Re: [alsa-devel] Direct write (using mmap_bigin and commit)

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.