From 14c6bb798d6bebc80f07e863236adbaf8d156a9c Mon Sep 17 00:00:00 2001
From: William Wilgus <me.theuser@yahoo.com>
Date: Fri, 4 Jan 2019 02:01:18 -0600
Subject: Sync opus codec to upstream git

Change-Id: I0cfcc0005c4ad7bfbb1aaf454188ce70fb043dc1
---
 .../codecs/libopus/celt/dump_modes/Makefile        |  32 ++
 .../codecs/libopus/celt/dump_modes/dump_modes.c    | 353 +++++++++++++++++++++
 .../libopus/celt/dump_modes/dump_modes_arch.h      |  45 +++
 .../libopus/celt/dump_modes/dump_modes_arm_ne10.c  | 152 +++++++++
 4 files changed, 582 insertions(+)
 create mode 100644 lib/rbcodec/codecs/libopus/celt/dump_modes/Makefile
 create mode 100644 lib/rbcodec/codecs/libopus/celt/dump_modes/dump_modes.c
 create mode 100644 lib/rbcodec/codecs/libopus/celt/dump_modes/dump_modes_arch.h
 create mode 100644 lib/rbcodec/codecs/libopus/celt/dump_modes/dump_modes_arm_ne10.c

(limited to 'lib/rbcodec/codecs/libopus/celt/dump_modes')

diff --git a/lib/rbcodec/codecs/libopus/celt/dump_modes/Makefile b/lib/rbcodec/codecs/libopus/celt/dump_modes/Makefile
new file mode 100644
index 0000000000..93f599fb5b
--- /dev/null
+++ b/lib/rbcodec/codecs/libopus/celt/dump_modes/Makefile
@@ -0,0 +1,32 @@
+
+CFLAGS=-O2 -Wall -Wextra -DHAVE_CONFIG_H
+INCLUDES=-I. -I../ -I../.. -I../../include
+
+SOURCES = dump_modes.c \
+          ../modes.c \
+          ../cwrs.c \
+          ../rate.c \
+          ../entcode.c \
+          ../entenc.c \
+          ../entdec.c \
+          ../mathops.c \
+          ../mdct.c \
+          ../kiss_fft.c
+
+ifdef HAVE_ARM_NE10
+CC = gcc
+CFLAGS += -mfpu=neon
+INCLUDES += -I$(NE10_INCDIR) -DHAVE_ARM_NE10 -DOPUS_ARM_PRESUME_NEON_INTR
+LIBS = -L$(NE10_LIBDIR) -lNE10
+SOURCES += ../arm/celt_ne10_fft.c \
+           dump_modes_arm_ne10.c \
+           ../arm/armcpu.c
+endif
+
+all: dump_modes
+
+dump_modes:
+	$(PREFIX)$(CC) $(CFLAGS) $(INCLUDES) -DCUSTOM_MODES_ONLY -DCUSTOM_MODES $(SOURCES) -o $@ $(LIBS) -lm
+
+clean:
+	rm -f dump_modes
diff --git a/lib/rbcodec/codecs/libopus/celt/dump_modes/dump_modes.c b/lib/rbcodec/codecs/libopus/celt/dump_modes/dump_modes.c
new file mode 100644
index 0000000000..9105a5344e
--- /dev/null
+++ b/lib/rbcodec/codecs/libopus/celt/dump_modes/dump_modes.c
@@ -0,0 +1,353 @@
+/* Copyright (c) 2008 CSIRO
+   Copyright (c) 2008-2009 Xiph.Org Foundation
+   Written by Jean-Marc Valin */
+/*
+   Redistribution and use in source and binary forms, with or without
+   modification, 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.
+
+   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.
