886 lines
34 KiB
C
886 lines
34 KiB
C
/* Copyright (c) 2007-2008 CSIRO
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Copyright (c) 2007-2009 Xiph.Org Foundation
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Written by Jean-Marc Valin */
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/*
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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- Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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- Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
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OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifdef OPUS_ENABLED
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#include "opus/opus_config.h"
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <math.h>
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#include <string.h>
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#include "opus/opus.h"
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#include "opus/silk/debug.h"
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#include "opus/opus_types.h"
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#include "opus/opus_private.h"
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#include "opus/opus_multistream.h"
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#define MAX_PACKET 1500
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void print_usage( char* argv[] )
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{
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fprintf(stderr, "Usage: %s [-e] <application> <sampling rate (Hz)> <channels (1/2)> "
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"<bits per second> [options] <input> <output>\n", argv[0]);
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fprintf(stderr, " %s -d <sampling rate (Hz)> <channels (1/2)> "
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"[options] <input> <output>\n\n", argv[0]);
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fprintf(stderr, "mode: voip | audio | restricted-lowdelay\n" );
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fprintf(stderr, "options:\n" );
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fprintf(stderr, "-e : only runs the encoder (output the bit-stream)\n" );
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fprintf(stderr, "-d : only runs the decoder (reads the bit-stream as input)\n" );
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fprintf(stderr, "-cbr : enable constant bitrate; default: variable bitrate\n" );
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fprintf(stderr, "-cvbr : enable constrained variable bitrate; default: unconstrained\n" );
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fprintf(stderr, "-variable-duration : enable frames of variable duration (experts only); default: disabled\n" );
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fprintf(stderr, "-bandwidth <NB|MB|WB|SWB|FB> : audio bandwidth (from narrowband to fullband); default: sampling rate\n" );
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fprintf(stderr, "-framesize <2.5|5|10|20|40|60> : frame size in ms; default: 20 \n" );
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fprintf(stderr, "-max_payload <bytes> : maximum payload size in bytes, default: 1024\n" );
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fprintf(stderr, "-complexity <comp> : complexity, 0 (lowest) ... 10 (highest); default: 10\n" );
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fprintf(stderr, "-inbandfec : enable SILK inband FEC\n" );
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fprintf(stderr, "-forcemono : force mono encoding, even for stereo input\n" );
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fprintf(stderr, "-dtx : enable SILK DTX\n" );
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fprintf(stderr, "-loss <perc> : simulate packet loss, in percent (0-100); default: 0\n" );
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}
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static void int_to_char(opus_uint32 i, unsigned char ch[4])
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{
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ch[0] = i>>24;
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ch[1] = (i>>16)&0xFF;
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ch[2] = (i>>8)&0xFF;
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ch[3] = i&0xFF;
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}
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static opus_uint32 char_to_int(unsigned char ch[4])
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{
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return ((opus_uint32)ch[0]<<24) | ((opus_uint32)ch[1]<<16)
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| ((opus_uint32)ch[2]<< 8) | (opus_uint32)ch[3];
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}
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static void check_encoder_option(int decode_only, const char *opt)
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{
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if (decode_only)
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{
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fprintf(stderr, "option %s is only for encoding\n", opt);
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exit(EXIT_FAILURE);
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}
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}
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static const int silk8_test[][4] = {
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{MODE_SILK_ONLY, OPUS_BANDWIDTH_NARROWBAND, 960*3, 1},
