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namedtuple
_sunau_paramsz7nchannels sampwidth framerate nframes comptype compnameidns. l c @ s e Z d Z d S)ErrorN)__name__
__module__ __qualname__ r r */opt/alt/python35/lib64/python3.5/sunau.pyr s r c C sP d } xC t d D]5 } | j d } | s4 t | d t | } q W| S)Nr r r )rangereadEOFErrorord)filexiZbyter r r _read_u32 s r c C se g } xE t d D]7 } t | d \ } } | j d t | | } q W| j t | d S)Nr r r )r divmodinsertintwritebytes)r r datar dmr r r
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r' c @ s e Z d Z d d Z d d Z d d Z d d Z d d
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d d Z d d Z d d Z
d d Z d d Z d d Z d d Z d d Z d! d" Z d# d$ Z d% d& Z d' d( Z d) S)*Au_readc C s\ t | t d k rB d d l } | j | d } d | _ n d | _ | j | d S)N r rbTF)typebuiltinsopen_openedinitfp)selffr, r r r __init__ s zAu_read.__init__c C s | j r | j d S)N)_fileclose)r0 r r r __del__ s zAu_read.__del__c C s | S)Nr )r0 r r r __enter__ s zAu_read.__enter__c G s | j d S)N)r4 )r0 argsr r r __exit__ s zAu_read.__exit__c C so | | _ d | _ t t | } | t k r< t d t t | | _ | j d k rl t d | j d k r t d t | | _ | j t k r t | j | _ t t | | _ | j t
k r t d | j t t f k rd | _
d | _ n | j t k r3d | _ | _
nr | j t k rUd | _ | _
nP | j t k rwd
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n. | j t k rd | _ | _
n t d t t | | _ t t | | _ | j | j | _ | j d k r+| j | j d | _ | j j d
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rjd | _ Yn Xd S)Nr zbad magic numberr zheader size too smalld z header size ridiculously largez encoding not (yet) supportedr r r r zunknown encodings ) r3 _soundposr! r AUDIO_FILE_MAGICr Z _hdr_size
_data_sizeAUDIO_UNKNOWN_SIZE _encoding_simple_encodingsAUDIO_FILE_ENCODING_MULAW_8AUDIO_FILE_ENCODING_ALAW_8
_sampwidth
_framesize AUDIO_FILE_ENCODING_LINEAR_8 AUDIO_FILE_ENCODING_LINEAR_16 AUDIO_FILE_ENCODING_LINEAR_24 AUDIO_FILE_ENCODING_LINEAR_32
_framerate
_nchannelsr _info partitiontell _data_posAttributeErrorOSError)r0 r magic_r r r r/ sP ! zAu_read.initfpc C s | j S)N)r3 )r0 r r r getfp s z
Au_read.getfpc C s | j S)N)rJ )r0 r r r getnchannels s zAu_read.getnchannelsc C s | j S)N)rC )r0 r r r getsampwidth s zAu_read.getsampwidthc C s | j S)N)rI )r0 r r r getframerate s zAu_read.getframeratec C s4 | j t k r t S| j t k r0 | j | j Sd S)Nr )r= r> r? r@ rD )r0 r r r
getnframes s
zAu_read.getnframesc C s. | j t k r d S| j t k r& d Sd Sd S)NULAWALAWNONE)r? rA rB )r0 r r r getcomptype s
zAu_read.getcomptypec C s. | j t k r d S| j t k r& d Sd Sd S)NzCCITT G.711 u-lawzCCITT G.711 A-lawznot compressed)r? rA rB )r0 r r r getcompname s
zAu_read.getcompnamec C s= t | j | j | j | j | j | j S)N)r rT rU rV rW r[ r\ )r0 r r r getparams s zAu_read.getparamsc C s d S)Nr )r0 r r r
getmarkers s zAu_read.getmarkersc C s t d d S)Nzno marks)r )r0 idr r r getmark s zAu_read.getmarkc C s | j t k r | t k r- | j j } n | j j | | j } | j t | | j 7_ | j t k r d d l } | j
| | j } | Sd S)Nr ) r? r@ r> r3 r rD r; lenrA audioopZulaw2linrC )r0 nframesr$ rb r r r
readframes s zAu_read.readframesc C s; | j d k r t d | j j | j d | _ d S)Nz cannot seekr )rN rP r3 seekr; )r0 r r r rewind s zAu_read.rewindc C s | j S)N)r; )r0 r r r rM s z Au_read.tellc C sp | d k s | | j k r* t d | j d k rE t d | j j | j | | j | | _ d S)Nr zposition not in rangez cannot seek)rW r rN rP r3 re rD r; )r0 posr r r setpos! s zAu_read.setposc C s/ | j } | r+ d | _ | j r+ | j d S)N)r3 r. r4 )r0 r r r r r4 ) s
z
Au_read.closeN)r r r r2 r5 r6 r8 r/ rS rT rU rV rW r[ r\ r] r^ r` rd rf rM rh r4 r r r r r( s( ,
r( c @ s< e Z d Z d d Z d d Z d d Z d d Z d d
Z d d Z d
d Z d d Z
d d Z d d Z d d Z
d d Z d d Z d d Z d d Z d d Z d! d" Z d# d$ Z d% d& Z d' d( Z d) d* Z d+ d, Z d- d. Z d/ d0 Z d1 d2 Z d3 S)4Au_writec C s\ t | t d k rB d d l } | j | d } d | _ n d | _ | j | d S)Nr) r wbTF)r+ r, r- r. r/ )r0 r1 r, r r r r2 2 s zAu_write.__init__c C s | j r | j d | _ d S)N)r3 r4 )r0 r r r r5 ; s
