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

Merge "Removed reference to developer guide from class description. Added some missing parameter and return descriptions." am: 01b57ef4f6 am: ba6491183d

Browse Source 
Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1922957

Change-Id: I1d208f05026c4a50a0e7e8b12ef9e3edd381f07c
This commit is contained in:
Jon Eckenrode
2021-12-28 15:24:28 +00:00
committed by Automerger Merge Worker
parent 4974ca5f52 ba6491183d
commit d6d24e3030
1 changed files with 30 additions and 33 deletions
Download Patch File Download Diff File Expand all files Collapse all files

63
media/java/android/media/JetPlayer.java
View File

@@ -31,35 +31,33 @@ import java.lang.ref.WeakReference;
/**
* JetPlayer provides access to JET content playback and control.
*
* <p>Please refer to the JET Creator User Manual for a presentation of the JET interactive
* music concept and how to use the JetCreator tool to create content to be player by JetPlayer.
*
*
* <p>Please refer to the
* <a href="https://developer.android.com/guide/topics/media/jet/jetcreator_manual">JET Creator User
* Manual</a> for a presentation of the JET interactive music concept and how to use the JetCreator
* tool to create content to be player by JetPlayer.
*
* <p>Use of the JetPlayer class is based around the playback of a number of JET segments
* sequentially added to a playback FIFO queue. The rendering of the MIDI content stored in each
* segment can be dynamically affected by two mechanisms:
* <ul>
* <li>tracks in a segment can be muted or unmuted at any moment, individually or through
* a mask (to change the mute state of multiple tracks at once)</li>
* <li>parts of tracks in a segment can be played at predefined points in the segment, in order
* to maintain synchronization with the other tracks in the segment. This is achieved through
* the notion of "clips", which can be triggered at any time, but that will play only at the
* right time, as authored in the corresponding JET file.</li>
* <li>Tracks in a segment can be muted or unmuted at any moment, individually or through a mask
* (to change the mute state of multiple tracks at once).
* <li>Parts of tracks in a segment can be played at predefined points in the segment, in order to
* maintain synchronization with the other tracks in the segment. This is achieved through the
* notion of "clips", which can be triggered at any time, but that will play only at the right
* time, as authored in the corresponding JET file.
* </ul>
* As a result of the rendering and playback of the JET segments, the user of the JetPlayer instance
* can receive notifications from the JET engine relative to:
* <ul>
* <li>the playback state,</li>
* <li>the number of segments left to play in the queue,</li>
* <li>application controller events (CC80-83) to mark points in the MIDI segments.</li>
* </ul>
* Use {@link #getJetPlayer()} to construct a JetPlayer instance. JetPlayer is a singleton class.
* </p>
*
* <div class="special reference">
* <h3>Developer Guides</h3>
* <p>For more information about how to use JetPlayer, read the
* <a href="{@docRoot}guide/topics/media/jetplayer.html">JetPlayer</a> developer guide.</p></div>
* <p>As a result of the rendering and playback of the JET segments, the user of the JetPlayer
* instance can receive notifications from the JET engine relative to:
* <ul>
* <li>Playback state
* <li>Number of segments left to play in the queue
* <li>Application controller events (CC80-83) to mark points in the MIDI segments
* </ul>
*
* <p>Use {@link #getJetPlayer()} to construct a JetPlayer instance. JetPlayer is a singleton class.
*/
public class JetPlayer
{
@@ -140,7 +138,7 @@ public class JetPlayer
//------------------------
/**
* Factory method for the JetPlayer class.
* @return the singleton JetPlayer instance
* @return the singleton JetPlayer instance.
*/
public static JetPlayer getJetPlayer() {
if (singletonRef == null) {
@@ -203,7 +201,8 @@ public class JetPlayer
// Getters
//------------------------
/**
* Returns the maximum number of simultaneous MIDI tracks supported by JetPlayer
* Gets the maximum number of simultaneous MIDI tracks supported by JetPlayer.
* @return the maximum number of simultaneous MIDI tracks supported by JetPlayer.
*/
public static int getMaxTracks() {
return JetPlayer.MAXTRACKS;
@@ -459,10 +458,9 @@ public class JetPlayer
//------------------------
/**
* Sets the listener JetPlayer notifies when a JET event is generated by the rendering and
* playback engine.
* Notifications will be received in the same thread as the one in which the JetPlayer
* instance was created.
* @param listener
* playback engine. Notifications are received in the same thread as the one in which the
* JetPlayer instance was created.
* @param listener the listener that will be notified when a JET event is generated.
*/
public void setEventListener(OnJetEventListener listener) {
setEventListener(listener, null);
@@ -470,10 +468,9 @@ public class JetPlayer
/**
* Sets the listener JetPlayer notifies when a JET event is generated by the rendering and
* playback engine.
* Use this method to receive JET events in the Handler associated with another
* thread than the one in which you created the JetPlayer instance.
* @param listener
* playback engine. Use this method to receive JET events in the Handler associated with
* another thread than the one in which you created the JetPlayer instance.
* @param listener the listener that will be notified when a JET event is generated.
* @param handler the Handler that will receive the event notification messages.
*/
public void setEventListener(OnJetEventListener listener, Handler handler) {