[1600] | 1 | //roarsink.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) <2008,2009> Philipp 'ph3-der-loewe' Schafft |
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| 5 | * <lion@lion.leolix.org> |
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| 6 | * |
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| 7 | * Roughly based on the gstreamer 0.8 esdsink plugin: |
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| 8 | * Copyright (C) <2001> Richard Boulton <richard-gst@tartarus.org> |
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| 9 | * |
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| 10 | * roarsink.c: an RoarAudio audio sink |
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| 11 | * |
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| 12 | * This library is free software; you can redistribute it and/or |
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| 13 | * modify it under the terms of the GNU Library General Public |
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| 14 | * License as published by the Free Software Foundation; either |
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| 15 | * version 2 of the License, or (at your option) any later version. |
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| 16 | * |
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| 17 | * This library is distributed in the hope that it will be useful, |
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| 18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 20 | * Library General Public License for more details. |
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| 21 | * |
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| 22 | * You should have received a copy of the GNU Library General Public |
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| 23 | * License along with this library; if not, write to the |
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| 24 | * Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
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| 25 | * Boston, MA 02111-1307, USA. |
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| 26 | */ |
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| 27 | |
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| 28 | |
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| 29 | #ifdef HAVE_CONFIG_H |
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| 30 | #include "config.h" |
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| 31 | #endif |
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| 32 | |
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| 33 | #include "roarsink.h" |
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| 34 | #include <unistd.h> |
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| 35 | #include <errno.h> |
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| 36 | |
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| 37 | #define _(x) (x) |
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| 38 | |
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| 39 | //#include <gst/gst-i18n-plugin.h> |
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| 40 | |
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| 41 | #ifndef ROAR_MAX_WRITE_SIZE |
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| 42 | #define ROAR_MAX_WRITE_SIZE (21 * 4096) |
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| 43 | #endif |
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| 44 | #define ROAR_BUF_SIZE 1764 /* this is dynamic for RoarAudio, use the most common value here for the moment */ |
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| 45 | |
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| 46 | //GST_DEBUG_CATEGORY_EXTERN (roar_debug); |
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| 47 | //#define GST_CAT_DEFAULT roar_debug |
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| 48 | |
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| 49 | /* elementfactory information */ |
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| 50 | static const GstElementDetails roarsink_details = |
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| 51 | GST_ELEMENT_DETAILS("RoarAudio audio sink", |
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| 52 | "Sink/Audio", |
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| 53 | "Plays audio to an RoarAudio server", |
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| 54 | "Philipp 'ph3-der-loewe' Schafft <lion@lion.leolix.org>"); |
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| 55 | |
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| 56 | enum |
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| 57 | { |
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| 58 | PROP_0, |
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| 59 | PROP_HOST |
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| 60 | }; |
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| 61 | |
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[2558] | 62 | #define _QM(x) #x |
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| 63 | #define QM(x) _QM(x) |
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| 64 | |
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[1600] | 65 | static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE("sink", |
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| 66 | GST_PAD_SINK, |
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| 67 | GST_PAD_ALWAYS, |
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[2559] | 68 | GST_STATIC_CAPS( |
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[2562] | 69 | "audio/x-alaw, " |
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| 70 | "rate = (int) [ 1, MAX ], " |
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| 71 | "channels = (int) [ 1, " QM(ROAR_MAX_CHANNELS) " ]; " |
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| 72 | |
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| 73 | "audio/x-mulaw, " |
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| 74 | "rate = (int) [ 1, MAX ], " |
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| 75 | "channels = (int) [ 1, " QM(ROAR_MAX_CHANNELS) " ]; " |
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| 76 | |
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[2566] | 77 | /* |
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[2559] | 78 | "audio/x-raw-int, " |