+*/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdlib.h>
+#include <stdio.h>
+#include "modes.h"
+#include "celt.h"
+#include "rate.h"
+#include "dump_modes_arch.h"
+
+#define INT16 "%d"
+#define INT32 "%d"
+#define FLOAT "%#0.8gf"
+
+#ifdef FIXED_POINT
+#define WORD16 INT16
+#define WORD32 INT32
+#else
+#define WORD16 FLOAT
+#define WORD32 FLOAT
+#endif
+
+void dump_modes(FILE *file, CELTMode **modes, int nb_modes)
+{
+   int i, j, k;
+   int mdct_twiddles_size;
+   fprintf(file, "/* The contents of this file was automatically generated by dump_modes.c\n");
+   fprintf(file, "   with arguments:");
+   for (i=0;i<nb_modes;i++)
+   {
+      CELTMode *mode = modes[i];
+      fprintf(file, " %d %d",mode->Fs,mode->shortMdctSize*mode->nbShortMdcts);
+   }
+   fprintf(file, "\n   It contains static definitions for some pre-defined modes. */\n");
+   fprintf(file, "#include \"modes.h\"\n");
+   fprintf(file, "#include \"rate.h\"\n");
+   fprintf(file, "\n#ifdef HAVE_ARM_NE10\n");
+   fprintf(file, "#define OVERRIDE_FFT 1\n");
+   fprintf(file, "#include \"%s\"\n", ARM_NE10_ARCH_FILE_NAME);
+   fprintf(file, "#endif\n");
+
+   fprintf(file, "\n");
+
+   for (i=0;i<nb_modes;i++)
+   {
+      CELTMode *mode = modes[i];
+      int mdctSize;
+      int standard, framerate;
+
+      mdctSize = mode->shortMdctSize*mode->nbShortMdcts;
+      standard = (mode->Fs == 400*(opus_int32)mode->shortMdctSize);
+      framerate = mode->Fs/mode->shortMdctSize;
+
+      if (!standard)
+      {
+         fprintf(file, "#ifndef DEF_EBANDS%d_%d\n", mode->Fs, mdctSize);
+         fprintf(file, "#define DEF_EBANDS%d_%d\n", mode->Fs, mdctSize);
+         fprintf (file, "static const opus_int16 eBands%d_%d[%d] = {\n", mode->Fs, mdctSize, mode->nbEBands+2);
+         for (j=0;j<mode->nbEBands+2;j++)
+            fprintf (file, "%d, ", mode->eBands[j]);
+         fprintf (file, "};\n");
+         fprintf(file, "#endif\n");
+         fprintf(file, "\n");
+      }
+
+      fprintf(file, "#ifndef DEF_WINDOW%d\n", mode->overlap);
+      fprintf(file, "#define DEF_WINDOW%d\n", mode->overlap);
+      fprintf (file, "static const opus_val16 window%d[%d] = {\n", mode->overlap, mode->overlap);
+      for (j=0;j<mode->overlap;j++)
+         fprintf (file, WORD16 ",%c", mode->window[j],(j+6)%5==0?'\n':' ');
+      fprintf (file, "};\n");
+      fprintf(file, "#endif\n");
+      fprintf(file, "\n");
+
+      if (!standard)
+      {
+         fprintf(file, "#ifndef DEF_ALLOC_VECTORS%d_%d\n", mode->Fs, mdctSize);
+         fprintf(file, "#define DEF_ALLOC_VECTORS%d_%d\n", mode->Fs, mdctSize);
+         fprintf (file, "static const unsigned char allocVectors%d_%d[%d] = {\n", mode->Fs, mdctSize, mode->nbEBands*mode->nbAllocVectors);
+         for (j=0;j<mode->nbAllocVectors;j++)
+         {
+            for (k=0;k<mode->nbEBands;k++)
+               fprintf (file, "%2d, ", mode->allocVectors[j*mode->nbEBands+k]);
+            fprintf (file, "\n");
+         }
+         fprintf (file, "};\n");
+         fprintf(file, "#endif\n");
+         fprintf(file, "\n");
+      }
+
+      fprintf(file, "#ifndef DEF_LOGN%d\n", framerate);
+      fprintf(file, "#define DEF_LOGN%d\n", framerate);
