174 lines
4.3 KiB
C++
174 lines
4.3 KiB
C++
/*
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* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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//#include "isac_codec.h"
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//#include "isac_structs.h"
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#include "isacfix.h"
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#define NUM_CODECS 1
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int main(int argc, char* argv[])
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{
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FILE *inFileList;
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FILE *audioFile;
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FILE *outFile;
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char audioFileName[501];
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short audioBuff[960];
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short encoded[600];
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short startAudio;
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short encodedLen;
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ISACFIX_MainStruct *isac_struct;
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unsigned long int hist[601];
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// reset the histogram
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for(short n=0; n < 601; n++)
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{
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hist[n] = 0;
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}
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inFileList = fopen(argv[1], "r");
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if(inFileList == NULL)
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{
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printf("Could not open the input file.\n");
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getchar();
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exit(-1);
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}
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outFile = fopen(argv[2], "w");
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if(outFile == NULL)
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{
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printf("Could not open the histogram file.\n");
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getchar();
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exit(-1);
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}
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short frameSizeMsec = 30;
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if(argc > 3)
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{
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frameSizeMsec = atoi(argv[3]);
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}
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short audioOffset = 0;
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if(argc > 4)
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{
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audioOffset = atoi(argv[4]);
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}
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int ok;
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ok = WebRtcIsacfix_Create(&isac_struct);
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// instantaneous mode
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ok |= WebRtcIsacfix_EncoderInit(isac_struct, 1);
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// is not used but initialize
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ok |= WebRtcIsacfix_DecoderInit(isac_struct);
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ok |= WebRtcIsacfix_Control(isac_struct, 32000, frameSizeMsec);
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if(ok != 0)
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{
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printf("\nProblem in seting up iSAC\n");
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exit(-1);
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}
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while( fgets(audioFileName, 500, inFileList) != NULL )
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{
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// remove trailing white-spaces and any Cntrl character
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if(strlen(audioFileName) == 0)
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{
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continue;
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}
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short n = strlen(audioFileName) - 1;
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while(isspace(audioFileName[n]) || iscntrl(audioFileName[n]))
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{
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audioFileName[n] = '\0';
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n--;
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if(n < 0)
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{
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break;
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}
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}
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// remove leading spaces
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if(strlen(audioFileName) == 0)
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{
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continue;
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}
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n = 0;
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while((isspace(audioFileName[n]) || iscntrl(audioFileName[n])) &&
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(audioFileName[n] != '\0'))
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{
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n++;
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}
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memmove(audioFileName, &audioFileName[n], 500 - n);
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if(strlen(audioFileName) == 0)
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{
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continue;
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}
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audioFile = fopen(audioFileName, "rb");
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if(audioFile == NULL)
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{
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printf("\nCannot open %s!!!!!\n", audioFileName);
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exit(0);
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}
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if(audioOffset > 0)
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{
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fseek(audioFile, (audioOffset<<1), SEEK_SET);
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}
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while(fread(audioBuff, sizeof(short), (480*frameSizeMsec/30), audioFile) >= (480*frameSizeMsec/30))
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{
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startAudio = 0;
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do
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{
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encodedLen = WebRtcIsacfix_Encode(isac_struct,
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&audioBuff[startAudio], encoded);
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startAudio += 160;
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} while(encodedLen == 0);
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if(encodedLen < 0)
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{
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printf("\nEncoding Error!!!\n");
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exit(0);
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}
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hist[encodedLen]++;
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}
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fclose(audioFile);
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}
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fclose(inFileList);
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unsigned long totalFrames = 0;
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for(short n=0; n < 601; n++)
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{
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totalFrames += hist[n];
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fprintf(outFile, "%10lu\n", hist[n]);
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}
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fclose(outFile);
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short topTenCntr = 0;
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printf("\nTotal number of Frames %lu\n\n", totalFrames);
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printf("Payload Len # occurences\n");
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printf("=========== ============\n");
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for(short n = 600; (n >= 0) && (topTenCntr < 10); n--)
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{
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if(hist[n] > 0)
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{
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topTenCntr++;
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printf(" %3d %3d\n", n, hist[n]);
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}
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}
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WebRtcIsacfix_Free(isac_struct);
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return 0;
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}
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