- assert(r <= (ssize_t) memchunk.memblock->length);
- memchunk.length = memchunk.memblock->length = r;
- memchunk.index = 0;
+ if (u->use_getispace) {
+ audio_buf_info info;
+
+ if (ioctl(u->fd, SNDCTL_DSP_GETISPACE, &info) < 0)
+ u->use_getispace = 0;
+ else {
+ if (info.bytes/l > 0) {
+ l = (info.bytes/l)*l;
+ loop = 1;
+ }
+ }
+ }
+
+ do {
+ memchunk.memblock = pa_memblock_new(l, u->core->memblock_stat);
+ assert(memchunk.memblock);
+ if ((r = pa_iochannel_read(u->io, memchunk.memblock->data, memchunk.memblock->length)) < 0) {
+ pa_memblock_unref(memchunk.memblock);
+ if (errno != EAGAIN)
+ pa_log(__FILE__": read() failed: %s\n", strerror(errno));
+ break;
+ }
+
+ assert(r <= (ssize_t) memchunk.memblock->length);
+ memchunk.length = memchunk.memblock->length = r;
+ memchunk.index = 0;
+
+ pa_source_post(u->source, &memchunk);
+ pa_memblock_unref(memchunk.memblock);