Hello Clemens, Thanks for your response. Just to clarify, the snd_pcm_format_set_silence() would simply *replace* the actual buffer read from snd_pcm_readi() to zeros(since my application is using signed 32 bit little endian format). There would be no delay induced in doing so. Correct? Regards, Ankhit On Wed, Jan 20, 2016 at 3:56 PM, Clemens Ladisch <clemens@xxxxxxxxxx> wrote: > Ankhit Vivekananda wrote: > > I have an application where in I need to silence the first few samples of > > the buffer that is read from snd_pcm_readi(). In order to do this, I call > > the snd_pcm_format_set_silence() providing the same buffer that the > > snd_pcm_readi() reads to. > > > > 1) By doing this, is there going to be a timing delay due to the use of > > snd_pcm_format_set_silence()? > > That function just modifies memory; it does not affect any PCM device. > > > 2) Is snd_pcm_format_set_silence() the correct function to achieve this > > goal or are there better methods? > > You already know your sample format; memset(0) might be simpler. > > > Regards, > Clemens > _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
