author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 31 Aug 2010 15:30:33 +0300 | |
branch | RCL_3 |
changeset 29 | 567bb019e3e3 |
parent 0 | 0e761a78d257 |
child 30 | 7e817e7e631c |
permissions | -rw-r--r-- |
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/* GStreamer Tuner |
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* Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net> |
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* |
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* tuner.c: tuner design virtual class function wrappers |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Library General Public |
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* License as published by the Free Software Foundation; either |
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* version 2 of the License, or (at your option) any later version. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Library General Public License for more details. |
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* |
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* You should have received a copy of the GNU Library General Public |
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* License along with this library; if not, write to the |
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
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* Boston, MA 02111-1307, USA. |
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*/ |
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|
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#ifdef HAVE_CONFIG_H |
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#include "config.h" |
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#endif |
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#include "tuner.h" |
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#include "interfaces-marshal.h" |
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#include <string.h> |
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/** |
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* SECTION:gsttuner |
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* @short_description: Interface for elements providing tuner operations |
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* |
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* <refsect2> |
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* <para> |
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* The GstTuner interface is provided by elements that have the ability to |
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* tune into multiple input signals, for example TV or radio capture cards. |
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* </para><para> |
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* The interpretation of 'tuning into' an input stream depends on the element |
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* implementing the interface. For v4lsrc, it might imply selection of an |
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* input source and/or frequency to be configured on a TV card. Another |
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* GstTuner implementation might be to allow selection of an active input pad |
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* from multiple input pads. |
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* </para><para> |
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* That said, the GstTuner interface functions are biased toward the |
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* TV capture scenario. |
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* </para><para> |
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* The general parameters provided are for configuration are: |
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* <itemizedlist> |
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* <listitem>Selection of a current #GstTunerChannel. The current channel |
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* represents the input source (e.g. Composite, S-Video etc for TV capture). |
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* </listitem> |
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* <listitem>The #GstTunerNorm for the channel. The norm chooses the |
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* interpretation of the incoming signal for the current channel. For example, |
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* PAL or NTSC, or more specific variants there-of. |
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* </listitem> |
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* <listitem>Channel frequency. If the current channel has the ability to tune |
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* between multiple frequencies (if it has the GST_TUNER_CHANNEL_FREQUENCY flag) |
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* then the frequency can be changed/ |
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#ifdef __SYMBIAN32__ |
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EXPORT_C |
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#endif |
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retrieved via the |
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* gst_tuner_set_frequency() and gst_tuner_get_frequency() methods. |
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* </listitem> |
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* </itemizedlist> |
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* </para> |
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* <para> |
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* Where applicable, the signal strength can be retrieved and/or monitored |
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* via a signal. |
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* </para> |
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* </refsect2> |
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*/ |
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enum |
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{ |
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NORM_CHANGED, |
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CHANNEL_CHANGED, |
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FREQUENCY_CHANGED, |
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SIGNAL_CHANGED, |
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LAST_SIGNAL |
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}; |
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static void gst_tuner_class_init (GstTunerClass * klass); |
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static guint gst_tuner_signals[LAST_SIGNAL] = { 0 }; |
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#ifdef __SYMBIAN32__ |
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EXPORT_C |
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#endif |
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GType |
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gst_tuner_get_type (void) |
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{ |
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static GType gst_tuner_type = 0; |
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if (!gst_tuner_type) { |
