Examples with TrackSelectorResult com.google.android.exoplayer2.trackselection.TrackSelectorResult used on opensource projects

Example 16 with TrackSelectorResult

use of com.google.android.exoplayer2.trackselection.TrackSelectorResult in project ExoPlayer by google.

the class DefaultTrackSelectorTest method selectPreferredTextTrackMultipleRenderers.

/**
 * Tests audio track selection when there are multiple audio renderers.
 */
@Test
public void selectPreferredTextTrackMultipleRenderers() throws Exception {
    Format.Builder formatBuilder = TEXT_FORMAT.buildUpon();
    Format english = formatBuilder.setId("en").setLanguage("en").build();
    Format german = formatBuilder.setId("de").setLanguage("de").build();
    // First renderer handles english.
    Map<String, Integer> firstRendererMappedCapabilities = new HashMap<>();
    firstRendererMappedCapabilities.put(english.id, FORMAT_HANDLED);
    firstRendererMappedCapabilities.put(german.id, FORMAT_UNSUPPORTED_SUBTYPE);
    RendererCapabilities firstRendererCapabilities = new FakeMappedRendererCapabilities(C.TRACK_TYPE_TEXT, firstRendererMappedCapabilities);
    // Second renderer handles german.
    Map<String, Integer> secondRendererMappedCapabilities = new HashMap<>();
    secondRendererMappedCapabilities.put(english.id, FORMAT_UNSUPPORTED_SUBTYPE);
    secondRendererMappedCapabilities.put(german.id, FORMAT_HANDLED);
    RendererCapabilities secondRendererCapabilities = new FakeMappedRendererCapabilities(C.TRACK_TYPE_TEXT, secondRendererMappedCapabilities);
    RendererCapabilities[] rendererCapabilities = new RendererCapabilities[] { firstRendererCapabilities, secondRendererCapabilities };
    TrackGroupArray trackGroups = wrapFormats(english, german);
    // Without an explicit language preference, nothing should be selected.
    TrackSelectorResult result = trackSelector.selectTracks(rendererCapabilities, trackGroups, periodId, TIMELINE);
    assertNoSelection(result.selections[0]);
    assertNoSelection(result.selections[1]);
    // Explicit language preference for english. First renderer should be used.
    trackSelector.setParameters(defaultParameters.buildUpon().setPreferredTextLanguage("en"));
    result = trackSelector.selectTracks(rendererCapabilities, trackGroups, periodId, TIMELINE);
    assertFixedSelection(result.selections[0], trackGroups, english);
    assertNoSelection(result.selections[1]);
    // Explicit language preference for German. Second renderer should be used.
    trackSelector.setParameters(defaultParameters.buildUpon().setPreferredTextLanguage("de"));
    result = trackSelector.selectTracks(rendererCapabilities, trackGroups, periodId, TIMELINE);
    assertNoSelection(result.selections[0]);
    assertFixedSelection(result.selections[1], trackGroups, german);
}

Example 17 with TrackSelectorResult

use of com.google.android.exoplayer2.trackselection.TrackSelectorResult in project ExoPlayer by google.

the class DefaultTrackSelectorTest method selectTracks_withPreferredTextRoleFlags_selectPreferredTrack.

/**
 * Tests that track selector will select the text track with the highest number of matching role
 * flags given by {@link Parameters}.
 */
@Test
public void selectTracks_withPreferredTextRoleFlags_selectPreferredTrack() throws Exception {
    Format.Builder formatBuilder = TEXT_FORMAT.buildUpon();
    Format noRoleFlags = formatBuilder.build();
    Format lessRoleFlags = formatBuilder.setRoleFlags(C.ROLE_FLAG_CAPTION).build();
    Format moreRoleFlags = formatBuilder.setRoleFlags(C.ROLE_FLAG_CAPTION | C.ROLE_FLAG_COMMENTARY | C.ROLE_FLAG_DUB).build();
    TrackGroupArray trackGroups = wrapFormats(noRoleFlags, moreRoleFlags, lessRoleFlags);
    trackSelector.setParameters(defaultParameters.buildUpon().setPreferredTextRoleFlags(C.ROLE_FLAG_CAPTION | C.ROLE_FLAG_COMMENTARY));
    TrackSelectorResult result = trackSelector.selectTracks(new RendererCapabilities[] { ALL_TEXT_FORMAT_SUPPORTED_RENDERER_CAPABILITIES }, trackGroups, periodId, TIMELINE);
    assertFixedSelection(result.selections[0], trackGroups, moreRoleFlags);
    // Also verify that exact match between parameters and tracks is preferred.
    trackSelector.setParameters(defaultParameters.buildUpon().setPreferredTextRoleFlags(C.ROLE_FLAG_CAPTION));
    result = trackSelector.selectTracks(new RendererCapabilities[] { ALL_TEXT_FORMAT_SUPPORTED_RENDERER_CAPABILITIES }, trackGroups, periodId, TIMELINE);
    assertFixedSelection(result.selections[0], trackGroups, lessRoleFlags);
}

Example 18 with TrackSelectorResult

use of com.google.android.exoplayer2.trackselection.TrackSelectorResult in project ExoPlayer by google.

the class DefaultTrackSelectorTest method selectTracksPreferTrackWithinCapabilitiesOverSelectionFlagAndPreferredLanguage.

