Throttle back the reception of cover art for large files -- seems to work on a Pi Zero W

2018-01-17 14:45:18 +00:00
parent 866c06240e
commit 27a3f02459
1 changed files with 2 additions and 1 deletions
@@ -551,7 +551,7 @@ static enum rtsp_read_request_response rtsp_read_request(rtsp_conn_info *conn,
      get_absolute_time_in_fp() + ((uint64_t)5 << 32); // i.e. five seconds from now
  int warning_message_sent = 0;

-  const size_t max_read_chunk = 50000;
+  const size_t max_read_chunk = 1024*1024/16;
  while (inbuf < msg_size) {

    // we are going to read the stream in chunks and time how long it takes to
@@ -586,6 +586,7 @@ static enum rtsp_read_request_response rtsp_read_request(rtsp_conn_info *conn,
    ssize_t read_chunk = msg_size - inbuf;
    if (read_chunk > max_read_chunk)
      read_chunk = max_read_chunk;
+    usleep(30000); // wait about 30 milliseconds between reads of up to about 64 kB
    nread = read(conn->fd, buf + inbuf, read_chunk);
    if (!nread) {
      reply = rtsp_read_request_response_error;