o
    iQ                   	   @   s   d dl Z d dlZd dlZd dlZd dlZd dlZd dlmZ 			ddedede	defd	d
Z
G dd dZG dd dZG dd dZG dd dZdS )    N)SoundHDF5FilematF
rspecifierfiletypereturn_shapesegmentsc                 C   s`   |dkrt | ||dS |dkrt| |dS |dkrt| |dS |dkr)t| |dS td| )a  Read uttid and array in kaldi style

    This function might be a bit confusing as "ark" is used
    for HDF5 to imitate "kaldi-rspecifier".

    Args:
        rspecifier: Give as "ark:feats.ark" or "scp:feats.scp"
        filetype: "mat" is kaldi-martix, "hdf5": HDF5
        return_shape: Return the shape of the matrix,
            instead of the matrix. This can reduce IO cost for HDF5.
    Returns:
        Generator[Tuple[str, np.ndarray], None, None]:

    Examples:
        Read from kaldi-matrix ark file:

        >>> for u, array in file_reader_helper('ark:feats.ark', 'mat'):
        ...     array

        Read from HDF5 file:

        >>> for u, array in file_reader_helper('ark:feats.h5', 'hdf5'):
        ...     array

    r   )r   r   hdf5)r   z
sound.hdf5soundz	filetype=)KaldiReader
HDF5ReaderSoundHDF5ReaderSoundReaderNotImplementedError)r   r   r   r    r   L/home/ubuntu/.local/lib/python3.10/site-packages/espnet/utils/cli_readers.pyfile_reader_helper   s   r   c                   @   s   e Zd ZdddZdd ZdS )r
   FNc                 C   s   || _ || _|| _d S )N)r   r   r   )selfr   r   r   r   r   r   __init__8   s   
zKaldiReader.__init__c                 c   s^    t j| j| jd}|D ]\}}| jr|j}||fV  qW d    d S 1 s(w   Y  d S )N)r   )kaldiio
ReadHelperr   r   r   shape)r   readerkeyarrayr   r   r   __iter__=   s   "zKaldiReader.__iter__)FN__name__
__module____qualname__r   r   r   r   r   r   r
   7   s    
r
   c                   @      e Zd ZdddZdd ZdS )r   Fc                 C   sX   d|vrt d| j|| _| jdd\| _| _| jdvr't d| j || _d S N:z,Give "rspecifier" such as "ark:some.ark: {}"   )arkscpzMust be scp or ark: )
ValueErrorformatr   split
ark_or_scpfilepathr   r   r   r   r   r   r   r   F   s   


zHDF5Reader.__init__c                 c   s   | j dkri }t| jddd{}|D ]p}| d d\}}d|vr,td|| j|dd\}}||}|d u rZzt	|d}W n t
yU   td|  w |||< z|| }	W n t
yq   td	||  w | jr|||	jfV  q||	d
 fV  qW d    n1 sw   Y  |D ]}
z||
   W q t
y   Y qw d S | jdkrttjj }n| j}t	|d#}|D ]}| jr||| jfV  q||| d
 fV  qW d    d S 1 sw   Y  d S )Nr$   rutf-8encodingr"   r!   Ascp file for hdf5 should be like: "uttid filepath.h5:key": {}({})Error when loading {}!Error when loading {} with key={}r   -)r(   openr)   rstripr'   RuntimeErrorr&   geth5pyFile	Exceptionloggingerrorr   r   closeioBytesIOsysstdinbufferread)r   	hdf5_dictfliner   valuepathh5_key	hdf5_filedatakr)   r   r   r   r   R   sj   


$
"zHDF5Reader.__iter__NFr   r   r   r   r   r   E       
r   c                   @   r   )r   Fc                 C   sN   d|vrt d||dd\| _| _| jdvr"t d| j || _d S r    r%   r&   r'   r(   r)   r   r*   r   r   r   r      s   

zSoundHDF5Reader.__init__c                 c   s   | j dkri }t| jdddz}|D ]o}| d d\}}d|vr,td|| j|dd\}}||}|d u rYzt|d}W n t	yT   t
d|  w |||< z|| }	W n t	yp   t
d	||  w |	\}
}| jr{|
j}
|||
ffV  qW d    n1 sw   Y  |D ]}z||   W q t	y   Y qw d S | jd
krttjj }n| j}t|d D ]\}\}}| jr|j}|||ffV  qd S )Nr$   r+   r,   r-   r"   r!   r/   r0   r1   r2   )r(   r3   r)   r4   r'   r5   r&   r6   r   r9   r:   r;   r   r   r<   r=   r>   r?   r@   rA   rB   items)r   rC   rD   rE   r   rF   rG   rH   rI   rJ   r   raterK   r)   ar+   r   r   r   r      sh   


&
zSoundHDF5Reader.__iter__NrL   r   r   r   r   r   r      s    

r   c                   @   r   )r   Fc                 C   sN   d|vrt d||dd\| _| _| jdkr"t d| j|| _d S )Nr!   z,Give "rspecifier" such as "scp:some.scp: {}"r"   r$   z(Only supporting "scp" for sound file: {}rN   r*   r   r   r   r      s   


zSoundReader.__init__c                 c   s    t | jddd.}|D ]"}| d d\}}tj|dd\}}| jr'|j}|||ffV  qW d    d S 1 s:w   Y  d S )Nr+   r,   r-   r"   int16)dtype)r3   r)   r4   r'   	soundfilerB   r   r   )r   rD   rE   r   sound_file_pathr   rP   r   r   r   r      s   "zSoundReader.__iter__NrL   r   r   r   r   r   r      rM   r   )r   FN)r=   r:   r?   r7   r   rT   espnet.utils.io_utilsr   strboolr   r
   r   r   r   r   r   r   r   <module>   s.    
+HF