update libopus to 1.5.2

- Update embedded libopus from 1.3.1 to 1.5.2
- Exclude AVX/AVX2 files (require per-file CFLAGS not supported by CGO)
- Fix TestCodecFloat32 to properly slice encoded data before decoding
- Add new extensions.c wrapper

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: MagicalTux

config.go

@@ -6,7 +6,7 @@ package opus
 #cgo windows LDFLAGS: -lssp
 
 // add includes needed for opus, including building the actual opus lib
-#cgo CFLAGS: -Iopus-1.3.1 -Iopus-1.3.1/include -Iopus-1.3.1/celt -Iopus-1.3.1/silk -Iopus-1.3.1/silk/float
+#cgo CFLAGS: -Iopus-1.5.2 -Iopus-1.5.2/include -Iopus-1.5.2/celt -Iopus-1.5.2/silk -Iopus-1.5.2/silk/float
 #cgo LDFLAGS: -lm
 */
 import "C"

config.h

@@ -10,6 +10,12 @@
 /* Custom modes */
 /* #undef CUSTOM_MODES */
 
+/* Disable DNN debug float */
+/* #undef DISABLE_DEBUG_FLOAT */
+
+/* Disable dot product instructions */
+/* #undef DISABLE_DOT_PROD */
+
 /* Do not build the float API */
 /* #undef DISABLE_FLOAT_API */
 
@@ -19,9 +25,24 @@
 /* Assertions */
 /* #undef ENABLE_ASSERTIONS */
 
+/* Deep PLC */
+/* #undef ENABLE_DEEP_PLC */
+
+/* DRED */
+/* #undef ENABLE_DRED */
+
 /* Hardening */
 #define ENABLE_HARDENING 1
 
+/* LOSSGEN */
+/* #undef ENABLE_LOSSGEN */
+
+/* Enable Opus Speech Coding Enhancement */
+/* #undef ENABLE_OSCE */
+
+/* Enable dumping of OSCE training data */
+/* #undef ENABLE_OSCE_TRAINING_DATA */
+
 /* Debug fixed-point implementation */
 /* #undef FIXED_DEBUG */
 
@@ -52,12 +73,12 @@
 /* Define to 1 if you have the `lrintf' function. */
 #define HAVE_LRINTF 1
 
-/* Define to 1 if you have the <memory.h> header file. */
-#define HAVE_MEMORY_H 1
-
 /* Define to 1 if you have the <stdint.h> header file. */
 #define HAVE_STDINT_H 1
 
+/* Define to 1 if you have the <stdio.h> header file. */
+#define HAVE_STDIO_H 1
+
 /* Define to 1 if you have the <stdlib.h> header file. */
 #define HAVE_STDLIB_H 1
 
@@ -97,6 +118,9 @@
 /* Use ARM NEON inline asm optimizations */
 /* #undef OPUS_ARM_INLINE_NEON */
 
+/* Compiler supports Aarch64 DOTPROD Intrinsics */
+/* #undef OPUS_ARM_MAY_HAVE_DOTPROD */
+
 /* Define if assembler supports EDSP instructions */
 /* #undef OPUS_ARM_MAY_HAVE_EDSP */
 
@@ -112,6 +136,9 @@
 /* Define if binary requires Aarch64 Neon Intrinsics */
 /* #undef OPUS_ARM_PRESUME_AARCH64_NEON_INTR */
 
+/* Define if binary requires Aarch64 dotprod Intrinsics */
+/* #undef OPUS_ARM_PRESUME_DOTPROD */
+
 /* Define if binary requires EDSP instruction support */
 /* #undef OPUS_ARM_PRESUME_EDSP */
 
@@ -133,8 +160,8 @@
 /* Use run-time CPU capabilities detection */
 #define OPUS_HAVE_RTCD 1
 
-/* Compiler supports X86 AVX Intrinsics */
-#define OPUS_X86_MAY_HAVE_AVX 1
+/* Compiler supports X86 AVX2 Intrinsics */
+/* #undef OPUS_X86_MAY_HAVE_AVX2 */
 
