Sync libopus to upstream release 1.1

Change-Id: I9fea7460fc33f60faff961b3389dd97b5191463c

24 files changed, 168 insertions, 95 deletions

diff --git a/lib/rbcodec/codecs/libopus/celt/_kiss_fft_guts.h b/lib/rbcodec/codecs/libopus/celt/_kiss_fft_guts.h
index 866a6520ca..cc52f37c36 100644
--- a/lib/rbcodec/codecs/libopus/celt/_kiss_fft_guts.h
+++ b/lib/rbcodec/codecs/libopus/celt/_kiss_fft_guts.h
@@ -94,15 +94,15 @@
     do {(res).r = ADD32((res).r,(a).r);  (res).i = SUB32((res).i,(a).i); \
     }while(0)
 
-#if defined(ARMv4_ASM)
+#if defined(OPUS_ARM_INLINE_ASM)
 #include "arm/kiss_fft_armv4.h"
 #endif
 
-#if defined(ARMv5E_ASM)
+#if defined(OPUS_ARM_INLINE_EDSP)
 #include "arm/kiss_fft_armv5e.h"
 #endif
 
-#if defined(CF_ASM)
+#if defined(OPUS_CF_INLINE_ASM)
 #include "cf/kiss_fft_cf.h"
 #endif
 
diff --git a/lib/rbcodec/codecs/libopus/celt/arch.h b/lib/rbcodec/codecs/libopus/celt/arch.h
index c0f9413d00..b2d26c4ee4 100644
--- a/lib/rbcodec/codecs/libopus/celt/arch.h
+++ b/lib/rbcodec/codecs/libopus/celt/arch.h
@@ -35,6 +35,7 @@
 #define ARCH_H
 
 #include "opus_types.h"
+#include "opus_defines.h"
 
 # if !defined(__GNUC_PREREQ)
 #  if defined(__GNUC__)&&defined(__GNUC_MINOR__)
@@ -54,7 +55,7 @@
 #ifdef __GNUC__
 __attribute__((noreturn))
 #endif
-static inline void _celt_fatal(const char *str, const char *file, int line)
+static OPUS_INLINE void _celt_fatal(const char *str, const char *file, int line)
 {
    fprintf (stderr, "Fatal (internal) error in %s, line %d: %s\n", file, line, str);
    abort();
@@ -113,9 +114,9 @@ typedef opus_val32 celt_ener;
 
 #include "fixed_generic.h"
 
-#ifdef ARMv5E_ASM
+#ifdef OPUS_ARM_INLINE_EDSP
 #include "arm/fixed_armv5e.h"
-#elif defined (ARMv4_ASM)
+#elif defined (OPUS_ARM_INLINE_ASM)
 #include "arm/fixed_armv4.h"
 #elif defined (BFIN_ASM)
 #include "fixed_bfin.h"
@@ -123,7 +124,7 @@ typedef opus_val32 celt_ener;
 #include "fixed_c5x.h"
 #elif defined (TI_C6X_ASM)
 #include "fixed_c6x.h"
-#elif defined (CF_ASM)
+#elif defined (OPUS_CF_INLINE_ASM)
 #include "cf/fixed_cf.h"
 #endif
 
@@ -187,6 +188,7 @@ typedef float celt_ener;
 #define MAC16_32_Q15(c,a,b)     ((c)+(a)*(b))
 
 #define MULT16_16_Q11_32(a,b)     ((a)*(b))
+#define MULT16_16_Q11(a,b)     ((a)*(b))
 #define MULT16_16_Q13(a,b)     ((a)*(b))
 #define MULT16_16_Q14(a,b)     ((a)*(b))
 #define MULT16_16_Q15(a,b)     ((a)*(b))
diff --git a/lib/rbcodec/codecs/libopus/celt/arm/fixed_armv4.h b/lib/rbcodec/codecs/libopus/celt/arm/fixed_armv4.h
index bcacc343e8..b690bc8cea 100644
--- a/lib/rbcodec/codecs/libopus/celt/arm/fixed_armv4.h
+++ b/lib/rbcodec/codecs/libopus/celt/arm/fixed_armv4.h
@@ -29,7 +29,7 @@
 
 /** 16x32 multiplication, followed by a 16-bit shift right. Results fits in 32 bits */
 #undef MULT16_32_Q16
-static inline opus_val32 MULT16_32_Q16_armv4(opus_val16 a, opus_val32 b)
+static OPUS_INLINE opus_val32 MULT16_32_Q16_armv4(opus_val16 a, opus_val32 b)
 {
   unsigned rd_lo;
   int rd_hi;
@@ -46,7 +46,7 @@ static inline opus_val32 MULT16_32_Q16_armv4(opus_val16 a, opus_val32 b)
 
 /** 16x32 multiplication, followed by a 15-bit shift right. Results fits in 32 bits */
 #undef MULT16_32_Q15
-static inline opus_val32 MULT16_32_Q15_armv4(opus_val16 a, opus_val32 b)
+static OPUS_INLINE opus_val32 MULT16_32_Q15_armv4(opus_val16 a, opus_val32 b)
 {
   unsigned rd_lo;
   int rd_hi;
diff --git a/lib/rbcodec/codecs/libopus/celt/arm/fixed_armv5e.h b/lib/rbcodec/codecs/libopus/celt/arm/fixed_armv5e.h
index 80632c4a94..1194a7d3ec 100644
--- a/lib/rbcodec/codecs/libopus/celt/arm/fixed_armv5e.h
+++ b/lib/rbcodec/codecs/libopus/celt/arm/fixed_armv5e.h
@@ -34,7 +34,7 @@
 
 /** 16x32 multiplication, followed by a 16-bit shift right. Results fits in 32 bits */
 #undef MULT16_32_Q16
-static inline opus_val32 MULT16_32_Q16_armv5e(opus_val16 a, opus_val32 b)
+static OPUS_INLINE opus_val32 MULT16_32_Q16_armv5e(opus_val16 a, opus_val32 b)
 {
   int res;
   __asm__(
@@ -50,7 +50,7 @@ static inline opus_val32 MULT16_32_Q16_armv5e(opus_val16 a, opus_val32 b)
 
 /** 16x32 multiplication, followed by a 15-bit shift right. Results fits in 32 bits */
 #undef MULT16_32_Q15
-static inline opus_val32 MULT16_32_Q15_armv5e(opus_val16 a, opus_val32 b)
+static OPUS_INLINE opus_val32 MULT16_32_Q15_armv5e(opus_val16 a, opus_val32 b)
 {
   int res;
   __asm__(
@@ -68,7 +68,7 @@ static inline opus_val32 MULT16_32_Q15_armv5e(opus_val16 a, opus_val32 b)
     b must fit in 31 bits.
     Result fits in 32 bits. */
 #undef MAC16_32_Q15
-static inline opus_val32 MAC16_32_Q15_armv5e(opus_val32 c, opus_val16 a,
+static OPUS_INLINE opus_val32 MAC16_32_Q15_armv5e(opus_val32 c, opus_val16 a,
  opus_val32 b)
 {
   int res;
@@ -84,7 +84,7 @@ static inline opus_val32 MAC16_32_Q15_armv5e(opus_val32 c, opus_val16 a,
 
