| /* 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 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 <stdio.h> |
| #include <stdlib.h> |
| #include <math.h> |
| #include <string.h> |
| #include "opus.h" |
| #include "debug.h" |
| #include "opus_types.h" |
| #include "opus_private.h" |
| |
| #define MAX_PACKET 1500 |
| |
| void print_usage( char* argv[] ) |
| { |
| fprintf(stderr, "Usage: %s [-e] <application> <sampling rate (Hz)> <channels (1/2)> " |
| "<bits per second> [options] <input> <output>\n", argv[0]); |
| fprintf(stderr, " %s -d <sampling rate (Hz)> <channels (1/2)> " |
| "[options] <input> <output>\n\n", argv[0]); |
| fprintf(stderr, "mode: voip | audio | restricted-lowdelay\n" ); |
| fprintf(stderr, "options:\n" ); |
| fprintf(stderr, "-e : only runs the encoder (output the bit-stream)\n" ); |
| fprintf(stderr, "-d : only runs the decoder (reads the bit-stream as input)\n" ); |
| fprintf(stderr, "-cbr : enable constant bitrate; default: variable bitrate\n" ); |
| fprintf(stderr, "-cvbr : enable constrained variable bitrate; default: unconstrained\n" ); |
| fprintf(stderr, "-bandwidth <NB|MB|WB|SWB|FB> : audio bandwidth (from narrowband to fullband); default: sampling rate\n" ); |
| fprintf(stderr, "-framesize <2.5|5|10|20|40|60> : frame size in ms; default: 20 \n" ); |
| fprintf(stderr, "-max_payload <bytes> : maximum payload size in bytes, default: 1024\n" ); |
| fprintf(stderr, "-complexity <comp> : complexity, 0 (lowest) ... 10 (highest); default: 10\n" ); |
| fprintf(stderr, "-inbandfec : enable SILK inband FEC\n" ); |
| fprintf(stderr, "-forcemono : force mono encoding, even for stereo input\n" ); |
| fprintf(stderr, "-dtx : enable SILK DTX\n" ); |
| fprintf(stderr, "-loss <perc> : simulate packet loss, in percent (0-100); default: 0\n" ); |
| } |
| |
| static void int_to_char(opus_uint32 i, unsigned char ch[4]) |
| { |
| ch[0] = i>>24; |
| ch[1] = (i>>16)&0xFF; |
| ch[2] = (i>>8)&0xFF; |
| ch[3] = i&0xFF; |
| } |
| |
| static opus_uint32 char_to_int(unsigned char ch[4]) |
| { |
| return ((opus_uint32)ch[0]<<24) | ((opus_uint32)ch[1]<<16) |
| | ((opus_uint32)ch[2]<< 8) | (opus_uint32)ch[3]; |
| } |
| |
| static void check_decoder_option(int encode_only, const char *opt) |
| { |
| if (encode_only) |
| { |
| fprintf(stderr, "option %s is only for decoding\n", opt); |
| exit(EXIT_FAILURE); |
| } |
| } |
| |
| static void check_encoder_option(int decode_only, const char *opt) |
| { |
| if (decode_only) |
| { |
| fprintf(stderr, "option %s is only for encoding\n", opt); |
| exit(EXIT_FAILURE); |
| } |
| } |
| |
| static const int silk8_test[][4] = { |