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static const GTypeInfo gst_tuner_info = { |
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sizeof (GstTunerClass), |
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(GBaseInitFunc) gst_tuner_class_init, |
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NULL, |
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103 |
NULL, |
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NULL, |
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105 |
NULL, |
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106 |
0, |
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107 |
0, |
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108 |
NULL, |
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}; |
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110 |
|
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gst_tuner_type = g_type_register_static (G_TYPE_INTERFACE, |
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"GstTuner", &gst_tuner_info, 0); |
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g_type_interface_add_prerequisite (gst_tuner_type, |
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GST_TYPE_IMPLEMENTS_INTERFACE); |
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} |
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116 |
|
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return gst_tuner_type; |
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} |
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119 |
|
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static void |
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gst_tuner_class_init (GstTunerClass * klass) |
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122 |
{ |
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static gboolean initialized = FALSE; |
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124 |
|
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if (!initialized) { |
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/** |
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* GstTuner::norm-changed: |
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* @tuner: The element providing the GstTuner interface |
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* @norm: The new configured norm. |
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* |
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* Reports that the current #GstTunerNorm has changed. |
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*/ |
0
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gst_tuner_signals[NORM_CHANGED] = |
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g_signal_new ("norm-changed", |
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GST_TYPE_TUNER, G_SIGNAL_RUN_LAST, |
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G_STRUCT_OFFSET (GstTunerClass, norm_changed), |
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NULL, NULL, |
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g_cclosure_marshal_VOID__OBJECT, G_TYPE_NONE, 1, GST_TYPE_TUNER_NORM); |
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/** |
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* GstTuner::channel-changed: |
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* @tuner: The element providing the GstTuner interface |
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* @channel: The new configured channel. |
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* |
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* Reports that the current #GstTunerChannel has changed. |
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*/ |
0
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gst_tuner_signals[CHANNEL_CHANGED] = |
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g_signal_new ("channel-changed", |
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GST_TYPE_TUNER, G_SIGNAL_RUN_LAST, |
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G_STRUCT_OFFSET (GstTunerClass, channel_changed), |
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NULL, NULL, |
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g_cclosure_marshal_VOID__OBJECT, G_TYPE_NONE, 1, |
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GST_TYPE_TUNER_CHANNEL); |
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/** |
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* GstTuner::frequency-changed: |
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* @tuner: The element providing the GstTuner interface |
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* @frequency: The new frequency (an unsigned long) |
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* |
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* Reports that the current frequency has changed. |
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*/ |
0
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gst_tuner_signals[FREQUENCY_CHANGED] = |
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g_signal_new ("frequency-changed", |
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GST_TYPE_TUNER, G_SIGNAL_RUN_LAST, |
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G_STRUCT_OFFSET (GstTunerClass, frequency_changed), |
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NULL, NULL, |
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gst_interfaces_marshal_VOID__OBJECT_ULONG, G_TYPE_NONE, 2, |
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GST_TYPE_TUNER_CHANNEL, G_TYPE_ULONG); |
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/** |
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* GstTuner::signal-changed: |
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* @tuner: The element providing the GstTuner interface |
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* @channel: The current #GstTunerChannel |
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* @signal: The new signal strength (an integer) |
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* |
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* Reports that the signal strength has changed. |
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* |
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* See Also: gst_tuner_signal_strength() |
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*/ |
0
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gst_tuner_signals[SIGNAL_CHANGED] = |
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g_signal_new ("signal-changed", |
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GST_TYPE_TUNER, G_SIGNAL_RUN_LAST, |
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G_STRUCT_OFFSET (GstTunerClass, signal_changed), |
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NULL, NULL, |
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gst_interfaces_marshal_VOID__OBJECT_INT, G_TYPE_NONE, 2, |
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GST_TYPE_TUNER_CHANNEL, G_TYPE_INT); |
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184 |
|
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initialized = TRUE; |
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} |
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187 |
|
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/* default virtual functions */ |
