[2070] | 1 | //roarmixer.c: |
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| 2 | /* GStreamer |
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| 3 | * Copyright (C) <2005> Arwed v. Merkatz <v.merkatz@gmx.net> |
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| 4 | * Copyright (C) <2008> Philipp 'ph3-der-loewe' Schafft |
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| 5 | * Copyright (C) <2009> Philipp 'ph3-der-loewe' Schafft |
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| 6 | * <lion@lion.leolix.org> |
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| 7 | * |
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| 8 | * roarmixer.h: an RoarAudio audio mixer |
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| 9 | * |
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| 10 | * This library is free software; you can redistribute it and/or |
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| 11 | * modify it under the terms of the GNU Library General Public |
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| 12 | * License as published by the Free Software Foundation; either |
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| 13 | * version 2 of the License, or (at your option) any later version. |
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| 14 | * |
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| 15 | * This library is distributed in the hope that it will be useful, |
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| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 18 | * Library General Public License for more details. |
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| 19 | * |
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| 20 | * You should have received a copy of the GNU Library General Public |
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| 21 | * License along with this library; if not, write to the |
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| 22 | * Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
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| 23 | * Boston, MA 02111-1307, USA. |
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| 24 | */ |
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| 25 | |
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| 26 | |
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| 27 | #include "roarmixer.h" |
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| 28 | |
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[2073] | 29 | GST_DEBUG_CATEGORY_EXTERN (roar_debug); |
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| 30 | #define GST_CAT_DEFAULT roar_debug |
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| 31 | |
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| 32 | enum |
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| 33 | { |
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| 34 | PROP_DEVICE_NAME = 1 |
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| 35 | }; |
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| 36 | |
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| 37 | |
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| 38 | static const GstElementDetails gst_roar_mixer_element_details = |
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| 39 | GST_ELEMENT_DETAILS ("RoarAudio Mixer", |
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| 40 | "Generic/Audio", |
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| 41 | "Control sound input and output levels with RoarAudio", |
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| 42 | "Philipp 'ph3-der-loewe' Schafft <lion@lion.leolix.org>"); |
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| 43 | |
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| 44 | GST_BOILERPLATE_WITH_INTERFACE (GstRoarMixerElement, gst_roar_mixer_element, |
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| 45 | GstElement, GST_TYPE_ELEMENT, GstMixer, GST_TYPE_MIXER, |
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| 46 | gst_roar_mixer_element); |
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| 47 | |
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| 48 | GST_IMPLEMENT_ROAR_MIXER_METHODS (GstRoarMixerElement, gst_roar_mixer_element); |
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| 49 | |
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| 50 | static GstStateChangeReturn gst_roar_mixer_element_change_state (GstElement * |
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| 51 | element, GstStateChange transition); |
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| 52 | |
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| 53 | static void gst_roar_mixer_element_get_property (GObject * object, |
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| 54 | guint prop_id, GValue * value, GParamSpec * pspec); |
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| 55 | |
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| 56 | static void |
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| 57 | gst_roar_mixer_element_base_init (gpointer klass) |
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| 58 | { |
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| 59 | gst_element_class_set_details (GST_ELEMENT_CLASS (klass), |
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| 60 | &gst_roar_mixer_element_details); |
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| 61 | } |
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| 62 | |
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| 63 | static void |
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| 64 | gst_roar_mixer_element_class_init (GstRoarMixerElementClass * klass) |
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| 65 | { |
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| 66 | GstElementClass *element_class; |
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| 67 | GObjectClass *gobject_class; |
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| 68 | |
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| 69 | element_class = (GstElementClass *) klass; |
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| 70 | gobject_class = (GObjectClass *) klass; |
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| 71 | |
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| 72 | gobject_class->get_property = gst_roar_mixer_element_get_property; |
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| 73 | |
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| 74 | g_object_class_install_property (gobject_class, PROP_DEVICE_NAME, |
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| 75 | g_param_spec_string ("device-name", "Device name", |
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| 76 | "Human-readable name of the sound device", "", G_PARAM_READABLE)); |
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| 77 | |
