From: Vincent Penquerc'h <vincent.penquerch@collabora.co.uk>
Date: Mon, 15 Oct 2012 11:53:36 +0000 (+0100)
Subject: ducatimpeg2dec: add frame reordering
X-Git-Tag: glsdk-6_00_00_07~56
X-Git-Url: https://git.ti.com/gitweb?p=glsdk%2Fgst-plugin-ducati.git;a=commitdiff_plain;h=2676123cf454855f3fa60be887bb8fc00300ef7e;ds=sidebyside

ducatimpeg2dec: add frame reordering
---

diff --git a/src/gstducatimpeg2dec.c b/src/gstducatimpeg2dec.c
index f8ae4d6..faf367a 100644
--- a/src/gstducatimpeg2dec.c
+++ b/src/gstducatimpeg2dec.c
@@ -75,7 +75,7 @@ gst_ducati_mpeg2dec_allocate_params (GstDucatiVidDec * self, gint params_sz,
       sizeof (IVIDDEC3_OutArgs));
 
   if (ret)
-    self->params->displayDelay = IVIDDEC3_DISPLAY_DELAY_1;
+    self->params->displayDelay = IVIDDEC3_DECODE_ORDER;
 
   return ret;
 }
@@ -109,6 +109,36 @@ gst_ducati_mpeg2dec_push_input (GstDucatiVidDec * vdec, GstBuffer * buf)
   return NULL;
 }
 
+static gboolean
+gst_ducati_mpeg2dec_set_sink_caps (GstDucatiVidDec * self, GstCaps * caps)
+{
+  GstStructure *structure;
+  const gchar *profile;
+
+  GST_DEBUG_OBJECT (self, "set_sink_caps: %" GST_PTR_FORMAT, caps);
+
+  if (!GST_CALL_PARENT_WITH_DEFAULT (GST_DUCATIVIDDEC_CLASS, set_sink_caps,
+          (self, caps), TRUE))
+    return FALSE;
+
+  /* Simple profile does not have B frames */
+  structure = gst_caps_get_structure (caps, 0);
+  profile = gst_structure_get_string (structure, "profile");
+  if (!profile || strcmp (profile, "simple")) {
+    /* TODO: can a better bound be found from stream headers ? */
+    self->backlog_maxframes = MAX_BACKLOG_FRAMES;
+  }
+
+  return TRUE;
+}
+
+static GstFlowReturn
+gst_ducati_mpeg2dec_push_output (GstDucatiVidDec * self, GstBuffer * buf)
+{
+  GST_BUFFER_OFFSET_END (buf) = GST_BUFFER_TIMESTAMP (buf);
+  return parent_class->push_output (self, buf);
+}
+
 /* GObject vmethod implementations */
 
 static void
@@ -135,8 +165,9 @@ gst_ducati_mpeg2dec_class_init (GstDucatiMpeg2DecClass * klass)
       GST_DEBUG_FUNCPTR (gst_ducati_mpeg2dec_update_buffer_size);
   bclass->allocate_params =
       GST_DEBUG_FUNCPTR (gst_ducati_mpeg2dec_allocate_params);
-  bclass->push_input =
-      GST_DEBUG_FUNCPTR (gst_ducati_mpeg2dec_push_input);
+  bclass->push_input = GST_DEBUG_FUNCPTR (gst_ducati_mpeg2dec_push_input);
+  bclass->set_sink_caps = GST_DEBUG_FUNCPTR (gst_ducati_mpeg2dec_set_sink_caps);
+  bclass->push_output = GST_DEBUG_FUNCPTR (gst_ducati_mpeg2dec_push_output);
 }
 
 static void