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zAifc_read.__init__c C s | S Nr rY r r r __enter__h s zAifc_read.__enter__c G s | d S rc r` rY argsr r r __exit__k s zAifc_read.__exit__c C s | j S rc )rR rd r r r getfpq s zAifc_read.getfpc C s d| _ d| _d S )Nr r )rU rQ rd r r r rewindt s zAifc_read.rewindc C s | j }|d k r d | _ | d S rc )rR r` rY r r r r r` x s zAifc_read.closec C s | j S rc )rQ rd r r r tell~ s zAifc_read.tellc C s | j S rc )
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_sampwidthrd r r r getsampwidth s zAifc_read.getsampwidthc C s | j S rc )
_frameraterd r r r getframerate s zAifc_read.getframeratec C s | j S rc _comptyperd r r r getcomptype s zAifc_read.getcomptypec C s | j S rc _compnamerd r r r getcompname s zAifc_read.getcompnamec C s* t | | | | | | S rc )rD ro rs ru rq rx r{ rd r r r getparams s zAifc_read.getparamsc C s t | jdkrd S | jS Nr r: rP rd r r r
getmarkers s zAifc_read.getmarkersc C s2 | j D ]}||d kr| S qtd|d S Nr zmarker {0!r} does not existrP r formatrY idmarkerr r r getmark s
zAifc_read.getmarkc C s* |dk s|| j krtd|| _d| _d S )Nr zposition not in ranger )rp r rQ rU )rY posr r r setpos s zAifc_read.setposc C s | j rD| jd | jd}| j| j }|r>| j|d d| _ |dkrPdS | j|| j }| jrv|rv| |}| jt|| j| j | _|S )Nr rK r )
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_AIFC_versionrN rw rz rO rn rr rt rp _nframeswritten _datawritten _datalengthrP _marklengthrS rl r r r r[ ? s zAifc_write.initfpc C s | d S rc rf rd r r r __del__P s zAifc_write.__del__c C s | S rc r rd r r r re S s zAifc_write.__enter__c G s | d S rc rf rg r r r ri V s zAifc_write.__exit__c C s | j rtdd| _d S )N0cannot change parameters after starting to writer r r rS rd r r r aiff\ s zAifc_write.aiffc C s | j rtdd| _d S )Nr r r rd r r r aifca s zAifc_write.aifcc C s( | j rtd|dk r td|| _d S )Nr r r )r r rn )rY nchannelsr r r setnchannelsf s
zAifc_write.setnchannelsc C s | j std| j S )Nznumber of channels not set)rn r rd r r r ro m s zAifc_write.getnchannelsc C s0 | j rtd|dk s |dkr&td|| _d S )Nr r r r )r r rr )rY sampwidthr r r setsampwidthr s
zAifc_write.setsampwidthc C s | j std| j S )Nzsample width not set)rr r rd r r r rs y s zAifc_write.getsampwidthc C s( | j rtd|dkr td|| _d S )Nr r zbad frame rate)r r rt )rY framerater r r setframerate~ s
zAifc_write.setframeratec C s | j std| j S )Nzframe rate not set)rt r rd r r r ru s zAifc_write.getframeratec C s | j rtd|| _d S )Nr )r r rp )rY r r r r
setnframes s zAifc_write.setnframesc C s | j S rc r rd r r r rq s zAifc_write.getnframesc C s. | j rtd|dkr td|| _|| _d S Nr )r r r r r r r )r r rw rz )rY comptypecompnamer r r setcomptype s zAifc_write.setcomptypec C s | j S rc rv rd r r r rx s zAifc_write.getcomptypec C s | j S rc ry rd r r r r{ s zAifc_write.getcompnamec C sf |\}}}}}}| j r td|dkr.td| | | | | | | | | || d S r )r r r r r r r )rY Zparamsr r r r r r r r r setparams s
zAifc_write.setparamsc C s8 | j r| jr| jstdt| j | j| j| j| j| jS )Nznot all parameters set)rn rr rt r rD rp rw rz rd r r r r| s zAifc_write.getparamsc C s |dkrt d|dk r t dt|ts2t dtt| jD ],}|| j| d kr@|||f| j|< d S q@| j|||f d S )Nr zmarker ID must be > 0z marker position must be >= 0zmarker name must be bytes)r r] bytesr r: rP r )rY r r r r r r r setmark s
zAifc_write.setmarkc C s2 | j D ]}||d kr| S qtd|d S r r r r r r r s
zAifc_write.getmarkc C s t | jdkrd S | jS r} r~ rd r r r r s zAifc_write.getmarkersc C s | j S rc r rd r r r rm s zAifc_write.tellc C sz t |ttfs t|d}| t| t|| j| j }| j rN| |}| j
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zAifc_write._lin2adpcmc C sf | j sb| jdkr.| js d| _| jdkr.td| js | j dkr| j| _n&| j dkr(| j| _n| j dkr:| j| _d S )Nr r r )rw r rO r r rd r r r _init_compression s
z Aifc_write._init_compressionc C sJ | j r| jdkr| | jd | js<|| j| j | _| j| j | j | _| jd@ rf| jd | _| j r| jdkr| jd | _| jd@ r| jd | _n0| jdkr| jd d | _| jd@ r| jd | _z| j | _
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d k r | j | _t| j| jd t| jd t| jd d S )Nr rF r )r r r r r r r rH rL rG rI r rK rJ r )rS rw r rR r/ rp rn rr r rm _form_length_posAttributeErrorOSError_write_form_lengthr6 rN r3 _nframes_posrA rt r= rz _ssnd_length_pos)rY Z
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zAifc_write._patchheaderc C s t | jdkrd S | jd d}| jD ]:}|\}}}|t | d d }t |d@ dkr(|d }q(t| j| |d | _t| jt | j | jD ]2}|\}}}t| j| t| j| t| j| qd S )Nr rM r r rK )r: rP rR r/ r6 r r3 r= )rY r r r r r r r r r { s"
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