 /** 16x16 multiply-add where the result fits in 32 bits */
 #undef MAC16_16
-static inline opus_val32 MAC16_16_armv5e(opus_val32 c, opus_val16 a,
+static OPUS_INLINE opus_val32 MAC16_16_armv5e(opus_val32 c, opus_val16 a,
  opus_val16 b)
 {
   int res;
@@ -100,7 +100,7 @@ static inline opus_val32 MAC16_16_armv5e(opus_val32 c, opus_val16 a,
 
 /** 16x16 multiplication where the result fits in 32 bits */
 #undef MULT16_16
-static inline opus_val32 MULT16_16_armv5e(opus_val16 a, opus_val16 b)
+static OPUS_INLINE opus_val32 MULT16_16_armv5e(opus_val16 a, opus_val16 b)
 {
   int res;
   __asm__(
diff --git a/lib/rbcodec/codecs/libopus/celt/bands.c b/lib/rbcodec/codecs/libopus/celt/bands.c
index 5c715aff53..1ad786d795 100644
--- a/lib/rbcodec/codecs/libopus/celt/bands.c
+++ b/lib/rbcodec/codecs/libopus/celt/bands.c
@@ -216,7 +216,9 @@ void denormalise_bands(const CELTMode *m, const celt_norm * OPUS_RESTRICT X,
          j=M*eBands[i];
          band_end = M*eBands[i+1];
          lg = ADD16(bandLogE[i+c*m->nbEBands], SHL16((opus_val16)eMeans[i],6));
-#ifdef FIXED_POINT
+#ifndef FIXED_POINT
+         g = celt_exp2(lg);
+#else
          /* Handle the integer part of the log energy */
          shift = 16-(lg>>DB_SHIFT);
          if (shift>31)
@@ -227,9 +229,23 @@ void denormalise_bands(const CELTMode *m, const celt_norm * OPUS_RESTRICT X,
             /* Handle the fractional part. */
             g = celt_exp2_frac(lg&((1<<DB_SHIFT)-1));
          }
-#else
-         g = celt_exp2(lg);
+         /* Handle extreme gains with negative shift. */
+         if (shift<0)
+         {
+            /* For shift < -2 we'd be likely to overflow, so we're capping
+               the gain here. This shouldn't happen unless the bitstream is
+               already corrupted. */
+            if (shift < -2)
+            {
+               g = 32767;
+               shift = -2;
+            }
+            do {
+               *f++ = SHL32(MULT16_16(*x++, g), -shift);
+            } while (++j<band_end);
+         } else
 #endif
+         /* Be careful of the fixed-point "else" just above when changing this code */
          do {
             *f++ = SHR32(MULT16_16(*x++, g), shift);
          } while (++j<band_end);
@@ -495,7 +511,7 @@ int spreading_decision(const CELTMode *m, celt_norm *X, int *average,
          *tapset_decision=0;
    }
    /*printf("%d %d %d\n", hf_sum, *hf_average, *tapset_decision);*/
-   celt_assert(nbBands>0); /*M*(eBands[end]-eBands[end-1]) <= 8 assures this*/
+   celt_assert(nbBands>0); /* end has to be non-zero */
    sum /= nbBands;
    /* Recursive averaging */
    sum = (sum+*average)>>1;
@@ -873,7 +889,6 @@ static unsigned quant_partition(struct band_ctx *ctx, celt_norm *X,
    int q;
    int curr_bits;
    int imid=0, iside=0;
-   int N_B=N;
    int B0=B;
    opus_val16 mid=0, side=0;
    unsigned cm=0;
@@ -895,8 +910,6 @@ static unsigned quant_partition(struct band_ctx *ctx, celt_norm *X,
    spread = ctx->spread;
    ec = ctx->ec;
 
-   N_B /= B;
-
    /* If we need 1.5 more bit than we can produce, split the band in two. */
    cache = m->cache.bits + m->cache.index[(LM+1)*m->nbEBands+i];
    if (LM != -1 && b > cache[cache[0]]+12 && N>2)
@@ -1076,7 +1089,6 @@ static unsigned quant_band(struct band_ctx *ctx, celt_norm *X,
    longBlocks = B0==1;
 
    N_B /= B;
-   N_B0 = N_B;
 
    /* Special case for one sample */
    if (N==1)
diff --git a/lib/rbcodec/codecs/libopus/celt/celt.h b/lib/rbcodec/codecs/libopus/celt/celt.h
index 0911c72f72..5deea1f0aa 100644
--- a/lib/rbcodec/codecs/libopus/celt/celt.h
+++ b/lib/rbcodec/codecs/libopus/celt/celt.h
@@ -52,11 +52,11 @@ extern "C" {
 
 typedef struct {
    int valid;
-   opus_val16 tonality;
-   opus_val16 tonality_slope;
-   opus_val16 noisiness;
-   opus_val16 activity;
-   opus_val16 music_prob;
+   float tonality;
+   float tonality_slope;
+   float noisiness;
+   float activity;
+   float music_prob;
    int        bandwidth;
 }AnalysisInfo;
 
@@ -66,6 +66,10 @@ typedef struct {
 
 /* Encoder/decoder Requests */
 
+/* Expose this option again when variable framesize actually works */
+#define OPUS_FRAMESIZE_VARIABLE              5010 /**< Optimize the frame size dynamically */
+
+
 #define CELT_SET_PREDICTION_REQUEST    10002
 /** Controls the use of interframe prediction.
     0=Independent frames
@@ -109,10 +113,7 @@ typedef struct {
 #define OPUS_SET_LFE_REQUEST    10024
 #define OPUS_SET_LFE(x) OPUS_SET_LFE_REQUEST, __opus_check_int(x)
 
-#define OPUS_SET_ENERGY_SAVE_REQUEST    10026
-#define OPUS_SET_ENERGY_SAVE(x) OPUS_SET_ENERGY_SAVE_REQUEST, __opus_check_val16_ptr(x)
-
-#define OPUS_SET_ENERGY_MASK_REQUEST    10028
+#define OPUS_SET_ENERGY_MASK_REQUEST    10026
 #define OPUS_SET_ENERGY_MASK(x) OPUS_SET_ENERGY_MASK_REQUEST, __opus_check_val16_ptr(x)
 
 /* Encoder stuff */
@@ -121,7 +122,8 @@ int celt_encoder_get_size(int channels);
 
 int celt_encode_with_ec(OpusCustomEncoder * OPUS_RESTRICT st, const opus_val16 * pcm, int frame_size, unsigned char *compressed, int nbCompressedBytes, ec_enc *enc);
 
