[2070] | 1 | //roarmixer.c: |
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| 2 | /* GStreamer |
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[3814] | 3 | * Copyright (C) <2005> Arwed v. Merkatz <v.merkatz@gmx.net> |
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[5381] | 4 | * Copyright (C) <2008-2012> Philipp 'ph3-der-loewe' Schafft |
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[3814] | 5 | * <lion@lion.leolix.org> |
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[2070] | 6 | * |
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| 7 | * roarmixer.h: an RoarAudio audio mixer |
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| 8 | * |
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| 9 | * This library is free software; you can redistribute it and/or |
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| 10 | * modify it under the terms of the GNU Library General Public |
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| 11 | * License as published by the Free Software Foundation; either |
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| 12 | * version 2 of the License, or (at your option) any later version. |
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| 13 | * |
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| 14 | * This library is distributed in the hope that it will be useful, |
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| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 17 | * Library General Public License for more details. |
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| 18 | * |
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| 19 | * You should have received a copy of the GNU Library General Public |
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| 20 | * License along with this library; if not, write to the |
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[4023] | 21 | * Free Software Foundation, 51 Franklin Street, Fifth Floor, |
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[2070] | 22 | * Boston, MA 02111-1307, USA. |
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| 23 | */ |
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| 24 | |
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| 25 | |
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| 26 | #include "roarmixer.h" |
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| 27 | |
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[2073] | 28 | GST_DEBUG_CATEGORY_EXTERN (roar_debug); |
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| 29 | #define GST_CAT_DEFAULT roar_debug |
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| 30 | |
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| 31 | enum |
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| 32 | { |
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| 33 | PROP_DEVICE_NAME = 1 |
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| 34 | }; |
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| 35 | |
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| 36 | |
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| 37 | static const GstElementDetails gst_roar_mixer_element_details = |
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| 38 | GST_ELEMENT_DETAILS ("RoarAudio Mixer", |
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| 39 | "Generic/Audio", |
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| 40 | "Control sound input and output levels with RoarAudio", |
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| 41 | "Philipp 'ph3-der-loewe' Schafft <lion@lion.leolix.org>"); |
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| 42 | |
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| 43 | GST_BOILERPLATE_WITH_INTERFACE (GstRoarMixerElement, gst_roar_mixer_element, |
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| 44 | GstElement, GST_TYPE_ELEMENT, GstMixer, GST_TYPE_MIXER, |
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| 45 | gst_roar_mixer_element); |
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| 46 | |
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| 47 | GST_IMPLEMENT_ROAR_MIXER_METHODS (GstRoarMixerElement, gst_roar_mixer_element); |
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| 48 | |
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| 49 | static GstStateChangeReturn gst_roar_mixer_element_change_state (GstElement * |
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| 50 | element, GstStateChange transition); |
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| 51 | |
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| 52 | static void gst_roar_mixer_element_get_property (GObject * object, |
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| 53 | guint prop_id, GValue * value, GParamSpec * pspec); |
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| 54 | |
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| 55 | static void |
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| 56 | gst_roar_mixer_element_base_init (gpointer klass) |
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| 57 | { |
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| 58 | gst_element_class_set_details (GST_ELEMENT_CLASS (klass), |
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| 59 | &gst_roar_mixer_element_details); |
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| 60 | } |
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| 61 | |
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| 62 | static void |
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| 63 | gst_roar_mixer_element_class_init (GstRoarMixerElementClass * klass) |
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| 64 | { |
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| 65 | GstElementClass *element_class; |
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| 66 | GObjectClass *gobject_class; |
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| 67 | |
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| 68 | element_class = (GstElementClass *) klass; |
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| 69 | gobject_class = (GObjectClass *) klass; |
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| 70 | |
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| 71 | gobject_class->get_property = gst_roar_mixer_element_get_property; |
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| 72 | |
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| 73 | g_object_class_install_property (gobject_class, PROP_DEVICE_NAME, |
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| 74 | g_param_spec_string ("device-name", "Device name", |
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| 75 | "Human-readable name of the sound device", "", G_PARAM_READABLE)); |
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| 76 | |
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| 77 | element_class->change_state = |
