initial bits of ilbc codec mod.

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@452 d0543943-73ff-0310-b7d9-9358b9ac24b2

libs/codec/ilbc/Makefile

@@ -5,11 +5,11 @@ CFLAGS += -fPIC
 endif
 LIB=libilbc.a
 
-OBJS= anaFilter.o iCBSearch.o packing.o \
-        constants.o gainquant.o iLBC_decode.o StateConstructW.o \
-        createCB.o getCBvec.o iLBC_encode.o StateSearchW.o doCPLC.o \
-        helpfun.o syntFilter.o enhancer.o hpInput.o LPCdecode.o \
-        filter.o hpOutput.o LPCencode.o FrameClassify.o  iCBConstruct.o lsf.o
+OBJS= src/anaFilter.o src/iCBSearch.o src/packing.o \
+        src/constants.o src/gainquant.o src/iLBC_decode.o src/StateConstructW.o \
+        src/createCB.o src/getCBvec.o src/iLBC_encode.o src/StateSearchW.o src/doCPLC.o \
+        src/helpfun.o src/syntFilter.o src/enhancer.o src/hpInput.o src/LPCdecode.o \
+        src/filter.o src/hpOutput.o src/LPCencode.o src/FrameClassify.o  src/iCBConstruct.o src/lsf.o
 
 all: $(LIB)
 

libs/codec/ilbc/Makefile.am

@@ -0,0 +1,25 @@
+EXTRA_DIST =
+SUBDIRS = 
+AUTOMAKE_OPTS= gnu
+MAKE=gmake
+NAME=libilbc
+
+AM_CC=gcc
+AM_CFLAGS	= -Wall -O3 -funroll-loops
+AM_CPPFLAGS = $(AM_CFLAGS)
+
+lib_LTLIBRARIES		= libilbc.la
+libgsm_la_SOURCES	= src/anaFilter.o src/iCBSearch.o src/packing.o \
+        src/constants.o src/gainquant.o src/iLBC_decode.o src/StateConstructW.o \
+        src/createCB.o src/getCBvec.o src/iLBC_encode.o src/StateSearchW.o src/doCPLC.o \
+        src/helpfun.o src/syntFilter.o src/enhancer.o src/hpInput.o src/LPCdecode.o \
+        src/filter.o src/hpOutput.o src/LPCencode.o src/FrameClassify.o  src/iCBConstruct.o src/lsf.o
+
+libgsm_la_CFLAGS	= $(AM_CFLAGS)
+libgsm_la_LDFLAGS	= 
+
+
+
+
+
+

libs/codec/ilbc/configure.in

@@ -0,0 +1,34 @@
+#                                               -*- Autoconf -*-
+# Process this file with autoconf to produce a configure script.
+
+AC_PREREQ(2.59)
+AC_INIT(FULL-PACKAGE-NAME, VERSION, BUG-REPORT-ADDRESS)
+AM_INIT_AUTOMAKE(libilbc,0.1)
+AC_CONFIG_SRCDIR([src])
+
+# Checks for programs.
+AC_PROG_CC
+AC_PROG_MAKE_SET
+AC_PROG_LIBTOOL
+AC_PROG_INSTALL
+
+# Checks for header files.
+AC_HEADER_DIRENT
+AC_HEADER_STDC
+
+# Checks for typedefs, structures, and compiler characteristics.
+AC_C_CONST
+AC_C_INLINE
+AC_TYPE_SIZE_T
+AC_HEADER_TIME
+AC_STRUCT_TM
+
+# Checks for library functions.
+AC_PROG_GCC_TRADITIONAL
+AC_FUNC_MALLOC
+AC_TYPE_SIGNAL
+AC_FUNC_STRFTIME
+
+AC_CONFIG_FILES([Makefile])
+
+AC_OUTPUT

