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Show toast if media contains only unplayable audio/video.

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-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=123885817
This commit is contained in:
olly 2016-06-02 11:06:17 -07:00 committed by Oliver Woodman
parent 00aef6ddb7
commit 5cde3aa314
3 changed files with 70 additions and 8 deletions
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37
demo/src/main/java/com/google/android/exoplayer/demo/PlayerActivity.java
View File

@ -235,8 +235,7 @@ public class PlayerActivity extends Activity implements SurfaceHolder.Callback,
if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
initializePlayer();
} else {
Toast.makeText(getApplicationContext(), R.string.storage_permission_denied,
Toast.LENGTH_LONG).show();
showToast(R.string.storage_permission_denied);
finish();
}
}
@ -330,10 +329,10 @@ public class PlayerActivity extends Activity implements SurfaceHolder.Callback,
}
private void onUnsupportedDrmError(UnsupportedDrmException e) {
String errorString = getString(Util.SDK_INT < 18 ? R.string.error_drm_not_supported
int errorStringId = Util.SDK_INT < 18 ? R.string.error_drm_not_supported
: e.reason == UnsupportedDrmException.REASON_UNSUPPORTED_SCHEME
? R.string.error_drm_unsupported_scheme : R.string.error_drm_unknown);
Toast.makeText(getApplicationContext(), errorString, Toast.LENGTH_LONG).show();
? R.string.error_drm_unsupported_scheme : R.string.error_drm_unknown;
showToast(errorStringId);
}
/**
@ -416,7 +415,7 @@ public class PlayerActivity extends Activity implements SurfaceHolder.Callback,
}
}
if (errorString != null) {
Toast.makeText(getApplicationContext(), errorString, Toast.LENGTH_LONG).show();
showToast(errorString);
}
playerNeedsSource = true;
updateButtonVisibilities();
@ -440,8 +439,24 @@ public class PlayerActivity extends Activity implements SurfaceHolder.Callback,
// DefaultTrackSelector.EventListener implementation
@Override
public void onTracksChanged(TrackInfo trackSet) {
public void onTracksChanged(TrackInfo trackInfo) {
updateButtonVisibilities();
// Print toasts if there exist only unplayable video or audio tracks.
int videoRendererSupport = TrackInfo.RENDERER_SUPPORT_NO_TRACKS;
int audioRendererSupport = TrackInfo.RENDERER_SUPPORT_NO_TRACKS;
for (int i = 0; i < trackInfo.rendererCount; i++) {
if (player.getRendererType(i) == C.TRACK_TYPE_VIDEO) {
videoRendererSupport = Math.max(videoRendererSupport, trackInfo.getRendererSupport(i));
} else if (player.getRendererType(i) == C.TRACK_TYPE_AUDIO) {
audioRendererSupport = Math.max(audioRendererSupport, trackInfo.getRendererSupport(i));
}
}
if (videoRendererSupport == TrackInfo.RENDERER_SUPPORT_UNPLAYABLE_TRACKS) {
showToast(R.string.error_unsupported_video);
}
if (audioRendererSupport == TrackInfo.RENDERER_SUPPORT_UNPLAYABLE_TRACKS) {
showToast(R.string.error_unsupported_audio);
}
}
// User controls
@ -573,6 +588,14 @@ public class PlayerActivity extends Activity implements SurfaceHolder.Callback,
return CaptionStyleCompat.createFromCaptionStyle(captioningManager.getUserStyle());
}
private void showToast(int messageId) {
showToast(getString(messageId));
}
private void showToast(String message) {
Toast.makeText(getApplicationContext(), message, Toast.LENGTH_LONG).show();
}
private static final class KeyCompatibleMediaController extends MediaController {
private MediaController.MediaPlayerControl playerControl;

4
demo/src/main/res/values/strings.xml
View File

@ -47,6 +47,10 @@
<string name="error_instantiating_decoder">Unable to instantiate decoder <xliff:g id="decoder_name">%1$s</xliff:g></string>
<string name="error_unsupported_video">Media includes video tracks, but none are playable by this device</string>
<string name="error_unsupported_audio">Media includes audio tracks, but none are playable by this device</string>
<string name="storage_permission_denied">Permission to access storage was denied</string>
<string name="sample_list_load_error">One or more sample lists failed to load</string>

37
library/src/main/java/com/google/android/exoplayer/DefaultTrackSelector.java
View File

@ -427,6 +427,19 @@ public final class DefaultTrackSelector extends TrackSelector implements
*/
public static final class TrackInfo {
/**
* The renderer does not have any associated tracks.
*/
public static final int RENDERER_SUPPORT_NO_TRACKS = 0;
/**
* The renderer has associated tracks, but cannot play any of them.
*/
public static final int RENDERER_SUPPORT_UNPLAYABLE_TRACKS = 1;
/**
* The renderer has associated tracks, and can play at least one of them.
*/
public static final int RENDERER_SUPPORT_PLAYABLE_TRACKS = 2;
/**
* The number of renderers.
*/
@ -459,7 +472,7 @@ public final class DefaultTrackSelector extends TrackSelector implements
}
/**
* Gets the array of {@link TrackGroup}s that belong to the renderer at a specified index.
* Gets the array of {@link TrackGroup}s associated to the renderer at a specified index.
*
* @param rendererIndex The renderer index.
* @return The corresponding {@link TrackGroup}s.
@ -478,6 +491,28 @@ public final class DefaultTrackSelector extends TrackSelector implements
return trackSelections[rendererIndex];
}
/**
* Gets the extent to which a renderer can support playback of the tracks associated to it.
*
* @param rendererIndex The renderer index.
* @return One of {@link #RENDERER_SUPPORT_PLAYABLE_TRACKS},
* {@link #RENDERER_SUPPORT_UNPLAYABLE_TRACKS} and {@link #RENDERER_SUPPORT_NO_TRACKS}.
*/
public int getRendererSupport(int rendererIndex) {
boolean hasTracks = false;
int[][] rendererFormatSupport = formatSupport[rendererIndex];
for (int i = 0; i < rendererFormatSupport.length; i++) {
for (int j = 0; j < rendererFormatSupport[i].length; j++) {
hasTracks = true;
if ((rendererFormatSupport[i][j] & TrackRenderer.FORMAT_SUPPORT_MASK)
== TrackRenderer.FORMAT_HANDLED) {
return RENDERER_SUPPORT_PLAYABLE_TRACKS;
}
}
}
return hasTracks ? RENDERER_SUPPORT_UNPLAYABLE_TRACKS : RENDERER_SUPPORT_NO_TRACKS;
}
/**
* Gets the extent to which the format of an individual track is supported by the renderer.
*