av1parse: let the parse continue when MISSING_OBU_REFERENCE error.

Some streams may have verbose OBUs before a valid sequence header. We
should let the parse continue rather than return a error.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1634>

diff --git a/subprojects/gst-plugins-bad/gst/videoparsers/gstav1parse.c b/subprojects/gst-plugins-bad/gst/videoparsers/gstav1parse.c
index 7ea3a94..1dfa5d4 100644 (file)
--- a/subprojects/gst-plugins-bad/gst/videoparsers/gstav1parse.c
+++ b/subprojects/gst-plugins-bad/gst/videoparsers/gstav1parse.c
@@ -1373,7 +1373,8 @@ gst_av1_parse_handle_obu_to_obu (GstBaseParse * parse,
 
   g_assert (consumed <= map_info.size);
 
-  if (res == GST_AV1_PARSER_BITSTREAM_ERROR) {
+  if (res == GST_AV1_PARSER_BITSTREAM_ERROR ||
+      res == GST_AV1_PARSER_MISSING_OBU_REFERENCE) {
     if (consumed) {
       *skipsize = consumed;
     } else {
@@ -1487,7 +1488,8 @@ again:
       break;
   }
 
-  if (res == GST_AV1_PARSER_BITSTREAM_ERROR) {
+  if (res == GST_AV1_PARSER_BITSTREAM_ERROR ||
+      res == GST_AV1_PARSER_MISSING_OBU_REFERENCE) {
     /* Discard the whole frame */
     *skipsize = map_info.size;
     GST_WARNING_OBJECT (parse, "Parse obu error, discard %d", *skipsize);
@@ -1609,7 +1611,8 @@ again:
     goto out;
   }
 
-  if (res == GST_AV1_PARSER_BITSTREAM_ERROR) {
+  if (res == GST_AV1_PARSER_BITSTREAM_ERROR ||
+      res == GST_AV1_PARSER_MISSING_OBU_REFERENCE) {
     *skipsize = map_info.size;
     GST_WARNING_OBJECT (parse, "Parse obu error, discard whole buffer %d.",
         *skipsize);