src/mod/codecs/mod_ilbc/Makefile

@@ -0,0 +1,16 @@
+LDFLAGS +=-lilbc
+
+all:	depends $(MODNAME).so
+
+depends:
+	$(BASE)/buildlib.sh $(BASE) install codec/ilbc --prefix=$(PREFIX)
+
+$(MODNAME).so: $(MODNAME).c
+	$(CC) $(CFLAGS) -fPIC -c $(MODNAME).c -o $(MODNAME).o
+	$(CC) $(SOLINK) $(MODNAME).o -o $(MODNAME).so $(LDFLAGS)
+
+clean:
+	rm -fr *.so *.o *~
+
+install:
+	cp -f $(MODNAME).so $(PREFIX)/mod

src/mod/codecs/mod_ilbc/mod_ilbc.c

@@ -0,0 +1,175 @@
+/* 
+ * FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
+ * Copyright (C) 2005/2006, Anthony Minessale II <anthmct@yahoo.com>
+ *
+ * Version: MPL 1.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
+ *
+ * The Initial Developer of the Original Code is
+ * Anthony Minessale II <anthmct@yahoo.com>
+ * Portions created by the Initial Developer are Copyright (C)
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ * 
+ * Anthony Minessale II <anthmct@yahoo.com>
+ * Michael Jerris <mike@jerris.com>
+ *
+ * mod_codec_gsm.c -- gsm Codec Module
+ *
+ */  
+#include "switch.h"
+#include "gsm.h"
+
static const char modname[] = "mod_codec_gsm";
+

struct gsm_context {
+	
gsm encoder;
+	
gsm decoder;
+
};
+

static switch_status switch_gsm_init(switch_codec *codec, switch_codec_flag flags,
+									   const struct switch_codec_settings *codec_settings) 
+{
+	
struct gsm_context *context;
+	
int encoding, decoding;
+	

encoding = (flags & SWITCH_CODEC_FLAG_ENCODE);
+	
decoding = (flags & SWITCH_CODEC_FLAG_DECODE);
+	

if (!(encoding || decoding)) {
+		
return SWITCH_STATUS_FALSE;
+	
} else {
+		
context = switch_core_alloc(codec->memory_pool, sizeof(*context));
+		
if (encoding)
+			context->encoder = gsm_create();
+		
if (decoding)
+			context->decoder = gsm_create();
+	
}
+	

codec->private = context;
+	

return SWITCH_STATUS_SUCCESS;
+

}
+

static switch_status switch_gsm_destroy(switch_codec *codec) 
+{
+	
struct gsm_context *context = codec->private;
+	
int encoding = (codec->flags & SWITCH_CODEC_FLAG_ENCODE);
+	
int decoding = (codec->flags & SWITCH_CODEC_FLAG_DECODE);
+	

if (encoding)
+		gsm_destroy(context->encoder);
+	
if (decoding)
+		gsm_destroy(context->decoder);
+	

codec->private = NULL;
+	
return SWITCH_STATUS_SUCCESS;
+
}
+


static switch_status switch_gsm_encode(switch_codec *codec, 
switch_codec *other_codec, 
void *decoded_data,
+										  
size_t decoded_data_len, 
int decoded_rate, 
void *encoded_data,
+										  
size_t *encoded_data_len, 
int *encoded_rate, 
unsigned int *flag) 
+{
+	
struct gsm_context *context = codec->private;
+	
int cbret = 0;
+	

if (!context) {
+		
return SWITCH_STATUS_FALSE;
+	
}
+	
if (decoded_data_len % 320 == 0) {
+		
unsigned int new_len = 0;
+		
gsm_signal * ddp = decoded_data;
+		
gsm_byte * edp = encoded_data;
+		
int x;
+		
int loops = (int) decoded_data_len / 320;
+		
for (x = 0; x < loops && new_len < *encoded_data_len; x++) {
+			
gsm_encode(context->encoder, ddp, edp);
+			
edp += 33;
+			
ddp += 160;
+			
new_len += 33;
+		
}
+		
if (new_len <= *encoded_data_len) {
+			
*encoded_data_len = new_len;
+		
} else {
+			
switch_console_printf(SWITCH_CHANNEL_CONSOLE, "buffer overflow!!! %u >= %u\n", new_len, *encoded_data_len);
+			
return SWITCH_STATUS_FALSE;
+		
}
+	
}
+	