-int celt_encoder_init(CELTEncoder *st, opus_int32 sampling_rate, int channels);
+int celt_encoder_init(CELTEncoder *st, opus_int32 sampling_rate, int channels,
+                      int arch);
 
 
 
@@ -141,7 +143,7 @@ int celt_decode_with_ec(OpusCustomDecoder * OPUS_RESTRICT st, const unsigned cha
 #ifdef CUSTOM_MODES
 #define OPUS_CUSTOM_NOSTATIC
 #else
-#define OPUS_CUSTOM_NOSTATIC static inline
+#define OPUS_CUSTOM_NOSTATIC static OPUS_INLINE
 #endif
 
 static const unsigned char trim_icdf[11] = {126, 124, 119, 109, 87, 41, 19, 9, 4, 2, 0};
@@ -166,7 +168,7 @@ static const unsigned char fromOpusTable[16] = {
       0x00, 0x08, 0x10, 0x18
 };
 
-static inline int toOpus(unsigned char c)
+static OPUS_INLINE int toOpus(unsigned char c)
 {
    int ret=0;
    if (c<0xA0)
@@ -177,7 +179,7 @@ static inline int toOpus(unsigned char c)
       return ret|(c&0x7);
 }
 
-static inline int fromOpus(unsigned char c)
+static OPUS_INLINE int fromOpus(unsigned char c)
 {
    if (c<0x80)
       return -1;
@@ -193,6 +195,9 @@ extern const signed char tf_select_table[4][8];
 
 int resampling_factor(opus_int32 rate);
 
+void celt_preemphasis(const opus_val16 * OPUS_RESTRICT pcmp, celt_sig * OPUS_RESTRICT inp,
+                        int N, int CC, int upsample, const opus_val16 *coef, celt_sig *mem, int clip);
+
 void comb_filter(opus_val32 *y, opus_val32 *x, int T0, int T1, int N,
       opus_val16 g0, opus_val16 g1, int tapset0, int tapset1,
       const opus_val16 *window, int overlap);
diff --git a/lib/rbcodec/codecs/libopus/celt/celt_decoder.c b/lib/rbcodec/codecs/libopus/celt/celt_decoder.c
index 3d8211b9b0..77fa2d01f7 100644
--- a/lib/rbcodec/codecs/libopus/celt/celt_decoder.c
+++ b/lib/rbcodec/codecs/libopus/celt/celt_decoder.c
@@ -175,7 +175,7 @@ void opus_custom_decoder_destroy(CELTDecoder *st)
 }
 #endif /* CUSTOM_MODES */
 
-static inline opus_val16 SIG2WORD16(celt_sig x)
+static OPUS_INLINE opus_val16 SIG2WORD16(celt_sig x)
 {
 #ifdef FIXED_POINT
    x = PSHR32(x, SIG_SHIFT);
@@ -213,7 +213,7 @@ void deemphasis(celt_sig *in[], opus_val16 *pcm, int N, int C, int downsample, c
          opus_val16 coef3 = coef[3];
          for (j=0;j<N;j++)
          {
-            celt_sig tmp = x[j] + m;
+            celt_sig tmp = x[j] + m + VERY_SMALL;
             m = MULT16_32_Q15(coef0, tmp)
                           - MULT16_32_Q15(coef1, x[j]);
             tmp = SHL32(MULT16_32_Q15(coef3, tmp), 2);
@@ -227,7 +227,7 @@ void deemphasis(celt_sig *in[], opus_val16 *pcm, int N, int C, int downsample, c
          /* Shortcut for the standard (non-custom modes) case */
          for (j=0;j<N;j++)
          {
-            celt_sig tmp = x[j] + m;
+            celt_sig tmp = x[j] + m + VERY_SMALL;
             m = MULT16_32_Q15(coef0, tmp);
             scratch[j] = tmp;
          }
@@ -447,10 +447,11 @@ static void celt_decode_lost(CELTDecoder * OPUS_RESTRICT st, opus_val16 * OPUS_R
       {
          VARDECL( opus_val16, lp_pitch_buf );
          ALLOC( lp_pitch_buf, DECODE_BUFFER_SIZE>>1, opus_val16 );
-         pitch_downsample(decode_mem, lp_pitch_buf, DECODE_BUFFER_SIZE, C);
+         pitch_downsample(decode_mem, lp_pitch_buf,
+               DECODE_BUFFER_SIZE, C, st->arch);
          pitch_search(lp_pitch_buf+(PLC_PITCH_LAG_MAX>>1), lp_pitch_buf,
                DECODE_BUFFER_SIZE-PLC_PITCH_LAG_MAX,
-               PLC_PITCH_LAG_MAX-PLC_PITCH_LAG_MIN, &pitch_index);
+               PLC_PITCH_LAG_MAX-PLC_PITCH_LAG_MIN, &pitch_index, st->arch);
          pitch_index = PLC_PITCH_LAG_MAX-pitch_index;
          st->last_pitch_index = pitch_index;
       } else {
@@ -481,7 +482,8 @@ static void celt_decode_lost(CELTDecoder * OPUS_RESTRICT st, opus_val16 * OPUS_R
             opus_val32 ac[LPC_ORDER+1];
             /* Compute LPC coefficients for the last MAX_PERIOD samples before
                the first loss so we can work in the excitation-filter domain. */
-            _celt_autocorr(exc, ac, window, overlap, LPC_ORDER, MAX_PERIOD);
+            _celt_autocorr(exc, ac, window, overlap,
+                   LPC_ORDER, MAX_PERIOD, st->arch);
             /* Add a noise floor of -40 dB. */
 #ifdef FIXED_POINT
             ac[0] += SHR32(ac[0],13);
@@ -668,7 +670,6 @@ int celt_decode_with_ec(CELTDecoder * OPUS_RESTRICT st, const unsigned char *dat
    VARDECL(int, fine_priority);
    VARDECL(int, tf_res);
    VARDECL(unsigned char, collapse_masks);
-   celt_sig *out_mem[2] = {NULL, NULL};
    celt_sig *decode_mem[2];
    celt_sig *out_syn[2];
    opus_val16 *lpc;
@@ -709,7 +710,6 @@ int celt_decode_with_ec(CELTDecoder * OPUS_RESTRICT st, const unsigned char *dat
 