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[2561] | 79 | "endianness = (int) { BIG_ENDIAN, LITTLE_ENDIAN }, " |
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| 80 | "signed = (boolean) { true, false }, " |
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[2560] | 81 | "width = (int) 32, " |
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| 82 | "depth = (int) 32, " |
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| 83 | "rate = (int) [ 1, MAX ], " |
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| 84 | "channels = (int) [ 1, " QM(ROAR_MAX_CHANNELS) " ]; " |
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[2566] | 85 | */ |
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[2560] | 86 | |
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[2563] | 87 | /* |
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[2560] | 88 | "audio/x-raw-int, " |
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[2561] | 89 | "endianness = (int) { BIG_ENDIAN, LITTLE_ENDIAN }, " |
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| 90 | "signed = (boolean) { true, false }, " |
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[2560] | 91 | "width = (int) 24, " |
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| 92 | "depth = (int) 24, " |
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| 93 | "rate = (int) [ 1, MAX ], " |
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| 94 | "channels = (int) [ 1, " QM(ROAR_MAX_CHANNELS) " ]; " |
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[2563] | 95 | */ |
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[2560] | 96 | |
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| 97 | "audio/x-raw-int, " |
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[2561] | 98 | "endianness = (int) { BIG_ENDIAN, LITTLE_ENDIAN }, " |
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| 99 | "signed = (boolean) { true, false }, " |
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[1600] | 100 | "width = (int) 16, " |
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| 101 | "depth = (int) 16, " |
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| 102 | "rate = (int) [ 1, MAX ], " |
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[2558] | 103 | "channels = (int) [ 1, " QM(ROAR_MAX_CHANNELS) " ]; " |
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[2557] | 104 | |
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[1600] | 105 | "audio/x-raw-int, " |
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| 106 | "signed = (boolean) { true, false }, " |
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| 107 | "width = (int) 8, " |
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| 108 | "depth = (int) 8, " |
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[2557] | 109 | "rate = (int) [ 1, MAX ], " |
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[2558] | 110 | "channels = (int) [ 1, " QM(ROAR_MAX_CHANNELS) " ]" |
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[2557] | 111 | ) |
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[1600] | 112 | ); |
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| 113 | |
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[2558] | 114 | #undef _QM |
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| 115 | #undef QM |
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| 116 | |
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[1600] | 117 | static void gst_roarsink_finalize (GObject * object); |
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| 118 | |
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| 119 | static GstCaps *gst_roarsink_getcaps (GstBaseSink * bsink); |
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| 120 | |
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| 121 | static gboolean gst_roarsink_open (GstAudioSink * asink); |
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| 122 | static gboolean gst_roarsink_close (GstAudioSink * asink); |
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| 123 | static gboolean gst_roarsink_prepare (GstAudioSink * asink, |
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| 124 | GstRingBufferSpec * spec); |
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| 125 | static gboolean gst_roarsink_unprepare (GstAudioSink * asink); |
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| 126 | static guint gst_roarsink_write (GstAudioSink * asink, gpointer data, |
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| 127 | guint length); |
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| 128 | static guint gst_roarsink_delay (GstAudioSink * asink); |
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| 129 | static void gst_roarsink_reset (GstAudioSink * asink); |
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| 130 | |
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| 131 | static void gst_roarsink_set_property (GObject * object, guint prop_id, |
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| 132 | const GValue * value, GParamSpec * pspec); |
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| 133 | static void gst_roarsink_get_property (GObject * object, guint prop_id, |
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| 134 | GValue * value, GParamSpec * pspec); |
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| 135 | |
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| 136 | GST_BOILERPLATE (GstRoarSink, gst_roarsink, GstAudioSink, GST_TYPE_AUDIO_SINK); |
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| 137 | |
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| 138 | static void gst_roarsink_base_init (gpointer g_class) { |
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| 139 | GstElementClass *element_class = GST_ELEMENT_CLASS(g_class); |
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| 140 | |
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| 141 | gst_element_class_add_pad_template(element_class, |
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| 142 | gst_static_pad_template_get(&sink_factory)); |
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| 143 | gst_element_class_set_details(element_class, &roarsink_details); |
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| 144 | } |
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| 145 | |
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| 146 | static void gst_roarsink_class_init (GstRoarSinkClass * klass) { |
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| 147 | GObjectClass *gobject_class; |
