b/Source/Plugins/Plugin_DSP_HLE/Src/UCodes/UCode_Zelda_ADPCM.cpp
@@ -16,9 +16,9 @@
 // http://code.google.com/p/dolphin-emu/
 
 #include "Common.h"
-#include "UCode_Zelda_ADPCM.h"
+#include "UCode_Zelda.h"
 
-void AFCdecodebuffer(const s16 *coef, const char *input, signed short *out, short *histp, short *hist2p, int type)
+void CUCode_Zelda::AFCdecodebuffer(const s16 *coef, const char *input, signed short *out, short *histp, short *hist2p, int type)
 {
     short nibbles[16];
     short hist = *histp;
@@ -79,6 +79,7 @@ void AFCdecodebuffer(const s16 *coef, const char *input, signed short *out, shor
         int sample = (delta * nibbles[i]) << 11;
         sample += ((long)hist * coef[idx * 2]) + ((long)hist2 * coef[idx * 2 + 1]);
         sample = sample >> 11;
+
         if (sample > 32767) {
             sample = 32767;
         }
diff --git a/Source/Plugins/Plugin_DSP_HLE/Src/UCodes/UCode_Zelda_ADPCM.h b/Source/Plugins/Plugin_DSP_HLE/Src/UCodes/UCode_Zelda_ADPCM.h
deleted file mode 100644
index 0af424494c..0000000000
--- a/Source/Plugins/Plugin_DSP_HLE/Src/UCodes/UCode_Zelda_ADPCM.h
+++ /dev/null
@@ -1,20 +0,0 @@
-// Copyright (C) 2003-2008 Dolphin Project.
-
-// This program 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, version 2.0.
-
-// This program 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 2.0 for more details.
-
-// A copy of the GPL 2.0 should have been included with the program.
-// If not, see http://www.gnu.org/licenses/
-
-// Official SVN repository and contact information can be found at
-// http://code.google.com/p/dolphin-emu/
-
-#include "Common.h"
-
-void AFCdecodebuffer(const s16 *coef, const char *input, signed short *out, short *histp, short *hist2p, int type);