1 /* 2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 /* 12 * testG711.cpp : Defines the entry point for the console application. 13 */ 14 15 #include <stdio.h> 16 #include <stdlib.h> 17 #include <string.h> 18 19 /* include API */ 20 #include "g711_interface.h" 21 22 /* Runtime statistics */ 23 #include <time.h> 24 #define CLOCKS_PER_SEC_G711 1000 25 26 /* function for reading audio data from PCM file */ 27 int readframe(int16_t* data, FILE* inp, int length) { 28 29 short k, rlen, status = 0; 30 31 rlen = (short) fread(data, sizeof(int16_t), length, inp); 32 if (rlen < length) { 33 for (k = rlen; k < length; k++) 34 data[k] = 0; 35 status = 1; 36 } 37 38 return status; 39 } 40 41 int main(int argc, char* argv[]) { 42 char inname[80], outname[40], bitname[40]; 43 FILE* inp; 44 FILE* outp; 45 FILE* bitp = NULL; 46 int framecnt, endfile; 47 48 int16_t framelength = 80; 49 50 int err; 51 52 /* Runtime statistics */ 53 double starttime; 54 double runtime; 55 double length_file; 56 57 int16_t stream_len = 0; 58 int16_t shortdata[480]; 59 int16_t decoded[480]; 60 int16_t streamdata[500]; 61 int16_t speechType[1]; 62 char law[2]; 63 char versionNumber[40]; 64 65 /* handling wrong input arguments in the command line */ 66 if ((argc != 5) && (argc != 6)) { 67 printf("\n\nWrong number of arguments or flag values.\n\n"); 68 69 printf("\n"); 70 printf("\nG.711 test application\n\n"); 71 printf("Usage:\n\n"); 72 printf("./testG711.exe framelength law infile outfile \n\n"); 73 printf("framelength: Framelength in samples.\n"); 74 printf("law : Coding law, A och u.\n"); 75 printf("infile : Normal speech input file\n"); 76 printf("outfile : Speech output file\n\n"); 77 printf("outbits : Output bitstream file [optional]\n\n"); 78 exit(0); 79 80 } 81 82 /* Get version and print */ 83 WebRtcG711_Version(versionNumber, 40); 84 85 printf("-----------------------------------\n"); 86 printf("G.711 version: %s\n\n", versionNumber); 87 /* Get frame length */ 88 framelength = atoi(argv[1]); 89 90 /* Get compression law */ 91 strcpy(law, argv[2]); 92 93 /* Get Input and Output files */ 94 sscanf(argv[3], "%s", inname); 95 sscanf(argv[4], "%s", outname); 96 if (argc == 6) { 97 sscanf(argv[5], "%s", bitname); 98 if ((bitp = fopen(bitname, "wb")) == NULL) { 99 printf(" G.711: Cannot read file %s.\n", bitname); 100 exit(1); 101 } 102 } 103 104 if ((inp = fopen(inname, "rb")) == NULL) { 105 printf(" G.711: Cannot read file %s.\n", inname); 106 exit(1); 107 } 108 if ((outp = fopen(outname, "wb")) == NULL) { 109 printf(" G.711: Cannot write file %s.\n", outname); 110 exit(1); 111 } 112 printf("\nInput: %s\nOutput: %s\n", inname, outname); 113 if (argc == 6) { 114 printf("\nBitfile: %s\n", bitname); 115 } 116 117 starttime = clock() / (double) CLOCKS_PER_SEC_G711; /* Runtime statistics */ 118 119 /* Initialize encoder and decoder */ 120 framecnt = 0; 121 endfile = 0; 122 while (endfile == 0) { 123 framecnt++; 124 /* Read speech block */ 125 endfile = readframe(shortdata, inp, framelength); 126 127 /* G.711 encoding */ 128 if (!strcmp(law, "A")) { 129 /* A-law encoding */ 130 stream_len = WebRtcG711_EncodeA(NULL, shortdata, framelength, streamdata); 131 if (argc == 6) { 132 /* Write bits to file */ 133 if (fwrite(streamdata, sizeof(unsigned char), stream_len, bitp) != 134 static_cast<size_t>(stream_len)) { 135 return -1; 136 } 137 } 138 err = WebRtcG711_DecodeA(NULL, streamdata, stream_len, decoded, 139 speechType); 140 } else if (!strcmp(law, "u")) { 141 /* u-law encoding */ 142 stream_len = WebRtcG711_EncodeU(NULL, shortdata, framelength, streamdata); 143 if (argc == 6) { 144 /* Write bits to file */ 145 if (fwrite(streamdata, sizeof(unsigned char), stream_len, bitp) != 146 static_cast<size_t>(stream_len)) { 147 return -1; 148 } 149 } 150 err = WebRtcG711_DecodeU(NULL, streamdata, stream_len, decoded, 151 speechType); 152 } else { 153 printf("Wrong law mode\n"); 154 exit(1); 155 } 156 if (stream_len < 0 || err < 0) { 157 /* exit if returned with error */ 158 printf("Error in encoder/decoder\n"); 159 } else { 160 /* Write coded speech to file */ 161 if (fwrite(decoded, sizeof(short), framelength, outp) != 162 static_cast<size_t>(framelength)) { 163 return -1; 164 } 165 } 166 } 167 168 runtime = (double)(clock() / (double) CLOCKS_PER_SEC_G711 - starttime); 169 length_file = ((double) framecnt * (double) framelength / 8000); 170 printf("\n\nLength of speech file: %.1f s\n", length_file); 171 printf("Time to run G.711: %.2f s (%.2f %% of realtime)\n\n", 172 runtime, 173 (100 * runtime / length_file)); 174 printf("---------------------END----------------------\n"); 175 176 fclose(inp); 177 fclose(outp); 178 179 return 0; 180 } 181