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| 148 | GstBaseSinkClass *gstbasesink_class; |
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| 149 | GstBaseAudioSinkClass *gstbaseaudiosink_class; |
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| 150 | GstAudioSinkClass *gstaudiosink_class; |
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| 151 | |
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| 152 | gobject_class = (GObjectClass *) klass; |
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| 153 | gstbasesink_class = (GstBaseSinkClass *) klass; |
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| 154 | gstbaseaudiosink_class = (GstBaseAudioSinkClass *) klass; |
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| 155 | gstaudiosink_class = (GstAudioSinkClass *) klass; |
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| 156 | |
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| 157 | parent_class = g_type_class_peek_parent(klass); |
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| 158 | |
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| 159 | gobject_class->finalize = gst_roarsink_finalize; |
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| 160 | |
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| 161 | gstbasesink_class->get_caps = GST_DEBUG_FUNCPTR(gst_roarsink_getcaps); |
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| 162 | |
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| 163 | gstaudiosink_class->open = GST_DEBUG_FUNCPTR(gst_roarsink_open); |
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| 164 | gstaudiosink_class->close = GST_DEBUG_FUNCPTR(gst_roarsink_close); |
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| 165 | gstaudiosink_class->prepare = GST_DEBUG_FUNCPTR(gst_roarsink_prepare); |
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| 166 | gstaudiosink_class->unprepare = GST_DEBUG_FUNCPTR(gst_roarsink_unprepare); |
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| 167 | gstaudiosink_class->write = GST_DEBUG_FUNCPTR(gst_roarsink_write); |
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| 168 | gstaudiosink_class->delay = GST_DEBUG_FUNCPTR(gst_roarsink_delay); |
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| 169 | gstaudiosink_class->reset = GST_DEBUG_FUNCPTR(gst_roarsink_reset); |
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| 170 | |
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| 171 | gobject_class->set_property = gst_roarsink_set_property; |
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| 172 | gobject_class->get_property = gst_roarsink_get_property; |
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| 173 | |
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| 174 | /* default value is filled in the _init method */ |
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| 175 | g_object_class_install_property(gobject_class, PROP_HOST, |
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| 176 | g_param_spec_string("host", "Host", |
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| 177 | "The host running the RoarAudio daemon", NULL, G_PARAM_READWRITE)); |
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| 178 | } |
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| 179 | |
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| 180 | static void gst_roarsink_init (GstRoarSink * roarsink, GstRoarSinkClass * klass) { |
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| 181 | memset(&(roarsink->con), 0, sizeof(roarsink->con)); |
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[2075] | 182 | roar_connect_fh(&(roarsink->con), -1); |
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[1600] | 183 | roarsink->fd = -1; |
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| 184 | roarsink->host = NULL; |
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| 185 | } |
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| 186 | |
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| 187 | static void gst_roarsink_finalize (GObject * object) { |
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| 188 | GstRoarSink *roarsink = GST_ROARSINK(object); |
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| 189 | |
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| 190 | gst_caps_replace(&roarsink->cur_caps, NULL); |
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| 191 | if ( roarsink->host != NULL ) |
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| 192 | g_free(roarsink->host); |
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| 193 | |
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| 194 | G_OBJECT_CLASS(parent_class)->finalize(object); |
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| 195 | } |
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| 196 | |
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| 197 | static GstCaps * gst_roarsink_getcaps (GstBaseSink * bsink) { |
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| 198 | GstRoarSink *roarsink; |
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| 199 | |
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| 200 | roarsink = GST_ROARSINK(bsink); |
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| 201 | |
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| 202 | /* no fd, we're done with the template caps */ |
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[2075] | 203 | if (roar_get_connection_fh(&(roarsink->con)) < 0 || roarsink->cur_caps == NULL) { |
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[1600] | 204 | GST_LOG_OBJECT(roarsink, "getcaps called, returning template caps"); |
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| 205 | return NULL; |
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| 206 | } |
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| 207 | |
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| 208 | GST_LOG_OBJECT(roarsink, "returning %" GST_PTR_FORMAT, roarsink->cur_caps); |
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| 209 | |
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| 210 | return gst_caps_ref(roarsink->cur_caps); |
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| 211 | } |
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| 212 | |
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| 213 | static gboolean gst_roarsink_open(GstAudioSink * asink) { |
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| 214 | GstPadTemplate *pad_template; |