+      fprintf (file, "static const opus_int16 logN%d[%d] = {\n", framerate, mode->nbEBands);
+      for (j=0;j<mode->nbEBands;j++)
+         fprintf (file, "%d, ", mode->logN[j]);
+      fprintf (file, "};\n");
+      fprintf(file, "#endif\n");
+      fprintf(file, "\n");
+
+      /* Pulse cache */
+      fprintf(file, "#ifndef DEF_PULSE_CACHE%d\n", mode->Fs/mdctSize);
+      fprintf(file, "#define DEF_PULSE_CACHE%d\n", mode->Fs/mdctSize);
+      fprintf (file, "static const opus_int16 cache_index%d[%d] = {\n", mode->Fs/mdctSize, (mode->maxLM+2)*mode->nbEBands);
+      for (j=0;j<mode->nbEBands*(mode->maxLM+2);j++)
+         fprintf (file, "%d,%c", mode->cache.index[j],(j+16)%15==0?'\n':' ');
+      fprintf (file, "};\n");
+      fprintf (file, "static const unsigned char cache_bits%d[%d] = {\n", mode->Fs/mdctSize, mode->cache.size);
+      for (j=0;j<mode->cache.size;j++)
+         fprintf (file, "%d,%c", mode->cache.bits[j],(j+16)%15==0?'\n':' ');
+      fprintf (file, "};\n");
+      fprintf (file, "static const unsigned char cache_caps%d[%d] = {\n", mode->Fs/mdctSize, (mode->maxLM+1)*2*mode->nbEBands);
+      for (j=0;j<(mode->maxLM+1)*2*mode->nbEBands;j++)
+         fprintf (file, "%d,%c", mode->cache.caps[j],(j+16)%15==0?'\n':' ');
+      fprintf (file, "};\n");
+
+      fprintf(file, "#endif\n");
+      fprintf(file, "\n");
+
+      /* FFT twiddles */
+      fprintf(file, "#ifndef FFT_TWIDDLES%d_%d\n", mode->Fs, mdctSize);
+      fprintf(file, "#define FFT_TWIDDLES%d_%d\n", mode->Fs, mdctSize);
+      fprintf (file, "static const kiss_twiddle_cpx fft_twiddles%d_%d[%d] = {\n",
+            mode->Fs, mdctSize, mode->mdct.kfft[0]->nfft);
+      for (j=0;j<mode->mdct.kfft[0]->nfft;j++)
+         fprintf (file, "{" WORD16 ", " WORD16 "},%c", mode->mdct.kfft[0]->twiddles[j].r, mode->mdct.kfft[0]->twiddles[j].i,(j+3)%2==0?'\n':' ');
+      fprintf (file, "};\n");
+
+#ifdef OVERRIDE_FFT
+      dump_mode_arch(mode);
+#endif
+      /* FFT Bitrev tables */
+      for (k=0;k<=mode->mdct.maxshift;k++)
+      {
+         fprintf(file, "#ifndef FFT_BITREV%d\n", mode->mdct.kfft[k]->nfft);
+         fprintf(file, "#define FFT_BITREV%d\n", mode->mdct.kfft[k]->nfft);
+         fprintf (file, "static const opus_int16 fft_bitrev%d[%d] = {\n",
+               mode->mdct.kfft[k]->nfft, mode->mdct.kfft[k]->nfft);
+         for (j=0;j<mode->mdct.kfft[k]->nfft;j++)
+            fprintf (file, "%d,%c", mode->mdct.kfft[k]->bitrev[j],(j+16)%15==0?'\n':' ');
+         fprintf (file, "};\n");
+
+         fprintf(file, "#endif\n");
+         fprintf(file, "\n");
+      }
+
+      /* FFT States */
+      for (k=0;k<=mode->mdct.maxshift;k++)
+      {
+         fprintf(file, "#ifndef FFT_STATE%d_%d_%d\n", mode->Fs, mdctSize, k);
+         fprintf(file, "#define FFT_STATE%d_%d_%d\n", mode->Fs, mdctSize, k);
+         fprintf (file, "static const kiss_fft_state fft_state%d_%d_%d = {\n",
+               mode->Fs, mdctSize, k);
+         fprintf (file, "%d,    /* nfft */\n", mode->mdct.kfft[k]->nfft);
+         fprintf (file, WORD16 ",    /* scale */\n", mode->mdct.kfft[k]->scale);
+#ifdef FIXED_POINT
+         fprintf (file, "%d,    /* scale_shift */\n", mode->mdct.kfft[k]->scale_shift);