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| 78 | GST_DEBUG_FUNCPTR (gst_roar_mixer_element_change_state); |
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| 79 | } |
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| 80 | |
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| 81 | static void |
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| 82 | gst_roar_mixer_element_init (GstRoarMixerElement * this, |
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| 83 | GstRoarMixerElementClass * g_class) |
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| 84 | { |
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| 85 | this->mixer = NULL; |
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| 86 | } |
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| 87 | |
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| 88 | static void |
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| 89 | gst_roar_mixer_element_get_property (GObject * object, guint prop_id, |
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| 90 | GValue * value, GParamSpec * pspec) |
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| 91 | { |
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| 92 | GstRoarMixerElement *this = GST_ROAR_MIXER_ELEMENT (object); |
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| 93 | |
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| 94 | switch (prop_id) { |
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| 95 | case PROP_DEVICE_NAME: |
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| 96 | if (this->mixer) { |
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| 97 | g_value_set_string (value, this->mixer->cardname); |
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| 98 | } else { |
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| 99 | g_value_set_string (value, NULL); |
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| 100 | } |
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| 101 | break; |
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| 102 | default: |
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| 103 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); |
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| 104 | break; |
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| 105 | } |
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| 106 | } |
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| 107 | |
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| 108 | static GstStateChangeReturn |
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| 109 | gst_roar_mixer_element_change_state (GstElement * element, |
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| 110 | GstStateChange transition) |
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| 111 | { |
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| 112 | GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS; |
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| 113 | GstRoarMixerElement *this = GST_ROAR_MIXER_ELEMENT (element); |
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| 114 | |
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| 115 | switch (transition) { |
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| 116 | case GST_STATE_CHANGE_NULL_TO_READY: |
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| 117 | if (!this->mixer) { |
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[2117] | 118 | this->mixer = gst_roarmixer_new(NULL, GST_ROAR_MIXER_ALL); |
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[2073] | 119 | } |
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| 120 | break; |
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| 121 | default: |
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| 122 | break; |
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| 123 | } |
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| 124 | |
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[2553] | 125 | ret = GST_ELEMENT_CLASS(parent_class)->change_state(element, transition); |
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[2073] | 126 | if (ret == GST_STATE_CHANGE_FAILURE) |
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| 127 | return ret; |
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| 128 | |
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| 129 | switch (transition) { |
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| 130 | case GST_STATE_CHANGE_READY_TO_NULL: |
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| 131 | if (this->mixer) { |
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[2553] | 132 | gst_roarmixer_free(this->mixer); |
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[2073] | 133 | this->mixer = NULL; |
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| 134 | } |
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| 135 | break; |
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| 136 | default: |
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| 137 | break; |
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| 138 | } |
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| 139 | |
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| 140 | return ret; |
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| 141 | } |
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| 142 | |
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| 143 | |
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| 144 | gboolean gst_roarmixer_factory_init (GstPlugin * plugin) { |
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| 145 | if (!gst_element_register(plugin, "roarmixer", GST_RANK_MARGINAL, |
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[2074] | 146 | GST_TYPE_ROAR_MIXER_ELEMENT)) |
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[2073] | 147 | return FALSE; |
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| 148 | |
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| 149 | return TRUE; |
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| 150 | } |
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| 151 | |
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[2076] | 152 | G_DEFINE_TYPE (GstRoarMixerTrack, gst_roarmixer_track, GST_TYPE_MIXER_TRACK); |
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| 153 | |
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[2070] | 154 | GstRoarMixer* gst_roarmixer_new (const gchar *device, |
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[2071] | 155 | GstRoarMixerDirection dir) { |
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| 156 | GstRoarMixer *ret = NULL; |
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| 157 | |
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[2076] | 158 | ROAR_WARN("gst_roarmixer_new(device='%s', dir=0x%.4x) = ?", device, dir); |
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| 159 | |
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[2071] | 160 | ret = g_new0(GstRoarMixer, 1); |
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| 161 | |