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| 215 | GstRoarSink *roarsink; |
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| 216 | gint i; |
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| 217 | struct roar_stream oinfo; |
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| 218 | |
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| 219 | roarsink = GST_ROARSINK(asink); |
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| 220 | |
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| 221 | GST_DEBUG_OBJECT(roarsink, "open"); |
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| 222 | |
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| 223 | /* now try to connect to any existing/running sound daemons */ |
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| 224 | if ( roar_simple_connect(&(roarsink->con), roarsink->host, "gstreamer client") == -1 ) |
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| 225 | goto couldnt_connect; |
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| 226 | |
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| 227 | /* get server info */ |
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| 228 | if ( roar_server_oinfo(&(roarsink->con), &oinfo) == -1 ) |
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| 229 | goto no_server_info; |
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| 230 | |
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| 231 | GST_INFO_OBJECT(roarsink, "got server info rate: %i", oinfo.info.rate); |
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| 232 | |
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| 233 | pad_template = gst_static_pad_template_get(&sink_factory); |
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| 234 | roarsink->cur_caps = gst_caps_copy(gst_pad_template_get_caps(pad_template)); |
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| 235 | |
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| 236 | for (i = 0; i < roarsink->cur_caps->structs->len; i++) { |
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| 237 | GstStructure *s; |
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| 238 | |
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| 239 | s = gst_caps_get_structure(roarsink->cur_caps, i); |
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| 240 | gst_structure_set(s, "rate", G_TYPE_INT, oinfo.info.rate, NULL); |
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| 241 | } |
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| 242 | |
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| 243 | GST_INFO_OBJECT(roarsink, "server caps: %" GST_PTR_FORMAT, roarsink->cur_caps); |
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| 244 | |
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| 245 | return TRUE; |
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| 246 | |
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| 247 | /* ERRORS */ |
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| 248 | couldnt_connect: |
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| 249 | { |
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| 250 | GST_ELEMENT_ERROR(roarsink, RESOURCE, OPEN_WRITE, |
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| 251 | (_("Could not establish connection to sound server")), |
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[2565] | 252 | ("can't open connection to RoarAudio server")); |
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[1600] | 253 | return FALSE; |
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| 254 | } |
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| 255 | no_server_info: |
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| 256 | { |
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| 257 | GST_ELEMENT_ERROR(roarsink, RESOURCE, OPEN_WRITE, |
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| 258 | (_("Failed to query sound server capabilities")), |
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| 259 | ("couldn't get server info!")); |
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| 260 | return FALSE; |
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| 261 | } |
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| 262 | } |
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| 263 | |
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| 264 | static gboolean gst_roarsink_close (GstAudioSink * asink) { |
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| 265 | GstRoarSink *roarsink = GST_ROARSINK(asink); |
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| 266 | |
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| 267 | GST_DEBUG_OBJECT(roarsink, "close"); |
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| 268 | |
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| 269 | gst_caps_replace(&roarsink->cur_caps, NULL); |
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| 270 | |
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| 271 | roar_disconnect(&(roarsink->con)); |
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| 272 | |
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| 273 | if ( roarsink->fd != -1 ) |
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| 274 | close(roarsink->fd); |
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| 275 | |
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| 276 | return TRUE; |
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| 277 | } |
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| 278 | |
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| 279 | static gboolean gst_roarsink_prepare (GstAudioSink * asink, GstRingBufferSpec * spec) { |
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| 280 | GstRoarSink *roarsink = GST_ROARSINK(asink); |
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[2561] | 281 | int codec = ROAR_CODEC_DEFAULT; |
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[2562] | 282 | int bits = spec->depth; |
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[1600] | 283 | |
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| 284 | GST_DEBUG_OBJECT(roarsink, "prepare"); |
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| 285 | |
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| 286 | |
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[2565] | 287 | GST_INFO_OBJECT(roarsink, "attempting to open data connection to RoarAudio server"); |
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[1600] | 288 | |
