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zAifc_read.rewindc C s$ | j }|d urd | _ | d S d S rg )rU rc r\ r r r r rc x s
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_nchannelsrh r r r getnchannels rs zAifc_read.getnchannelsc C rq rg )_nframesrh r r r
getnframes rs zAifc_read.getnframesc C rq rg )
_sampwidthrh r r r getsampwidth rs zAifc_read.getsampwidthc C rq rg )
_frameraterh r r r getframerate rs zAifc_read.getframeratec C rq rg _comptyperh r r r getcomptype rs zAifc_read.getcomptypec C rq rg _compnamerh r r r getcompname rs zAifc_read.getcompnamec C s* t | | | | | | S rg )rG rx r| r~ rz r r rh r r r getparams s zAifc_read.getparamsc C t | jdkr d S | jS Nr r= rS rh r r r
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zAifc_read.getmarkc C s* |dk s || j kr
td|| _d| _d S )Nr zposition not in ranger )ry r rT rX )r\ posr r r setpos s
zAifc_read.setposc C s | j r"| jd | jd}| j| j }|r | j|d d| _ |dkr(dS | j|| j }| jr;|r;| |}| jt|| j| j | _|S )Nr rN r )
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rd}|j dkrGd}t
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kr| j| _n| jdv r| j| _n| jdv r| j| _ntdd| _d S d S d | _d| _d S )N rN r bad sample widthbad # of channels r z Warning: bad COMM chunk size r r# NONE G722 ulaw ULAW alaw ALAW unsupported compression typer not compressed)r rw r ry r{ rC r. r} r r rV Z chunksizewarningswarnr r r r r r" r r rR r r )r\ r] Zkludger r r r rY sF
zAifc_read._read_comm_chunkc C s t |}z#t|D ]}t |}t|}t|}|s|r$| j|||f q W d S tyI dt| jt| jdkrd? Z"d@dA Z#dBdC Z$dDdE Z%dFdG Z&dHdI Z'dS )J
Aifc_writeNc C s\ t |tr't|d}z| | W n | |dr%d| _d S d S | | d S )Nwbz.aiffr )r` ra rb r r^ rc endswithrV rd r r r re / s
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_AIFC_versionrQ r r rR rw r{ r} ry _nframeswritten _datawritten _datalengthrS _marklengthrV ru r r r r^ ? s
zAifc_write.initfpc C rk rg rl rh r r r __del__P rp zAifc_write.__del__c C rf rg r rh r r r ri S rj zAifc_write.__enter__c G rk rg rl rm r r r ro V rp zAifc_write.__exit__c C | j rtdd| _d S )N0cannot change parameters after starting to writer r r rV rh r r r aiff\
zAifc_write.aiffc C r )Nr r r rh r r r aifca r zAifc_write.aifcc C s( | j rtd|dk rtd|| _d S )Nr r r )r r rw )r\ nchannelsr r r setnchannelsf
zAifc_write.setnchannelsc C | j std| j S )Nznumber of channels not set)rw r rh r r r rx m zAifc_write.getnchannelsc C s0 | j rtd|dk s|dkrtd|| _d S )Nr r r r )r r r{ )r\ sampwidthr r r setsampwidthr s
zAifc_write.setsampwidthc C r )Nzsample width not set)r{ r rh r r r r| y r zAifc_write.getsampwidthc C s( | j rtd|dkrtd|| _d S )Nr r zbad frame rate)r r r} )r\ framerater r r setframerate~ r zAifc_write.setframeratec C r )Nzframe rate not set)r} r rh r r r r~ r zAifc_write.getframeratec C s | j rtd|| _d S )Nr )r r ry )r\ r r r r
setnframes r zAifc_write.setnframesc C rq rg r rh r r r rz rs zAifc_write.getnframesc C s. | j rtd|dvrtd|| _|| _d S Nr )r r r r r r r )r r r r )r\ comptypecompnamer r r setcomptype s
zAifc_write.setcomptypec C rq rg r rh r r r r rs zAifc_write.getcomptypec C rq rg r rh r r r r rs zAifc_write.getcompnamec C sf |\}}}}}}| j rtd|dvrtd| | | | | | | | | || d S r )r r r r r r r )r\ paramsr r r r r r r r r setparams s
zAifc_write.setparamsc C s8 | j r | jr | js
tdt| j | j| j| j| j| jS )Nznot all parameters set)rw r{ r} r rG ry r r rh r r r r s
zAifc_write.getparamsc C s |dkrt d|dk rt dt|tst dtt| jD ]}|| j| d kr6|||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= rS r )r\ r r r r r r r setmark s
zAifc_write.setmarkc C r r r r r r r r r zAifc_write.getmarkc C r r r rh r r r r r zAifc_write.getmarkersc C rq rg r rh r r r rv rs zAifc_write.tellc C sz t |ttfst|d}| t| t|| j| j }| j r'| |}| j
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zAifc_write.writeframesrawc C s2 | | | j| jks| j| jkr| d S d S rg )r r ry r r _patchheader)r\ r r r r writeframes s
zAifc_write.writeframesc C s | j d u rd S zM| d | jd@ r | j d | jd | _| | j| jks1| j| jks1| jrE| W d | _
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zAifc_write.closec C r r )r Zlin2alawr r r r _lin2alaw r zAifc_write._lin2alawc C r r )r Zlin2ulawr r r r _lin2ulaw r zAifc_write._lin2ulawc C r r )r r r Z lin2adpcmr r r r
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zAifc_write._lin2adpcmc C sj | j s3| jdv r| jsd| _| jdkrtd| js td| js%td| js,td| | d S d S )Nr r r r r r zRsample width must be 2 when compressing with ulaw/ULAW, alaw/ALAW or G7.22 (ADPCM)z# channels not specifiedzsample width not specifiedzsampling rate not specified)r r r{ r rw r}
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z!Aifc_write._ensure_header_writtenc C sF | j dkr | j| _d S | j dv r| j| _d S | j dv r!| j| _d S d S )Nr r r )r r rR r r rh r r r _init_compression s
z Aifc_write._init_compressionc C s@ | j r | jdkr | | jd | js || j| j | _| j| j | j | _| jd@ r3| jd | _| j re| jdv rM| jd | _| jd@ rL| jd | _n| jdkre| jd d | _| jd@ re| jd | _z| j | _
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zAifc_write._write_headerc C s\ | j rdt| j }|d@ r|d }d}nd}d}t| jd| | j d | d | |S ) Nr r r r r rN )rV r= r r9 rU r )r\
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verslengthr r r r X s" z Aifc_write._write_form_lengthc C s | j }| jd@ r| jd }| j d n| j}|| jkr2| j| jkr2| jdkr2| j |d d S | j | j d |
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d t | j |d | j |d | j| _|| _d S )Nr r< r rN )rU rv r r1 r ry r r r r r r r9 r )r\ Zcurposr r! r r r r e s&
zAifc_write._patchheaderc C s t | jdkr d S | jd d}| jD ] }|\}}}|t | d d }t |d@ dkr1|d }qt| j| |d | _t| jt | j | jD ]}|\}}}t| j| t| j| t| j| qId S )Nr rP r r rN )r= rS rU r1 r9 r r5 r@ )r\ r r r r r r r r r { s&
zAifc_write._writemarkers)(r r r rU re r^ r ri ro r r r rx r r| r r~ r rz r r r r r r r r rv r r rc r r r r r r r r r r r r r r sL
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