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{MODE_SILK_ONLY, OPUS_BANDWIDTH_NARROWBAND, 960*2, 1},
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{MODE_SILK_ONLY, OPUS_BANDWIDTH_NARROWBAND, 960, 1},
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{MODE_SILK_ONLY, OPUS_BANDWIDTH_NARROWBAND, 480, 1},
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{MODE_SILK_ONLY, OPUS_BANDWIDTH_NARROWBAND, 960*3, 2},
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{MODE_SILK_ONLY, OPUS_BANDWIDTH_NARROWBAND, 960*2, 2},
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{MODE_SILK_ONLY, OPUS_BANDWIDTH_NARROWBAND, 960, 2},
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{MODE_SILK_ONLY, OPUS_BANDWIDTH_NARROWBAND, 480, 2}
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};
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static const int silk12_test[][4] = {
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{MODE_SILK_ONLY, OPUS_BANDWIDTH_MEDIUMBAND, 960*3, 1},
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{MODE_SILK_ONLY, OPUS_BANDWIDTH_MEDIUMBAND, 960*2, 1},
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{MODE_SILK_ONLY, OPUS_BANDWIDTH_MEDIUMBAND, 960, 1},
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{MODE_SILK_ONLY, OPUS_BANDWIDTH_MEDIUMBAND, 480, 1},
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{MODE_SILK_ONLY, OPUS_BANDWIDTH_MEDIUMBAND, 960*3, 2},
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{MODE_SILK_ONLY, OPUS_BANDWIDTH_MEDIUMBAND, 960*2, 2},
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{MODE_SILK_ONLY, OPUS_BANDWIDTH_MEDIUMBAND, 960, 2},
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{MODE_SILK_ONLY, OPUS_BANDWIDTH_MEDIUMBAND, 480, 2}
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};
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static const int silk16_test[][4] = {
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{MODE_SILK_ONLY, OPUS_BANDWIDTH_WIDEBAND, 960*3, 1},
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{MODE_SILK_ONLY, OPUS_BANDWIDTH_WIDEBAND, 960*2, 1},
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{MODE_SILK_ONLY, OPUS_BANDWIDTH_WIDEBAND, 960, 1},
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{MODE_SILK_ONLY, OPUS_BANDWIDTH_WIDEBAND, 480, 1},
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{MODE_SILK_ONLY, OPUS_BANDWIDTH_WIDEBAND, 960*3, 2},
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{MODE_SILK_ONLY, OPUS_BANDWIDTH_WIDEBAND, 960*2, 2},
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{MODE_SILK_ONLY, OPUS_BANDWIDTH_WIDEBAND, 960, 2},
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{MODE_SILK_ONLY, OPUS_BANDWIDTH_WIDEBAND, 480, 2}
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};
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static const int hybrid24_test[][4] = {
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{MODE_SILK_ONLY, OPUS_BANDWIDTH_SUPERWIDEBAND, 960, 1},
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{MODE_SILK_ONLY, OPUS_BANDWIDTH_SUPERWIDEBAND, 480, 1},
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{MODE_SILK_ONLY, OPUS_BANDWIDTH_SUPERWIDEBAND, 960, 2},
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{MODE_SILK_ONLY, OPUS_BANDWIDTH_SUPERWIDEBAND, 480, 2}
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};
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static const int hybrid48_test[][4] = {
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{MODE_SILK_ONLY, OPUS_BANDWIDTH_FULLBAND, 960, 1},
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{MODE_SILK_ONLY, OPUS_BANDWIDTH_FULLBAND, 480, 1},
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{MODE_SILK_ONLY, OPUS_BANDWIDTH_FULLBAND, 960, 2},
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{MODE_SILK_ONLY, OPUS_BANDWIDTH_FULLBAND, 480, 2}
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};
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static const int celt_test[][4] = {
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{MODE_CELT_ONLY, OPUS_BANDWIDTH_FULLBAND, 960, 1},
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{MODE_CELT_ONLY, OPUS_BANDWIDTH_SUPERWIDEBAND, 960, 1},
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{MODE_CELT_ONLY, OPUS_BANDWIDTH_WIDEBAND, 960, 1},
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{MODE_CELT_ONLY, OPUS_BANDWIDTH_NARROWBAND, 960, 1},
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{MODE_CELT_ONLY, OPUS_BANDWIDTH_FULLBAND, 480, 1},
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{MODE_CELT_ONLY, OPUS_BANDWIDTH_SUPERWIDEBAND, 480, 1},
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{MODE_CELT_ONLY, OPUS_BANDWIDTH_WIDEBAND, 480, 1},
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{MODE_CELT_ONLY, OPUS_BANDWIDTH_NARROWBAND, 480, 1},
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{MODE_CELT_ONLY, OPUS_BANDWIDTH_FULLBAND, 240, 1},
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{MODE_CELT_ONLY, OPUS_BANDWIDTH_SUPERWIDEBAND, 240, 1},
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{MODE_CELT_ONLY, OPUS_BANDWIDTH_WIDEBAND, 240, 1},
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{MODE_CELT_ONLY, OPUS_BANDWIDTH_NARROWBAND, 240, 1},
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{MODE_CELT_ONLY, OPUS_BANDWIDTH_FULLBAND, 120, 1},
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{MODE_CELT_ONLY, OPUS_BANDWIDTH_SUPERWIDEBAND, 120, 1},
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{MODE_CELT_ONLY, OPUS_BANDWIDTH_WIDEBAND, 120, 1},
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{MODE_CELT_ONLY, OPUS_BANDWIDTH_NARROWBAND, 120, 1},