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klass->list_channels = NULL; |
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klass->set_channel = NULL; |
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klass->get_channel = NULL; |
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192 |
|
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klass->list_norms = NULL; |
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klass->set_norm = NULL; |
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klass->get_norm = NULL; |
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196 |
|
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klass->set_frequency = NULL; |
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klass->get_frequency = NULL; |
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klass->signal_strength = NULL; |
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} |
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201 |
|
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/** |
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* gst_tuner_list_channels: |
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* @tuner: the #GstTuner (a #GstElement) to get the channels from. |
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* |
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* Retrieve a #GList of #GstTunerChannels available |
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* (e.g. 'composite', 's-video', ...) from the given tuner object. |
0
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208 |
* |
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* Returns: A list of channels available on this tuner. The list is |
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* owned by the GstTuner and must not be freed. |
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211 |
*/ |
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#ifdef __SYMBIAN32__ |
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213 |
EXPORT_C |
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#endif |
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215 |
|
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const GList * |
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gst_tuner_list_channels (GstTuner * tuner) |
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218 |
{ |
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GstTunerClass *klass; |
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220 |
|
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g_return_val_if_fail (GST_IS_TUNER (tuner), NULL); |
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222 |
|
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klass = GST_TUNER_GET_CLASS (tuner); |
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if (klass->list_channels) { |
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return klass->list_channels (tuner); |
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} |
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227 |
|
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return NULL; |
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} |
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230 |
|
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231 |
/** |
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* gst_tuner_set_channel: |
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* @tuner: the #GstTuner (a #GstElement) that owns the channel. |
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* @channel: the channel to tune to. |
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235 |
* |
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* Tunes the object to the given channel. |
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*/ |
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#ifdef __SYMBIAN32__ |
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239 |
EXPORT_C |
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#endif |
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241 |
|
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242 |
|
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void |
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gst_tuner_set_channel (GstTuner * tuner, GstTunerChannel * channel) |
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245 |
{ |
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GstTunerClass *klass; |
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247 |
|
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g_return_if_fail (GST_IS_TUNER (tuner)); |
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|
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klass = GST_TUNER_GET_CLASS (tuner); |
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if (klass->set_channel) { |
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klass->set_channel (tuner, channel); |
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} |
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} |
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255 |
|
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/** |
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* gst_tuner_get_channel: |
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* @tuner: the #GstTuner (a #GstElement) to get the current channel from. |
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* |
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* Retrieve the current channel from the tuner. |
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* |
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* Returns: the current channel of the tuner object. |
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*/ |
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#ifdef __SYMBIAN32__ |
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265 |
EXPORT_C |
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#endif |
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267 |
|
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268 |
|
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GstTunerChannel * |
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gst_tuner_get_channel (GstTuner * tuner) |
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271 |
{ |
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GstTunerClass *klass; |
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273 |
|
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g_return_val_if_fail (GST_IS_TUNER (tuner), NULL); |
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|
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klass = GST_TUNER_GET_CLASS (tuner); |
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if (klass->get_channel) { |
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return klass->get_channel (tuner); |
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} |
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|
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return NULL; |
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} |
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283 |
|
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/** |
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* gst_tuner_list_norms: |
