[Bugfix][MiniCPM-o] Align Daily-Omni offline loading and duplex soft-… (#6095)

Signed-off-by: amy-why-3459 <wuhaiyan17@huawei.com>

vllm_omni/benchmarks/patch/patch.py

@@ -14,6 +14,7 @@ import wave
 from collections.abc import Iterable
 from dataclasses import dataclass, replace
 from datetime import datetime
+from pathlib import Path
 from typing import Any, Literal
 from urllib.parse import parse_qsl, urlencode, urlsplit, urlunsplit
 
@@ -38,7 +39,13 @@ from vllm.logger import init_logger
 from vllm.tokenizers import TokenizerLike
 
 from vllm_omni.benchmarks.audio_continuity import compute_continuity_stats
-from vllm_omni.benchmarks.data_modules.daily_omni_dataset import DailyOmniDataset, DailyOmniSampleRequest
+from vllm_omni.benchmarks.data_modules.daily_omni_dataset import (
+    DailyOmniDataset,
+    DailyOmniSampleRequest,
+    daily_omni_local_qa_json,
+    daily_omni_local_videos_dir,
+    resolve_daily_omni_local_root,
+)
 from vllm_omni.benchmarks.data_modules.random_multi_modal_dataset import OmniRandomMultiModalDataset
 from vllm_omni.benchmarks.data_modules.seed_tts_dataset import (
     SEED_TTS_DEFAULT_OMNI_SYSTEM_PROMPT,
@@ -282,6 +289,26 @@ def get_samples(args, tokenizer):
         if isinstance(qa_json, str):
             qa_json = qa_json.strip() or None
 
+        # A local mirror of the dataset repo (plain directory or HF hub cache dir) is used
+        # directly: no Hub round-trip, so offline / air-gapped runs work without extra flags.
+        local_root: Path | None = None
+        if qa_json is None:
+            local_root = resolve_daily_omni_local_root(getattr(args, "dataset_path", None)) or (
+                resolve_daily_omni_local_root(getattr(args, "hf_name", None))
+            )
+            if local_root is not None:
+                local_qa = daily_omni_local_qa_json(local_root)
+                if local_qa is not None:
+                    qa_json = str(local_qa)
+                    if video_dir is None:
+                        video_dir = daily_omni_local_videos_dir(local_root)
+                    logger.info("Using local Daily-Omni mirror: root=%s", local_root)
+                else:
+                    logger.info(
+                        "Local Daily-Omni path %s has no qa.json; loading it with `datasets` instead",
+                        local_root,
+                    )
+
         if qa_json is not None:
             logger.info(
                 "Loading Daily-Omni dataset: qa_json=%s, video_dir=%s (Hub not used for QA)",
@@ -304,7 +331,8 @@ def get_samples(args, tokenizer):
             repo_id = _daily_omni_repo_from_args(args)
             if args.dataset_name == "daily-omni":
                 if repo_id is None:
-                    repo_id = _DEFAULT_DAILY_OMNI_REPO
+                    # Prefer an on-disk copy over the Hub id so offline runs keep working.
+                    repo_id = str(local_root) if local_root is not None else _DEFAULT_DAILY_OMNI_REPO
             elif repo_id is None:
                 raise ValueError(
                     "Daily-Omni with --dataset-name hf requires "