use of androidx.media3.exoplayer.trackselection.DefaultTrackSelector.ParametersBuilder in project media by androidx.
the class DefaultTrackSelectorTest method setParameterWithNonDefaultParameterNotifyInvalidationListener.
/**
* Tests that track selector will call {@link InvalidationListener#onTrackSelectionsInvalidated()}
* when it's set with non-default values of {@link Parameters}.
*/
@Test
public void setParameterWithNonDefaultParameterNotifyInvalidationListener() {
ParametersBuilder builder = defaultParameters.buildUpon().setPreferredAudioLanguage("eng");
trackSelector.setParameters(builder);
verify(invalidationListener).onTrackSelectionsInvalidated();
}
use of androidx.media3.exoplayer.trackselection.DefaultTrackSelector.ParametersBuilder in project media by androidx.
the class DefaultTrackSelectorTest method selectUndeterminedTextLanguageAsFallback.
/**
* Tests that the default track selector will select a text track with undetermined language if no
* text track with the preferred language is available but {@link
* Parameters#selectUndeterminedTextLanguage} is true.
*/
@Test
public void selectUndeterminedTextLanguageAsFallback() throws ExoPlaybackException {
Format.Builder formatBuilder = TEXT_FORMAT.buildUpon();
Format spanish = formatBuilder.setLanguage("spa").build();
Format german = formatBuilder.setLanguage("de").build();
Format undeterminedUnd = formatBuilder.setLanguage(C.LANGUAGE_UNDETERMINED).build();
Format undeterminedNull = formatBuilder.setLanguage(null).build();
RendererCapabilities[] textRendererCapabilites = new RendererCapabilities[] { ALL_TEXT_FORMAT_SUPPORTED_RENDERER_CAPABILITIES };
TrackGroupArray trackGroups = wrapFormats(spanish, german, undeterminedUnd, undeterminedNull);
TrackSelectorResult result = trackSelector.selectTracks(textRendererCapabilites, trackGroups, periodId, TIMELINE);
assertNoSelection(result.selections[0]);
trackSelector.setParameters(defaultParameters.buildUpon().setSelectUndeterminedTextLanguage(true));
result = trackSelector.selectTracks(textRendererCapabilites, trackGroups, periodId, TIMELINE);
assertFixedSelection(result.selections[0], trackGroups, undeterminedUnd);
ParametersBuilder builder = defaultParameters.buildUpon().setPreferredTextLanguage("spa");
trackSelector.setParameters(builder);
result = trackSelector.selectTracks(textRendererCapabilites, trackGroups, periodId, TIMELINE);
assertFixedSelection(result.selections[0], trackGroups, spanish);
trackGroups = wrapFormats(german, undeterminedUnd, undeterminedNull);
result = trackSelector.selectTracks(textRendererCapabilites, trackGroups, periodId, TIMELINE);
assertNoSelection(result.selections[0]);
trackSelector.setParameters(builder.setSelectUndeterminedTextLanguage(true));
result = trackSelector.selectTracks(textRendererCapabilites, trackGroups, periodId, TIMELINE);
assertFixedSelection(result.selections[0], trackGroups, undeterminedUnd);
trackGroups = wrapFormats(german, undeterminedNull);
result = trackSelector.selectTracks(textRendererCapabilites, trackGroups, periodId, TIMELINE);
assertFixedSelection(result.selections[0], trackGroups, undeterminedNull);
trackGroups = wrapFormats(german);
result = trackSelector.selectTracks(textRendererCapabilites, trackGroups, periodId, TIMELINE);
assertNoSelection(result.selections[0]);
}
use of androidx.media3.exoplayer.trackselection.DefaultTrackSelector.ParametersBuilder in project media by androidx.
the class DefaultTrackSelectorTest method setParameterWithSameParametersDoesNotNotifyInvalidationListenerAgain.
/**
* Tests that track selector will not call {@link
* InvalidationListener#onTrackSelectionsInvalidated()} again when it's set with the same values
* of {@link Parameters}.
*/
@Test
public void setParameterWithSameParametersDoesNotNotifyInvalidationListenerAgain() {
ParametersBuilder builder = defaultParameters.buildUpon().setPreferredAudioLanguage("eng");
trackSelector.setParameters(builder);
trackSelector.setParameters(builder);
verify(invalidationListener, times(1)).onTrackSelectionsInvalidated();
}
use of androidx.media3.exoplayer.trackselection.DefaultTrackSelector.ParametersBuilder in project media by androidx.
the class DownloadHelper method addAudioLanguagesToSelection.
/**
* Convenience method to add selections of tracks for all specified audio languages. If an audio
* track in one of the specified languages is not available, the default fallback audio track is
* used instead. Must not be called until after preparation completes.
*
* @param languages A list of audio languages for which tracks should be added to the download
* selection, as IETF BCP 47 conformant tags.
*/
public void addAudioLanguagesToSelection(String... languages) {
assertPreparedWithMedia();
for (int periodIndex = 0; periodIndex < mappedTrackInfos.length; periodIndex++) {
DefaultTrackSelector.ParametersBuilder parametersBuilder = DEFAULT_TRACK_SELECTOR_PARAMETERS_WITHOUT_CONTEXT.buildUpon();
MappedTrackInfo mappedTrackInfo = mappedTrackInfos[periodIndex];
int rendererCount = mappedTrackInfo.getRendererCount();
for (int rendererIndex = 0; rendererIndex < rendererCount; rendererIndex++) {
if (mappedTrackInfo.getRendererType(rendererIndex) != C.TRACK_TYPE_AUDIO) {
parametersBuilder.setRendererDisabled(rendererIndex, /* disabled= */
true);
}
}
for (String language : languages) {
parametersBuilder.setPreferredAudioLanguage(language);
addTrackSelection(periodIndex, parametersBuilder.build());
}
}
}
use of androidx.media3.exoplayer.trackselection.DefaultTrackSelector.ParametersBuilder in project media by androidx.
the class DownloadHelper method addTextLanguagesToSelection.
/**
* Convenience method to add selections of tracks for all specified text languages. Must not be
* called until after preparation completes.
*
* @param selectUndeterminedTextLanguage Whether a text track with undetermined language should be
* selected for downloading if no track with one of the specified {@code languages} is
* available.
* @param languages A list of text languages for which tracks should be added to the download
* selection, as IETF BCP 47 conformant tags.
*/
public void addTextLanguagesToSelection(boolean selectUndeterminedTextLanguage, String... languages) {
assertPreparedWithMedia();
for (int periodIndex = 0; periodIndex < mappedTrackInfos.length; periodIndex++) {
DefaultTrackSelector.ParametersBuilder parametersBuilder = DEFAULT_TRACK_SELECTOR_PARAMETERS_WITHOUT_CONTEXT.buildUpon();
MappedTrackInfo mappedTrackInfo = mappedTrackInfos[periodIndex];
int rendererCount = mappedTrackInfo.getRendererCount();
for (int rendererIndex = 0; rendererIndex < rendererCount; rendererIndex++) {
if (mappedTrackInfo.getRendererType(rendererIndex) != C.TRACK_TYPE_TEXT) {
parametersBuilder.setRendererDisabled(rendererIndex, /* disabled= */
true);
}
}
parametersBuilder.setSelectUndeterminedTextLanguage(selectUndeterminedTextLanguage);
for (String language : languages) {
parametersBuilder.setPreferredTextLanguage(language);
addTrackSelection(periodIndex, parametersBuilder.build());
}
}
}
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