From 21258e595cf244f4395f61158e18951df267b10e Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <sezeroz@gmail.com>
Date: Thu, 18 Jul 2013 07:03:11 +0000
Subject: [PATCH] merged the opus codec support patch

git-svn-id: svn://svn.code.sf.net/p/quakespasm/code/trunk/quakespasm@856 af15c1b1-3010-417e-b628-4374ebc0bcbd
---
 Linux/CodeBlocks/QuakeSpasm.cbp             |   4 +
 MacOSX/QuakeSpasm.xcodeproj/project.pbxproj |  20 +
 Misc/snd_opus.patch                         | 423 --------------------
 Quake/Makefile                              |  10 +
 Quake/Makefile.darwin                       |   8 +
 Quake/Makefile.w32                          |   8 +
 Quake/Makefile.w64                          |   8 +
 Quake/bgmusic.c                             |   1 +
 Quake/snd_codec.c                           |   4 +
 Quake/snd_codec.h                           |   1 +
 Quake/snd_opus.c                            | 215 ++++++++++
 Quake/snd_opus.h                            |  13 +
 Windows/CodeBlocks/QuakeSpasm.cbp           |   7 +
 Windows/VisualStudio/quakespasm.vcproj      |  24 +-
 14 files changed, 315 insertions(+), 431 deletions(-)
 delete mode 100644 Misc/snd_opus.patch
 create mode 100644 Quake/snd_opus.c
 create mode 100644 Quake/snd_opus.h

diff --git a/Linux/CodeBlocks/QuakeSpasm.cbp b/Linux/CodeBlocks/QuakeSpasm.cbp
index 511468db..5d9a3987 100644
--- a/Linux/CodeBlocks/QuakeSpasm.cbp
+++ b/Linux/CodeBlocks/QuakeSpasm.cbp
@@ -263,6 +263,10 @@
 			<Option compilerVar="CC" />
 		</Unit>
 		<Unit filename="../../Quake/snd_mp3.h" />
+		<Unit filename="../../Quake/snd_opus.c">
+			<Option compilerVar="CC" />
+		</Unit>
+		<Unit filename="../../Quake/snd_opus.h" />
 		<Unit filename="../../Quake/snd_sdl.c">
 			<Option compilerVar="CC" />
 		</Unit>
diff --git a/MacOSX/QuakeSpasm.xcodeproj/project.pbxproj b/MacOSX/QuakeSpasm.xcodeproj/project.pbxproj
index 89c09b17..fefd23f9 100644
--- a/MacOSX/QuakeSpasm.xcodeproj/project.pbxproj
+++ b/MacOSX/QuakeSpasm.xcodeproj/project.pbxproj
@@ -79,6 +79,11 @@
 		486577CD0D31A22A00E7920A /* snd_mix.c in Sources */ = {isa = PBXBuildFile; fileRef = 486577CA0D31A22A00E7920A /* snd_mix.c */; };
 		48728D2D0D3004A80004D61B /* net_dgrm.c in Sources */ = {isa = PBXBuildFile; fileRef = 48728D280D3004A70004D61B /* net_dgrm.c */; };
 		48728D2E0D3004A80004D61B /* net_loop.c in Sources */ = {isa = PBXBuildFile; fileRef = 48728D2A0D3004A80004D61B /* net_loop.c */; };
+		4885A84C179740A0000EC703 /* snd_opus.c in Sources */ = {isa = PBXBuildFile; fileRef = 4885A84A179740A0000EC703 /* snd_opus.c */; };
+		4885A84F179740CA000EC703 /* libopus.dylib in Frameworks */ = {isa = PBXBuildFile; fileRef = 4885A84D179740CA000EC703 /* libopus.dylib */; };
+		4885A850179740CA000EC703 /* libopusfile.dylib in Frameworks */ = {isa = PBXBuildFile; fileRef = 4885A84E179740CA000EC703 /* libopusfile.dylib */; };
+		4885A851179740D7000EC703 /* libopus.dylib in CopyFiles */ = {isa = PBXBuildFile; fileRef = 4885A84D179740CA000EC703 /* libopus.dylib */; };
+		4885A852179740D7000EC703 /* libopusfile.dylib in CopyFiles */ = {isa = PBXBuildFile; fileRef = 4885A84E179740CA000EC703 /* libopusfile.dylib */; };
 		48895DB90D4914A000849ABF /* pl_osx.m in Sources */ = {isa = PBXBuildFile; fileRef = 48895DB80D4914A000849ABF /* pl_osx.m */; };
 		489D8D2F0D3A630D00AA4471 /* ScreenInfo.m in Sources */ = {isa = PBXBuildFile; fileRef = 489D8D2E0D3A630D00AA4471 /* ScreenInfo.m */; };
 		48A7C1FC14AA34940011B754 /* strlcat.c in Sources */ = {isa = PBXBuildFile; fileRef = 48A7C1FA14AA34940011B754 /* strlcat.c */; };
@@ -129,6 +134,8 @@
 			dstPath = "";
 			dstSubfolderSpec = 6;
 			files = (
+				4885A851179740D7000EC703 /* libopus.dylib in CopyFiles */,
+				4885A852179740D7000EC703 /* libopusfile.dylib in CopyFiles */,
 				48E2EC8615FB516600B8D476 /* libmad.dylib in CopyFiles */,
 				48E2EC8715FB516600B8D476 /* libogg.dylib in CopyFiles */,
 				48E2EC8815FB516600B8D476 /* libvorbis.dylib in CopyFiles */,
@@ -268,6 +275,10 @@
 		48728D290D3004A80004D61B /* net_dgrm.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = net_dgrm.h; path = ../Quake/net_dgrm.h; sourceTree = SOURCE_ROOT; };
 		48728D2A0D3004A80004D61B /* net_loop.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; name = net_loop.c; path = ../Quake/net_loop.c; sourceTree = SOURCE_ROOT; };
 		48728D2B0D3004A80004D61B /* net_loop.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = net_loop.h; path = ../Quake/net_loop.h; sourceTree = SOURCE_ROOT; };
+		4885A84A179740A0000EC703 /* snd_opus.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; name = snd_opus.c; path = ../Quake/snd_opus.c; sourceTree = "<group>"; };
+		4885A84B179740A0000EC703 /* snd_opus.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = snd_opus.h; path = ../Quake/snd_opus.h; sourceTree = "<group>"; };
+		4885A84D179740CA000EC703 /* libopus.dylib */ = {isa = PBXFileReference; lastKnownFileType = "compiled.mach-o.dylib"; name = libopus.dylib; path = codecs/lib/libopus.dylib; sourceTree = "<group>"; };