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| 78 | element_class->change_state = |
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| 79 | GST_DEBUG_FUNCPTR (gst_roar_mixer_element_change_state); |
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| 80 | } |
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| 81 | |
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| 82 | static void |
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| 83 | gst_roar_mixer_element_init (GstRoarMixerElement * this, |
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| 84 | GstRoarMixerElementClass * g_class) |
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| 85 | { |
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| 86 | this->mixer = NULL; |
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| 87 | } |
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| 88 | |
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| 89 | static void |
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| 90 | gst_roar_mixer_element_get_property (GObject * object, guint prop_id, |
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| 91 | GValue * value, GParamSpec * pspec) |
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| 92 | { |
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| 93 | GstRoarMixerElement *this = GST_ROAR_MIXER_ELEMENT (object); |
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| 94 | |
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| 95 | switch (prop_id) { |
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| 96 | case PROP_DEVICE_NAME: |
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| 97 | if (this->mixer) { |
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| 98 | g_value_set_string (value, this->mixer->cardname); |
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| 99 | } else { |
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| 100 | g_value_set_string (value, NULL); |
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| 101 | } |
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| 102 | break; |
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| 103 | default: |
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| 104 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); |
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| 105 | break; |
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| 106 | } |
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| 107 | } |
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| 108 | |
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| 109 | static GstStateChangeReturn |
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| 110 | gst_roar_mixer_element_change_state (GstElement * element, |
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| 111 | GstStateChange transition) |
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| 112 | { |
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| 113 | GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS; |
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| 114 | GstRoarMixerElement *this = GST_ROAR_MIXER_ELEMENT (element); |
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| 115 | |
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| 116 | switch (transition) { |
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| 117 | case GST_STATE_CHANGE_NULL_TO_READY: |
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| 118 | if (!this->mixer) { |
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[2117] | 119 | this->mixer = gst_roarmixer_new(NULL, GST_ROAR_MIXER_ALL); |
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[2073] | 120 | } |
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| 121 | break; |
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| 122 | default: |
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| 123 | break; |
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| 124 | } |
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| 125 | |
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[2553] | 126 | ret = GST_ELEMENT_CLASS(parent_class)->change_state(element, transition); |
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[2073] | 127 | if (ret == GST_STATE_CHANGE_FAILURE) |
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| 128 | return ret; |
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| 129 | |
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| 130 | switch (transition) { |
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| 131 | case GST_STATE_CHANGE_READY_TO_NULL: |
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| 132 | if (this->mixer) { |
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[2553] | 133 | gst_roarmixer_free(this->mixer); |
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[2073] | 134 | this->mixer = NULL; |
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| 135 | } |
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| 136 | break; |
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| 137 | default: |
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| 138 | break; |
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| 139 | } |
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| 140 | |
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| 141 | return ret; |
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| 142 | } |
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| 143 | |
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| 144 | |
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| 145 | gboolean gst_roarmixer_factory_init (GstPlugin * plugin) { |
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| 146 | if (!gst_element_register(plugin, "roarmixer", GST_RANK_MARGINAL, |
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[2074] | 147 | GST_TYPE_ROAR_MIXER_ELEMENT)) |
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[2073] | 148 | return FALSE; |
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| 149 | |
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| 150 | return TRUE; |
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| 151 | } |
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| 152 | |
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[2076] | 153 | G_DEFINE_TYPE (GstRoarMixerTrack, gst_roarmixer_track, GST_TYPE_MIXER_TRACK); |
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| 154 | |
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[2070] | 155 | GstRoarMixer* gst_roarmixer_new (const gchar *device, |
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[2071] | 156 | GstRoarMixerDirection dir) { |
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| 157 | GstRoarMixer *ret = NULL; |
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| 158 | |
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[2076] | 159 | ROAR_WARN("gst_roarmixer_new(device='%s', dir=0x%.4x) = ?", device, dir); |
