游雁
2023-02-14 1d4ab65c8bfebaecbcb0eec0064bae9a321cad75
funasr/datasets/preprocessor.py
@@ -1,3 +1,4 @@
import re
from abc import ABC
from abc import abstractmethod
from pathlib import Path
@@ -24,17 +25,55 @@
    @abstractmethod
    def __call__(
        self, uid: str, data: Dict[str, Union[str, np.ndarray]]
            self, uid: str, data: Dict[str, Union[str, np.ndarray]]
    ) -> Dict[str, np.ndarray]:
        raise NotImplementedError
def forward_segment(text, dic):
    word_list = []
    i = 0
    while i < len(text):
        longest_word = text[i]
        for j in range(i + 1, len(text) + 1):
            word = text[i:j]
            if word in dic:
                if len(word) > len(longest_word):
                    longest_word = word
        word_list.append(longest_word)
        i += len(longest_word)
    return word_list
def seg_tokenize(txt, seg_dict):
    out_txt = ""
    pattern = re.compile(r"([\u4E00-\u9FA5A-Za-z0-9])")
    for word in txt:
        if pattern.match(word):
            if word in seg_dict:
                out_txt += seg_dict[word] + " "
            else:
                out_txt += "<unk>" + " "
        else:
            continue
    return out_txt.strip().split()
def seg_tokenize_wo_pattern(txt, seg_dict):
    out_txt = ""
    for word in txt:
        if word in seg_dict:
            out_txt += seg_dict[word] + " "
        else:
            out_txt += "<unk>" + " "
    return out_txt.strip().split()
def framing(
    x,
    frame_length: int = 512,
    frame_shift: int = 256,
    centered: bool = True,
    padded: bool = True,
        x,
        frame_length: int = 512,
        frame_shift: int = 256,
        centered: bool = True,
        padded: bool = True,
):
    if x.size == 0:
        raise ValueError("Input array size is zero")
@@ -73,11 +112,11 @@
def detect_non_silence(
    x: np.ndarray,
    threshold: float = 0.01,
    frame_length: int = 1024,
    frame_shift: int = 512,
    window: str = "boxcar",
        x: np.ndarray,
        threshold: float = 0.01,
        frame_length: int = 1024,
        frame_shift: int = 512,
        window: str = "boxcar",
) -> np.ndarray:
    """Power based voice activity detection.
@@ -103,7 +142,7 @@
    )
    framed_w *= scipy.signal.get_window(window, frame_length).astype(framed_w.dtype)
    # power: (C, T)
    power = (framed_w**2).mean(axis=-1)
    power = (framed_w ** 2).mean(axis=-1)
    # mean_power: (C, 1)
    mean_power = np.mean(power, axis=-1, keepdims=True)
    if np.all(mean_power == 0):
@@ -126,26 +165,27 @@
class CommonPreprocessor(AbsPreprocessor):
    def __init__(
        self,
        train: bool,
        token_type: str = None,
        token_list: Union[Path, str, Iterable[str]] = None,
        bpemodel: Union[Path, str, Iterable[str]] = None,
        text_cleaner: Collection[str] = None,
        g2p_type: str = None,
        unk_symbol: str = "<unk>",
        space_symbol: str = "<space>",
        non_linguistic_symbols: Union[Path, str, Iterable[str]] = None,
        delimiter: str = None,
        rir_scp: str = None,
        rir_apply_prob: float = 1.0,
        noise_scp: str = None,
        noise_apply_prob: float = 1.0,
        noise_db_range: str = "3_10",
        speech_volume_normalize: float = None,
        speech_name: str = "speech",
        text_name: str = "text",
        split_with_space: bool = False,
            self,
            train: bool,
            token_type: str = None,
            token_list: Union[Path, str, Iterable[str]] = None,
            bpemodel: Union[Path, str, Iterable[str]] = None,
            text_cleaner: Collection[str] = None,
            g2p_type: str = None,
            unk_symbol: str = "<unk>",
            space_symbol: str = "<space>",
            non_linguistic_symbols: Union[Path, str, Iterable[str]] = None,
            delimiter: str = None,
            rir_scp: str = None,
            rir_apply_prob: float = 1.0,
            noise_scp: str = None,
            noise_apply_prob: float = 1.0,
            noise_db_range: str = "3_10",
            speech_volume_normalize: float = None,
            speech_name: str = "speech",
            text_name: str = "text",
            split_with_space: bool = False,
            seg_dict_file: str = None,
    ):
        super().__init__(train)
        self.train = train
@@ -155,6 +195,16 @@
        self.rir_apply_prob = rir_apply_prob
        self.noise_apply_prob = noise_apply_prob
        self.split_with_space = split_with_space
        self.seg_dict = None
        if seg_dict_file is not None:
            self.seg_dict = {}
            with open(seg_dict_file) as f:
                lines = f.readlines()
            for line in lines:
                s = line.strip().split()
                key = s[0]
                value = s[1:]
                self.seg_dict[key] = " ".join(value)
        if token_type is not None:
            if token_list is None:
@@ -212,7 +262,7 @@
            self.noises = None
    def _speech_process(
        self, data: Dict[str, Union[str, np.ndarray]]
            self, data: Dict[str, Union[str, np.ndarray]]
    ) -> Dict[str, Union[str, np.ndarray]]:
        assert check_argument_types()
        if self.speech_name in data:
@@ -242,16 +292,16 @@
                        # speech: (Nmic, Time)
                        # Note that this operation doesn't change the signal length
                        speech = scipy.signal.convolve(speech, rir, mode="full")[
                            :, : speech.shape[1]
                        ]
                                 :, : speech.shape[1]
                                 ]
                        # Reverse mean power to the original power
                        power2 = (speech[detect_non_silence(speech)] ** 2).mean()
                        speech = np.sqrt(power / max(power2, 1e-10)) * speech
                # 2. Add Noise
                if (
                    self.noises is not None
                    and self.noise_apply_prob >= np.random.random()
                        self.noises is not None
                        and self.noise_apply_prob >= np.random.random()
                ):
                    noise_path = np.random.choice(self.noises)
                    if noise_path is not None:
@@ -283,11 +333,11 @@
                        # noise: (Nmic, Time)
                        noise = noise.T
                        noise_power = (noise**2).mean()
                        noise_power = (noise ** 2).mean()
                        scale = (
                            10 ** (-noise_db / 20)
                            * np.sqrt(power)
                            / np.sqrt(max(noise_power, 1e-10))
                                10 ** (-noise_db / 20)
                                * np.sqrt(power)
                                / np.sqrt(max(noise_power, 1e-10))
                        )
                        speech = speech + scale * noise
@@ -305,13 +355,16 @@
        return data
    def _text_process(
        self, data: Dict[str, Union[str, np.ndarray]]
            self, data: Dict[str, Union[str, np.ndarray]]
    ) -> Dict[str, np.ndarray]:
        if self.text_name in data and self.tokenizer is not None:
            text = data[self.text_name]
            text = self.text_cleaner(text)
            if self.split_with_space:
                tokens = text.strip().split(" ")
                if self.seg_dict is not None:
                    tokens = forward_segment("".join(tokens), self.seg_dict)
                    tokens = seg_tokenize(tokens, self.seg_dict)
            else:
                tokens = self.tokenizer.text2tokens(text)
            text_ints = self.token_id_converter.tokens2ids(tokens)
@@ -320,7 +373,7 @@
        return data
    def __call__(
        self, uid: str, data: Dict[str, Union[str, np.ndarray]]
            self, uid: str, data: Dict[str, Union[str, np.ndarray]]
    ) -> Dict[str, np.ndarray]:
        assert check_argument_types()
@@ -328,22 +381,86 @@
        data = self._text_process(data)
        return data
## FIXME
class LMPreprocessor(CommonPreprocessor):
    def __init__(
            self,
            train: bool,
            token_type: str = None,
            token_list: Union[Path, str, Iterable[str]] = None,
            bpemodel: Union[Path, str, Iterable[str]] = None,
            text_cleaner: Collection[str] = None,
            g2p_type: str = None,
            unk_symbol: str = "<unk>",
            space_symbol: str = "<space>",
            non_linguistic_symbols: Union[Path, str, Iterable[str]] = None,
            delimiter: str = None,
            rir_scp: str = None,
            rir_apply_prob: float = 1.0,
            noise_scp: str = None,
            noise_apply_prob: float = 1.0,
            noise_db_range: str = "3_10",
            speech_volume_normalize: float = None,
            speech_name: str = "speech",
            text_name: str = "text",
            split_with_space: bool = False,
            seg_dict_file: str = None,
    ):
        super().__init__(train,
                         token_type,
                         token_list,
                         bpemodel,
                         text_cleaner,
                         g2p_type,
