LCOV - code coverage report
Current view: top level - libs/gst/check - gstconsistencychecker.c (source / functions) Hit Total Coverage
Test: GStreamer 0.10.32.1 Lines: 0 45 0.0 %
Date: 2011-03-25 Functions: 0 4 0.0 %
Branches: 0 42 0.0 %

           Branch data     Line data    Source code
       1                 :            : /* GStreamer
       2                 :            :  *
       3                 :            :  * unit testing helper lib
       4                 :            :  *
       5                 :            :  * Copyright (C) 2009 Edward Hervey <bilboed@bilboed.com>
       6                 :            :  *
       7                 :            :  * This library is free software; you can redistribute it and/or
       8                 :            :  * modify it under the terms of the GNU Library General Public
       9                 :            :  * License as published by the Free Software Foundation; either
      10                 :            :  * version 2 of the License, or (at your option) any later version.
      11                 :            :  *
      12                 :            :  * This library is distributed in the hope that it will be useful,
      13                 :            :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      14                 :            :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      15                 :            :  * Library General Public License for more details.
      16                 :            :  *
      17                 :            :  * You should have received a copy of the GNU Library General Public
      18                 :            :  * License along with this library; if not, write to the
      19                 :            :  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
      20                 :            :  * Boston, MA 02111-1307, USA.
      21                 :            :  */
      22                 :            : 
      23                 :            : /**
      24                 :            :  * SECTION:gstcheckconsistencychecker
      25                 :            :  * @short_description: Data flow consistency checker for GStreamer unit tests.
      26                 :            :  *
      27                 :            :  * These macros and functions are for internal use of the unit tests found
      28                 :            :  * inside the 'check' directories of various GStreamer packages.
      29                 :            :  *
      30                 :            :  * Since: 0.10.24
      31                 :            :  */
      32                 :            : 
      33                 :            : #include "gstconsistencychecker.h"
      34                 :            : 
      35                 :            : struct _GstStreamConsistency
      36                 :            : {
      37                 :            :   gboolean flushing;
      38                 :            :   gboolean newsegment;
      39                 :            :   gboolean eos;
      40                 :            :   gulong probeid;
      41                 :            :   GstPad *pad;
      42                 :            : };
      43                 :            : 
      44                 :            : static gboolean
      45                 :          0 : source_pad_data_cb (GstPad * pad, GstMiniObject * data,
      46                 :            :     GstStreamConsistency * consist)
      47                 :            : {
      48 [ #  # ][ #  # ]:          0 :   if (GST_IS_BUFFER (data)) {
         [ #  # ][ #  # ]
      49 [ #  # ][ #  # ]:          0 :     GST_DEBUG_OBJECT (pad, "Buffer %" GST_TIME_FORMAT,
         [ #  # ][ #  # ]
                 [ #  # ]
      50                 :            :         GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (GST_BUFFER (data))));
      51                 :            :     /* If an EOS went through, a buffer would be invalid */
      52                 :          0 :     fail_if (consist->eos, "Buffer received after EOS");
      53                 :            :     /* Buffers need to be preceded by a newsegment event */
      54                 :          0 :     fail_unless (consist->newsegment, "Buffer received without newsegment");
      55 [ #  # ][ #  # ]:          0 :   } else if (GST_IS_EVENT (data)) {
         [ #  # ][ #  # ]
      56                 :          0 :     GstEvent *event = (GstEvent *) data;
      57                 :            : 
      58         [ #  # ]:          0 :     GST_DEBUG_OBJECT (pad, "%s", GST_EVENT_TYPE_NAME (event));
      59   [ #  #  #  #  :          0 :     switch (GST_EVENT_TYPE (event)) {
                   #  # ]
      60                 :            :       case GST_EVENT_FLUSH_START:
      61                 :          0 :         consist->flushing = TRUE;
      62                 :          0 :         break;
      63                 :            :       case GST_EVENT_FLUSH_STOP:
      64                 :            :         /* Receiving a flush-stop is only valid after receiving a flush-start */
      65                 :          0 :         fail_unless (consist->flushing,
      66                 :            :             "Received a FLUSH_STOP without a FLUSH_START");
      67                 :          0 :         fail_if (consist->eos, "Received a FLUSH_STOP after an EOS");
      68                 :          0 :         consist->flushing = FALSE;
      69                 :          0 :         break;
      70                 :            :       case GST_EVENT_NEWSEGMENT:
      71                 :          0 :         consist->newsegment = TRUE;