+		4885A84E179740CA000EC703 /* libopusfile.dylib */ = {isa = PBXFileReference; lastKnownFileType = "compiled.mach-o.dylib"; name = libopusfile.dylib; path = codecs/lib/libopusfile.dylib; sourceTree = "<group>"; };
 		48895DB80D4914A000849ABF /* pl_osx.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = pl_osx.m; path = ../Quake/pl_osx.m; sourceTree = SOURCE_ROOT; };
 		488EF23614B83A370021DD41 /* IOKit.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = IOKit.framework; path = System/Library/Frameworks/IOKit.framework; sourceTree = SDKROOT; };
 		489D8D2D0D3A630D00AA4471 /* ScreenInfo.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ScreenInfo.h; sourceTree = "<group>"; };
@@ -299,6 +310,8 @@
 			isa = PBXFrameworksBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				4885A84F179740CA000EC703 /* libopus.dylib in Frameworks */,
+				4885A850179740CA000EC703 /* libopusfile.dylib in Frameworks */,
 				48E2EC7D15FB507A00B8D476 /* libmad.dylib in Frameworks */,
 				48E2EC7E15FB507A00B8D476 /* libogg.dylib in Frameworks */,
 				48E2EC7F15FB507A00B8D476 /* libvorbis.dylib in Frameworks */,
@@ -346,6 +359,8 @@
 		29B97314FDCFA39411CA2CEA /* QuakeSpasm */ = {
 			isa = PBXGroup;
 			children = (
+				4885A84D179740CA000EC703 /* libopus.dylib */,
+				4885A84E179740CA000EC703 /* libopusfile.dylib */,
 				48E2EC7915FB507A00B8D476 /* libmad.dylib */,
 				48E2EC7A15FB507A00B8D476 /* libogg.dylib */,
 				48E2EC7B15FB507A00B8D476 /* libvorbis.dylib */,
@@ -494,6 +509,7 @@
 				486577CA0D31A22A00E7920A /* snd_mix.c */,
 				483A78540D2EEAC300CB2E4C /* snd_sdl.c */,
 				4854B1B01340C646004C9F45 /* snd_mp3.c */,
+				4885A84A179740A0000EC703 /* snd_opus.c */,
 				4818B0B212D5BA1A006DD66E /* snd_vorbis.c */,
 				4818B0B412D5BA1A006DD66E /* snd_wave.c */,
 			);
@@ -582,6 +598,7 @@
 				4818B0AD12D5B9ED006DD66E /* snd_codec.h */,
 				4818B0AF12D5BA1A006DD66E /* snd_codeci.h */,
 				4818B0B112D5BA1A006DD66E /* snd_mp3.h */,
+				4885A84B179740A0000EC703 /* snd_opus.h */,
 				4818B0B312D5BA1A006DD66E /* snd_vorbis.h */,
 				4818B0B512D5BA1A006DD66E /* snd_wave.h */,
 			);
@@ -755,6 +772,7 @@
 				B021C20914A5FF7E003F18D6 /* cfgfile.c in Sources */,
 				48A7C1FC14AA34940011B754 /* strlcat.c in Sources */,
 				48A7C1FD14AA34940011B754 /* strlcpy.c in Sources */,
+				4885A84C179740A0000EC703 /* snd_opus.c in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -839,6 +857,7 @@
 					USE_CODEC_MP3,
 					USE_CODEC_VORBIS,
 					USE_CODEC_WAVE,
+					USE_CODEC_OPUS,
 					USE_QS_CONBACK,
 					SDL_FRAMEWORK,
 				);
@@ -928,6 +947,7 @@
 					USE_CODEC_MP3,
 					USE_CODEC_VORBIS,
 					USE_CODEC_WAVE,
+					USE_CODEC_OPUS,
 					USE_QS_CONBACK,
 					SDL_FRAMEWORK,
 				);
diff --git a/Misc/snd_opus.patch b/Misc/snd_opus.patch
deleted file mode 100644
index 71869678..00000000
--- a/Misc/snd_opus.patch
+++ /dev/null
@@ -1,423 +0,0 @@
-Opus file decoding support. it is not enabled by default: just edit
-the Makefile for USE_CODEC_OPUS.
-
-2013.02.28 O.Sezer <sezero@users.sourceforge.net>
-
-Index: bgmusic.c
-===================================================================
---- bgmusic.c	(revision 823)
-+++ bgmusic.c	(working copy)
-@@ -54,6 +54,7 @@
- static music_handler_t wanted_handlers[] =
- {
- 	{ CODECTYPE_VORBIS,BGM_STREAMER,-1,  "ogg", MUSIC_DIRNAME, NULL },
-+	{ CODECTYPE_OPUS, BGM_STREAMER, -1, "opus", MUSIC_DIRNAME, NULL },
- 	{ CODECTYPE_MP3,  BGM_STREAMER, -1,  "mp3", MUSIC_DIRNAME, NULL },
- 	{ CODECTYPE_FLAC, BGM_STREAMER, -1, "flac", MUSIC_DIRNAME, NULL },
- 	{ CODECTYPE_WAV,  BGM_STREAMER, -1,  "wav", MUSIC_DIRNAME, NULL },
-Index: snd_codec.c
-===================================================================
---- snd_codec.c	(revision 823)
-+++ snd_codec.c	(working copy)
-@@ -31,6 +31,7 @@
- #include "snd_wave.h"
- #include "snd_mp3.h"
- #include "snd_vorbis.h"
-+#include "snd_opus.h"
- 
- 
- static snd_codec_t *codecs;
-@@ -67,6 +68,9 @@
- #ifdef USE_CODEC_VORBIS
- 	S_CodecRegister(&vorbis_codec);
- #endif
-+#ifdef USE_CODEC_OPUS
-+	S_CodecRegister(&opus_codec);
-+#endif
- 	codec = codecs;
- 	while (codec)
- 	{
-Index: snd_codec.h
-===================================================================
---- snd_codec.h	(revision 823)
-+++ snd_codec.h	(working copy)
-@@ -88,6 +88,7 @@
- #define CODECTYPE_WAV		(1U << 3)
- #define CODECTYPE_MP3		(1U << 4)
- #define CODECTYPE_VORBIS	(1U << 5)
-+#define CODECTYPE_OPUS		(1U << 6)
- 
- #define CODECTYPE_WAVE		CODECTYPE_WAV
- #define CODECTYPE_MIDI		CODECTYPE_MID
-Index: Makefile
-===================================================================
---- Makefile	(revision 823)
-+++ Makefile	(working copy)
-@@ -12,6 +12,7 @@
- USE_CODEC_WAVE=1
- USE_CODEC_MP3=1
- USE_CODEC_VORBIS=1
-+USE_CODEC_OPUS=0
- 
- # which library to use for mp3 decoding: mad or mpg123
- MP3LIB=mad
-@@ -135,6 +136,14 @@
- ifeq ($(USE_CODEC_WAVE),1)
- CFLAGS+= -DUSE_CODEC_WAVE
- endif
-+ifeq ($(USE_CODEC_OPUS),1)
-+# opus and opusfile put their *.h under <includedir>/opus,
-+# but they include the headers without the opus directory
-+# prefix and rely on pkg-config. ewww...