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| 160 | |
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[2071] | 161 | ret = g_new0(GstRoarMixer, 1); |
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| 162 | |
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| 163 | ret->device = g_strdup(device); |
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| 164 | ret->dir = dir; |
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[2074] | 165 | ret->cardname = g_strdup("RoarAudio Default Device"); |
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[2071] | 166 | |
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| 167 | /* |
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| 168 | if (!gst_ossmixer_open (ret)) |
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| 169 | goto error; |
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| 170 | */ |
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| 171 | |
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[2117] | 172 | if ( roar_simple_connect(&(ret->con), (char*)device, "gstroarmixer") == -1 ) |
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[2071] | 173 | goto error; |
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| 174 | |
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[2076] | 175 | ROAR_WARN("gst_roarmixer_new(device='%s', dir=0x%.4x) = %p", device, dir, ret); |
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[2071] | 176 | return ret; |
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| 177 | |
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| 178 | error: |
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| 179 | if (ret) |
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| 180 | gst_roarmixer_free (ret); |
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| 181 | |
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[2076] | 182 | ROAR_WARN("gst_roarmixer_new(device='%s', dir=0x%.4x) = NULL // Error?", device, dir); |
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[2071] | 183 | return NULL; |
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| 184 | } |
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[2070] | 185 | |
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[2071] | 186 | void gst_roarmixer_free (GstRoarMixer *mixer) { |
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| 187 | g_return_if_fail(mixer != NULL); |
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| 188 | |
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[2076] | 189 | ROAR_WARN("gst_roarmixer_free(mixer=%p) = ?", mixer); |
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| 190 | |
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[2071] | 191 | if (mixer->device) { |
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| 192 | g_free(mixer->device); |
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| 193 | mixer->device = NULL; |
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| 194 | } |
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| 195 | |
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| 196 | if (mixer->cardname) { |
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| 197 | g_free(mixer->cardname); |
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| 198 | mixer->cardname = NULL; |
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| 199 | } |
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| 200 | |
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| 201 | if (mixer->tracklist) { |
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| 202 | g_list_foreach(mixer->tracklist, (GFunc) g_object_unref, NULL); |
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| 203 | g_list_free(mixer->tracklist); |
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| 204 | mixer->tracklist = NULL; |
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| 205 | } |
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| 206 | |
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| 207 | roar_disconnect(&(mixer->con)); |
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| 208 | |
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| 209 | g_free (mixer); |
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[2076] | 210 | |
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| 211 | ROAR_WARN("gst_roarmixer_free(mixer=%p) = (void)", mixer); |
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[2071] | 212 | } |
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| 213 | |
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[2072] | 214 | /* unused with G_DISABLE_* */ |
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| 215 | static G_GNUC_UNUSED gboolean gst_roarmixer_contains_track (GstRoarMixer * mixer, |
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| 216 | GstRoarMixerTrack * roartrack) { |
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| 217 | const GList *item; |
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| 218 | |
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[2266] | 219 | if ( mixer == NULL || mixer->tracklist == NULL ) |
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| 220 | return FALSE; |
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| 221 | |
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[2072] | 222 | for (item = mixer->tracklist; item != NULL; item = item->next) |
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| 223 | if (item->data == roartrack) |
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| 224 | return TRUE; |
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| 225 | |
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| 226 | return FALSE; |
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| 227 | } |
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| 228 | |
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[2076] | 229 | void gst_roarmixer_updatestreamlist (GstRoarMixer *mixer) { |
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| 230 | gint i = 0; |
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[2077] | 231 | gint num; |
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| 232 | gint id[ROAR_STREAMS_MAX]; |
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[2076] | 233 | GstMixerTrack *track; |
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| 234 | |
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[2266] | 235 | ROAR_WARN("gst_roarmixer_updatestreamlist(mixer=%p) = ? // ########################", mixer); |
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| 236 | ROAR_WARN("gst_roarmixer_updatestreamlist(mixer=%p): tracklist=%p", mixer, mixer->tracklist); |
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[2076] | 237 | |
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| 238 | if (mixer->tracklist) { |
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| 239 | ROAR_WARN("gst_roarmixer_updatestreamlist(mixer=%p) = (void)", mixer); |
