[client v5 3/4] streaming: Stop streaming if GStreamer silently drops every frame

[Francois Gouget <fgouget@xxxxxxxxxxxxxxx>]

Signed-off-by: Francois Gouget <fgouget@xxxxxxxxxxxxxxx>
---
 src/channel-display-gst.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/channel-display-gst.c b/src/channel-display-gst.c
index 5fb0b77..5ebfc53 100644
--- a/src/channel-display-gst.c
+++ b/src/channel-display-gst.c
@@ -446,6 +446,13 @@ static gboolean spice_gst_decoder_queue_frame(VideoDecoder *video_decoder,
         return TRUE;
     }
 
+    /* Verify that the pipeline is decoding the frames as expected */
+    g_mutex_lock(&decoder->queues_mutex);
+    if (g_queue_get_length(decoder->decoding_queue) > 25) {
+        spice_warning("GStreamer is not decoding the frames!");
+        free_pipeline(decoder);
+    }
+    g_mutex_unlock(&decoder->queues_mutex);
     if (decoder->pipeline == NULL) {
         /* An error occurred, causing the GStreamer pipeline to be freed */
         spice_warning("An error occurred, stopping the video stream");
-- 
2.10.1
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