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Add MMT/TLV extractor for ISDB-S3 4K/8K broadcast streams #3332

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Add MMT/TLV extractor for ISDB-S3 4K/8K broadcast streams #3332

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b1e688d
Add MMT/TLV extractor foundation
osscv Jul 13, 2026
a549466
Fix MMT Package Table parsing for real ARIB (NHK) streams
osscv Jul 13, 2026
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15 changes: 14 additions & 1 deletion libraries/common/src/main/java/androidx/media3/common/FileTypes.java
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Original file line number Diff line number Diff line change
Expand Up @@ -59,14 +59,15 @@ public final class FileTypes {
* <li>{@link #BMP}
* <li>{@link #HEIF}
* <li>{@link #AVIF}
* <li>{@link #MMT_TLV}
* </ul>
*/
@Documented
@Retention(RetentionPolicy.SOURCE)
@Target(TYPE_USE)
@IntDef({
UNKNOWN, AC3, AC4, ADTS, AMR, FLAC, FLV, MATROSKA, MP3, MP4, OGG, PS, TS, WAV, WEBVTT, JPEG,
MIDI, AVI, PNG, WEBP, BMP, HEIF, AVIF
MIDI, AVI, PNG, WEBP, BMP, HEIF, AVIF, MMT_TLV
})
public @interface Type {}

Expand Down Expand Up @@ -139,6 +140,9 @@ public final class FileTypes {
/** File type for the AVIF format. */
public static final int AVIF = 21;

/** File type for the MMT (MPEG Media Transport) over TLV format. */
public static final int MMT_TLV = 22;

@VisibleForTesting /* package */ static final String HEADER_CONTENT_TYPE = "Content-Type";

private static final String EXTENSION_AC3 = ".ac3";
Expand Down Expand Up @@ -181,6 +185,9 @@ public final class FileTypes {
private static final String EXTENSION_HEIC = ".heic";
private static final String EXTENSION_HEIF = ".heif";
private static final String EXTENSION_AVIF = ".avif";
private static final String EXTENSION_MMT = ".mmt";
private static final String EXTENSION_MMTS = ".mmts";
private static final String EXTENSION_TLV = ".tlv";

private FileTypes() {}

Expand Down Expand Up @@ -257,6 +264,8 @@ private FileTypes() {}
return FileTypes.HEIF;
case MimeTypes.IMAGE_AVIF:
return FileTypes.AVIF;
case MimeTypes.VIDEO_MMT_TLV:
return FileTypes.MMT_TLV;
default:
return FileTypes.UNKNOWN;
}
Expand Down Expand Up @@ -334,6 +343,10 @@ private FileTypes() {}
return FileTypes.HEIF;
} else if (filename.endsWith(EXTENSION_AVIF)) {
return FileTypes.AVIF;
} else if (filename.endsWith(EXTENSION_MMT)
|| filename.endsWith(EXTENSION_MMTS)
|| filename.endsWith(EXTENSION_TLV)) {
return FileTypes.MMT_TLV;
} else {
return FileTypes.UNKNOWN;
}
Expand Down
1 change: 1 addition & 0 deletions libraries/common/src/main/java/androidx/media3/common/MimeTypes.java
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Expand Up @@ -53,6 +53,7 @@ public final class MimeTypes {
@UnstableApi public static final String VIDEO_VP9 = BASE_TYPE_VIDEO + "/x-vnd.on2.vp9";
public static final String VIDEO_AV1 = BASE_TYPE_VIDEO + "/av01";
public static final String VIDEO_MP2T = BASE_TYPE_VIDEO + "/mp2t";
@UnstableApi public static final String VIDEO_MMT_TLV = BASE_TYPE_VIDEO + "/mmt-tlv";
public static final String VIDEO_MP4V = BASE_TYPE_VIDEO + "/mp4v-es";
public static final String VIDEO_MPEG = BASE_TYPE_VIDEO + "/mpeg";
public static final String VIDEO_PS = BASE_TYPE_VIDEO + "/mp2p";
Expand Down
8 changes: 7 additions & 1 deletion libraries/extractor/src/main/java/androidx/media3/extractor/DefaultExtractorsFactory.java
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Original file line number Diff line number Diff line change
Expand Up @@ -37,6 +37,7 @@
import androidx.media3.extractor.heif.HeifExtractor;
import androidx.media3.extractor.jpeg.JpegExtractor;
import androidx.media3.extractor.mkv.MatroskaExtractor;
import androidx.media3.extractor.mmt.TlvExtractor;
import androidx.media3.extractor.mp3.Mp3Extractor;
import androidx.media3.extractor.mp4.FragmentedMp4Extractor;
import androidx.media3.extractor.mp4.Mp4Extractor;
Expand Down Expand Up @@ -94,6 +95,7 @@
* <li>BMP ({@link BmpExtractor})
* <li>HEIF ({@link HeifExtractor})
* <li>AVIF ({@link AvifExtractor})
* <li>MMT/TLV ({@link TlvExtractor})
* <li>MIDI, if available, the MIDI extension's {@code androidx.media3.decoder.midi.MidiExtractor}
* is used.
* </ul>
Expand Down Expand Up @@ -129,7 +131,8 @@ public final class DefaultExtractorsFactory implements ExtractorsFactory {
FileTypes.WEBP,
FileTypes.BMP,
FileTypes.HEIF,
FileTypes.AVIF
FileTypes.AVIF,
FileTypes.MMT_TLV
};

private static final ExtensionLoader FLAC_EXTENSION_LOADER =
Expand Down Expand Up @@ -613,6 +616,9 @@ private void addExtractorsForFileType(@FileTypes.Type int fileType, List<Extract
case FileTypes.AVIF:
extractors.add(new AvifExtractor());
break;
case FileTypes.MMT_TLV:
extractors.add(new TlvExtractor());
break;
case FileTypes.WEBVTT:
case FileTypes.UNKNOWN:
default:
Expand Down
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