diff options
Diffstat (limited to 'third_party/libwebrtc/modules/audio_coding/codecs/ilbc/test/iLBC_testLib.c')
| -rw-r--r-- | third_party/libwebrtc/modules/audio_coding/codecs/ilbc/test/iLBC_testLib.c | 215 |
1 files changed, 215 insertions, 0 deletions
diff --git a/third_party/libwebrtc/modules/audio_coding/codecs/ilbc/test/iLBC_testLib.c b/third_party/libwebrtc/modules/audio_coding/codecs/ilbc/test/iLBC_testLib.c new file mode 100644 index 0000000000..132f3bdb37 --- /dev/null +++ b/third_party/libwebrtc/modules/audio_coding/codecs/ilbc/test/iLBC_testLib.c @@ -0,0 +1,215 @@ +/* + * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +/****************************************************************** + +iLBC Speech Coder ANSI-C Source Code + +iLBC_test.c + +******************************************************************/ + +#include <math.h> +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <time.h> +#include "modules/audio_coding/codecs/ilbc/ilbc.h" + +//#define JUNK_DATA +#ifdef JUNK_DATA +#define SEED_FILE "randseed.txt" +#endif + + +/*----------------------------------------------------------------* +* Main program to test iLBC encoding and decoding +* +* Usage: +* exefile_name.exe <infile> <bytefile> <outfile> +* +*---------------------------------------------------------------*/ + +int main(int argc, char* argv[]) +{ + FILE *ifileid,*efileid,*ofileid, *chfileid; + short encoded_data[55], data[240], speechType; + int len_int, mode; + short pli; + size_t len, readlen; + int blockcount = 0; + + IlbcEncoderInstance *Enc_Inst; + IlbcDecoderInstance *Dec_Inst; +#ifdef JUNK_DATA + size_t i; + FILE *seedfile; + unsigned int random_seed = (unsigned int) time(NULL);//1196764538 +#endif + + /* Create structs */ + WebRtcIlbcfix_EncoderCreate(&Enc_Inst); + WebRtcIlbcfix_DecoderCreate(&Dec_Inst); + + /* get arguments and open files */ + + if (argc != 6 ) { + fprintf(stderr, "%s mode inputfile bytefile outputfile channelfile\n", + argv[0]); + fprintf(stderr, "Example:\n"); + fprintf(stderr, "%s <30,20> in.pcm byte.dat out.pcm T30.0.dat\n", argv[0]); + exit(1); + } + mode=atoi(argv[1]); + if (mode != 20 && mode != 30) { + fprintf(stderr,"Wrong mode %s, must be 20, or 30\n", argv[1]); + exit(2); + } + if ( (ifileid=fopen(argv[2],"rb")) == NULL) { + fprintf(stderr,"Cannot open input file %s\n", argv[2]); + exit(2);} + if ( (efileid=fopen(argv[3],"wb")) == NULL) { + fprintf(stderr, "Cannot open channelfile file %s\n", + argv[3]); exit(3);} + if( (ofileid=fopen(argv[4],"wb")) == NULL) { + fprintf(stderr, "Cannot open output file %s\n", + argv[4]); exit(3);} + if ( (chfileid=fopen(argv[5],"rb")) == NULL) { + fprintf(stderr,"Cannot open channel file file %s\n", argv[5]); + exit(2); + } + /* print info */ + fprintf(stderr, "\n"); + fprintf(stderr, + "*---------------------------------------------------*\n"); + fprintf(stderr, + "* *\n"); + fprintf(stderr, + "* iLBCtest *\n"); + fprintf(stderr, + "* *\n"); + fprintf(stderr, + "* *\n"); + fprintf(stderr, + "*---------------------------------------------------*\n"); +#ifdef SPLIT_10MS + fprintf(stderr,"\n10ms split with raw mode: %2d ms\n", mode); +#else + fprintf(stderr,"\nMode : %2d ms\n", mode); +#endif + fprintf(stderr,"\nInput file : %s\n", argv[2]); + fprintf(stderr,"Coded file : %s\n", argv[3]); + fprintf(stderr,"Output file : %s\n\n", argv[4]); + fprintf(stderr,"Channel file : %s\n\n", argv[5]); + +#ifdef JUNK_DATA + srand(random_seed); + + if ( (seedfile = fopen(SEED_FILE, "a+t") ) == NULL ) { + fprintf(stderr, "Error: Could not open file %s\n", SEED_FILE); + } + else { + fprintf(seedfile, "%u\n", random_seed); + fclose(seedfile); + } +#endif + + /* Initialization */ + WebRtcIlbcfix_EncoderInit(Enc_Inst, mode); + WebRtcIlbcfix_DecoderInit(Dec_Inst, mode); + + /* loop over input blocks */ +#ifdef SPLIT_10MS + readlen = 80; +#else + readlen = (size_t)(mode << 3); +#endif + while(fread(data, sizeof(short), readlen, ifileid) == readlen) { + blockcount++; + + /* encoding */ + fprintf(stderr, "--- Encoding block %i --- ",blockcount); + len_int=WebRtcIlbcfix_Encode(Enc_Inst, data, readlen, encoded_data); + if (len_int < 0) { + fprintf(stderr, "Error encoding\n"); + exit(0); + } + len = (size_t)len_int; + fprintf(stderr, "\r"); + +#ifdef JUNK_DATA + for ( i = 0; i < len; i++) { + encoded_data[i] = (short) (encoded_data[i] + (short) rand()); + } +#endif + /* write byte file */ + if(len != 0){ //len may be 0 in 10ms split case + fwrite(encoded_data,1,len,efileid); + + /* get channel data if provided */ + if (argc==6) { + if (fread(&pli, sizeof(int16_t), 1, chfileid)) { + if ((pli!=0)&&(pli!=1)) { + fprintf(stderr, "Error in channel file\n"); + exit(0); + } + if (pli==0) { + /* Packet loss -> remove info from frame */ + memset(encoded_data, 0, sizeof(int16_t)*25); + } + } else { + fprintf(stderr, "Error. Channel file too short\n"); + exit(0); + } + } else { + pli=1; + } + + /* decoding */ + fprintf(stderr, "--- Decoding block %i --- ",blockcount); + if (pli==1) { + len_int = WebRtcIlbcfix_Decode(Dec_Inst, encoded_data, len, data, + &speechType); + if (len_int < 0) { + fprintf(stderr, "Error decoding\n"); + exit(0); + } + len = (size_t)len_int; + } else { + len=WebRtcIlbcfix_DecodePlc(Dec_Inst, data, 1); + } + fprintf(stderr, "\r"); + + /* write output file */ + fwrite(data,sizeof(short),len,ofileid); + } + } + +#ifdef JUNK_DATA + if ( (seedfile = fopen(SEED_FILE, "a+t") ) == NULL ) { + fprintf(stderr, "Error: Could not open file %s\n", SEED_FILE); + } + else { + fprintf(seedfile, "ok\n\n"); + fclose(seedfile); + } +#endif + + /* free structs */ + WebRtcIlbcfix_EncoderFree(Enc_Inst); + WebRtcIlbcfix_DecoderFree(Dec_Inst); + + /* close files */ + fclose(ifileid); + fclose(efileid); + fclose(ofileid); + + return 0; +} |