codecs: h265dec: Disable the POC order warning for negative POC.

There may be leading frames after the IRAP frames, which has negative
POC. This kind of frames are allowed and they will be displayed before
the IRAP frame. So the warning should not be triggered for them. Init
the last_output_poc to G_MININT32 can avoid this.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/2380>

diff --git a/gst-libs/gst/codecs/gsth265decoder.c b/gst-libs/gst/codecs/gsth265decoder.c
index 5541b2d..884a828 100644 (file)
--- a/gst-libs/gst/codecs/gsth265decoder.c
+++ b/gst-libs/gst/codecs/gsth265decoder.c
@@ -178,6 +178,8 @@ gst_h265_decoder_init (GstH265Decoder * self)
 
   self->priv = priv = gst_h265_decoder_get_instance_private (self);
 
+  priv->last_output_poc = G_MININT32;
+
   priv->ref_pic_list_tmp = g_array_sized_new (FALSE, TRUE,
       sizeof (GstH265Picture *), 32);
   priv->ref_pic_list0 = g_array_sized_new (FALSE, TRUE,
@@ -1507,7 +1509,7 @@ gst_h265_decoder_clear_dpb (GstH265Decoder * self, gboolean flush)
   }
 
   gst_h265_dpb_clear (priv->dpb);
-  priv->last_output_poc = 0;
+  priv->last_output_poc = G_MININT32;
 }
 
 static gboolean
@@ -1520,7 +1522,7 @@ gst_h265_decoder_drain_internal (GstH265Decoder * self)
     gst_h265_decoder_do_output_picture (self, picture);
 
   gst_h265_dpb_clear (priv->dpb);
-  priv->last_output_poc = 0;
+  priv->last_output_poc = G_MININT32;
 
   return TRUE;
 }
@@ -1558,7 +1560,7 @@ gst_h265_decoder_dpb_init (GstH265Decoder * self, const GstH265Slice * slice,
             "there are still %d pictures in the dpb, last output poc is %d",
             gst_h265_dpb_get_size (priv->dpb), priv->last_output_poc);
       } else {
-        priv->last_output_poc = 0;
+        priv->last_output_poc = G_MININT32;
       }
     }
   } else {