STEAMVoice Speex

AMBuildScript

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+# vim: set sts=2 ts=8 sw=2 tw=99 et ft=python:
+import os, sys
+
+# Simple extensions do not need to modify this file.
+
+class SDK(object):
+  def __init__(self, sdk, ext, aDef, name, platform, dir):
+    self.folder = 'hl2sdk-' + dir
+    self.envvar = sdk
+    self.ext = ext
+    self.code = aDef
+    self.define = name
+    self.platform = platform
+    self.name = dir
+    self.path = None
+
+WinOnly = ['windows']
+WinLinux = ['windows', 'linux']
+WinLinuxMac = ['windows', 'linux', 'mac']
+
+PossibleSDKs = {
+  'css':  SDK('HL2SDKCSS', '2.css', '6', 'CSS', WinLinuxMac, 'css'),
+}
+
+def ResolveEnvPath(env, folder):
+  if env in os.environ:
+    path = os.environ[env]
+    if os.path.isdir(path):
+      return path
+    return None
+
+  head = os.getcwd()
+  oldhead = None
+  while head != None and head != oldhead:
+    path = os.path.join(head, folder)
+    if os.path.isdir(path):
+      return path
+    oldhead = head
+    head, tail = os.path.split(head)
+
+  return None
+
+def Normalize(path):
+  return os.path.abspath(os.path.normpath(path))
+
+class ExtensionConfig(object):
+  def __init__(self):
+    self.sdks = {}
+    self.binaries = []
+    self.extensions = []
+    self.generated_headers = None
+    self.mms_root = None
+    self.sm_root = None
+
+  @property
+  def tag(self):
+    if builder.options.debug == '1':
+      return 'Debug'
+    return 'Release'
+
+  def detectSDKs(self):
+    sdk_list = builder.options.sdks.split(',')
+    use_all = sdk_list[0] == 'all'
+    use_present = sdk_list[0] == 'present'
+
+    for sdk_name in PossibleSDKs:
+      sdk = PossibleSDKs[sdk_name]
+      if builder.target_platform in sdk.platform:
+        if builder.options.hl2sdk_root:
+          sdk_path = os.path.join(builder.options.hl2sdk_root, sdk.folder)
+        else:
+          sdk_path = ResolveEnvPath(sdk.envvar, sdk.folder)
+        if sdk_path is None or not os.path.isdir(sdk_path):
+          if use_all or sdk_name in sdk_list:
+            raise Exception('Could not find a valid path for {0}'.format(sdk.envvar))
+          continue
+        if use_all or use_present or sdk_name in sdk_list:
+          sdk.path = Normalize(sdk_path)
+          self.sdks[sdk_name] = sdk
+
+    if len(self.sdks) < 1:
+      raise Exception('At least one SDK must be available.')
+
+    if builder.options.sm_path:
+      self.sm_root = builder.options.sm_path
+    else:
+      self.sm_root = ResolveEnvPath('SOURCEMOD18', 'sourcemod-1.8')
+      if not self.sm_root:
+        self.sm_root = ResolveEnvPath('SOURCEMOD', 'sourcemod')
+      if not self.sm_root:
+        self.sm_root = ResolveEnvPath('SOURCEMOD_DEV', 'sourcemod-central')
+
+    if not self.sm_root or not os.path.isdir(self.sm_root):
+      raise Exception('Could not find a source copy of SourceMod')
+    self.sm_root = Normalize(self.sm_root)
+
+    if builder.options.mms_path:
+      self.mms_root = builder.options.mms_path
+    else:
+      self.mms_root = ResolveEnvPath('MMSOURCE110', 'mmsource-1.10')
+      if not self.mms_root:
+        self.mms_root = ResolveEnvPath('MMSOURCE', 'metamod-source')
+      if not self.mms_root:
+        self.mms_root = ResolveEnvPath('MMSOURCE_DEV', 'mmsource-central')
+
+    if not self.mms_root or not os.path.isdir(self.mms_root):
+      raise Exception('Could not find a source copy of Metamod:Source')
+    self.mms_root = Normalize(self.mms_root)
+
+  def configure(self):
+    cxx = builder.DetectCompilers()
+
+    if cxx.like('gcc'):
+      cxx.defines += [
+        'stricmp=strcasecmp',
+        '_stricmp=strcasecmp',
+        '_snprintf=snprintf',
+        '_vsnprintf=vsnprintf',
+        'HAVE_STDINT_H',
+        'GNUC',
+      ]
+      cxx.cflags += [
+        '-pipe',
+        '-fno-strict-aliasing',
+        '-Wall',
+#        '-Werror',
+        '-Wno-unused',
+        '-Wno-switch',
+        '-Wno-array-bounds',
+        '-msse',
+        '-m32',
+      ]
+      cxx.cxxflags += [
+        '-std=c++11',
+      ]
+
+      have_gcc = cxx.vendor == 'gcc'
+      have_clang = cxx.vendor == 'clang'
+      if have_clang or (have_gcc and cxx.version >= '4'):
+        cxx.cflags += ['-fvisibility=hidden']
+        cxx.cxxflags += ['-fvisibility-inlines-hidden']
+        if have_clang or (have_gcc and cxx.version >= '4.6'):
+          cxx.cflags += ['-Wno-narrowing']
+        if (have_gcc and cxx.version >= '4.7') or (have_clang and cxx.version >= '3'):
+          cxx.cxxflags += ['-Wno-delete-non-virtual-dtor']
+        if have_gcc and cxx.version >= '4.8':
+          cxx.cflags += ['-Wno-unused-result']
+      if have_clang:
+        cxx.cxxflags += ['-Wno-implicit-exception-spec-mismatch']
+        if cxx.version >= 'apple-clang-5.1' or cxx.version >= 'clang-3.4':
+          cxx.cxxflags += ['-Wno-deprecated-register']
+        else:
+          cxx.cxxflags += ['-Wno-deprecated']
+        cxx.cflags += ['-Wno-sometimes-uninitialized']
+
+      cxx.linkflags += ['-m32']
+      cxx.cxxflags += [
+        '-fno-exceptions',
+        '-fno-threadsafe-statics',
+        '-Wno-non-virtual-dtor',
+        '-Wno-overloaded-virtual',
+      ]
+
+      if have_gcc:
+        cxx.cflags += ['-mfpmath=sse']
+    elif cxx.vendor == 'msvc':
+      if builder.options.debug == '1':
+        cxx.cflags += ['/MTd']
+        cxx.linkflags += ['/NODEFAULTLIB:libcmt']
+      else:
+        cxx.cflags += ['/MT']
+      cxx.defines += [
+        '_CRT_SECURE_NO_DEPRECATE',
+        '_CRT_SECURE_NO_WARNINGS',
+        '_CRT_NONSTDC_NO_DEPRECATE',
+        '_ITERATOR_DEBUG_LEVEL=0',
+      ]
+      cxx.cflags += [
+        '/W3',
+      ]
+      cxx.cxxflags += [
+        '/EHsc',
+        '/GR-',
+        '/TP',
+      ]
+      cxx.linkflags += [
+        '/MACHINE:X86',
+        'kernel32.lib',
+        'user32.lib',
+        'gdi32.lib',
+        'winspool.lib',
+        'comdlg32.lib',
+        'advapi32.lib',
+        'shell32.lib',
+        'ole32.lib',
+        'oleaut32.lib',
+        'uuid.lib',
+        'odbc32.lib',
+        'odbccp32.lib',
+      ] 
+
+    # Optimization
+    if builder.options.opt == '1':
+      cxx.defines += ['NDEBUG']
+      if cxx.like('gcc'):
+        cxx.cflags += ['-O3']
+      elif cxx.like('msvc'):
+        cxx.cflags += ['/Ox', '/Zo']
+        cxx.linkflags += ['/OPT:ICF', '/OPT:REF']
+
+    # Debugging
+    if builder.options.debug == '1':
+      cxx.defines += ['DEBUG', '_DEBUG']
+      if cxx.like('msvc'):
+        cxx.cflags += ['/Od', '/RTC1']
+
+    # This needs to be after our optimization flags which could otherwise disable it.
+    if cxx.vendor == 'msvc':
+      # Don't omit the frame pointer.
+      cxx.cflags += ['/Oy-']
+