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* @tuner: the #GstTuner (*a #GstElement) to get the list of norms from. |
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* |
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* Retrieve a GList of available #GstTunerNorm settings for the currently |
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* tuned channel on the given tuner object. |
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290 |
* |
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* Returns: A list of norms available on the current channel for this |
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* tuner object. The list is owned by the GstTuner and must not |
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* be freed. |
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*/ |
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#ifdef __SYMBIAN32__ |
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296 |
EXPORT_C |
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#endif |
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|
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299 |
|
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const GList * |
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gst_tuner_list_norms (GstTuner * tuner) |
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302 |
{ |
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GstTunerClass *klass; |
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304 |
|
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g_return_val_if_fail (GST_IS_TUNER (tuner), NULL); |
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|
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|
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klass = GST_TUNER_GET_CLASS (tuner); |
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changeset
|
308 |
if (klass->list_norms) { |
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diff
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|
309 |
return klass->list_norms (tuner); |
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diff
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|
310 |
} |
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diff
changeset
|
311 |
|
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|
312 |
return NULL; |
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diff
changeset
|
313 |
} |
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parents:
diff
changeset
|
314 |
|
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parents:
diff
changeset
|
315 |
/** |
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parents:
diff
changeset
|
316 |
* gst_tuner_set_norm: |
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parents:
diff
changeset
|
317 |
* @tuner: the #GstTuner (a #GstElement) to set the norm on. |
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diff
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|
318 |
* @norm: the norm to use for the current channel. |
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diff
changeset
|
319 |
* |
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parents:
diff
changeset
|
320 |
* Changes the video norm on this tuner to the given norm. |
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parents:
diff
changeset
|
321 |
*/ |
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Revision: 200949
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parents:
diff
changeset
|
322 |
#ifdef __SYMBIAN32__ |
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diff
changeset
|
323 |
EXPORT_C |
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diff
changeset
|
324 |
#endif |
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parents:
diff
changeset
|
325 |
|
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parents:
diff
changeset
|
326 |
|
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diff
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|
327 |
void |
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diff
changeset
|
328 |
gst_tuner_set_norm (GstTuner * tuner, GstTunerNorm * norm) |
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parents:
diff
changeset
|
329 |
{ |
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parents:
diff
changeset
|
330 |
GstTunerClass *klass; |
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parents:
diff
changeset
|
331 |
|
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diff
changeset
|
332 |
g_return_if_fail (GST_IS_TUNER (tuner)); |
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parents:
diff
changeset
|
333 |
|
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parents:
diff
changeset
|
334 |
klass = GST_TUNER_GET_CLASS (tuner); |
0e761a78d257
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parents:
diff
changeset
|
335 |
if (klass->set_norm) { |
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Revision: 200949
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parents:
diff
changeset
|
336 |
klass->set_norm (tuner, norm); |
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parents:
diff
changeset
|
337 |
} |
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parents:
diff
changeset
|
338 |
} |
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parents:
diff
changeset
|
339 |
|
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diff
changeset
|
340 |
/** |
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parents:
diff
changeset
|
341 |
* gst_tuner_get_norm: |
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parents:
diff
changeset
|
342 |
* @tuner: the #GstTuner (a #GstElement) to get the current norm from. |
0e761a78d257
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parents:
diff
changeset
|
343 |
* |
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parents:
diff
changeset
|
344 |
* Get the current video norm from the given tuner object for the |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
345 |
* currently selected channel. |
0e761a78d257
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parents:
diff
changeset
|
346 |
* |
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parents:
diff
changeset
|
347 |
* Returns: the current norm. |
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parents:
diff
changeset
|
348 |
*/ |
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Revision: 200949
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parents:
diff
changeset
|
349 |
#ifdef __SYMBIAN32__ |
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diff
changeset
|
350 |
EXPORT_C |
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parents:
diff
changeset
|
351 |
#endif |
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parents:
diff
changeset
|
352 |
|
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Revision: 200949
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parents:
diff
changeset
|
353 |
|
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Revision: 200949
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diff
changeset
|
354 |
GstTunerNorm * |
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parents:
diff
changeset
|
355 |
gst_tuner_get_norm (GstTuner * tuner) |
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parents:
diff
changeset
|
356 |
{ |
