README

minimp3 for ultibo

Using the minimp3 library for Ultibo.

Based on minimp3-delphi

Info

Easily get information from mp3 file

  FMP3File := TMP3File.Create();
  FMP3File.LoadFromFile('C:\test.mp3');

  ConsoleWindowWriteLn(Handle,'====== Info File mp3 ======================');
  ConsoleWindowWriteLn(Handle,'Channels = '       + Inttostr(FMP3File.FMP3Channels) );
  ConsoleWindowWriteLn(Handle,'Frequency (hz) = ' + Inttostr(FMP3File.FMP3Hz) );
  ConsoleWindowWriteLn(Handle,'Layers = '         + Inttostr(FMP3File.FMP3Layer) );
  ConsoleWindowWriteLn(Handle,'Bitrate (kps) = '  + Inttostr(FMP3File.FMP3Bitrate_kbps) );
  ConsoleWindowWriteLn(Handle,'===========================================');

Examples

You need to copy the test.mp3 file to the SD card.

• Mp3towav
  • decode the file 'C:\test.mp3' to 'C:\test.wav'
• Player1
  • play file 'C:\test.mp3', (Only audio output jack) Based Example 20 PWM Sound
• Player2
  • play file 'C:\test.mp3', (Only audio output jack) Based Advanced example - PWM PCM
• Player3
  • play file 'C:\test.mp3', (Audio output HDMI or jack) Based Paul's OMX Audio Test

Helpful links

• minimp3-delphi
  • https://github.com/DasZiesel/minimp3-delphi
• minimp3 library
  • https://github.com/lieff/minimp3
• Ultibo examples
  • https://github.com/ultibohub/Examples
• Paul's openmax
  • https://github.com/pjde-ultibo/openmax