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{MODE_CELT_ONLY, OPUS_BANDWIDTH_FULLBAND, 960, 2},
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{MODE_CELT_ONLY, OPUS_BANDWIDTH_SUPERWIDEBAND, 960, 2},
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{MODE_CELT_ONLY, OPUS_BANDWIDTH_WIDEBAND, 960, 2},
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{MODE_CELT_ONLY, OPUS_BANDWIDTH_NARROWBAND, 960, 2},
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{MODE_CELT_ONLY, OPUS_BANDWIDTH_FULLBAND, 480, 2},
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{MODE_CELT_ONLY, OPUS_BANDWIDTH_SUPERWIDEBAND, 480, 2},
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{MODE_CELT_ONLY, OPUS_BANDWIDTH_WIDEBAND, 480, 2},
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{MODE_CELT_ONLY, OPUS_BANDWIDTH_NARROWBAND, 480, 2},
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{MODE_CELT_ONLY, OPUS_BANDWIDTH_FULLBAND, 240, 2},
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{MODE_CELT_ONLY, OPUS_BANDWIDTH_SUPERWIDEBAND, 240, 2},
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{MODE_CELT_ONLY, OPUS_BANDWIDTH_WIDEBAND, 240, 2},
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{MODE_CELT_ONLY, OPUS_BANDWIDTH_NARROWBAND, 240, 2},
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{MODE_CELT_ONLY, OPUS_BANDWIDTH_FULLBAND, 120, 2},
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{MODE_CELT_ONLY, OPUS_BANDWIDTH_SUPERWIDEBAND, 120, 2},
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{MODE_CELT_ONLY, OPUS_BANDWIDTH_WIDEBAND, 120, 2},
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{MODE_CELT_ONLY, OPUS_BANDWIDTH_NARROWBAND, 120, 2},
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};
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static const int celt_hq_test[][4] = {
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{MODE_CELT_ONLY, OPUS_BANDWIDTH_FULLBAND, 960, 2},
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{MODE_CELT_ONLY, OPUS_BANDWIDTH_FULLBAND, 480, 2},
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{MODE_CELT_ONLY, OPUS_BANDWIDTH_FULLBAND, 240, 2},
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{MODE_CELT_ONLY, OPUS_BANDWIDTH_FULLBAND, 120, 2},
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};
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#if 0 /* This is a hack that replaces the normal encoder/decoder with the multistream version */
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#define OpusEncoder OpusMSEncoder
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#define OpusDecoder OpusMSDecoder
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#define opus_encode opus_multistream_encode
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#define opus_decode opus_multistream_decode
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#define opus_encoder_ctl opus_multistream_encoder_ctl
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#define opus_decoder_ctl opus_multistream_decoder_ctl
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#define opus_encoder_create ms_opus_encoder_create
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#define opus_decoder_create ms_opus_decoder_create
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#define opus_encoder_destroy opus_multistream_encoder_destroy
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#define opus_decoder_destroy opus_multistream_decoder_destroy
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static OpusEncoder *ms_opus_encoder_create(opus_int32 Fs, int channels, int application, int *error)
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{
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int streams, coupled_streams;
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unsigned char mapping[256];
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return (OpusEncoder *)opus_multistream_surround_encoder_create(Fs, channels, 1, &streams, &coupled_streams, mapping, application, error);
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}
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static OpusDecoder *ms_opus_decoder_create(opus_int32 Fs, int channels, int *error)
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{
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int streams;
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int coupled_streams;
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unsigned char mapping[256]={0,1};
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streams = 1;
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coupled_streams = channels==2;
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return (OpusDecoder *)opus_multistream_decoder_create(Fs, channels, streams, coupled_streams, mapping, error);
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}
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#endif
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int main(int argc, char *argv[])
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{
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int err;
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char *inFile, *outFile;
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FILE *fin, *fout;
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OpusEncoder *enc=NULL;
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OpusDecoder *dec=NULL;
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int args;
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int len[2];
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int frame_size, channels;
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opus_int32 bitrate_bps=0;