+#endif
+         fprintf (file, "%d,    /* shift */\n", mode->mdct.kfft[k]->shift);
+         fprintf (file, "{");
+         for (j=0;j<2*MAXFACTORS;j++)
+            fprintf (file, "%d, ", mode->mdct.kfft[k]->factors[j]);
+         fprintf (file, "},    /* factors */\n");
+         fprintf (file, "fft_bitrev%d,    /* bitrev */\n", mode->mdct.kfft[k]->nfft);
+         fprintf (file, "fft_twiddles%d_%d,    /* bitrev */\n", mode->Fs, mdctSize);
+
+         fprintf (file, "#ifdef OVERRIDE_FFT\n");
+         fprintf (file, "(arch_fft_state *)&cfg_arch_%d,\n", mode->mdct.kfft[k]->nfft);
+         fprintf (file, "#else\n");
+         fprintf (file, "NULL,\n");
+         fprintf(file, "#endif\n");
+
+         fprintf (file, "};\n");
+
+         fprintf(file, "#endif\n");
+         fprintf(file, "\n");
+      }
+
+      fprintf(file, "#endif\n");
+      fprintf(file, "\n");
+
+      /* MDCT twiddles */
+      mdct_twiddles_size = mode->mdct.n-(mode->mdct.n/2>>mode->mdct.maxshift);
+      fprintf(file, "#ifndef MDCT_TWIDDLES%d\n", mdctSize);
+      fprintf(file, "#define MDCT_TWIDDLES%d\n", mdctSize);
+      fprintf (file, "static const opus_val16 mdct_twiddles%d[%d] = {\n",
+            mdctSize, mdct_twiddles_size);
+      for (j=0;j<mdct_twiddles_size;j++)
+         fprintf (file, WORD16 ",%c", mode->mdct.trig[j],(j+6)%5==0?'\n':' ');
+      fprintf (file, "};\n");
+
+      fprintf(file, "#endif\n");
+      fprintf(file, "\n");
+
+
+      /* Print the actual mode data */
+      fprintf(file, "static const CELTMode mode%d_%d_%d = {\n", mode->Fs, mdctSize, mode->overlap);
+      fprintf(file, INT32 ",    /* Fs */\n", mode->Fs);
+      fprintf(file, "%d,    /* overlap */\n", mode->overlap);
+      fprintf(file, "%d,    /* nbEBands */\n", mode->nbEBands);
+      fprintf(file, "%d,    /* effEBands */\n", mode->effEBands);
+      fprintf(file, "{");
+      for (j=0;j<4;j++)
+         fprintf(file, WORD16 ", ", mode->preemph[j]);
+      fprintf(file, "},    /* preemph */\n");
+      if (standard)
+         fprintf(file, "eband5ms,    /* eBands */\n");
+      else
+         fprintf(file, "eBands%d_%d,    /* eBands */\n", mode->Fs, mdctSize);
+
+      fprintf(file, "%d,    /* maxLM */\n", mode->maxLM);
+      fprintf(file, "%d,    /* nbShortMdcts */\n", mode->nbShortMdcts);
+      fprintf(file, "%d,    /* shortMdctSize */\n", mode->shortMdctSize);
+
+      fprintf(file, "%d,    /* nbAllocVectors */\n", mode->nbAllocVectors);
+      if (standard)
+         fprintf(file, "band_allocation,    /* allocVectors */\n");
+      else
+         fprintf(file, "allocVectors%d_%d,    /* allocVectors */\n", mode->Fs, mdctSize);
+
+      fprintf(file, "logN%d,    /* logN */\n", framerate);
+      fprintf(file, "window%d,    /* window */\n", mode->overlap);
+      fprintf(file, "{%d, %d, {", mode->mdct.n, mode->mdct.maxshift);
+      for (k=0;k<=mode->mdct.maxshift;k++)
+         fprintf(file, "&fft_state%d_%d_%d, ", mode->Fs, mdctSize, k);
+      fprintf (file, "}, mdct_twiddles%d},    /* mdct */\n", mdctSize);
+
+      fprintf(file, "{%d, cache_index%d, cache_bits%d, cache_caps%d},    /* cache */\n",
