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

Example 51 with TrackSelectorResult

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

the class DefaultTrackSelectorTest method selectTracksWithMultipleVideoTracks.

@Test
public void selectTracksWithMultipleVideoTracks() throws Exception {
    Format.Builder formatBuilder = VIDEO_FORMAT.buildUpon();
    TrackGroupArray trackGroups = singleTrackGroup(formatBuilder.setId("0").build(), formatBuilder.setId("1").build());
    TrackSelectorResult result = trackSelector.selectTracks(new RendererCapabilities[] { VIDEO_CAPABILITIES }, trackGroups, periodId, TIMELINE);
    assertThat(result.length).isEqualTo(1);
    assertAdaptiveSelection(result.selections[0], trackGroups.get(0), 0, 1);
}

Example 52 with TrackSelectorResult

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

the class DefaultTrackSelectorTest method selectTracksSelectPreferredAudioLanguageOverSelectionFlag.

/**
 * Tests that track selector will prefer selecting audio track with language that match preferred
 * language given by {@link Parameters} over track with {@link C#SELECTION_FLAG_DEFAULT}.
 */
@Test
public void selectTracksSelectPreferredAudioLanguageOverSelectionFlag() throws Exception {
    Format.Builder formatBuilder = AUDIO_FORMAT.buildUpon();
    Format frDefaultFormat = formatBuilder.setLanguage("fra").setSelectionFlags(C.SELECTION_FLAG_DEFAULT).build();
    Format enNonDefaultFormat = formatBuilder.setLanguage("eng").setSelectionFlags(0).build();
    TrackGroupArray trackGroups = wrapFormats(frDefaultFormat, enNonDefaultFormat);
    trackSelector.setParameters(defaultParameters.buildUpon().setPreferredAudioLanguage("eng"));
    TrackSelectorResult result = trackSelector.selectTracks(new RendererCapabilities[] { ALL_AUDIO_FORMAT_SUPPORTED_RENDERER_CAPABILITIES }, trackGroups, periodId, TIMELINE);
    assertFixedSelection(result.selections[0], trackGroups, enNonDefaultFormat);
}

Example 53 with TrackSelectorResult

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

the class DefaultTrackSelectorTest method selectPreferredAudioTrackMultipleRenderers.

/**
 * Tests audio track selection when there are multiple audio renderers.
 */
@Test
public void selectPreferredAudioTrackMultipleRenderers() throws Exception {
    Format.Builder formatBuilder = AUDIO_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_AUDIO, 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_AUDIO, secondRendererMappedCapabilities);
    RendererCapabilities[] rendererCapabilities = new RendererCapabilities[] { firstRendererCapabilities, secondRendererCapabilities };
    // Without an explicit language preference, prefer the first renderer.
    TrackGroupArray trackGroups = wrapFormats(english, german);
    TrackSelectorResult result = trackSelector.selectTracks(rendererCapabilities, trackGroups, periodId, TIMELINE);
    assertFixedSelection(result.selections[0], trackGroups, english);
    assertNoSelection(result.selections[1]);
    // Explicit language preference for english. First renderer should be used.
    trackSelector.setParameters(defaultParameters.buildUpon().setPreferredAudioLanguage("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().setPreferredAudioLanguage("de"));
    result = trackSelector.selectTracks(rendererCapabilities, trackGroups, periodId, TIMELINE);
    assertNoSelection(result.selections[0]);
    assertFixedSelection(result.selections[1], trackGroups, german);
}

Example 54 with TrackSelectorResult

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

the class DefaultTrackSelectorTest method selectTracks_withPreferredVideoRoleFlags_selectPreferredTrack.

/**
 * Tests that track selector will select the video track with the highest number of matching role
 * flags given by {@link Parameters}.
 */
@Test
public void selectTracks_withPreferredVideoRoleFlags_selectPreferredTrack() throws Exception {
    Format.Builder formatBuilder = VIDEO_FORMAT.buildUpon();
    Format noRoleFlagsLow = formatBuilder.setAverageBitrate(4000).build();
    Format noRoleFlagsHigh = formatBuilder.setAverageBitrate(8000).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();
    // Use an adaptive group to check that role flags have higher priority than number of tracks.
    TrackGroup adaptiveNoRoleFlagsGroup = new TrackGroup(noRoleFlagsLow, noRoleFlagsHigh);
    TrackGroupArray trackGroups = new TrackGroupArray(adaptiveNoRoleFlagsGroup, new TrackGroup(moreRoleFlags), new TrackGroup(lessRoleFlags));
    trackSelector.setParameters(defaultParameters.buildUpon().setPreferredVideoRoleFlags(C.ROLE_FLAG_CAPTION | C.ROLE_FLAG_COMMENTARY));
    TrackSelectorResult result = trackSelector.selectTracks(new RendererCapabilities[] { VIDEO_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().setPreferredVideoRoleFlags(C.ROLE_FLAG_CAPTION));
    result = trackSelector.selectTracks(new RendererCapabilities[] { VIDEO_CAPABILITIES }, trackGroups, periodId, TIMELINE);
    assertFixedSelection(result.selections[0], trackGroups, lessRoleFlags);
}

Example 55 with TrackSelectorResult

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

the class DefaultTrackSelectorTest method selectTracksExceedingCapabilitiesPreferLowerSampleRateBeforeBitrate.

/**
 * Tests that track selector will prefer audio tracks with lower sample rate over tracks with
 * lower bitrate when other factors are the same, and tracks are within renderer's capabilities.
 */
@Test
public void selectTracksExceedingCapabilitiesPreferLowerSampleRateBeforeBitrate() 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_EXCEEDED_RENDERER_CAPABILITIES }, trackGroups, periodId, TIMELINE);
    assertFixedSelection(result.selections[0], trackGroups, lowerSampleRateHigherBitrateFormat);
}