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parents:
diff
changeset
|
357 |
GstTunerClass *klass; |
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parents:
diff
changeset
|
358 |
|
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Revision: 200949
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parents:
diff
changeset
|
359 |
g_return_val_if_fail (GST_IS_TUNER (tuner), NULL); |
0e761a78d257
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parents:
diff
changeset
|
360 |
|
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Revision: 200949
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parents:
diff
changeset
|
361 |
klass = GST_TUNER_GET_CLASS (tuner); |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
362 |
if (klass->get_norm) { |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
363 |
return klass->get_norm (tuner); |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
364 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
365 |
|
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
366 |
return NULL; |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
367 |
} |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
368 |
|
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
369 |
/** |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
370 |
* gst_tuner_set_frequency: |
29
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
371 |
* @tuner: The #Gsttuner (a #GstElement) that owns the given channel. |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
372 |
* @channel: The #GstTunerChannel to set the frequency on. |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
373 |
* @frequency: The frequency to tune in to. |
0
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
374 |
* |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
375 |
* Sets a tuning frequency on the given tuner/channel. Note that this |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
376 |
* requires the given channel to be a "tuning" channel, which can be |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
377 |
* checked using GST_TUNER_CHANNEL_HAS_FLAG (), with the proper flag |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
378 |
* being GST_TUNER_CHANNEL_FREQUENCY. |
29
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
379 |
* |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
380 |
* The frequency is in Hz, with minimum steps indicated by the |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
381 |
* frequency_multiplicator provided in the #GstTunerChannel. The |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
382 |
* valid range is provided in the min_frequency and max_frequency properties |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
383 |
* of the #GstTunerChannel. |
0
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
384 |
*/ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
385 |
#ifdef __SYMBIAN32__ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
386 |
EXPORT_C |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
387 |
#endif |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
388 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
389 |
void |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
390 |
gst_tuner_set_frequency (GstTuner * tuner, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
391 |
GstTunerChannel * channel, gulong frequency) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
392 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
393 |
GstTunerClass *klass; |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
394 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
395 |
g_return_if_fail (GST_IS_TUNER (tuner)); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
396 |
g_return_if_fail (GST_IS_TUNER_CHANNEL (channel)); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
397 |
g_return_if_fail (GST_TUNER_CHANNEL_HAS_FLAG (channel, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
398 |
GST_TUNER_CHANNEL_FREQUENCY)); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
399 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
400 |
klass = GST_TUNER_GET_CLASS (tuner); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
401 |
if (klass->set_frequency) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
402 |
klass->set_frequency (tuner, channel, frequency); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
403 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
404 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
405 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
406 |
/** |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
407 |
* gst_tuner_get_frequency: |
29
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
408 |
* @tuner: The #GstTuner (a #GstElement) that owns the given channel. |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
409 |
* @channel: The #GstTunerChannel to retrieve the frequency from. |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
410 |
* |
29
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
411 |
* Retrieve the current frequency from the given channel. As for |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
412 |
* gst_tuner_set_frequency(), the #GstTunerChannel must support frequency |
567bb019e3e3
Revision: 201010
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parents:
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diff
changeset
|
413 |
* operations, as indicated by the GST_TUNER_CHANNEL_FREQUENCY flag. |
0
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diff
changeset
|
414 |
* |
29
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|
415 |
* Returns: The current frequency, or 0 on error. |
0
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parents:
diff
changeset
|
416 |
*/ |
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Revision: 200949
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parents:
diff
changeset
|
417 |
#ifdef __SYMBIAN32__ |
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parents:
diff
changeset
|
418 |
EXPORT_C |
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parents:
diff
changeset
|
419 |
#endif |
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parents:
diff
changeset
|
420 |
|
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parents:
diff
changeset
|
421 |
|
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Revision: 200949
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parents:
diff
changeset
|
422 |
gulong |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
423 |
gst_tuner_get_frequency (GstTuner * tuner, GstTunerChannel * channel) |
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parents:
diff
changeset
|
424 |
{ |
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Revision: 200949
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parents:
diff
changeset
|
425 |
GstTunerClass *klass; |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
426 |
|
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Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
427 |
g_return_val_if_fail (GST_IS_TUNER (tuner), 0); |
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parents:
diff
changeset
|
428 |
g_return_val_if_fail (GST_IS_TUNER_CHANNEL (channel), 0); |
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Revision: 200949
