ref: cf60e7adec7ad575884fbdb058876fce969fa15e
parent: 01b15eb25967b9459665ffc7285bc256d0e7af32
author: Jean-Marc Valin <[email protected]>
date: Mon Jan 31 10:24:42 EST 2011
Initial support for opus_enc/opus_dec
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -8,6 +8,13 @@
pkginclude_HEADERS = opus.h
-noinst_PROGRAMS = test_opus
+noinst_PROGRAMS = test_opus opus_enc opus_dec
+
test_opus_SOURCES = test_opus.c $(top_srcdir)/silk/test/SKP_debug.c
test_opus_LDADD = libietfcodec.la $(top_builddir)/celt/libcelt/libcelt0.la $(top_builddir)/silk/libSKP_SILK_SDK.la
+
+opus_enc_SOURCES = opus_enc.c $(top_srcdir)/silk/test/SKP_debug.c
+opus_enc_LDADD = libietfcodec.la $(top_builddir)/celt/libcelt/libcelt0.la $(top_builddir)/silk/libSKP_SILK_SDK.la
+
+opus_dec_SOURCES = opus_dec.c $(top_srcdir)/silk/test/SKP_debug.c
+opus_dec_LDADD = libietfcodec.la $(top_builddir)/celt/libcelt/libcelt0.la $(top_builddir)/silk/libSKP_SILK_SDK.la
--- /dev/null
+++ b/src/opus_dec.c
@@ -1,0 +1,116 @@
+/* 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.
+
+ - Neither the name of the Xiph.org Foundation nor the names of its
+ contributors may be used to endorse or promote products derived from
+ this software without specific prior written permission.
+
+ 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 <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <string.h>
+#include "opus.h"
+
+
+#define MAX_PACKET 1275
+
+int main(int argc, char *argv[])
+{+ int err;
+ char *inFile, *outFile;
+ FILE *fin, *fout;
+ OpusDecoder *dec;
+ int len;
+ int frame_size, channels;
+ int bytes_per_packet;
+ unsigned char data[MAX_PACKET];
+ int rate;
+ int loss = 0;
+ int count = 0;
+ int stop=0;
+ int vbr=0;
+ int tot_read=0;
+ short *in, *out;
+ int mode=MODE_HYBRID;
+ double bits=0;
+ if (argc != 6 && argc != 7)
+ {+ fprintf (stderr, "Usage: test_opus <rate (kHz)> <channels> <frame size> "
+ " <bytes per packet> [<VBR rate (kb/s)>] [<packet loss rate>] "
+ "<input> <output>\n");
+ return 1;
+ }
+
+ rate = atoi(argv[1]);
+ channels = atoi(argv[2]);
+ frame_size = atoi(argv[3]);
+
+ if (argc >= 7)
+ loss = atoi(argv[4]);
+
+ 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;
+ }
+
+ dec = opus_decoder_create(rate, channels);
+
+ out = (short*)malloc(frame_size*channels*sizeof(short));
+ while (!stop)
+ {+ len = ((fgetc(fin)<<8)&0xFF00) | (fgetc(fin)&0xFF);
+ if (feof(fin) || len>MAX_PACKET)
+ break;
+ bits += len*8;
+ err = fread(data, 1, len, fin);
+ opus_decode(dec, rand()%100<loss ? NULL : data, len, out, frame_size);
+ count++;
+ fwrite(out, sizeof(short), frame_size*channels, fout);
+ }
+ fprintf (stderr, "average bit-rate: %f kb/s\n", bits*rate/(frame_size*(double)count));
+ opus_decoder_destroy(dec);
+ fclose(fin);
+ fclose(fout);
+ free(in);
+ free(out);
+ return 0;
+}
--- /dev/null
+++ b/src/opus_enc.c
@@ -1,0 +1,144 @@
+/* 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.
+
+ - Neither the name of the Xiph.org Foundation nor the names of its
+ contributors may be used to endorse or promote products derived from
+ this software without specific prior written permission.
+
+ 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 <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <string.h>
+#include "opus.h"
+
+
+#define MAX_PACKET 1024
+
+int main(int argc, char *argv[])
+{+ int err;
+ char *inFile, *outFile;
+ FILE *fin, *fout;
+ OpusEncoder *enc;
+ int len;
+ int frame_size, channels;
+ int bytes_per_packet;
+ unsigned char data[MAX_PACKET];
+ int rate;
+ int count = 0;
+ int stop=0;
+ int vbr=0;
+ int tot_read=0, tot_written=0;
+ short *in, *out;
+ int mode=MODE_HYBRID;
+ double bits=0;
+ if (argc != 9 && argc != 8 && argc != 7)
+ {+ fprintf (stderr, "Usage: test_opus <rate (kHz)> <channels> <frame size> "
+ " <bytes per packet> [<VBR rate (kb/s)>] [<packet loss rate>] "
+ "<input> <output>\n");
+ return 1;
+ }
+
+ rate = atoi(argv[1]);
+ channels = atoi(argv[2]);
+ frame_size = atoi(argv[3]);
+
+ bytes_per_packet = atoi(argv[4]);
+
+ if (argc >= 8)
+ vbr = atoi(argv[5]);
+
+ 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_encoder_create(rate, channels);
+
+ mode = MODE_HYBRID;
+ opus_encoder_ctl(enc, OPUS_SET_BANDWIDTH(BANDWIDTH_FULLBAND));
+ opus_encoder_ctl(enc, OPUS_SET_MODE(mode));
+
+ if (vbr)
+ opus_encoder_ctl(enc, OPUS_SET_VBR_RATE(vbr));
+
+ in = (short*)malloc(frame_size*channels*sizeof(short));
+ while (!stop)
+ {+ int write_samples;
+ err = fread(in, sizeof(short), frame_size*channels, fin);
+ tot_read += err;
+ if (err < frame_size*channels)
+ {+ int i;
+ for (i=err;i<frame_size*channels;i++)
+ in[i] = 0;
+ stop = 1;
+ }
+ len = opus_encode(enc, in, frame_size, data, bytes_per_packet);
+ if (len <= 0)
+ {+ fprintf (stderr, "opus_encode() returned %d\n", len);
+ return 1;
+ }
+ bits += len*8;
+ count++;
+ fputc((len>>8)&0xFF, fout);
+ fputc((len)&0xFF, fout);
+ fwrite(data, 1, len, fout);
+ }
+ fprintf (stderr, "average bit-rate: %f kb/s\n", bits*rate/(frame_size*(double)count));
+ opus_encoder_destroy(enc);
+ fclose(fin);
+ fclose(fout);
+ free(in);
+ free(out);
+ return 0;
+}