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unsigned char *data[2];
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unsigned char *fbytes;
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opus_int32 sampling_rate;
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int use_vbr;
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int max_payload_bytes;
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int complexity;
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int use_inbandfec;
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int use_dtx;
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int forcechannels;
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int cvbr = 0;
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int packet_loss_perc;
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opus_int32 count=0, count_act=0;
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int k;
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opus_int32 skip=0;
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int stop=0;
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short *in, *out;
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int application=OPUS_APPLICATION_AUDIO;
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double bits=0.0, bits_max=0.0, bits_act=0.0, bits2=0.0, nrg;
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double tot_samples=0;
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opus_uint64 tot_in, tot_out;
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int bandwidth=-1;
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const char *bandwidth_string;
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int lost = 0, lost_prev = 1;
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int toggle = 0;
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opus_uint32 enc_final_range[2];
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opus_uint32 dec_final_range;
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int encode_only=0, decode_only=0;
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int max_frame_size = 960*6;
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int curr_read=0;
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int sweep_bps = 0;
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int random_framesize=0, newsize=0, delayed_celt=0;
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int sweep_max=0, sweep_min=0;
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int random_fec=0;
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const int (*mode_list)[4]=NULL;
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int nb_modes_in_list=0;
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int curr_mode=0;
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int curr_mode_count=0;
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int mode_switch_time = 48000;
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int nb_encoded=0;
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int remaining=0;
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int variable_duration=OPUS_FRAMESIZE_ARG;
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int delayed_decision=0;
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if (argc < 5 )
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{
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print_usage( argv );
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return EXIT_FAILURE;
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}
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tot_in=tot_out=0;
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fprintf(stderr, "%s\n", opus_get_version_string());
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args = 1;
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if (strcmp(argv[args], "-e")==0)
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{
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encode_only = 1;
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args++;
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} else if (strcmp(argv[args], "-d")==0)
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{
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decode_only = 1;
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args++;
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}
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if (!decode_only && argc < 7 )
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{
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print_usage( argv );
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return EXIT_FAILURE;
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}
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if (!decode_only)
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{
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if (strcmp(argv[args], "voip")==0)
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application = OPUS_APPLICATION_VOIP;
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else if (strcmp(argv[args], "restricted-lowdelay")==0)
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application = OPUS_APPLICATION_RESTRICTED_LOWDELAY;
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else if (strcmp(argv[args], "audio")!=0) {
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fprintf(stderr, "unknown application: %s\n", argv[args]);
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print_usage(argv);
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return EXIT_FAILURE;
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}
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args++;