/**
 * Tests that track selector will prefer tracks that are within renderer's capabilities over track
 * that have both language matching preferred audio given by {@link Parameters} and {@link
 * C#SELECTION_FLAG_DEFAULT}, but exceed renderer's capabilities.
 */
@Test
public void selectTracksPreferTrackWithinCapabilitiesOverSelectionFlagAndPreferredLanguage() throws Exception {
    Format.Builder formatBuilder = AUDIO_FORMAT.buildUpon();
    Format exceededDefaultSelectionEnFormat = formatBuilder.setId("exceededFormat").setSelectionFlags(C.SELECTION_FLAG_DEFAULT).setLanguage("eng").build();
    Format supportedFrFormat = formatBuilder.setId("supportedFormat").setSelectionFlags(0).setLanguage("fra").build();
    TrackGroupArray trackGroups = wrapFormats(exceededDefaultSelectionEnFormat, supportedFrFormat);
    Map<String, Integer> mappedCapabilities = new HashMap<>();
    mappedCapabilities.put(exceededDefaultSelectionEnFormat.id, FORMAT_EXCEEDS_CAPABILITIES);
    mappedCapabilities.put(supportedFrFormat.id, FORMAT_HANDLED);
    RendererCapabilities mappedAudioRendererCapabilities = new FakeMappedRendererCapabilities(C.TRACK_TYPE_AUDIO, mappedCapabilities);
    trackSelector.setParameters(defaultParameters.buildUpon().setPreferredAudioLanguage("eng"));
    TrackSelectorResult result = trackSelector.selectTracks(new RendererCapabilities[] { mappedAudioRendererCapabilities }, trackGroups, periodId, TIMELINE);
    assertFixedSelection(result.selections[0], trackGroups, supportedFrFormat);
}

Example 19 with TrackSelectorResult

use of com.google.android.exoplayer2.trackselection.TrackSelectorResult in project ExoPlayer by google.

the class DefaultTrackSelectorTest method selectTracksPreferHigherSampleRateBeforeBitrate.

/**
 * Tests that track selector will prefer audio tracks with higher sample rate over tracks with
 * higher bitrate when other factors are the same, and tracks are within renderer's capabilities.
 */
@Test
public void selectTracksPreferHigherSampleRateBeforeBitrate() throws Exception {
    Format.Builder formatBuilder = AUDIO_FORMAT.buildUpon();
    Format higherSampleRateLowerBitrateFormat = formatBuilder.setAverageBitrate(15000).setSampleRate(44100).build();
    Format lowerSampleRateHigherBitrateFormat = formatBuilder.setAverageBitrate(30000).setSampleRate(22050).build();
    TrackGroupArray trackGroups = wrapFormats(higherSampleRateLowerBitrateFormat, lowerSampleRateHigherBitrateFormat);
    TrackSelectorResult result = trackSelector.selectTracks(new RendererCapabilities[] { ALL_AUDIO_FORMAT_SUPPORTED_RENDERER_CAPABILITIES }, trackGroups, periodId, TIMELINE);
    assertFixedSelection(result.selections[0], trackGroups, higherSampleRateLowerBitrateFormat);
}

Example 20 with TrackSelectorResult

use of com.google.android.exoplayer2.trackselection.TrackSelectorResult in project ExoPlayer by google.

the class DefaultTrackSelectorTest method selectTracks_multipleVideoTracksWithoutBitrate_onlySelectsSingleTrack.

@Test
public void selectTracks_multipleVideoTracksWithoutBitrate_onlySelectsSingleTrack() throws Exception {
    TrackGroupArray trackGroups = singleTrackGroup(VIDEO_FORMAT.buildUpon().setId("0").setAverageBitrate(Format.NO_VALUE).build(), VIDEO_FORMAT.buildUpon().setId("1").setAverageBitrate(Format.NO_VALUE).build());
    TrackSelectorResult result = trackSelector.selectTracks(new RendererCapabilities[] { VIDEO_CAPABILITIES }, trackGroups, periodId, TIMELINE);
    assertThat(result.length).isEqualTo(1);
    assertFixedSelection(result.selections[0], trackGroups.get(0), /* expectedTrack= */
    0);
}