[Bugfix] treewide: drop references to librosa (#2996)

Signed-off-by: Nick Cao <ncao@redhat.com>

examples/offline_inference/ming_flash_omni/end2end.py

@@ -6,7 +6,6 @@ import os
 import time
 from typing import NamedTuple
 
-import librosa
 import numpy as np
 import vllm
 from PIL import Image
@@ -16,6 +15,7 @@ from vllm.assets.audio import AudioAsset
 from vllm.assets.image import ImageAsset
 from vllm.assets.video import VideoAsset, video_to_ndarrays
 from vllm.multimodal.image import convert_image_mode
+from vllm.multimodal.media.audio import load_audio
 from vllm.utils.argparse_utils import FlexibleArgumentParser
 
 import vllm_omni
@@ -91,7 +91,7 @@ def get_audio_query(
     if audio_path:
         if not os.path.exists(audio_path):
             raise FileNotFoundError(f"Audio file not found: {audio_path}")
-        audio_signal, sr = librosa.load(audio_path, sr=sampling_rate)
+        audio_signal, sr = load_audio(audio_path, sr=sampling_rate)
         audio_data = (audio_signal.astype(np.float32), sr)
     else:
         audio_data = AudioAsset("mary_had_lamb").audio_and_sample_rate
@@ -172,7 +172,7 @@ def get_mixed_modalities_query(
     if audio_path:
         if not os.path.exists(audio_path):
             raise FileNotFoundError(f"Audio file not found: {audio_path}")
-        sig, sr = librosa.load(audio_path, sr=sampling_rate)
+        sig, sr = load_audio(audio_path, sr=sampling_rate)
         audio_data = (sig.astype(np.float32), sr)
     else:
         audio_data = AudioAsset("mary_had_lamb").audio_and_sample_rate