git-svn-id: http://webrtc.googlecode.com/svn/trunk@4 4adac7df-926f-26a2-2b94-8c16560cd09d

2011-05-30 11:22:19 +00:00
parent 01813fe945
commit 77ae29bc81
1153 changed files with 404089 additions and 0 deletions
--- a/modules/audio_coding/codecs/iSAC/fix/test/ISACHist.cpp
+++ b/modules/audio_coding/codecs/iSAC/fix/test/ISACHist.cpp
@@ -0,0 +1,173 @@
+/*
+ *  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.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+
+//#include "isac_codec.h"
+//#include "isac_structs.h"
+#include "isacfix.h"
+
+
+#define NUM_CODECS 1
+
+int main(int argc, char* argv[])
+{
+    FILE *inFileList;
+    FILE *audioFile;
+    FILE *outFile;
+    char audioFileName[501];
+    short audioBuff[960];
+    short encoded[600];
+    short startAudio;
+    short encodedLen;
+    ISACFIX_MainStruct *isac_struct;
+    unsigned long int hist[601];
+
+    // reset the histogram
+    for(short n=0; n < 601; n++)
+    {
+        hist[n] = 0;
+    }
+    
+    
+    inFileList = fopen(argv[1], "r");
+    if(inFileList == NULL)
+    {
+        printf("Could not open the input file.\n");
+        getchar();
+        exit(-1);
+    }
+    outFile = fopen(argv[2], "w");
+    if(outFile == NULL)
+    {
+        printf("Could not open the histogram file.\n");
+        getchar();
+        exit(-1);
+    }
+
+    short frameSizeMsec = 30;
+    if(argc > 3)
+    {
+        frameSizeMsec = atoi(argv[3]);
+    }
+    
+    short audioOffset = 0;
+    if(argc > 4)
+    {
+        audioOffset = atoi(argv[4]);
+    }
+    int ok;
+    ok = WebRtcIsacfix_Create(&isac_struct);
+    // instantaneous mode
+    ok |= WebRtcIsacfix_EncoderInit(isac_struct, 1);
+    // is not used but initialize
+    ok |= WebRtcIsacfix_DecoderInit(isac_struct);    
+    ok |= WebRtcIsacfix_Control(isac_struct, 32000, frameSizeMsec);
+
+    if(ok != 0)
+    {
+        printf("\nProblem in seting up iSAC\n");
+        exit(-1);
+    } 
+
+    while( fgets(audioFileName, 500, inFileList) != NULL )
+    {
+        // remove trailing white-spaces and any Cntrl character
+        if(strlen(audioFileName) == 0)
+        {
+            continue;
+        }
+        short n = strlen(audioFileName) - 1;
+        while(isspace(audioFileName[n]) || iscntrl(audioFileName[n]))
+        {
+            audioFileName[n] = '\0';
+            n--;
+            if(n < 0)
+            {
+                break;
+            }
+        }
+
+        // remove leading spaces
+        if(strlen(audioFileName) == 0)
+        {
+            continue;
+        }
+        n = 0;
+        while((isspace(audioFileName[n]) || iscntrl(audioFileName[n])) && 
+            (audioFileName[n] != '\0'))
+        {
+            n++;
+        }
+        memmove(audioFileName, &audioFileName[n], 500 - n);
+        if(strlen(audioFileName) == 0)
+        {
+            continue;
+        }
+        audioFile = fopen(audioFileName, "rb");
+        if(audioFile == NULL)
+        {
+            printf("\nCannot open %s!!!!!\n", audioFileName);
+            exit(0);
+        }
+
+        if(audioOffset > 0)
+        {
+            fseek(audioFile, (audioOffset<<1), SEEK_SET);
+        }
+        
+        while(fread(audioBuff, sizeof(short), (480*frameSizeMsec/30), audioFile) >= (480*frameSizeMsec/30))
+        {            
+            startAudio = 0;
+            do
+            {
+                encodedLen = WebRtcIsacfix_Encode(isac_struct, 
+                                                  &audioBuff[startAudio], encoded);
+                startAudio += 160;            
+            } while(encodedLen == 0);
+
+            if(encodedLen < 0)
+            {
+                printf("\nEncoding Error!!!\n");
+                exit(0);
+            }
+            hist[encodedLen]++;
+        }
+        fclose(audioFile);
+    }
+    fclose(inFileList);
+    unsigned long totalFrames = 0;
+    for(short n=0; n < 601; n++)
+    {
+        totalFrames += hist[n];
+        fprintf(outFile, "%10lu\n", hist[n]);
+    }
+    fclose(outFile);
+    
+    short topTenCntr = 0;
+    printf("\nTotal number of Frames %lu\n\n", totalFrames);
+    printf("Payload Len    # occurences\n");
+    printf("===========    ============\n");
+
+    for(short n = 600; (n >= 0) && (topTenCntr < 10); n--)
+    {
+        if(hist[n] > 0)
+        {
+            topTenCntr++;
+            printf("    %3d            %3d\n", n, hist[n]);
+        }
+    }
+    WebRtcIsacfix_Free(isac_struct);    
+    return 0;
+}
+