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parents:
diff
changeset
|
429 |
g_return_val_if_fail (GST_TUNER_CHANNEL_HAS_FLAG (channel, |
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Revision: 200949
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parents:
diff
changeset
|
430 |
GST_TUNER_CHANNEL_FREQUENCY), 0); |
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parents:
diff
changeset
|
431 |
|
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parents:
diff
changeset
|
432 |
klass = GST_TUNER_GET_CLASS (tuner); |
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parents:
diff
changeset
|
433 |
|
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parents:
diff
changeset
|
434 |
if (klass->get_frequency) { |
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parents:
diff
changeset
|
435 |
return klass->get_frequency (tuner, channel); |
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parents:
diff
changeset
|
436 |
} |
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parents:
diff
changeset
|
437 |
|
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|
438 |
return 0; |
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parents:
diff
changeset
|
439 |
} |
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parents:
diff
changeset
|
440 |
|
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Revision: 200949
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parents:
diff
changeset
|
441 |
/** |
29
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diff
changeset
|
442 |
* gst_tuner_signal_strength: |
0
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parents:
diff
changeset
|
443 |
* @tuner: the #GstTuner (a #GstElement) that owns the given channel. |
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parents:
diff
changeset
|
444 |
* @channel: the #GstTunerChannel to get the signal strength from. |
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Revision: 200949
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parents:
diff
changeset
|
445 |
* |
29
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parents:
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diff
changeset
|
446 |
* Get the strength of the signal on this channel. Note that this |
567bb019e3e3
Revision: 201010
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parents:
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diff
changeset
|
447 |
* requires the current channel to be a "tuning" channel, i.e. a |
0
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parents:
diff
changeset
|
448 |
* channel on which frequency can be set. This can be checked using |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
449 |
* GST_TUNER_CHANNEL_HAS_FLAG (), and the appropriate flag to check |
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Revision: 200949
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parents:
diff
changeset
|
450 |
* for is GST_TUNER_CHANNEL_FREQUENCY. |
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parents:
diff
changeset
|
451 |
* |
29
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parents:
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diff
changeset
|
452 |
* The valid range of the signal strength is indicated in the |
567bb019e3e3
Revision: 201010
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parents:
0
diff
changeset
|
453 |
* min_signal and max_signal properties of the #GstTunerChannel. |
567bb019e3e3
Revision: 201010
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parents:
0
diff
changeset
|
454 |
* |
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parents:
0
diff
changeset
|
455 |
* Returns: Signal strength, or 0 on error. |
0
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Revision: 200949
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parents:
diff
changeset
|
456 |
*/ |
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Revision: 200949
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parents:
diff
changeset
|
457 |
#ifdef __SYMBIAN32__ |
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|
458 |
EXPORT_C |
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diff
changeset
|
459 |
#endif |
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parents:
diff
changeset
|
460 |
|
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Revision: 200949
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parents:
diff
changeset
|
461 |
gint |
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Revision: 200949
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parents:
diff
changeset
|
462 |
gst_tuner_signal_strength (GstTuner * tuner, GstTunerChannel * channel) |
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parents:
diff
changeset
|
463 |
{ |
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Revision: 200949
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parents:
diff
changeset
|
464 |
GstTunerClass *klass; |
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parents:
diff
changeset
|
465 |
|
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Revision: 200949
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parents:
diff
changeset
|
466 |
g_return_val_if_fail (GST_IS_TUNER (tuner), 0); |
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Revision: 200949
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parents:
diff
changeset
|
467 |
g_return_val_if_fail (GST_IS_TUNER_CHANNEL (channel), 0); |
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Revision: 200949
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parents:
diff
changeset
|
468 |
g_return_val_if_fail (GST_TUNER_CHANNEL_HAS_FLAG (channel, |
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Revision: 200949
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parents:
diff
changeset
|
469 |
GST_TUNER_CHANNEL_FREQUENCY), 0); |
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parents:
diff
changeset
|
470 |
|
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Revision: 200949
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parents:
diff
changeset
|
471 |
klass = GST_TUNER_GET_CLASS (tuner); |
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Revision: 200949
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parents:
diff
changeset
|
472 |
if (klass->signal_strength) { |
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Revision: 200949
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parents:
diff
changeset
|
473 |
return klass->signal_strength (tuner, channel); |
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Revision: 200949
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parents:
diff
changeset
|
474 |
} |
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Revision: 200949
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parents:
diff
changeset
|
475 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
476 |
return 0; |
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Revision: 200949
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parents:
diff
changeset
|
477 |
} |
29
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parents:
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diff
changeset
|
478 |
|
567bb019e3e3
Revision: 201010
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parents:
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diff
changeset
|
479 |
/** |
