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d| _ d S )Nr r; rY ) r3 rJ rK rD rE r? Ú_nframesÚ_nframeswrittenÚ _datawrittenÚ _datalengthrL Ú _comptype)r0 r r r r r/ F s zAu_write.initfpc C s( | j rtdƒ‚|dkr tdƒ‚|| _d S )Nz0cannot change parameters after starting to writer r r z"only 1, 2, or 4 channels supported)r r r )rm r rK )r0 Ú nchannelsr r r Ú setnchannelsS 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|| _ ntdƒ‚d S )Nr[ rY zunknown compression type)r[ rY )rp r )r0 r+ Únamer r r Ú 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] ˆ s
zAu_write.getcompnamec C sH |\}}}}}}| j |ƒ | j|ƒ | j|ƒ | j|ƒ | j||ƒ d S )N)rr rt rv rw ry )r0 Zparamsrq rs ru rd ZcomptypeZcompnamer r r Ú setparams s
zAu_write.setparamsc C s* t | jƒ | jƒ | jƒ | jƒ | jƒ | jƒ ƒS )N)r rU rV rW rX r\ r] )r0 r r r r^ ˜ s zAu_write.getparamsc C s | j S )N)rm )r0 r r r rN s z
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zAu_write._write_headerc C sH | j d krtdƒ‚| jj| j ƒ t| j| jƒ | j| _| jjddƒ d S )Nz cannot seekr r )r† rQ r3 rf r' rn ro )r0 r r r r‚ ø s
zAu_write._patchheaderN) r r r r2 r5 r6 r8 r/ rr rU rt rV rv rW rw rX ry r\ r] rz r^ rN r rƒ r4 r€ r… r‚ r r r r rj 0 s2
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r- )N)Ú collectionsr r r= rB rF rG rH rI 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_5rC r? rA Ú Exceptionr r r' r( rj r- Zopenfpr r r r Ú