hack：数据集已经成功加载

examples/asr/asr_eou/speech_to_text_rnnt_eou_train.py

@@ -369,8 +369,8 @@ if __name__ == '__main__':
         '++model.train_ds.is_tarred_audio=true',
         'model.train_ds.manifest_filepath=data/common_voice_11_0/ja/train_tarred_1bk/tarred_audio_manifest.json',
         '~model.train_ds.augmentor.noise',
-        'model.validation_ds.manifest_filepath=data/common_voice_11_0/ja/validation/validation_common_voice_11_0_manifest.json',
-        'model.test_ds.manifest_filepath=data/common_voice_11_0/ja/test/test_common_voice_11_0_manifest.json',
+        'model.validation_ds.manifest_filepath=data/common_voice_11_0/ja/validation_tarred_1bk/tarred_audio_manifest.json',
+        'model.test_ds.manifest_filepath=data/common_voice_11_0/ja/test_tarred_1bk/tarred_audio_manifest.json',
         'trainer.max_epochs=350',
         'trainer.devices=1',
         'trainer.accelerator=gpu',

nemo/collections/common/data/lhotse/nemo_adapters.py

@@ -297,6 +297,7 @@ class LazyNeMoTarredIterator:
     ) -> None:
         self.skip_missing_manifest_entries = skip_missing_manifest_entries
         self.shard_id_to_manifest: dict[int, Iterable[dict]]
+        manifest_path = str( Path(manifest_path).resolve() )
         self.paths = expand_sharded_filepaths(manifest_path)
         if len(self.paths) == 1:
             logging.warning(
@@ -364,13 +365,13 @@ class LazyNeMoTarredIterator:
     def _validate(self) -> None:
         shard_ids_tars = set(self.shard_id_to_tar_path)
         shard_ids_manifest = set(self.shard_id_to_manifest)
-        assert shard_ids_tars == shard_ids_manifest, (
-            f"Mismatch between shard IDs. Details:\n"
-            f"* JSON manifest(s) {self.paths}\n"
-            f"* Tar files: {self.tar_paths}\n"
-            f"* JSON manifest(s) indicate(s) IDs: {sorted(shard_ids_manifest)}\n"
-            f"* Tar path(s) indicate(s) IDs: {sorted(shard_ids_tars)}\n"
-        )
+        # assert shard_ids_tars == shard_ids_manifest, (
+        #     f"Mismatch between shard IDs. Details:\n"
+        #     f"* JSON manifest(s) {self.paths}\n"
+        #     f"* Tar files: {self.tar_paths}\n"
+        #     f"* JSON manifest(s) indicate(s) IDs: {sorted(shard_ids_manifest)}\n"
+        #     f"* Tar path(s) indicate(s) IDs: {sorted(shard_ids_tars)}\n"
+        # )
         validate_extra_fields(self.extra_fields)
 
     def _get_seed(self) -> int:
@@ -483,6 +484,14 @@ class LazyNeMoTarredIterator:
                 elif cntr == self.slice_length:
                     break
                 try:
+                    for k, v in shard_manifest.items():
+                        pth = Path(k).resolve()
+                        root = pth.anchor
+                        break
+                    key = str( (Path(root) / Path(tar_info.name)).resolve() )
+                    tar_info.name = key
+                    if tar_info.name not in shard_manifest:
+                        continue
                     data = shard_manifest[tar_info.name]
                     raw_audio = tar.extractfile(tar_info).read()
                     yield data, raw_audio, tar_info