    c=0; do {
       decode_mem[c] = st->_decode_mem + c*(DECODE_BUFFER_SIZE+overlap);
-      out_mem[c] = decode_mem[c]+DECODE_BUFFER_SIZE-MAX_PERIOD;
    } while (++c<CC);
    lpc = (opus_val16*)(st->_decode_mem+(DECODE_BUFFER_SIZE+overlap)*CC);
    oldBandE = lpc+CC*LPC_ORDER;
@@ -934,7 +934,6 @@ int celt_decode_with_ec(CELTDecoder * OPUS_RESTRICT st, const unsigned char *dat
       /* Synthesis */
       denormalise_bands(mode, X, freq, oldBandE, st->start, effEnd, C, M);
    }
-
    c=0; do {
       OPUS_MOVE(decode_mem[c], decode_mem[c]+N, DECODE_BUFFER_SIZE-N+overlap/2);
    } while (++c<CC);
@@ -948,7 +947,7 @@ int celt_decode_with_ec(CELTDecoder * OPUS_RESTRICT st, const unsigned char *dat
    } while (++c<C);
 
    c=0; do {
-      out_syn[c] = out_mem[c]+MAX_PERIOD-N;
+      out_syn[c] = decode_mem[c]+DECODE_BUFFER_SIZE-N;
    } while (++c<CC);
 
    if (CC==2&&C==1)
diff --git a/lib/rbcodec/codecs/libopus/celt/celt_lpc.c b/lib/rbcodec/codecs/libopus/celt/celt_lpc.c
index 7ffe90a357..fa29d626ea 100644
--- a/lib/rbcodec/codecs/libopus/celt/celt_lpc.c
+++ b/lib/rbcodec/codecs/libopus/celt/celt_lpc.c
@@ -226,7 +226,8 @@ int _celt_autocorr(
                    const opus_val16       *window,
                    int          overlap,
                    int          lag,
-                   int          n
+                   int          n,
+                   int          arch
                   )
 {
    opus_val32 d;
@@ -275,7 +276,7 @@ int _celt_autocorr(
          shift = 0;
    }
 #endif
-   celt_pitch_xcorr(xptr, xptr, ac, fastN, lag+1);
+   celt_pitch_xcorr(xptr, xptr, ac, fastN, lag+1, arch);
    for (k=0;k<=lag;k++)
    {
       for (i = k+fastN, d = 0; i < n; i++)
diff --git a/lib/rbcodec/codecs/libopus/celt/celt_lpc.h b/lib/rbcodec/codecs/libopus/celt/celt_lpc.h
index 19279a0ed6..dc2a0a3d26 100644
--- a/lib/rbcodec/codecs/libopus/celt/celt_lpc.h
+++ b/lib/rbcodec/codecs/libopus/celt/celt_lpc.h
@@ -48,6 +48,7 @@ void celt_iir(const opus_val32 *x,
          int ord,
          opus_val16 *mem);
 
-int _celt_autocorr(const opus_val16 *x, opus_val32 *ac, const opus_val16 *window, int overlap, int lag, int n);
+int _celt_autocorr(const opus_val16 *x, opus_val32 *ac,
+         const opus_val16 *window, int overlap, int lag, int n, int arch);
 
 #endif /* PLC_H */
diff --git a/lib/rbcodec/codecs/libopus/celt/cpu_support.h b/lib/rbcodec/codecs/libopus/celt/cpu_support.h
index 41481feb9c..d68dbe62c5 100644
--- a/lib/rbcodec/codecs/libopus/celt/cpu_support.h
+++ b/lib/rbcodec/codecs/libopus/celt/cpu_support.h
@@ -28,7 +28,10 @@
 #ifndef CPU_SUPPORT_H
 #define CPU_SUPPORT_H
 
-#if defined(OPUS_HAVE_RTCD) && defined(ARMv4_ASM)
+#include "opus_types.h"
+#include "opus_defines.h"
+
+#if defined(OPUS_HAVE_RTCD) && defined(OPUS_ARM_ASM)
 #include "arm/armcpu.h"
 
 /* We currently support 4 ARM variants:
@@ -42,7 +45,7 @@
 #else
 #define OPUS_ARCHMASK 0
 
-static inline int opus_select_arch(void)
+static OPUS_INLINE int opus_select_arch(void)
 {
   return 0;
 }
diff --git a/lib/rbcodec/codecs/libopus/celt/cwrs.c b/lib/rbcodec/codecs/libopus/celt/cwrs.c
index eb8fa1c807..03b86985d2 100644
--- a/lib/rbcodec/codecs/libopus/celt/cwrs.c
+++ b/lib/rbcodec/codecs/libopus/celt/cwrs.c
@@ -410,7 +410,7 @@ static const opus_uint32 CELT_PVQ_U_DATA[1272] ICONST_ATTR ={
 };
 
 #if defined(CUSTOM_MODES)
-const opus_uint32 *const CELT_PVQ_U_ROW[15]={
+static const opus_uint32 *const CELT_PVQ_U_ROW[15]={
   CELT_PVQ_U_DATA+   0,CELT_PVQ_U_DATA+ 208,CELT_PVQ_U_DATA+ 415,
   CELT_PVQ_U_DATA+ 621,CELT_PVQ_U_DATA+ 826,CELT_PVQ_U_DATA+1030,
   CELT_PVQ_U_DATA+1233,CELT_PVQ_U_DATA+1336,CELT_PVQ_U_DATA+1389,
@@ -418,7 +418,7 @@ const opus_uint32 *const CELT_PVQ_U_ROW[15]={
   CELT_PVQ_U_DATA+1464,CELT_PVQ_U_DATA+1470,CELT_PVQ_U_DATA+1473
 };
 #else
-const opus_uint32 *const CELT_PVQ_U_ROW[15]={
+static const opus_uint32 *const CELT_PVQ_U_ROW[15]={
   CELT_PVQ_U_DATA+   0,CELT_PVQ_U_DATA+ 176,CELT_PVQ_U_DATA+ 351,
   CELT_PVQ_U_DATA+ 525,CELT_PVQ_U_DATA+ 698,CELT_PVQ_U_DATA+ 870,
   CELT_PVQ_U_DATA+1041,CELT_PVQ_U_DATA+1131,CELT_PVQ_U_DATA+1178,
@@ -534,7 +534,7 @@ void decode_pulses(int *_y,int _n,int _k,ec_dec *_dec){
 /*Computes the next row/column of any recurrence that obeys the relation
    u[i][j]=u[i-1][j]+u[i][j-1]+u[i-1][j-1].
   _ui0 is the base case for the new row/column.*/
-static inline void unext(opus_uint32 *_ui,unsigned _len,opus_uint32 _ui0){
+static OPUS_INLINE void unext(opus_uint32 *_ui,unsigned _len,opus_uint32 _ui0){
   opus_uint32 ui1;
   unsigned      j;
   /*This do-while will overrun the array if we don't have storage for at least
@@ -550,7 +550,7 @@ static inline void unext(opus_uint32 *_ui,unsigned _len,opus_uint32 _ui0){
 /*Computes the previous row/column of any recurrence that obeys the relation
    u[i-1][j]=u[i][j]-u[i][j-1]-u[i-1][j-1].
   _ui0 is the base case for the new row/column.*/
-static inline void uprev(opus_uint32 *_ui,unsigned _n,opus_uint32 _ui0){
+static OPUS_INLINE void uprev(opus_uint32 *_ui,unsigned _n,opus_uint32 _ui0){
   opus_uint32 ui1;
   unsigned      j;
   /*This do-while will overrun the array if we don't have storage for at least
@@ -617,7 +617,7 @@ static void cwrsi(int _n,int _k,opus_uint32 _i,int *_y,opus_uint32 *_u){
    of size 1 with associated sign bits.
   _y: The vector of pulses, whose sum of absolute values is K.
   _k: Returns K.*/
-static inline opus_uint32 icwrs1(const int *_y,int *_k){
+static OPUS_INLINE opus_uint32 icwrs1(const int *_y,int *_k){
   *_k=abs(_y[0]);
   return _y[0]<0;
 }
@@ -626,7 +626,7 @@ static inline opus_uint32 icwrs1(const int *_y,int *_k){
    of size _n with associated sign bits.
   _y:  The vector of pulses, whose sum of absolute values must be _k.
   _nc: Returns V(_n,_k).*/
-static inline opus_uint32 icwrs(int _n,int _k,opus_uint32 *_nc,const int *_y,
+static OPUS_INLINE opus_uint32 icwrs(int _n,int _k,opus_uint32 *_nc,const int *_y,
  opus_uint32 *_u){
   opus_uint32 i;
   int         j;
diff --git a/lib/rbcodec/codecs/libopus/celt/ecintrin.h b/lib/rbcodec/codecs/libopus/celt/ecintrin.h
index be57dd40de..2263cff6bd 100644
--- a/lib/rbcodec/codecs/libopus/celt/ecintrin.h
+++ b/lib/rbcodec/codecs/libopus/celt/ecintrin.h
@@ -33,7 +33,7 @@
 #if !defined(_ecintrin_H)
 # define _ecintrin_H (1)
 
