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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.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
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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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