jay-goo / mp3converter

Use latest Lame to transform PCM, WAV, AIFF and other uncompressed formats into MP3 format files(Andorid使用Lame将PCM、WAV、AIFF格式转为MP3格式文件)

Mp3Converter

Use latest Lame-3.100 to transform PCM, WAV, AIFF and other uncompressed formats into MP3 format files.

Usage

Dependencies

//Project build.gradle
allprojects {
		repositories {
			...
			maven { url 'https://jitpack.io' }
		}
	}
//Module build.gradle
dependencies {
	        implementation 'com.github.Jay-Goo:Mp3Converter:v0.0.3'
	}

Methods

 /**
     * init lame
     * @param inSampleRate
     *              input sample rate in Hz
     * @param channel
     *              number of channels
     * @param mode
     *              0 = CBR, 1 = VBR, 2 = ABR.  default = 0
     * @param outSampleRate
     *              output sample rate in Hz
     * @param outBitRate
     *              rate compression ratio in KHz
     * @param quality
     *              quality=0..9. 0=best (very slow). 9=worst.<br />
     *              recommended:<br />
     *              2 near-best quality, not too slow<br />
     *              5 good quality, fast<br />
     *              7 ok quality, really fast
     */
 Mp3Converter.init(44100, 1, 0, 44100, 96, 7);

 /**
     * file convert to mp3
     * it may cost a lot of time and better put it in a thread
     * @param input
     *          file path to be converted
     * @param mp3
     *          mp3 output file path
     */
    Mp3Converter.convertMp3(inputPath, mp3Path);


  /**
     * get converted bytes in inputBuffer
     * @return
     *          converted bytes in inputBuffer
     *          to ignore the deviation of the file size,when return to -1 represents convert complete
     */
	Mp3Converter.getConvertBytes()

Build

You can use Android Studio Make Module 'library'to create your *.so files, they will be created in your library/src/jniLibsFolder.

ABI

This library support armeabi-v7a, arm64-v8a, mips, mips64, x86, x86_64

Blog

You can learn how to build this library through this article.

Future

Support amr format

联系我

• Email： [email protected]
• QQ Group: 573830030 有时候工作很忙没空看邮件和Issue,大家可以通过QQ群联系我

一杯咖啡

大家都知道开源是件很辛苦的事情，这个项目也是我工作之余完成的，平时工作很忙，但大家提的需求基本上我都尽量满足，如果这个项目帮助你节省了大量时间，你很喜欢，你可以给我一杯咖啡的鼓励，不在于钱多钱少，关键是你的这份鼓励所带给我的力量~

License

MIT License Copyright (c) 2018 Jay-Goo

mp3converter's Issues

Can't convert wav generated with TextToSpeech

This is wav generated with TextToSpeech, the converted result is ugly.
Please check demo .wav and .mp3 result.

page-0002.zip

Wav to mp3 audio convert issue

Hello

I am getting an issue when convert audio wav to mp3 file. library add 5-10MS sound on initial level of mp3 file. Android code is in below

Mp3Converter.init(44100,2,0,44100,128,0);
fileSize = new File(sourcePath).length();
new Thread(new Runnable() {
@OverRide
public void run() {
Mp3Converter.convertMp3(sourcePath, destPath);
}
}).start();

	handler.postDelayed(runnable, 500);

Please check Thanks

请求添加 PCM、AIFF转MP3的DEMO示例

Android P collapse

How to solve android 9.0 system crash

单声道转换有问题

单声道的转换播放快进状态

转化过来的完全变味了，根本听不了老哥，求解？？？

Sound higher Speed !!

hi , i converted pcm/wav file to mp3 and my sound is like a kid :D
speed of my voice changed during conversion .