author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Thu, 17 Dec 2009 08:53:32 +0200 | |
changeset 0 | 0e761a78d257 |
child 8 | 4a7fac7dd34a |
permissions | -rw-r--r-- |
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/* GStreamer |
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* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu> |
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* 2005 Wim Taymans <wim@fluendo.com> |
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* |
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* gstbaseaudiosrc.c: |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Library General Public |
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* License as published by the Free Software Foundation; either |
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* version 2 of the License, or (at your option) any later version. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Library General Public License for more details. |
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* |
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* You should have received a copy of the GNU Library General Public |
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* License along with this library; if not, write to the |
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
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* Boston, MA 02111-1307, USA. |
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*/ |
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|
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/** |
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* SECTION:gstbaseaudiosrc |
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* @short_description: Base class for audio sources |
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* @see_also: #GstAudioSrc, #GstRingBuffer. |
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* |
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* This is the base class for audio sources. Subclasses need to implement the |
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* ::create_ringbuffer vmethod. This base class will then take care of |
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* reading samples from the ringbuffer, synchronisation and flushing. |
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* |
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* Last reviewed on 2006-09-27 (0.10.12) |
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*/ |
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#ifdef HAVE_CONFIG_H |
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# include "config.h" |
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#endif |
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#include <string.h> |
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#include "gstbaseaudiosrc.h" |
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#include "gst/gst-i18n-plugin.h" |
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#ifdef __SYMBIAN32__ |
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#include <glib_global.h> |
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#endif |
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GST_DEBUG_CATEGORY_STATIC (gst_base_audio_src_debug); |
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#define GST_CAT_DEFAULT gst_base_audio_src_debug |
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#define GST_BASE_AUDIO_SRC_GET_PRIVATE(obj) \ |
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(G_TYPE_INSTANCE_GET_PRIVATE ((obj), GST_TYPE_BASE_AUDIO_SRC, GstBaseAudioSrcPrivate)) |
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struct _GstBaseAudioSrcPrivate |
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{ |
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gboolean provide_clock; |
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}; |
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/* BaseAudioSrc signals and args */ |
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enum |
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{ |
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/* FILL ME */ |
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LAST_SIGNAL |
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}; |
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#define DEFAULT_BUFFER_TIME ((200 * GST_MSECOND) / GST_USECOND) |
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#define DEFAULT_LATENCY_TIME ((10 * GST_MSECOND) / GST_USECOND) |
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#define DEFAULT_PROVIDE_CLOCK TRUE |
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enum |
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{ |
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PROP_0, |
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PROP_BUFFER_TIME, |
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PROP_LATENCY_TIME, |
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PROP_PROVIDE_CLOCK |
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}; |
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static void |
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_do_init (GType type) |
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{ |
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GST_DEBUG_CATEGORY_INIT (gst_base_audio_src_debug, "baseaudiosrc", 0, |
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"baseaudiosrc element"); |
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#ifdef ENABLE_NLS |
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GST_DEBUG ("binding text domain %s to locale dir %s", GETTEXT_PACKAGE, |
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LOCALEDIR); |
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bindtextdomain (GETTEXT_PACKAGE, LOCALEDIR); |
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#endif /* ENABLE_NLS */ |
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} |
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GST_BOILERPLATE_FULL (GstBaseAudioSrc, gst_base_audio_src, GstPushSrc, |
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GST_TYPE_PUSH_SRC, _do_init); |
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static void gst_base_audio_src_set_property (GObject * object, guint prop_id, |
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const GValue * value, GParamSpec * pspec); |
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static void gst_base_audio_src_get_property (GObject * object, guint prop_id, |
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GValue * value, GParamSpec * pspec); |
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static void gst_base_audio_src_dispose (GObject * object); |
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static GstStateChangeReturn gst_base_audio_src_change_state (GstElement * |
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element, GstStateChange transition); |
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103 |
|
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static GstClock *gst_base_audio_src_provide_clock (GstElement * elem); |
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static GstClockTime gst_base_audio_src_get_time (GstClock * clock, |
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106 |
GstBaseAudioSrc * src); |
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107 |
|
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static GstFlowReturn gst_base_audio_src_create (GstBaseSrc * bsrc, |