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}
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sampling_rate = (opus_int32)atol(argv[args]);
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args++;
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if (sampling_rate != 8000 && sampling_rate != 12000
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&& sampling_rate != 16000 && sampling_rate != 24000
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&& sampling_rate != 48000)
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{
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fprintf(stderr, "Supported sampling rates are 8000, 12000, "
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"16000, 24000 and 48000.\n");
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return EXIT_FAILURE;
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}
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frame_size = sampling_rate/50;
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channels = atoi(argv[args]);
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args++;
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if (channels < 1 || channels > 2)
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{
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fprintf(stderr, "Opus_demo supports only 1 or 2 channels.\n");
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return EXIT_FAILURE;
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}
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if (!decode_only)
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{
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bitrate_bps = (opus_int32)atol(argv[args]);
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args++;
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}
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/* defaults: */
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use_vbr = 1;
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bandwidth = OPUS_AUTO;
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max_payload_bytes = MAX_PACKET;
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complexity = 10;
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use_inbandfec = 0;
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forcechannels = OPUS_AUTO;
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use_dtx = 0;
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packet_loss_perc = 0;
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max_frame_size = 2*48000;
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curr_read=0;
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while( args < argc - 2 ) {
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/* process command line options */
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if( strcmp( argv[ args ], "-cbr" ) == 0 ) {
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check_encoder_option(decode_only, "-cbr");
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use_vbr = 0;
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args++;
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} else if( strcmp( argv[ args ], "-bandwidth" ) == 0 ) {
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check_encoder_option(decode_only, "-bandwidth");
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if (strcmp(argv[ args + 1 ], "NB")==0)
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bandwidth = OPUS_BANDWIDTH_NARROWBAND;
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else if (strcmp(argv[ args + 1 ], "MB")==0)
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bandwidth = OPUS_BANDWIDTH_MEDIUMBAND;
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else if (strcmp(argv[ args + 1 ], "WB")==0)
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bandwidth = OPUS_BANDWIDTH_WIDEBAND;
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else if (strcmp(argv[ args + 1 ], "SWB")==0)
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bandwidth = OPUS_BANDWIDTH_SUPERWIDEBAND;
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else if (strcmp(argv[ args + 1 ], "FB")==0)
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bandwidth = OPUS_BANDWIDTH_FULLBAND;
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else {
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fprintf(stderr, "Unknown bandwidth %s. "
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"Supported are NB, MB, WB, SWB, FB.\n",
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argv[ args + 1 ]);
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return EXIT_FAILURE;
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}
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args += 2;
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} else if( strcmp( argv[ args ], "-framesize" ) == 0 ) {
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check_encoder_option(decode_only, "-framesize");
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if (strcmp(argv[ args + 1 ], "2.5")==0)
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frame_size = sampling_rate/400;
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else if (strcmp(argv[ args + 1 ], "5")==0)
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frame_size = sampling_rate/200;
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else if (strcmp(argv[ args + 1 ], "10")==0)
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frame_size = sampling_rate/100;
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else if (strcmp(argv[ args + 1 ], "20")==0)
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frame_size = sampling_rate/50;