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| 162 | ret->device = g_strdup(device); |
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| 163 | ret->dir = dir; |
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[2074] | 164 | ret->cardname = g_strdup("RoarAudio Default Device"); |
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[2071] | 165 | |
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| 166 | /* |
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| 167 | if (!gst_ossmixer_open (ret)) |
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| 168 | goto error; |
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| 169 | */ |
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| 170 | |
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[2117] | 171 | if ( roar_simple_connect(&(ret->con), (char*)device, "gstroarmixer") == -1 ) |
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[2071] | 172 | goto error; |
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| 173 | |
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[2076] | 174 | ROAR_WARN("gst_roarmixer_new(device='%s', dir=0x%.4x) = %p", device, dir, ret); |
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[2071] | 175 | return ret; |
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| 176 | |
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| 177 | error: |
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| 178 | if (ret) |
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| 179 | gst_roarmixer_free (ret); |
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| 180 | |
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[2076] | 181 | ROAR_WARN("gst_roarmixer_new(device='%s', dir=0x%.4x) = NULL // Error?", device, dir); |
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[2071] | 182 | return NULL; |
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| 183 | } |
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[2070] | 184 | |
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[2071] | 185 | void gst_roarmixer_free (GstRoarMixer *mixer) { |
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| 186 | g_return_if_fail(mixer != NULL); |
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| 187 | |
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[2076] | 188 | ROAR_WARN("gst_roarmixer_free(mixer=%p) = ?", mixer); |
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| 189 | |
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[2071] | 190 | if (mixer->device) { |
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| 191 | g_free(mixer->device); |
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| 192 | mixer->device = NULL; |
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| 193 | } |
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| 194 | |
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| 195 | if (mixer->cardname) { |
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| 196 | g_free(mixer->cardname); |
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| 197 | mixer->cardname = NULL; |
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| 198 | } |
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| 199 | |
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| 200 | if (mixer->tracklist) { |
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| 201 | g_list_foreach(mixer->tracklist, (GFunc) g_object_unref, NULL); |
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| 202 | g_list_free(mixer->tracklist); |
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| 203 | mixer->tracklist = NULL; |
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| 204 | } |
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| 205 | |
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| 206 | roar_disconnect(&(mixer->con)); |
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| 207 | |
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| 208 | g_free (mixer); |
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[2076] | 209 | |
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| 210 | ROAR_WARN("gst_roarmixer_free(mixer=%p) = (void)", mixer); |
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[2071] | 211 | } |
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| 212 | |
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[2072] | 213 | /* unused with G_DISABLE_* */ |
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| 214 | static G_GNUC_UNUSED gboolean gst_roarmixer_contains_track (GstRoarMixer * mixer, |
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| 215 | GstRoarMixerTrack * roartrack) { |
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| 216 | const GList *item; |
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| 217 | |
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[2266] | 218 | if ( mixer == NULL || mixer->tracklist == NULL ) |
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| 219 | return FALSE; |
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| 220 | |
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[2072] | 221 | for (item = mixer->tracklist; item != NULL; item = item->next) |
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| 222 | if (item->data == roartrack) |
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| 223 | return TRUE; |
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| 224 | |
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| 225 | return FALSE; |
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| 226 | } |
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| 227 | |
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[2076] | 228 | void gst_roarmixer_updatestreamlist (GstRoarMixer *mixer) { |
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| 229 | gint i = 0; |
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[2077] | 230 | gint num; |
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| 231 | gint id[ROAR_STREAMS_MAX]; |
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[2076] | 232 | GstMixerTrack *track; |
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| 233 | |
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[2266] | 234 | ROAR_WARN("gst_roarmixer_updatestreamlist(mixer=%p) = ? // ########################", mixer); |
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| 235 | ROAR_WARN("gst_roarmixer_updatestreamlist(mixer=%p): tracklist=%p", mixer, mixer->tracklist); |
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[2076] | 236 | |
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| 237 | if (mixer->tracklist) { |
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| 238 | ROAR_WARN("gst_roarmixer_updatestreamlist(mixer=%p) = (void)", mixer); |
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| 239 | return; |
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| 240 | } |
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| 241 | |
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[2553] | 242 | /* |
