diff --git a/services/capture/src/capture-manager.js b/services/capture/src/capture-manager.js
index e46627a..ad20cef 100644
--- a/services/capture/src/capture-manager.js
+++ b/services/capture/src/capture-manager.js
@@ -360,12 +360,8 @@ const CONTAINER_EXT = {
 // keeps a short GOP. Muxed to a raw `mpeg2video` elementary stream (no
 // container) so raw2bmx ingests it via --mpeg2lg_*.
 const GROWING_VIDEO_ELEMENTARY_ARGS = [
-  '-c:v', 'h264_nvenc', '-profile:v', 'high',
-  '-preset', 'p1', '-tune', 'll',
-  '-rc', 'constqp', '-qp', '21',
-  '-pix_fmt', 'yuv422p',
-  '-g', '1',
-  '-aud', '1', // Access Unit Delimiters required for raw2bmx --avc_high wrapper
+  '-c:v', 'mpeg2video', '-pix_fmt', 'yuv422p',
+  '-dc', '10', '-g', '15', '-bf', '2',
 ];
 const GROWING_DEFAULT_BITRATE = '25M';
 const GROWING_EXT = 'mxf';
@@ -416,11 +412,14 @@ function deriveGrowingRaster(resolution, framerate, scanHint = null) {
   if (height == null) height = 1080; // default raster
 
   // ffmpeg rate + raw2bmx rate strings for the common broadcast rates.
+  // CRITICAL: XDCAM HD422 (MPEG-2 422 Long GOP) at 1080 lines does NOT support
+  // 1080p59.94 — raw2bmx rejects MPEG-2 422 @ 60000/1001 outright. A 1080p59.94
+  // SDI feed is therefore wrapped as 1080i59.94 (= 30000/1001 frame rate), which
+  // is exactly what every previously-working growing file on the share used and
+  // what Premiere's edit-while-ingest path reads. So 59.94 maps to 30000/1001.
   function rates(fps) {
     if (fps == null) return { ff: '30000/1001', raw: '30000/1001' }; // 1080i59.94 default
-    if (Math.abs(fps - 59.94) < 0.2)
-      return { ff: '60000/1001', raw: '60000/1001' };
-    if (Math.abs(fps - 29.97) < 0.05)
+    if (Math.abs(fps - 59.94) < 0.2 || Math.abs(fps - 29.97) < 0.05)
       return { ff: '30000/1001', raw: '30000/1001' };
     if (Math.abs(fps - 60) < 0.05) return { ff: '60',    raw: '60' };
     if (Math.abs(fps - 50) < 0.05) return { ff: '25',    raw: '25' };   // 1080i50 → 25 fps frames
@@ -430,17 +429,18 @@ function deriveGrowingRaster(resolution, framerate, scanHint = null) {
     return { ff: String(fps), raw: String(fps) };
   }
 
-  // Default scan: 1080 → interlaced (broadcast SDI default), 720/below → p.
-  // scanHint ('p'/'i') overrides this default so progressive Deltacast captures
-  // are wrapped as progressive MXFs.
-  if (scan == null) scan = scanHint || ((height >= 1080) ? 'i' : 'p');
+  // Scan for the MPEG-2 422 essence. raw2bmx CANNOT wrap MPEG-2 422 as 1080p at
+  // 59.94, so a 1080-line raster is always wrapped as INTERLACED (1080i59.94),
+  // regardless of the progressive scanHint. 720 and below stay progressive.
+  if (height >= 1080) scan = 'i';
+  else if (scan == null) scan = scanHint || 'p';
   const r = rates(fpsNum);
 
   let rawFlag;
   if (height >= 1080) {
-    rawFlag = '--avci100_1080p';
+    rawFlag = '--mpeg2lg_422p_hl_1080i';
   } else if (height >= 720) {
-    rawFlag = '--avci100_720p';
+    rawFlag = '--mpeg2lg_422p_hl_720p';
     if (fpsNum == null) { r.ff = '60000/1001'; r.raw = '60000/1001'; }
   } else {
     rawFlag = '--mpeg2lg_422p_ml_576i';
@@ -863,7 +863,7 @@ class CaptureManager {
       ...GROWING_VIDEO_ELEMENTARY_ARGS,
       '-b:v', vb, '-minrate', vb, '-maxrate', vb, '-bufsize', vb,
       '-r', ffRate,
-      '-f', 'h264', '@VF@',
+      '-f', 'mpeg2video', '@VF@',
       // (b) PCM s16le audio → "$AF"
       '-map', audioMap,
       '-c:a', 'pcm_s16le', '-ar', '48000', '-ac', String(ach),
@@ -912,7 +912,7 @@ class CaptureManager {
     // fields with the live frame count every 3s (Premiere reads the header
     // Duration on each refresh; without the patch it sees duration=N/A).
 const bmx = [
-  'raw2bmx', '-t', 'op1a', '-o', '"$OUT"', '-f', frameRate,
+  'raw2bmx', '-t', 'rdd9', '-o', '"$OUT"', '-f', frameRate,
   '--part', String(GROWING_PART_INTERVAL_FRAMES),
   '--index-follows',
   rawFlag, '"$VF"',