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Do not write empty track (with no samples) in a non fragmented MP4

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PiperOrigin-RevId: 600453680
(cherry picked from commit 94bf9fa81d836b25cb893cf09e71045b3bbeef8a)
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sheenachhabra 2024-01-22 07:42:26 -08:00 committed by SheenaChhabra
parent 6632531c4a
commit 50e0072dac
1 changed files with 3 additions and 0 deletions
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libraries/muxer/src/main/java/androidx/media3/muxer/Mp4MoovStructure.java
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@ -67,6 +67,9 @@ import org.checkerframework.checker.nullness.qual.PolyNull;
long videoDurationUs = 0L;
for (int i = 0; i < tracks.size(); i++) {
TrackMetadataProvider track = tracks.get(i);
if (!isFragmentedMp4 && track.writtenSamples().isEmpty()) {
continue;
}
Format format = track.format();
String languageCode = bcp47LanguageTagToIso3(format.language);