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[2266] | 243 | if (mixer->tracklist) { |
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| 244 | g_list_foreach(mixer->tracklist, (GFunc) g_object_unref, NULL); |
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| 245 | g_list_free(mixer->tracklist); |
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| 246 | mixer->tracklist = NULL; |
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| 247 | } |
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[2553] | 248 | */ |
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[2266] | 249 | |
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| 250 | ROAR_WARN("gst_roarmixer_updatestreamlist(mixer=%p): tracklist=%p", mixer, mixer->tracklist); |
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| 251 | |
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[2077] | 252 | if ( (num = roar_list_streams(&(mixer->con), id, ROAR_STREAMS_MAX)) == -1 ) { |
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| 253 | return; |
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| 254 | } |
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| 255 | |
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| 256 | |
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| 257 | for (i = 0; i < num; i++) { |
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| 258 | track = gst_roarmixer_track_new(mixer, id[i]); |
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[2266] | 259 | ROAR_WARN("gst_roarmixer_updatestreamlist(mixer=%p): track=%p", mixer, track); |
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| 260 | |
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| 261 | if ( track == NULL ) |
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| 262 | continue; |
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| 263 | |
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[2077] | 264 | mixer->tracklist = g_list_append(mixer->tracklist, track); |
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| 265 | } |
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[2076] | 266 | |
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[2266] | 267 | ROAR_WARN("gst_roarmixer_updatestreamlist(mixer=%p): tracklist=%p", mixer, mixer->tracklist); |
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| 268 | |
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| 269 | ROAR_WARN("gst_roarmixer_updatestreamlist(mixer=%p) = (void) // ###################", mixer); |
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[2076] | 270 | } |
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| 271 | |
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[2071] | 272 | const GList* gst_roarmixer_list_tracks (GstRoarMixer * mixer) { |
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[2076] | 273 | ROAR_WARN("gst_roarmixer_list_tracks(mixer=%p) = ?", mixer); |
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| 274 | |
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| 275 | gst_roarmixer_updatestreamlist(mixer); |
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| 276 | |
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[2266] | 277 | ROAR_WARN("gst_roarmixer_list_tracks(mixer=%p) = %p", mixer, mixer->tracklist); |
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[2071] | 278 | return (const GList *) mixer->tracklist; |
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| 279 | } |
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| 280 | |
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[2070] | 281 | void gst_roarmixer_set_volume (GstRoarMixer * mixer, |
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| 282 | GstMixerTrack * track, |
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[2071] | 283 | gint * volumes) { |
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[2080] | 284 | GstRoarMixerTrack *roartrack = GST_ROARMIXER_TRACK(track); |
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| 285 | int channels; |
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| 286 | struct roar_mixer_settings m; |
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[5235] | 287 | int mode = ROAR_SET_VOL_ALL; |
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[2080] | 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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[5235] | 299 | ROAR_WARN("gst_roarmixer_get_volume(*): numer of channels for stream %i mismatch (local: %i, server: %i)", |
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| 300 | roartrack->stream_id, (int)track->num_channels, channels); |
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[2080] | 301 | |
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| 302 | if ( track->num_channels < channels ) |
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| 303 | channels = track->num_channels; |
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[5235] | 304 | mode = ROAR_SET_VOL_UNMAPPED; |
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[2080] | 305 | } |
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| 306 | |
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| 307 | for (i = 0; i < channels; i++) { |
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| 308 | m.mixer[i] = volumes[i]; |
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| 309 | } |
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| 310 | |
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[3533] | 311 | m.scale = 65535; |
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| 312 | |
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[5236] | 313 | _LIBROAR_IGNORE_RET(roar_set_vol(&(mixer->con), roartrack->stream_id, &m, channels, mode)); |
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[2071] | 314 | } |
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[2080] | 315 | |
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[2070] | 316 | void gst_roarmixer_get_volume (GstRoarMixer * mixer, |
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| 317 | GstMixerTrack * track, |
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[2071] | 318 | gint * volumes) { |
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[2077] | 319 | GstRoarMixerTrack *roartrack = GST_ROARMIXER_TRACK(track); |
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| 320 | int channels; |
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| 321 | struct roar_mixer_settings m; |
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| 322 | gint i; |
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| 323 | |
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| 324 | |
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| 325 | g_return_if_fail(gst_roarmixer_contains_track(mixer, roartrack)); |
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| 326 | |
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| 327 | if ( roar_get_vol(&(mixer->con), roartrack->stream_id, &m, &channels) == -1 ) { |