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Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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diff
changeset
|
480 |
* gst_tuner_find_norm_by_name: |
567bb019e3e3
Revision: 201010
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parents:
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diff
changeset
|
481 |
* @tuner: A #GstTuner instance |
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Revision: 201010
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parents:
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diff
changeset
|
482 |
* @norm: A string containing the name of a #GstTunerNorm |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
483 |
* |
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Revision: 201010
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parents:
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diff
changeset
|
484 |
* Look up a #GstTunerNorm by name. |
567bb019e3e3
Revision: 201010
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parents:
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diff
changeset
|
485 |
* |
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Revision: 201010
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parents:
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diff
changeset
|
486 |
* Returns: A #GstTunerNorm, or NULL if no norm with the provided name |
567bb019e3e3
Revision: 201010
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parents:
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diff
changeset
|
487 |
* is available. |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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diff
changeset
|
488 |
*/ |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
489 |
#ifdef __SYMBIAN32__ |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
490 |
EXPORT_C |
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Revision: 200949
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parents:
diff
changeset
|
491 |
#endif |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
492 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
493 |
GstTunerNorm * |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
494 |
gst_tuner_find_norm_by_name (GstTuner * tuner, gchar * norm) |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
495 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
496 |
GList *walk; |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
497 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
498 |
g_return_val_if_fail (GST_IS_TUNER (tuner), NULL); |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
499 |
g_return_val_if_fail (norm != NULL, NULL); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
500 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
501 |
walk = (GList *) gst_tuner_list_norms (tuner); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
502 |
while (walk) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
503 |
if (strcmp (GST_TUNER_NORM (walk->data)->label, norm) == 0) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
504 |
return GST_TUNER_NORM (walk->data); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
505 |
walk = g_list_next (walk); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
506 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
507 |
return NULL; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
508 |
} |
29
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Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
509 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
510 |
/** |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
511 |
* gst_tuner_find_channel_by_name: |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
512 |
* @tuner: A #GstTuner instance |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
513 |
* @channel: A string containing the name of a #GstTunerChannel |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
514 |
* |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
515 |
* Look up a #GstTunerChannel by name. |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
516 |
* |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
517 |
* Returns: A #GstTunerChannel, or NULL if no channel with the provided name |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
518 |
* is available. |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
519 |
*/ |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
520 |
#ifdef __SYMBIAN32__ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
521 |
EXPORT_C |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
522 |
#endif |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
523 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
524 |
GstTunerChannel * |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
525 |
gst_tuner_find_channel_by_name (GstTuner * tuner, gchar * channel) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
526 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
527 |
GList *walk; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
528 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
529 |
g_return_val_if_fail (GST_IS_TUNER (tuner), NULL); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
530 |
g_return_val_if_fail (channel != NULL, NULL); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
531 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
532 |
walk = (GList *) gst_tuner_list_channels (tuner); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
533 |
while (walk) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
534 |
if (strcmp (GST_TUNER_CHANNEL (walk->data)->label, channel) == 0) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
535 |
return GST_TUNER_CHANNEL (walk->data); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
536 |
walk = g_list_next (walk); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
537 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
538 |
return NULL; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
539 |
} |
29
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
540 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
541 |
/** |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
542 |
* gst_tuner_channel_changed: |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
543 |
* @tuner: A #GstTuner instance |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
544 |
* @channel: A #GstTunerChannel instance |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
545 |
* |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
546 |
* Called by elements implementing the #GstTuner interface when the |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
547 |
* current channel changes. Fires the #GstTuner::channel-changed signal. |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
548 |
*/ |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
549 |
#ifdef __SYMBIAN32__ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
550 |
EXPORT_C |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
551 |
#endif |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
552 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
553 |
void |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
554 |
gst_tuner_channel_changed (GstTuner * tuner, GstTunerChannel * channel) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
