관리-도구
편집 파일: wave.cpython-310.opt-2.pyc
o 6��fTF � @ s� d dl mZ d dlmZ d dlZd dlZd dlZd dlZg d�ZG dd� de �Z dZ dZ ed d �Z G d d � d �ZG d d� d�Zddd�ZdS )� )�Chunk)� namedtupleN)�open�Error� Wave_read� Wave_writec @ s e Zd ZdS )r N)�__name__� __module__� __qualname__� r r �+/opt/alt/python310/lib64/python3.10/wave.pyr T s r � )N�b�hN�i� _wave_paramsz7nchannels sampwidth framerate nframes comptype compnamec @ s� e Zd Z dd� Zdd� Zdd� Zdd� Zd d � Zd d � Zd d� Z dd� Z dd� Z dd� Z dd� Z dd� Zdd� Zdd � Zd d � Zd d � Zd!d"� Zd#d$� Zd%d&� Zd'd(� Zd)d*� Zd+S ),r c C s� d | _ d| _t|dd�| _| j�� dkrtd��| j�d�dkr$td��d| _d | _ d| _ z t| jdd�}W n t y@ Y n0w |�� }|d krR| � |� d| _n|d krk| js]td ��|| _|j | j | _d| _ n|�� q+| jrv| jsztd ��d S ) Nr )Z bigendian� RIFFz file does not start with RIFF id� � WAVEznot a WAVE filer � fmt � datazdata chunk before fmt chunkz#fmt chunk and/or data chunk missing)�_convert� _soundposr �_fileZgetnamer �readZ_fmt_chunk_read� _data_chunk�_data_seek_needed�EOFError�_read_fmt_chunkZ chunksize� _framesize�_nframes�skip)�self�file�chunkZ chunknamer r r �initfp} s@ � � �zWave_read.initfpc C �J d | _ t|t�rt�|d�}|| _ z| �|� W d S | j r$|�� � )N�rb��_i_opened_the_file� isinstance�str�builtinsr r% �close�r" �fr r r �__init__� s zWave_read.__init__c C � | � � d S �N�r- �r" r r r �__del__� � zWave_read.__del__c C � | S r2 r r4 r r r � __enter__� � zWave_read.__enter__c G r1 r2 r3 �r" �argsr r r �__exit__� r6 zWave_read.__exit__c C � | j S r2 )r r4 r r r �getfp� � zWave_read.getfpc C s d| _ d| _d S )Nr r )r r r4 r r r �rewind� s zWave_read.rewindc C s& d | _ | j}|rd | _|�� d S d S r2 )r r) r- �r" r# r r r r- � s �zWave_read.closec C r= r2 )r r4 r r r �tell� r? zWave_read.tellc C r= r2 )� _nchannelsr4 r r r � getnchannels� r? zWave_read.getnchannelsc C r= r2 )r r4 r r r � getnframes� r? zWave_read.getnframesc C r= r2 )� _sampwidthr4 r r r � getsampwidth� r? zWave_read.getsampwidthc C r= r2 )� _framerater4 r r r � getframerate� r? zWave_read.getframeratec C r= r2 �� _comptyper4 r r r � getcomptype� r? zWave_read.getcomptypec C r= r2 �� _compnamer4 r r r � getcompname� r? zWave_read.getcompnamec C s* t | �� | �� | �� | �� | �� | �� �S r2 )r rD rG rI rE rL rO r4 r r r � getparams� s �zWave_read.getparamsc C � d S r2 r r4 r r r � getmarkers� r9 zWave_read.getmarkersc C � t d���Nzno marks�r �r" �idr r r �getmark� � zWave_read.getmarkc C s* |dk s || j kr td��|| _d| _d S )Nr zposition not in ranger )r r r r )r" �posr r r �setpos� s zWave_read.setposc C s� | j r | j�dd� | j| j }|r| j�|d� d| _ |dkr"dS | j�|| j �}| jdkr<tjdkr<t � || j�}| j rF|rF| � |�}| jt |�| j | j | _|S )Nr � r �big)r r �seekr r r rF �sys� byteorder�audioop�byteswapr �lenrC )r" �nframesrZ �datar r r � readframes� s zWave_read.readframesc C s� zt �d|�d��\}| _| _}}W n t jy td �w |tkrJz t �d|�d��d }W n t jy: td �w |d d | _| jsIt d��nt d |f ��| jsXt d ��| j| j | _ d | _ d | _ d S ) Nz<HHLLH� z<H� r � � �bad sample widthzunknown format: %r�bad # of channels�NONEznot compressed) �structZ unpack_fromr rC rH �errorr �WAVE_FORMAT_PCMrF r r rK rN )r" r$ Z wFormatTagZdwAvgBytesPerSecZ wBlockAlign� sampwidthr r r r � s* $��� zWave_read._read_fmt_chunkN)r r r r% r0 r5 r8 r< r> r@ r- rB rD rE rG rI rL rO rP rR rX r[ rf r r r r r r ^ s. r c @ s� e Zd Z dd� Zdd� Zdd� Zdd� Zd d � Zd d � Zd d� Z dd� Z dd� Z dd� Z dd� Z dd� Zdd� Zdd � Zd d � Zd d � Zd!d"� Zd#d$� Zd%d&� Zd'd(� Zd)d*� Zd+d,� Zd-d.� Zd/d0� Zd1d2� Zd3d4� Z d5d6� Z d7d8� Z d9S ):r c C r& )N�wbr( r. r r r r0 - s zWave_write.