-+CFLAGS+= -DUSE_CODEC_OPUS
-+CFLAGS+= $(shell pkg-config --cflags opusfile)
-+CODECLIBS+= $(shell pkg-config --libs   opusfile)
-+endif
- ifeq ($(USE_CODEC_VORBIS),1)
- CFLAGS+= -DUSE_CODEC_VORBIS $(cpp_vorbisdec)
- CODECLIBS+= $(lib_vorbisdec)
-@@ -171,6 +180,7 @@
- 	snd_codec.o \
- 	snd_wave.o \
- 	snd_vorbis.o \
-+	snd_opus.o \
- 	$(mp3_obj)
- COMOBJ_SND := snd_dma.o snd_mix.o snd_mem.o $(MUSIC_OBJS)
- SYSOBJ_SND := snd_sdl.o
-Index: Makefile.darwin
-===================================================================
---- Makefile.darwin	(revision 823)
-+++ Makefile.darwin	(working copy)
-@@ -13,6 +13,7 @@
- USE_CODEC_WAVE=1
- USE_CODEC_MP3=1
- USE_CODEC_VORBIS=1
-+USE_CODEC_OPUS=0
- 
- # which library to use for mp3 decoding: mad or mpg123
- MP3LIB=mad
-@@ -123,6 +124,12 @@
- ifeq ($(USE_CODEC_WAVE),1)
- CFLAGS+= -DUSE_CODEC_WAVE
- endif
-+ifeq ($(USE_CODEC_OPUS),1)
-+CFLAGS+= -DUSE_CODEC_OPUS
-+CODEC_INC = -I../MacOSX/codecs/include
-+CODEC_LINK= -L../MacOSX/codecs/lib
-+CODECLIBS+= -lopusfile -lopus -logg
-+endif
- ifeq ($(USE_CODEC_VORBIS),1)
- CFLAGS+= -DUSE_CODEC_VORBIS $(cpp_vorbisdec)
- CODEC_INC = -I../MacOSX/codecs/include
-@@ -168,6 +175,7 @@
- 	snd_codec.o \
- 	snd_wave.o \
- 	snd_vorbis.o \
-+	snd_opus.o \
- 	$(mp3_obj)
- COMOBJ_SND := snd_dma.o snd_mix.o snd_mem.o $(MUSIC_OBJS)
- SYSOBJ_SND := snd_sdl.o
-Index: Makefile.w32
-===================================================================
---- Makefile.w32	(revision 823)
-+++ Makefile.w32	(working copy)
-@@ -13,6 +13,7 @@
- USE_CODEC_WAVE=1
- USE_CODEC_MP3=1
- USE_CODEC_VORBIS=1
-+USE_CODEC_OPUS=0
- 
- # which library to use for mp3 decoding: mad or mpg123
- MP3LIB=mad
-@@ -131,6 +132,12 @@
- CODEC_INC = -I../Windows/codecs/include
- CODEC_LINK= -L../Windows/codecs/x86
- endif
-+ifeq ($(USE_CODEC_OPUS),1)
-+CFLAGS+= -DUSE_CODEC_OPUS
-+CODEC_INC = -I../Windows/codecs/include
-+CODEC_LINK= -L../Windows/codecs/x86
-+CODECLIBS+= -lopusfile -lopus -logg
-+endif
- ifeq ($(USE_CODEC_VORBIS),1)
- CFLAGS+= -DUSE_CODEC_VORBIS $(cpp_vorbisdec)
- CODEC_INC = -I../Windows/codecs/include
-@@ -174,6 +181,7 @@
- 	snd_codec.o \
- 	snd_wave.o \
- 	snd_vorbis.o \
-+	snd_opus.o \
- 	$(mp3_obj)
- COMOBJ_SND := snd_dma.o snd_mix.o snd_mem.o $(MUSIC_OBJS)
- SYSOBJ_SND := snd_sdl.o
-Index: Makefile.w64
-===================================================================
---- Makefile.w64	(revision 823)
-+++ Makefile.w64	(working copy)
-@@ -13,6 +13,7 @@
- USE_CODEC_WAVE=1
- USE_CODEC_MP3=1
- USE_CODEC_VORBIS=1
-+USE_CODEC_OPUS=0
- 
- # which library to use for mp3 decoding: mad or mpg123
- MP3LIB=mad
-@@ -131,6 +132,12 @@
- CODEC_INC = -I../Windows/codecs/include
- CODEC_LINK= -L../Windows/codecs/x64
- endif
-+ifeq ($(USE_CODEC_OPUS),1)
-+CFLAGS+= -DUSE_CODEC_OPUS
-+CODEC_INC = -I../Windows/codecs/include
-+CODEC_LINK= -L../Windows/codecs/x64
-+CODECLIBS+= -lopusfile -lopus -logg
-+endif
- ifeq ($(USE_CODEC_VORBIS),1)
- CFLAGS+= -DUSE_CODEC_VORBIS $(cpp_vorbisdec)
- CODEC_INC = -I../Windows/codecs/include
-@@ -174,6 +181,7 @@
- 	snd_codec.o \
- 	snd_wave.o \
- 	snd_vorbis.o \
-+	snd_opus.o \
- 	$(mp3_obj)
- COMOBJ_SND := snd_dma.o snd_mix.o snd_mem.o $(MUSIC_OBJS)
- SYSOBJ_SND := snd_sdl.o
-Index: snd_opus.c
-===================================================================
---- snd_opus.c	(revision 0)
-+++ snd_opus.c	(revision 0)
-@@ -0,0 +1,215 @@
-+/*
-+ * Ogg/Opus streaming music support, loosely based on several open source
-+ * Quake engine based projects with many modifications.