                         unk_symbol,
                         space_symbol,
                         non_linguistic_symbols,
                         delimiter,
                         rir_scp,
                         rir_apply_prob,
                         noise_scp,
                         noise_apply_prob,
                         noise_db_range,
                         speech_volume_normalize,
                         speech_name,
                         text_name,
                         split_with_space,
                         seg_dict_file,
                         )
    def _text_process(
            self, data: Dict[str, Union[str, np.ndarray]]
    ) -> Dict[str, np.ndarray]:
        if self.text_name in data and self.tokenizer is not None:
            text = data[self.text_name]
            text = self.text_cleaner(text)
            if self.split_with_space:
                tokens = text.strip().split(" ")
                if self.seg_dict is not None:
                    tokens = seg_tokenize_wo_pattern(tokens, self.seg_dict)
            else:
                tokens = self.tokenizer.text2tokens(text)
            text_ints = self.token_id_converter.tokens2ids(tokens)
            data[self.text_name] = np.array(text_ints, dtype=np.int64)
        assert check_return_type(data)
        return data
class CommonPreprocessor_multi(AbsPreprocessor):
    def __init__(
        self,
        train: bool,
        token_type: str = None,
        token_list: Union[Path, str, Iterable[str]] = None,
        bpemodel: Union[Path, str, Iterable[str]] = None,
        text_cleaner: Collection[str] = None,
        g2p_type: str = None,
        unk_symbol: str = "<unk>",
        space_symbol: str = "<space>",
        non_linguistic_symbols: Union[Path, str, Iterable[str]] = None,
        delimiter: str = None,
        speech_name: str = "speech",
        text_name: List[str] = ["text"],
            self,
            train: bool,
            token_type: str = None,
            token_list: Union[Path, str, Iterable[str]] = None,
            bpemodel: Union[Path, str, Iterable[str]] = None,
            text_cleaner: Collection[str] = None,
            g2p_type: str = None,
            unk_symbol: str = "<unk>",
            space_symbol: str = "<space>",
            non_linguistic_symbols: Union[Path, str, Iterable[str]] = None,
            delimiter: str = None,
            speech_name: str = "speech",
            text_name: List[str] = ["text"],
    ):
        super().__init__(train)
        self.train = train
@@ -373,7 +490,7 @@
            self.token_id_converter = None
    def _text_process(
        self, data: Dict[str, Union[str, np.ndarray]]
            self, data: Dict[str, Union[str, np.ndarray]]
    ) -> Dict[str, np.ndarray]:
        for text_n in self.text_name:
            if text_n in data and self.tokenizer is not None:
@@ -386,7 +503,7 @@
        return data
    def __call__(
        self, uid: str, data: Dict[str, Union[str, np.ndarray]]
            self, uid: str, data: Dict[str, Union[str, np.ndarray]]
    ) -> Dict[str, np.ndarray]:
        assert check_argument_types()
@@ -404,25 +521,25 @@
class MutliTokenizerCommonPreprocessor(CommonPreprocessor):
    def __init__(
        self,
        train: bool,
        token_type: List[str] = [None],
        token_list: List[Union[Path, str, Iterable[str]]] = [None],
        bpemodel: List[Union[Path, str, Iterable[str]]] = [None],
        text_cleaner: Collection[str] = None,
        g2p_type: str = None,
        unk_symbol: str = "<unk>",
        space_symbol: str = "<space>",
        non_linguistic_symbols: Union[Path, str, Iterable[str]] = None,
        delimiter: str = None,
        rir_scp: str = None,
        rir_apply_prob: float = 1.0,
        noise_scp: str = None,
        noise_apply_prob: float = 1.0,
        noise_db_range: str = "3_10",
        speech_volume_normalize: float = None,
        speech_name: str = "speech",
        text_name: List[str] = ["text"],
            self,
            train: bool,
            token_type: List[str] = [None],
            token_list: List[Union[Path, str, Iterable[str]]] = [None],
            bpemodel: List[Union[Path, str, Iterable[str]]] = [None],
            text_cleaner: Collection[str] = None,
            g2p_type: str = None,
            unk_symbol: str = "<unk>",
            space_symbol: str = "<space>",
            non_linguistic_symbols: Union[Path, str, Iterable[str]] = None,
            delimiter: str = None,
            rir_scp: str = None,
            rir_apply_prob: float = 1.0,
            noise_scp: str = None,
