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Minamp 1.2

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- Transcoding: send client identities Plex has a profile for (unknown ones get
  400 "unable to find a matching profile"), with a fresh session id per variant
- Stream proxy: fetch transcodes once into a temp file and serve every player
  request from it, so reconnects no longer restart the transcode (503s, tracks
  cut short); original files still pass Range requests through
- Sign-in: remember the pending link code so it survives Minamp being closed
  while the code is entered elsewhere; add "I've entered it - check now"
- Diagnostics: in-app connection log (DiagLog) with a streaming test and save
  to SD card; tokens are never logged

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
xockoandClaude Opus 5.5 committed 2026-10-14 20:38:17 +02:00
1 parent 0a2ac901bd
commit a4b875ef34
12 files changed
+701 -196
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test/PlexTest.java
+34 -11
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@@ -130,25 +130,48 @@ public class PlexTest {
public void onError(String id, int code, String m) { refused[0] = code + " " + m; }
public void onAccepted(String id, int index) { accepted[0] = index; }
};
java.io.File cache = new java.io.File(System.getProperty("java.io.tmpdir"), "minamp-test-cache");
cache.mkdirs();
proxy.cacheDir = cache;
Library.preferredVariant = 0;
String id2 = proxy.newId();
String local2 = proxy.register(id2, lib.transcodeUrls(tracks.get(1), 192, 30500, "sess1"), "mp3");
String local2 = proxy.register(id2, lib.transcodeUrls(tracks.get(1), 192, 30500, "sess1"), "mp3", true);
hc = (HttpURLConnection) new URL(local2).openConnection(Proxy.NO_PROXY);
byte[] tbody = read(hc.getInputStream());
String ts = new String(tbody, "ISO-8859-1");
check(hc.getResponseCode() == 200 && ts.startsWith("TRANSCODE offset=30 bitrate=192|") && hc.getHeaderField("Content-Length") == null,
"proxy de-chunks transcode stream (" + tbody.length + "B)");
check(accepted[0] == 1 && refused[0] == null, "refused transcode variant skipped, second accepted (index " + accepted[0] + ")");
Library.preferredVariant = Library.variantOrder()[accepted[0]];
check(Library.variantOrder()[0] == 1, "accepted variant is tried first next time");
// every variant refused -> error carries the server's words
Library.preferredVariant = 0;
check(hc.getResponseCode() == 200 && ts.startsWith("TRANSCODE offset=30 bitrate=192|"),
"buffered transcode stream served (" + tbody.length + "B)");
check(accepted[0] == 0 && refused[0] == null, "web-player identity accepted first time (variant " + accepted[0] + ")");
// the media player reconnecting must not start the transcode again (that's the 503)
hc = (HttpURLConnection) new URL(local2).openConnection(Proxy.NO_PROXY);
byte[] again = read(hc.getInputStream());
check(hc.getResponseCode() == 200 && again.length == tbody.length && refused[0] == null,
"reconnect served from the buffer, no second transcode (" + again.length + "B)");
hc = (HttpURLConnection) new URL(local2).openConnection(Proxy.NO_PROXY);
hc.setRequestProperty("Range", "bytes=100-");
byte[] part = read(hc.getInputStream());
check(hc.getResponseCode() == 206 && part.length == tbody.length - 100 && proxy.isComplete(id2),
"seek within a finished transcode via Range (" + part.length + "B)");
check(!lib.transcodeUrls(tracks.get(1), 192, 0, "x").get(0).contains("X-Plex-Device=")
&& lib.transcodeUrls(tracks.get(1), 192, 0, "x").get(0).contains("session=x-v0"),
"no phone model in transcode identity; per-variant session ids");
String dec = lib.decision(tracks.get(1), 192, 0);
check(dec.indexOf("Conversion OK") >= 0, "decision check reads the server's verdict: " + dec);
check(lib.decision(tracks.get(1), 192, 2).indexOf("Conversion OK") >= 0, "speaker-profile variant also accepted by profile matching");
// a server that refuses everything: error carries the server's own words
String id4 = proxy.newId();
java.util.List<String> bad = new java.util.ArrayList<String>();
bad.add(lib.transcodeUrls(tracks.get(1), 192, 0, "s4").get(0));
String local4 = proxy.register(id4, bad, "mp3");
bad.add(lib.transcodeUrls(tracks.get(1), 192, 0, "s4").get(0).replace("X-Plex-Platform=Chrome", "X-Plex-Platform=Android"));
String local4 = proxy.register(id4, bad, "mp3", true);
hc = (HttpURLConnection) new URL(local4).openConnection(Proxy.NO_PROXY);
int c4 = hc.getResponseCode();
check(c4 == 400 && refused[0] != null && refused[0].indexOf("400 Bad Request") >= 0, "refusal reported with server text: " + refused[0]);
check(c4 == 400 && refused[0] != null && refused[0].indexOf("400 Bad Request") >= 0, "unrecognised identity -> refusal with server text: " + refused[0]);
// the pre-fix request shape (phone model as device) is exactly what a real server refuses
String old = lib.transcodeUrls(tracks.get(1), 192, 0, "s5").get(0).replace("X-Plex-Platform=Chrome", "X-Plex-Platform=Chrome&X-Plex-Device=GT-S5570");
Http.Response or = Http.get(old, null, 10000);
or.readAll();
check(or.code == 400, "mock reproduces the 400 for the old phone-model identity");
Library.preferredVariant = 0;
// abort mid-stream
String id3 = proxy.newId();