+            mode->cache.size, mode->Fs/mdctSize, mode->Fs/mdctSize, mode->Fs/mdctSize);
+      fprintf(file, "};\n");
+   }
+   fprintf(file, "\n");
+   fprintf(file, "/* List of all the available modes */\n");
+   fprintf(file, "#define TOTAL_MODES %d\n", nb_modes);
+   fprintf(file, "static const CELTMode * const static_mode_list[TOTAL_MODES] = {\n");
+   for (i=0;i<nb_modes;i++)
+   {
+      CELTMode *mode = modes[i];
+      int mdctSize;
+      mdctSize = mode->shortMdctSize*mode->nbShortMdcts;
+      fprintf(file, "&mode%d_%d_%d,\n", mode->Fs, mdctSize, mode->overlap);
+   }
+   fprintf(file, "};\n");
+}
+
+void dump_header(FILE *file, CELTMode **modes, int nb_modes)
+{
+   int i;
+   int channels = 0;
+   int frame_size = 0;
+   int overlap = 0;
+   fprintf (file, "/* This header file is generated automatically*/\n");
+   for (i=0;i<nb_modes;i++)
+   {
+      CELTMode *mode = modes[i];
+      if (frame_size==0)
+         frame_size = mode->shortMdctSize*mode->nbShortMdcts;
+      else if (frame_size != mode->shortMdctSize*mode->nbShortMdcts)
+         frame_size = -1;
+      if (overlap==0)
+         overlap = mode->overlap;
+      else if (overlap != mode->overlap)
+         overlap = -1;
+   }
+   if (channels>0)
+   {
+      fprintf (file, "#define CHANNELS(mode) %d\n", channels);
+      if (channels==1)
+         fprintf (file, "#define DISABLE_STEREO\n");
+   }
+   if (frame_size>0)
+   {
+      fprintf (file, "#define FRAMESIZE(mode) %d\n", frame_size);
+   }
+   if (overlap>0)
+   {
+      fprintf (file, "#define OVERLAP(mode) %d\n", overlap);
+   }
+}
+
+#ifdef FIXED_POINT
+#define BASENAME "static_modes_fixed"
+#else
+#define BASENAME "static_modes_float"
+#endif
+
+int main(int argc, char **argv)
+{
+   int i, nb;
+   FILE *file;
+   CELTMode **m;
+   if (argc%2 != 1 || argc<3)
+   {
+      fprintf (stderr, "Usage: %s rate frame_size [rate frame_size] [rate frame_size]...\n",argv[0]);
+      return 1;
+   }
+   nb = (argc-1)/2;
+   m = malloc(nb*sizeof(CELTMode*));
+   for (i=0;i<nb;i++)
+   {
+      int Fs, frame;
+      Fs      = atoi(argv[2*i+1]);
+      frame   = atoi(argv[2*i+2]);
+      m[i] = opus_custom_mode_create(Fs, frame, NULL);
+      if (m[i]==NULL)
+      {
+         fprintf(stderr,"Error creating mode with Fs=%s, frame_size=%s\n",
+               argv[2*i+1],argv[2*i+2]);
+         return EXIT_FAILURE;
+      }
+   }
+   file = fopen(BASENAME ".h", "w");
+#ifdef OVERRIDE_FFT
+   dump_modes_arch_init(m, nb);
+#endif
+   dump_modes(file, m, nb);
+   fclose(file);
+#ifdef OVERRIDE_FFT
+   dump_modes_arch_finalize();
+#endif
+   for (i=0;i<nb;i++)
+      opus_custom_mode_destroy(m[i]);
+   free(m);
+   return 0;
+}
diff --git a/lib/rbcodec/codecs/libopus/celt/dump_modes/dump_modes_arch.h b/lib/rbcodec/codecs/libopus/celt/dump_modes/dump_modes_arch.h
new file mode 100644
index 0000000000..cc0d4be1ec
--- /dev/null
+++ b/lib/rbcodec/codecs/libopus/celt/dump_modes/dump_modes_arch.h
@@ -0,0 +1,45 @@
+/* Copyright (c) 2015 Xiph.Org Foundation
+   Written by Viswanath Puttagunta */
+/*
+   Redistribution and use in source and binary forms, with or without
+   modification, 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.