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| 240 | return; |
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| 241 | } |
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| 242 | |
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[2553] | 243 | /* |
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[2266] | 244 | if (mixer->tracklist) { |
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| 245 | g_list_foreach(mixer->tracklist, (GFunc) g_object_unref, NULL); |
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| 246 | g_list_free(mixer->tracklist); |
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| 247 | mixer->tracklist = NULL; |
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| 248 | } |
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[2553] | 249 | */ |
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[2266] | 250 | |
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| 251 | ROAR_WARN("gst_roarmixer_updatestreamlist(mixer=%p): tracklist=%p", mixer, mixer->tracklist); |
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| 252 | |
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[2077] | 253 | if ( (num = roar_list_streams(&(mixer->con), id, ROAR_STREAMS_MAX)) == -1 ) { |
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| 254 | return; |
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| 255 | } |
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| 256 | |
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| 257 | |
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| 258 | for (i = 0; i < num; i++) { |
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| 259 | track = gst_roarmixer_track_new(mixer, id[i]); |
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[2266] | 260 | ROAR_WARN("gst_roarmixer_updatestreamlist(mixer=%p): track=%p", mixer, track); |
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| 261 | |
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| 262 | if ( track == NULL ) |
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| 263 | continue; |
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| 264 | |
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[2077] | 265 | mixer->tracklist = g_list_append(mixer->tracklist, track); |
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| 266 | } |
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[2076] | 267 | |
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[2266] | 268 | ROAR_WARN("gst_roarmixer_updatestreamlist(mixer=%p): tracklist=%p", mixer, mixer->tracklist); |
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| 269 | |
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| 270 | ROAR_WARN("gst_roarmixer_updatestreamlist(mixer=%p) = (void) // ###################", mixer); |
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[2076] | 271 | } |
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| 272 | |
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[2071] | 273 | const GList* gst_roarmixer_list_tracks (GstRoarMixer * mixer) { |
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[2076] | 274 | ROAR_WARN("gst_roarmixer_list_tracks(mixer=%p) = ?", mixer); |
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| 275 | |
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| 276 | gst_roarmixer_updatestreamlist(mixer); |
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| 277 | |
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[2266] | 278 | ROAR_WARN("gst_roarmixer_list_tracks(mixer=%p) = %p", mixer, mixer->tracklist); |
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[2071] | 279 | return (const GList *) mixer->tracklist; |
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| 280 | } |
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| 281 | |
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[2070] | 282 | void gst_roarmixer_set_volume (GstRoarMixer * mixer, |
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| 283 | GstMixerTrack * track, |
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[2071] | 284 | gint * volumes) { |
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[2080] | 285 | GstRoarMixerTrack *roartrack = GST_ROARMIXER_TRACK(track); |
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| 286 | int channels; |
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| 287 | struct roar_mixer_settings m; |
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| 288 | gint i; |
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| 289 | |
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| 290 | |
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| 291 | g_return_if_fail(gst_roarmixer_contains_track(mixer, roartrack)); |
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| 292 | |
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| 293 | if ( roar_get_vol(&(mixer->con), roartrack->stream_id, &m, &channels) == -1 ) { |
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| 294 | ROAR_WARN("gst_roarmixer_get_volume(*): can not get mixer infos for stream %i", roartrack->stream_id); |
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| 295 | return; |
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| 296 | } |
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| 297 | |
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| 298 | if ( channels != track->num_channels ) { |
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| 299 | ROAR_WARN("gst_roarmixer_get_volume(*): numer of channels for stream %i mismatch", roartrack->stream_id); |
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| 300 | |
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| 301 | if ( track->num_channels < channels ) |
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| 302 | channels = track->num_channels; |
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| 303 | } |
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| 304 | |
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| 305 | for (i = 0; i < channels; i++) { |
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| 306 | m.mixer[i] = volumes[i]; |
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| 307 | } |
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| 308 | |
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| 309 | roar_set_vol(&(mixer->con), roartrack->stream_id, &m, channels); |
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[2071] | 310 | } |
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[2080] | 311 | |
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[2070] | 312 | void gst_roarmixer_get_volume (GstRoarMixer * mixer, |
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| 313 | GstMixerTrack * track, |
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[2071] | 314 | gint * volumes) { |
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[2077] | 315 | GstRoarMixerTrack *roartrack = GST_ROARMIXER_TRACK(track); |
