sjs/media
1
0
Fork 0
mirror of https://github.com/samsonjs/media.git synced 2026-06-29 05:39:31 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Allow stable API users to use DebugTextViewHelper

Browse source 
This is used from the main demo app.

PiperOrigin-RevId: 445420580
This commit is contained in:
ibaker 2022-04-29 16:02:27 +01:00 committed by Ian Baker
parent 3dff9fbe36
commit 5784068838
1 changed files with 44 additions and 35 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

79
libraries/exoplayer/src/main/java/androidx/media3/exoplayer/util/DebugTextViewHelper.java
View file

@ -30,13 +30,13 @@ import java.util.Locale;
* A helper class for periodically updating a {@link TextView} with debug information obtained from
* an {@link ExoPlayer}.
*/
@UnstableApi
public class DebugTextViewHelper implements Player.Listener, Runnable {
public class DebugTextViewHelper {
private static final int REFRESH_INTERVAL_MS = 1000;
private final ExoPlayer player;
private final TextView textView;
private final Updater updater;
private boolean started;
@ -50,6 +50,7 @@ public class DebugTextViewHelper implements Player.Listener, Runnable {
Assertions.checkArgument(player.getApplicationLooper() == Looper.getMainLooper());
this.player = player;
this.textView = textView;
this.updater = new Updater();
}
/**
@ -61,7 +62,7 @@ public class DebugTextViewHelper implements Player.Listener, Runnable {
return;
}
started = true;
player.addListener(this);
player.addListener(updater);
updateAndPost();
}
@ -74,53 +75,28 @@ public class DebugTextViewHelper implements Player.Listener, Runnable {
return;
}
started = false;
player.removeListener(this);
textView.removeCallbacks(this);
}
// Player.Listener implementation.
@Override
public final void onPlaybackStateChanged(@Player.State int playbackState) {
updateAndPost();
}
@Override
public final void onPlayWhenReadyChanged(
boolean playWhenReady, @Player.PlayWhenReadyChangeReason int reason) {
updateAndPost();
}
@Override
public final void onPositionDiscontinuity(
Player.PositionInfo oldPosition,
Player.PositionInfo newPosition,
@Player.DiscontinuityReason int reason) {
updateAndPost();
}
// Runnable implementation.
@Override
public final void run() {
updateAndPost();
player.removeListener(updater);
textView.removeCallbacks(updater);
}
// Protected methods.
@UnstableApi
@SuppressLint("SetTextI18n")
protected final void updateAndPost() {
textView.setText(getDebugString());
textView.removeCallbacks(this);
textView.postDelayed(this, REFRESH_INTERVAL_MS);
textView.removeCallbacks(updater);
textView.postDelayed(updater, REFRESH_INTERVAL_MS);
}
/** Returns the debugging information string to be shown by the target {@link TextView}. */
@UnstableApi
protected String getDebugString() {
return getPlayerStateString() + getVideoString() + getAudioString();
}
/** Returns a string containing player state debugging information. */
@UnstableApi
protected String getPlayerStateString() {
String playbackStateString;
switch (player.getPlaybackState()) {
@ -146,6 +122,7 @@ public class DebugTextViewHelper implements Player.Listener, Runnable {
}
/** Returns a string containing video debugging information. */
@UnstableApi
protected String getVideoString() {
Format format = player.getVideoFormat();
DecoderCounters decoderCounters = player.getVideoDecoderCounters();
@ -170,6 +147,7 @@ public class DebugTextViewHelper implements Player.Listener, Runnable {
}
/** Returns a string containing audio debugging information. */
@UnstableApi
protected String getAudioString() {
Format format = player.getAudioFormat();
DecoderCounters decoderCounters = player.getAudioDecoderCounters();
@ -222,4 +200,35 @@ public class DebugTextViewHelper implements Player.Listener, Runnable {
return String.valueOf(averageUs);
}
}
private final class Updater implements Player.Listener, Runnable {
// Player.Listener implementation.
@Override
public void onPlaybackStateChanged(@Player.State int playbackState) {
updateAndPost();
}
@Override
public void onPlayWhenReadyChanged(
boolean playWhenReady, @Player.PlayWhenReadyChangeReason int reason) {
updateAndPost();
}
@Override
public void onPositionDiscontinuity(
Player.PositionInfo oldPosition,
Player.PositionInfo newPosition,
@Player.DiscontinuityReason int reason) {
updateAndPost();
}
// Runnable implementation.
@Override
public void run() {
updateAndPost();
}
}
}