C/C++ :: Reading And Editing ID3V1 MP3 Tags
Feb 25, 2014
I am trying to write a program that will read the id3v1 tag of an mp3 file, output the current information, and then allow the user to edit the ID3 tag. I can get it to output the information but I'm having some issues getting it to edit correctly. It seems to try to edit the wrong fields.
#include <iostream>
#include <fstream>
using namespace std;
int main(){
int end;
ifstream myInputFile;
myInputFile.open("01-Cheeseburger in Paradise.mp3", ios::in);
[Code] ....
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Feb 7, 2015
I am currently trying to read information from an ID3V1.1 tag in C. For this project we are not allowed to use any external libraries. All of the fields except for the track field read correctly. The last two lines are the ones giving me trouble. Whenever I run the program, I get a seg fault when it tries to get the track number. I tried to debug using gdb and it said the problem was happening on line 34 which is where the fseek is. It works for the other fields so I'm wondering why it is going wrong. Should I change the offset to something other than -128? But the whole tag is only 128 characters so I'm unsure what is going wrong.
Code:
Program received signal SIGSEGV,
Segmentation fault.0x00000034ff66edf1 in fseek() from / lib64 /
libc.so .6 Missing separate debuginfos,
use:debuginfo - install glibc - 2.12 - 1.132.el6_5 .3.x86_64(gdb) back
#0 0x00000034ff66edf1 in fseek () from /lib64/libc.so.6
#1 0x000000000040076f in main (argc=1, argv=0x7fffffffdf58) at id3tagEd.c:34 Code: Code: #include<stdio.h>
#include<string.h>
}
[code]...
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Dec 7, 2013
Basically what I am looking for is a way to get a block memory, copy it into ram in a format along the line of bit[#], replace the original with a new code that may or may not be the same size(they will be something to ensure does not try to save a fraction of a byte).
Is there an easy way to do this or do I just need to read work from a bin file?
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Jul 3, 2012
In my project I have commented all the available funtions in a systematic way. Following is the commenting system in my project:
''' --------------------------------------------------- ''' <summary>
''' ************************************************** ******* ''' FUNCTION:
''' VAR NBR:
''' ************************************************** ******* ''' </summary>
''' <VariableName> loadApp </VariableName>
''' <VariableDiscription> loads the Application </VariableDiscription>
''' <Author> Author Name </Author>
''' <LastModifiedOn> 01/09/2012 </LastModifiedOn>
[Code] .....
Now I would like to extract the data inside these comment tags and insert into excel sheet. Need to extract the comments in the xml tags shown in the able format? For example I want the value inside the <Autor> tag.
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May 3, 2013
I'm working on a CGI application. I'm trying to test my input with a switch statement and output the result with html tags to populate a web page. From within the switch, I've coded as follows:
HTML Code:
switch(mFunc) {
case 0:
cout << "<p><b>YOU ENTERED THE FOLLOWING TO BE CALCULATED:</b></p>" "<h2>"<< number1 <<"+" << number2 << "</h2>" << endl;
break;
case 1:
cout << "You've entered" << number1 <<"-" << number2 << "to be evaluated" << endl;
break;
I know that I'll need to put this in an html body with a content type as such:
HTML Code:
cout << "Content-type: text/html
";
cout << "<html><body>
";
Am I able to do that directly inside of the switch statement?
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Aug 30, 2013
I have a huge text file in following format:
{Bunch of text
.
.
}
[Code].....
I want to extract Text1, Text2, Text3, Text4,..., Text600 in the output file. How can i achieve this?
/* BTW, I am not getting my homework done here. I am an ex-programmer, who has now moved to marketing for some time now, and today, I encountered this problem, which I believe can be solved easily through programming. */
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Jan 2, 2014
I have a problem editing a text file in c
Code:
#include <stdio.h>#include <stdlib.h>
#include <string.h>
typedef struct
{
char *name;
float gpa;
[Code] ....
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Mar 10, 2014
I'm trying to edit an image by multiplying the red component of each pixel by 10 and leaving the other components (green and blue) untouched. I'm not really sure how I'm supposed to edit the pixels one by one. I have this so far. I think there is something wrong with my ppm header as well. Is there a way to make a ppm header without specifying the bounds so that it conforms to the image you are putting in?
Code:
#include <stdlib.h>
#include <stdio.h>
#define PICTURE_FILE 1
#define MIN_ARGS 2
#define h 768
#define w 1024
void solve(FILE *in_picture, FILE *out_picture)
[Code] .....
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Apr 16, 2013
Well,i hav a question requiring me to edit sales achieved by an employee for a particular month.
I'm having a dat.file which following format
Employee ID
Name
Sales(for a year)
For example
A00001
Harlem Shake
10.00 20.00 30.00 40.00 50.00 60.00 70.00 80.00 90.00 100.00 110.00 120.00
Wad I wanna is TO EDIT only the sales for July which is 70.00 to a new amount with other months remain intact.
I need to search particular id which will then link to their respective sales.
ofstream outFile;
string empID;
cout<<"Please Enter Employee ID:
[Code] ....
I tried to run myself before.But I could only create a new line instead of replacing.
To my understanding with ios::app ..will use the same file for editing..