      72                 :          0 :         consist->eos = FALSE;
      73                 :          0 :         break;
      74                 :            :       case GST_EVENT_EOS:
      75                 :            :         /* FIXME : not 100% sure about whether two eos in a row is valid */
      76                 :          0 :         fail_if (consist->eos, "Received EOS just after another EOS");
      77                 :          0 :         consist->eos = TRUE;
      78                 :          0 :         consist->newsegment = FALSE;
      79                 :          0 :         break;
      80                 :            :       case GST_EVENT_TAG:
      81         [ #  # ]:          0 :         GST_DEBUG_OBJECT (pad, "tag %" GST_PTR_FORMAT, event->structure);
      82                 :            :         /* fall through */
      83                 :            :       default:
      84 [ #  # ][ #  # ]:          0 :         if (GST_EVENT_IS_SERIALIZED (event) && GST_EVENT_IS_DOWNSTREAM (event)) {
      85                 :          0 :           fail_if (consist->eos, "Event received after EOS");
      86                 :          0 :           fail_unless (consist->newsegment, "Event received before newsegment");
      87                 :            :         }
      88                 :            :         /* FIXME : Figure out what to do for other events */
      89                 :          0 :         break;
      90                 :            :     }
      91                 :            :   }
      92                 :            : 
      93                 :          0 :   return TRUE;
      94                 :            : }
      95                 :            : 
      96                 :            : /**
      97                 :            :  * gst_consistency_checker_new:
      98                 :            :  * @pad: The #GstPad on which the dataflow will be checked.
      99                 :            :  *
     100                 :            :  * Sets up a data probe on the given pad which will raise assertions if the
     101                 :            :  * data flow is inconsistent.
     102                 :            :  *
     103                 :            :  * Currently only works for source pads.
     104                 :            :  *
     105                 :            :  * Returns: A #GstStreamConsistency structure used to track data flow.
     106                 :            :  *
     107                 :            :  * Since: 0.10.24
     108                 :            :  */
     109                 :            : 
     110                 :            : GstStreamConsistency *
     111                 :          0 : gst_consistency_checker_new (GstPad * pad)
     112                 :            : {
     113                 :            :   GstStreamConsistency *consist;
     114                 :            : 
     115         [ #  # ]:          0 :   g_return_val_if_fail (pad != NULL, NULL);
     116                 :            : 
     117                 :          0 :   consist = g_new0 (GstStreamConsistency, 1);
     118                 :          0 :   consist->pad = g_object_ref (pad);
     119                 :          0 :   consist->probeid =
     120                 :          0 :       gst_pad_add_data_probe (pad, (GCallback) source_pad_data_cb, consist);
     121                 :            : 
     122                 :          0 :   return consist;
     123                 :            : }
     124                 :            : 
     125                 :            : /**
     126                 :            :  * gst_consistency_checker_reset:
     127                 :            :  * @consist: The #GstStreamConsistency to reset.
     128                 :            :  *
     129                 :            :  * Reset the stream checker's internal variables.
     130                 :            :  *
     131                 :            :  * Since: 0.10.24
     132                 :            :  */
     133                 :            : 
     134                 :            : void
     135                 :          0 : gst_consistency_checker_reset (GstStreamConsistency * consist)
     136                 :            : {
     137                 :          0 :   consist->eos = FALSE;
     138                 :          0 :   consist->flushing = FALSE;
     139                 :          0 :   consist->newsegment = FALSE;
     140                 :          0 : }
     141                 :            : 
     142                 :            : /**
     143                 :            :  * gst_consistency_checker_free:
     144                 :            :  * @consist: The #GstStreamConsistency to free.
     145                 :            :  *
     146                 :            :  * Frees the allocated data and probe associated with @consist.
     147                 :            :  *
     148                 :            :  * Since: 0.10.24
     149                 :            :  */
     150                 :            : 
     151                 :            : void
     152                 :          0 : gst_consistency_checker_free (GstStreamConsistency * consist)
     153                 :            : {
     154                 :            :   /* Remove the data probe */
     155                 :          0 :   gst_pad_remove_data_probe (consist->pad, consist->probeid);
     156                 :          0 :   g_object_unref (consist->pad);
     157                 :          0 :   g_free (consist);
     158                 :          0 : }

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