 /* Compiler supports X86 SSE Intrinsics */
 #define OPUS_X86_MAY_HAVE_SSE 1
@@ -145,8 +172,8 @@
 /* Compiler supports X86 SSE4.1 Intrinsics */
 //#define OPUS_X86_MAY_HAVE_SSE4_1 1
 
-/* Define if binary requires AVX intrinsics support */
-/* #undef OPUS_X86_PRESUME_AVX */
+/* Define if binary requires AVX2 intrinsics support */
+/* #undef OPUS_X86_PRESUME_AVX2 */
 
 /* Define if binary requires SSE intrinsics support */
 #define OPUS_X86_PRESUME_SSE 1
@@ -164,7 +191,7 @@
 #define PACKAGE_NAME "opus"
 
 /* Define to the full name and version of this package. */
-#define PACKAGE_STRING "opus 1.3.1"
+#define PACKAGE_STRING "opus 1.5.2"
 
 /* Define to the one symbol short name of this package. */
 #define PACKAGE_TARNAME "opus"
@@ -173,7 +200,7 @@
 #define PACKAGE_URL ""
 
 /* Define to the version of this package. */
-#define PACKAGE_VERSION "1.3.1"
+#define PACKAGE_VERSION "1.5.2"
 
 /* Define to 1 if you have the ANSI C header files. */
 #define STDC_HEADERS 1

generate.sh

@@ -1,6 +1,6 @@
 #!/bin/bash
 
-OPUS_VERSION="1.3.1"
+OPUS_VERSION="1.5.2"
 
 # OK so ideally I'd like to have something like:
 # #cgo SOURCES opus/a.c opus/b.c etc...
@@ -62,6 +62,9 @@ for dir in src celt silk celt/arm celt/x86 silk/float silk/arm silk/x86; do
 			*sse4_1*)
 				# go won't let us compile for sse4-1
 				;;
+			*avx*)
+				# go won't let us compile for avx/avx2 without per-file CFLAGS
+				;;
 			src/opus_compare.c)
 				;;
 			*)

inc-celt-arm-arm-celt-map.go

@@ -3,6 +3,6 @@
 package opus
 
 /*
-#include <opus-1.3.1/celt/arm/arm_celt_map.c>
+#include <opus-1.5.2/celt/arm/arm_celt_map.c>
 */
 import "C"

inc-celt-arm-armcpu.go

@@ -3,6 +3,6 @@
 package opus
 
 /*
-#include <opus-1.3.1/celt/arm/armcpu.c>
+#include <opus-1.5.2/celt/arm/armcpu.c>
 */
 import "C"

inc-celt-arm-celt-fft-ne10.go

@@ -3,6 +3,6 @@
 package opus
 
 /*
-#include <opus-1.3.1/celt/arm/celt_fft_ne10.c>
+#include <opus-1.5.2/celt/arm/celt_fft_ne10.c>
 */
 import "C"

inc-celt-arm-celt-mdct-ne10.go

@@ -3,6 +3,6 @@
 package opus
 
 /*
-#include <opus-1.3.1/celt/arm/celt_mdct_ne10.c>
+#include <opus-1.5.2/celt/arm/celt_mdct_ne10.c>
 */
 import "C"

inc-celt-arm-celt-neon-intr.go

@@ -3,6 +3,6 @@
 package opus
 
 /*
-#include <opus-1.3.1/celt/arm/celt_neon_intr.c>
+#include <opus-1.5.2/celt/arm/celt_neon_intr.c>
 */
 import "C"

inc-celt-arm-pitch-neon-intr.go

@@ -3,6 +3,6 @@
 package opus
 
 /*
-#include <opus-1.3.1/celt/arm/pitch_neon_intr.c>
+#include <opus-1.5.2/celt/arm/pitch_neon_intr.c>
 */
 import "C"

inc-celt-bands.go

@@ -1,6 +1,6 @@
 package opus
 
 /*
-#include <opus-1.3.1/celt/bands.c>
+#include <opus-1.5.2/celt/bands.c>
 */
 import "C"