Android/frameworks_base
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Automated import from //branches/master/...@142377,142377

Browse Source
This commit is contained in:
Jean-Michel Trivi
2009-03-24 22:43:38 -07:00
committed by The Android Open Source Project
parent 6c349db7f2
commit 26a857e181
1 changed files with 21 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
media/java/android/media/JetPlayer.java
View File

@@ -63,6 +63,12 @@ public class JetPlayer
private static final int JET_EVENT_CHAN_SHIFT = 14; // shift to get MIDI channel to bit 0
private static final int JET_EVENT_TRACK_SHIFT = 18; // shift to get track ID to bit 0
private static final int JET_EVENT_SEG_SHIFT = 24; // shift to get segment ID to bit 0
// to keep in sync with values used in external/sonivox/arm-wt-22k/Android.mk
// Jet rendering audio parameters
private static final int JET_OUTPUT_RATE = 22050; // _SAMPLE_RATE_22050 in Android.mk
private static final int JET_OUTPUT_CHANNEL_CONFIG =
AudioFormat.CHANNEL_CONFIGURATION_STEREO; // NUM_OUTPUT_CHANNELS=2 in Android.mk
//--------------------------------------------
@@ -102,8 +108,9 @@ public class JetPlayer
// Constructor, finalize
//------------------------
public static JetPlayer getJetPlayer() {
if (singletonRef == null)
if (singletonRef == null) {
singletonRef = new JetPlayer();
}
return singletonRef;
}
@@ -121,10 +128,19 @@ public class JetPlayer
if ((mInitializationLooper = Looper.myLooper()) == null) {
mInitializationLooper = Looper.getMainLooper();
}
native_setup(new WeakReference<JetPlayer>(this),
JetPlayer.getMaxTracks(),
1200); //TODO parametrize this (?)
int buffSizeInBytes = AudioTrack.getMinBufferSize(JET_OUTPUT_RATE,
JET_OUTPUT_CHANNEL_CONFIG, AudioFormat.ENCODING_PCM_16BIT);
if ((buffSizeInBytes != AudioTrack.ERROR)
&& (buffSizeInBytes != AudioTrack.ERROR_BAD_VALUE)) {
native_setup(new WeakReference<JetPlayer>(this),
JetPlayer.getMaxTracks(),
// bytes to frame conversion: sample format is ENCODING_PCM_16BIT, 2 channels
// 1200 == minimum buffer size in frames on generation 1 hardware
Math.max(1200, buffSizeInBytes / 4));
}
}