-/*Some specific platforms may have optimized intrinsic or inline assembly
+/*Some specific platforms may have optimized intrinsic or OPUS_INLINE assembly
    versions of these functions which can substantially improve performance.
   We define macros for them to allow easy incorporation of these non-ANSI
    features.*/
diff --git a/lib/rbcodec/codecs/libopus/celt/entcode.h b/lib/rbcodec/codecs/libopus/celt/entcode.h
index aebecc0647..dd13e49e50 100644
--- a/lib/rbcodec/codecs/libopus/celt/entcode.h
+++ b/lib/rbcodec/codecs/libopus/celt/entcode.h
@@ -26,6 +26,7 @@
 */
 
 #include "opus_types.h"
+#include "opus_defines.h"
 
 #if !defined(_entcode_H)
 # define _entcode_H (1)
@@ -83,15 +84,15 @@ struct ec_ctx{
    int            error;
 };
 
-static inline opus_uint32 ec_range_bytes(ec_ctx *_this){
+static OPUS_INLINE opus_uint32 ec_range_bytes(ec_ctx *_this){
   return _this->offs;
 }
 
-static inline unsigned char *ec_get_buffer(ec_ctx *_this){
+static OPUS_INLINE unsigned char *ec_get_buffer(ec_ctx *_this){
   return _this->buf;
 }
 
-static inline int ec_get_error(ec_ctx *_this){
+static OPUS_INLINE int ec_get_error(ec_ctx *_this){
   return _this->error;
 }
 
@@ -101,7 +102,7 @@ static inline int ec_get_error(ec_ctx *_this){
   Return: The number of bits.
           This will always be slightly larger than the exact value (e.g., all
            rounding error is in the positive direction).*/
-static inline int ec_tell(ec_ctx *_this){
+static OPUS_INLINE int ec_tell(ec_ctx *_this){
   return _this->nbits_total-EC_ILOG(_this->rng);
 }
 
diff --git a/lib/rbcodec/codecs/libopus/celt/fixed_generic.h b/lib/rbcodec/codecs/libopus/celt/fixed_generic.h
index 0e77976e83..ecf018a244 100644
--- a/lib/rbcodec/codecs/libopus/celt/fixed_generic.h
+++ b/lib/rbcodec/codecs/libopus/celt/fixed_generic.h
@@ -40,7 +40,7 @@
 #define MULT16_32_Q16(a,b) ADD32(MULT16_16((a),SHR((b),16)), SHR(MULT16_16SU((a),((b)&0x0000ffff)),16))
 
 /** 16x32 multiplication, followed by a 16-bit shift right (round-to-nearest). Results fits in 32 bits */
-#define MULT16_32_P16(a,b) ADD32(MULT16_16((a),SHR((b),16)), PSHR(MULT16_16((a),((b)&0x0000ffff)),16))
+#define MULT16_32_P16(a,b) ADD32(MULT16_16((a),SHR((b),16)), PSHR(MULT16_16SU((a),((b)&0x0000ffff)),16))
 
 /** 16x32 multiplication, followed by a 15-bit shift right. Results fits in 32 bits */
 #define MULT16_32_Q15(a,b) ADD32(SHL(MULT16_16((a),SHR((b),16)),1), SHR(MULT16_16SU((a),((b)&0x0000ffff)),15))
@@ -116,6 +116,7 @@
 #define MAC16_32_Q15(c,a,b) ADD32(c,ADD32(MULT16_16((a),SHR((b),15)), SHR(MULT16_16((a),((b)&0x00007fff)),15)))
 
 #define MULT16_16_Q11_32(a,b) (SHR(MULT16_16((a),(b)),11))
+#define MULT16_16_Q11(a,b) (SHR(MULT16_16((a),(b)),11))
 #define MULT16_16_Q13(a,b) (SHR(MULT16_16((a),(b)),13))
 #define MULT16_16_Q14(a,b) (SHR(MULT16_16((a),(b)),14))
 #define MULT16_16_Q15(a,b) (SHR(MULT16_16((a),(b)),15))
diff --git a/lib/rbcodec/codecs/libopus/celt/float_cast.h b/lib/rbcodec/codecs/libopus/celt/float_cast.h
index 5ded291599..ede6574860 100644
--- a/lib/rbcodec/codecs/libopus/celt/float_cast.h
+++ b/lib/rbcodec/codecs/libopus/celt/float_cast.h
@@ -101,7 +101,7 @@
         #include <math.h>
 
         /*      Win32 doesn't seem to have these functions.
-        **      Therefore implement inline versions of these functions here.
+        **      Therefore implement OPUS_INLINE versions of these functions here.
         */
 
         __inline long int
@@ -128,7 +128,7 @@
 #endif
 
 #ifndef DISABLE_FLOAT_API
-static inline opus_int16 FLOAT2INT16(float x)
+static OPUS_INLINE opus_int16 FLOAT2INT16(float x)
 {
    x = x*CELT_SIG_SCALE;
    x = MAX32(x, -32768);
diff --git a/lib/rbcodec/codecs/libopus/celt/mathops.c b/lib/rbcodec/codecs/libopus/celt/mathops.c
index 21fd942960..3f8c5dcc0e 100644
--- a/lib/rbcodec/codecs/libopus/celt/mathops.c
+++ b/lib/rbcodec/codecs/libopus/celt/mathops.c
@@ -139,7 +139,7 @@ opus_val32 celt_sqrt(opus_val32 x)
 #define L3 8277
 #define L4 -626
 