| {MODE_SILK_ONLY, OPUS_BANDWIDTH_NARROWBAND, 960*3, 1}, |
| {MODE_SILK_ONLY, OPUS_BANDWIDTH_NARROWBAND, 960*2, 1}, |
| {MODE_SILK_ONLY, OPUS_BANDWIDTH_NARROWBAND, 960, 1}, |
| {MODE_SILK_ONLY, OPUS_BANDWIDTH_NARROWBAND, 480, 1}, |
| {MODE_SILK_ONLY, OPUS_BANDWIDTH_NARROWBAND, 960*3, 2}, |
| {MODE_SILK_ONLY, OPUS_BANDWIDTH_NARROWBAND, 960*2, 2}, |
| {MODE_SILK_ONLY, OPUS_BANDWIDTH_NARROWBAND, 960, 2}, |
| {MODE_SILK_ONLY, OPUS_BANDWIDTH_NARROWBAND, 480, 2} |
| }; |
| |
| static const int silk12_test[][4] = { |
| {MODE_SILK_ONLY, OPUS_BANDWIDTH_MEDIUMBAND, 960*3, 1}, |
| {MODE_SILK_ONLY, OPUS_BANDWIDTH_MEDIUMBAND, 960*2, 1}, |
| {MODE_SILK_ONLY, OPUS_BANDWIDTH_MEDIUMBAND, 960, 1}, |
| {MODE_SILK_ONLY, OPUS_BANDWIDTH_MEDIUMBAND, 480, 1}, |
| {MODE_SILK_ONLY, OPUS_BANDWIDTH_MEDIUMBAND, 960*3, 2}, |
| {MODE_SILK_ONLY, OPUS_BANDWIDTH_MEDIUMBAND, 960*2, 2}, |
| {MODE_SILK_ONLY, OPUS_BANDWIDTH_MEDIUMBAND, 960, 2}, |
| {MODE_SILK_ONLY, OPUS_BANDWIDTH_MEDIUMBAND, 480, 2} |
| }; |
| |
| static const int silk16_test[][4] = { |
| {MODE_SILK_ONLY, OPUS_BANDWIDTH_WIDEBAND, 960*3, 1}, |
| {MODE_SILK_ONLY, OPUS_BANDWIDTH_WIDEBAND, 960*2, 1}, |
| {MODE_SILK_ONLY, OPUS_BANDWIDTH_WIDEBAND, 960, 1}, |
| {MODE_SILK_ONLY, OPUS_BANDWIDTH_WIDEBAND, 480, 1}, |
| {MODE_SILK_ONLY, OPUS_BANDWIDTH_WIDEBAND, 960*3, 2}, |
| {MODE_SILK_ONLY, OPUS_BANDWIDTH_WIDEBAND, 960*2, 2}, |
| {MODE_SILK_ONLY, OPUS_BANDWIDTH_WIDEBAND, 960, 2}, |
| {MODE_SILK_ONLY, OPUS_BANDWIDTH_WIDEBAND, 480, 2} |
| }; |
| |
| static const int hybrid24_test[][4] = { |
| {MODE_SILK_ONLY, OPUS_BANDWIDTH_SUPERWIDEBAND, 960, 1}, |
| {MODE_SILK_ONLY, OPUS_BANDWIDTH_SUPERWIDEBAND, 480, 1}, |
| {MODE_SILK_ONLY, OPUS_BANDWIDTH_SUPERWIDEBAND, 960, 2}, |
| {MODE_SILK_ONLY, OPUS_BANDWIDTH_SUPERWIDEBAND, 480, 2} |
| }; |
| |
| static const int hybrid48_test[][4] = { |
| {MODE_SILK_ONLY, OPUS_BANDWIDTH_FULLBAND, 960, 1}, |
| {MODE_SILK_ONLY, OPUS_BANDWIDTH_FULLBAND, 480, 1}, |
| {MODE_SILK_ONLY, OPUS_BANDWIDTH_FULLBAND, 960, 2}, |
| {MODE_SILK_ONLY, OPUS_BANDWIDTH_FULLBAND, 480, 2} |
| }; |
| |
| static const int celt_test[][4] = { |
| {MODE_CELT_ONLY, OPUS_BANDWIDTH_FULLBAND, 960, 1}, |
| {MODE_CELT_ONLY, OPUS_BANDWIDTH_SUPERWIDEBAND, 960, 1}, |
| {MODE_CELT_ONLY, OPUS_BANDWIDTH_WIDEBAND, 960, 1}, |
| {MODE_CELT_ONLY, OPUS_BANDWIDTH_NARROWBAND, 960, 1}, |
| |
| {MODE_CELT_ONLY, OPUS_BANDWIDTH_FULLBAND, 480, 1}, |
| {MODE_CELT_ONLY, OPUS_BANDWIDTH_SUPERWIDEBAND, 480, 1}, |
| {MODE_CELT_ONLY, OPUS_BANDWIDTH_WIDEBAND, 480, 1}, |
| {MODE_CELT_ONLY, OPUS_BANDWIDTH_NARROWBAND, 480, 1}, |
| |
| {MODE_CELT_ONLY, OPUS_BANDWIDTH_FULLBAND, 240, 1}, |
| {MODE_CELT_ONLY, OPUS_BANDWIDTH_SUPERWIDEBAND, 240, 1}, |
