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Synchronize channel masks in AudioFormat with system/audio.h

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AudioFormat channel mask comments

Change-Id: I8b43cb58cd9d3a33bf02aa0455bbfc16ed29f9ae
This commit is contained in:
Glenn Kasten
2013-07-18 17:01:47 -07:00
parent 08c96b5515
commit c806050a07
1 changed files with 8 additions and 1 deletions
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9
media/java/android/media/AudioFormat.java
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@@ -56,7 +56,7 @@ public class AudioFormat {
/** Default audio channel mask */
public static final int CHANNEL_OUT_DEFAULT = 1;
// Channel mask definitions below are translated to the native values defined in
// Output channel mask definitions below are translated to the native values defined in
// in /system/core/include/system/audio.h in the JNI code of AudioTrack
public static final int CHANNEL_OUT_FRONT_LEFT = 0x4;
public static final int CHANNEL_OUT_FRONT_RIGHT = 0x8;
@@ -94,17 +94,21 @@ public class AudioFormat {
CHANNEL_OUT_FRONT_CENTER | CHANNEL_OUT_BACK_CENTER);
public static final int CHANNEL_OUT_5POINT1 = (CHANNEL_OUT_FRONT_LEFT | CHANNEL_OUT_FRONT_RIGHT |
CHANNEL_OUT_FRONT_CENTER | CHANNEL_OUT_LOW_FREQUENCY | CHANNEL_OUT_BACK_LEFT | CHANNEL_OUT_BACK_RIGHT);
// different from AUDIO_CHANNEL_OUT_7POINT1
public static final int CHANNEL_OUT_7POINT1 = (CHANNEL_OUT_FRONT_LEFT | CHANNEL_OUT_FRONT_RIGHT |
CHANNEL_OUT_FRONT_CENTER | CHANNEL_OUT_LOW_FREQUENCY | CHANNEL_OUT_BACK_LEFT | CHANNEL_OUT_BACK_RIGHT |
CHANNEL_OUT_FRONT_LEFT_OF_CENTER | CHANNEL_OUT_FRONT_RIGHT_OF_CENTER);
/** @hide */
// matches AUDIO_CHANNEL_OUT_7POINT1
public static final int CHANNEL_OUT_7POINT1_SURROUND = (
CHANNEL_OUT_FRONT_LEFT | CHANNEL_OUT_FRONT_CENTER | CHANNEL_OUT_FRONT_RIGHT |
CHANNEL_OUT_SIDE_LEFT | CHANNEL_OUT_SIDE_RIGHT |
CHANNEL_OUT_BACK_LEFT | CHANNEL_OUT_BACK_RIGHT |
CHANNEL_OUT_LOW_FREQUENCY);
// CHANNEL_OUT_ALL is not yet defined; if added then it should match AUDIO_CHANNEL_OUT_ALL
public static final int CHANNEL_IN_DEFAULT = 1;
// These directly match native
public static final int CHANNEL_IN_LEFT = 0x4;
public static final int CHANNEL_IN_RIGHT = 0x8;
public static final int CHANNEL_IN_FRONT = 0x10;
@@ -121,5 +125,8 @@ public class AudioFormat {
public static final int CHANNEL_IN_VOICE_DNLINK = 0x8000;
public static final int CHANNEL_IN_MONO = CHANNEL_IN_FRONT;
public static final int CHANNEL_IN_STEREO = (CHANNEL_IN_LEFT | CHANNEL_IN_RIGHT);
/** @hide */
public static final int CHANNEL_IN_FRONT_BACK = CHANNEL_IN_FRONT | CHANNEL_IN_BACK;
// CHANNEL_IN_ALL is not yet defined; if added then it should match AUDIO_CHANNEL_IN_ALL
}