Examples with SubtitleExtractor androidx.media3.extractor.text.SubtitleExtractor used on opensource projects

Example 6 with SubtitleExtractor

use of androidx.media3.extractor.text.SubtitleExtractor in project media by androidx.

the class SubtitleExtractorTest method released_calledTwice.

@Test
public void released_calledTwice() {
    SubtitleExtractor extractor = new SubtitleExtractor(new WebvttDecoder(), new Format.Builder().build());
    FakeExtractorOutput output = new FakeExtractorOutput();
    extractor.init(output);
    extractor.release();
    extractor.release();
// Calling realease() twice does not throw an exception.
}

Example 7 with SubtitleExtractor

use of androidx.media3.extractor.text.SubtitleExtractor in project media by androidx.

the class SubtitleExtractorTest method seek_afterRelease_fails.

@Test
public void seek_afterRelease_fails() {
    SubtitleExtractor extractor = new SubtitleExtractor(new WebvttDecoder(), new Format.Builder().build());
    FakeExtractorOutput output = new FakeExtractorOutput();
    extractor.init(output);
    extractor.release();
    assertThrows(IllegalStateException.class, () -> extractor.seek(0, 0));
}

Example 8 with SubtitleExtractor

use of androidx.media3.extractor.text.SubtitleExtractor in project media by androidx.

the class SubtitleExtractorTest method extractor_outputsCues.

@Test
public void extractor_outputsCues() throws Exception {
    CueDecoder decoder = new CueDecoder();
    FakeExtractorOutput output = new FakeExtractorOutput();
    FakeExtractorInput input = new FakeExtractorInput.Builder().setData(Util.getUtf8Bytes(TEST_DATA)).setSimulatePartialReads(true).build();
    SubtitleExtractor extractor = new SubtitleExtractor(new WebvttDecoder(), new Format.Builder().setSampleMimeType(MimeTypes.TEXT_VTT).build());
    extractor.init(output);
    while (extractor.read(input, null) != Extractor.RESULT_END_OF_INPUT) {
    }
    FakeTrackOutput trackOutput = output.trackOutputs.get(0);
    assertThat(trackOutput.lastFormat.sampleMimeType).isEqualTo(MimeTypes.TEXT_EXOPLAYER_CUES);
    assertThat(trackOutput.lastFormat.codecs).isEqualTo(MimeTypes.TEXT_VTT);
    assertThat(trackOutput.getSampleCount()).isEqualTo(6);
    // Check sample timestamps.
    assertThat(trackOutput.getSampleTimeUs(0)).isEqualTo(0L);
    assertThat(trackOutput.getSampleTimeUs(1)).isEqualTo(1_234_000L);
    assertThat(trackOutput.getSampleTimeUs(2)).isEqualTo(2_345_000L);
    assertThat(trackOutput.getSampleTimeUs(3)).isEqualTo(2_600_000L);
    assertThat(trackOutput.getSampleTimeUs(4)).isEqualTo(3_456_000L);
    assertThat(trackOutput.getSampleTimeUs(5)).isEqualTo(4_567_000L);
    // Check sample content.
    List<Cue> cues0 = decoder.decode(trackOutput.getSampleData(0));
    assertThat(cues0).hasSize(1);
    assertThat(cues0.get(0).text.toString()).isEqualTo("This is the first subtitle.");
    List<Cue> cues1 = decoder.decode(trackOutput.getSampleData(1));
    assertThat(cues1).isEmpty();
    List<Cue> cues2 = decoder.decode(trackOutput.getSampleData(2));
    assertThat(cues2).hasSize(1);
    assertThat(cues2.get(0).text.toString()).isEqualTo("This is the second subtitle.");
    List<Cue> cues3 = decoder.decode(trackOutput.getSampleData(3));
    assertThat(cues3).hasSize(2);
    assertThat(cues3.get(0).text.toString()).isEqualTo("This is the second subtitle.");
    assertThat(cues3.get(1).text.toString()).isEqualTo("This is the third subtitle.");
    List<Cue> cues4 = decoder.decode(trackOutput.getSampleData(4));
    assertThat(cues4).hasSize(1);
    assertThat(cues4.get(0).text.toString()).isEqualTo("This is the third subtitle.");
    List<Cue> cues5 = decoder.decode(trackOutput.getSampleData(5));
    assertThat(cues5).isEmpty();
}

Example 9 with SubtitleExtractor

use of androidx.media3.extractor.text.SubtitleExtractor in project media by androidx.

the class SubtitleExtractorTest method read_afterRelease_fails.

@Test
public void read_afterRelease_fails() {
    FakeExtractorInput input = new FakeExtractorInput.Builder().setData(new byte[0]).build();
    SubtitleExtractor extractor = new SubtitleExtractor(new WebvttDecoder(), new Format.Builder().build());
    FakeExtractorOutput output = new FakeExtractorOutput();
    extractor.init(output);
    extractor.release();
    assertThrows(IllegalStateException.class, () -> extractor.read(input, null));
}