| {MODE_CELT_ONLY, OPUS_BANDWIDTH_WIDEBAND, 240, 1}, |
| {MODE_CELT_ONLY, OPUS_BANDWIDTH_NARROWBAND, 240, 1}, |
| |
| {MODE_CELT_ONLY, OPUS_BANDWIDTH_FULLBAND, 120, 1}, |
| {MODE_CELT_ONLY, OPUS_BANDWIDTH_SUPERWIDEBAND, 120, 1}, |
| {MODE_CELT_ONLY, OPUS_BANDWIDTH_WIDEBAND, 120, 1}, |
| {MODE_CELT_ONLY, OPUS_BANDWIDTH_NARROWBAND, 120, 1}, |
| |
| {MODE_CELT_ONLY, OPUS_BANDWIDTH_FULLBAND, 960, 2}, |
| {MODE_CELT_ONLY, OPUS_BANDWIDTH_SUPERWIDEBAND, 960, 2}, |
| {MODE_CELT_ONLY, OPUS_BANDWIDTH_WIDEBAND, 960, 2}, |
| {MODE_CELT_ONLY, OPUS_BANDWIDTH_NARROWBAND, 960, 2}, |
| |
| {MODE_CELT_ONLY, OPUS_BANDWIDTH_FULLBAND, 480, 2}, |
| {MODE_CELT_ONLY, OPUS_BANDWIDTH_SUPERWIDEBAND, 480, 2}, |
| {MODE_CELT_ONLY, OPUS_BANDWIDTH_WIDEBAND, 480, 2}, |
| {MODE_CELT_ONLY, OPUS_BANDWIDTH_NARROWBAND, 480, 2}, |
| |
| {MODE_CELT_ONLY, OPUS_BANDWIDTH_FULLBAND, 240, 2}, |
| {MODE_CELT_ONLY, OPUS_BANDWIDTH_SUPERWIDEBAND, 240, 2}, |
| {MODE_CELT_ONLY, OPUS_BANDWIDTH_WIDEBAND, 240, 2}, |
| {MODE_CELT_ONLY, OPUS_BANDWIDTH_NARROWBAND, 240, 2}, |
| |
| {MODE_CELT_ONLY, OPUS_BANDWIDTH_FULLBAND, 120, 2}, |
| {MODE_CELT_ONLY, OPUS_BANDWIDTH_SUPERWIDEBAND, 120, 2}, |
| {MODE_CELT_ONLY, OPUS_BANDWIDTH_WIDEBAND, 120, 2}, |
| {MODE_CELT_ONLY, OPUS_BANDWIDTH_NARROWBAND, 120, 2}, |
| |
| }; |
| |
| static const int celt_hq_test[][4] = { |
| {MODE_CELT_ONLY, OPUS_BANDWIDTH_FULLBAND, 960, 2}, |
| {MODE_CELT_ONLY, OPUS_BANDWIDTH_FULLBAND, 480, 2}, |
| {MODE_CELT_ONLY, OPUS_BANDWIDTH_FULLBAND, 240, 2}, |
| {MODE_CELT_ONLY, OPUS_BANDWIDTH_FULLBAND, 120, 2}, |
| }; |
| |
| int main(int argc, char *argv[]) |
| { |
| int err; |
| char *inFile, *outFile; |
| FILE *fin, *fout; |
| OpusEncoder *enc=NULL; |
| OpusDecoder *dec=NULL; |
| int args; |
| int len[2]; |
| int frame_size, channels; |
| opus_int32 bitrate_bps=0; |
| unsigned char *data[2]; |
| unsigned char *fbytes; |
| opus_int32 sampling_rate; |
| int use_vbr; |
| int max_payload_bytes; |
| int complexity; |
| int use_inbandfec; |
| int use_dtx; |
| int forcechannels; |
| int cvbr = 0; |
| int packet_loss_perc; |
| opus_int32 count=0, count_act=0; |
| int k; |
| opus_int32 skip=0; |
| int stop=0; |
| short *in, *out; |
| int application=OPUS_APPLICATION_AUDIO; |
| double bits=0.0, bits_max=0.0, bits_act=0.0, bits2=0.0, nrg; |
| int bandwidth=-1; |
| const char *bandwidth_string; |
| int lost = 0, lost_prev = 1; |
| int toggle = 0; |
| opus_uint32 enc_final_range[2]; |
| opus_uint32 dec_final_range; |
| int encode_only=0, decode_only=0; |
| int max_frame_size = 960*6; |
| int curr_read=0; |
| int sweep_bps = 0; |
| int random_framesize=0, newsize=0, delayed_celt=0; |
