From mboxrd@z Thu Jan  1 00:00:00 1970
From: Irfan shaikh <irfan.shaikh@sasken.com>
Subject: Re: question application playback
Date: Tue, 3 Jan 2012 18:00:53 +0530
Message-ID: <4F02F4FD.80802@sasken.com>
References: <1325593416.22411.YahooMailNeo@web161301.mail.bf1.yahoo.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
Return-path: <alsa-devel-bounces@alsa-project.org>
Received: from mta-blr1.sasken.com (mta-blr1.sasken.com [203.200.200.72])
	by alsa0.perex.cz (Postfix) with ESMTP id 7D41524795
	for <Alsa-devel@alsa-project.org>; Tue,  3 Jan 2012 13:32:41 +0100 (CET)
In-Reply-To: <1325593416.22411.YahooMailNeo@web161301.mail.bf1.yahoo.com>
List-Unsubscribe: <http://mailman.alsa-project.org/mailman/listinfo/alsa-devel>,
	<mailto:alsa-devel-request@alsa-project.org?subject=unsubscribe>
List-Archive: <http://mailman.alsa-project.org/pipermail/alsa-devel>
List-Post: <mailto:alsa-devel@alsa-project.org>
List-Help: <mailto:alsa-devel-request@alsa-project.org?subject=help>
List-Subscribe: <http://mailman.alsa-project.org/mailman/listinfo/alsa-devel>,
	<mailto:alsa-devel-request@alsa-project.org?subject=subscribe>
Sender: alsa-devel-bounces@alsa-project.org
Errors-To: alsa-devel-bounces@alsa-project.org
To: Ricardo Barbosa <spiderslack@yahoo.com.br>
Cc: "Alsa-devel@alsa-project.org" <Alsa-devel@alsa-project.org>
List-Id: alsa-devel@alsa-project.org

Hi,

        ALSA can play only raw PCM data. It is not possible to play mp3 
file directly.
Use a decoder interface to decode the mp3 file and the send to ALSA.

Regards
Irfan

On 01/03/2012 05:53 PM, Ricardo Barbosa wrote:
> Hi all.
>
>
> I am new to development using the alsa API and follow the link code http://equalarea.com/paul/alsa-audio.html
>
> insert the following code.
>
>   FILE *fp;
>   fp = fopen("file.mp3", "r");
>   fclose(fp);
>
> and changed variable buf by the variable fp, but by running the file file.mp3 he does not play according to the way it interferes with the function snd_pcm_writei ? someone could help me in developing this playback, I thank
>
> Regards.
> _______________________________________________
> Alsa-devel mailing list
> Alsa-devel@alsa-project.org
> http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
>