zAu_write.__del__c C s | S)Nr )r0 r r r r6 @ s zAu_write.__enter__c G s | j d S)N)r4 )r0 r7 r r r r8 C s zAu_write.__exit__c C sg | | _ d | _ d | _ d | _ d | _ t | _ d | _ d | _ d | _ d | _
d | _ d S)Nr r: rX ) r3 rI rJ rC rD r> _nframes_nframeswritten _datawritten _datalengthrK _comptype)r0 r r r r r/ F s zAu_write.initfpc C s: | j r t d | d k r- t d | | _ d S)Nz0cannot change parameters after starting to writer r r z"only 1, 2, or 4 channels supported)r r r )rl r rJ )r0 nchannelsr r r setnchannelsS s
zAu_write.setnchannelsc C s | j s t d | j S)Nznumber of channels not set)rJ r )r0 r r r rT Z s zAu_write.getnchannelsc C s: | j r t d | d k r- t d | | _ d S)Nz0cannot change parameters after starting to writer r r r zbad sample width)r r r r )rl r rC )r0 sampwidthr r r setsampwidth_ s
zAu_write.setsampwidthc C s | j s t d | j S)Nzsample width not specified)rI r rC )r0 r r r rU f s zAu_write.getsampwidthc C s" | j r t d | | _ d S)Nz0cannot change parameters after starting to write)rl r rI )r0 framerater r r setframeratek s zAu_write.setframeratec C s | j s t d | j S)Nzframe rate not set)rI r )r0 r r r rV p s zAu_write.getframeratec C s: | j r t d | d k r- t d | | _ d S)Nz0cannot change parameters after starting to writer z # of frames cannot be negative)rl r rk )r0 rc r r r
setnframesu s
zAu_write.setnframesc C s | j S)N)rl )r0 r r r rW | s zAu_write.getnframesc C s( | d k r | | _ n t d d S)NrZ rX zunknown compression type)rZ rX )ro r )r0 r+ namer r r setcomptype s zAu_write.setcomptypec C s | j S)N)ro )r0 r r r r[ s zAu_write.getcomptypec C s. | j d k r d S| j d k r& d Sd Sd S)NrX zCCITT G.711 u-lawrY zCCITT G.711 A-lawznot compressed)ro )r0 r r r r\ s
zAu_write.getcompnamec C s` | \ } } } } } } | j | | j | | j | | j | | j | | d S)N)rq rs ru rv rx )r0 paramsrp rr rt rc ZcomptypeZcompnamer r r setparams s
zAu_write.setparamsc C s= t | j | j | j | j | j | j S)N)r rT rU rV rW r[ r\ )r0 r r r r] s zAu_write.getparamsc C s | j S)N)rl )r0 r r r rM s z
Au_write.tellc C s t | t t f s* t | j d } | j | j d k rd d d l } | j | | j } t
| | j } | j j
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isinstancer# bytearray
memoryviewcast_ensure_header_writtenro rb Zlin2ulawrC ra rD r3 r" rl rm )r0 r$ rb rc r r r writeframesraw s
zAu_write.writeframesrawc C s? | j | | j | j k s1 | j | j k r; | j d S)N)r rl rk rn rm _patchheader)r0 r$ r r r writeframes s
zAu_write.writeframesc C s | j r{ zI | j | j | j k s: | j | j k rD | j | j j Wd | j } d | _ | j rz | j Xd S)N)
r3 r rl rk rn rm r flushr. r4 )r0 r r r r r4 s
zAu_write.closec C sV | j sR | j s t d | j s3 t d | j sH t d | j d S)Nz# of channels not specifiedzsample width not specifiedzframe rate not specified)rl rJ r rC rI
_write_header)r0 r r r r s z Au_write._ensure_header_writtenc
C s | j d k r | j d k r0 t } d | _ q | j d k rQ t } d | _ q | j d k rr t } d | _ q | j d k r t } d | _ q t d n- | j d k r t } d | _ n t d | j | j | _ t
| j t d t
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| j | | j t k r;t } n | j | j } y | j j | _ Wn! t t f k
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NrZ r r r r zinternal errorrX r
r
s r i)ro rC rE rD rF rG rH r rA rJ r' r3 r< ra rK rk r> rM _form_length_posrO rP rn rI r" )r0 encodingZ header_sizelengthr r r r sJ zAu_write._write_headerc C sd | j d k r t d | j j | j t | j | j | j | _ | j j d d d S)Nz cannot seekr r )r rP r3 re r' rm rn )r0 r r r r s zAu_write._patchheaderN) r r r r2 r5 r6 r8 r/ rq rT rs rU ru rV rv rW rx r[ r\ rz r] rM r r r4 r r r r r r r ri 0 s2
*ri Nc C si | d k r- t | d r' | j } n d } | d k rC t | S| d k rY t | St d d S) Nmoder* rwrj z$mode must be 'r', 'rb', 'w', or 'wb')r r* )r rj )hasattrr r( ri r )r1 r r r r r- s
r- ) collectionsr r r< rA rE rF rG rH 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_5rB r> r@ Exceptionr r r' r( ri r- Zopenfpr r r r j s: