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 Mixer |
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* Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net> |
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* |
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* mixertrack.c: mixer track object design |
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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 "mixertrack.h" |
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#if 0 |
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enum |
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{ |
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/* FILL ME */ |
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SIGNAL_VOLUME_CHANGED, |
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SIGNAL_RECORD_TOGGLED, |
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SIGNAL_MUTE_TOGGLED, |
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LAST_SIGNAL |
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}; |
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static guint signals[LAST_SIGNAL] = { 0 }; |
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#endif |
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enum |
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{ |
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ARG_0, |
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ARG_LABEL, |
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ARG_UNTRANSLATED_LABEL, |
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ARG_INDEX, |
0
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ARG_MIN_VOLUME, |
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ARG_MAX_VOLUME, |
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ARG_FLAGS, |
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ARG_NUM_CHANNELS |
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}; |
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static void gst_mixer_track_class_init (GstMixerTrackClass * klass); |
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static void gst_mixer_track_init (GstMixerTrack * mixer); |
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static void gst_mixer_track_dispose (GObject * object); |
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static void gst_mixer_track_get_property (GObject * object, guint prop_id, |
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GValue * value, GParamSpec * pspec); |
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static void gst_mixer_track_set_property (GObject * object, guint prop_id, |
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const GValue * value, GParamSpec * pspec); |
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static GObjectClass *parent_class = NULL; |
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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_mixer_track_get_type (void) |
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{ |
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static GType gst_mixer_track_type = 0; |
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if (!gst_mixer_track_type) { |
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static const GTypeInfo mixer_track_info = { |
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sizeof (GstMixerTrackClass), |
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NULL, |
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NULL, |
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(GClassInitFunc) gst_mixer_track_class_init, |
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NULL, |
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NULL, |
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sizeof (GstMixerTrack), |
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0, |
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(GInstanceInitFunc) gst_mixer_track_init, |
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NULL |
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}; |
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gst_mixer_track_type = |
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g_type_register_static (G_TYPE_OBJECT, |
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"GstMixerTrack", &mixer_track_info, 0); |
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} |
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return gst_mixer_track_type; |
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} |
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static void |
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gst_mixer_track_class_init (GstMixerTrackClass * klass) |
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{ |
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GObjectClass *object_klass = G_OBJECT_CLASS (klass); |
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parent_class = g_type_class_peek_parent (klass); |
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object_klass->get_property = gst_mixer_track_get_property; |
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object_klass->set_property = gst_mixer_track_set_property; |
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g_object_class_install_property (object_klass, ARG_LABEL, |
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g_param_spec_string ("label", "Track label", |
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"The label assigned to the track (may be translated)", NULL, |
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106 |
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS)); |
0
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107 |
|
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108 |
/** |
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109 |
* GstMixerTrack:untranslated-label |
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110 |
* |
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111 |
* The untranslated label of the mixer track, if available. Mixer track |
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* implementations must set this at construct time. Applications may find |
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* this useful to determine icons for various kind of tracks. However, |
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* applications mustn't make any assumptions about the naming of tracks, |
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* the untranslated labels are purely informational and may change. |
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116 |
* |
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* Since: 0.10.13 |
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118 |
**/ |
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g_object_class_install_property (object_klass, ARG_UNTRANSLATED_LABEL, |
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g_param_spec_string ("untranslated-label", "Untranslated track label", |
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"The untranslated label assigned to the track (since 0.10.13)", |
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NULL, |
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G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS)); |
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124 |
|
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125 |
/** |
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* GstMixerTrack:index |
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127 |
* |
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* Index of the mixer track, if available. Mixer track implementations |
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* must set this at construct time. This can be used to discern between |
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* multiple tracks with identical labels. |
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131 |
* |
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* Since: 0.10.21 |
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*/ |
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g_object_class_install_property (object_klass, ARG_INDEX, |
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g_param_spec_uint ("index", "Index", |
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"Track index", 0, G_MAXUINT, |
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0, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY)); |
0
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138 |
|
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g_object_class_install_property (object_klass, ARG_MIN_VOLUME, |
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g_param_spec_int ("min-volume", "Minimum volume level", |
0
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"The minimum possible volume level", G_MININT, G_MAXINT, |
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0, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS)); |
0
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143 |
|
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g_object_class_install_property (object_klass, ARG_MAX_VOLUME, |
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g_param_spec_int ("max-volume", "Maximum volume level", |
0
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"The maximum possible volume level", G_MININT, G_MAXINT, |
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0, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS)); |
0
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148 |
|
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g_object_class_install_property (object_klass, ARG_FLAGS, |
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g_param_spec_uint ("flags", "Flags", |
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"Flags indicating the type of mixer track", |
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0, G_MAXUINT, 0, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS)); |
0
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153 |
|
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g_object_class_install_property (object_klass, ARG_NUM_CHANNELS, |
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g_param_spec_int ("num-channels", "Number of channels", |
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"The number of channels contained within the track", |
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0, G_MAXINT, 0, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS)); |
0
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158 |
|
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#if 0 |
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signals[SIGNAL_RECORD_TOGGLED] = |
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g_signal_new ("record_toggled", G_TYPE_FROM_CLASS (klass), |
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G_SIGNAL_RUN_LAST, |
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G_STRUCT_OFFSET (GstMixerTrackClass, |
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record_toggled), |
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NULL, NULL, g_cclosure_marshal_VOID__BOOLEAN, |
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G_TYPE_NONE, 1, G_TYPE_BOOLEAN); |
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signals[SIGNAL_MUTE_TOGGLED] = |
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g_signal_new ("mute_toggled", G_TYPE_FROM_CLASS (klass), |
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G_SIGNAL_RUN_LAST, |
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G_STRUCT_OFFSET (GstMixerTrackClass, |
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mute_toggled), |
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NULL, NULL, g_cclosure_marshal_VOID__BOOLEAN, |
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G_TYPE_NONE, 1, G_TYPE_BOOLEAN); |
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signals[SIGNAL_VOLUME_CHANGED] = |
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g_signal_new ("volume_changed", G_TYPE_FROM_CLASS (klass), |
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G_SIGNAL_RUN_LAST, |
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G_STRUCT_OFFSET (GstMixerTrackClass, |
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volume_changed), |
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NULL, NULL, g_cclosure_marshal_VOID__POINTER, |
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G_TYPE_NONE, 1, G_TYPE_POINTER); |
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#endif |
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182 |
|
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object_klass->dispose = gst_mixer_track_dispose; |
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} |
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185 |
|
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static void |
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gst_mixer_track_init (GstMixerTrack * mixer_track) |
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{ |
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mixer_track->label = NULL; |
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mixer_track->min_volume = mixer_track->max_volume = 0; |
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mixer_track->flags = 0; |
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mixer_track->num_channels = 0; |
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} |
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194 |
|
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/* FIXME 0.11: move these as members into the mixer track structure */ |
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#define MIXER_TRACK_OBJECT_DATA_KEY_UNTRANSLATED_LABEL "gst-mixer-track-ulabel" |
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#define MIXER_TRACK_OBJECT_DATA_KEY_INDEX "index" |
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198 |
|
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static void |
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gst_mixer_track_get_property (GObject * object, guint prop_id, GValue * value, |
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GParamSpec * pspec) |
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202 |
{ |
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GstMixerTrack *mixer_track; |
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204 |
|
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mixer_track = GST_MIXER_TRACK (object); |
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|
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switch (prop_id) { |
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case ARG_LABEL: |
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g_value_set_string (value, mixer_track->label); |
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break; |
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case ARG_UNTRANSLATED_LABEL: |
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g_value_set_string (value, |
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(const gchar *) g_object_get_data (G_OBJECT (mixer_track), |
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MIXER_TRACK_OBJECT_DATA_KEY_UNTRANSLATED_LABEL)); |
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break; |
29
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case ARG_INDEX: |
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g_value_set_uint (value, |
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GPOINTER_TO_INT (g_object_get_data (G_OBJECT (mixer_track), |
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MIXER_TRACK_OBJECT_DATA_KEY_INDEX))); |
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break; |
0
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case ARG_MIN_VOLUME: |
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g_value_set_int (value, mixer_track->min_volume); |
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break; |
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case ARG_MAX_VOLUME: |
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g_value_set_int (value, mixer_track->max_volume); |
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break; |
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case ARG_FLAGS: |
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g_value_set_uint (value, (guint32) mixer_track->flags); |
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break; |
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case ARG_NUM_CHANNELS: |
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g_value_set_int (value, mixer_track->num_channels); |
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break; |
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default: |
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); |
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break; |
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} |
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} |
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|
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static void |
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gst_mixer_track_set_property (GObject * object, guint prop_id, |
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const GValue * value, GParamSpec * pspec) |
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{ |
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GstMixerTrack *mixer_track; |
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|
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|
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mixer_track = GST_MIXER_TRACK (object); |
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|
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|
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switch (prop_id) { |
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case ARG_UNTRANSLATED_LABEL: |
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g_object_set_data_full (G_OBJECT (mixer_track), |
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MIXER_TRACK_OBJECT_DATA_KEY_UNTRANSLATED_LABEL, |
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g_value_dup_string (value), (GDestroyNotify) g_free); |
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break; |
29
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|
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case ARG_INDEX: |
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g_object_set_data (G_OBJECT (mixer_track), |
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MIXER_TRACK_OBJECT_DATA_KEY_INDEX, |
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|
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GINT_TO_POINTER (g_value_get_uint (value))); |
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|
257 |
break; |
0
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default: |
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|
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); |
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|
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break; |
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|
261 |
} |
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|
262 |
} |
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|
263 |
|
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Revision: 200949
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|
264 |
static void |
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|
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gst_mixer_track_dispose (GObject * object) |
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|
266 |
{ |
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|
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GstMixerTrack *channel = GST_MIXER_TRACK (object); |
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|
268 |
|
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|
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if (channel->label) { |
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|
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g_free (channel->label); |
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|
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channel->label = NULL; |
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|
272 |
} |
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|
273 |
|
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Revision: 200949
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|
274 |
if (parent_class->dispose) |
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|
275 |
parent_class->dispose (object); |
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|
276 |
} |