Rabbit-R1/android (non root)/java/sources/androidx/media3/extractor/GaplessInfoHolder.java
2024-05-21 17:08:36 -04:00

71 lines
2.6 KiB
Java

package androidx.media3.extractor;
import androidx.media3.common.Metadata;
import androidx.media3.common.util.Util;
import androidx.media3.extractor.metadata.id3.CommentFrame;
import androidx.media3.extractor.metadata.id3.InternalFrame;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/* loaded from: classes2.dex */
public final class GaplessInfoHolder {
private static final Pattern GAPLESS_COMMENT_PATTERN = Pattern.compile("^ [0-9a-fA-F]{8} ([0-9a-fA-F]{8}) ([0-9a-fA-F]{8})");
private static final String GAPLESS_DESCRIPTION = "iTunSMPB";
private static final String GAPLESS_DOMAIN = "com.apple.iTunes";
public int encoderDelay = -1;
public int encoderPadding = -1;
public boolean hasGaplessInfo() {
return (this.encoderDelay == -1 || this.encoderPadding == -1) ? false : true;
}
public boolean setFromXingHeaderValue(int i) {
int i2 = i >> 12;
int i3 = i & 4095;
if (i2 <= 0 && i3 <= 0) {
return false;
}
this.encoderDelay = i2;
this.encoderPadding = i3;
return true;
}
public boolean setFromMetadata(Metadata metadata) {
for (int i = 0; i < metadata.length(); i++) {
Metadata.Entry entry = metadata.get(i);
if (entry instanceof CommentFrame) {
CommentFrame commentFrame = (CommentFrame) entry;
if (GAPLESS_DESCRIPTION.equals(commentFrame.description) && setFromComment(commentFrame.text)) {
return true;
}
} else if (entry instanceof InternalFrame) {
InternalFrame internalFrame = (InternalFrame) entry;
if (GAPLESS_DOMAIN.equals(internalFrame.domain) && GAPLESS_DESCRIPTION.equals(internalFrame.description) && setFromComment(internalFrame.text)) {
return true;
}
} else {
continue;
}
}
return false;
}
private boolean setFromComment(String str) {
Matcher matcher = GAPLESS_COMMENT_PATTERN.matcher(str);
if (!matcher.find()) {
return false;
}
try {
int parseInt = Integer.parseInt((String) Util.castNonNull(matcher.group(1)), 16);
int parseInt2 = Integer.parseInt((String) Util.castNonNull(matcher.group(2)), 16);
if (parseInt <= 0 && parseInt2 <= 0) {
return false;
}
this.encoderDelay = parseInt;
this.encoderPadding = parseInt2;
return true;
} catch (NumberFormatException unused) {
return false;
}
}
}