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Description:

mp3 info

MP3 Info #
Processes an MP3 file to extract key meta information such as MPEG version,
MPEG layer version, bitrate, sample rate and duration.
Usage #
A simple usage example:
import 'dart:io';

import 'package:mp3_info/mp3_info.dart';

main() {
MP3Info mp3 = MP3Processor.fromFile(File("test_files/test_128kpbs_441khz_stereo_10s.mp3"));

print('MP3: test_128kpbs_441khz_stereo_10s.mp3');

switch(mp3.sampleRate) {
case SampleRate.rate_32000:
print('Sample rate: 32KHz');
break;
case SampleRate.rate_44100:
print('Sample rate: 44.1KHz');
break;
case SampleRate.rate_48000:
print('Sample rate: 48KHz');
break;
}

print('Bit rate: ${mp3.bitrate}bps');
print('Duration: ${mp3.duration}');
}
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Task list #

✅ MP3 Key fields

✅ MPEG version
✅ MPEG layer version
✅ Sample rate
✅ Bitrate
✅ Duration
✅ CRC check
✅ Channel mode
❌ Mode extension
✅ Copyright flag
✅ Origin (original/copy))
✅ Emphasis

✅ CBR (Constant Bitrate) support
❌ VBR (Variable Bitrate) support
❌ ID3 Tag support
❌ ID1 Tag support