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Re: [Linphone-developers] OSS driver and ARM

From: Simon Morlat
Subject: Re: [Linphone-developers] OSS driver and ARM
Date: Fri, 13 May 2005 16:31:57 +0200
User-agent: KMail/1.7.2


You should have dig a bit more:
audio_stream_start_full() asks the SndCard passed as argument to create one 
sound source and one sound sink, in the case of a OssCard (that inherits from 
SndCard), it creates MSOssRead and MSOssWrite filters, that call the 
snd_card_read and snd_card_write that goes to oss_card_read and 

Le Mercredi 11 Mai 2005 20:32, Eduardo Bezerra a écrit :
> Hi folks,
>    I'm trying to adapt linphone to use it on an ARM platform. The sound
> driver that I get was an OSS driver. So, I have some questions. I know that
> there is a file, mediastreamer/osscard.c, that implements some functions
> that operate with OSS API. But, when I followed the function calls, I saw
> that linphonecore.c will use "audio_stream_start_with_sndcard" function
> from mediastreamer/audiostream.c, that it will fall in the
> "audio_stream_start_full" function, that calls "ms_start". So, what is the
> relation between ms_start and the functions defined in
> mediastreamer/osscard.c? I know that
> ms_start creates a thread for ms_thread_run, but I don't know how
> ms_thread_run uses the osscard.c functions.
> mediastreamer/ms.c
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