Preserve channel resolution through continuity slates up to UHD

experiments/run-continuity-e2e.py

@@ -17,13 +17,14 @@ def main():
     parser.add_argument('--ffmpeg', default='/usr/lib/jellyfin-ffmpeg/ffmpeg')
     parser.add_argument('--output', required=True)
     parser.add_argument('--long', action='store_true')
+    parser.add_argument('--native', action='store_true')
     args = parser.parse_args()
     root = Path(args.output).resolve()
     if root.exists():
         raise ValueError('Choose a new output directory')
     samples, previous = [], {}
     with Path(str(root) + '.log').open('x') as log:
-        process = subprocess.Popen([args.harness, '--long-continuity-e2e' if args.long else '--continuity-e2e', args.ffmpeg, str(root)], stdout=log,
+        process = subprocess.Popen([args.harness, '--native-continuity-e2e' if args.native else '--long-continuity-e2e' if args.long else '--continuity-e2e', args.ffmpeg, str(root)], stdout=log,
                                    stderr=subprocess.STDOUT, start_new_session=True)
         deadline = time.monotonic() + 240
         try:
@@ -58,7 +59,7 @@ def main():
     report = {'harness_exit_code': process.returncode, 'samples': samples,
               'scope': 'Only synthetic plugin source encoding; excludes fixture and player decoders'}
     (root / 'cpu-sample.json').write_text(json.dumps(report, indent=2))
-    if process.returncode == 0 and args.long:
+    if process.returncode == 0 and (args.long or args.native):
         subprocess.run(['python3', str(Path(__file__).with_name('verify-continuity-recording.py')), '--output', str(root), '--ffmpeg', args.ffmpeg], check=True)
     print(Path(str(root) + '.log').read_text()[-3500:])
     print(json.dumps({'exit_code': process.returncode, 'cpu_samples': len(samples),