From 00400a838ba82533310a2ad9744c7f61072f297b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Louis-Francis=20Ratt=C3=A9-Boulianne?=
 <louis-francis.ratte-boulianne@collabora.co.uk>
Date: Tue, 19 Feb 2013 13:17:53 -0500
Subject: [PATCH] mssdemux: avoid streaming to fail when download is cancelled

When download was failing repeatedly, it was causing streaming to fail even though it was cancelled on purpose (stopping tasks).
---
 ext/smoothstreaming/gstmssdemux.c | 13 +++++++++++++
 ext/smoothstreaming/gstmssdemux.h |  1 +
 2 files changed, 14 insertions(+)

diff --git a/ext/smoothstreaming/gstmssdemux.c b/ext/smoothstreaming/gstmssdemux.c
index bc6ad7025e..41ab253aa2 100644
--- a/ext/smoothstreaming/gstmssdemux.c
+++ b/ext/smoothstreaming/gstmssdemux.c
@@ -520,6 +520,7 @@ gst_mss_demux_stop_tasks (GstMssDemux * mssdemux, gboolean immediate)
 
     gst_data_queue_set_flushing (stream->dataqueue, TRUE);
 
+    stream->cancelled = TRUE;
     if (immediate)
       gst_uri_downloader_cancel (stream->downloader);
     gst_task_pause (stream->download_task);
@@ -529,6 +530,8 @@ gst_mss_demux_stop_tasks (GstMssDemux * mssdemux, gboolean immediate)
   for (iter = mssdemux->streams; iter; iter = g_slist_next (iter)) {
     GstMssDemuxStream *stream = iter->data;
     g_static_rec_mutex_lock (&stream->download_lock);
+    stream->cancelled = FALSE;
+    stream->download_error_count = 0;
   }
   g_static_rec_mutex_lock (&mssdemux->stream_lock);
 }
@@ -1110,6 +1113,10 @@ gst_mss_demux_download_loop (GstMssDemuxStream * stream)
   GST_OBJECT_UNLOCK (mssdemux);
 
   ret = gst_mss_demux_stream_download_fragment (stream, &buffer);
+
+  if (stream->cancelled)
+    goto cancelled;
+
   switch (ret) {
     case GST_FLOW_OK:
       break;                    /* all is good, let's go */
@@ -1148,6 +1155,12 @@ error:
     }
     return;
   }
+cancelled:
+  {
+    GST_DEBUG_OBJECT (mssdemux, "Stream %p has been cancelled", stream);
+    gst_task_pause (stream->download_task);
+    return;
+  }
 }
 
 static GstFlowReturn
diff --git a/ext/smoothstreaming/gstmssdemux.h b/ext/smoothstreaming/gstmssdemux.h
index 0b8eec8045..061f1d1601 100644
--- a/ext/smoothstreaming/gstmssdemux.h
+++ b/ext/smoothstreaming/gstmssdemux.h
@@ -74,6 +74,7 @@ struct _GstMssDemuxStream {
 
   gboolean eos;
   gboolean have_data;
+  gboolean cancelled;
 
   GstDownloadRate download_rate;