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else if (strcmp(argv[ args + 1 ], "40")==0)
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frame_size = sampling_rate/25;
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else if (strcmp(argv[ args + 1 ], "60")==0)
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frame_size = 3*sampling_rate/50;
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else {
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fprintf(stderr, "Unsupported frame size: %s ms. "
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"Supported are 2.5, 5, 10, 20, 40, 60.\n",
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argv[ args + 1 ]);
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return EXIT_FAILURE;
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}
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args += 2;
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} else if( strcmp( argv[ args ], "-max_payload" ) == 0 ) {
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check_encoder_option(decode_only, "-max_payload");
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max_payload_bytes = atoi( argv[ args + 1 ] );
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args += 2;
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} else if( strcmp( argv[ args ], "-complexity" ) == 0 ) {
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check_encoder_option(decode_only, "-complexity");
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complexity = atoi( argv[ args + 1 ] );
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args += 2;
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} else if( strcmp( argv[ args ], "-inbandfec" ) == 0 ) {
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use_inbandfec = 1;
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args++;
|
|
} else if( strcmp( argv[ args ], "-forcemono" ) == 0 ) {
|
|
check_encoder_option(decode_only, "-forcemono");
|
|
forcechannels = 1;
|
|
args++;
|
|
} else if( strcmp( argv[ args ], "-cvbr" ) == 0 ) {
|
|
check_encoder_option(decode_only, "-cvbr");
|
|
cvbr = 1;
|
|
args++;
|
|
} else if( strcmp( argv[ args ], "-variable-duration" ) == 0 ) {
|
|
check_encoder_option(decode_only, "-variable-duration");
|
|
variable_duration = OPUS_FRAMESIZE_VARIABLE;
|
|
args++;
|
|
} else if( strcmp( argv[ args ], "-delayed-decision" ) == 0 ) {
|
|
check_encoder_option(decode_only, "-delayed-decision");
|
|
delayed_decision = 1;
|
|
args++;
|
|
} else if( strcmp( argv[ args ], "-dtx") == 0 ) {
|
|
check_encoder_option(decode_only, "-dtx");
|
|
use_dtx = 1;
|
|
args++;
|
|
} else if( strcmp( argv[ args ], "-loss" ) == 0 ) {
|
|
packet_loss_perc = atoi( argv[ args + 1 ] );
|
|
args += 2;
|
|
} else if( strcmp( argv[ args ], "-sweep" ) == 0 ) {
|
|
check_encoder_option(decode_only, "-sweep");
|
|
sweep_bps = atoi( argv[ args + 1 ] );
|
|
args += 2;
|
|
} else if( strcmp( argv[ args ], "-random_framesize" ) == 0 ) {
|
|
check_encoder_option(decode_only, "-random_framesize");
|
|
random_framesize = 1;
|
|
args++;
|
|
} else if( strcmp( argv[ args ], "-sweep_max" ) == 0 ) {
|
|
check_encoder_option(decode_only, "-sweep_max");
|
|
sweep_max = atoi( argv[ args + 1 ] );
|
|
args += 2;
|
|
} else if( strcmp( argv[ args ], "-random_fec" ) == 0 ) {
|
|
check_encoder_option(decode_only, "-random_fec");
|
|
random_fec = 1;
|
|
args++;
|
|
} else if( strcmp( argv[ args ], "-silk8k_test" ) == 0 ) {
|
|
check_encoder_option(decode_only, "-silk8k_test");
|
|
mode_list = silk8_test;
|
|
nb_modes_in_list = 8;
|
|
args++;
|
|
} else if( strcmp( argv[ args ], "-silk12k_test" ) == 0 ) {
|
|
check_encoder_option(decode_only, "-silk12k_test");
|
|
mode_list = silk12_test;
|
|
nb_modes_in_list = 8;
|
|
args++;
|
|
} else if( strcmp( argv[ args ], "-silk16k_test" ) == 0 ) {
|
|
check_encoder_option(decode_only, "-silk16k_test");
|
|
mode_list = silk16_test;
|
|
nb_modes_in_list = 8;
|
|
args++;
|
|
} else if( strcmp( argv[ args ], "-hybrid24k_test" ) == 0 ) {
|
|
check_encoder_option(decode_only, "-hybrid24k_test");
|
|
mode_list = hybrid24_test;
|
|
nb_modes_in_list = 4;
|
|
args++;
|
|
} else if( strcmp( argv[ args ], "-hybrid48k_test" ) == 0 ) {
|
|
check_encoder_option(decode_only, "-hybrid48k_test");
|
|
mode_list = hybrid48_test;
|
|
nb_modes_in_list = 4;
|
|
args++;
|
|
} else if( strcmp( argv[ args ], "-celt_test" ) == 0 ) {
|
|
check_encoder_option(decode_only, "-celt_test");
|
|
mode_list = celt_test;
|
|
nb_modes_in_list = 32;
|
|
args++;
|
|
} else if( strcmp( argv[ args ], "-celt_hq_test" ) == 0 ) {
|
|
check_encoder_option(decode_only, "-celt_hq_test");
|
|
mode_list = celt_hq_test;
|
|
nb_modes_in_list = 4;
|
|
args++;
|
|
} else {
|
|
printf( "Error: unrecognized setting: %s\n\n", argv[ args ] );
|
|
print_usage( argv );
|
|
return EXIT_FAILURE;
|
|
}
|
|
}
|
|
|
|
if (sweep_max)
|
|
sweep_min = bitrate_bps;
|
|
|
|
if (max_payload_bytes < 0 || max_payload_bytes > MAX_PACKET)
|
|
{
|
|
fprintf (stderr, "max_payload_bytes must be between 0 and %d\n",
|
|
MAX_PACKET);
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
inFile = argv[argc-2];
|
|
fin = fopen(inFile, "rb");
|
|
if (!fin)
|
|
{
|
|
fprintf (stderr, "Could not open input file %s\n", argv[argc-2]);
|
|
return EXIT_FAILURE;
|
|
}
|
|
if (mode_list)
|
|
{
|
|
int size;
|
|
fseek(fin, 0, SEEK_END);
|
|
size = ftell(fin);
|
|
fprintf(stderr, "File size is %d bytes\n", size);
|
|
fseek(fin, 0, SEEK_SET);
|
|
mode_switch_time = size/sizeof(short)/channels/nb_modes_in_list;
|
|
fprintf(stderr, "Switching mode every %d samples\n", mode_switch_time);
|
|
}
|
|
|
|
outFile = argv[argc-1];
|
|
fout = fopen(outFile, "wb+");
|
|
if (!fout)
|
|
{
|
|
fprintf (stderr, "Could not open output file %s\n", argv[argc-1]);