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[2561] | 289 | switch (spec->type) { |
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| 290 | case GST_BUFTYPE_LINEAR: |
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| 291 | switch (spec->sign) { |
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| 292 | case TRUE: |
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| 293 | switch (spec->bigend) { |
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| 294 | case TRUE: codec = ROAR_CODEC_PCM_S_BE; break; |
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| 295 | case FALSE: codec = ROAR_CODEC_PCM_S_LE; break; |
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| 296 | default: return FALSE; break; |
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| 297 | } |
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| 298 | break; |
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| 299 | case FALSE: |
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| 300 | switch (spec->bigend) { |
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| 301 | case TRUE: codec = ROAR_CODEC_PCM_U_BE; break; |
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| 302 | case FALSE: codec = ROAR_CODEC_PCM_U_LE; break; |
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| 303 | default: return FALSE; break; |
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| 304 | } |
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| 305 | break; |
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| 306 | default: return FALSE; break; |
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| 307 | } |
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| 308 | break; |
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[2562] | 309 | case GST_BUFTYPE_A_LAW: |
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| 310 | codec = ROAR_CODEC_ALAW; |
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| 311 | bits = 8; |
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| 312 | break; |
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| 313 | case GST_BUFTYPE_MU_LAW: |
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| 314 | codec = ROAR_CODEC_MULAW; |
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| 315 | bits = 8; |
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| 316 | break; |
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[2561] | 317 | default: |
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| 318 | return FALSE; |
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| 319 | } |
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| 320 | |
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[2562] | 321 | roarsink->fd = roar_simple_new_stream(&(roarsink->con), spec->rate, spec->channels, bits, |
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[2561] | 322 | codec, ROAR_DIR_PLAY); |
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[1600] | 323 | |
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| 324 | if ( roarsink->fd == -1 ) |
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| 325 | goto cannot_open; |
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| 326 | |
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| 327 | roarsink->rate = spec->rate; |
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| 328 | |
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| 329 | spec->segsize = ROAR_BUF_SIZE; |
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| 330 | spec->segtotal = (ROAR_MAX_WRITE_SIZE / spec->segsize); |
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| 331 | |
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| 332 | /* FIXME: this is wrong for signed ints (and the |
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| 333 | * audioringbuffers should do it for us anyway) */ |
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[2564] | 334 | spec->bytes_per_sample = spec->channels * bits / 8; |
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| 335 | memset(&(spec->silence_sample), 0, sizeof(spec->silence_sample)); |
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[1600] | 336 | |
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[2565] | 337 | GST_INFO_OBJECT(roarsink, "successfully opened connection to RoarAudio server"); |
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[1600] | 338 | |
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| 339 | return TRUE; |
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| 340 | |
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| 341 | /* ERRORS */ |
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| 342 | cannot_open: |
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| 343 | { |
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| 344 | GST_ELEMENT_ERROR(roarsink, RESOURCE, OPEN_WRITE, |
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| 345 | (_("Could not establish connection to sound server")), |
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| 346 | ("can't open connection to RoarAudio server")); |
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| 347 | return FALSE; |
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| 348 | } |
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| 349 | } |
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| 350 | |
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| 351 | static gboolean gst_roarsink_unprepare (GstAudioSink * asink) { |
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| 352 | GstRoarSink *roarsink = GST_ROARSINK(asink); |
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| 353 | |
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[2075] | 354 | if ((roarsink->fd == -1) && (roar_get_connection_fh(&(roarsink->con)) == -1)) |
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[1600] | 355 | return TRUE; |
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| 356 | |
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| 357 | close(roarsink->fd); |
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| 358 | roarsink->fd = -1; |
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| 359 | |
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| 360 | GST_INFO_OBJECT(roarsink, "closed sound device"); |
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| 361 | |
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| 362 | return TRUE; |
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| 363 | } |
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| 364 | |
