[alsa-devel] question application playback

Irfan shaikh irfan.shaikh at sasken.com
Tue Jan 3 13:30:53 CET 2012


        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.


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.
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