|
|
fclose(fin);
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
if (!decode_only)
|
|
{
|
|
enc = opus_encoder_create(sampling_rate, channels, application, &err);
|
|
if (err != OPUS_OK)
|
|
{
|
|
fprintf(stderr, "Cannot create encoder: %s\n", opus_strerror(err));
|
|
fclose(fin);
|
|
fclose(fout);
|
|
return EXIT_FAILURE;
|
|
}
|
|
opus_encoder_ctl(enc, OPUS_SET_BITRATE(bitrate_bps));
|
|
opus_encoder_ctl(enc, OPUS_SET_BANDWIDTH(bandwidth));
|
|
opus_encoder_ctl(enc, OPUS_SET_VBR(use_vbr));
|
|
opus_encoder_ctl(enc, OPUS_SET_VBR_CONSTRAINT(cvbr));
|
|
opus_encoder_ctl(enc, OPUS_SET_COMPLEXITY(complexity));
|
|
opus_encoder_ctl(enc, OPUS_SET_INBAND_FEC(use_inbandfec));
|
|
opus_encoder_ctl(enc, OPUS_SET_FORCE_CHANNELS(forcechannels));
|
|
opus_encoder_ctl(enc, OPUS_SET_DTX(use_dtx));
|
|
opus_encoder_ctl(enc, OPUS_SET_PACKET_LOSS_PERC(packet_loss_perc));
|
|
|
|
opus_encoder_ctl(enc, OPUS_GET_LOOKAHEAD(&skip));
|
|
opus_encoder_ctl(enc, OPUS_SET_LSB_DEPTH(16));
|
|
opus_encoder_ctl(enc, OPUS_SET_EXPERT_FRAME_DURATION(variable_duration));
|
|
}
|
|
if (!encode_only)
|
|
{
|
|
dec = opus_decoder_create(sampling_rate, channels, &err);
|
|
if (err != OPUS_OK)
|
|
{
|
|
fprintf(stderr, "Cannot create decoder: %s\n", opus_strerror(err));
|
|
fclose(fin);
|
|
fclose(fout);
|
|
return EXIT_FAILURE;
|
|
}
|
|
}
|
|
|
|
|
|
switch(bandwidth)
|
|
{
|
|
case OPUS_BANDWIDTH_NARROWBAND:
|
|
bandwidth_string = "narrowband";
|
|
break;
|
|
case OPUS_BANDWIDTH_MEDIUMBAND:
|
|
bandwidth_string = "mediumband";
|
|
break;
|
|
case OPUS_BANDWIDTH_WIDEBAND:
|
|
bandwidth_string = "wideband";
|
|
break;
|
|
case OPUS_BANDWIDTH_SUPERWIDEBAND:
|
|
bandwidth_string = "superwideband";
|
|
break;
|
|
case OPUS_BANDWIDTH_FULLBAND:
|
|
bandwidth_string = "fullband";
|
|
break;
|
|
case OPUS_AUTO:
|
|
bandwidth_string = "auto";
|
|
break;
|
|
default:
|
|
bandwidth_string = "unknown";
|
|
break;
|
|
}
|
|
|
|
if (decode_only)
|
|
fprintf(stderr, "Decoding with %ld Hz output (%d channels)\n",
|
|
(long)sampling_rate, channels);
|
|
else
|
|
fprintf(stderr, "Encoding %ld Hz input at %.3f kb/s "
|
|
"in %s mode with %d-sample frames.\n",
|
|
(long)sampling_rate, bitrate_bps*0.001,
|
|
bandwidth_string, frame_size);
|
|
|
|
in = (short*)malloc(max_frame_size*channels*sizeof(short));
|
|
out = (short*)malloc(max_frame_size*channels*sizeof(short));
|
|
fbytes = (unsigned char*)malloc(max_frame_size*channels*sizeof(short));
|
|
data[0] = (unsigned char*)calloc(max_payload_bytes,sizeof(char));
|
|
if ( use_inbandfec ) {
|
|
data[1] = (unsigned char*)calloc(max_payload_bytes,sizeof(char));
|
|
}
|
|
if(delayed_decision)
|
|
{
|
|
if (variable_duration!=OPUS_FRAMESIZE_VARIABLE)
|
|
{
|
|
if (frame_size==sampling_rate/400)
|
|
variable_duration = OPUS_FRAMESIZE_2_5_MS;
|
|
else if (frame_size==sampling_rate/200)
|
|
variable_duration = OPUS_FRAMESIZE_5_MS;
|
|
else if (frame_size==sampling_rate/100)
|
|
variable_duration = OPUS_FRAMESIZE_10_MS;
|
|
else if (frame_size==sampling_rate/50)
|
|
variable_duration = OPUS_FRAMESIZE_20_MS;
|
|
else if (frame_size==sampling_rate/25)
|
|
variable_duration = OPUS_FRAMESIZE_40_MS;
|
|
else
|
|
variable_duration = OPUS_FRAMESIZE_60_MS;
|
|
opus_encoder_ctl(enc, OPUS_SET_EXPERT_FRAME_DURATION(variable_duration));
|
|
}
|
|
frame_size = 2*48000;
|
|
}
|
|
while (!stop)
|
|
{
|
|
if (delayed_celt)
|
|
{
|
|
frame_size = newsize;
|
|
delayed_celt = 0;
|
|
} else if (random_framesize && rand()%20==0)
|
|
{
|
|
newsize = rand()%6;
|
|
switch(newsize)
|
|
{
|
|
case 0: newsize=sampling_rate/400; break;
|
|
case 1: newsize=sampling_rate/200; break;
|
|
case 2: newsize=sampling_rate/100; break;
|
|
case 3: newsize=sampling_rate/50; break;
|
|
case 4: newsize=sampling_rate/25; break;
|
|
case 5: newsize=3*sampling_rate/50; break;
|
|
}
|
|
while (newsize < sampling_rate/25 && bitrate_bps-fabs(sweep_bps) <= 3*12*sampling_rate/newsize)
|
|
newsize*=2;
|
|
if (newsize < sampling_rate/100 && frame_size >= sampling_rate/100)
|
|
{
|
|
opus_encoder_ctl(enc, OPUS_SET_FORCE_MODE(MODE_CELT_ONLY));
|
|
delayed_celt=1;
|
|
} else {
|
|
frame_size = newsize;
|
|
}
|
|
}
|
|
if (random_fec && rand()%30==0)
|
|
{
|
|
opus_encoder_ctl(enc, OPUS_SET_INBAND_FEC(rand()%4==0));
|
|
}
|
|
if (decode_only)
|
|
{
|
|
unsigned char ch[4];
|
|
err = fread(ch, 1, 4, fin);
|
|
if (feof(fin))
|
|
break;
|
|
len[toggle] = char_to_int(ch);
|
|
if (len[toggle]>max_payload_bytes || len[toggle]<0)
|
|
{
|
|
fprintf(stderr, "Invalid payload length: %d\n",len[toggle]);
|
|
break;
|
|
}
|
|
err = fread(ch, 1, 4, fin);
|
|
enc_final_range[toggle] = char_to_int(ch);
|
|
err = fread(data[toggle], 1, len[toggle], fin);
|
|
if (err<len[toggle])
|
|
{
|
|
fprintf(stderr, "Ran out of input, "
|
|
"expecting %d bytes got %d\n",
|
|
len[toggle],err);
|
|
break;
|
|
}
|
|
} else {
|
|
int i;
|
|
if (mode_list!=NULL)
|
|
{
|
|
opus_encoder_ctl(enc, OPUS_SET_BANDWIDTH(mode_list[curr_mode][1]));
|
|
opus_encoder_ctl(enc, OPUS_SET_FORCE_MODE(mode_list[curr_mode][0]));
|
|
opus_encoder_ctl(enc, OPUS_SET_FORCE_CHANNELS(mode_list[curr_mode][3]));
|
|
frame_size = mode_list[curr_mode][2];
|
|
}
|
|
err = fread(fbytes, sizeof(short)*channels, frame_size-remaining, fin);
|
|
curr_read = err;
|
|
tot_in += curr_read;
|
|
for(i=0;i<curr_read*channels;i++)
|
|
{
|
|
opus_int32 s;
|
|
s=fbytes[2*i+1]<<8|fbytes[2*i];
|
|
s=((s&0xFFFF)^0x8000)-0x8000;
|
|
in[i+remaining*channels]=s;
|
|
}
|
|
if (curr_read+remaining < frame_size)
|
|
{
|
|
for (i=(curr_read+remaining)*channels;i<frame_size*channels;i++)
|
|
in[i] = 0;
|
|
if (encode_only || decode_only)
|
|
stop = 1;
|
|
}
|
|
len[toggle] = opus_encode(enc, in, frame_size, data[toggle], max_payload_bytes);
|
|