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| 316 | int channels; |
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| 317 | struct roar_mixer_settings m; |
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| 318 | gint i; |
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| 319 | |
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| 320 | |
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| 321 | g_return_if_fail(gst_roarmixer_contains_track(mixer, roartrack)); |
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| 322 | |
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| 323 | if ( roar_get_vol(&(mixer->con), roartrack->stream_id, &m, &channels) == -1 ) { |
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[2078] | 324 | ROAR_WARN("gst_roarmixer_get_volume(*): can not get mixer infos for stream %i", roartrack->stream_id); |
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[2077] | 325 | return; |
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| 326 | } |
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| 327 | |
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| 328 | if ( channels != track->num_channels ) { |
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| 329 | ROAR_WARN("gst_roarmixer_get_volume(*): numer of channels for stream %i mismatch", roartrack->stream_id); |
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| 330 | |
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| 331 | if ( track->num_channels < channels ) |
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| 332 | channels = track->num_channels; |
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| 333 | } |
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| 334 | |
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| 335 | for (i = 0; i < channels; i++) { |
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| 336 | volumes[i] = m.mixer[i]; |
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| 337 | } |
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[2071] | 338 | } |
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[2070] | 339 | void gst_roarmixer_set_record (GstRoarMixer * mixer, |
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| 340 | GstMixerTrack * track, |
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[2071] | 341 | gboolean record) { |
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| 342 | } |
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[2070] | 343 | void gst_roarmixer_set_mute (GstRoarMixer * mixer, |
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| 344 | GstMixerTrack * track, |
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[2071] | 345 | gboolean mute) { |
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[2077] | 346 | GstRoarMixerTrack *roartrack = GST_ROARMIXER_TRACK(track); |
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| 347 | struct roar_stream s; |
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| 348 | |
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| 349 | g_return_if_fail(gst_roarmixer_contains_track(mixer, roartrack)); |
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| 350 | |
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| 351 | roar_stream_new_by_id(&s, roartrack->stream_id); |
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| 352 | |
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| 353 | if (mute) { |
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| 354 | roar_stream_set_flags(&(mixer->con), &s, ROAR_FLAG_MUTE, ROAR_SET_FLAG); |
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| 355 | } else { |
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| 356 | roar_stream_set_flags(&(mixer->con), &s, ROAR_FLAG_MUTE, ROAR_RESET_FLAG); |
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| 357 | } |
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[2071] | 358 | } |
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[2070] | 359 | |
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[2076] | 360 | // tracks: |
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| 361 | #define MASK_BIT_IS_SET(mask, bit) \ |
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| 362 | (mask & (1 << bit)) |
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| 363 | |
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| 364 | static void |
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| 365 | gst_roarmixer_track_class_init (GstRoarMixerTrackClass * klass) |
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| 366 | { |
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| 367 | /* nop */ |
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| 368 | } |
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| 369 | |
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| 370 | static void |
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| 371 | gst_roarmixer_track_init (GstRoarMixerTrack * track) |
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| 372 | { |
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| 373 | //memset(track, 0, sizeof(*track)); |
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| 374 | track->stream_id = -1; |
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[2266] | 375 | ROAR_WARN("gst_roarmixer_track_init(track=%p) = (void)", track); |
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[2076] | 376 | } |
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| 377 | |
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| 378 | GstMixerTrack * |
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| 379 | gst_roarmixer_track_new (GstRoarMixer * mixer, |
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[2077] | 380 | gint stream_id) |
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[2076] | 381 | { |
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| 382 | GstRoarMixerTrack *roartrack; |
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| 383 | GstMixerTrack *track; |
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[2077] | 384 | struct roar_stream s; |
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[2081] | 385 | struct roar_client c; |
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| 386 | struct roar_meta m; |
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[2077] | 387 | gint flags = 0; |
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| 388 | gchar buf[1024]; |
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[2081] | 389 | int num; |
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| 390 | int id[ROAR_CLIENTS_MAX]; |
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| 391 | char * clientname = NULL; |
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| 392 | char * metaname = NULL; |
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| 393 | char streamname[1024] = {0}; |