return SWITCH_STATUS_SUCCESS;
+
}
+


static switch_status switch_gsm_decode(switch_codec *codec, 
switch_codec *other_codec, 
void *encoded_data,
+										  
size_t encoded_data_len, 
int encoded_rate, 
void *decoded_data,
+										  
size_t *decoded_data_len, 
int *decoded_rate, 
unsigned int *flag) 
+{
+	
struct gsm_context *context = codec->private;
+	

if (!context) {
+		
return SWITCH_STATUS_FALSE;
+	
}
+	


if (encoded_data_len % 33 == 0) {
+		
int loops = (int) encoded_data_len / 33;
+		
gsm_byte * edp = encoded_data;
+		
gsm_signal * ddp = decoded_data;
+		
int x;
+		
unsigned int new_len = 0;
+		
for (x = 0; x < loops && new_len < *decoded_data_len; x++) {
+			
gsm_decode(context->decoder, edp, ddp);
+			
ddp += 160;
+			
edp += 33;
+			
new_len += 320;
+		
}
+		
if (new_len <= *decoded_data_len) {
+			
*decoded_data_len = new_len;
+		
} else {
+			
switch_console_printf(SWITCH_CHANNEL_CONSOLE, "buffer overflow!!!\n");
+			
return SWITCH_STATUS_FALSE;
+		
}
+	
} else {
+		
switch_console_printf(SWITCH_CHANNEL_CONSOLE, "yo this frame is an odd size [%d]\n", encoded_data_len);
+	
}
+	

return SWITCH_STATUS_SUCCESS;
+
}
+
+
+/* Registration */ 
+
static const switch_codec_implementation gsm_8k_implementation = { 
+		/*.samples_per_second */ 8000, 
+		/*.bits_per_second */ 13200, 
+		/*.microseconds_per_frame */ 20000, 
+		/*.samples_per_frame */ 160, 
+		/*.bytes_per_frame */ 320, 
+		/*.encoded_bytes_per_frame */ 33, 
+		/*.number_of_channels */ 1, 
+		/*.pref_frames_per_packet */ 1, 
+		/*.max_frames_per_packet */ 1, 
+		/*.init */ switch_gsm_init, 
+		/*.encode */ switch_gsm_encode, 
+		/*.decode */ switch_gsm_decode, 
+		/*.destroy */ switch_gsm_destroy, 
+};
+

static const switch_codec_interface gsm_codec_interface = { 
+		/*.interface_name */ "gsm", 
+		/*.codec_type */ SWITCH_CODEC_TYPE_AUDIO, 
+		/*.ianacode */ 3, 
+		/*.iananame */ "gsm", 
+		/*.implementations */ &gsm_8k_implementation, 
+};
+

static switch_loadable_module_interface gsm_module_interface = { 
+		/*.module_name */ modname, 
+		/*.endpoint_interface */ NULL, 
+		/*.timer_interface */ NULL, 
+		/*.dialplan_interface */ NULL, 
+		/*.codec_interface */ &gsm_codec_interface, 
+		/*.application_interface */ NULL 
+};
+


SWITCH_MOD_DECLARE(switch_status) switch_module_load(const switch_loadable_module_interface **interface,
+														char *filename)
+{
+	
+		/* connect my internal structure to the blank pointer passed to me */ 
+		*interface = &gsm_module_interface;
+	
+		/* indicate that the module should continue to be loaded */ 
+		return SWITCH_STATUS_SUCCESS;
+
}
+
+