+    # Platform-specifics
+    if builder.target_platform == 'linux':
+      cxx.defines += ['_LINUX', 'POSIX']
+      cxx.linkflags += ['-lm']
+      if cxx.vendor == 'gcc':
+        cxx.linkflags += ['-static-libgcc']
+      elif cxx.vendor == 'clang':
+        cxx.linkflags += ['-lgcc_eh']
+    elif builder.target_platform == 'mac':
+      cxx.defines += ['OSX', '_OSX', 'POSIX']
+      cxx.cflags += ['-mmacosx-version-min=10.5']
+      cxx.linkflags += [
+        '-mmacosx-version-min=10.5',
+        '-arch', 'i386',
+        '-lstdc++',
+        '-stdlib=libstdc++',
+      ]
+      cxx.cxxflags += ['-stdlib=libstdc++']
+    elif builder.target_platform == 'windows':
+      cxx.defines += ['WIN32', '_WINDOWS']
+
+    # Finish up.
+    cxx.includes += [
+      os.path.join(self.sm_root, 'public'),
+    ]
+	
+  def ConfigureForHL2(self, binary, sdk):
+    compiler = binary.compiler
+
+    if sdk.name == 'episode1':
+      mms_path = os.path.join(self.mms_root, 'core-legacy')
+    else:
+      mms_path = os.path.join(self.mms_root, 'core')
+
+    compiler.cxxincludes += [
+      os.path.join(mms_path),
+      os.path.join(mms_path, 'sourcehook'),
+    ]
+
+    defines = ['SE_' + PossibleSDKs[i].define + '=' + PossibleSDKs[i].code for i in PossibleSDKs]
+    compiler.defines += defines
+
+    paths = [
+      ['public'],
+      ['public', 'engine'],
+      ['public', 'mathlib'],
+      ['public', 'vstdlib'],
+      ['public', 'tier0'],
+      ['public', 'tier1']
+    ]
+    if sdk.name == 'episode1' or sdk.name == 'darkm':
+      paths.append(['public', 'dlls'])
+      paths.append(['game_shared'])
+    else:
+      paths.append(['public', 'game', 'server'])
+      paths.append(['public', 'toolframework'])
+      paths.append(['game', 'shared'])
+      paths.append(['common'])
+
+    compiler.defines += ['SOURCE_ENGINE=' + sdk.code]
+
+    if sdk.name in ['sdk2013', 'bms'] and compiler.like('gcc'):
+      # The 2013 SDK already has these in public/tier0/basetypes.h
+      compiler.defines.remove('stricmp=strcasecmp')
+      compiler.defines.remove('_stricmp=strcasecmp')
+      compiler.defines.remove('_snprintf=snprintf')
+      compiler.defines.remove('_vsnprintf=vsnprintf')
+
+    if compiler.like('msvc'):
+      compiler.defines += ['COMPILER_MSVC', 'COMPILER_MSVC32']
+    else:
+      compiler.defines += ['COMPILER_GCC']
+
+    # For everything after Swarm, this needs to be defined for entity networking
+    # to work properly with sendprop value changes.
+    if sdk.name in ['blade', 'insurgency', 'csgo', 'dota']:
+      compiler.defines += ['NETWORK_VARS_ENABLED']
+
+    if sdk.name in ['css', 'hl2dm', 'dods', 'sdk2013', 'bms', 'tf2', 'l4d', 'nucleardawn', 'l4d2', 'dota']:
+      if builder.target_platform in ['linux', 'mac']:
+        compiler.defines += ['NO_HOOK_MALLOC', 'NO_MALLOC_OVERRIDE']
+
+    if sdk.name == 'csgo' and builder.target_platform == 'linux':
+      compiler.linkflags += ['-lstdc++']
+
+    for path in paths:
+      compiler.cxxincludes += [os.path.join(sdk.path, *path)]
+
+    if builder.target_platform == 'linux':
+      if sdk.name == 'episode1':
+        lib_folder = os.path.join(sdk.path, 'linux_sdk')
+      elif sdk.name in ['sdk2013', 'bms']:
+        lib_folder = os.path.join(sdk.path, 'lib', 'public', 'linux32')
+      else:
+        lib_folder = os.path.join(sdk.path, 'lib', 'linux')
+    elif builder.target_platform == 'mac':
+      if sdk.name in ['sdk2013', 'bms']:
+        lib_folder = os.path.join(sdk.path, 'lib', 'public', 'osx32')
+      else:
+        lib_folder = os.path.join(sdk.path, 'lib', 'mac')
+
+    if builder.target_platform in ['linux', 'mac']:
+      if sdk.name in ['sdk2013', 'bms']:
+        compiler.postlink += [
+          compiler.Dep(os.path.join(lib_folder, 'tier1.a')),
+          compiler.Dep(os.path.join(lib_folder, 'mathlib.a'))
+        ]
+      else:
+        compiler.postlink += [
+          compiler.Dep(os.path.join(lib_folder, 'tier1_i486.a')),
+          compiler.Dep(os.path.join(lib_folder, 'mathlib_i486.a'))
+        ]
+
+      if sdk.name in ['blade', 'insurgency', 'csgo', 'dota']:
+        compiler.postlink += [compiler.Dep(os.path.join(lib_folder, 'interfaces_i486.a'))]
+
+    dynamic_libs = []
+    if builder.target_platform == 'linux':
+      if sdk.name in ['css', 'hl2dm', 'dods', 'tf2', 'sdk2013', 'bms', 'nucleardawn', 'l4d2']:
+        dynamic_libs = ['libtier0_srv.so', 'libvstdlib_srv.so']
+      elif sdk.name in ['l4d', 'blade', 'insurgency', 'csgo', 'dota']:
+        dynamic_libs = ['libtier0.so', 'libvstdlib.so']
+      else:
+        dynamic_libs = ['tier0_i486.so', 'vstdlib_i486.so']
+    elif builder.target_platform == 'mac':
+      compiler.linkflags.append('-liconv')
+      dynamic_libs = ['libtier0.dylib', 'libvstdlib.dylib']
+    elif builder.target_platform == 'windows':
+      libs = ['tier0', 'tier1', 'vstdlib', 'mathlib']
+      if sdk.name in ['swarm', 'blade', 'insurgency', 'csgo', 'dota']:
+        libs.append('interfaces')
+      for lib in libs:
+        lib_path = os.path.join(sdk.path, 'lib', 'public', lib) + '.lib'
+        compiler.linkflags.append(compiler.Dep(lib_path))
+
+    for library in dynamic_libs:
+      source_path = os.path.join(lib_folder, library)
+      output_path = os.path.join(binary.localFolder, library)
+
+      def make_linker(source_path, output_path):
+        def link(context, binary):
+          cmd_node, (output,) = context.AddSymlink(source_path, output_path)
+          return output
+        return link
+
+      linker = make_linker(source_path, output_path)
+      compiler.linkflags[0:0] = [compiler.Dep(library, linker)]
+
+    return binary
+
+  def ConfigureForExtension(self, context, compiler):
+    compiler.cxxincludes += [
+      os.path.join(context.currentSourcePath),
+      os.path.join(context.currentSourcePath, 'sdk'),
+      os.path.join(self.sm_root, 'public'),
+      os.path.join(self.sm_root, 'public', 'extensions'),
+      os.path.join(self.sm_root, 'sourcepawn', 'include'),
+      os.path.join(self.sm_root, 'public', 'amtl', 'include'),
+    ]
+    return compiler
+
+  def HL2Project(self, context, name):
+    project = context.compiler.LibraryProject(name)
+    self.ConfigureForExtension(context, project.compiler)
+    return project
+	
+  def HL2Config(self, project, name, sdk):
+    binary = project.Configure(name, '{0} - {1}'.format(self.tag, sdk.name))
+    return self.ConfigureForHL2(binary, sdk)
+
+Extension = ExtensionConfig()
+Extension.detectSDKs()
+Extension.configure()
+
+# Add additional buildscripts here
+BuildScripts = [
+  'AMBuilder',
+]
+
+if builder.backend == 'amb2':
+  BuildScripts += [
+    'PackageScript',
+  ]
+
+builder.RunBuildScripts(BuildScripts, { 'Extension': Extension})