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guint64 offset, guint length, GstBuffer ** buf); |
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static gboolean gst_base_audio_src_check_get_range (GstBaseSrc * bsrc); |
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111 |
|
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static gboolean gst_base_audio_src_event (GstBaseSrc * bsrc, GstEvent * event); |
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static void gst_base_audio_src_get_times (GstBaseSrc * bsrc, |
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GstBuffer * buffer, GstClockTime * start, GstClockTime * end); |
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static gboolean gst_base_audio_src_setcaps (GstBaseSrc * bsrc, GstCaps * caps); |
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static gboolean gst_base_audio_src_query (GstBaseSrc * bsrc, GstQuery * query); |
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static void gst_base_audio_src_fixate (GstBaseSrc * bsrc, GstCaps * caps); |
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118 |
|
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/* static guint gst_base_audio_src_signals[LAST_SIGNAL] = { 0 }; */ |
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120 |
|
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121 |
static void |
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gst_base_audio_src_base_init (gpointer g_class) |
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123 |
{ |
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} |
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125 |
|
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126 |
static void |
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gst_base_audio_src_class_init (GstBaseAudioSrcClass * klass) |
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128 |
{ |
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GObjectClass *gobject_class; |
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GstElementClass *gstelement_class; |
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GstBaseSrcClass *gstbasesrc_class; |
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GstPushSrcClass *gstpushsrc_class; |
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133 |
|
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gobject_class = (GObjectClass *) klass; |
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gstelement_class = (GstElementClass *) klass; |
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gstbasesrc_class = (GstBaseSrcClass *) klass; |
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gstpushsrc_class = (GstPushSrcClass *) klass; |
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138 |
|
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g_type_class_add_private (klass, sizeof (GstBaseAudioSrcPrivate)); |
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140 |
|
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gobject_class->set_property = |
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GST_DEBUG_FUNCPTR (gst_base_audio_src_set_property); |
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gobject_class->get_property = |
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GST_DEBUG_FUNCPTR (gst_base_audio_src_get_property); |
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gobject_class->dispose = GST_DEBUG_FUNCPTR (gst_base_audio_src_dispose); |
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146 |
|
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g_object_class_install_property (gobject_class, PROP_BUFFER_TIME, |
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g_param_spec_int64 ("buffer-time", "Buffer Time", |
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"Size of audio buffer in microseconds", 1, |
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G_MAXINT64, DEFAULT_BUFFER_TIME, G_PARAM_READWRITE)); |
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151 |
|
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g_object_class_install_property (gobject_class, PROP_LATENCY_TIME, |
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g_param_spec_int64 ("latency-time", "Latency Time", |
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"Audio latency in microseconds", 1, |
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G_MAXINT64, DEFAULT_LATENCY_TIME, G_PARAM_READWRITE)); |
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156 |
|
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g_object_class_install_property (gobject_class, PROP_PROVIDE_CLOCK, |
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g_param_spec_boolean ("provide-clock", "Provide Clock", |
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"Provide a clock to be used as the global pipeline clock", |
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DEFAULT_PROVIDE_CLOCK, G_PARAM_READWRITE)); |
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161 |
|
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gstelement_class->change_state = |
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GST_DEBUG_FUNCPTR (gst_base_audio_src_change_state); |
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gstelement_class->provide_clock = |
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GST_DEBUG_FUNCPTR (gst_base_audio_src_provide_clock); |
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166 |
|
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gstbasesrc_class->set_caps = GST_DEBUG_FUNCPTR (gst_base_audio_src_setcaps); |
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gstbasesrc_class->event = GST_DEBUG_FUNCPTR (gst_base_audio_src_event); |
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gstbasesrc_class->query = GST_DEBUG_FUNCPTR (gst_base_audio_src_query); |
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gstbasesrc_class->get_times = |
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GST_DEBUG_FUNCPTR (gst_base_audio_src_get_times); |
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gstbasesrc_class->create = GST_DEBUG_FUNCPTR (gst_base_audio_src_create); |
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gstbasesrc_class->check_get_range = |
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GST_DEBUG_FUNCPTR (gst_base_audio_src_check_get_range); |
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gstbasesrc_class->fixate = GST_DEBUG_FUNCPTR (gst_base_audio_src_fixate); |
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176 |
|
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/* ref class from a thread-safe context to work around missing bit of |
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* thread-safety in GObject */ |
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g_type_class_ref (GST_TYPE_AUDIO_CLOCK); |
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} |
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181 |
|
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static void |
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gst_base_audio_src_init (GstBaseAudioSrc * baseaudiosrc, |
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GstBaseAudioSrcClass * g_class) |
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{ |
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baseaudiosrc->priv = GST_BASE_AUDIO_SRC_GET_PRIVATE (baseaudiosrc); |
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187 |
|
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baseaudiosrc->buffer_time = DEFAULT_BUFFER_TIME; |
