Commit ad15af88 authored by Jean-Marc Valin's avatar Jean-Marc Valin
Browse files

Adding code for Opus Custom

parent 0ed65775
Copyright 2001-2010 Xiph.Org, Jean-Marc Valin,
Timothy B. Terriberry, CSIRO,
and other contributors
Copyright 2001-2010 Xiph.Org, Skype, Octasic,
Jean-Marc Valin, Timothy B. Terriberry,
CSIRO, and other contributors
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
......
OPUS_SOURCES = src/opus_decoder.c \
OPUS_SOURCES = src/opus.c \
src/opus_decoder.c \
src/opus_encoder.c
/* Copyright (c) 2011 Xiph.Org Foundation, Skype Limited
Written by Jean-Marc Valin and Koen Vos */
/*
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 FOUNDATION 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.
*/
const char *opus_strerror(int error)
{
static const char *error_strings[8] = {
"success",
"invalid argument",
"buffer too small",
"internal error",
"corrupted stream",
"request not implemented",
"invalid state",
"memory allocation failed"
};
if (error > 0 || error < -7)
return "unknown error";
else
return error_strings[-error];
}
......@@ -218,6 +218,8 @@ OPUS_EXPORT int opus_packet_get_nb_channels(const unsigned char *data);
OPUS_EXPORT int opus_packet_get_nb_frames(const unsigned char packet[], int len);
OPUS_EXPORT int opus_decoder_get_nb_samples(const OpusDecoder *dec, const unsigned char packet[], int len);
OPUS_EXPORT const char *opus_strerror(int error);
/* For testing purposes: the encoder and decoder state should always be identical after coding a payload */
#if OPUS_TEST_RANGE_CODER_STATE
OPUS_EXPORT int opus_encoder_get_final_range(OpusEncoder *st);
......
/* Copyright (c) 2007-2008 CSIRO
Copyright (c) 2007-2009 Xiph.Org Foundation
Copyright (c) 2008 Gregory Maxwell
Written by Jean-Marc Valin and Gregory Maxwell */
/**
@file celt.h
@brief Contains all the functions for encoding and decoding audio
*/
/*
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 FOUNDATION 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 OPUS_CUSTOM_H
#define OPUS_CUSTOM_H
#ifdef ENABLE_OPUS_CUSTOM
#include "celt.h"
#include "opus.h"
#ifdef __cplusplus
extern "C" {
#endif
#define OpusCustomEncoder CELTEncoder
#define OpusCustomDecoder CELTDecoder
#define OpusCustomMode CELTMode
#define opus_custom_mode_create celt_mode_create
#define opus_custom_mode_destroy celt_mode_destroy
#define opus_custom_encoder_get_size celt_encoder_get_size_custom
#define opus_custom_encoder_create celt_encoder_create_custom
#define opus_custom_encoder_init celt_encoder_init_custom
#define opus_custom_encoder_destroy celt_encoder_destroy
#define opus_custom_encode_float celt_encode_float
#define opus_custom_encode celt_encode
#define opus_custom_encoder_ctl celt_encoder_ctl
#define opus_custom_decoder_get_size celt_decoder_get_size_custom
#define opus_custom_decoder_create celt_decoder_create_custom
#define opus_custom_decoder_init celt_decoder_init_custom
#define opus_custom_decoder_destroy celt_decoder_destroy
#define opus_custom_decode_float celt_decode_float
#define opus_custom_decode celt_decode
#define opus_custom_decoder_ctl celt_decoder_ctl
#ifdef __cplusplus
}
#endif
#endif /* ENABLE_OPUS_CUSTOM */
#endif /* OPUS_CUSTOM_H */
/* Copyright (c) 2007-2008 CSIRO
Copyright (c) 2007-2009 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 FOUNDATION 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 "opus_custom.h"
#include "arch.h"
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <string.h>
#define MAX_PACKET 1275
int main(int argc, char *argv[])
{
int err;
char *inFile, *outFile;
FILE *fin, *fout;
CELTMode *mode=NULL;
CELTEncoder *enc;
CELTDecoder *dec;
int len;
