zhifu gao
2024-04-17 824377d2aae11dc9ebbde871e3b23a0e0cadc7af
funasr/datasets/audio_datasets/espnet_samplers.py
@@ -57,10 +57,11 @@
        self.drop_last = drop_last
        self.total_size = len(self.dataset)
        # self.num_samples = int(math.ceil(self.total_size / self.num_replicas))
        self.num_samples = int(math.ceil(self.total_size / self.num_replicas))
        self.epoch = 0
        self.sort_size = sort_size * num_replicas
        self.max_token_length = kwargs.get("max_token_length", 2048)
        self.min_token_length = kwargs.get("min_token_length", 0)
        self.length_scale_source = kwargs.get("length_scale_source", 1.0)
@@ -71,10 +72,10 @@
            g = torch.Generator()
            g.manual_seed(self.epoch)
            random.seed(self.epoch)
            indices = torch.randperm(self.total_size, generator=g).tolist()
            indices = torch.randperm(len(self.dataset), generator=g).tolist()
        else:
            indices = list(range(self.total_size))
            indices = list(range(len(self.dataset)))
        # Sort indices by sample length
        sorted_indices = sorted(indices, key=lambda idx: self.dataset.get_source_len(idx))
        
@@ -85,7 +86,7 @@
        
        for idx in sorted_indices:
            original_sample_length = self.dataset.get_source_len(idx)
            if original_sample_length > self.max_token_length:  # Skip samples that exceed the max length
            if original_sample_length < self.min_token_length or original_sample_length > self.max_token_length:  # Skip samples that exceed the max length
                continue
            # Set sample_length based on the batch type
            sample_length = 1 if self.batch_type == "example" else original_sample_length