+ int ret, len;
+ int fast_retries = 5;
+
+ len = 0;
+ while (len < size_min) {
+ ret = transfer_func(h, buf+len, size-len);
+ if (ret == AVERROR(EINTR))
+ continue;
+ if (h->flags & AVIO_FLAG_NONBLOCK)
+ return ret;
+ if (ret == AVERROR(EAGAIN)) {
+ ret = 0;
+ if (fast_retries)
+ fast_retries--;
+ else
+ av_usleep(1000);
+ } else if (ret < 1)
+ return ret < 0 ? ret : len;
+ if (ret)
+ fast_retries = FFMAX(fast_retries, 2);
+ len += ret;
+ if (ff_check_interrupt(&h->interrupt_callback))
+ return AVERROR_EXIT;
+ }
+ return len;
+}
+
+int ffurl_read(URLContext *h, unsigned char *buf, int size)
+{
+ if (!(h->flags & AVIO_FLAG_READ))
+ return AVERROR(EIO);
+ return retry_transfer_wrapper(h, buf, size, 1, h->prot->url_read);
+}
+
+int ffurl_read_complete(URLContext *h, unsigned char *buf, int size)
+{
+ if (!(h->flags & AVIO_FLAG_READ))
+ return AVERROR(EIO);
+ return retry_transfer_wrapper(h, buf, size, size, h->prot->url_read);
+}
+
+int ffurl_write(URLContext *h, const unsigned char *buf, int size)
+{
+ if (!(h->flags & AVIO_FLAG_WRITE))