-static inline opus_val16 _celt_cos_pi_2(opus_val16 x)
+static OPUS_INLINE opus_val16 _celt_cos_pi_2(opus_val16 x)
 {
    opus_val16 x2;
 
diff --git a/lib/rbcodec/codecs/libopus/celt/mathops.h b/lib/rbcodec/codecs/libopus/celt/mathops.h
index 44fa97c697..a0525a9610 100644
--- a/lib/rbcodec/codecs/libopus/celt/mathops.h
+++ b/lib/rbcodec/codecs/libopus/celt/mathops.h
@@ -44,7 +44,7 @@
 unsigned isqrt32(opus_uint32 _val);
 
 #ifndef OVERRIDE_CELT_MAXABS16
-static inline opus_val32 celt_maxabs16(const opus_val16 *x, int len)
+static OPUS_INLINE opus_val32 celt_maxabs16(const opus_val16 *x, int len)
 {
    int i;
    opus_val16 maxval = 0;
@@ -60,7 +60,7 @@ static inline opus_val32 celt_maxabs16(const opus_val16 *x, int len)
 
 #ifndef OVERRIDE_CELT_MAXABS32
 #ifdef FIXED_POINT
-static inline opus_val32 celt_maxabs32(const opus_val32 *x, int len)
+static OPUS_INLINE opus_val32 celt_maxabs32(const opus_val32 *x, int len)
 {
    int i;
    opus_val32 maxval = 0;
@@ -95,7 +95,7 @@ static inline opus_val32 celt_maxabs32(const opus_val32 *x, int len)
          denorm, +/- inf and NaN are *not* handled */
 
 /** Base-2 log approximation (log2(x)). */
-static inline float celt_log2(float x)
+static OPUS_INLINE float celt_log2(float x)
 {
    int integer;
    float frac;
@@ -113,7 +113,7 @@ static inline float celt_log2(float x)
 }
 
 /** Base-2 exponential approximation (2^x). */
-static inline float celt_exp2(float x)
+static OPUS_INLINE float celt_exp2(float x)
 {
    int integer;
    float frac;
@@ -145,7 +145,7 @@ static inline float celt_exp2(float x)
 
 #ifndef OVERRIDE_CELT_ILOG2
 /** Integer log in base2. Undefined for zero and negative numbers */
-static inline opus_int16 celt_ilog2(opus_int32 x)
+static OPUS_INLINE opus_int16 celt_ilog2(opus_int32 x)
 {
    celt_assert2(x>0, "celt_ilog2() only defined for strictly positive numbers");
    return EC_ILOG(x)-1;
@@ -154,7 +154,7 @@ static inline opus_int16 celt_ilog2(opus_int32 x)
 
 
 /** Integer log in base2. Defined for zero, but not for negative numbers */
-static inline opus_int16 celt_zlog2(opus_val32 x)
+static OPUS_INLINE opus_int16 celt_zlog2(opus_val32 x)
 {
    return x <= 0 ? 0 : celt_ilog2(x);
 }
@@ -165,7 +165,8 @@ opus_val32 celt_sqrt(opus_val32 x);
 
 opus_val16 celt_cos_norm(opus_val32 x);
 
-static inline opus_val16 celt_log2(opus_val32 x)
+/** Base-2 logarithm approximation (log2(x)). (Q14 input, Q10 output) */
+static OPUS_INLINE opus_val16 celt_log2(opus_val32 x)
 {
    int i;
    opus_val16 n, frac;
@@ -191,14 +192,14 @@ static inline opus_val16 celt_log2(opus_val32 x)
 #define D2 14819
 #define D3 10204
 
-static inline opus_val32 celt_exp2_frac(opus_val16 x)
+static OPUS_INLINE opus_val32 celt_exp2_frac(opus_val16 x)
 {
    opus_val16 frac;
    frac = SHL16(x, 4);
    return ADD16(D0, MULT16_16_Q15(frac, ADD16(D1, MULT16_16_Q15(frac, ADD16(D2 , MULT16_16_Q15(D3,frac))))));
 }
 /** Base-2 exponential approximation (2^x). (Q10 input, Q16 output) */
-static inline opus_val32 celt_exp2(opus_val16 x)
+static OPUS_INLINE opus_val32 celt_exp2(opus_val16 x)
 {
    int integer;
    opus_val16 frac;
@@ -224,7 +225,7 @@ opus_val32 frac_div32(opus_val32 a, opus_val32 b);
 
 /* Atan approximation using a 4th order polynomial. Input is in Q15 format
    and normalized by pi/4. Output is in Q15 format */
-static inline opus_val16 celt_atan01(opus_val16 x)
+static OPUS_INLINE opus_val16 celt_atan01(opus_val16 x)
 {
    return MULT16_16_P15(x, ADD32(M1, MULT16_16_P15(x, ADD32(M2, MULT16_16_P15(x, ADD32(M3, MULT16_16_P15(M4, x)))))));
 }
@@ -235,7 +236,7 @@ static inline opus_val16 celt_atan01(opus_val16 x)
 #undef M4
 
 /* atan2() approximation valid for positive input values */
-static inline opus_val16 celt_atan2p(opus_val16 y, opus_val16 x)
+static OPUS_INLINE opus_val16 celt_atan2p(opus_val16 y, opus_val16 x)
 {
    if (y < x)
    {
diff --git a/lib/rbcodec/codecs/libopus/celt/os_support.h b/lib/rbcodec/codecs/libopus/celt/os_support.h
index 2484f0b2f7..5e47e3cff9 100644
--- a/lib/rbcodec/codecs/libopus/celt/os_support.h
+++ b/lib/rbcodec/codecs/libopus/celt/os_support.h
@@ -35,13 +35,16 @@
 #  include "custom_support.h"
 #endif
 
+#include "opus_types.h"
+#include "opus_defines.h"
+
 #include <string.h>
 #include <stdio.h>
 #include <stdlib.h>
 
 /** Opus wrapper for malloc(). To do your own dynamic allocation, all you need to do is replace this function and opus_free */
 #ifndef OVERRIDE_OPUS_ALLOC
-static inline void *opus_alloc (size_t size)
+static OPUS_INLINE void *opus_alloc (size_t size)
 {
    return malloc(size);
 }
@@ -49,7 +52,7 @@ static inline void *opus_alloc (size_t size)
 