AMBuilder

@@ -0,0 +1,27 @@
+# vim: set sts=2 ts=8 sw=2 tw=99 et ft=python:
+import os
+
+if not "SM" in globals():
+	SM = Extension
+
+projectName = 'Voice'
+
+project = SM.HL2Project(builder, projectName + '.ext')
+project.sources += [
+  'extension.cpp',
+  'ringbuffer.cpp',
+  '../../public/smsdk_ext.cpp'
+]
+
+for sdk_name in SM.sdks:
+  sdk = SM.sdks[sdk_name]
+  binary = SM.HL2Config(project, projectName + '.ext', sdk)
+  binary.compiler.cxxincludes += [
+    os.path.join(SM.sm_root, 'public', 'extensions'),
+    os.path.join(builder.sourcePath, 'silk')
+  ]
+  binary.compiler.linkflags += [
+    os.path.join(builder.sourcePath, 'silk', 'libSKP_SILK_SDK.a')
+  ]
+
+SM.extensions += builder.Add(project)

Makefile

@@ -0,0 +1,233 @@
+# (C)2004-2010 SourceMod Development Team
+# Makefile written by David "BAILOPAN" Anderson
+
+###########################################
+### EDIT THESE PATHS FOR YOUR OWN SETUP ###
+###########################################
+
+SMSDK = ../..
+HL2SDK_ORIG = ../../../hl2sdk
+HL2SDK_OB = ../../../hl2sdk-ob
+HL2SDK_CSS = ../../../hl2sdk-css
+HL2SDK_OB_VALVE = ../../../hl2sdk-ob-valve
+HL2SDK_L4D = ../../../hl2sdk-l4d
+HL2SDK_L4D2 = ../../../hl2sdk-l4d2
+HL2SDK_CSGO = ../../../hl2sdk-csgo
+MMSOURCE19 = ../../../mmsource-1.9
+
+#####################################
+### EDIT BELOW FOR OTHER PROJECTS ###
+#####################################
+
+PROJECT = sample
+
+#Uncomment for Metamod: Source enabled extension
+#USEMETA = true
+
+OBJECTS = smsdk_ext.cpp extension.cpp
+
+##############################################
+### CONFIGURE ANY OTHER FLAGS/OPTIONS HERE ###
+##############################################
+
+C_OPT_FLAGS = -DNDEBUG -O3 -funroll-loops -pipe -fno-strict-aliasing
+C_DEBUG_FLAGS = -D_DEBUG -DDEBUG -g -ggdb3
+C_GCC4_FLAGS = -fvisibility=hidden
+CPP_GCC4_FLAGS = -fvisibility-inlines-hidden
+CPP = gcc
+CPP_OSX = clang
+
+##########################
+### SDK CONFIGURATIONS ###
+##########################
+
+override ENGSET = false
+
+# Check for valid list of engines
+ifneq (,$(filter original orangebox orangeboxvalve css left4dead left4dead2 csgo,$(ENGINE)))
+	override ENGSET = true
+endif
+
+ifeq "$(ENGINE)" "original"
+	HL2SDK = $(HL2SDK_ORIG)
+	CFLAGS += -DSOURCE_ENGINE=1
+endif
+ifeq "$(ENGINE)" "orangebox"
+	HL2SDK = $(HL2SDK_OB)
+	CFLAGS += -DSOURCE_ENGINE=3
+endif
+ifeq "$(ENGINE)" "css"
+	HL2SDK = $(HL2SDK_CSS)
+	CFLAGS += -DSOURCE_ENGINE=6
+endif
+ifeq "$(ENGINE)" "orangeboxvalve"
+	HL2SDK = $(HL2SDK_OB_VALVE)
+	CFLAGS += -DSOURCE_ENGINE=7
+endif
+ifeq "$(ENGINE)" "left4dead"
+	HL2SDK = $(HL2SDK_L4D)
+	CFLAGS += -DSOURCE_ENGINE=8
+endif
+ifeq "$(ENGINE)" "left4dead2"
+	HL2SDK = $(HL2SDK_L4D2)
+	CFLAGS += -DSOURCE_ENGINE=9
+endif
+ifeq "$(ENGINE)" "csgo"
+	HL2SDK = $(HL2SDK_CSGO)
+	CFLAGS += -DSOURCE_ENGINE=12
+endif
+
+HL2PUB = $(HL2SDK)/public
+
+ifeq "$(ENGINE)" "original"
+	INCLUDE += -I$(HL2SDK)/public/dlls
+	METAMOD = $(MMSOURCE19)/core-legacy
+else
+	INCLUDE += -I$(HL2SDK)/public/game/server
+	METAMOD = $(MMSOURCE19)/core
+endif
+
+OS := $(shell uname -s)
+
+ifeq "$(OS)" "Darwin"
+	LIB_EXT = dylib
+	HL2LIB = $(HL2SDK)/lib/mac
+else
+	LIB_EXT = so
+	ifeq "$(ENGINE)" "original"
+		HL2LIB = $(HL2SDK)/linux_sdk
+	else
+		HL2LIB = $(HL2SDK)/lib/linux
+	endif
+endif
+
+# if ENGINE is original or OB
+ifneq (,$(filter original orangebox,$(ENGINE)))
+	LIB_SUFFIX = _i486.$(LIB_EXT)
+else
+	LIB_PREFIX = lib
+	LIB_SUFFIX = .$(LIB_EXT)
+endif
+
+INCLUDE += -I. -I.. -Isdk -I$(SMSDK)/public -I$(SMSDK)/public/sourcepawn
+
+ifeq "$(USEMETA)" "true"
+	LINK_HL2 = $(HL2LIB)/tier1_i486.a $(LIB_PREFIX)vstdlib$(LIB_SUFFIX) $(LIB_PREFIX)tier0$(LIB_SUFFIX)
+	ifeq "$(ENGINE)" "csgo"
+		LINK_HL2 += $(HL2LIB)/interfaces_i486.a
+	endif
+
+	LINK += $(LINK_HL2)
+
+	INCLUDE += -I$(HL2PUB) -I$(HL2PUB)/engine -I$(HL2PUB)/tier0 -I$(HL2PUB)/tier1 -I$(METAMOD) \
+		-I$(METAMOD)/sourcehook 
+	CFLAGS += -DSE_EPISODEONE=1 -DSE_DARKMESSIAH=2 -DSE_ORANGEBOX=3 -DSE_BLOODYGOODTIME=4 -DSE_EYE=5 \
+		-DSE_CSS=6 -DSE_ORANGEBOXVALVE=7 -DSE_LEFT4DEAD=8 -DSE_LEFT4DEAD2=9 -DSE_ALIENSWARM=10 \
+		-DSE_PORTAL2=11 -DSE_CSGO=12
+endif
+
+LINK += -m32 -lm -ldl
+
+CFLAGS += -DPOSIX -Dstricmp=strcasecmp -D_stricmp=strcasecmp -D_strnicmp=strncasecmp -Dstrnicmp=strncasecmp \
+	-D_snprintf=snprintf -D_vsnprintf=vsnprintf -D_alloca=alloca -Dstrcmpi=strcasecmp -DCOMPILER_GCC -Wall -Werror \
+	-Wno-overloaded-virtual -Wno-switch -Wno-unused -msse -DSOURCEMOD_BUILD -DHAVE_STDINT_H -m32
+CPPFLAGS += -Wno-non-virtual-dtor -fno-exceptions -fno-rtti
+
+################################################
+### DO NOT EDIT BELOW HERE FOR MOST PROJECTS ###
+################################################
+
+BINARY = $(PROJECT).ext.$(LIB_EXT)
+
+ifeq "$(DEBUG)" "true"
+	BIN_DIR = Debug
+	CFLAGS += $(C_DEBUG_FLAGS)
+else
+	BIN_DIR = Release
+	CFLAGS += $(C_OPT_FLAGS)
+endif
+
+ifeq "$(USEMETA)" "true"
+	BIN_DIR := $(BIN_DIR).$(ENGINE)
+endif
+
+ifeq "$(OS)" "Darwin"
+	CPP = $(CPP_OSX)
+	LIB_EXT = dylib
+	CFLAGS += -DOSX -D_OSX
+	LINK += -dynamiclib -lstdc++ -mmacosx-version-min=10.5
+else
+	LIB_EXT = so
+	CFLAGS += -D_LINUX
+	LINK += -shared
+endif
+
+IS_CLANG := $(shell $(CPP) --version | head -1 | grep clang > /dev/null && echo "1" || echo "0")
+
+ifeq "$(IS_CLANG)" "1"
+	CPP_MAJOR := $(shell $(CPP) --version | grep clang | sed "s/.*version \([0-9]\)*\.[0-9]*.*/\1/")
+	CPP_MINOR := $(shell $(CPP) --version | grep clang | sed "s/.*version [0-9]*\.\([0-9]\)*.*/\1/")
+else
+	CPP_MAJOR := $(shell $(CPP) -dumpversion >&1 | cut -b1)
+	CPP_MINOR := $(shell $(CPP) -dumpversion >&1 | cut -b3)
+endif
+
+# If not clang
+ifeq "$(IS_CLANG)" "0"
+	CFLAGS += -mfpmath=sse
+endif
+
+# Clang || GCC >= 4
+ifeq "$(shell expr $(IS_CLANG) \| $(CPP_MAJOR) \>= 4)" "1"
+	CFLAGS += $(C_GCC4_FLAGS)
+	CPPFLAGS += $(CPP_GCC4_FLAGS)
+endif
+
+# Clang >= 3 || GCC >= 4.7
+ifeq "$(shell expr $(IS_CLANG) \& $(CPP_MAJOR) \>= 3 \| $(CPP_MAJOR) \>= 4 \& $(CPP_MINOR) \>= 7)" "1"
+	CFLAGS += -Wno-delete-non-virtual-dtor
+endif
+
+# OS is Linux and not using clang
+ifeq "$(shell expr $(OS) \= Linux \& $(IS_CLANG) \= 0)" "1"
+	LINK += -static-libgcc
+endif
+
+OBJ_BIN := $(OBJECTS:%.cpp=$(BIN_DIR)/%.o)
+
+# This will break if we include other Makefiles, but is fine for now. It allows
+#  us to make a copy of this file that uses altered paths (ie. Makefile.mine)
+#  or other changes without mucking up the original.
+MAKEFILE_NAME := $(CURDIR)/$(word $(words $(MAKEFILE_LIST)),$(MAKEFILE_LIST))
+
+$(BIN_DIR)/%.o: %.cpp
+	$(CPP) $(INCLUDE) $(CFLAGS) $(CPPFLAGS) -o $@ -c $<
+
+all: check
+	mkdir -p $(BIN_DIR)
+	ln -sf ../smsdk_ext.cpp
+	if [ "$(USEMETA)" = "true" ]; then \
+		ln -sf $(HL2LIB)/$(LIB_PREFIX)vstdlib$(LIB_SUFFIX); \
+		ln -sf $(HL2LIB)/$(LIB_PREFIX)tier0$(LIB_SUFFIX); \
+	fi
+	$(MAKE) -f $(MAKEFILE_NAME) extension
+
+check:
+	if [ "$(USEMETA)" = "true" ] && [ "$(ENGSET)" = "false" ]; then \
+		echo "You must supply one of the following values for ENGINE:"; \
+		echo "csgo, left4dead2, left4dead, css, orangeboxvalve, orangebox, or original"; \
+		exit 1; \
+	fi
+
+extension: check $(OBJ_BIN)
+	$(CPP) $(INCLUDE) $(OBJ_BIN) $(LINK) -o $(BIN_DIR)/$(BINARY)
+
+debug:
+	$(MAKE) -f $(MAKEFILE_NAME) all DEBUG=true
+
+default: all
+
+clean: check
+	rm -rf $(BIN_DIR)/*.o
+	rm -rf $(BIN_DIR)/$(BINARY)
+

PackageScript

@@ -0,0 +1,30 @@
+# vim: set ts=8 sts=2 sw=2 tw=99 et ft=python:
+import os
+
+# This is where the files will be output to
+# package is the default
+builder.SetBuildFolder('package')
+
+# Add any folders you need to this list
+folder_list = [
+  'addons/sourcemod/extensions'
+]
+
+# Create the distribution folder hierarchy.
+folder_map = {}
+for folder in folder_list:
+  norm_folder = os.path.normpath(folder)
+  folder_map[folder] = builder.AddFolder(norm_folder)
+
+# Do all straight-up file copies from the source tree.
+def CopyFiles(src, dest, files):
+  if not dest:
+    dest = src
+  dest_entry = folder_map[dest]
+  for source_file in files:
+    source_path = os.path.join(builder.sourcePath, src, source_file)
+    builder.AddCopy(source_path, dest_entry)
+
+# Copy binaries.
+for cxx_task in Extension.extensions:
+  builder.AddCopy(cxx_task.binary, folder_map['addons/sourcemod/extensions'])

configure.py

@@ -0,0 +1,23 @@
+# vim: set sts=2 ts=8 sw=2 tw=99 et:
+import sys
+from ambuild2 import run
+
+# Simple extensions do not need to modify this file.
+
+builder = run.PrepareBuild(sourcePath = sys.path[0])
+
+builder.options.add_option('--hl2sdk-root', type=str, dest='hl2sdk_root', default=None,
+		                   help='Root search folder for HL2SDKs')
+builder.options.add_option('--mms-path', type=str, dest='mms_path', default=None,
+                       help='Path to Metamod:Source')
+builder.options.add_option('--sm-path', type=str, dest='sm_path', default=None,
+                       help='Path to SourceMod')
+builder.options.add_option('--enable-debug', action='store_const', const='1', dest='debug',
+                       help='Enable debugging symbols')
+builder.options.add_option('--enable-optimize', action='store_const', const='1', dest='opt',
+                       help='Enable optimization')
+builder.options.add_option('-s', '--sdks', default='all', dest='sdks',
+                       help='Build against specified SDKs; valid args are "all", "present", or '
+                            'comma-delimited list of engine names (default: %default)')
+
+builder.Configure()

