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getmarkers s zAu_read.getmarkersc C s t d��d S )Nzno marks)r )r0 �idr r r �getmark s zAu_read.getmarkc C sp | j tkrl|tkr | j�� }n| j�|| j �}| jt|�| j 7 _| j tkrhdd l }|�
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d| _ d S )Nr r; rY ) r3 rJ rK rD rE r? �_nframes�_nframeswritten� _datawritten� _datalengthrL � _comptype)r0 r r r r r/ I s zAu_write.initfpc C s( | j rtd��|dkr td��|| _d S )Nz0cannot change parameters after starting to write)r r r z"only 1, 2, or 4 channels supported)rm r rK )r0 � nchannelsr r r � setnchannelsV s
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zAu_write.setsampwidthc C s | j std��| jS )Nzsample width not specified)rJ r rD )r0 r r r rV i s zAu_write.getsampwidthc C s | j rtd��|| _d S )Nz0cannot change parameters after starting to write)rm r rJ )r0 � framerater r r � setframeraten s zAu_write.setframeratec C s | j std��| j S )Nzframe rate not set)rJ r )r0 r r r rW s s zAu_write.getframeratec C s( | j rtd��|dk r td��|| _d S )Nz0cannot change parameters after starting to writer z # of frames cannot be negative)rm r rl )r0 rd r r r �
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zAu_write.setnframesc C s | j S )N)rm )r0 r r r rX s zAu_write.getnframesc C s |dkr|| _ ntd��d S )N)r[ rY zunknown compression type)rp r )r0 r+ �namer r r � setcomptype� s zAu_write.setcomptypec C s | j S )N)rp )r0 r r r r\ � s zAu_write.getcomptypec C s$ | j dkrdS | j dkr dS dS d S )NrY zCCITT G.711 u-lawrZ zCCITT G.711 A-lawznot compressed)rp )r0 r r r r] � s
zAu_write.getcompnamec C sH |\}}}}}}| � |� | �|� | �|� | �|� | �||� d S )N)rr rt rv rw ry )r0 �paramsrq rs ru rd ZcomptypeZcompnamer r r � setparams� s
zAu_write.setparamsc C s* t | �� | �� | �� | �� | �� | �� �S )N)r rU rV rW rX r\ r] )r0 r r r r^ � s zAu_write.getparamsc C s | j S )N)rm )r0 r r r rN � s z
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_write_header)r0 r r r r� � s z Au_write._ensure_header_writtenc C s� | j dkrl| jdkr t}d| _q�| jdkr6t}d| _q�| jdkrLt}d| _q�| jdkrbt}d| _q�td��n | j dkr�t}d| _ntd��| j| j | _t
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*rj c C sJ |d kr t | d�r| j}nd}|dkr.t| �S |dkr>t| �S td��d S )N�moder* )�rr* )�wrk z$mode must be 'r', 'rb', 'w', or 'wb')�hasattrr� r( rj r )r1 r� r r r r- s
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r� )N)N)� collectionsr r� r r= rB rF rG rH rI ZAUDIO_FILE_ENCODING_FLOATZAUDIO_FILE_ENCODING_DOUBLEZ AUDIO_FILE_ENCODING_ADPCM_G721Z AUDIO_FILE_ENCODING_ADPCM_G722Z AUDIO_FILE_ENCODING_ADPCM_G723_3Z AUDIO_FILE_ENCODING_ADPCM_G723_5rC r? rA � Exceptionr r r' r( rj r- r� r r r r �<module>j s@ Q