555 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
556 |
g_return_if_fail (GST_IS_TUNER (tuner)); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
557 |
g_return_if_fail (GST_IS_TUNER_CHANNEL (channel)); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
558 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
559 |
g_signal_emit (G_OBJECT (tuner), |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
560 |
gst_tuner_signals[CHANNEL_CHANGED], 0, channel); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
561 |
} |
29
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
562 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
563 |
/** |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
564 |
* gst_tuner_norm_changed: |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
565 |
* @tuner: A #GstTuner instance |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
566 |
* @norm: A #GstTunerNorm instance |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
567 |
* |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
568 |
* Called by elements implementing the #GstTuner interface when the |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
569 |
* current norm changes. Fires the #GstTuner::norm-changed signal. |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
570 |
* |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
571 |
*/ |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
572 |
#ifdef __SYMBIAN32__ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
573 |
EXPORT_C |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
574 |
#endif |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
575 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
576 |
void |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
577 |
gst_tuner_norm_changed (GstTuner * tuner, GstTunerNorm * norm) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
578 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
579 |
g_return_if_fail (GST_IS_TUNER (tuner)); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
580 |
g_return_if_fail (GST_IS_TUNER_NORM (norm)); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
581 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
582 |
g_signal_emit (G_OBJECT (tuner), gst_tuner_signals[NORM_CHANGED], 0, norm); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
583 |
} |
29
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
584 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
585 |
/** |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
586 |
* gst_tuner_frequency_changed: |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
587 |
* @tuner: A #GstTuner instance |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
588 |
* @channel: The current #GstTunerChannel |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
589 |
* @frequency: The new frequency setting |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
590 |
* |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
591 |
* Called by elements implementing the #GstTuner interface when the |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
592 |
* configured frequency changes. Fires the #GstTuner::frequency-changed |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
593 |
* signal on the tuner, and the #GstTunerChannel::frequency-changed signal |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
594 |
* on the channel. |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
595 |
*/ |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
596 |
#ifdef __SYMBIAN32__ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
597 |
EXPORT_C |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
598 |
#endif |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
599 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
600 |
void |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
601 |
gst_tuner_frequency_changed (GstTuner * tuner, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
602 |
GstTunerChannel * channel, gulong frequency) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
603 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
604 |
g_return_if_fail (GST_IS_TUNER (tuner)); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
605 |
g_return_if_fail (GST_IS_TUNER_CHANNEL (channel)); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
606 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
607 |
g_signal_emit (G_OBJECT (tuner), |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
608 |
gst_tuner_signals[FREQUENCY_CHANGED], 0, channel, frequency); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
609 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
610 |
g_signal_emit_by_name (G_OBJECT (channel), "frequency_changed", frequency); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
611 |
} |
29
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
612 |
|
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
613 |
/** |
567bb019e3e3
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
614 |
* gst_tuner_signal_changed: |
567bb019e3e3
Revision: 201010
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* @tuner: A #GstTuner instance |
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* @channel: The current #GstTunerChannel |
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* @signal: The new signal strength |
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* |
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* Called by elements implementing the #GstTuner interface when the |
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* incoming signal strength changes. Fires the #GstTuner::signal-changed |
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Revision: 201010
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* signal on the tuner and the #GstTunerChannel::signal-changed signal on |
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* the channel. |
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*/ |
0
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#ifdef __SYMBIAN32__ |
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EXPORT_C |
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#endif |
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|
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void |
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gst_tuner_signal_changed (GstTuner * tuner, |
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GstTunerChannel * channel, gint signal) |
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{ |
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g_return_if_fail (GST_IS_TUNER (tuner)); |
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g_return_if_fail (GST_IS_TUNER_CHANNEL (channel)); |
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|
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g_signal_emit (G_OBJECT (tuner), |
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gst_tuner_signals[SIGNAL_CHANGED], 0, channel, signal); |
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|
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g_signal_emit_by_name (G_OBJECT (channel), "signal_changed", signal); |
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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} |