a
    äze  ã                   @   sÎ   d dl mZ e d¡ d dlmZ e d¡Zd dlZd dlZd dl	Z	d dl
Z
d dlZd dlZzd dlmZ W n* ey–   ejdkrŒejZnejZY n0 dd	„ ZG d
d„ dejƒZdd„ ZedkrÊe ¡  dS )é    )ÚsupportZaudio)ÚfindfileÚossaudiodevN)ÚAFMT_S16_NEÚlittlec                 C   s†   t | dƒB}t  |¡}| ¡ }| ¡ }|j}| d¡ | ¡ }W d   ƒ n1 sR0    Y  |tjkrntdƒ‚t	 
|d¡}||d|fS )NÚrbr   z)Expect .au file with 8-bit mu-law samplesé   é   )ÚopenÚsunauZgetframerateZgetnchannelsÚ	_encodingÚseekÚreadZAUDIO_FILE_ENCODING_MULAW_8ÚRuntimeErrorÚaudioopZulaw2lin)ÚpathÚfpZauÚrateÚ	nchannelsÚencodingÚdata© r   ú+/usr/lib/python3.9/test/test_ossaudiodev.pyÚread_sound_file   s    

&
r   c                   @   sL   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S )ÚOSSAudioDevTestsc              
   C   s’  zt  d¡}W nN ty\ } z6|jd tjtjtjtjfv rFt	 
|¡‚‚ W Y d }~n
d }~0 0 | ¡  | ¡  | ¡  | ¡  | ¡  |  |j¡ |  |jd¡ |  |jdd|j ¡ dD ]:}zt||dƒ W n ttfyä   Y qº0 |  d| ¡ qºtt|ƒƒ|d  | | }| t||¡ |  t|d	 ƒd
k |¡ t  ¡ }	| !|¡ | "¡  t  ¡ }
|
|	 }t|| ƒ| d }|  |dkd||f ¡ d S )NÚwr   z/dev/dspzbad dsp.mode: %r)ÚclosedÚnameÚmodeé*   zdsp.%s not read-onlyé   g®Gáz@g{®Gáz„?éd   g      $@z2elapsed time (%s) > 10%% off of expected time (%s))#r   r
   ÚOSErrorÚargsÚerrnoÚEACCESÚENOENTÚENODEVÚEBUSYÚunittestÚSkipTestÚbufsizeÚ	obufcountÚobuffreeÚgetptrÚfilenoZassertFalser   ÚassertEqualr   r   ÚsetattrÚ	TypeErrorÚAttributeErrorÚfailÚfloatÚlenÚsetparametersr   Ú
assertTrueÚabsÚtimeÚ	monotonicÚwriteÚclose)Úselfr   r   Zssizer   ÚdspÚmsgÚattrZexpected_timeÚt1Út2Zelapsed_timeZpercent_diffr   r   r   Úplay_sound_file,   sH    ÿ


ÿÿz OSSAudioDevTests.play_sound_filec           	      C   sÀ   t jddf}tddf}||fD ]<}|\}}}| |¡|kr| |¡|kr| |¡|kr qdqtdƒ‚| |||d¡}|  ||||fd||f ¡ | |||d¡}|  ||||fd||f ¡ d S )	Né   i@  r   éD¬  zRunable to set audio sampling parameters: you must have really weird audio hardwareFzsetparameters%r: returned %rT)	r   ZAFMT_U8r   ZsetfmtÚchannelsZspeedr   r7   r0   )	r>   r?   Zconfig1Zconfig2ÚconfigÚfmtrG   r   Úresultr   r   r   Úset_parameters[   s&    

ÿþ
ÿ
ÿzOSSAudioDevTests.set_parametersc                 C   s    t }d}d}|d|f|d|f||dffD ]r}|\}}}| |||d¡}|  ||d¡ z| |||d¡}W n& tjyŽ } zW Y d }~q(d }~0 0 |  d	¡ q(d S )
NrF   r   i,  éûÿÿÿiÎÿÿÿFz(unexpectedly got requested configurationTzexpected OSSAudioError)r   r7   ZassertNotEqualr   ZOSSAudioErrorr4   )r>   r?   rI   r   rG   rH   rJ   Úerrr   r   r   Úset_bad_parametersy   s"    þ
ÿz#OSSAudioDevTests.set_bad_parametersc                 C   s   t tdƒƒ}| j|Ž  d S )Nzaudiotest.au)r   r   rD   )r>   Z
sound_infor   r   r   Útest_playback’   s    zOSSAudioDevTests.test_playbackc              	   C   sH   t  d¡}z"|  |¡ W | ¡  |  |j¡ n| ¡  |  |j¡ 0 d S ©Nr   )r   r
   rK   r=   r8   r   ©r>   r?   r   r   r   Útest_set_parameters–   s    
ÿz$OSSAudioDevTests.test_set_parametersc                 C   s<   t  ¡  }|  | ¡ d¡ W d   ƒ n1 s.0    Y  d S )Nr   )r   Ú	openmixerZassertGreaterEqualr/   )r>   Úmixerr   r   r   Útest_mixer_methods¢   s    
z#OSSAudioDevTests.test_mixer_methodsc                 C   s:   t  d¡}W d   ƒ n1 s 0    Y  |  |j¡ d S rP   )r   r
   r8   r   rQ   r   r   r   Ú	test_with¨   s    zOSSAudioDevTests.test_withc                 C   s¸   t  d¡}| ¡  |  t|j¡ |  t|jd¡ |  t|jd¡ |  t|jd¡ |  t|j	¡ |  t|j
¡ |  t|j
¡ |  t|j¡ |  t|j¡ t  ¡ }| ¡  |  t|j¡ d S )Nr   rE   ó   x)r   r
   r=   ZassertRaisesÚ
ValueErrorr/   r   r<   Zwriteallr+   r,   r-   r.   rS   )r>   r?   rT   r   r   r   Útest_on_closed­   s    
zOSSAudioDevTests.test_on_closedN)Ú__name__Ú
__module__Ú__qualname__rD   rK   rN   rO   rR   rU   rV   rY   r   r   r   r   r   *   s   /r   c               
   C   sp   zt  d¡} W nT t jtfyb } z6|jd tjtjtjtj	fv rLt
 |¡‚‚ W Y d }~n
d }~0 0 |  ¡  d S )Nr   r   )r   r
   Úerrorr"   r#   r$   r%   r&   r'   r(   r)   r*   r=   )r?   r@   r   r   r   ÚsetUpModule¾   s    ÿ
r^   Ú__main__)Útestr   ZrequiresZtest.supportr   Úimport_moduler   r$   Úsysr   r:   r   r)   r   ÚImportErrorÚ	byteorderZAFMT_S16_LEZAFMT_S16_BEr   ZTestCaser   r^   rZ   Úmainr   r   r   r   Ú<module>   s*   


 