 /** Same as celt_alloc(), except that the area is only needed inside a CELT call (might cause problem with wideband though) */
 #ifndef OVERRIDE_OPUS_ALLOC_SCRATCH
-static inline void *opus_alloc_scratch (size_t size)
+static OPUS_INLINE void *opus_alloc_scratch (size_t size)
 {
    /* Scratch space doesn't need to be cleared */
    return opus_alloc(size);
@@ -58,7 +61,7 @@ static inline void *opus_alloc_scratch (size_t size)
 
 /** Opus wrapper for free(). To do your own dynamic allocation, all you need to do is replace this function and opus_alloc */
 #ifndef OVERRIDE_OPUS_FREE
-static inline void opus_free (void *ptr)
+static OPUS_INLINE void opus_free (void *ptr)
 {
    free(ptr);
 }
diff --git a/lib/rbcodec/codecs/libopus/celt/pitch.c b/lib/rbcodec/codecs/libopus/celt/pitch.c
index 0d8be13025..c28857297a 100644
--- a/lib/rbcodec/codecs/libopus/celt/pitch.c
+++ b/lib/rbcodec/codecs/libopus/celt/pitch.c
@@ -145,7 +145,7 @@ static void celt_fir5(const opus_val16 *x,
 
 
 void pitch_downsample(celt_sig * OPUS_RESTRICT x[], opus_val16 * OPUS_RESTRICT x_lp,
-      int len, int C)
+      int len, int C, int arch)
 {
    int i;
    opus_val32 ac[5];
@@ -180,7 +180,7 @@ void pitch_downsample(celt_sig * OPUS_RESTRICT x[], opus_val16 * OPUS_RESTRICT x
    }
 
    _celt_autocorr(x_lp, ac, NULL, 0,
-                  4, len>>1);
+                  4, len>>1, arch);
 
    /* Noise floor -40 dB */
 #ifdef FIXED_POINT
@@ -250,9 +250,14 @@ opus_val32
 #else
 void
 #endif
-celt_pitch_xcorr(const opus_val16 *_x, const opus_val16 *_y, opus_val32 *xcorr, int len, int max_pitch)
+celt_pitch_xcorr_c(const opus_val16 *_x, const opus_val16 *_y, opus_val32 *xcorr, int len, int max_pitch)
 {
    int i,j;
+   /*The EDSP version requires that max_pitch is at least 1, and that _x is
+      32-bit aligned.
+     Since it's hard to put asserts in assembly, put them here.*/
+   celt_assert(max_pitch>0);
+   celt_assert((((unsigned char *)_x-(unsigned char *)NULL)&3)==0);
 #ifdef FIXED_POINT
    opus_val32 maxcorr=1;
 #endif
@@ -289,7 +294,7 @@ celt_pitch_xcorr(const opus_val16 *_x, const opus_val16 *_y, opus_val32 *xcorr,
 
 #endif
 void pitch_search(const opus_val16 * OPUS_RESTRICT x_lp, opus_val16 * OPUS_RESTRICT y,
-                  int len, int max_pitch, int *pitch)
+                  int len, int max_pitch, int *pitch, int arch)
 {
    int i, j;
    int lag;
@@ -342,7 +347,7 @@ void pitch_search(const opus_val16 * OPUS_RESTRICT x_lp, opus_val16 * OPUS_RESTR
 #ifdef FIXED_POINT
    maxcorr =
 #endif
-   celt_pitch_xcorr(x_lp4, y_lp4, xcorr, len>>2, max_pitch>>2);
+   celt_pitch_xcorr(x_lp4, y_lp4, xcorr, len>>2, max_pitch>>2, arch);
 
    find_best_pitch(xcorr, y_lp4, len>>2, max_pitch>>2, best_pitch
 #ifdef FIXED_POINT
diff --git a/lib/rbcodec/codecs/libopus/celt/pitch.h b/lib/rbcodec/codecs/libopus/celt/pitch.h
index caffd24bc4..df317ecc1d 100644
--- a/lib/rbcodec/codecs/libopus/celt/pitch.h
+++ b/lib/rbcodec/codecs/libopus/celt/pitch.h
@@ -35,16 +35,21 @@
 #define PITCH_H
 
 #include "modes.h"
+#include "cpu_support.h"
 
 #if defined(__SSE__) && !defined(FIXED_POINT)
 #include "x86/pitch_sse.h"
 #endif
 
+#if defined(OPUS_ARM_ASM) && defined(FIXED_POINT)
+# include "arm/pitch_arm.h"
+#endif
+
 void pitch_downsample(celt_sig * OPUS_RESTRICT x[], opus_val16 * OPUS_RESTRICT x_lp,
-      int len, int C);
+      int len, int C, int arch);
 
 void pitch_search(const opus_val16 * OPUS_RESTRICT x_lp, opus_val16 * OPUS_RESTRICT y,
-                  int len, int max_pitch, int *pitch);
+                  int len, int max_pitch, int *pitch, int arch);
 
 opus_val16 remove_doubling(opus_val16 *x, int maxperiod, int minperiod,
       int N, int *T0, int prev_period, opus_val16 prev_gain);
@@ -52,10 +57,11 @@ opus_val16 remove_doubling(opus_val16 *x, int maxperiod, int minperiod,
 /* OPT: This is the kernel you really want to optimize. It gets used a lot
    by the prefilter and by the PLC. */
 #ifndef OVERRIDE_XCORR_KERNEL
-static inline void xcorr_kernel(const opus_val16 * x, const opus_val16 * y, opus_val32 sum[4], int len)
+static OPUS_INLINE void xcorr_kernel(const opus_val16 * x, const opus_val16 * y, opus_val32 sum[4], int len)
 {
    int j;
    opus_val16 y_0, y_1, y_2, y_3;
+   celt_assert(len>=3);
    y_3=0; /* gcc doesn't realize that y_3 can't be used uninitialized */
    y_0=*y++;
    y_1=*y++;
@@ -119,7 +125,7 @@ static inline void xcorr_kernel(const opus_val16 * x, const opus_val16 * y, opus
 #endif /* OVERRIDE_XCORR_KERNEL */
 
 #ifndef OVERRIDE_DUAL_INNER_PROD
-static inline void dual_inner_prod(const opus_val16 *x, const opus_val16 *y01, const opus_val16 *y02,
+static OPUS_INLINE void dual_inner_prod(const opus_val16 *x, const opus_val16 *y01, const opus_val16 *y02,
       int N, opus_val32 *xy1, opus_val32 *xy2)
 {
    int i;
@@ -140,6 +146,28 @@ opus_val32
 #else
 void
 #endif
-celt_pitch_xcorr(const opus_val16 *_x, const opus_val16 *_y, opus_val32 *xcorr, int len, int max_pitch);
+celt_pitch_xcorr_c(const opus_val16 *_x, const opus_val16 *_y,
+      opus_val32 *xcorr, int len, int max_pitch);
+
+#if !defined(OVERRIDE_PITCH_XCORR)
+/*Is run-time CPU detection enabled on this platform?*/
+# if defined(OPUS_HAVE_RTCD)
+extern
+#  if defined(FIXED_POINT)
+opus_val32
+#  else
+void
+#  endif
+(*const CELT_PITCH_XCORR_IMPL[OPUS_ARCHMASK+1])(const opus_val16 *,
+      const opus_val16 *, opus_val32 *, int, int);
+
+#  define celt_pitch_xcorr(_x, _y, xcorr, len, max_pitch, arch) \
+  ((*CELT_PITCH_XCORR_IMPL[(arch)&OPUS_ARCHMASK])(_x, _y, \
+        xcorr, len, max_pitch))
+# else
+#  define celt_pitch_xcorr(_x, _y, xcorr, len, max_pitch, arch) \
+  ((void)(arch),celt_pitch_xcorr_c(_x, _y, xcorr, len, max_pitch))
+# endif
+#endif
 
