Wave-Encoder

This application use lame library to encode wave file to mp3 format. ( Wave to MP3 encoder )

I. File & Folder list

Directories

Files

waveencoder.cpp
This file includes the main function of peojects
EncoderClass.cpp
Implementation of ENcoder class including function for encoding Wave file
EncoderClass.h
EncoderClass header
WaveHelper.cpp
Implementation of WaveHelperClass including some function to work with Wave file
WaveHelper.h
WaveHelperClass header
utility.cp
Some useful functions like Enumerating files ebist in directory, Check file exist
utility.h
utility header
test_waveencoder.cpp
This file includes test routines
catch.hpp
Catch2 single file for implementing the tests routines

Prequesties

The waveencoder wave encoder project required Lame static library which you can build from the source. The Lame source version used to test the projects is 3.100. Also the projects inculdes 2 static libraries built from Lame 3.100 source for x64 Windwows-10 and Ubuntu-18. So you do not require to rebuild the Lame libraries if your system configuration is compatible with them.
- library for Windows :libmp3lame_win.a
- library for Ubuntu : libmp3lame.a
Tools to build To build the project I used tools below :
- Windows 10 : g++ version 7.4.0 (GCC) from CygWin
- Ubuntu 18 : g++ version from
How build Lame 3.100
- To build the Lame libraries you need to run some command
```
 ./configure --disable-frontend
 make
```
- then built(libmp3lame.a) librar must be copied to /libs fodler in the project directory. The generated library can be found in /usr/local/lib of your system
- for run in windows the (libmp3lame.a) must renamed to (libmp3lame_win.a)
How build the waveencoder project To build the waveencoder project you need to run some command
```
make 	clean
make	
```
How build the test To build the test app you need to run some command
```
make 	clean
make	test
```
How to run application
- For Windows : waveencoder.exe [path]
```
waveencoder.exe   wav\
```
- For Ubuntu : ./waveencoder [path]
```
./waveencoder	./wav
```
How to run test
- For Windows :
```
test_main.exe  	
```
- For Ubuntu :
```
./test_waveencoder  		
```

First application enumerates the files in the path user sent as an input parameter.
Next an object of type EncoderClass will be created.
After that startEncodingProgress of EncoderClass object will be called to encoding all wave enumerated file.
To encode the wave file by EncoderClass object, some thraeds based on Cpu core numbers will be started
Before encoding any file the EncoderClass object checks the header of files to assure that the file format is correct. This be done by an object of WaveHelperClass type