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Code Issues Projects Releases Wiki Activity

fix(youtube/spoof-signature-verification): additional fixes for subtitle window positions (#369)

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LisoUseInAIKyrios 2023-04-25 17:22:52 +04:00 committed by GitHub
parent cb7063b2b3
commit 6f2ae313cf
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1 changed files with 42 additions and 14 deletions
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app/src/main/java/app/revanced/integrations/patches/SpoofSignatureVerificationPatch.java
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@ -1,12 +1,15 @@
package app.revanced.integrations.patches;
import static app.revanced.integrations.utils.ReVancedUtils.containsAny;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import app.revanced.integrations.settings.SettingsEnum;
import app.revanced.integrations.shared.PlayerType;
import app.revanced.integrations.utils.LogHelper;
import app.revanced.integrations.utils.ReVancedUtils;
import static app.revanced.integrations.utils.ReVancedUtils.containsAny;
public class SpoofSignatureVerificationPatch {
/**
* Protobuf parameters used for autoplay in scrim.
@ -28,6 +31,14 @@ public class SpoofSignatureVerificationPatch {
"SAFg" // Autoplay in scrim
};
@Nullable
private static String currentVideoId;
/**
* If any of the subtitles settings encountered from the current video have been non default values.
*/
private static boolean nonDefaultSubtitlesEncountered;
/**
* Injection point.
*
@ -49,7 +60,7 @@ public class SpoofSignatureVerificationPatch {
if (isPlayingFeed) {
// Videos in feed won't autoplay with sound.
return PROTOBUF_PARAMETER_SCRIM + PROTOBUF_PARAMETER_SHORTS;
} else{
} else {
// Spoof the parameter to prevent playback issues.
return PROTOBUF_PARAMETER_SHORTS;
}
@ -121,21 +132,40 @@ public class SpoofSignatureVerificationPatch {
// Videos with custom captions that specify screen positions appear to always have correct screen positions (even with spoofing).
// But for auto generated and most other captions, the spoof incorrectly gives various default Shorts caption settings.
// Check for these known default shorts captions parameters, and replace with the known correct values.
if (signatureSpoofing && !PlayerType.getCurrent().isNoneOrHidden()) { // video is not a Short or Story
//
// If a regular video uses a custom subtitle setting that match a default short setting,
// then this will incorrectly replace the setting.
// But, if the video uses multiple subtitles in different screen locations, then detect the non-default values
// and do not replace any window settings for the video (regardless if they match a shorts default).
if (signatureSpoofing && !nonDefaultSubtitlesEncountered && !PlayerType.getCurrent().isNoneOrHidden()) {
for (SubtitleWindowReplacementSettings setting : SubtitleWindowReplacementSettings.values()) {
if (setting.match(ap, ah, av, vs, sd)) {
return setting.replacementSetting();
}
}
// Parameters are either subtitles with custom positions, or a set of unidentified (and incorrect) default parameters.
// The subtitles could be forced to the bottom no matter what, but that would override custom screen positions.
// For now, just return the original parameters.
// Settings appear to be custom subtitles.
nonDefaultSubtitlesEncountered = true;
LogHelper.printDebug(() -> "Non default subtitles found. Using existing settings without replacement.");
}
// No matches, pass back the original values
return new int[]{ap, ah, av};
}
/**
* Injection point.
*/
public static void setCurrentVideoId(@NonNull String videoId) {
try {
if (videoId.equals(currentVideoId)) {
return;
}
currentVideoId = videoId;
nonDefaultSubtitlesEncountered = false;
} catch (Exception ex) {
LogHelper.printException(() -> "setCurrentVideoId failure", ex);
}
}
/**
* Known incorrect default Shorts subtitle parameters, and the corresponding correct (non-Shorts) values.
@ -152,8 +182,8 @@ public class SpoofSignatureVerificationPatch {
final int ap, ah, av;
final boolean vs, sd;
// replacement values
final int replacementAp, replacementAh, replacementAv;
// replacement int values
final int[] replacement;
SubtitleWindowReplacementSettings(int ap, int ah, int av, boolean vs, boolean sd,
int replacementAp, int replacementAh, int replacementAv) {
@ -162,9 +192,7 @@ public class SpoofSignatureVerificationPatch {
this.av = av;
this.vs = vs;
this.sd = sd;
this.replacementAp = replacementAp;
this.replacementAh = replacementAh;
this.replacementAv = replacementAv;
this.replacement = new int[]{replacementAp, replacementAh, replacementAv};
}
boolean match(int ap, int ah, int av, boolean vs, boolean sd) {
@ -172,7 +200,7 @@ public class SpoofSignatureVerificationPatch {
}
int[] replacementSetting() {
return new int[]{replacementAp, replacementAh, replacementAv};
return replacement;
}
}
}