pa_memchunk memchunk;
+ unsigned int page_size;
+
uint32_t frame_size;
uint32_t buffer_size;
unsigned int written_bytes, read_bytes;
static void do_read(struct userdata *u) {
pa_memchunk memchunk;
- int err, l;
+ int err;
+ size_t l;
ssize_t r;
assert(u);
err = ioctl(u->fd, I_NREAD, &l);
assert(err >= 0);
+ /* This is to make sure it fits in the memory pool. Also, a page
+ should be the most efficient transfer size. */
+ if (l > u->page_size)
+ l = u->page_size;
+
memchunk.memblock = pa_memblock_new(u->core->mempool, l);
assert(memchunk.memblock);
if ((r = pa_iochannel_read(u->io, memchunk.memblock->data, memchunk.memblock->length)) < 0) {
u->memchunk.memblock = NULL;
u->memchunk.length = 0;
+
+ /* We use this to get a reasonable chunk size */
+ u->page_size = sysconf(_SC_PAGESIZE);
+
u->frame_size = pa_frame_size(&ss);
u->buffer_size = buffer_size;