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zAu_read.initfpc C s | j S r5 )r7 r9 r r r getfp s z
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getnframes s
zAu_read.getnframesc C s$ | j tkrdS | j tkr dS dS d S )NULAWALAWNONErG rI rJ r9 r r r getcomptype s
zAu_read.getcomptypec C s$ | j tkrdS | j tkr dS dS d S )NCCITT G.711 u-lawCCITT G.711 A-lawnot compressedrd r9 r r r getcompname s
zAu_read.getcompnamec C s* t | | | | | | S r5 r r\ r] r^ r` re ri r9 r r r getparams s zAu_read.getparamsc C s d S r5 r r9 r r r
getmarkers s zAu_read.getmarkersc C s t dd S )Nzno marks)r )r2 idr r r getmark s zAu_read.getmarkc C sp | j tv rl|tkr | j }n| j|| j }| jt|| j 7 _| j tkrhdd l }|
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readframes s
zAu_read.readframesc C s* | j d u rtd| j| j d| _d S )N cannot seekr )rV rX r7 seekrC r9 r r r rewind s
zAu_read.rewindc C s | j S r5 )rC r9 r r r rU ! s z Au_read.tellc C sP |dk s|| kr td| jd u r.td| j| j|| j || _d S )Nr zposition not in rangers )r` r rV rX r7 rt rL rC )r2 posr r r setpos$ s
zAu_read.setposc C s" | j }|r d | _ | jr | d S r5 )r7 r/ r8 r2 r r r r r8 , s
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dd Zdd Zdd Zd d Zd d Zd!d" Zd#d$ Zd%d& Zd'd( Zd)d* Zd+d, Zd-d. Zd/d0 Zd1d2 Zd3S )4Au_writec C s@ t |t dkr,dd l}||d}d| _nd| _| | d S )Nr) r wbTFr+ r1 r r r r4 5 s zAu_write.__init__c C s | j r| d | _ d S r5 r6 r9 r r r r: > s zAu_write.__del__c C s | S r5 r r9 r r r r; C s zAu_write.__enter__c G s | d S r5 r< r= r r r r? F s zAu_write.__exit__c C sF || _ d| _d| _d| _d| _t| _d| _d| _d| _ d| _
d| _ d S )Nr rB ra ) r7 rQ rR rK rL rF _nframes_nframeswritten _datawritten _datalengthrS _comptyperx r r r r0 I s zAu_write.initfpc C s( | j rtd|dvr td|| _d S )N0cannot change parameters after starting to write)r r r z"only 1, 2, or 4 channels supported)r| r rR )r2 nchannelsr r r setnchannelsV s
zAu_write.setnchannelsc C s | j std| j S )Nznumber of channels not set)rR r r9 r r r r\ ] s zAu_write.getnchannelsc C s( | j rtd|dvr td|| _d S )Nr )r r r r zbad sample width)r| r rK )r2 sampwidthr r r setsampwidthb s
zAu_write.setsampwidthc C s | j std| jS )Nsample width not specified)rQ r rK r9 r r r r] i s zAu_write.getsampwidthc C s | j rtd|| _d S )Nr )r| r rQ )r2 framerater r r setframeraten s zAu_write.setframeratec C s | j std| j S )Nzframe rate not set)rQ r r9 r r r r^ s s zAu_write.getframeratec C s( | j rtd|dk r td|| _d S )Nr r z # of frames cannot be negative)r| r r{ )r2 rq r r r
setnframesx s
zAu_write.setnframesc C s | j S r5 r| r9 r r r r` s zAu_write.getnframesc C s |dv r|| _ ntdd S )N)rc ra zunknown compression type)r r )r2 r, namer r r setcomptype s zAu_write.setcomptypec C s | j S r5 r r9 r r r re s zAu_write.getcomptypec C s$ | j dkrdS | j dkr dS dS d S )Nra rf rb rg rh r r9 r r r ri s
zAu_write.getcompnamec C sH |\}}}}}}| | | | | | | | | || d S r5 )r r r r r )r2 paramsr r r rq ZcomptypeZcompnamer r r setparams s
zAu_write.setparamsc C s* t | | | | | | S r5 rj r9 r r r rk s zAu_write.getparamsc C s | j S r5 r r9 r r r rU s z
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zAu_write.writeframesrawc C s. | | | j| jks"| j| jkr*| d S r5 )r r| r{ r~ r} _patchheader)r2 r$ r r r writeframes s
zAu_write.writeframesc C sx | j rtzP| | j| jks(| j| jkr0| | j W | j }d | _ | jrt| n | j }d | _ | jrr| 0 d S r5 )
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zAu_write._write_headerc C sH | j d u rtd| j| j t| j| j | j| _| jdd d S )Nrs r r )r rX r7 rt r' r} r~ r9 r r r r s
zAu_write._patchheaderN) r r r r4 r: r; r? r0 r r\ r r] r r^ r r` r re ri r rk rU r r r8 r r r r r r r ry 3 s2
*ry Nc C sJ |d u r t | dr| j}nd}|dv r.t| S |dv r>t| S tdd S )Nmoder* )rr* )wrz z$mode must be 'r', 'rb', 'w', or 'wb')hasattrr r( ry r )r3 r r r r r. s
r. )N) collectionsr r rD rI rM rN rO rP 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_5rJ rF rH Exceptionr r r' r( ry r. r r r r