nb_encoded = opus_packet_get_samples_per_frame(data[toggle], sampling_rate)*opus_packet_get_nb_frames(data[toggle], len[toggle]);
|
|
remaining = frame_size-nb_encoded;
|
|
for(i=0;i<remaining*channels;i++)
|
|
in[i] = in[nb_encoded*channels+i];
|
|
if (sweep_bps!=0)
|
|
{
|
|
bitrate_bps += sweep_bps;
|
|
if (sweep_max)
|
|
{
|
|
if (bitrate_bps > sweep_max)
|
|
sweep_bps = -sweep_bps;
|
|
else if (bitrate_bps < sweep_min)
|
|
sweep_bps = -sweep_bps;
|
|
}
|
|
/* safety */
|
|
if (bitrate_bps<1000)
|
|
bitrate_bps = 1000;
|
|
opus_encoder_ctl(enc, OPUS_SET_BITRATE(bitrate_bps));
|
|
}
|
|
opus_encoder_ctl(enc, OPUS_GET_FINAL_RANGE(&enc_final_range[toggle]));
|
|
if (len[toggle] < 0)
|
|
{
|
|
fprintf (stderr, "opus_encode() returned %d\n", len[toggle]);
|
|
fclose(fin);
|
|
fclose(fout);
|
|
return EXIT_FAILURE;
|
|
}
|
|
curr_mode_count += frame_size;
|
|
if (curr_mode_count > mode_switch_time && curr_mode < nb_modes_in_list-1)
|
|
{
|
|
curr_mode++;
|
|
curr_mode_count = 0;
|
|
}
|
|
}
|
|
|
|
#if 0 /* This is for testing the padding code, do not enable by default */
|
|
if (len[toggle]<1275)
|
|
{
|
|
int new_len = len[toggle]+rand()%(max_payload_bytes-len[toggle]);
|
|
if ((err = opus_packet_pad(data[toggle], len[toggle], new_len)) != OPUS_OK)
|
|
{
|
|
fprintf(stderr, "padding failed: %s\n", opus_strerror(err));
|
|
return EXIT_FAILURE;
|
|
}
|
|
len[toggle] = new_len;
|
|
}
|
|
#endif
|
|
if (encode_only)
|
|
{
|
|
unsigned char int_field[4];
|
|
int_to_char(len[toggle], int_field);
|
|
if (fwrite(int_field, 1, 4, fout) != 4) {
|
|
fprintf(stderr, "Error writing.\n");
|
|
return EXIT_FAILURE;
|
|
}
|
|
int_to_char(enc_final_range[toggle], int_field);
|
|
if (fwrite(int_field, 1, 4, fout) != 4) {
|
|
fprintf(stderr, "Error writing.\n");
|
|
return EXIT_FAILURE;
|
|
}
|
|
if (fwrite(data[toggle], 1, len[toggle], fout) != (unsigned)len[toggle]) {
|
|
fprintf(stderr, "Error writing.\n");
|
|
return EXIT_FAILURE;
|
|
}
|
|
tot_samples += nb_encoded;
|
|
} else {
|
|
int output_samples;
|
|
lost = len[toggle]==0 || (packet_loss_perc>0 && rand()%100 < packet_loss_perc);
|
|
if (lost)
|
|
opus_decoder_ctl(dec, OPUS_GET_LAST_PACKET_DURATION(&output_samples));
|
|
else
|
|
output_samples = max_frame_size;
|
|
if( count >= use_inbandfec ) {
|
|
/* delay by one packet when using in-band FEC */
|
|
if( use_inbandfec ) {
|
|
if( lost_prev ) {
|
|
/* attempt to decode with in-band FEC from next packet */
|
|
opus_decoder_ctl(dec, OPUS_GET_LAST_PACKET_DURATION(&output_samples));
|
|
output_samples = opus_decode(dec, lost ? NULL : data[toggle], len[toggle], out, output_samples, 1);
|
|
} else {
|
|
/* regular decode */
|
|
output_samples = max_frame_size;
|
|
output_samples = opus_decode(dec, data[1-toggle], len[1-toggle], out, output_samples, 0);
|
|
}
|
|
} else {
|
|
output_samples = opus_decode(dec, lost ? NULL : data[toggle], len[toggle], out, output_samples, 0);
|
|
}
|
|
if (output_samples>0)
|
|
{
|
|
if (!decode_only && tot_out + output_samples > tot_in)
|
|
{
|
|
stop=1;
|
|
output_samples = tot_in-tot_out;
|
|
}
|
|
if (output_samples>skip) {
|
|
int i;
|
|
for(i=0;i<(output_samples-skip)*channels;i++)
|
|
{
|
|
short s;
|
|
s=out[i+(skip*channels)];
|
|
fbytes[2*i]=s&0xFF;
|
|
fbytes[2*i+1]=(s>>8)&0xFF;
|
|
}
|
|
if (fwrite(fbytes, sizeof(short)*channels, output_samples-skip, fout) != (unsigned)(output_samples-skip)){
|
|
fprintf(stderr, "Error writing.\n");
|
|
return EXIT_FAILURE;
|
|
}
|
|
tot_out += output_samples-skip;
|
|
}
|
|
if (output_samples<skip) skip -= output_samples;
|
|
else skip = 0;
|
|
} else {
|
|
fprintf(stderr, "error decoding frame: %s\n",
|
|
opus_strerror(output_samples));
|
|
}
|
|
tot_samples += output_samples;
|
|
}
|
|
}
|
|
|
|
if (!encode_only)
|
|
opus_decoder_ctl(dec, OPUS_GET_FINAL_RANGE(&dec_final_range));
|
|
/* compare final range encoder rng values of encoder and decoder */
|
|
if( enc_final_range[toggle^use_inbandfec]!=0 && !encode_only
|
|
&& !lost && !lost_prev
|
|
&& dec_final_range != enc_final_range[toggle^use_inbandfec] ) {
|
|
fprintf (stderr, "Error: Range coder state mismatch "
|
|
"between encoder and decoder "
|
|
"in frame %ld: 0x%8lx vs 0x%8lx\n",
|
|
(long)count,
|
|
(unsigned long)enc_final_range[toggle^use_inbandfec],
|
|
(unsigned long)dec_final_range);
|
|
fclose(fin);
|
|
fclose(fout);
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
lost_prev = lost;
|
|
|
|
/* count bits */
|
|
bits += len[toggle]*8;
|
|
bits_max = ( len[toggle]*8 > bits_max ) ? len[toggle]*8 : bits_max;
|
|
if( count >= use_inbandfec ) {
|
|
nrg = 0.0;
|
|
if (!decode_only)
|
|
{
|
|
for ( k = 0; k < frame_size * channels; k++ ) {
|
|
nrg += in[ k ] * (double)in[ k ];
|
|
}
|
|
}
|
|
if ( ( nrg / ( frame_size * channels ) ) > 1e5 ) {
|
|
bits_act += len[toggle]*8;
|
|
count_act++;
|
|
}
|
|
/* Variance */
|
|
bits2 += len[toggle]*len[toggle]*64;
|
|
}
|
|
count++;
|
|
toggle = (toggle + use_inbandfec) & 1;
|
|
}
|
|
fprintf (stderr, "average bitrate: %7.3f kb/s\n",
|
|
1e-3*bits*sampling_rate/tot_samples);
|
|
fprintf (stderr, "maximum bitrate: %7.3f kb/s\n",
|
|
1e-3*bits_max*sampling_rate/frame_size);
|
|
if (!decode_only)
|
|
fprintf (stderr, "active bitrate: %7.3f kb/s\n",
|
|
1e-3*bits_act*sampling_rate/(frame_size*(double)count_act));
|
|
fprintf (stderr, "bitrate standard deviation: %7.3f kb/s\n",
|
|
1e-3*sqrt(bits2/count - bits*bits/(count*(double)count))*sampling_rate/frame_size);
|
|
/* Close any files to which intermediate results were stored */
|
|
SILK_DEBUG_STORE_CLOSE_FILES
|
|
silk_TimerSave("opus_timing.txt");
|
|
opus_encoder_destroy(enc);
|
|
opus_decoder_destroy(dec);
|
|
free(data[0]);
|
|
if (use_inbandfec)
|
|
free(data[1]);
|
|
fclose(fin);
|
|
fclose(fout);
|
|
free(in);
|
|
free(out);
|
|
free(fbytes);
|
|
return EXIT_SUCCESS;
|
|
}
|