Uses 654K of libraries. Click here for Pure Java version (1942L/13K/45K).
!7 lib 1006985 // JAAD for AAC decoding import net.sourceforge.jaad.mp4.*; import net.sourceforge.jaad.mp4.api.*; import net.sourceforge.jaad.mp4.api.Frame; import net.sourceforge.jaad.aac.*; p { File file = getProgramFile(#1006739, "Prince - Motherless Child - Live!-99Q31nyH16w.m4a"); assertTrue("Please run #1006739", file.exists()); fixContextClassLoader(); MP4Container container = new MP4Container(new RandomAccessFile(file, "r")); Movie movie = container.getMovie(); List<Track> tracks = movie.getTracks(AudioTrack.AudioCodec.AAC); if (tracks.size() > 0) { Track track = tracks.get(0); byte[] decoderSpecificInfo = track.getDecoderSpecificInfo(); Decoder dec = new Decoder(decoderSpecificInfo); new SampleBuffer buf; Frame frame; while not null (frame = track.readNextFrame()) { dec.decodeFrame(frame.getData(), buf); byte[] audio = buf.getData(); print("Got audio: " + l(audio) + " channels: " + buf.getChannels() + " bits/sample: " + buf.getBitsPerSample() + " " + (buf.isBigEndian() ? "big endian" : "little endian") + ", " + buf.getSampleRate() + " hz"); } } print("Got " + n(tracks, "tracks")); }
Began life as a copy of #1006984
download show line numbers debug dex old transpilations
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Snippet ID: | #1006986 |
Snippet name: | Test reading .m4a [dev.] |
Eternal ID of this version: | #1006986/15 |
Text MD5: | e6a967742749e86ceacde426c5d44e46 |
Transpilation MD5: | aad555e7235ef27d46f14a2e7a1cc56a |
Author: | stefan |
Category: | javax / audio |
Type: | JavaX source code |
Public (visible to everyone): | Yes |
Archived (hidden from active list): | No |
Created/modified: | 2017-02-22 00:08:00 |
Source code size: | 1220 bytes / 33 lines |
Pitched / IR pitched: | No / No |
Views / Downloads: | 483 / 595 |
Version history: | 14 change(s) |
Referenced in: | -