Examples with Transformer androidx.media3.transformer.Transformer used on opensource projects

Example 51 with Transformer

use of androidx.media3.transformer.Transformer in project ExoPlayer by google.

the class RepeatedTranscodeTransformationTest method repeatedTranscodeNoVideo_givesConsistentLengthOutput.

@Test
public void repeatedTranscodeNoVideo_givesConsistentLengthOutput() throws Exception {
    Context context = ApplicationProvider.getApplicationContext();
    Transformer transformer = new Transformer.Builder(context).setRemoveVideo(true).setTransformationRequest(new TransformationRequest.Builder().setAudioMimeType(MimeTypes.AUDIO_AMR_NB).build()).build();
    Set<Long> differentOutputSizesBytes = new HashSet<>();
    for (int i = 0; i < TRANSCODE_COUNT; i++) {
        // Use a long video in case an error occurs a while after the start of the video.
        AndroidTestUtil.TransformationResult result = runTransformer(context, /* testId= */
        "repeatedTranscodeNoVideo_givesConsistentLengthOutput_" + i, transformer, AndroidTestUtil.REMOTE_MP4_10_SECONDS_URI_STRING, /* timeoutSeconds= */
        120);
        differentOutputSizesBytes.add(Assertions.checkNotNull(result.fileSizeBytes));
    }
    assertWithMessage("Different transcoding output sizes detected. Sizes: " + differentOutputSizesBytes).that(differentOutputSizesBytes.size()).isEqualTo(1);
}