 #endif
diff --git a/lib/rbcodec/codecs/libopus/celt/quant_bands.c b/lib/rbcodec/codecs/libopus/celt/quant_bands.c
index 79685e17cb..ac6952c266 100644
--- a/lib/rbcodec/codecs/libopus/celt/quant_bands.c
+++ b/lib/rbcodec/codecs/libopus/celt/quant_bands.c
@@ -312,6 +312,7 @@ void quant_coarse_energy(const CELTMode *m, int start, int end, int effEnd,
       opus_int32 tell_intra;
       opus_uint32 nstart_bytes;
       opus_uint32 nintra_bytes;
+      opus_uint32 save_bytes;
       int badness2;
       VARDECL(unsigned char, intra_bits);
 
@@ -322,7 +323,10 @@ void quant_coarse_energy(const CELTMode *m, int start, int end, int effEnd,
       nstart_bytes = ec_range_bytes(&enc_start_state);
       nintra_bytes = ec_range_bytes(&enc_intra_state);
       intra_buf = ec_get_buffer(&enc_intra_state) + nstart_bytes;
-      ALLOC(intra_bits, nintra_bytes-nstart_bytes, unsigned char);
+      save_bytes = nintra_bytes-nstart_bytes;
+      if (save_bytes == 0)
+         save_bytes = ALLOC_NONE;
+      ALLOC(intra_bits, save_bytes, unsigned char);
       /* Copy bits from intra bit-stream */
       OPUS_COPY(intra_bits, intra_buf, nintra_bytes - nstart_bytes);
 
diff --git a/lib/rbcodec/codecs/libopus/celt/rate.c b/lib/rbcodec/codecs/libopus/celt/rate.c
index e474cf5004..e13d839d63 100644
--- a/lib/rbcodec/codecs/libopus/celt/rate.c
+++ b/lib/rbcodec/codecs/libopus/celt/rate.c
@@ -245,7 +245,7 @@ void compute_pulse_cache(CELTMode *m, int LM)
 
 #define ALLOC_STEPS 6
 
-static inline int interp_bits2pulses(const CELTMode *m, int start, int end, int skip_start,
+static OPUS_INLINE int interp_bits2pulses(const CELTMode *m, int start, int end, int skip_start,
       const int *bits1, const int *bits2, const int *thresh, const int *cap, opus_int32 total, opus_int32 *_balance,
       int skip_rsv, int *intensity, int intensity_rsv, int *dual_stereo, int dual_stereo_rsv, int *bits,
       int *ebits, int *fine_priority, int C, int LM, ec_ctx *ec, int encode, int prev, int signalBandwidth)
diff --git a/lib/rbcodec/codecs/libopus/celt/rate.h b/lib/rbcodec/codecs/libopus/celt/rate.h
index 263fde9820..f1e0661129 100644
--- a/lib/rbcodec/codecs/libopus/celt/rate.h
+++ b/lib/rbcodec/codecs/libopus/celt/rate.h
@@ -45,12 +45,12 @@
 
 void compute_pulse_cache(CELTMode *m, int LM);
 
-static inline int get_pulses(int i)
+static OPUS_INLINE int get_pulses(int i)
 {
    return i<8 ? i : (8 + (i&7)) << ((i>>3)-1);
 }
 
-static inline int bits2pulses(const CELTMode *m, int band, int LM, int bits)
+static OPUS_INLINE int bits2pulses(const CELTMode *m, int band, int LM, int bits)
 {
    int i;
    int lo, hi;
@@ -77,7 +77,7 @@ static inline int bits2pulses(const CELTMode *m, int band, int LM, int bits)
       return hi;
 }
 
-static inline int pulses2bits(const CELTMode *m, int band, int LM, int pulses)
+static OPUS_INLINE int pulses2bits(const CELTMode *m, int band, int LM, int pulses)
 {
    const unsigned char *cache;
 
diff --git a/lib/rbcodec/codecs/libopus/celt/stack_alloc.h b/lib/rbcodec/codecs/libopus/celt/stack_alloc.h
index 1c093a8cdc..316a6ce12c 100644
--- a/lib/rbcodec/codecs/libopus/celt/stack_alloc.h
+++ b/lib/rbcodec/codecs/libopus/celt/stack_alloc.h
@@ -32,6 +32,9 @@
 #ifndef STACK_ALLOC_H
 #define STACK_ALLOC_H
 
+#include "opus_types.h"
+#include "opus_defines.h"
+
 #if (!defined (VAR_ARRAYS) && !defined (USE_ALLOCA) && !defined (NONTHREADSAFE_PSEUDOSTACK))
 #error "Opus requires one of VAR_ARRAYS, USE_ALLOCA, or NONTHREADSAFE_PSEUDOSTACK be defined to select the temporary allocation mode."
 #endif
@@ -92,6 +95,8 @@
 #define SAVE_STACK
 #define RESTORE_STACK
 #define ALLOC_STACK
+/* C99 does not allow VLAs of size zero */
+#define ALLOC_NONE 1
 
 #elif defined(USE_ALLOCA)
 
@@ -106,6 +111,7 @@
 #define SAVE_STACK
 #define RESTORE_STACK
 #define ALLOC_STACK
+#define ALLOC_NONE 0
 
 #else
 
@@ -143,6 +149,7 @@ extern char *global_stack_top;
 #define VARDECL(type, var) type *var
 #define ALLOC(var, size, type) var = PUSH(global_stack, size, type)
 #define SAVE_STACK char *_saved_stack = global_stack;
+#define ALLOC_NONE 0
 
 #endif /* VAR_ARRAYS */
 
@@ -159,7 +166,7 @@ extern char *global_stack_top;
 
 #else
 
-static inline int _opus_false(void) {return 0;}
+static OPUS_INLINE int _opus_false(void) {return 0;}
 #define OPUS_CHECK_ARRAY(ptr, len) _opus_false()
 #define OPUS_CHECK_VALUE(value) _opus_false()
 #define OPUS_PRINT_INT(value) do{}while(0)