From 2f2c17a1b5ab7621b8e85a9ecc0a16728fe58ccc Mon Sep 17 00:00:00 2001
From: =?utf8?q?Sebastian=20Dr=C3=B6ge?= <sebastian.droege@collabora.co.uk>
Date: Thu, 20 Oct 2011 14:32:40 +0200
Subject: [PATCH] omxvideodec: Fix deadlock if ::reset is called before finding
 the corresponding frame of a decoded buffer

---
 omx/gstomxvideodec.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/omx/gstomxvideodec.c b/omx/gstomxvideodec.c
index 3e63a84..8788f64 100644
--- a/omx/gstomxvideodec.c
+++ b/omx/gstomxvideodec.c
@@ -390,6 +390,15 @@ _find_nearest_frame (GstOMXVideoDec * self, GstOMXBuffer * buf)
   guint64 best_diff = G_MAXUINT64;
   BufferIdentification *best_id = NULL;
 
+  /* This prevents a deadlock between the srcpad stream
+   * lock and the videocodec stream lock, if ::reset()
+   * is called at the wrong time
+   */
+  if (gst_omx_port_is_flushing (self->out_port)) {
+    GST_DEBUG_OBJECT (self, "Flushing -- returning NULL");
+    return NULL;
+  }
+
   GST_BASE_VIDEO_CODEC_STREAM_LOCK (self);
   for (l = GST_BASE_VIDEO_CODEC (self)->frames; l; l = l->next) {
     GstVideoFrame *tmp = l->data;
-- 
2.7.4