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| 394 | gint i, h; |
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[2076] | 395 | |
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[2077] | 396 | ROAR_WARN("gst_roarmixer_track_new(mixer=%p, stream_id=%i) = ?", mixer, stream_id); |
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| 397 | |
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| 398 | if ( roar_get_stream(&(mixer->con), &s, stream_id) == -1 ) { |
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| 399 | return NULL; |
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| 400 | } |
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[2076] | 401 | |
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[2081] | 402 | // TODO: find something more efficent: |
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| 403 | |
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| 404 | if ( (num = roar_list_clients(&(mixer->con), id, ROAR_CLIENTS_MAX)) != -1 ) { |
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| 405 | for (i = 0; i < num; i++) { |
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[2266] | 406 | ROAR_DBG("gst_roarmixer_track_new(*): stream %i -->> client %i?", stream_id, id[i]); |
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[2081] | 407 | if ( roar_get_client(&(mixer->con), &c, id[i]) != -1 ) { |
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| 408 | for (h = 0; h < ROAR_CLIENTS_MAX_STREAMS_PER_CLIENT; h++) { |
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[2266] | 409 | ROAR_DBG("gst_roarmixer_track_new(*): stream %i <-> %i -->> client %i?", stream_id, c.streams[h], id[i]); |
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[2081] | 410 | if ( c.streams[h] == stream_id ) { |
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| 411 | clientname = c.name; |
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| 412 | h = ROAR_CLIENTS_MAX_STREAMS_PER_CLIENT; |
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| 413 | i = num; |
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| 414 | } |
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| 415 | } |
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| 416 | } |
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| 417 | } |
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| 418 | } |
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| 419 | |
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| 420 | m.type = ROAR_META_TYPE_TITLE; |
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| 421 | if ( roar_stream_meta_get(&(mixer->con), &s, &m) != -1 ) { |
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| 422 | metaname = m.value; |
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| 423 | } |
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| 424 | |
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[2116] | 425 | if ( roar_stream_get_name(&(mixer->con), &s, streamname, 1024) != 0 ) |
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[2081] | 426 | *streamname = 0; |
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| 427 | |
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[2077] | 428 | switch (s.dir) { |
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| 429 | case ROAR_DIR_PLAY: |
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| 430 | flags |= GST_MIXER_TRACK_OUTPUT; |
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| 431 | break; |
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| 432 | case ROAR_DIR_OUTPUT: |
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| 433 | flags |= GST_MIXER_TRACK_MASTER; |
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| 434 | case ROAR_DIR_MONITOR: |
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| 435 | flags |= GST_MIXER_TRACK_OUTPUT; |
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| 436 | break; |
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[2555] | 437 | default: return NULL; |
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[2077] | 438 | } |
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| 439 | |
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[2119] | 440 | #if 0 |
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[2081] | 441 | if ( !*streamname && metaname == NULL ) |
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| 442 | sprintf(streamname, "[Stream %i]", stream_id); |
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| 443 | |
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| 444 | sprintf(buf, "%s\n%s", clientname ? clientname : "[Unknown]", |
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| 445 | *streamname ? streamname : metaname |
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| 446 | ); |
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[2119] | 447 | #else |
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| 448 | if ( *streamname ) { |
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| 449 | strcpy(buf, streamname); |
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| 450 | } else { |
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| 451 | sprintf(buf, "Stream %i/%s", stream_id, clientname); |
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| 452 | } |
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| 453 | #endif |
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[2077] | 454 | |
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| 455 | roartrack = g_object_new(GST_TYPE_ROARMIXER_TRACK, NULL); |
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[2076] | 456 | ROAR_WARN("gst_roarmixer_track_new(*): roartrack=%p", roartrack); |
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[2077] | 457 | track = GST_MIXER_TRACK(roartrack); |
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| 458 | track->label = g_strdup(buf); |
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| 459 | track->num_channels = s.info.channels; |
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| 460 | track->flags = flags; |
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| 461 | track->min_volume = 0; |
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| 462 | track->max_volume = 65535; |
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[2076] | 463 | roartrack->stream_id = stream_id; |
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| 464 | |
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| 465 | /* volume */ |
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[2077] | 466 | ROAR_WARN("gst_roarmixer_track_new(mixer=%p, stream_id=%i) = %p", mixer, stream_id, track); |
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[2076] | 467 | return track; |
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| 468 | } |
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| 469 | |
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[2070] | 470 | //ll |
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