extension.cpp

@@ -0,0 +1,655 @@
+/**
+ * vim: set ts=4 :
+ * =============================================================================
+ * SourceMod Sample Extension
+ * Copyright (C) 2004-2008 AlliedModders LLC.  All rights reserved.
+ * =============================================================================
+ *
+ * This program is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, version 3.0, as published by the
+ * Free Software Foundation.
+ *
+ * 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 for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * As a special exception, AlliedModders LLC gives you permission to link the
+ * code of this program (as well as its derivative works) to "Half-Life 2," the
+ * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
+ * by the Valve Corporation.  You must obey the GNU General Public License in
+ * all respects for all other code used.  Additionally, AlliedModders LLC grants
+ * this exception to all derivative works.  AlliedModders LLC defines further
+ * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
+ * or <http://www.sourcemod.net/license.php>.
+ *
+ * Version: $Id$
+ */
+//#define _GNU_SOURCE
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/ioctl.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <fcntl.h>
+#include <poll.h>
+
+#include <iclient.h>
+#include <iserver.h>
+#include <ISDKTools.h>
+
+#include "extension.h"
+
+#define LISTEN_ADDR "127.0.0.1"
+//#define LISTEN_ADDR "10.0.0.101"
+#define LISTEN_PORT 27020
+
+/**
+ * @file extension.cpp
+ * @brief Implement extension code here.
+ */
+
+template <typename T> inline T min(T a, T b) { return a<b?a:b; }
+
+/**
+ * Polynomial: 0x04C11DB7
+ */
+const unsigned int CRCTable[256] = {
+  0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f,
+  0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988,
+  0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, 0x1db71064, 0x6ab020f2,
+  0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
+  0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9,
+  0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172,
+  0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 0x35b5a8fa, 0x42b2986c,
+  0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
+  0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423,
+  0xcfba9599, 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
+  0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, 0x01db7106,
+  0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
+  0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d,
+  0x91646c97, 0xe6635c01, 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e,
+  0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950,
+  0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
+  0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7,
+  0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0,
+  0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa,
+  0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
+  0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81,
+  0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a,
+  0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, 0xe3630b12, 0x94643b84,
+  0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
+  0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb,
+  0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc,
+  0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, 0xd6d6a3e8, 0xa1d1937e,
+  0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
+  0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55,
+  0x316e8eef, 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
+  0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, 0xb2bd0b28,
+  0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
+  0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f,
+  0x72076785, 0x05005713, 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38,
+  0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242,
+  0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
+  0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69,
+  0x616bffd3, 0x166ccf45, 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2,
+  0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc,
+  0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
+  0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693,
+  0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94,
+  0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d};
+
+unsigned int UTIL_CRC32(const void *pdata, size_t data_length)
+{
+	unsigned char *data = (unsigned char *)pdata;
+	unsigned int crc = 0xFFFFFFFF;
+	unsigned char c;
+
+	for(size_t i = 0; i < data_length; i++, data++)
+	{
+		c = (unsigned char)((crc ^ *data) & 0xFF);
+		crc = CRCTable[c] ^ (crc >> 8);
+	}
+
+	return ~crc;
+}
+
+CVoice g_Interface;
+SMEXT_LINK(&g_Interface);
+
+ISDKTools *g_pSDKTools = NULL;
+SH_DECL_MANUALHOOK0(GetPlayerSlot, 0, 0, 0, int); // IClient::GetPlayerSlot
+
+double getTime()
+{
+    struct timespec tv;
+    if(clock_gettime(CLOCK_REALTIME, &tv) != 0)
+    	return 0;
+
+    return (tv.tv_sec + (tv.tv_nsec / 1000000000.0));
+}
+
+void OnGameFrame(bool simulating)
+{
+	g_Interface.OnGameFrame(simulating);
+}
+
+CVoice::CVoice()
+{
+	m_ListenSocket = -1;
+
+	m_PollFds = 0;
+	for(int i = 1; i < 1 + MAX_CLIENTS; i++)
+		m_aPollFds[i].fd = -1;
+
+	for(int i = 0; i < MAX_CLIENTS; i++)
+		m_aClients[i].m_Socket = -1;
+
+	m_AvailableTime = 0.0;
+
+	m_Silk_EncoderState = NULL;
+
+	m_SV_BroadcastVoiceData = NULL;
+}
+
+bool CVoice::SDK_OnLoad(char *error, size_t maxlength, bool late)
+{
+	// Setup engine-specific data.
+	Dl_info info;
+	void *engineFactory = (void *)g_SMAPI->GetEngineFactory(false);
+	if(dladdr(engineFactory, &info) == 0)
+	{
+		g_SMAPI->Format(error, maxlength, "dladdr(engineFactory) failed.");
+		return false;
+	}
+
+	void *pEngineSo = dlopen(info.dli_fname, RTLD_NOW);
+	if(pEngineSo == NULL)
+	{
+		g_SMAPI->Format(error, maxlength, "dlopen(%s) failed.", info.dli_fname);
+		return false;
+	}
+
+	int engineVersion = g_SMAPI->GetSourceEngineBuild();
+	int offsPlayerSlot = 0;
+
+	switch (engineVersion)
+	{
+		case SOURCE_ENGINE_CSGO:
+#ifdef _WIN32
+			m_SV_BroadcastVoiceData = (t_SV_BroadcastVoiceData)memutils->FindPattern(pEngineSo, "\x55\x8B\xEC\x81\xEC\xD0\x00\x00\x00\x53\x56\x57", 12);
+			offsPlayerSlot = 15;
+#else
+			m_SV_BroadcastVoiceData = (t_SV_BroadcastVoiceData)memutils->ResolveSymbol(pEngineSo, "_Z21SV_BroadcastVoiceDataP7IClientiPcx");
+			offsPlayerSlot = 16;
+#endif
+			break;
+
+		case SOURCE_ENGINE_LEFT4DEAD2:
+#ifdef _WIN32
+			m_SV_BroadcastVoiceData = (t_SV_BroadcastVoiceData)memutils->FindPattern(pEngineSo, "\x55\x8B\xEC\x83\xEC\x70\xA1\x2A\x2A\x2A\x2A\x33\xC5\x89\x45\xFC\xA1\x2A\x2A\x2A\x2A\x53\x56", 23);
+			offsPlayerSlot = 14;
+#else
+			m_SV_BroadcastVoiceData = (t_SV_BroadcastVoiceData)memutils->ResolveSymbol(pEngineSo, "_Z21SV_BroadcastVoiceDataP7IClientiPcx");
+			offsPlayerSlot = 15;
+#endif
+			break;
+
+		case SOURCE_ENGINE_NUCLEARDAWN:
+#ifdef _WIN32
+			m_SV_BroadcastVoiceData = (t_SV_BroadcastVoiceData)memutils->FindPattern(pEngineSo, "\x55\x8B\xEC\xA1\x2A\x2A\x2A\x2A\x83\xEC\x58\x57\x33\xFF", 14);
+			offsPlayerSlot = 14;
+#else
+			m_SV_BroadcastVoiceData = (t_SV_BroadcastVoiceData)memutils->ResolveSymbol(pEngineSo, "_Z21SV_BroadcastVoiceDataP7IClientiPcx");
+			offsPlayerSlot = 15;
+#endif
+			break;
+
+		case SOURCE_ENGINE_INSURGENCY:
+#ifdef _WIN32
+			m_SV_BroadcastVoiceData = (t_SV_BroadcastVoiceData)memutils->FindPattern(pEngineSo, "\x55\x8B\xEC\x83\xEC\x74\x68\x2A\x2A\x2A\x2A\x8D\x4D\xE4\xE8", 15);
+			offsPlayerSlot = 14;
+#else
+			m_SV_BroadcastVoiceData = (t_SV_BroadcastVoiceData)memutils->ResolveSymbol(pEngineSo, "_Z21SV_BroadcastVoiceDataP7IClientiPcx");
+			offsPlayerSlot = 15;
+#endif
+			break;
+
+		case SOURCE_ENGINE_TF2:
+		case SOURCE_ENGINE_CSS:
+		case SOURCE_ENGINE_HL2DM:
+		case SOURCE_ENGINE_DODS:
+		case SOURCE_ENGINE_SDK2013:
+#ifdef _WIN32
+			m_SV_BroadcastVoiceData = (t_SV_BroadcastVoiceData)memutils->FindPattern(pEngineSo, "\x55\x8B\xEC\xA1\x2A\x2A\x2A\x2A\x83\xEC\x50\x83\x78\x30", 14);
+			offsPlayerSlot = 14;
+#else
+			m_SV_BroadcastVoiceData = (t_SV_BroadcastVoiceData)memutils->ResolveSymbol(pEngineSo, "_Z21SV_BroadcastVoiceDataP7IClientiPcx");
+			offsPlayerSlot = 15;
+#endif
+			break;
+
+		default:
+			g_SMAPI->Format(error, maxlength, "Unsupported game.");
+			dlclose(pEngineSo);
+			return false;
+	}
+	dlclose(pEngineSo);
+
+	if(!m_SV_BroadcastVoiceData)
+	{
+		g_SMAPI->Format(error, maxlength, "SV_BroadcastVoiceData sigscan failed.");
+		return false;
+	}
+
+	SH_MANUALHOOK_RECONFIGURE(GetPlayerSlot, offsPlayerSlot, 0, 0);
+
+	// Init tcp server
+	m_ListenSocket = socket(AF_INET, SOCK_STREAM, 0);
+	if(m_ListenSocket < 0)
+	{
+		g_SMAPI->Format(error, maxlength, "Failed creating socket.");
+		SDK_OnUnload();
+		return false;
+	}
+
+	int yes = 1;
+	if(setsockopt(m_ListenSocket, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(int)) < 0)
+	{
+		g_SMAPI->Format(error, maxlength, "Failed setting SO_REUSEADDR on socket.");
+		SDK_OnUnload();
+		return false;
+	}
+
+	sockaddr_in bindAddr;
+	memset(&bindAddr, 0, sizeof(bindAddr));
+	bindAddr.sin_family = AF_INET;
+	inet_aton(LISTEN_ADDR, &bindAddr.sin_addr);
+	bindAddr.sin_port = htons(LISTEN_PORT);
+
+	// Listen on LISTEN_ADDR:LISTEN_PORT
+	if(bind(m_ListenSocket, (sockaddr *)&bindAddr, sizeof(sockaddr_in)) < 0)
+	{
+		g_SMAPI->Format(error, maxlength, "Failed binding to socket (%d '%s').", errno, strerror(errno));
+		SDK_OnUnload();
+		return false;
+	}
+
+	if(listen(m_ListenSocket, MAX_CLIENTS) < 0)
+	{
+		g_SMAPI->Format(error, maxlength, "Failed listening on socket.");
+		SDK_OnUnload();
+		return false;
+	}
+
+	m_aPollFds[0].fd = m_ListenSocket;
+	m_aPollFds[0].events = POLLIN;
+	m_PollFds++;
+
+	// Encoder settings