+
+   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 DUMP_MODE_ARCH_H
+#define DUMP_MODE_ARCH_H
+
+void dump_modes_arch_init();
+void dump_mode_arch(CELTMode *mode);
+void dump_modes_arch_finalize();
+
+#if !defined(FIXED_POINT)
+#define ARM_NE10_ARCH_FILE_NAME "static_modes_float_arm_ne10.h"
+#else
+#define ARM_NE10_ARCH_FILE_NAME "static_modes_fixed_arm_ne10.h"
+#endif
+
+#if defined(HAVE_ARM_NE10)
+#define OVERRIDE_FFT (1)
+#endif
+
+#endif
diff --git a/lib/rbcodec/codecs/libopus/celt/dump_modes/dump_modes_arm_ne10.c b/lib/rbcodec/codecs/libopus/celt/dump_modes/dump_modes_arm_ne10.c
new file mode 100644
index 0000000000..828e7b9fff
--- /dev/null
+++ b/lib/rbcodec/codecs/libopus/celt/dump_modes/dump_modes_arm_ne10.c
@@ -0,0 +1,152 @@
+/* Copyright (c) 2015 Xiph.Org Foundation
+   Written by Viswanath Puttagunta */
+/*
+   Redistribution and use in source and binary forms, with or without
+   modification, 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.
+
+   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.
+*/
+
+#if defined(HAVE_CONFIG_H)
+# include "config.h"
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "modes.h"
+#include "dump_modes_arch.h"
+#include <NE10_dsp.h>
+
+#if !defined(FIXED_POINT)
+# define NE10_FFT_CFG_TYPE_T ne10_fft_cfg_float32_t
+# define NE10_FFT_CPX_TYPE_T_STR "ne10_fft_cpx_float32_t"
+# define NE10_FFT_STATE_TYPE_T_STR "ne10_fft_state_float32_t"
+#else
+# define NE10_FFT_CFG_TYPE_T ne10_fft_cfg_int32_t
+# define NE10_FFT_CPX_TYPE_T_STR "ne10_fft_cpx_int32_t"
+# define NE10_FFT_STATE_TYPE_T_STR "ne10_fft_state_int32_t"
+#endif
+
+static FILE *file;
+
+void dump_modes_arch_init(CELTMode **modes, int nb_modes)
+{
+   int i;
+
+   file = fopen(ARM_NE10_ARCH_FILE_NAME, "w");
+   fprintf(file, "/* The contents of this file was automatically generated by\n");
+   fprintf(file, " * dump_mode_arm_ne10.c with arguments:");
+   for (i=0;i<nb_modes;i++)
+   {
+      CELTMode *mode = modes[i];
+      fprintf(file, " %d %d",mode->Fs,mode->shortMdctSize*mode->nbShortMdcts);
+   }
+   fprintf(file, "\n * It contains static definitions for some pre-defined modes. */\n");
+   fprintf(file, "#include <NE10_types.h>\n\n");
+}
+
+void dump_modes_arch_finalize()
+{
+   fclose(file);
+}
+
+void dump_mode_arch(CELTMode *mode)
+{
+   int k, j;
+   int mdctSize;
+
+   mdctSize = mode->shortMdctSize*mode->nbShortMdcts;
+
+   fprintf(file, "#ifndef NE10_FFT_PARAMS%d_%d\n", mode->Fs, mdctSize);
+   fprintf(file, "#define NE10_FFT_PARAMS%d_%d\n", mode->Fs, mdctSize);
+   /* cfg->factors */
+   for(k=0;k<=mode->mdct.maxshift;k++) {
+      NE10_FFT_CFG_TYPE_T cfg;
+      cfg = (NE10_FFT_CFG_TYPE_T)mode->mdct.kfft[k]->arch_fft->priv;
+      if (!cfg)
+         continue;
+      fprintf(file, "static const ne10_int32_t ne10_factors_%d[%d] = {\n",
