LCOV - code coverage report
Current view: top level - gst-plugins-base/gst-libs/gst/interfaces - tunerchannel.c (source / functions) Hit Total Coverage
Test: GStreamer Lines: 28 28 100.0 %
Date: 2011-03-25 Functions: 4 4 100.0 %
Branches: 4 6 66.7 %

           Branch data     Line data    Source code
       1                 :            : /* GStreamer Tuner
       2                 :            :  * Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
       3                 :            :  *
       4                 :            :  * tunerchannel.c: tuner channel object design
       5                 :            :  *
       6                 :            :  * This library is free software; you can redistribute it and/or
       7                 :            :  * modify it under the terms of the GNU Library General Public
       8                 :            :  * License as published by the Free Software Foundation; either
       9                 :            :  * version 2 of the License, or (at your option) any later version.
      10                 :            :  *
      11                 :            :  * This library is distributed in the hope that it will be useful,
      12                 :            :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      13                 :            :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      14                 :            :  * Library General Public License for more details.
      15                 :            :  *
      16                 :            :  * You should have received a copy of the GNU Library General Public
      17                 :            :  * License along with this library; if not, write to the
      18                 :            :  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
      19                 :            :  * Boston, MA 02111-1307, USA.
      20                 :            :  */
      21                 :            : 
      22                 :            : #ifdef HAVE_CONFIG_H
      23                 :            : #include "config.h"
      24                 :            : #endif
      25                 :            : 
      26                 :            : #include "tunerchannel.h"
      27                 :            : 
      28                 :            : /**
      29                 :            :  * SECTION:gsttunerchannel
      30                 :            :  * @short_description: A channel from an element implementing the #GstTuner
      31                 :            :  * interface.
      32                 :            :  *
      33                 :            :  * <refsect2>
      34                 :            :  * <para>The #GstTunerChannel object is provided by an element implementing
      35                 :            :  * the #GstTuner interface.
      36                 :            :  * </para>
      37                 :            :  * <para>
      38                 :            :  * GstTunerChannel provides a name and flags to determine the type and
      39                 :            :  * capabilities of the channel. If the GST_TUNER_CHANNEL_FREQUENCY flag is
      40                 :            :  * set, then the channel also information about the minimum and maximum
      41                 :            :  * frequency, and range of the reported signal strength.
      42                 :            :  * </para>
      43                 :            :  * </refsect2>
      44                 :            :  */
      45                 :            : 
      46                 :            : enum
      47                 :            : {
      48                 :            :   /* FILL ME */
      49                 :            :   SIGNAL_FREQUENCY_CHANGED,
      50                 :            :   SIGNAL_SIGNAL_CHANGED,
      51                 :            :   LAST_SIGNAL
      52                 :            : };
      53                 :            : 
      54                 :            : static void gst_tuner_channel_class_init (GstTunerChannelClass * klass);
      55                 :            : static void gst_tuner_channel_init (GstTunerChannel * channel);
      56                 :            : static void gst_tuner_channel_dispose (GObject * object);
      57                 :            : 
      58                 :            : static GObjectClass *parent_class = NULL;
      59                 :            : static guint signals[LAST_SIGNAL] = { 0 };
      60                 :            : 
      61                 :            : GType
      62                 :         34 : gst_tuner_channel_get_type (void)
      63                 :            : {
      64                 :            :   static GType gst_tuner_channel_type = 0;
      65                 :            : 
      66         [ +  + ]:         34 :   if (!gst_tuner_channel_type) {
      67                 :            :     static const GTypeInfo tuner_channel_info = {
      68                 :            :       sizeof (GstTunerChannelClass),
      69                 :            :       NULL,
      70                 :            :       NULL,
      71                 :            :       (GClassInitFunc) gst_tuner_channel_class_init,
      72                 :            :       NULL,
      73                 :            :       NULL,
      74                 :            :       sizeof (GstTunerChannel),
      75                 :            :       0,
      76                 :            :       (GInstanceInitFunc) gst_tuner_channel_init,
      77                 :            :       NULL
      78                 :            :     };
      79                 :            : 
      80                 :          9 :     gst_tuner_channel_type =
      81                 :          9 :         g_type_register_static (G_TYPE_OBJECT,
      82                 :            :         "GstTunerChannel", &tuner_channel_info, 0);
      83                 :            :   }
      84                 :            : 
      85                 :         34 :   return gst_tuner_channel_type;
      86                 :            : }
      87                 :            : 
      88                 :            : static void
      89                 :          3 : gst_tuner_channel_class_init (GstTunerChannelClass * klass)
      90                 :            : {
      91                 :          3 :   GObjectClass *object_klass = (GObjectClass *) klass;
      92                 :            : 
      93                 :          3 :   parent_class = g_type_class_peek_parent (klass);
      94                 :            : 
      95                 :            :   /**
      96                 :            :    * GstTunerChannel::frequency-changed:
      97                 :            :    * @tunerchannel: The #GstTunerChannel
      98                 :            :    * @frequency: The new frequency (an unsigned long)
      99                 :            :    *
     100                 :            :    * Reports that the current frequency has changed.
