From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Henningsson <david.henningsson@canonical.com>
Subject: Re: Direct write (using mmap_bigin and commit)
Date: Tue, 16 Nov 2010 08:10:53 +0100
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References: <16F32A3F9AF4E441B752BCD79C151ACA5D9A2EE339@EXGMBX01.sasken.com>
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To: Irfan Shaikh <irfan.shaikh@sasken.com>
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On 2010-11-15 13:24, Irfan Shaikh wrote:
>                          err = snd_pcm_mmap_begin(handle,&my_areas,&offset,&frames);
>                          mybuffer=(char *)malloc(frames*2);
>                          result = fread (mybuffer,1,(frames*2),pFile);
>                          my_areas.addr=mybuffer;           // IS THIS CORRECT ? WILL THIS WORK ? How can i write my audio file data here in areas?
>                          commitres = snd_pcm_mmap_commit(handle, offset, frames);

No, fread should write directly into the buffer given by 
snd_pcm_mmap_begin, you don't need "mybuffer" at all.

-- 
David Henningsson, Canonical Ltd.
http://launchpad.net/~diwic