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Sep 11, 2014
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I want to be able to change the "Vec3 &vecPos" variable, when I define the variable that goes into the function I've defined it as: "Vec3 vecPos;" if I define it as "Vec3 vecPos(float fvx,float fvy,float fvz);" the variable cant be fed into the function.
I cant change my function because its used elsewhere but I want to be able to change the x,y and z elements inside the Vec3 vecPos variable. How without redefining it as Vec3 vecPos(float fvx,float fvy,float fvz);
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Sep 6, 2014
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Oct 30, 2014
I have a button that opens a file dialog box so that a user can pick a file. I only need it for the path and file name to be passed to another program. I do not want to open the file or care about its contents. I just want the name and path.
private void button1_Click(object sender, EventArgs e)
{
OpenFileDialog dialog = new OpenFileDialog();
[Code].....
The problem is that as long as the program is running the file that the user picked is locked for editing. Adding the Dispose() had no affect. Multiselect and ReadOnlyChecked have no affect. Only closing the application frees the file.
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Mar 4, 2014
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#include <stdio.h>
#include <string.h>
int main() {
char answer[100];
int checkAns;
char correctAns[100] , incorrectAns[100];
[Code] .....
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Dec 6, 2014
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[URL]
I'd need the toolbars to be integrated into the program across the top and then a window that changes depending on the document selected on the left side based on the content of the word document located in that folder. I haven't been able to find anything online and I'm not really able to spend $800 on the alternates that look like they just do automation as well.
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Oct 19, 2014
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Jul 10, 2013
Basically I have an tile class with the following variables: x, y, texture, and solid. I have created an array called tile MAP[map_tiles_x][map_tiles_y]. The object of the following snip-it of code is to loop through all of the tiles in the map placing their default values in each. For some reason this code does not work as planned, but in theory shouldn't it? I cannot see why it doesn't work. (BTW I do plan on open sourcing this map editor.
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for (int tile_y; tile_y < map_tiles_y; tile_y++){
for (int tile_x; tile_x < map_tiles_x; tile_x++){
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} }
I should also add the effect of the code. Basically it only sets the default coordinates for the first object :/.
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Sep 30, 2014
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May 19, 2012
i have this program that i am undertaking.....this project needs to store customer details, edit them and delete them...now i am facing the problem of deriving a code to edit those details...
MY CODE
HTML Code:
#include <fstream>
#include <iostream>
#include <string>
using namespace std;
int main () {
int choice [1];
string name;
[code].....
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Nov 14, 2014
You are requested to create an inventory control application for a drink stall (give a name to the stall). The application is used to show the list of drinks the stall sells, how many of each item on‐hand and the cost of each item. The records are to be saved and retrieved to/from a binary file called “drinks.txt”. For each drink in the stall, your program is to keep the information as a Record Structure called DrinkRecord. The structure should at least consist of the following:
(1) Item Number
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(3) Quantity
(4) Unit Price
Your application should have the following features:
(a) Display a drink information
(b) Add a new drink information
(c) Update a new drink information
(d) Delete a drink information
(e) Display all drink information
#include <string>
#include <fstream>
#include <vector>
#include <iterator>
#include <algorithm>
#include <stdlib.h>
#include <iomanip>
[code].....
Everything works fine with minor issues, but I'm having trouble with the editing function. I need to be able to search for a specific drink then be able to edit its contents and print the new contents to the file. I have not created a structure yet. I will do that as soon as possible.
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Nov 12, 2013
I am translating a MATLAB code into C and these are the lines
Code:
file_name = imageTest(i,: );
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if strcmp(imgInfo.ColorType,'truecolor')
[Code].....
how I can change this code to C? I did search but I did not find anything related.
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Feb 26, 2013
How do I read a .pdf file using C++? When I try to open it using myfile.open ("example.pdf"); but all I see is some Crazy Symbols. Is there any way to open ?
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Sep 9, 2013
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If it is possible to automatically download that file, that is fine as well.
If it matters at all, the pages I am reading from are stories on Fanfiction.net.
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Jan 5, 2014
If I am reading data from a .txt file with a person's last name and first name (e.g. Miller Andrew), How do I output the same data with the first name followed by the last ?(e.g. Andrew Miller) Do I use the ignore function?
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Aug 24, 2013
how do i implement codes where it shall prompt for an user id.
From the input,the system shall look into the file..and output if the data exist.
For example in the file,
A123
Robinson
012345
B345
Crusoe
543210
So,i juz wanna input for B345.
Output shall be:
B345
Crusoe
543210
The code below is reading the whole data in the file but I only want to read one.
#include<iostream>
#include<fstream>
#include<iomanip>
#include<string>
using namespace std;
int main() {
fstream inFile;
[code]....
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Aug 30, 2014
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Apr 18, 2013
So I'm trying to reformat a paragraph where the first letter of each sentence is capitalized and the rest are lower case. This is my function thus far. I'm trying to read for the end marks . ! and ? and have it so that once the are encountered the next word is capitalized. I used ispunct initially but it read for things like ,'s as well.
int PunctCount(string Text)
//Counts the end marks. {
int Total = 0;
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Total++;
return Total;
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Right now I get error: no match for âoperator==â in âText == '!'â
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