            noise_apply_prob: float = 1.0,
            noise_db_range: str = "3_10",
            speech_volume_normalize: float = None,
            speech_name: str = "speech",
            text_name: List[str] = ["text"],
    ):
        # TODO(jiatong): sync with Kamo and Jing on interface for preprocessor
        super().__init__(
@@ -447,7 +564,7 @@
        )
        assert (
            len(token_type) == len(token_list) == len(bpemodel) == len(text_name)
                len(token_type) == len(token_list) == len(bpemodel) == len(text_name)
        ), "token_type, token_list, bpemodel, or processing text_name mismatched"
        self.num_tokenizer = len(token_type)
        self.tokenizer = []
@@ -482,7 +599,7 @@
        self.text_name = text_name  # override the text_name from CommonPreprocessor
    def _text_process(
        self, data: Dict[str, Union[str, np.ndarray]]
            self, data: Dict[str, Union[str, np.ndarray]]
    ) -> Dict[str, np.ndarray]:
        for i in range(self.num_tokenizer):
            text_name = self.text_name[i]
@@ -494,3 +611,96 @@
                data[text_name] = np.array(text_ints, dtype=np.int64)
        assert check_return_type(data)
        return data
class CodeMixTokenizerCommonPreprocessor(CommonPreprocessor):
    def __init__(
            self,
            train: bool,
            token_type: str = None,
            token_list: Union[Path, str, Iterable[str]] = None,
            bpemodel: Union[Path, str, Iterable[str]] = None,
            text_cleaner: Collection[str] = None,
            g2p_type: str = None,
            unk_symbol: str = "<unk>",
            space_symbol: str = "<space>",
            non_linguistic_symbols: Union[Path, str, Iterable[str]] = None,
            delimiter: str = None,
            rir_scp: str = None,
            rir_apply_prob: float = 1.0,
            noise_scp: str = None,
            noise_apply_prob: float = 1.0,
            noise_db_range: str = "3_10",
            speech_volume_normalize: float = None,
            speech_name: str = "speech",
            text_name: str = "text",
            split_text_name: str = "split_text",
            split_with_space: bool = False,
            seg_dict_file: str = None,
    ):
        super().__init__(
            train=train,
            # Force to use word.
            token_type="word",
            token_list=token_list,
            bpemodel=bpemodel,
            text_cleaner=text_cleaner,
            g2p_type=g2p_type,
            unk_symbol=unk_symbol,
            space_symbol=space_symbol,
            non_linguistic_symbols=non_linguistic_symbols,
            delimiter=delimiter,
            speech_name=speech_name,
            text_name=text_name,
            rir_scp=rir_scp,
            rir_apply_prob=rir_apply_prob,
            noise_scp=noise_scp,
            noise_apply_prob=noise_apply_prob,
            noise_db_range=noise_db_range,
            speech_volume_normalize=speech_volume_normalize,
            split_with_space=split_with_space,
            seg_dict_file=seg_dict_file,
        )
        # The data field name for split text.
        self.split_text_name = split_text_name
    @classmethod
    def split_words(cls, text: str):
        words = []
        segs = text.split()
        for seg in segs:
            # There is no space in seg.
            current_word = ""
            for c in seg:
                if len(c.encode()) == 1:
                    # This is an ASCII char.
                    current_word += c
                else:
                    # This is a Chinese char.
                    if len(current_word) > 0:
                        words.append(current_word)
                        current_word = ""
                    words.append(c)
            if len(current_word) > 0:
                words.append(current_word)
        return words
    def __call__(
            self, uid: str, data: Dict[str, Union[list, str, np.ndarray]]
    ) -> Dict[str, Union[list, np.ndarray]]:
        assert check_argument_types()
        # Split words.
        if isinstance(data[self.text_name], str):
            split_text = self.split_words(data[self.text_name])
        else:
            split_text = data[self.text_name]
        data[self.text_name] = " ".join(split_text)
        data = self._speech_process(data)
        data = self._text_process(data)
        data[self.split_text_name] = split_text
        return data
    def pop_split_text_data(self, data: Dict[str, Union[str, np.ndarray]]):
        result = data[self.split_text_name]
        del data[self.split_text_name]
        return result