+	m_EncoderSettings.InputSampleRate_kHz = 48; // 8, 12, 16, 24, 32, 44.1, 48
+	m_EncoderSettings.OutputSampleRate_kHz = 16; // 8, 12, 16, 24
+	m_EncoderSettings.TargetBitRate_Kbps = 100; // 6 - 40
+	m_EncoderSettings.PacketSize_ms = 20; // 20, 40, 60, 80, 100
+	m_EncoderSettings.FrameSize_ms = 20; //
+	m_EncoderSettings.PacketLoss_perc = 0; // 0 - 100
+	m_EncoderSettings.Complexity = 2; // 0 - 2
+	m_EncoderSettings.InBandFEC = 0; // 0, 1
+	m_EncoderSettings.DTX = 0; // 0, 1
+
+	// Init SILK encoder
+	int encoderSize;
+	SKP_Silk_SDK_Get_Encoder_Size(&encoderSize);
+
+	m_Silk_EncoderState = malloc(encoderSize);
+	if(!m_Silk_EncoderState)
+	{
+		g_SMAPI->Format(error, maxlength, "Failed to malloc %d bytes for silk encoder.", encoderSize);
+		SDK_OnUnload();
+		return false;
+	}
+
+	int retEnc = SKP_Silk_SDK_InitEncoder(m_Silk_EncoderState, &m_Silk_EncoderControl);
+	if(retEnc != SKP_SILK_NO_ERROR)
+	{
+		g_SMAPI->Format(error, maxlength, "Silk encoder initialization failed with: %d", retEnc);
+		SDK_OnUnload();
+		return false;
+	}
+
+	m_Silk_EncoderControl.API_sampleRate = m_EncoderSettings.InputSampleRate_kHz * 1000;
+	m_Silk_EncoderControl.maxInternalSampleRate = m_EncoderSettings.OutputSampleRate_kHz * 1000;
+	m_Silk_EncoderControl.bitRate = m_EncoderSettings.TargetBitRate_Kbps * 1000;
+	m_Silk_EncoderControl.packetSize = m_EncoderSettings.PacketSize_ms * m_EncoderSettings.InputSampleRate_kHz;
+	m_Silk_EncoderControl.packetLossPercentage = m_EncoderSettings.PacketLoss_perc;
+	m_Silk_EncoderControl.complexity = m_EncoderSettings.Complexity;
+	m_Silk_EncoderControl.useInBandFEC = m_EncoderSettings.InBandFEC;
+	m_Silk_EncoderControl.useDTX = m_EncoderSettings.DTX;
+
+	smutils->AddGameFrameHook(::OnGameFrame);
+
+	return true;
+}
+
+void CVoice::SDK_OnAllLoaded()
+{
+	SM_GET_LATE_IFACE(SDKTOOLS, g_pSDKTools);
+	if(g_pSDKTools == NULL)
+		smutils->LogError(myself, "SDKTools interface not found");
+}
+
+void CVoice::SDK_OnUnload()
+{
+	smutils->RemoveGameFrameHook(::OnGameFrame);
+
+	if(m_ListenSocket != -1)
+	{
+		close(m_ListenSocket);
+		m_ListenSocket = -1;
+	}
+
+	for(int Client = 0; Client < MAX_CLIENTS; Client++)
+	{
+		if(m_aClients[Client].m_Socket != -1)
+		{
+			close(m_aClients[Client].m_Socket);
+			m_aClients[Client].m_Socket = -1;
+		}
+	}
+
+	if(m_Silk_EncoderState)
+	{
+		free(m_Silk_EncoderState);
+		m_Silk_EncoderState = NULL;
+	}
+}
+
+void CVoice::OnGameFrame(bool simulating)
+{
+	HandleNetwork();
+	HandleVoiceData();
+}
+
+void CVoice::HandleNetwork()
+{
+	if(m_ListenSocket == -1)
+		return;
+
+	int PollRes = poll(m_aPollFds, m_PollFds, 0);
+	if(PollRes <= 0)
+		return;
+
+	// Accept new clients
+	if(m_aPollFds[0].revents & POLLIN)
+	{
+		// Find slot
+		int Client;
+		for(Client = 0; Client < MAX_CLIENTS; Client++)
+		{
+			if(m_aClients[Client].m_Socket == -1)
+				break;
+		}
+
+		// no free slot
+		if(Client != MAX_CLIENTS)
+		{
+			sockaddr_in addr;
+			size_t size = sizeof(sockaddr_in);
+			int Socket = accept(m_ListenSocket, (sockaddr *)&addr, &size);
+
+			m_aClients[Client].m_Socket = Socket;
+			m_aClients[Client].m_BufferWriteIndex = 0;
+			m_aClients[Client].m_LastLength = 0;
+			m_aClients[Client].m_LastValidData = 0.0;
+			m_aClients[Client].m_New = true;
+
+			m_aPollFds[m_PollFds].fd = Socket;
+			m_aPollFds[m_PollFds].events = POLLIN | POLLHUP;
+			m_aPollFds[m_PollFds].revents = 0;
+			m_PollFds++;
+
+			smutils->LogMessage(myself, "Client %d connected!\n", Client);
+		}
+	}
+
+	bool CompressPollFds = false;
+	for(int PollFds = 1; PollFds < m_PollFds; PollFds++)
+	{
+		int Client = -1;
+		for(Client = 0; Client < MAX_CLIENTS; Client++)
+		{
+			if(m_aClients[Client].m_Socket == m_aPollFds[PollFds].fd)
+				break;
+		}
+		if(Client == -1)
+			continue;
+
+		CClient *pClient = &m_aClients[Client];
+
+		// Connection shutdown prematurely ^C
+		// Make sure to set SO_LINGER l_onoff = 1, l_linger = 0
+		if(m_aPollFds[PollFds].revents & POLLHUP)
+		{
+			close(pClient->m_Socket);
+			pClient->m_Socket = -1;
+			m_aPollFds[PollFds].fd = -1;
+			CompressPollFds = true;
+			smutils->LogMessage(myself, "Client %d disconnected!(2)\n", Client);
+			continue;
+		}
+
+		// Data available?
+		if(!(m_aPollFds[PollFds].revents & POLLIN))
+			continue;
+
+		size_t BytesAvailable;
+		if(ioctl(pClient->m_Socket, FIONREAD, &BytesAvailable) == -1)
+			continue;
+
+		if(pClient->m_New)
+		{
+			pClient->m_BufferWriteIndex = m_Buffer.GetReadIndex();
+			pClient->m_New = false;
+		}
+
+		m_Buffer.SetWriteIndex(pClient->m_BufferWriteIndex);
+
+		// Don't recv() when we can't fit data into the ringbuffer
+		unsigned char aBuf[32768];
+		if(min(BytesAvailable, sizeof(aBuf)) > m_Buffer.CurrentFree() * sizeof(int16_t))
+			continue;
+
+		ssize_t Bytes = recv(pClient->m_Socket, aBuf, sizeof(aBuf), 0);
+
+		if(Bytes <= 0)
+		{
+			close(pClient->m_Socket);
+			pClient->m_Socket = -1;
+			m_aPollFds[PollFds].fd = -1;
+			CompressPollFds = true;
+			smutils->LogMessage(myself, "Client %d disconnected!(1)\n", Client);
+			continue;
+		}
+
+		// Got data!
+		OnDataReceived(pClient, (int16_t *)aBuf, Bytes / sizeof(int16_t));
+
+		pClient->m_LastLength = m_Buffer.CurrentLength();
+		pClient->m_BufferWriteIndex = m_Buffer.GetWriteIndex();
+	}
+
+	if(CompressPollFds)
+	{
+		for(int PollFds = 1; PollFds < m_PollFds; PollFds++)
+		{
+			if(m_aPollFds[PollFds].fd != -1)
+				continue;
+
+			for(int PollFds_ = PollFds; PollFds_ < 1 + MAX_CLIENTS; PollFds_++)
+				m_aPollFds[PollFds_].fd = m_aPollFds[PollFds_ + 1].fd;
+
+			PollFds--;
+			m_PollFds--;
+		}
+	}
+}
+
+void CVoice::OnDataReceived(CClient *pClient, int16_t *pData, size_t Samples)
+{
+	// Check for empty input
+	ssize_t DataStartsAt = -1;
+	for(size_t i = 0; i < Samples; i++)
+	{
+		if(pData[i] == 0)
+			continue;
+
+		DataStartsAt = i;
+		break;
+	}
+
+	// Discard empty data if last vaild data was more than a second ago.
+	if(pClient->m_LastValidData + 1.0 < getTime())
+	{
+		// All empty
+		if(DataStartsAt == -1)
+			return;
+
+		// Data starts here
+		pData += DataStartsAt;
+		Samples -= DataStartsAt;
+	}
+
+	if(!m_Buffer.Push(pData, Samples))
+	{
+		smutils->LogError(myself, "Buffer push failed!!! Samples: %u, Free: %u\n", Samples, m_Buffer.CurrentFree());
+		return;
+	}
+
+	pClient->m_LastValidData = getTime();
+}
+
+struct SteamVoiceHeader
+{
+	uint32_t iSteamAccountID : 32;
+	uint32_t iSteamCommunity : 32;
+	uint32_t nPayload1 : 8;
+	uint32_t iSampleRate : 16;
+	uint32_t nPayload2 : 8;
+	uint32_t iDataLength : 16;
+};
+
+void CVoice::HandleVoiceData()
+{
+	int SamplesPerFrame = m_EncoderSettings.FrameSize_ms * m_EncoderSettings.InputSampleRate_kHz;
+	int FramesAvailable = m_Buffer.TotalLength() / SamplesPerFrame;
+	float TimeAvailable = (float)m_Buffer.TotalLength() / (m_EncoderSettings.InputSampleRate_kHz * 1000.0);
+
+	if(!FramesAvailable)
+		return;
+
+	// Before starting playback we want at least 100ms in the buffer
+	if(m_AvailableTime < getTime() && TimeAvailable < 0.1)
+		return;
+
+	// let the clients have no more than 500ms
+	if(m_AvailableTime > getTime() + 0.5)
+		return;
+
+	// 5 = max frames per packet
+	FramesAvailable = min(FramesAvailable, 5);
+
+	// 0 = SourceTV
+	IClient *pClient = g_pSDKTools->GetIServer()->GetClient(0);
+	if(!pClient)
+		return;
+
+	SteamVoiceHeader Header;
+	size_t HeaderSize = 14;
+
+	Header.iSteamAccountID = 1; // Steam Account ID
+	Header.iSteamCommunity = 0x01100001; // Steam Community ID part: 0x01100001 << 32
+	Header.nPayload1 = 11; // nPayLoad | Type 11 = Samplerate
+	Header.iSampleRate = m_EncoderSettings.OutputSampleRate_kHz * 1000; // Samplerate
+	Header.nPayload2 = 4; // nPayLoad | Type 4 = Silk Frames
+	Header.iDataLength = 0; // Silk Frames total length
+
+	// Header + Frames + CRC32
+	unsigned char aFinal[HeaderSize + 8192 + sizeof(uint32_t)];
+	size_t FinalSize = HeaderSize;
+
+	for(int Frame = 0; Frame < FramesAvailable; Frame++)
+	{
+		// Get data into buffer from ringbuffer.
+		int16_t aBuffer[SamplesPerFrame];
+
+		size_t OldReadIdx = m_Buffer.m_ReadIndex;
+		size_t OldCurLength = m_Buffer.CurrentLength();
+		size_t OldTotalLength = m_Buffer.TotalLength();
+
+		if(!m_Buffer.Pop(aBuffer, SamplesPerFrame))
+		{
+			smutils->LogError(myself, "Buffer pop failed!!! Samples: %u, Length: %u\n", SamplesPerFrame, m_Buffer.TotalLength());
+			return;
+		}
+
+		// Frame Size
+		int16_t *pFrameSize = (int16_t *)(&aFinal[FinalSize]);
+		FinalSize += sizeof(int16_t);
+		Header.iDataLength += sizeof(int16_t);
+		*pFrameSize = sizeof(aFinal) - HeaderSize - sizeof(uint32_t) - FinalSize;
+
+		// Encode it!
+		int Ret = SKP_Silk_SDK_Encode(m_Silk_EncoderState, &m_Silk_EncoderControl, aBuffer,
+			SamplesPerFrame, &aFinal[FinalSize], pFrameSize);
+
+		if(Ret)
+		{
+			smutils->LogError(myself, "SKP_Silk_SDK_Encode returned %d\n", Ret);
+			return;
+		}
+
+		FinalSize += *pFrameSize;
+		Header.iDataLength += *pFrameSize;
+
+		// Check for buffer underruns
+		for(int Client = 0; Client < MAX_CLIENTS; Client++)
+		{
+			CClient *pClient = &m_aClients[Client];
+			if(pClient->m_Socket == -1 || pClient->m_New == true)
+				continue;
+
+			m_Buffer.SetWriteIndex(pClient->m_BufferWriteIndex);
+
+			if(m_Buffer.CurrentLength() > pClient->m_LastLength)
+			{
+				pClient->m_BufferWriteIndex = m_Buffer.GetReadIndex();
+				m_Buffer.SetWriteIndex(pClient->m_BufferWriteIndex);
+				pClient->m_LastLength = m_Buffer.CurrentLength();
+			}
+		}
+	}
+
+	// Header
+	memcpy(aFinal, &Header, HeaderSize);
+
+	// CRC32
+	*(uint32_t *)(&aFinal[FinalSize]) = UTIL_CRC32(aFinal, FinalSize);
+	FinalSize += sizeof(uint32_t);
+
+	SV_BroadcastVoiceData(pClient, FinalSize, aFinal);
+
+	if(m_AvailableTime < getTime())
+		m_AvailableTime = getTime();
+
+	m_AvailableTime += (double)FramesAvailable * ((double)m_EncoderSettings.FrameSize_ms / 1000.0);
+}
+
+void CVoice::SV_BroadcastVoiceData(IClient *pClient, int nBytes, unsigned char *pData)
+{
+	m_SV_BroadcastVoiceData(pClient, nBytes, pData, 0);
+}