| int sweep_max=0, sweep_min=0; |
| int random_fec=0; |
| const int (*mode_list)[4]=NULL; |
| int nb_modes_in_list=0; |
| int curr_mode=0; |
| int curr_mode_count=0; |
| int mode_switch_time = 48000; |
| |
| if (argc < 5 ) |
| { |
| print_usage( argv ); |
| return EXIT_FAILURE; |
| } |
| |
| fprintf(stderr, "%s\n", opus_get_version_string()); |
| |
| args = 1; |
| if (strcmp(argv[args], "-e")==0) |
| { |
| encode_only = 1; |
| args++; |
| } else if (strcmp(argv[args], "-d")==0) |
| { |
| decode_only = 1; |
| args++; |
| } |
| if (!decode_only && argc < 7 ) |
| { |
| print_usage( argv ); |
| return EXIT_FAILURE; |
| } |
| |
| if (!decode_only) |
| { |
| if (strcmp(argv[args], "voip")==0) |
| application = OPUS_APPLICATION_VOIP; |
| else if (strcmp(argv[args], "restricted-lowdelay")==0) |
| application = OPUS_APPLICATION_RESTRICTED_LOWDELAY; |
| else if (strcmp(argv[args], "audio")!=0) { |
| fprintf(stderr, "unknown application: %s\n", argv[args]); |
| print_usage(argv); |
| return EXIT_FAILURE; |
| } |
| args++; |
| } |
| sampling_rate = (opus_int32)atol(argv[args]); |
| args++; |
| channels = atoi(argv[args]); |
| args++; |
| if (!decode_only) |
| { |
| bitrate_bps = (opus_int32)atol(argv[args]); |
| args++; |
| } |
| |
| if (sampling_rate != 8000 && sampling_rate != 12000 |
| && sampling_rate != 16000 && sampling_rate != 24000 |
| && sampling_rate != 48000) |
| { |
| fprintf(stderr, "Supported sampling rates are 8000, 12000, " |
| "16000, 24000 and 48000.\n"); |
| return EXIT_FAILURE; |
| } |
| frame_size = sampling_rate/50; |
| |
| /* defaults: */ |
| use_vbr = 1; |
| bandwidth = OPUS_AUTO; |
| max_payload_bytes = MAX_PACKET; |
| complexity = 10; |
| use_inbandfec = 0; |
| forcechannels = OPUS_AUTO; |
| use_dtx = 0; |
| packet_loss_perc = 0; |
| max_frame_size = 960*6; |
| curr_read=0; |
| |
| while( args < argc - 2 ) { |
| /* process command line options */ |
| if( strcmp( argv[ args ], "-cbr" ) == 0 ) { |
| check_encoder_option(decode_only, "-cbr"); |
| use_vbr = 0; |
| args++; |
| } else if( strcmp( argv[ args ], "-bandwidth" ) == 0 ) { |
| check_encoder_option(decode_only, "-bandwidth"); |
| if (strcmp(argv[ args + 1 ], "NB")==0) |
| bandwidth = OPUS_BANDWIDTH_NARROWBAND; |
| else if (strcmp(argv[ args + 1 ], "MB")==0) |
| bandwidth = OPUS_BANDWIDTH_MEDIUMBAND; |
| else if (strcmp(argv[ args + 1 ], "WB")==0) |
| bandwidth = OPUS_BANDWIDTH_WIDEBAND; |
| else if (strcmp(argv[ args + 1 ], "SWB")==0) |
| bandwidth = OPUS_BANDWIDTH_SUPERWIDEBAND; |
| else if (strcmp(argv[ args + 1 ], "FB")==0) |
| bandwidth = OPUS_BANDWIDTH_FULLBAND; |
| else { |
| fprintf(stderr, "Unknown bandwidth %s. " |