-+ *
-+ * Copyright (C) 2012-2013 O.Sezer <sezero@users.sourceforge.net>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License as published by
-+ * the Free Software Foundation; either version 2 of the License, or (at
-+ * your option) any later version.
-+ *
-+ * 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, write to the Free Software Foundation, Inc.,
-+ * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
-+ *
-+ */
-+
-+#include "quakedef.h"
-+
-+#if defined(USE_CODEC_OPUS)
-+#include "snd_codec.h"
-+#include "snd_codeci.h"
-+#include "snd_opus.h"
-+
-+#include <errno.h>
-+#include <opusfile.h>
-+
-+
-+/* CALLBACK FUNCTIONS: */
-+
-+static int opc_fclose (void *f)
-+{
-+	return 0;		/* we fclose() elsewhere. */
-+}
-+
-+static int opc_fread (void *f, unsigned char *buf, int size)
-+{
-+	int ret;
-+
-+	if (size < 0)
-+	{
-+		errno = EINVAL;
-+		return -1;
-+	}
-+
-+	ret = (int) FS_fread(buf, 1, (size_t)size, (fshandle_t *)f);
-+	if (ret == 0 && errno != 0)
-+		ret = -1;
-+	return ret;
-+}
-+
-+static int opc_fseek (void *f, opus_int64 off, int whence)
-+{
-+	if (f == NULL) return (-1);
-+	return FS_fseek((fshandle_t *)f, (long) off, whence);
-+}
-+
-+static opus_int64 opc_ftell (void *f)
-+{
-+	return (opus_int64) FS_ftell((fshandle_t *)f);
-+}
-+
-+static const OpusFileCallbacks opc_qfs =
-+{
-+	(int (*)(void *, unsigned char *, int)) opc_fread,
-+	(int (*)(void *, opus_int64, int))	opc_fseek,
-+	(opus_int64 (*)(void *))		opc_ftell,
-+	(int (*)(void *))			opc_fclose
-+};
-+
-+static qboolean S_OPUS_CodecInitialize (void)
-+{
-+	return true;
-+}
-+
-+static void S_OPUS_CodecShutdown (void)
-+{
-+}
-+
-+static snd_stream_t *S_OPUS_CodecOpenStream (const char *filename)
-+{
-+	snd_stream_t *stream;
-+	OggOpusFile *opFile;
-+	const OpusHead *op_info;
-+	long numstreams;
-+	int res;
-+
-+	stream = S_CodecUtilOpen(filename, &opus_codec);
-+	if (!stream)
-+		return NULL;
-+
-+	opFile = op_open_callbacks(&stream->fh, &opc_qfs, NULL, 0, &res);
-+	if (!opFile)
-+	{
-+		Con_Printf("%s is not a valid Opus file (error %i).\n",
-+				filename, res);
-+		goto _fail;
-+	}
-+
-+	stream->priv = opFile;
-+
-+	if (!op_seekable(opFile))
-+	{
-+		Con_Printf("Opus stream %s not seekable.\n", filename);
-+		goto _fail;
-+	}
-+
-+	op_info = op_head(opFile, -1);
-+	if (!op_info)
-+	{
-+		Con_Printf("Unable to get stream information for %s.\n", filename);
-+		goto _fail;
-+	}
-+
-+	/* FIXME: handle section changes */
-+	numstreams = op_info->stream_count;
-+	if (numstreams != 1)
-+	{
-+		Con_Printf("More than one (%ld) stream in %s\n",
-+					(long)op_info->stream_count, filename);
-+		goto _fail;
-+	}
-+
-+	if (op_info->channel_count != 1 && op_info->channel_count != 2)
-+	{
-+		Con_Printf("Unsupported number of channels %d in %s\n",
-+					op_info->channel_count, filename);
-+		goto _fail;
-+	}
-+
-+	/* All Opus audio is coded at 48 kHz, and should also be decoded
-+	 * at 48 kHz for playback: info->input_sample_rate only tells us
-+	 * the sampling rate of the original input before opus encoding.
