From: Lyon Wang <lyon.wang@freescale.com>
Date: Wed, 21 Oct 2015 16:35:43 +0800
Subject: [PATCH] taglist not send to down stream if all the frame corrupted

https://bugzilla.gnome.org/show_bug.cgi?id=737246

Upstream status: Pending

Signed-off-by: Jian Li <lj.qfy.sh@gmail.com>
Signed-off-by: Lyon Wang <lyon.wang@freescale.com>
---
 gst-libs/gst/audio/gstaudiodecoder.c | 9 +++++++++
 gst-libs/gst/video/gstvideodecoder.c | 8 ++++++++
 2 files changed, 17 insertions(+)

diff --git a/gst-libs/gst/audio/gstaudiodecoder.c b/gst-libs/gst/audio/gstaudiodecoder.c
index 8c43cbb74e33..cf73691c0d46 100644
--- a/gst-libs/gst/audio/gstaudiodecoder.c
+++ b/gst-libs/gst/audio/gstaudiodecoder.c
@@ -2279,6 +2279,15 @@ gst_audio_decoder_sink_eventfunc (GstAudioDecoder * dec, GstEvent * event)
             ("no valid frames found"));
       }
 
+      /* send taglist if no valid frame is decoded util EOS */
+      if (dec->priv->taglist && dec->priv->taglist_changed) {
+        GST_DEBUG_OBJECT (dec, "codec tag %" GST_PTR_FORMAT, dec->priv->taglist);
+        if (!gst_tag_list_is_empty (dec->priv->taglist))
+          gst_audio_decoder_push_event (dec,
+              gst_event_new_tag (gst_tag_list_ref (dec->priv->taglist)));
+        dec->priv->taglist_changed = FALSE;
+      }
+
       /* Forward EOS because no buffer or serialized event will come after
        * EOS and nothing could trigger another _finish_frame() call. */
       if (dec->priv->pending_events)
diff --git a/gst-libs/gst/video/gstvideodecoder.c b/gst-libs/gst/video/gstvideodecoder.c
index 068b25a681b3..5ba6238555f9 100644
--- a/gst-libs/gst/video/gstvideodecoder.c
+++ b/gst-libs/gst/video/gstvideodecoder.c
@@ -1176,6 +1176,14 @@ gst_video_decoder_sink_event_default (GstVideoDecoder * decoder,
        * parent class' ::sink_event() until a later time.
        */
       forward_immediate = TRUE;
+
+      /* send taglist if no valid frame is decoded util EOS */
+      if (decoder->priv->tags && decoder->priv->tags_changed) {
+        gst_video_decoder_push_event (decoder,
+            gst_event_new_tag (gst_tag_list_ref (decoder->priv->tags)));
+        decoder->priv->tags_changed = FALSE;
+      }
+
       break;
     }
     case GST_EVENT_GAP:
