[PATCH 3/5] winegstreamer: Continue polling if duration is unavailable.

[Anton Baskanov]

Signed-off-by: Anton Baskanov <baskanov at gmail.com>
---
 dlls/winegstreamer/wg_parser.c | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/dlls/winegstreamer/wg_parser.c b/dlls/winegstreamer/wg_parser.c
index 49823508568..98a53f69132 100644
--- a/dlls/winegstreamer/wg_parser.c
+++ b/dlls/winegstreamer/wg_parser.c
@@ -1575,7 +1575,21 @@ static HRESULT CDECL wg_parser_connect(struct wg_parser *parser, uint64_t file_s
                 }
                 break;
             }
-            pthread_cond_wait(&parser->init_cond, &parser->mutex);
+            /* Elements based on GstBaseParse send duration-changed before
+             * actually updating the duration in GStreamer versions prior
+             * to 1.17.1. See <gstreamer.git:d28e0b4147fe7073b2>. So after
+             * receiving duration-changed we have to continue polling until
+             * the query succeeds. */
+            if (parser->has_duration)
+            {
+                pthread_mutex_unlock(&parser->mutex);
+                g_usleep(10000);
+                pthread_mutex_lock(&parser->mutex);
+            }
+            else
+            {
+                pthread_cond_wait(&parser->init_cond, &parser->mutex);
+            }
         }
     }
 
-- 
2.25.1