| "Supported are NB, MB, WB, SWB, FB.\n", |
| argv[ args + 1 ]); |
| return EXIT_FAILURE; |
| } |
| args += 2; |
| } else if( strcmp( argv[ args ], "-framesize" ) == 0 ) { |
| check_encoder_option(decode_only, "-framesize"); |
| if (strcmp(argv[ args + 1 ], "2.5")==0) |
| frame_size = sampling_rate/400; |
| else if (strcmp(argv[ args + 1 ], "5")==0) |
| frame_size = sampling_rate/200; |
| else if (strcmp(argv[ args + 1 ], "10")==0) |
| frame_size = sampling_rate/100; |
| else if (strcmp(argv[ args + 1 ], "20")==0) |
| frame_size = sampling_rate/50; |
| else if (strcmp(argv[ args + 1 ], "40")==0) |
| frame_size = sampling_rate/25; |
| else if (strcmp(argv[ args + 1 ], "60")==0) |
| frame_size = 3*sampling_rate/50; |
| else { |
| fprintf(stderr, "Unsupported frame size: %s ms. " |
| "Supported are 2.5, 5, 10, 20, 40, 60.\n", |
| argv[ args + 1 ]); |
| return EXIT_FAILURE; |
| } |
| args += 2; |
| } else if( strcmp( argv[ args ], "-max_payload" ) == 0 ) { |
| check_encoder_option(decode_only, "-max_payload"); |
| max_payload_bytes = atoi( argv[ args + 1 ] ); |
| args += 2; |
| } else if( strcmp( argv[ args ], "-complexity" ) == 0 ) { |
| check_encoder_option(decode_only, "-complexity"); |
| complexity = atoi( argv[ args + 1 ] ); |
| args += 2; |
| } else if( strcmp( argv[ args ], "-inbandfec" ) == 0 ) { |
| use_inbandfec = 1; |
| 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 ], "-dtx") == 0 ) { |
| check_encoder_option(decode_only, "-dtx"); |
| use_dtx = 1; |
| args++; |
| } else if( strcmp( argv[ args ], "-loss" ) == 0 ) { |
| check_decoder_option(encode_only, "-loss"); |
| 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)); |
| } |
| 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)); |
| } |
| 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, fin); |
| curr_read = err; |
| 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]=s; |
| } |
| if (curr_read < frame_size) |
| { |
| for (i=curr_read*channels;i<frame_size*channels;i++) |
| in[i] = 0; |
| stop = 1; |
| } |
| len[toggle] = opus_encode(enc, in, frame_size, data[toggle], max_payload_bytes); |
| 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 (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; |
| } |
| } 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 (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; |
| } |
| } |
| if (output_samples<skip) skip -= output_samples; |
| else skip = 0; |
| } else { |
| fprintf(stderr, "error decoding frame: %s\n", |
| opus_strerror(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/(frame_size*(double)count)); |
| 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; |
| } |
