Implement randomTime for videos that don't exist in dearrow.

src/main/java/me/kavin/piped/utils/Alea.java

@@ -0,0 +1,50 @@
+package me.kavin.piped.utils;
+
+public class Alea {
+
+ private static final double NORM32 = 2.3283064365386963e-10; // 2^-32
+ private double s0, s1, s2;
+ private int c = 1;
+
+ public double next() {
+ double t = 2091639.0 * s0 + c * NORM32; // 2^-32
+ s0 = s1;
+ s1 = s2;
+ return s2 = t - (c = (int) t);
+ }
+
+ public Alea(String seed) {
+ s0 = mash(" ");
+ s1 = mash(" ");
+ s2 = mash(" ");
+
+ s0 -= mash(seed);
+
+ if (s0 < 0)
+ s0 += 1;
+ s1 -= mash(seed);
+ if (s1 < 0)
+ s1 += 1;
+ s2 -= mash(seed);
+ if (s2 < 0)
+ s2 += 1;
+ }
+
+ private long n = 0xefc8249dL;
+
+ public double mash(String x) {
+ double h;
+
+ for (char c : x.toCharArray()) {
+ n += c;
+ h = 0.02519603282416938 * n;
+ n = (long) h;
+ h -= n;
+ h *= n;
+ n = (long) h;
+ h -= n;
+ n += h * 0x100000000L;
+ }
+ return n * 2.3283064365386963e-10; // 2^-32
+ }
+}

src/main/java/me/kavin/piped/utils/SponsorBlockUtils.java

@@ -85,6 +85,15 @@ private static CompletableFuture<Optional<JsonNode>> getDeArrowedInfo(String vid
 
  }
 
+ private static final ObjectNode EMPTY_DEARROWED_INFO;
+
+ static {
+ EMPTY_DEARROWED_INFO = mapper.createObjectNode();
+ EMPTY_DEARROWED_INFO.putArray("titles");
+ EMPTY_DEARROWED_INFO.putArray("thumbnails");
+ EMPTY_DEARROWED_INFO.set("videoDuration", NullNode.getInstance());
+ }
+
  private static void fetchDeArrowedCf(CompletableFuture<Optional<JsonNode>> future, String videoId, String hash, String[] servers) {
 
  var completableFuture = RequestUtils.sendGetJson(servers[0] + "/api/branding/" + URLUtils.silentEncode(hash.substring(0, 4)))
@@ -98,6 +107,15 @@ private static void fetchDeArrowedCf(CompletableFuture<Optional<JsonNode>> futur
  }
  }));
 
+ completableFuture = completableFuture.thenApplyAsync(optional -> {
+ if (optional.isEmpty()) {
+ var clone = EMPTY_DEARROWED_INFO.deepCopy();
+ clone.put("randomTime", new Alea(videoId).next());
+ return Optional.of(clone);
+ } else
+ return optional;
+ });
+
 
  completableFuture.whenComplete((optional, throwable) -> {
  if (throwable == null)