src/mod/codecs/mod_ilbc/mod_ilbc.vcproj

@@ -0,0 +1,212 @@
+<?xml version="1.0" encoding="Windows-1252"?>
+<VisualStudioProject
+	ProjectType="Visual C++"
+	Version="8.00"
+	Name="mod_ilbc"
+	ProjectGUID="{4926323F-4EA8-4B7D-A3D3-65488725988F}"
+	RootNamespace="mod_ilbc"
+	Keyword="Win32Proj"
+	>
+	<Platforms>
+		<Platform
+			Name="Win32"
+		/>
+	</Platforms>
+	<ToolFiles>
+	</ToolFiles>
+	<Configurations>
+		<Configuration
+			Name="Debug|Win32"
+			OutputDirectory="Debug"
+			IntermediateDirectory="Debug"
+			ConfigurationType="2"
+			InheritedPropertySheets="$(VCInstallDir)VCProjectDefaults\UpgradeFromVC71.vsprops"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+				CommandLine="cscript /nologo $(InputDir)..\..\..\..\w32\vsnet\getlibs.vbs Mod_Codecilbc Debug"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				Optimization="0"
+				AdditionalIncludeDirectories="&quot;$(InputDir)..\..\..\include&quot;;&quot;$(InputDir)..\..\..\..\libs\include&quot;;&quot;$(InputDir)..\..\..\..\libs\codec\ilbc\inc&quot;"
+				PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_USRDLL;MOD_EXPORTS"
+				MinimalRebuild="true"
+				BasicRuntimeChecks="3"
+				RuntimeLibrary="3"
+				UsePrecompiledHeader="0"
+				WarningLevel="3"
+				Detect64BitPortabilityProblems="true"
+				DebugInformationFormat="4"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				AdditionalDependencies="libilbc.lib FreeSwitchCore.lib"
+				OutputFile="..\..\..\..\w32\vsnet\$(OutDir)/mod/mod_ilbc.dll"
+				LinkIncremental="2"
+				AdditionalLibraryDirectories="..\..\..\..\libs\codec\ilbc\Debug;..\..\..\..\w32\vsnet\Debug"
+				GenerateDebugInformation="true"
+				ProgramDatabaseFile="$(OutDir)/mod_ilbc.pdb"
+				SubSystem="2"
+				ImportLibrary="$(OutDir)/mod_ilbc.lib"
+				TargetMachine="1"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCWebDeploymentTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+		<Configuration
+			Name="Release|Win32"
+			OutputDirectory="Release"
+			IntermediateDirectory="Release"
+			ConfigurationType="2"
+			InheritedPropertySheets="$(VCInstallDir)VCProjectDefaults\UpgradeFromVC71.vsprops"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+				CommandLine="cscript /nologo $(InputDir)..\..\..\..\w32\vsnet\getlibs.vbs Mod_Codecilbc Release"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalIncludeDirectories="&quot;$(InputDir)..\..\..\include&quot;;&quot;$(InputDir)..\..\..\..\libs\include&quot;;&quot;$(InputDir)..\..\..\..\libs\codec\ilbc\inc&quot;"
+				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;MOD_EXPORTS"
+				RuntimeLibrary="2"
+				UsePrecompiledHeader="0"
+				WarningLevel="3"
+				Detect64BitPortabilityProblems="true"
+				DebugInformationFormat="3"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				AdditionalDependencies="libilbc.lib FreeSwitchCore.lib"
+				OutputFile="..\..\..\..\w32\vsnet\$(OutDir)/mod/mod_ilbc.dll"
+				LinkIncremental="1"
+				AdditionalLibraryDirectories="..\..\..\..\libs\codec\ilbc\Release;..\..\..\..\w32\vsnet\Release"
+				GenerateDebugInformation="true"
+				SubSystem="2"
+				OptimizeReferences="2"
+				EnableCOMDATFolding="2"
+				LinkTimeCodeGeneration="1"
+				ImportLibrary="$(OutDir)/mod_ilbc.lib"
+				TargetMachine="1"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCWebDeploymentTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+	</Configurations>
+	<References>
+	</References>
+	<Files>
+		<Filter
+			Name="Source Files"
+			Filter="cpp;c;cxx;def;odl;idl;hpj;bat;asm;asmx"
+			UniqueIdentifier="{4FC737F1-C7A5-4376-A066-2A32D752A2FF}"
+			>
+			<File
+				RelativePath="mod_ilbc.c"
+				>
+			</File>
+		</Filter>
+		<Filter
+			Name="Header Files"
+			Filter="h;hpp;hxx;hm;inl;inc;xsd"
+			UniqueIdentifier="{93995380-89BD-4b04-88EB-625FBE52EBFB}"
+			>
+		</Filter>
+		<Filter
+			Name="Resource Files"
+			Filter="rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx"
+			UniqueIdentifier="{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}"
+			>
+		</Filter>
+	</Files>
+	<Globals>
+	</Globals>
+</VisualStudioProject>