-+	 * S_RawSamples() shall already downsample this, as necessary.  */
-+	stream->info.rate = 48000;
-+	stream->info.channels = op_info->channel_count;
-+	/* op_read() yields 16-bit output using native endian ordering: */
-+	stream->info.width = 2;
-+
-+	return stream;
-+_fail:
-+	if (opFile)
-+		op_free(opFile);
-+	S_CodecUtilClose(&stream);
-+	return NULL;
-+}
-+
-+static int S_OPUS_CodecReadStream (snd_stream_t *stream, int bytes, void *buffer)
-+{
-+	int	section;	/* FIXME: handle section changes */
-+	int	cnt, res, rem;
-+	opus_int16 *	ptr;
-+
-+	rem = bytes / stream->info.width;
-+	if (rem / stream->info.channels <= 0)
-+		return 0;
-+
-+	cnt = 0;
-+	ptr = (opus_int16 *) buffer;
-+	while (1)
-+	{
-+	/* op_read() yields 16-bit output using native endian ordering. returns
-+	 * the number of samples read per channel on success, or a negative value
-+	 * on failure. */
-+		res = op_read((OggOpusFile *)stream->priv, ptr, rem, &section);
-+		if (res <= 0)
-+			break;
-+		cnt += res;
-+		res *= stream->info.channels;
-+		rem -= res;
-+		if (rem <= 0)
-+			break;
-+		ptr += res;
-+	}
-+
-+	if (res < 0)
-+		return res;
-+
-+	cnt *= (stream->info.channels * stream->info.width);
-+	return cnt;
-+}
-+
-+static void S_OPUS_CodecCloseStream (snd_stream_t *stream)
-+{
-+	op_free((OggOpusFile *)stream->priv);
-+	S_CodecUtilClose(&stream);
-+}
-+
-+static int S_OPUS_CodecRewindStream (snd_stream_t *stream)
-+{
-+	return op_pcm_seek ((OggOpusFile *)stream->priv, 0);
-+}
-+
-+snd_codec_t opus_codec =
-+{
-+	CODECTYPE_OPUS,
-+	true,	/* always available. */
-+	"opus",
-+	S_OPUS_CodecInitialize,
-+	S_OPUS_CodecShutdown,
-+	S_OPUS_CodecOpenStream,
-+	S_OPUS_CodecReadStream,
-+	S_OPUS_CodecRewindStream,
-+	S_OPUS_CodecCloseStream,
-+	NULL
-+};
-+
-+#endif	/* USE_CODEC_OPUS */
-+
-Index: snd_opus.h
-===================================================================
---- snd_opus.h	(revision 0)
-+++ snd_opus.h	(revision 0)
-@@ -0,0 +1,13 @@
-+/* Ogg/Opus streaming music support. */
-+
-+#if !defined(_SND_OPUS_H_)
-+#define _SND_OPUS_H_ 1
-+
-+#if defined(USE_CODEC_OPUS)
-+
-+extern snd_codec_t opus_codec;
-+
-+#endif	/* USE_CODEC_OPUS */
-+
-+#endif	/* ! _SND_OPUS_H_ */
-+
diff --git a/Quake/Makefile b/Quake/Makefile
index 6ad9a724..30aa36ec 100644
--- a/Quake/Makefile
+++ b/Quake/Makefile
@@ -12,6 +12,7 @@ USE_QS_CONBACK=1
 USE_CODEC_WAVE=1
 USE_CODEC_MP3=1
 USE_CODEC_VORBIS=1
+USE_CODEC_OPUS=0
 
 # which library to use for mp3 decoding: mad or mpg123
 MP3LIB=mad
@@ -135,6 +136,14 @@ CODECLIBS  :=
 ifeq ($(USE_CODEC_WAVE),1)
 CFLAGS+= -DUSE_CODEC_WAVE
 endif
+ifeq ($(USE_CODEC_OPUS),1)
+# opus and opusfile put their *.h under <includedir>/opus,
+# but they include the headers without the opus directory
+# prefix and rely on pkg-config. ewww...
+CFLAGS+= -DUSE_CODEC_OPUS
+CFLAGS+= $(shell pkg-config --cflags opusfile)
+CODECLIBS+= $(shell pkg-config --libs   opusfile)
+endif
 ifeq ($(USE_CODEC_VORBIS),1)
 CFLAGS+= -DUSE_CODEC_VORBIS $(cpp_vorbisdec)
 CODECLIBS+= $(lib_vorbisdec)
@@ -171,6 +180,7 @@ MUSIC_OBJS:= bgmusic.o \
 	snd_codec.o \
 	snd_wave.o \
 	snd_vorbis.o \
+	snd_opus.o \
 	$(mp3_obj)
 COMOBJ_SND := snd_dma.o snd_mix.o snd_mem.o $(MUSIC_OBJS)
 SYSOBJ_SND := snd_sdl.o
diff --git a/Quake/Makefile.darwin b/Quake/Makefile.darwin
index fbd77814..19686b1f 100644
--- a/Quake/Makefile.darwin
+++ b/Quake/Makefile.darwin
@@ -13,6 +13,7 @@ USE_QS_CONBACK=1
 USE_CODEC_WAVE=1
 USE_CODEC_MP3=1
 USE_CODEC_VORBIS=1
+USE_CODEC_OPUS=1
 
 # which library to use for mp3 decoding: mad or mpg123
 MP3LIB=mad
@@ -123,6 +124,12 @@ CODECLIBS  :=
 ifeq ($(USE_CODEC_WAVE),1)
 CFLAGS+= -DUSE_CODEC_WAVE
 endif
+ifeq ($(USE_CODEC_OPUS),1)
+CFLAGS+= -DUSE_CODEC_OPUS
+CODEC_INC = -I../MacOSX/codecs/include
+CODEC_LINK= -L../MacOSX/codecs/lib
+CODECLIBS+= -lopusfile -lopus -logg
+endif
 ifeq ($(USE_CODEC_VORBIS),1)
 CFLAGS+= -DUSE_CODEC_VORBIS $(cpp_vorbisdec)
