loliball/media
1
0
Fork 0
mirror of https://github.com/androidx/media.git synced 2025-04-30 06:46:50 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

Write metadata to Mp4Muxer in the release() method

Browse Source 
Earlier metadata was written multiple times as it came.
With new changes, all the distinct metadata entries will
get collected and will be written at once in the end.

PiperOrigin-RevId: 534088401
This commit is contained in:
sheenachhabra 2023-05-22 17:24:34 +01:00 committed by tonihei
parent a6897aedaa
commit a9e3f5def4
1 changed files with 16 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
libraries/transformer/src/main/java/androidx/media3/transformer/InAppMuxer.java
View File

@ -33,7 +33,9 @@ import java.io.FileOutputStream;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Set;
/** {@link Muxer} implementation that uses a {@link Mp4Muxer}. */
@UnstableApi
@ -85,12 +87,14 @@ public final class InAppMuxer implements Muxer {
private final long maxDelayBetweenSamplesMs;
private final List<TrackToken> trackTokenList;
private final BufferInfo bufferInfo;
private final Set<Metadata.Entry> metadataEntries;
private InAppMuxer(Mp4Muxer mp4Muxer, long maxDelayBetweenSamplesMs) {
this.mp4Muxer = mp4Muxer;
this.maxDelayBetweenSamplesMs = maxDelayBetweenSamplesMs;
trackTokenList = new ArrayList<>();
bufferInfo = new BufferInfo();
metadataEntries = new LinkedHashSet<>();
}
@Override
@ -133,15 +137,16 @@ public final class InAppMuxer implements Muxer {
public void addMetadata(Metadata metadata) {
for (int i = 0; i < metadata.length(); i++) {
Metadata.Entry entry = metadata.get(i);
// Keep only supported metadata.
if (entry instanceof Mp4LocationData) {
mp4Muxer.setLocation(
((Mp4LocationData) entry).latitude, ((Mp4LocationData) entry).longitude);
metadataEntries.add(entry);
}
}
}
@Override
public void release(boolean forCancellation) throws MuxerException {
writeMetadata();
try {
mp4Muxer.close();
} catch (IOException e) {
@ -153,4 +158,13 @@ public final class InAppMuxer implements Muxer {
public long getMaxDelayBetweenSamplesMs() {
return maxDelayBetweenSamplesMs;
}
private void writeMetadata() {
for (Metadata.Entry entry : metadataEntries) {
if (entry instanceof Mp4LocationData) {
mp4Muxer.setLocation(
((Mp4LocationData) entry).latitude, ((Mp4LocationData) entry).longitude);
}
}
}
}