extension.h

@@ -0,0 +1,177 @@
+/**
+ * vim: set ts=4 :
+ * =============================================================================
+ * SourceMod Sample Extension
+ * Copyright (C) 2004-2008 AlliedModders LLC.  All rights reserved.
+ * =============================================================================
+ *
+ * This program is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, version 3.0, as published by the
+ * Free Software Foundation.
+ * 
+ * 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 for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * As a special exception, AlliedModders LLC gives you permission to link the
+ * code of this program (as well as its derivative works) to "Half-Life 2," the
+ * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
+ * by the Valve Corporation.  You must obey the GNU General Public License in
+ * all respects for all other code used.  Additionally, AlliedModders LLC grants
+ * this exception to all derivative works.  AlliedModders LLC defines further
+ * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
+ * or <http://www.sourcemod.net/license.php>.
+ *
+ * Version: $Id$
+ */
+
+#ifndef _INCLUDE_SOURCEMOD_EXTENSION_PROPER_H_
+#define _INCLUDE_SOURCEMOD_EXTENSION_PROPER_H_
+
+#include "smsdk_ext.h"
+#include <SKP_Silk_SDK_API.h>
+#include "ringbuffer.h"
+
+/**
+ * @file extension.h
+ * @brief Sample extension code header.
+ */
+
+#define MAX_CLIENTS 16
+
+#ifdef _WIN32
+typedef __int64		int64;
+#else
+typedef long long	int64;
+#endif
+
+class IClient;
+typedef void (*t_SV_BroadcastVoiceData)(IClient *, int, unsigned char *, int64);
+
+/**
+ * @brief Sample implementation of the SDK Extension.
+ * Note: Uncomment one of the pre-defined virtual functions in order to use it.
+ */
+class CVoice : public SDKExtension
+{
+public:
+	/**
+	 * @brief This is called after the initial loading sequence has been processed.
+	 *
+	 * @param error		Error message buffer.
+	 * @param maxlength	Size of error message buffer.
+	 * @param late		Whether or not the module was loaded after map load.
+	 * @return			True to succeed loading, false to fail.
+	 */
+	virtual bool SDK_OnLoad(char *error, size_t maxlength, bool late);
+
+	/**
+	 * @brief This is called right before the extension is unloaded.
+	 */
+	virtual void SDK_OnUnload();
+
+	/**
+	 * @brief This is called once all known extensions have been loaded.
+	 * Note: It is is a good idea to add natives here, if any are provided.
+	 */
+	virtual void SDK_OnAllLoaded();
+
+	/**
+	 * @brief Called when the pause state is changed.
+	 */
+	//virtual void SDK_OnPauseChange(bool paused);
+
+	/**
+	 * @brief this is called when Core wants to know if your extension is working.
+	 *
+	 * @param error		Error message buffer.
+	 * @param maxlength	Size of error message buffer.
+	 * @return			True if working, false otherwise.
+	 */
+	//virtual bool QueryRunning(char *error, size_t maxlength);
+public:
+#if defined SMEXT_CONF_METAMOD
+	/**
+	 * @brief Called when Metamod is attached, before the extension version is called.
+	 *
+	 * @param error			Error buffer.
+	 * @param maxlength		Maximum size of error buffer.
+	 * @param late			Whether or not Metamod considers this a late load.
+	 * @return				True to succeed, false to fail.
+	 */
+	//virtual bool SDK_OnMetamodLoad(ISmmAPI *ismm, char *error, size_t maxlength, bool late);
+
+	/**
+	 * @brief Called when Metamod is detaching, after the extension version is called.
+	 * NOTE: By default this is blocked unless sent from SourceMod.
+	 *
+	 * @param error			Error buffer.
+	 * @param maxlength		Maximum size of error buffer.
+	 * @return				True to succeed, false to fail.
+	 */
+	//virtual bool SDK_OnMetamodUnload(char *error, size_t maxlength);
+
+	/**
+	 * @brief Called when Metamod's pause state is changing.
+	 * NOTE: By default this is blocked unless sent from SourceMod.
+	 *
+	 * @param paused		Pause state being set.
+	 * @param error			Error buffer.
+	 * @param maxlength		Maximum size of error buffer.
+	 * @return				True to succeed, false to fail.
+	 */
+	//virtual bool SDK_OnMetamodPauseChange(bool paused, char *error, size_t maxlength);
+#endif
+
+public:
+	CVoice();
+	void OnGameFrame(bool simulating);
+
+private:
+	int m_ListenSocket;
+
+	struct CClient
+	{
+		int m_Socket;
+		size_t m_BufferWriteIndex;
+		size_t m_LastLength;
+		double m_LastValidData;
+		bool m_New;
+	} m_aClients[MAX_CLIENTS];
+
+	struct pollfd m_aPollFds[1 + MAX_CLIENTS];
+	int m_PollFds;
+
+	CRingBuffer m_Buffer;
+
+	double m_AvailableTime;
+
+	struct CEncoderSettings
+	{
+		SKP_int InputSampleRate_kHz;
+		SKP_int OutputSampleRate_kHz;
+		SKP_int TargetBitRate_Kbps;
+		SKP_int PacketSize_ms;
+		SKP_int FrameSize_ms;
+		SKP_int PacketLoss_perc;
+		SKP_int Complexity;
+		SKP_int InBandFEC;
+		SKP_int DTX;
+	} m_EncoderSettings;
+
+	void *m_Silk_EncoderState;
+	SKP_SILK_SDK_EncControlStruct m_Silk_EncoderControl;
+
+	t_SV_BroadcastVoiceData m_SV_BroadcastVoiceData;
+
+	void HandleNetwork();
+	void OnDataReceived(CClient *pClient, int16_t *pData, size_t Samples);
+	void HandleVoiceData();
+	void SV_BroadcastVoiceData(IClient *pClient, int nBytes, unsigned char *pData);
+};
+
+#endif // _INCLUDE_SOURCEMOD_EXTENSION_PROPER_H_

ringbuffer.cpp

@@ -0,0 +1,164 @@
+#include <string.h>
+#include <stdio.h>
+#include "ringbuffer.h"
+
+#undef NDEBUG
+#include <assert.h>
+
+template <typename T> inline T min(T a, T b) { return a<b?a:b; }
+
+CRingBuffer::CRingBuffer() : m_BufferSize(sizeof(m_aBuffer) / sizeof(*m_aBuffer))
+{
+	m_ReadIndex = 0;
+	m_WriteIndex = 0;
+	m_Length = 0;
+}
+
+bool CRingBuffer::Pop(int16_t *pBuffer, size_t Samples)
+{
+	if(Samples > TotalLength())
+		return false;
+
+	if(m_ReadIndex + Samples > m_BufferSize)
+	{
+		size_t TowardsEnd = m_BufferSize - m_ReadIndex;
+		memcpy(pBuffer, &m_aBuffer[m_ReadIndex], TowardsEnd * sizeof(*m_aBuffer));
+		m_ReadIndex = 0;
+
+		size_t Left = Samples - TowardsEnd;
+		memcpy(&pBuffer[TowardsEnd], m_aBuffer, Left * sizeof(*m_aBuffer));
+		m_ReadIndex = Left;
+	}
+	else
+	{
+		memcpy(pBuffer, &m_aBuffer[m_ReadIndex], Samples * sizeof(*m_aBuffer));
+		m_ReadIndex += Samples;
+	}
+
+	if(m_ReadIndex == m_BufferSize)
+		m_ReadIndex = 0;
+
+	m_Length -= Samples;
+
+	return true;
+}
+
+void CRingBuffer::Mix(int16_t *pData, size_t Samples)
+{
+	assert(!(m_WriteIndex + Samples > m_BufferSize));
+
+	int16_t *pBuffer = &m_aBuffer[m_WriteIndex];
+	while(Samples--)
+	{
+		int32_t Sample = *pBuffer;
+		Sample += *pData;
+
+		if(Sample > INT16_MAX)
+			*pBuffer = INT16_MAX;
+		else if(Sample < INT16_MIN)
+			*pBuffer = INT16_MIN;
+		else
+			*pBuffer = Sample;
+
+		pBuffer++;
+		pData++;
+	}
+}
+
+bool CRingBuffer::Push(int16_t *pData, size_t Samples)
+{
+	if(Samples > CurrentFree())
+		return false;
+
+	// Mix with data in front of us
+	if(CurrentLength() < TotalLength())
+	{
+		//
+		size_t ToMix = min(Samples, TotalLength() - CurrentLength());
+
+		if(m_WriteIndex + ToMix > m_BufferSize)
+		{
+			size_t TowardsEnd = m_BufferSize - m_WriteIndex;
+			Mix(pData, TowardsEnd);
+			m_WriteIndex = 0;
+
+			size_t Left = ToMix - TowardsEnd;
+			Mix(&pData[TowardsEnd], Left);
+			m_WriteIndex = Left;
+		}
+		else
+		{
+			Mix(pData, ToMix);
+			m_WriteIndex += ToMix;
+		}
+
+		if(m_WriteIndex == m_BufferSize)
+			m_WriteIndex = 0;
+
+		pData += ToMix;
+		Samples -= ToMix;
+	}
+
+	//
+	if(!Samples)
+		return true;
+
+	if(m_WriteIndex + Samples > m_BufferSize)
+	{
+		size_t TowardsEnd = m_BufferSize - m_WriteIndex;
+		memcpy(&m_aBuffer[m_WriteIndex], pData, TowardsEnd * sizeof(*m_aBuffer));
+		m_WriteIndex = 0;
+
+		size_t Left = Samples - TowardsEnd;
+		memcpy(m_aBuffer, &pData[TowardsEnd], Left * sizeof(*m_aBuffer));
+		m_WriteIndex = Left;
+	}
+	else
+	{
+		memcpy(&m_aBuffer[m_WriteIndex], pData, Samples * sizeof(*m_aBuffer));
+		m_WriteIndex += Samples;
+	}
+
+	if(m_WriteIndex == m_BufferSize)
+		m_WriteIndex = 0;
+
+	m_Length += Samples;
+
+	return true;
+}
+
+size_t CRingBuffer::TotalLength()
+{
+	return m_Length;
+}
+
+size_t CRingBuffer::TotalFree()
+{
+	return m_BufferSize - m_Length - 1;
+}
+
+size_t CRingBuffer::CurrentLength()
+{
+	return ((ssize_t)m_WriteIndex - (ssize_t)m_ReadIndex) % m_BufferSize;
+}
+
+size_t CRingBuffer::CurrentFree()
+{
+	size_t BufferFree = ((ssize_t)m_ReadIndex - (ssize_t)m_WriteIndex) % m_BufferSize;
+	return (BufferFree ? BufferFree : m_BufferSize) - 1;
+}
+
+size_t CRingBuffer::GetReadIndex()
+{
+	return m_ReadIndex;
+}
+
+size_t CRingBuffer::GetWriteIndex()
+{
+	return m_WriteIndex;
+}
+
+void CRingBuffer::SetWriteIndex(size_t WriteIndex)
+{
+	m_WriteIndex = WriteIndex;
+}

