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List:       gstreamer-cvs
Subject:    gst-plugins-ugly: mpeg2dec: post QoS messages when dropping a frame
From:       tpm () kemper ! freedesktop ! org (Tim Müller)
Date:       2011-09-30 13:28:56
Message-ID: 20110930132856.5B0DA10009 () kemper ! freedesktop ! org
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Module: gst-plugins-ugly
Branch: master
Commit: 2cb398d20dd85b206b1ef5f67de704f090fe5b5b
URL:    http://cgit.freedesktop.org/gstreamer/gst-plugins-ugly/commit/?id=2cb398d20dd85b206b1ef5f67de704f090fe5b5b


Author: Vincent Penquerc'h <vincent.penquerch@collabora.co.uk>
Date:   Mon Sep  5 11:11:52 2011 +0100

mpeg2dec: post QoS messages when dropping a frame due to QoS

https://bugzilla.gnome.org/show_bug.cgi?id=658241

---

 ext/mpeg2dec/gstmpeg2dec.c |   27 ++++++++++++++++++++++++++-
 ext/mpeg2dec/gstmpeg2dec.h |    2 ++
 2 files changed, 28 insertions(+), 1 deletions(-)

diff --git a/ext/mpeg2dec/gstmpeg2dec.c b/ext/mpeg2dec/gstmpeg2dec.c
index 4e03c69..833c8e4 100644
--- a/ext/mpeg2dec/gstmpeg2dec.c
+++ b/ext/mpeg2dec/gstmpeg2dec.c
@@ -284,6 +284,8 @@ gst_mpeg2dec_qos_reset (GstMpeg2dec * mpeg2dec)
   GST_OBJECT_LOCK (mpeg2dec);
   mpeg2dec->proportion = 1.0;
   mpeg2dec->earliest_time = -1;
+  mpeg2dec->dropped = 0;
+  mpeg2dec->processed = 0;
   GST_OBJECT_UNLOCK (mpeg2dec);
 }
 
@@ -918,10 +920,33 @@ handle_slice (GstMpeg2dec * mpeg2dec, const mpeg2_info_t * \
info)  && qostime <= mpeg2dec->earliest_time;
     GST_OBJECT_UNLOCK (mpeg2dec);
 
-    if (need_skip)
+    if (need_skip) {
+      GstMessage *qos_msg;
+      guint64 stream_time;
+      gint64 jitter;
+
+      mpeg2dec->dropped++;
+
+      stream_time =
+          gst_segment_to_stream_time (&mpeg2dec->segment, GST_FORMAT_TIME,
+          time);
+      jitter = GST_CLOCK_DIFF (qostime, mpeg2dec->earliest_time);
+
+      qos_msg =
+          gst_message_new_qos (GST_OBJECT_CAST (mpeg2dec), FALSE, qostime,
+          stream_time, time, GST_BUFFER_DURATION (outbuf));
+      gst_message_set_qos_values (qos_msg, jitter, mpeg2dec->proportion,
+          1000000);
+      gst_message_set_qos_stats (qos_msg, GST_FORMAT_BUFFERS,
+          mpeg2dec->processed, mpeg2dec->dropped);
+      gst_element_post_message (GST_ELEMENT_CAST (mpeg2dec), qos_msg);
+
       goto dropping_qos;
+    }
   }
 
+  mpeg2dec->processed++;
+
   /* ref before pushing it out, so we still have the ref in our
    * array of buffers */
   gst_buffer_ref (outbuf);
diff --git a/ext/mpeg2dec/gstmpeg2dec.h b/ext/mpeg2dec/gstmpeg2dec.h
index 43ba42d..69f4fe3 100644
--- a/ext/mpeg2dec/gstmpeg2dec.h
+++ b/ext/mpeg2dec/gstmpeg2dec.h
@@ -110,6 +110,8 @@ struct _GstMpeg2dec {
   /* QoS stuff */ /* with LOCK*/
   gdouble        proportion;
   GstClockTime   earliest_time;
+  guint64        processed;
+  guint64        dropped;
 
   /* gather/decode queues for reverse playback */
   GList *gather;

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