 CODEC_INC = -I../MacOSX/codecs/include
@@ -168,6 +175,7 @@ MUSIC_OBJS:= bgmusic.o \
 	snd_codec.o \
 	snd_wave.o \
 	snd_vorbis.o \
+	snd_opus.o \
 	$(mp3_obj)
 COMOBJ_SND := snd_dma.o snd_mix.o snd_mem.o $(MUSIC_OBJS)
 SYSOBJ_SND := snd_sdl.o
diff --git a/Quake/Makefile.w32 b/Quake/Makefile.w32
index 0d836e93..27b3e173 100644
--- a/Quake/Makefile.w32
+++ b/Quake/Makefile.w32
@@ -13,6 +13,7 @@ USE_QS_CONBACK=1
 USE_CODEC_WAVE=1
 USE_CODEC_MP3=1
 USE_CODEC_VORBIS=1
+USE_CODEC_OPUS=0
 
 # which library to use for mp3 decoding: mad or mpg123
 MP3LIB=mad
@@ -131,6 +132,12 @@ CFLAGS+= -DUSE_CODEC_WAVE
 CODEC_INC = -I../Windows/codecs/include
 CODEC_LINK= -L../Windows/codecs/x86
 endif
+ifeq ($(USE_CODEC_OPUS),1)
+CFLAGS+= -DUSE_CODEC_OPUS
+CODEC_INC = -I../Windows/codecs/include
+CODEC_LINK= -L../Windows/codecs/x86
+CODECLIBS+= -lopusfile -lopus -logg
+endif
 ifeq ($(USE_CODEC_VORBIS),1)
 CFLAGS+= -DUSE_CODEC_VORBIS $(cpp_vorbisdec)
 CODEC_INC = -I../Windows/codecs/include
@@ -174,6 +181,7 @@ MUSIC_OBJS:= bgmusic.o \
 	snd_codec.o \
 	snd_wave.o \
 	snd_vorbis.o \
+	snd_opus.o \
 	$(mp3_obj)
 COMOBJ_SND := snd_dma.o snd_mix.o snd_mem.o $(MUSIC_OBJS)
 SYSOBJ_SND := snd_sdl.o
diff --git a/Quake/Makefile.w64 b/Quake/Makefile.w64
index b67e06fa..69eb3794 100644
--- a/Quake/Makefile.w64
+++ b/Quake/Makefile.w64
@@ -13,6 +13,7 @@ USE_QS_CONBACK=1
 USE_CODEC_WAVE=1
 USE_CODEC_MP3=1
 USE_CODEC_VORBIS=1
+USE_CODEC_OPUS=0
 
 # which library to use for mp3 decoding: mad or mpg123
 MP3LIB=mad
@@ -131,6 +132,12 @@ CFLAGS+= -DUSE_CODEC_WAVE
 CODEC_INC = -I../Windows/codecs/include
 CODEC_LINK= -L../Windows/codecs/x64
 endif
+ifeq ($(USE_CODEC_OPUS),1)
+CFLAGS+= -DUSE_CODEC_OPUS
+CODEC_INC = -I../Windows/codecs/include
+CODEC_LINK= -L../Windows/codecs/x64
+CODECLIBS+= -lopusfile -lopus -logg
+endif
 ifeq ($(USE_CODEC_VORBIS),1)
 CFLAGS+= -DUSE_CODEC_VORBIS $(cpp_vorbisdec)
 CODEC_INC = -I../Windows/codecs/include
@@ -174,6 +181,7 @@ MUSIC_OBJS:= bgmusic.o \
 	snd_codec.o \
 	snd_wave.o \
 	snd_vorbis.o \
+	snd_opus.o \
 	$(mp3_obj)
 COMOBJ_SND := snd_dma.o snd_mix.o snd_mem.o $(MUSIC_OBJS)
 SYSOBJ_SND := snd_sdl.o
diff --git a/Quake/bgmusic.c b/Quake/bgmusic.c
index bc28cf96..7763afb8 100644
--- a/Quake/bgmusic.c
+++ b/Quake/bgmusic.c
@@ -54,6 +54,7 @@ typedef struct music_handler_s
 static music_handler_t wanted_handlers[] =
 {
 	{ CODECTYPE_VORBIS,BGM_STREAMER,-1,  "ogg", MUSIC_DIRNAME, NULL },
+	{ CODECTYPE_OPUS, BGM_STREAMER, -1, "opus", MUSIC_DIRNAME, NULL },
 	{ CODECTYPE_MP3,  BGM_STREAMER, -1,  "mp3", MUSIC_DIRNAME, NULL },
 	{ CODECTYPE_FLAC, BGM_STREAMER, -1, "flac", MUSIC_DIRNAME, NULL },
 	{ CODECTYPE_WAV,  BGM_STREAMER, -1,  "wav", MUSIC_DIRNAME, NULL },
diff --git a/Quake/snd_codec.c b/Quake/snd_codec.c
index 00beca11..9132a185 100644
--- a/Quake/snd_codec.c
+++ b/Quake/snd_codec.c
@@ -31,6 +31,7 @@
 #include "snd_wave.h"
 #include "snd_mp3.h"
 #include "snd_vorbis.h"
+#include "snd_opus.h"
 
 
 static snd_codec_t *codecs;
@@ -66,6 +67,9 @@ void S_CodecInit (void)
 #endif
 #ifdef USE_CODEC_VORBIS
 	S_CodecRegister(&vorbis_codec);
+#endif
+#ifdef USE_CODEC_OPUS
+	S_CodecRegister(&opus_codec);
 #endif
 	codec = codecs;
 	while (codec)
diff --git a/Quake/snd_codec.h b/Quake/snd_codec.h
index 1cab64a1..f7580599 100644
--- a/Quake/snd_codec.h
+++ b/Quake/snd_codec.h
@@ -88,6 +88,7 @@ void S_CodecUtilClose(snd_stream_t **stream);
 #define CODECTYPE_WAV		(1U << 3)
 #define CODECTYPE_MP3		(1U << 4)
 #define CODECTYPE_VORBIS	(1U << 5)
+#define CODECTYPE_OPUS		(1U << 6)
 
 #define CODECTYPE_WAVE		CODECTYPE_WAV
 #define CODECTYPE_MIDI		CODECTYPE_MID
diff --git a/Quake/snd_opus.c b/Quake/snd_opus.c
new file mode 100644
index 00000000..c901ae2c
--- /dev/null
+++ b/Quake/snd_opus.c
@@ -0,0 +1,215 @@
+/*
+ * Ogg/Opus streaming music support, loosely based on several open source
+ * Quake engine based projects with many modifications.