ringbuffer.h

@@ -0,0 +1,35 @@
+#ifndef RINGBUFFER_H
+#define RINGBUFFER_H
+
+#include <stdint.h>
+#include <stdlib.h>
+
+class CRingBuffer
+{
+public:
+	const size_t m_BufferSize;
+	CRingBuffer();
+
+	bool Pop(int16_t *pData, size_t Samples);
+	bool Push(int16_t *pData, size_t BufLen);
+
+	size_t TotalLength();
+	size_t TotalFree();
+	size_t CurrentLength();
+	size_t CurrentFree();
+
+	size_t GetReadIndex();
+	size_t GetWriteIndex();
+	void SetWriteIndex(size_t WriteIndex);
+
+public:
+	void Mix(int16_t *pData, size_t Samples);
+
+	size_t m_ReadIndex;
+	size_t m_WriteIndex;
+	size_t m_Length;
+
+	int16_t m_aBuffer[32768];
+};
+
+#endif // RINGBUFFER_H

silk/SKP_Silk_SDK_API.h

@@ -0,0 +1,152 @@
+/***********************************************************************
+Copyright (c) 2006-2012, Skype Limited. All rights reserved. 
+Redistribution and use in source and binary forms, with or without 
+modification, (subject to the limitations in the disclaimer below) 
+are permitted provided that the following conditions are met:
+- Redistributions of source code must retain the above copyright notice,
+this list of conditions and the following disclaimer.
+- Redistributions in binary form must reproduce the above copyright 
+notice, this list of conditions and the following disclaimer in the 
+documentation and/or other materials provided with the distribution.
+- Neither the name of Skype Limited, nor the names of specific 
+contributors, may be used to endorse or promote products derived from 
+this software without specific prior written permission.
+NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED 
+BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 
+CONTRIBUTORS ''AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
+BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 
+FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 
+COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 
+INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 
+USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+***********************************************************************/
+
+#ifndef SKP_SILK_SDK_API_H
+#define SKP_SILK_SDK_API_H
+
+#include "SKP_Silk_control.h"
+#include "SKP_Silk_typedef.h"
+#include "SKP_Silk_errors.h"
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#define SILK_MAX_FRAMES_PER_PACKET  5
+
+/* Struct for TOC (Table of Contents) */
+typedef struct {
+    SKP_int     framesInPacket;                             /* Number of 20 ms frames in packet     */
+    SKP_int     fs_kHz;                                     /* Sampling frequency in packet         */
+    SKP_int     inbandLBRR;                                 /* Does packet contain LBRR information */
+    SKP_int     corrupt;                                    /* Packet is corrupt                    */
+    SKP_int     vadFlags[     SILK_MAX_FRAMES_PER_PACKET ]; /* VAD flag for each frame in packet    */
+    SKP_int     sigtypeFlags[ SILK_MAX_FRAMES_PER_PACKET ]; /* Signal type for each frame in packet */
+} SKP_Silk_TOC_struct;
+
+/****************************************/
+/* Encoder functions                    */
+/****************************************/
+
+/***********************************************/
+/* Get size in bytes of the Silk encoder state */
+/***********************************************/
+SKP_int SKP_Silk_SDK_Get_Encoder_Size( 
+    SKP_int32                           *encSizeBytes   /* O:   Number of bytes in SILK encoder state           */
+);
+
+/*************************/
+/* Init or reset encoder */
+/*************************/
+SKP_int SKP_Silk_SDK_InitEncoder(
+    void                                *encState,      /* I/O: State                                           */
+    SKP_SILK_SDK_EncControlStruct       *encStatus      /* O:   Encoder Status                                  */
+);
+
+/***************************************/
+/* Read control structure from encoder */
+/***************************************/
+SKP_int SKP_Silk_SDK_QueryEncoder(
+    const void                          *encState,      /* I:   State                                           */
+    SKP_SILK_SDK_EncControlStruct       *encStatus      /* O:   Encoder Status                                  */
+);
+
+/**************************/
+/* Encode frame with Silk */
+/**************************/
+SKP_int SKP_Silk_SDK_Encode( 
+    void                                *encState,      /* I/O: State                                           */
+    const SKP_SILK_SDK_EncControlStruct *encControl,    /* I:   Control status                                  */
+    const SKP_int16                     *samplesIn,     /* I:   Speech sample input vector                      */
+    SKP_int                             nSamplesIn,     /* I:   Number of samples in input vector               */
+    SKP_uint8                           *outData,       /* O:   Encoded output vector                           */
+    SKP_int16                           *nBytesOut      /* I/O: Number of bytes in outData (input: Max bytes)   */
+);
+
+/****************************************/
+/* Decoder functions                    */
+/****************************************/
+
+/***********************************************/
+/* Get size in bytes of the Silk decoder state */
+/***********************************************/
+SKP_int SKP_Silk_SDK_Get_Decoder_Size( 
+    SKP_int32                           *decSizeBytes   /* O:   Number of bytes in SILK decoder state           */
+);
+
+/*************************/
+/* Init or Reset decoder */
+/*************************/
+SKP_int SKP_Silk_SDK_InitDecoder( 
+    void                                *decState       /* I/O: State                                           */
+);
+
+/******************/
+/* Decode a frame */
+/******************/
+SKP_int SKP_Silk_SDK_Decode(
+    void*                               decState,       /* I/O: State                                           */
+    SKP_SILK_SDK_DecControlStruct*      decControl,     /* I/O: Control Structure                               */
+    SKP_int                             lostFlag,       /* I:   0: no loss, 1 loss                              */
+    const SKP_uint8                     *inData,        /* I:   Encoded input vector                            */
+    const SKP_int                       nBytesIn,       /* I:   Number of input bytes                           */
+    SKP_int16                           *samplesOut,    /* O:   Decoded output speech vector                    */
+    SKP_int16                           *nSamplesOut    /* I/O: Number of samples (vector/decoded)              */
+);
+
+/***************************************************************/
+/* Find Low Bit Rate Redundancy (LBRR) information in a packet */
+/***************************************************************/
+void SKP_Silk_SDK_search_for_LBRR(
+    const SKP_uint8                     *inData,        /* I:   Encoded input vector                            */
+    const SKP_int                       nBytesIn,       /* I:   Number of input Bytes                           */
+    SKP_int                             lost_offset,    /* I:   Offset from lost packet                         */
+    SKP_uint8                           *LBRRData,      /* O:   LBRR payload                                    */
+    SKP_int16                           *nLBRRBytes     /* O:   Number of LBRR Bytes                            */
+);
+
+/**************************************/
+/* Get table of contents for a packet */
+/**************************************/
+void SKP_Silk_SDK_get_TOC(
+    const SKP_uint8                     *inData,        /* I:   Encoded input vector                            */
+    const SKP_int                       nBytesIn,       /* I:   Number of input bytes                           */
+    SKP_Silk_TOC_struct                 *Silk_TOC       /* O:   Table of contents                               */
+);
+
+/**************************/
+/* Get the version number */
+/**************************/
+/* Return a pointer to string specifying the version */ 
+const char *SKP_Silk_SDK_get_version();
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

silk/SKP_Silk_control.h

@@ -0,0 +1,91 @@
+/***********************************************************************
+Copyright (c) 2006-2012, Skype Limited. All rights reserved. 
+Redistribution and use in source and binary forms, with or without 
+modification, (subject to the limitations in the disclaimer below) 
+are permitted provided that the following conditions are met:
+- Redistributions of source code must retain the above copyright notice,
+this list of conditions and the following disclaimer.
+- Redistributions in binary form must reproduce the above copyright 
+notice, this list of conditions and the following disclaimer in the 
+documentation and/or other materials provided with the distribution.
+- Neither the name of Skype Limited, nor the names of specific 
+contributors, may be used to endorse or promote products derived from 
+this software without specific prior written permission.
+NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED 
+BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 
+CONTRIBUTORS ''AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
+BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 
+FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 
+COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 
+INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 
+USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+***********************************************************************/
+
+#ifndef SKP_SILK_CONTROL_H
+#define SKP_SILK_CONTROL_H
+
+#include "SKP_Silk_typedef.h"
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+/***********************************************/
+/* Structure for controlling encoder operation */
+/***********************************************/
+typedef struct {
+    /* I:   Input signal sampling rate in Hertz; 8000/12000/16000/24000                     */
+    SKP_int32 API_sampleRate;
+
+    /* I:   Maximum internal sampling rate in Hertz; 8000/12000/16000/24000                 */
+    SKP_int32 maxInternalSampleRate;
+
+    /* I:   Number of samples per packet; must be equivalent of 20, 40, 60, 80 or 100 ms    */
+    SKP_int packetSize;
+
+    /* I:   Bitrate during active speech in bits/second; internally limited                 */
+    SKP_int32 bitRate;                        
+
+    /* I:   Uplink packet loss in percent (0-100)                                           */
+    SKP_int packetLossPercentage;
+    
+    /* I:   Complexity mode; 0 is lowest; 1 is medium and 2 is highest complexity           */
+    SKP_int complexity;
+
+    /* I:   Flag to enable in-band Forward Error Correction (FEC); 0/1                      */
+    SKP_int useInBandFEC;
+
+    /* I:   Flag to enable discontinuous transmission (DTX); 0/1                            */
+    SKP_int useDTX;
+} SKP_SILK_SDK_EncControlStruct;
+
+/**************************************************************************/
+/* Structure for controlling decoder operation and reading decoder status */
+/**************************************************************************/
+typedef struct {
+    /* I:   Output signal sampling rate in Hertz; 8000/12000/16000/24000                    */
+    SKP_int32 API_sampleRate;
+
+    /* O:   Number of samples per frame                                                     */
+    SKP_int frameSize;
+
+    /* O:   Frames per packet 1, 2, 3, 4, 5                                                 */
+    SKP_int framesPerPacket;
+
+    /* O:   Flag to indicate that the decoder has remaining payloads internally             */
+    SKP_int moreInternalDecoderFrames;
+
+    /* O:   Distance between main payload and redundant payload in packets                  */
+    SKP_int inBandFECOffset;
+} SKP_SILK_SDK_DecControlStruct;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