     101                 :            :    */
     102                 :          3 :   signals[SIGNAL_FREQUENCY_CHANGED] =
     103                 :          3 :       g_signal_new ("frequency-changed", G_TYPE_FROM_CLASS (klass),
     104                 :            :       G_SIGNAL_RUN_LAST,
     105                 :            :       G_STRUCT_OFFSET (GstTunerChannelClass,
     106                 :            :           frequency_changed),
     107                 :            :       NULL, NULL, g_cclosure_marshal_VOID__ULONG, G_TYPE_NONE, 1, G_TYPE_ULONG);
     108                 :            :   /**
     109                 :            :    * GstTunerChannel::signal-changed:
     110                 :            :    * @tunerchannel: The #GstTunerChannel
     111                 :            :    * @signal: The new signal strength (an integer)
     112                 :            :    *
     113                 :            :    * Reports that the signal strength has changed.
     114                 :            :    *
     115                 :            :    * See Also: gst_tuner_signal_strength()
     116                 :            :    */
     117                 :          3 :   signals[SIGNAL_SIGNAL_CHANGED] =
     118                 :          3 :       g_signal_new ("signal-changed", G_TYPE_FROM_CLASS (klass),
     119                 :            :       G_SIGNAL_RUN_LAST,
     120                 :            :       G_STRUCT_OFFSET (GstTunerChannelClass,
     121                 :            :           signal_changed),
     122                 :            :       NULL, NULL, g_cclosure_marshal_VOID__INT, G_TYPE_NONE, 1, G_TYPE_INT);
     123                 :            : 
     124                 :          3 :   object_klass->dispose = gst_tuner_channel_dispose;
     125                 :          3 : }
     126                 :            : 
     127                 :            : static void
     128                 :          3 : gst_tuner_channel_init (GstTunerChannel * channel)
     129                 :            : {
     130                 :          3 :   channel->label = NULL;
     131                 :          3 :   channel->flags = 0;
     132                 :          3 :   channel->min_frequency = channel->max_frequency = 0;
     133                 :          3 :   channel->min_signal = channel->max_signal = 0;
     134                 :          3 : }
     135                 :            : 
     136                 :            : static void
     137                 :          3 : gst_tuner_channel_dispose (GObject * object)
     138                 :            : {
     139                 :          3 :   GstTunerChannel *channel = GST_TUNER_CHANNEL (object);
     140                 :            : 
     141         [ +  - ]:          3 :   if (channel->label) {
     142                 :          3 :     g_free (channel->label);
     143                 :          3 :     channel->label = NULL;
     144                 :            :   }
     145                 :            : 
     146         [ +  - ]:          3 :   if (parent_class->dispose)
     147                 :          3 :     parent_class->dispose (object);
     148                 :          3 : }

Generated by: LCOV version 1.9