+              mode->mdct.kfft[k]->nfft, (NE10_MAXFACTORS * 2));
+      for(j=0;j<(NE10_MAXFACTORS * 2);j++) {
+         fprintf(file, "%d,%c", cfg->factors[j],(j+16)%15==0?'\n':' ');
+      }
+      fprintf (file, "};\n");
+   }
+
+   /* cfg->twiddles */
+   for(k=0;k<=mode->mdct.maxshift;k++) {
+      NE10_FFT_CFG_TYPE_T cfg;
+      cfg = (NE10_FFT_CFG_TYPE_T)mode->mdct.kfft[k]->arch_fft->priv;
+      if (!cfg)
+         continue;
+      fprintf(file, "static const %s ne10_twiddles_%d[%d] = {\n",
+              NE10_FFT_CPX_TYPE_T_STR, mode->mdct.kfft[k]->nfft,
+              mode->mdct.kfft[k]->nfft);
+      for(j=0;j<mode->mdct.kfft[k]->nfft;j++) {
+#if !defined(FIXED_POINT)
+         fprintf(file, "{%#0.8gf,%#0.8gf},%c",
+                 cfg->twiddles[j].r, cfg->twiddles[j].i,(j+4)%3==0?'\n':' ');
+#else
+         fprintf(file, "{%d,%d},%c",
+                 cfg->twiddles[j].r, cfg->twiddles[j].i,(j+4)%3==0?'\n':' ');
+#endif
+      }
+      fprintf (file, "};\n");
+   }
+
+   for(k=0;k<=mode->mdct.maxshift;k++) {
+      NE10_FFT_CFG_TYPE_T cfg;
+      cfg = (NE10_FFT_CFG_TYPE_T)mode->mdct.kfft[k]->arch_fft->priv;
+      if (!cfg) {
+         fprintf(file, "/* Ne10 does not support scaled FFT for length = %d */\n",
+                 mode->mdct.kfft[k]->nfft);
+         fprintf(file, "static const arch_fft_state cfg_arch_%d = {\n", mode->mdct.kfft[k]->nfft);
+         fprintf(file, "0,\n");
+         fprintf(file, "NULL\n");
+         fprintf(file, "};\n");
+         continue;
+      }
+      fprintf(file, "static const %s %s_%d = {\n", NE10_FFT_STATE_TYPE_T_STR,
+              NE10_FFT_STATE_TYPE_T_STR, mode->mdct.kfft[k]->nfft);
+      fprintf(file, "%d,\n", cfg->nfft);
+      fprintf(file, "(ne10_int32_t *)ne10_factors_%d,\n", mode->mdct.kfft[k]->nfft);
+      fprintf(file, "(%s *)ne10_twiddles_%d,\n",
+              NE10_FFT_CPX_TYPE_T_STR, mode->mdct.kfft[k]->nfft);
+      fprintf(file, "NULL,\n");  /* buffer */
+      fprintf(file, "(%s *)&ne10_twiddles_%d[%d],\n",
+              NE10_FFT_CPX_TYPE_T_STR, mode->mdct.kfft[k]->nfft, cfg->nfft);
+#if !defined(FIXED_POINT)
+      fprintf(file, "/* is_forward_scaled = true */\n");
+      fprintf(file, "(ne10_int32_t) 1,\n");
+      fprintf(file, "/* is_backward_scaled = false */\n");
+      fprintf(file, "(ne10_int32_t) 0,\n");
+#endif
+      fprintf(file, "};\n");
+
+      fprintf(file, "static const arch_fft_state cfg_arch_%d = {\n",
+              mode->mdct.kfft[k]->nfft);
+      fprintf(file, "1,\n");
+      fprintf(file, "(void *)&%s_%d,\n",
+              NE10_FFT_STATE_TYPE_T_STR, mode->mdct.kfft[k]->nfft);
+      fprintf(file, "};\n\n");
+   }
+   fprintf(file, "#endif  /* end NE10_FFT_PARAMS%d_%d */\n", mode->Fs, mdctSize);
+}
-- 
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