videodecoder: allow using -1 for infinite tolerated errors

Allows using -1 to make videodecoder never post an error message
after decoding errors.

https://bugzilla.gnome.org/show_bug.cgi?id=711094

diff --git a/gst-libs/gst/video/gstvideodecoder.c b/gst-libs/gst/video/gstvideodecoder.c
index 4e69a76..a1a6ed6 100644 (file)
--- a/gst-libs/gst/video/gstvideodecoder.c
+++ b/gst-libs/gst/video/gstvideodecoder.c
@@ -3372,7 +3372,8 @@ _gst_video_decoder_error (GstVideoDecoder * dec, gint weight,
     GST_WARNING_OBJECT (dec, "error: %s", dbg);
   dec->priv->error_count += weight;
   dec->priv->discont = TRUE;
-  if (dec->priv->max_errors < dec->priv->error_count) {
+  if (dec->priv->max_errors >= 0 &&
+      dec->priv->error_count > dec->priv->max_errors) {
     gst_element_message_full (GST_ELEMENT (dec), GST_MESSAGE_ERROR,
         domain, code, txt, dbg, file, function, line);
     return GST_FLOW_ERROR;
@@ -3389,8 +3390,11 @@ _gst_video_decoder_error (GstVideoDecoder * dec, gint weight,
  * @num: max tolerated errors
  *
  * Sets numbers of tolerated decoder errors, where a tolerated one is then only
- * warned about, but more than tolerated will lead to fatal error.  Default
- * is set to GST_VIDEO_DECODER_MAX_ERRORS.
+ * warned about, but more than tolerated will lead to fatal error.  You can set
+ * -1 for never returning fatal errors. Default is set to
+ * GST_VIDEO_DECODER_MAX_ERRORS.
+ *
+ * The '-1' option was added in 1.4
  */
 void
 gst_video_decoder_set_max_errors (GstVideoDecoder * dec, gint num)