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| 365 | |
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| 366 | static guint gst_roarsink_write (GstAudioSink * asink, gpointer data, guint length) { |
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| 367 | GstRoarSink *roarsink = GST_ROARSINK(asink); |
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| 368 | gint to_write = 0; |
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| 369 | |
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| 370 | to_write = length; |
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| 371 | |
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| 372 | while (to_write > 0) { |
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| 373 | int done; |
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| 374 | |
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| 375 | done = write(roarsink->fd, data, to_write); |
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| 376 | |
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| 377 | if (done < 0) |
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| 378 | goto write_error; |
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| 379 | |
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| 380 | to_write -= done; |
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| 381 | data += done; |
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| 382 | } |
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| 383 | return length; |
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| 384 | |
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| 385 | /* ERRORS */ |
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| 386 | write_error: |
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| 387 | { |
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| 388 | GST_ELEMENT_ERROR(roarsink, RESOURCE, WRITE, |
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| 389 | ("Failed to write data to the RoarAudio daemon"), GST_ERROR_SYSTEM); |
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| 390 | return 0; |
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| 391 | } |
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| 392 | } |
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| 393 | |
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| 394 | static guint gst_roarsink_delay (GstAudioSink * asink) { |
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| 395 | // GstRoarSink *roarsink = GST_ROARSINK (asink); |
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| 396 | guint latency; |
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| 397 | |
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| 398 | latency = 441; // compile type depending and link level deppendent, |
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| 399 | // use default value for local operations here for the moment |
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| 400 | |
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| 401 | GST_DEBUG_OBJECT(asink, "got latency: %u", latency); |
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| 402 | |
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| 403 | return latency; |
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| 404 | } |
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| 405 | |
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| 406 | static void gst_roarsink_reset (GstAudioSink * asink) { |
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| 407 | GST_DEBUG_OBJECT(asink, "reset called"); |
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| 408 | } |
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| 409 | |
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| 410 | static void gst_roarsink_set_property (GObject * object, guint prop_id, const GValue * value, |
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| 411 | GParamSpec * pspec) { |
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| 412 | GstRoarSink *roarsink = GST_ROARSINK(object); |
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| 413 | |
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| 414 | switch (prop_id) { |
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| 415 | case PROP_HOST: |
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| 416 | if ( roarsink->host != NULL ) |
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| 417 | g_free(roarsink->host); |
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| 418 | roarsink->host = g_value_dup_string(value); |
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| 419 | break; |
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| 420 | default: |
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| 421 | break; |
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| 422 | } |
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| 423 | } |
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| 424 | |
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| 425 | static void gst_roarsink_get_property (GObject * object, guint prop_id, GValue * value, |
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| 426 | GParamSpec * pspec) { |
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| 427 | GstRoarSink *roarsink = GST_ROARSINK(object); |
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| 428 | |
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| 429 | switch (prop_id) { |
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| 430 | case PROP_HOST: |
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| 431 | g_value_set_string(value, roarsink->host); |
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| 432 | break; |
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| 433 | default: |
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| 434 | G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec); |
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| 435 | break; |
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| 436 | } |
---|
| 437 | } |
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| 438 | |
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| 439 | gboolean gst_roarsink_factory_init (GstPlugin * plugin) { |
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| 440 | if (!gst_element_register(plugin, "roarsink", GST_RANK_MARGINAL, |
---|
| 441 | GST_TYPE_ROARSINK)) |
---|
| 442 | return FALSE; |
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| 443 | |
---|
| 444 | return TRUE; |
---|
| 445 | } |
---|