+ *
+ * Copyright (C) 2012-2013 O.Sezer <sezero@users.sourceforge.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ *
+ * 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, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+#include "quakedef.h"
+
+#if defined(USE_CODEC_OPUS)
+#include "snd_codec.h"
+#include "snd_codeci.h"
+#include "snd_opus.h"
+
+#include <errno.h>
+#include <opusfile.h>
+
+
+/* CALLBACK FUNCTIONS: */
+
+static int opc_fclose (void *f)
+{
+	return 0;		/* we fclose() elsewhere. */
+}
+
+static int opc_fread (void *f, unsigned char *buf, int size)
+{
+	int ret;
+
+	if (size < 0)
+	{
+		errno = EINVAL;
+		return -1;
+	}
+
+	ret = (int) FS_fread(buf, 1, (size_t)size, (fshandle_t *)f);
+	if (ret == 0 && errno != 0)
+		ret = -1;
+	return ret;
+}
+
+static int opc_fseek (void *f, opus_int64 off, int whence)
+{
+	if (f == NULL) return (-1);
+	return FS_fseek((fshandle_t *)f, (long) off, whence);
+}
+
+static opus_int64 opc_ftell (void *f)
+{
+	return (opus_int64) FS_ftell((fshandle_t *)f);
+}
+
+static const OpusFileCallbacks opc_qfs =
+{
+	(int (*)(void *, unsigned char *, int)) opc_fread,
+	(int (*)(void *, opus_int64, int))	opc_fseek,
+	(opus_int64 (*)(void *))		opc_ftell,
+	(int (*)(void *))			opc_fclose
+};
+
+static qboolean S_OPUS_CodecInitialize (void)
+{
+	return true;
+}
+
+static void S_OPUS_CodecShutdown (void)
+{
+}
+
+static snd_stream_t *S_OPUS_CodecOpenStream (const char *filename)
+{
+	snd_stream_t *stream;
+	OggOpusFile *opFile;
+	const OpusHead *op_info;
+	long numstreams;
+	int res;
+
+	stream = S_CodecUtilOpen(filename, &opus_codec);
+	if (!stream)
+		return NULL;
+
+	opFile = op_open_callbacks(&stream->fh, &opc_qfs, NULL, 0, &res);
+	if (!opFile)
+	{
+		Con_Printf("%s is not a valid Opus file (error %i).\n",
+				filename, res);
+		goto _fail;
+	}
+
+	stream->priv = opFile;
+
+	if (!op_seekable(opFile))
+	{
+		Con_Printf("Opus stream %s not seekable.\n", filename);
+		goto _fail;
+	}
+
+	op_info = op_head(opFile, -1);
+	if (!op_info)
+	{
+		Con_Printf("Unable to get stream information for %s.\n", filename);
+		goto _fail;
+	}
+
+	/* FIXME: handle section changes */
+	numstreams = op_info->stream_count;
+	if (numstreams != 1)
+	{
+		Con_Printf("More than one (%ld) stream in %s\n",
+					(long)op_info->stream_count, filename);
+		goto _fail;
+	}
+
+	if (op_info->channel_count != 1 && op_info->channel_count != 2)
+	{
+		Con_Printf("Unsupported number of channels %d in %s\n",
+					op_info->channel_count, filename);
+		goto _fail;
+	}
+
+	/* All Opus audio is coded at 48 kHz, and should also be decoded
+	 * at 48 kHz for playback: info->input_sample_rate only tells us
+	 * the sampling rate of the original input before opus encoding.
+	 * S_RawSamples() shall already downsample this, as necessary.  */
+	stream->info.rate = 48000;
+	stream->info.channels = op_info->channel_count;
+	/* op_read() yields 16-bit output using native endian ordering: */
+	stream->info.width = 2;
+
+	return stream;
+_fail:
+	if (opFile)
+		op_free(opFile);
+	S_CodecUtilClose(&stream);
+	return NULL;
+}
+
+static int S_OPUS_CodecReadStream (snd_stream_t *stream, int bytes, void *buffer)
+{
+	int	section;	/* FIXME: handle section changes */
+	int	cnt, res, rem;
+	opus_int16 *	ptr;
+
+	rem = bytes / stream->info.width;
+	if (rem / stream->info.channels <= 0)
+		return 0;
+
+	cnt = 0;
+	ptr = (opus_int16 *) buffer;
+	while (1)
+	{
+	/* op_read() yields 16-bit output using native endian ordering. returns
+	 * the number of samples read per channel on success, or a negative value
+	 * on failure. */
+		res = op_read((OggOpusFile *)stream->priv, ptr, rem, &section);
+		if (res <= 0)
+			break;
+		cnt += res;
+		res *= stream->info.channels;
+		rem -= res;
+		if (rem <= 0)
+			break;
+		ptr += res;
+	}
+
+	if (res < 0)
+		return res;
+
+	cnt *= (stream->info.channels * stream->info.width);
+	return cnt;
+}
+
+static void S_OPUS_CodecCloseStream (snd_stream_t *stream)
+{
+	op_free((OggOpusFile *)stream->priv);
+	S_CodecUtilClose(&stream);
+}
+
+static int S_OPUS_CodecRewindStream (snd_stream_t *stream)
+{
+	return op_pcm_seek ((OggOpusFile *)stream->priv, 0);
+}
+
+snd_codec_t opus_codec =
+{
+	CODECTYPE_OPUS,
+	true,	/* always available. */
+	"opus",
+	S_OPUS_CodecInitialize,
+	S_OPUS_CodecShutdown,
+	S_OPUS_CodecOpenStream,
+	S_OPUS_CodecReadStream,
+	S_OPUS_CodecRewindStream,
+	S_OPUS_CodecCloseStream,
+	NULL
+};
+
+#endif	/* USE_CODEC_OPUS */
+
diff --git a/Quake/snd_opus.h b/Quake/snd_opus.h
new file mode 100644
index 00000000..4c2a25fe
--- /dev/null
+++ b/Quake/snd_opus.h
@@ -0,0 +1,13 @@
+/* Ogg/Opus streaming music support. */
+
+#if !defined(_SND_OPUS_H_)
+#define _SND_OPUS_H_ 1
+
+#if defined(USE_CODEC_OPUS)
+
+extern snd_codec_t opus_codec;
+
+#endif	/* USE_CODEC_OPUS */
+
+#endif	/* ! _SND_OPUS_H_ */
+
diff --git a/Windows/CodeBlocks/QuakeSpasm.cbp b/Windows/CodeBlocks/QuakeSpasm.cbp
index 42fb7b49..7cb4c6ba 100644
--- a/Windows/CodeBlocks/QuakeSpasm.cbp
+++ b/Windows/CodeBlocks/QuakeSpasm.cbp
@@ -36,6 +36,7 @@
 			<Add option="-DUSE_CODEC_MP3" />
 			<Add option="-DUSE_CODEC_VORBIS" />
 			<Add option="-DUSE_CODEC_WAVE" />
+			<Add option="-DUSE_CODEC_OPUS" />
 			<Add directory="..\codecs\include" />
 			<Add directory="C:\SDL\include" />
 		</Compiler>
@@ -44,6 +45,8 @@
 			<Add library="SDL" />
 			<Add library="vorbisfile" />
 			<Add library="vorbis" />
+			<Add library="opusfile" />
+			<Add library="opus" />
 			<Add library="ogg" />
 			<Add library="mad" />
 			<Add library="winmm" />
@@ -272,6 +275,10 @@
 			<Option compilerVar="CC" />
 		</Unit>
 		<Unit filename="..\..\Quake\snd_mp3.h" />
+		<Unit filename="..\..\Quake\snd_opus.c">
+			<Option compilerVar="CC" />
+		</Unit>
+		<Unit filename="..\..\Quake\snd_opus.h" />
 		<Unit filename="..\..\Quake\snd_sdl.c">
 			<Option compilerVar="CC" />
 		</Unit>
diff --git a/Windows/VisualStudio/quakespasm.vcproj b/Windows/VisualStudio/quakespasm.vcproj
index 80daf26e..e456937c 100644
--- a/Windows/VisualStudio/quakespasm.vcproj
+++ b/Windows/VisualStudio/quakespasm.vcproj
@@ -41,7 +41,7 @@
 				Name="VCCLCompilerTool"
 				Optimization="0"
 				AdditionalIncludeDirectories="C:\SDL\include;..\codecs\include;..\..\Quake;.;.."
