chatgui: fix video playback on Windows (metatype registration + swscale YUVJ range)

tools/chatgui/src/videoplayer_engine.cpp

@@ -180,9 +180,22 @@ void Worker::run() {
         frame = av_frame_alloc();
         pkt = av_packet_alloc();
         if (!frame || !pkt) { worker_fail(this, "alloc failed"); cleanup(); return; }
-        sws = sws_getContext(vw, vh, vdec->pix_fmt, vw, vh, AV_PIX_FMT_RGB24,
+        /* YUVJ* (deprecated full-range) → обычный формат + явный range, чтобы
+         * не ловить warning swscaler и не искажать цвета */
+        AVPixelFormat srcFmt = vdec->pix_fmt;
+        int srcRange = 0;
+        switch (srcFmt) {
+            case AV_PIX_FMT_YUVJ420P: srcFmt = AV_PIX_FMT_YUV420P; srcRange = 1; break;
+            case AV_PIX_FMT_YUVJ422P: srcFmt = AV_PIX_FMT_YUV422P; srcRange = 1; break;
+            case AV_PIX_FMT_YUVJ444P: srcFmt = AV_PIX_FMT_YUV444P; srcRange = 1; break;
+            default: break;
+        }
+        sws = sws_getContext(vw, vh, srcFmt, vw, vh, AV_PIX_FMT_RGB24,
                              SWS_BILINEAR, nullptr, nullptr, nullptr);
         if (!sws) { worker_fail(this, "sws init failed"); cleanup(); return; }
+        int *invTbl = nullptr, *tbl = nullptr, sr = 0, dr = 0, br = 0, ct = 0, st = 0;
+        if (sws_getColorspaceDetails(sws, &invTbl, &sr, &tbl, &dr, &br, &ct, &st) >= 0)
+            sws_setColorspaceDetails(sws, invTbl, srcRange, tbl, 1 /* RGB full-range */, br, ct, st);
 
         int gen = epoch->loadRelaxed();
         auto emitFrame = [&](AVFrame* fr) {
@@ -248,7 +261,7 @@ void Worker::run() {
 
 VideoPlayerEngine::VideoPlayerEngine(QObject* parent) : QObject(parent) {
     qRegisterMetaType<QImage>("QImage");
-    qRegisterMetaType<std::shared_ptr<std::vector<int16_t>>>("SharedPcmPtr");
+    qRegisterMetaType<std::shared_ptr<std::vector<int16_t>>>();
     m_presentTimer.setInterval(16);
     connect(&m_presentTimer, &QTimer::timeout, this, &VideoPlayerEngine::presentTick);
 }