__init__c C s@ || _ d | _d| _d| _d| _d| _d| _d| _d| _d| _ d S )Nr F) r r rC rF rH r �_nframeswritten� _datawritten� _datalength�_headerwrittenrA r r r r% 9 s zWave_write.initfpc C r1 r2 r3 r4 r r r r5 E r6 zWave_write.__del__c C r7 r2 r r4 r r r r8 H r9 zWave_write.__enter__c G r1 r2 r3 r: r r r r< K r6 zWave_write.__exit__c C s( | j rtd��|dk rtd��|| _d S )N�0cannot change parameters after starting to writer rl )rt r rC )r" � nchannelsr r r � setnchannelsQ s zWave_write.setnchannelsc C � | j std��| j S )Nznumber of channels not set)rC r r4 r r r rD X � zWave_write.getnchannelsc C s0 | j rtd��|dk s|dkrtd��|| _d S )Nrw r r rk )rt r rF )r" rq r r r � setsampwidth] s zWave_write.setsampwidthc C rz )Nzsample width not set)rF r r4 r r r rG d r{ zWave_write.getsampwidthc C s0 | j rtd��|dkrtd��tt|��| _d S )Nrw r zbad frame rate)rt r �int�roundrH )r" � framerater r r � setframeratei s zWave_write.setframeratec C rz )Nzframe rate not set)rH r r4 r r r rI p r{ zWave_write.getframeratec C s | j rtd��|| _d S �Nrw )rt r r )r" rd r r r � setnframesu s zWave_write.setnframesc C r= r2 �rs r4 r r r rE z r? zWave_write.getnframesc C s. | j rtd��|dvrtd��|| _|| _d S )Nrw )rm z unsupported compression type)rt r rK rN )r" �comptype�compnamer r r � setcomptype} s zWave_write.setcomptypec C r= r2 rJ r4 r r r rL � r? zWave_write.getcomptypec C r= r2 rM r4 r r r rO � r? zWave_write.getcompnamec C sV |\}}}}}}| j rtd��| �|� | �|� | �|� | �|� | �||� d S r� )rt r ry r| r� r� r� )r" �paramsrx rq r rd r� r� r r r � setparams� s zWave_write.setparamsc C s8 | j r | jr | js td��t| j | j| j| j| j| j�S )Nznot all parameters set)rC rF rH r r r rK rN r4 r r r rP � s �zWave_write.getparamsc C rS )Nzsetmark() not supportedrU )r" rW rZ �namer r r �setmark� rY zWave_write.setmarkc C rS rT rU rV r r r rX � rY zWave_write.getmarkc C rQ r2 r r4 r r r rR � r9 zWave_write.getmarkersc C r= r2 r� r4 r r r rB � r? zWave_write.tellc C s� t |ttf�st|��d�}| �t|�� t|�| j| j }| j r'| � |�}| jdkr8t j dkr8t � || j�}| j�|� | jt|�7 _| j| | _d S )N�Br r] )r* �bytes� bytearray� memoryview�cast�_ensure_header_writtenrc rF rC r r_ r` ra rb r �writert rs )r" re rd r r r �writeframesraw� s zWave_write.writeframesrawc C s& | � |� | j| jkr| �� d S d S r2 )r� ru rt � _patchheader)r" re r r r � writeframes� s �zWave_write.writeframesc C sz z+| j r| �d� | j| jkr| �� | j �� W d | _ | j}|r*d | _|�� d S d S d | _ | j}|r<d | _|�� w w )Nr )r r� ru rt r� �flushr) r- rA r r r r- � s& � �� �zWave_write.closec C sB | j s | js td��| jstd��| jstd��| �|� d S d S )Nz# channels not specifiedzsample width not specifiedzsampling rate not specified)rv rC r rF rH � _write_header)r" Zdatasizer r r r� � s �z!Wave_write._ensure_header_writtenc C s� | j �d� | js|| j| j | _| j| j | j | _z| j �� | _W n tt fy2 d | _Y nw | j �t � dd| j dddt | j| j | j| j | j | j| j | jd d� � | jd ure| j �� | _| j �t � d | j�� d | _d S ) Nr z<L4s4sLHHLLHH4s�$ r r � rj r �<LT)r r� r rC rF ru rB �_form_length_pos�AttributeError�OSErrorrn �packrp rH �_data_length_posrv )r" Z initlengthr r r r� � s( � � zWave_write._write_headerc C s� | j | jkrd S | j�� }| j�| jd� | j�t�dd| j �� | j�| j d� | j�t�d| j �� | j�|d� | j | _d S )Nr r� r� ) rt ru r rB r^ r� r� rn r� r� )r" Zcurposr r r r� � s zWave_write._patchheaderN) r r r r0 r% r5 r8 r< ry rD r| rG r� rI r� rE r� rL rO r� rP r� rX rR rB r� r� r- r� r� r� r r r r r s< r c C sF |d u rt | d�r | j}nd}|dv rt| �S |dv r t| �S td��)N�moder' )�rr' )�wrr z$mode must be 'r', 'rb', 'w', or 'wb')�hasattrr� r r r )r/ r� r r r r � s r r2 )r$ r � collectionsr ra r, rn r_ �__all__� Exceptionr rp Z _array_fmtsr r r r r r r r �<module> s& I � 6 d