-				PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_WARNINGS;USE_QS_CONBACK;USE_CODEC_MP3;USE_CODEC_VORBIS;USE_CODEC_WAVE"
+				PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_WARNINGS;USE_QS_CONBACK;USE_CODEC_MP3;USE_CODEC_VORBIS;USE_CODEC_WAVE;USE_CODEC_OPUS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="3"
@@ -61,7 +61,7 @@
 			/>
 			<Tool
 				Name="VCLinkerTool"
-				AdditionalDependencies="libvorbisfile.lib libvorbis.lib libogg.lib libmad.lib WSOCK32.lib OPENGL32.lib winmm.lib SDL.lib SDLmain.lib"
+				AdditionalDependencies="libvorbisfile.lib libvorbis.lib libopusfile.lib libopus.lib libogg.lib libmad.lib wsock32.lib opengl32.lib winmm.lib SDL.lib SDLmain.lib"
 				LinkIncremental="2"
 				AdditionalLibraryDirectories="..\codecs\x86;C:\SDL\lib"
 				IgnoreDefaultLibraryNames="msvcrt.lib"
@@ -116,7 +116,7 @@
 				Optimization="2"
 				EnableIntrinsicFunctions="true"
 				AdditionalIncludeDirectories="C:\SDL\include;..\codecs\include;..\..\Quake;.;.."
-				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_WARNINGS;USE_QS_CONBACK;USE_CODEC_MP3;USE_CODEC_VORBIS;USE_CODEC_WAVE"
+				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_WARNINGS;USE_QS_CONBACK;USE_CODEC_MP3;USE_CODEC_VORBIS;USE_CODEC_WAVE;USE_CODEC_OPUS"
 				RuntimeLibrary="2"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
@@ -135,7 +135,7 @@
 			/>
 			<Tool
 				Name="VCLinkerTool"
-				AdditionalDependencies="libvorbisfile.lib libvorbis.lib libogg.lib libmad.lib WSOCK32.lib OPENGL32.lib winmm.lib SDL.lib SDLmain.lib"
+				AdditionalDependencies="libvorbisfile.lib libvorbis.lib libopusfile.lib libopus.lib libogg.lib libmad.lib wsock32.lib opengl32.lib winmm.lib SDL.lib SDLmain.lib"
 				LinkIncremental="1"
 				AdditionalLibraryDirectories="..\codecs\x86;C:\SDL\lib"
 				GenerateDebugInformation="true"
@@ -190,7 +190,7 @@
 				Name="VCCLCompilerTool"
 				Optimization="0"
 				AdditionalIncludeDirectories="C:\SDL\include;..\codecs\include;..\..\Quake;.;.."
-				PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_USE_WINSOCK2;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_WARNINGS;USE_QS_CONBACK;USE_CODEC_MP3;USE_CODEC_VORBIS;USE_CODEC_WAVE"
+				PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_USE_WINSOCK2;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_WARNINGS;USE_QS_CONBACK;USE_CODEC_MP3;USE_CODEC_VORBIS;USE_CODEC_WAVE;USE_CODEC_OPUS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="3"
@@ -210,7 +210,7 @@
 			/>
 			<Tool
 				Name="VCLinkerTool"
-				AdditionalDependencies="libvorbisfile.lib libvorbis.lib libogg.lib libmad.lib WS2_32.lib OPENGL32.lib winmm.lib SDL.lib SDLmain.lib"
+				AdditionalDependencies="libvorbisfile.lib libvorbis.lib libopusfile.lib libopus.lib libogg.lib libmad.lib ws2_32.lib opengl32.lib winmm.lib SDL.lib SDLmain.lib"
 				LinkIncremental="2"
 				AdditionalLibraryDirectories="..\codecs\x64;C:\SDL\lib64"
 				IgnoreDefaultLibraryNames="msvcrt.lib"
@@ -266,7 +266,7 @@
 				Optimization="2"
 				EnableIntrinsicFunctions="true"
 				AdditionalIncludeDirectories="C:\SDL\include;..\codecs\include;..\..\Quake;.;.."
-				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USE_WINSOCK2;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_WARNINGS;USE_QS_CONBACK;USE_CODEC_MP3;USE_CODEC_VORBIS;USE_CODEC_WAVE"
+				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USE_WINSOCK2;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_WARNINGS;USE_QS_CONBACK;USE_CODEC_MP3;USE_CODEC_VORBIS;USE_CODEC_WAVE;USE_CODEC_OPUS"
 				RuntimeLibrary="2"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
@@ -285,7 +285,7 @@
 			/>
 			<Tool
 				Name="VCLinkerTool"
-				AdditionalDependencies="libvorbisfile.lib libvorbis.lib libogg.lib libmad.lib WS2_32.lib OPENGL32.lib winmm.lib SDL.lib SDLmain.lib"
+				AdditionalDependencies="libvorbisfile.lib libvorbis.lib libopusfile.lib libopus.lib libogg.lib libmad.lib ws2_32.lib opengl32.lib winmm.lib SDL.lib SDLmain.lib"
 				LinkIncremental="1"
 				AdditionalLibraryDirectories="..\codecs\x64;C:\SDL\lib64"
 				GenerateDebugInformation="true"
@@ -557,6 +557,10 @@
 				RelativePath="..\..\Quake\snd_mp3.c"
 				>
 			</File>
+			<File
+				RelativePath="..\..\Quake\snd_opus.c"
+				>
+			</File>
 			<File
 				RelativePath="..\..\Quake\snd_sdl.c"
 				>
@@ -819,6 +823,10 @@
 				RelativePath="..\..\Quake\snd_mp3.h"
 				>
 			</File>
+			<File
+				RelativePath="..\..\Quake\snd_opus.h"
+				>
+			</File>
 			<File
 				RelativePath="..\..\Quake\snd_vorbis.h"
 				>