silk/SKP_Silk_errors.h

@@ -0,0 +1,89 @@
+/***********************************************************************
+Copyright (c) 2006-2012, Skype Limited. All rights reserved. 
+Redistribution and use in source and binary forms, with or without 
+modification, (subject to the limitations in the disclaimer below) 
+are permitted provided that the following conditions are met:
+- Redistributions of source code must retain the above copyright notice,
+this list of conditions and the following disclaimer.
+- Redistributions in binary form must reproduce the above copyright 
+notice, this list of conditions and the following disclaimer in the 
+documentation and/or other materials provided with the distribution.
+- Neither the name of Skype Limited, nor the names of specific 
+contributors, may be used to endorse or promote products derived from 
+this software without specific prior written permission.
+NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED 
+BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 
+CONTRIBUTORS ''AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
+BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 
+FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 
+COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 
+INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 
+USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+***********************************************************************/
+
+#ifndef SKP_SILK_ERRORS_H
+#define SKP_SILK_ERRORS_H
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+/******************/
+/* Error messages */
+/******************/
+#define SKP_SILK_NO_ERROR                               0
+
+/**************************/
+/* Encoder error messages */
+/**************************/
+
+/* Input length is not a multiplum of 10 ms, or length is longer than the packet length */
+#define SKP_SILK_ENC_INPUT_INVALID_NO_OF_SAMPLES        -1
+
+/* Sampling frequency not 8000, 12000, 16000 or 24000 Hertz */
+#define SKP_SILK_ENC_FS_NOT_SUPPORTED                   -2
+
+/* Packet size not 20, 40, 60, 80 or 100 ms */
+#define SKP_SILK_ENC_PACKET_SIZE_NOT_SUPPORTED          -3
+
+/* Allocated payload buffer too short */
+#define SKP_SILK_ENC_PAYLOAD_BUF_TOO_SHORT              -4
+
+/* Loss rate not between 0 and 100 percent */
+#define SKP_SILK_ENC_INVALID_LOSS_RATE                  -5
+
+/* Complexity setting not valid, use 0, 1 or 2 */
+#define SKP_SILK_ENC_INVALID_COMPLEXITY_SETTING         -6
+
+/* Inband FEC setting not valid, use 0 or 1 */
+#define SKP_SILK_ENC_INVALID_INBAND_FEC_SETTING         -7
+
+/* DTX setting not valid, use 0 or 1 */
+#define SKP_SILK_ENC_INVALID_DTX_SETTING                -8
+
+/* Internal encoder error */
+#define SKP_SILK_ENC_INTERNAL_ERROR                     -9
+
+/**************************/
+/* Decoder error messages */
+/**************************/
+
+/* Output sampling frequency lower than internal decoded sampling frequency */
+#define SKP_SILK_DEC_INVALID_SAMPLING_FREQUENCY         -10
+
+/* Payload size exceeded the maximum allowed 1024 bytes */
+#define SKP_SILK_DEC_PAYLOAD_TOO_LARGE                  -11
+
+/* Payload has bit errors */
+#define SKP_SILK_DEC_PAYLOAD_ERROR                      -12
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

silk/SKP_Silk_typedef.h

@@ -0,0 +1,107 @@
+/***********************************************************************
+Copyright (c) 2006-2012, Skype Limited. All rights reserved. 
+Redistribution and use in source and binary forms, with or without 
+modification, (subject to the limitations in the disclaimer below) 
+are permitted provided that the following conditions are met:
+- Redistributions of source code must retain the above copyright notice,
+this list of conditions and the following disclaimer.
+- Redistributions in binary form must reproduce the above copyright 
+notice, this list of conditions and the following disclaimer in the 
+documentation and/or other materials provided with the distribution.
+- Neither the name of Skype Limited, nor the names of specific 
+contributors, may be used to endorse or promote products derived from 
+this software without specific prior written permission.
+NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED 
+BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 
+CONTRIBUTORS ''AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
+BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 
+FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 
+COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 
+INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 
+USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+***********************************************************************/
+
+#ifndef _SKP_SILK_API_TYPDEF_H_
+#define _SKP_SILK_API_TYPDEF_H_
+
+#ifndef SKP_USE_DOUBLE_PRECISION_FLOATS
+#define SKP_USE_DOUBLE_PRECISION_FLOATS		0
+#endif
+
+#include <float.h>
+#if defined( __GNUC__ )
+#include <stdint.h>
+#endif
+
+#define SKP_int         int                     /* used for counters etc; at least 16 bits */
+#ifdef __GNUC__
+# define SKP_int64      int64_t
+#else
+# define SKP_int64      long long
+#endif
+#define SKP_int32       int
+#define SKP_int16       short
+#define SKP_int8        signed char
+
+#define SKP_uint        unsigned int            /* used for counters etc; at least 16 bits */
+#ifdef __GNUC__
+# define SKP_uint64     uint64_t
+#else
+# define SKP_uint64     unsigned long long
+#endif
+#define SKP_uint32      unsigned int
+#define SKP_uint16      unsigned short
+#define SKP_uint8       unsigned char
+
+#define SKP_int_ptr_size intptr_t
+
+#if SKP_USE_DOUBLE_PRECISION_FLOATS
+# define SKP_float      double
+# define SKP_float_MAX  DBL_MAX
+#else
+# define SKP_float      float
+# define SKP_float_MAX  FLT_MAX
+#endif
+
+#define SKP_INLINE      static __inline
+
+#ifdef _WIN32
+# define SKP_STR_CASEINSENSITIVE_COMPARE(x, y) _stricmp(x, y)
+#else
+# define SKP_STR_CASEINSENSITIVE_COMPARE(x, y) strcasecmp(x, y)
+#endif 
+
+#define	SKP_int64_MAX	((SKP_int64)0x7FFFFFFFFFFFFFFFLL)	/*  2^63 - 1  */
+#define SKP_int64_MIN	((SKP_int64)0x8000000000000000LL)	/* -2^63	 */
+#define	SKP_int32_MAX	0x7FFFFFFF							/*  2^31 - 1 =  2147483647*/
+#define SKP_int32_MIN	((SKP_int32)0x80000000)				/* -2^31	 = -2147483648*/
+#define	SKP_int16_MAX	0x7FFF								/*	2^15 - 1 =	32767*/
+#define SKP_int16_MIN	((SKP_int16)0x8000)					/* -2^15	 = -32768*/
+#define	SKP_int8_MAX	0x7F								/*	2^7 - 1  =  127*/
+#define SKP_int8_MIN	((SKP_int8)0x80)					/* -2^7 	 = -128*/
+
+#define SKP_uint32_MAX	0xFFFFFFFF	/* 2^32 - 1 = 4294967295 */
+#define SKP_uint32_MIN	0x00000000
+#define SKP_uint16_MAX	0xFFFF		/* 2^16 - 1 = 65535 */
+#define SKP_uint16_MIN	0x0000
+#define SKP_uint8_MAX	0xFF		/*  2^8 - 1 = 255 */
+#define SKP_uint8_MIN	0x00
+
+#define SKP_TRUE		1
+#define SKP_FALSE		0
+
+/* assertions */
+#if (defined _WIN32 && !defined _WINCE && !defined(__GNUC__) && !defined(NO_ASSERTS))
+# ifndef SKP_assert
+#  include <crtdbg.h>      /* ASSERTE() */
+#  define SKP_assert(COND)   _ASSERTE(COND)
+# endif
+#else
+# define SKP_assert(COND)
+#endif
+
+#endif

smsdk_config.h

@@ -0,0 +1,81 @@
+/**
+ * vim: set ts=4 :
+ * =============================================================================
+ * SourceMod Sample Extension
+ * Copyright (C) 2004-2008 AlliedModders LLC.  All rights reserved.
+ * =============================================================================
+ *
+ * This program is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, version 3.0, as published by the
+ * Free Software Foundation.
+ * 
+ * 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 for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * As a special exception, AlliedModders LLC gives you permission to link the
+ * code of this program (as well as its derivative works) to "Half-Life 2," the
+ * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
+ * by the Valve Corporation.  You must obey the GNU General Public License in
+ * all respects for all other code used.  Additionally, AlliedModders LLC grants
+ * this exception to all derivative works.  AlliedModders LLC defines further
+ * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
+ * or <http://www.sourcemod.net/license.php>.
+ *
+ * Version: $Id$
+ */
+
+#ifndef _INCLUDE_SOURCEMOD_EXTENSION_CONFIG_H_
+#define _INCLUDE_SOURCEMOD_EXTENSION_CONFIG_H_
+
+/**
+ * @file smsdk_config.h
+ * @brief Contains macros for configuring basic extension information.
+ */
+
+/* Basic information exposed publicly */
+#define SMEXT_CONF_NAME			"Voice"
+#define SMEXT_CONF_DESCRIPTION	"Inject voice data over existing clients"
+#define SMEXT_CONF_VERSION		"1.0"
+#define SMEXT_CONF_AUTHOR		"BotoX"
+#define SMEXT_CONF_URL			""
+#define SMEXT_CONF_LOGTAG		"VOICE"
+#define SMEXT_CONF_LICENSE		"GPL"
+#define SMEXT_CONF_DATESTRING	__DATE__
+
+/** 
+ * @brief Exposes plugin's main interface.
+ */
+#define SMEXT_LINK(name) SDKExtension *g_pExtensionIface = name;
+
+/**
+ * @brief Sets whether or not this plugin required Metamod.
+ * NOTE: Uncomment to enable, comment to disable.
+ */
+#define SMEXT_CONF_METAMOD
+
+/** Enable interfaces you want to use here by uncommenting lines */
+//#define SMEXT_ENABLE_FORWARDSYS
+//#define SMEXT_ENABLE_HANDLESYS
+//#define SMEXT_ENABLE_PLAYERHELPERS
+//#define SMEXT_ENABLE_DBMANAGER
+#define SMEXT_ENABLE_GAMECONF
+#define SMEXT_ENABLE_MEMUTILS
+#define SMEXT_ENABLE_GAMEHELPERS
+//#define SMEXT_ENABLE_TIMERSYS
+//#define SMEXT_ENABLE_THREADER
+//#define SMEXT_ENABLE_LIBSYS
+//#define SMEXT_ENABLE_MENUS
+//#define SMEXT_ENABLE_ADTFACTORY
+//#define SMEXT_ENABLE_PLUGINSYS
+//#define SMEXT_ENABLE_ADMINSYS
+//#define SMEXT_ENABLE_TEXTPARSERS
+//#define SMEXT_ENABLE_USERMSGS
+//#define SMEXT_ENABLE_TRANSLATOR
+//#define SMEXT_ENABLE_ROOTCONSOLEMENU
+
+#endif // _INCLUDE_SOURCEMOD_EXTENSION_CONFIG_H_

voice_packet.bt.txt

@@ -0,0 +1,68 @@
+//--------------------------------------
+//--- 010 Editor v6.0.3 Binary Template
+//
+// File:
+// Author:
+// Revision:
+// Purpose:
+//--------------------------------------
+
+// CClientAudio::DecompressVoice
+local int64 crcLength = FileSize() - sizeof(uint32);
+
+uint64 steamId;
+
+FSeek(crcLength);
+uint32 crc;
+
+local int64 crc_calc = Checksum(CHECKSUM_CRC32, 0, crcLength);
+if (crc != crc_calc) {
+    Warning("CRC mismatch!");
+    return;
+}
+
+// CVoiceDecoder::ProcessVoicePayload
+FSeek(sizeof(uint64));
+
+while (FTell() < crcLength) {
+    char payloadType;
+
+    switch (payloadType) {
+    default:
+        Warning("Unhandled payload!");
+        return;
+    case 11: // Sample Rate
+        short sampleRate;
+        break;
+    case 10: // Unknown / Unused
+        char unk1;
+        char unk2;
+        break;
+    case 1: // Unknown Codec???
+    case 2: // Speex Data (Unsupported)
+    case 3: // Uncompressed Data
+    case 4: // SILK Data
+        short dataLength;
+        char data[dataLength];
+        break;
+    case 0: // Silence
+        short numSamples;
+        break;
+    }
+}
+
+// CVoiceDecoder::AddIncomingData
+FSeek(startof(data));
+
+// VoiceEncoder_SILK::Decompress
+
+// chunkLength == -1 means ResetState
+
+while ((FTell() - startof(data)) < dataLength) {
+    struct Chunk {
+        short chunkLength;
+        if (chunkLength != -1) {
+            char chunk[chunkLength];
+        }
+    } chunk;
+}