celt_int32 frame_size, channels;
int bytes_per_packet;
unsigned char data[MAX_PACKET];
int rate;
int complexity;
#if !(defined (FIXED_POINT) && !defined(CUSTOM_MODES)) && defined(RESYNTH)
int i;
double rmsd = 0;
#endif
int count = 0;
celt_int32 skip;
celt_int16 *in, *out;
if (argc != 9 && argc != 8 && argc != 7)
{
fprintf (stderr, "Usage: testcelt <rate> <channels> <frame size> "
" <bytes per packet> [<complexity> [packet loss rate]] "
"<input> <output>\n");
return 1;
}
rate = atoi(argv[1]);
channels = atoi(argv[2]);
frame_size = atoi(argv[3]);
mode = opus_custom_mode_create(rate, frame_size, NULL);
if (mode == NULL)
{
fprintf(stderr, "failed to create a mode\n");
return 1;
}
bytes_per_packet = atoi(argv[4]);
if (bytes_per_packet < 0 || bytes_per_packet > MAX_PACKET)
{
fprintf (stderr, "bytes per packet must be between 0 and %d\n",
MAX_PACKET);
return 1;
}
inFile = argv[argc-2];
fin = fopen(inFile, "rb");
if (!fin)
{
fprintf (stderr, "Could not open input file %s\n", argv[argc-2]);
return 1;
}
outFile = argv[argc-1];
fout = fopen(outFile, "wb+");
if (!fout)
{
fprintf (stderr, "Could not open output file %s\n", argv[argc-1]);
return 1;
}
enc = opus_custom_encoder_create(mode, channels, &err);
if (err != 0)
{
fprintf(stderr, "Failed to create the encoder: %s\n", opus_strerror(err));
return 1;
}
dec = opus_custom_decoder_create(mode, channels, &err);
if (err != 0)
{
fprintf(stderr, "Failed to create the decoder: %s\n", opus_strerror(err));
return 1;
}
opus_custom_decoder_ctl(dec, CELT_GET_LOOKAHEAD(&skip));
if (argc>7)
{
complexity=atoi(argv[5]);
opus_custom_encoder_ctl(enc,CELT_SET_COMPLEXITY(complexity));
}
in = (celt_int16*)malloc(frame_size*channels*sizeof(celt_int16));
out = (celt_int16*)malloc(frame_size*channels*sizeof(celt_int16));
while (!feof(fin))
{
int ret;
err = fread(in, sizeof(short), frame_size*channels, fin);
if (feof(fin))
break;
len = opus_custom_encode(enc, in, frame_size, data, bytes_per_packet);
if (len <= 0)
fprintf (stderr, "opus_custom_encode() failed: %s\n", opus_strerror(len));
/* This is for simulating bit errors */
#if 0
int errors = 0;
int eid = 0;
/* This simulates random bit error */
for (i=0;i<len*8;i++)
{
if (rand()%atoi(argv[8])==0)
{
if (i<64)
{
errors++;
eid = i;
}
data[i/8] ^= 1<<(7-(i%8));
}
}
if (errors == 1)
data[eid/8] ^= 1<<(7-(eid%8));
else if (errors%2 == 1)
data[rand()%8] ^= 1<<rand()%8;
#endif
#if 1 /* Set to zero to use the encoder's output instead */
/* This is to simulate packet loss */
if (argc==9 && rand()%1000<atoi(argv[argc-3]))
/*if (errors && (errors%2==0))*/
ret = opus_custom_decode(dec, NULL, len, out, frame_size);
else
ret = opus_custom_decode(dec, data, len, out, frame_size);
if (ret < 0)
fprintf(stderr, "opus_custom_decode() failed: %s\n", opus_strerror(ret));
#else
for (i=0;i<ret*channels;i++)
out[i] = in[i];
#endif
#if !(defined (FIXED_POINT) && !defined(CUSTOM_MODES)) && defined(RESYNTH)
for (i=0;i<ret*channels;i++)
{
rmsd += (in[i]-out[i])*1.0*(in[i]-out[i]);
/*out[i] -= in[i];*/
}
#endif
count++;
fwrite(out+skip*channels, sizeof(short), (ret-skip)*channels, fout);
skip = 0;
}
PRINT_MIPS(stderr);
opus_custom_encoder_destroy(enc);
opus_custom_decoder_destroy(dec);
fclose(fin);
fclose(fout);
opus_custom_mode_destroy(mode);
free(in);
free(out);
#if !(defined (FIXED_POINT) && !defined(CUSTOM_MODES)) && defined(RESYNTH)
if (rmsd > 0)
{
rmsd = sqrt(rmsd/(1.0*frame_size*channels*count));
fprintf (stderr, "Error: encoder doesn't match decoder\n");
fprintf (stderr, "RMS mismatch is %f\n", rmsd);
return 1;
} else {
fprintf (stderr, "Encoder matches decoder!!\n");
}
#endif
return 0;
}
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