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[2078] | 328 | ROAR_WARN("gst_roarmixer_get_volume(*): can not get mixer infos for stream %i", roartrack->stream_id); |
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[2077] | 329 | return; |
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| 330 | } |
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| 331 | |
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| 332 | if ( channels != track->num_channels ) { |
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| 333 | ROAR_WARN("gst_roarmixer_get_volume(*): numer of channels for stream %i mismatch", roartrack->stream_id); |
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| 334 | |
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| 335 | if ( track->num_channels < channels ) |
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| 336 | channels = track->num_channels; |
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| 337 | } |
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| 338 | |
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| 339 | for (i = 0; i < channels; i++) { |
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[3533] | 340 | if ( m.scale == 65535 ) { |
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| 341 | volumes[i] = m.mixer[i]; |
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| 342 | } else { |
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| 343 | volumes[i] = m.mixer[i] * 65535. / (float) m.scale; // we do not hanle precides scaling here |
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| 344 | // as it does not matter: |
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| 345 | // we never write those values back to roard. |
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| 346 | } |
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[2077] | 347 | } |
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[3533] | 348 | |
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[2071] | 349 | } |
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[2070] | 350 | void gst_roarmixer_set_record (GstRoarMixer * mixer, |
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| 351 | GstMixerTrack * track, |
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[2071] | 352 | gboolean record) { |
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| 353 | } |
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[2070] | 354 | void gst_roarmixer_set_mute (GstRoarMixer * mixer, |
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| 355 | GstMixerTrack * track, |
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[2071] | 356 | gboolean mute) { |
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[2077] | 357 | GstRoarMixerTrack *roartrack = GST_ROARMIXER_TRACK(track); |
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| 358 | struct roar_stream s; |
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| 359 | |
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| 360 | g_return_if_fail(gst_roarmixer_contains_track(mixer, roartrack)); |
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| 361 | |
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| 362 | roar_stream_new_by_id(&s, roartrack->stream_id); |
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| 363 | |
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| 364 | if (mute) { |
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[5238] | 365 | _LIBROAR_IGNORE_RET(roar_stream_set_flags(&(mixer->con), &s, ROAR_FLAG_MUTE, ROAR_SET_FLAG)); |
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[2077] | 366 | } else { |
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[5238] | 367 | _LIBROAR_IGNORE_RET(roar_stream_set_flags(&(mixer->con), &s, ROAR_FLAG_MUTE, ROAR_RESET_FLAG)); |
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[2077] | 368 | } |
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[2071] | 369 | } |
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[2070] | 370 | |
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[2076] | 371 | // tracks: |
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| 372 | #define MASK_BIT_IS_SET(mask, bit) \ |
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| 373 | (mask & (1 << bit)) |
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| 374 | |
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| 375 | static void |
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| 376 | gst_roarmixer_track_class_init (GstRoarMixerTrackClass * klass) |
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| 377 | { |
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| 378 | /* nop */ |
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| 379 | } |
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| 380 | |
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| 381 | static void |
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| 382 | gst_roarmixer_track_init (GstRoarMixerTrack * track) |
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| 383 | { |
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| 384 | //memset(track, 0, sizeof(*track)); |
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| 385 | track->stream_id = -1; |
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[2266] | 386 | ROAR_WARN("gst_roarmixer_track_init(track=%p) = (void)", track); |
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[2076] | 387 | } |
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| 388 | |
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| 389 | GstMixerTrack * |
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| 390 | gst_roarmixer_track_new (GstRoarMixer * mixer, |
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[2077] | 391 | gint stream_id) |
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[2076] | 392 | { |
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| 393 | GstRoarMixerTrack *roartrack; |
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| 394 | GstMixerTrack *track; |
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[2077] | 395 | struct roar_stream s; |
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[2081] | 396 | struct roar_client c; |
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| 397 | struct roar_meta m; |
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[2077] | 398 | gint flags = 0; |
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| 399 | gchar buf[1024]; |
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[2081] | 400 | int num; |
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| 401 | int id[ROAR_CLIENTS_MAX]; |
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| 402 | char * clientname = NULL; |
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| 403 | char * metaname = NULL; |
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| 404 | char streamname[1024] = {0}; |
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| 405 | gint i, h; |
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[2076] | 406 | |
