diff options
| -rw-r--r-- | media/java/android/media/midi/package.html | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/media/java/android/media/midi/package.html b/media/java/android/media/midi/package.html index 7baa5bc42bd2..45fb5791dfa7 100644 --- a/media/java/android/media/midi/package.html +++ b/media/java/android/media/midi/package.html @@ -202,11 +202,12 @@ MidiInputPort inputPort = device.openInputPort(index); <p>MIDI messages are sent as byte arrays. Here we encode a NoteOn message.</p> <pre class=prettyprint> -byte[] buffer = new buffer[64]; +byte[] buffer = new byte[32]; int numBytes = 0; -buffer[numBytes++] = 0x90 + channel; // note on -buffer[numBytes++] = pitch; -buffer[numBytes++] = velocity; +int channel = 3; // MIDI channels 1-16 are encoded as 0-15. +buffer[numBytes++] = (byte)(0x90 + (channel - 1)); // note on +buffer[numBytes++] = (byte)60; // pitch is middle C +buffer[numBytes++] = (byte)127; // max velocity int offset = 0; // post is non-blocking inputPort.send(buffer, offset, numBytes); |