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[2077] | 407 | ROAR_WARN("gst_roarmixer_track_new(mixer=%p, stream_id=%i) = ?", mixer, stream_id); |
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| 408 | |
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| 409 | if ( roar_get_stream(&(mixer->con), &s, stream_id) == -1 ) { |
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| 410 | return NULL; |
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| 411 | } |
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[2076] | 412 | |
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[2081] | 413 | // TODO: find something more efficent: |
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| 414 | |
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| 415 | if ( (num = roar_list_clients(&(mixer->con), id, ROAR_CLIENTS_MAX)) != -1 ) { |
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| 416 | for (i = 0; i < num; i++) { |
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[2266] | 417 | ROAR_DBG("gst_roarmixer_track_new(*): stream %i -->> client %i?", stream_id, id[i]); |
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[2081] | 418 | if ( roar_get_client(&(mixer->con), &c, id[i]) != -1 ) { |
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| 419 | for (h = 0; h < ROAR_CLIENTS_MAX_STREAMS_PER_CLIENT; h++) { |
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[2266] | 420 | ROAR_DBG("gst_roarmixer_track_new(*): stream %i <-> %i -->> client %i?", stream_id, c.streams[h], id[i]); |
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[2081] | 421 | if ( c.streams[h] == stream_id ) { |
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| 422 | clientname = c.name; |
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| 423 | h = ROAR_CLIENTS_MAX_STREAMS_PER_CLIENT; |
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| 424 | i = num; |
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| 425 | } |
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| 426 | } |
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| 427 | } |
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| 428 | } |
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| 429 | } |
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| 430 | |
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| 431 | m.type = ROAR_META_TYPE_TITLE; |
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| 432 | if ( roar_stream_meta_get(&(mixer->con), &s, &m) != -1 ) { |
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| 433 | metaname = m.value; |
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| 434 | } |
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| 435 | |
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[2116] | 436 | if ( roar_stream_get_name(&(mixer->con), &s, streamname, 1024) != 0 ) |
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[2081] | 437 | *streamname = 0; |
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| 438 | |
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[2077] | 439 | switch (s.dir) { |
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| 440 | case ROAR_DIR_PLAY: |
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| 441 | flags |= GST_MIXER_TRACK_OUTPUT; |
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| 442 | break; |
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[2948] | 443 | case ROAR_DIR_MIXING: |
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| 444 | flags |= GST_MIXER_TRACK_OUTPUT; |
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| 445 | break; |
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[2077] | 446 | case ROAR_DIR_OUTPUT: |
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| 447 | flags |= GST_MIXER_TRACK_MASTER; |
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| 448 | case ROAR_DIR_MONITOR: |
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| 449 | flags |= GST_MIXER_TRACK_OUTPUT; |
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| 450 | break; |
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[2555] | 451 | default: return NULL; |
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[2077] | 452 | } |
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| 453 | |
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[2119] | 454 | #if 0 |
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[2081] | 455 | if ( !*streamname && metaname == NULL ) |
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| 456 | sprintf(streamname, "[Stream %i]", stream_id); |
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| 457 | |
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| 458 | sprintf(buf, "%s\n%s", clientname ? clientname : "[Unknown]", |
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| 459 | *streamname ? streamname : metaname |
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| 460 | ); |
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[2119] | 461 | #else |
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| 462 | if ( *streamname ) { |
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| 463 | strcpy(buf, streamname); |
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| 464 | } else { |
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| 465 | sprintf(buf, "Stream %i/%s", stream_id, clientname); |
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| 466 | } |
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| 467 | #endif |
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[2077] | 468 | |
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| 469 | roartrack = g_object_new(GST_TYPE_ROARMIXER_TRACK, NULL); |
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[2076] | 470 | ROAR_WARN("gst_roarmixer_track_new(*): roartrack=%p", roartrack); |
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[2077] | 471 | track = GST_MIXER_TRACK(roartrack); |
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| 472 | track->label = g_strdup(buf); |
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| 473 | track->num_channels = s.info.channels; |
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| 474 | track->flags = flags; |
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| 475 | track->min_volume = 0; |
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| 476 | track->max_volume = 65535; |
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[2076] | 477 | roartrack->stream_id = stream_id; |
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| 478 | |
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| 479 | /* volume */ |
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[2077] | 480 | ROAR_WARN("gst_roarmixer_track_new(mixer=%p, stream_id=%i) = %p", mixer, stream_id, track); |
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[2076] | 481 | return track; |
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| 482 | } |
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| 483 | |
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[2070] | 484 | //ll |
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