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baseaudiosrc->latency_time = DEFAULT_LATENCY_TIME; |
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baseaudiosrc->priv->provide_clock = DEFAULT_PROVIDE_CLOCK; |
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/* reset blocksize we use latency time to calculate a more useful |
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* value based on negotiated format. */ |
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GST_BASE_SRC (baseaudiosrc)->blocksize = 0; |
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194 |
|
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baseaudiosrc->clock = gst_audio_clock_new ("GstAudioSrcClock", |
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(GstAudioClockGetTimeFunc) gst_base_audio_src_get_time, baseaudiosrc); |
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197 |
|
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198 |
/* we are always a live source */ |
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gst_base_src_set_live (GST_BASE_SRC (baseaudiosrc), TRUE); |
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/* we operate in time */ |
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|
201 |
gst_base_src_set_format (GST_BASE_SRC (baseaudiosrc), GST_FORMAT_TIME); |
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|
202 |
} |
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|
203 |
|
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|
204 |
static void |
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|
205 |
gst_base_audio_src_dispose (GObject * object) |
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|
206 |
{ |
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|
207 |
GstBaseAudioSrc *src; |
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|
208 |
|
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|
209 |
src = GST_BASE_AUDIO_SRC (object); |
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|
210 |
|
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|
211 |
if (src->clock) |
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|
212 |
gst_object_unref (src->clock); |
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|
213 |
src->clock = NULL; |
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|
214 |
|
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|
215 |
if (src->ringbuffer) { |
0e761a78d257
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|
216 |
gst_object_unparent (GST_OBJECT_CAST (src->ringbuffer)); |
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|
217 |
src->ringbuffer = NULL; |
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|
218 |
} |
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|
219 |
|
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|
220 |
G_OBJECT_CLASS (parent_class)->dispose (object); |
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|
221 |
} |
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|
222 |
|
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|
223 |
static GstClock * |
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|
224 |
gst_base_audio_src_provide_clock (GstElement * elem) |
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|
225 |
{ |
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|
226 |
GstBaseAudioSrc *src; |
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|
227 |
GstClock *clock; |
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|
228 |
|
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|
229 |
src = GST_BASE_AUDIO_SRC (elem); |
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|
230 |
|
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|
231 |
/* we have no ringbuffer (must be NULL state) */ |
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|
232 |
if (src->ringbuffer == NULL) |
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|
233 |
goto wrong_state; |
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|
234 |
|
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|
235 |
if (!gst_ring_buffer_is_acquired (src->ringbuffer)) |
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|
236 |
goto wrong_state; |
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diff
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|
237 |
|
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|
238 |
GST_OBJECT_LOCK (src); |
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|
239 |
if (!src->priv->provide_clock) |
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|
240 |
goto clock_disabled; |
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diff
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|
241 |
|
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|
242 |
clock = GST_CLOCK_CAST (gst_object_ref (src->clock)); |
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diff
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|
243 |
GST_OBJECT_UNLOCK (src); |
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|
244 |
|
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|
245 |
return clock; |
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diff
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|
246 |
|
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Revision: 200949
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diff
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|
247 |
/* ERRORS */ |
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|
248 |
wrong_state: |
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|
249 |
{ |
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|
250 |
GST_DEBUG_OBJECT (src, "ringbuffer not acquired"); |
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|
251 |
return NULL; |
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diff
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|
252 |
} |
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|
253 |
clock_disabled: |
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diff
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|
254 |
{ |
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Revision: 200949
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diff
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|
255 |
GST_DEBUG_OBJECT (src, "clock provide disabled"); |
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|
256 |
GST_OBJECT_UNLOCK (src); |
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Revision: 200949
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diff
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|
257 |
return NULL; |
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Revision: 200949
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diff
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|
258 |
} |
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Revision: 200949
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diff
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|
259 |
} |
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diff
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|
260 |
|
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Revision: 200949
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parents:
diff
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|
261 |
static GstClockTime |
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Revision: 200949
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parents:
diff
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|
262 |
gst_base_audio_src_get_time (GstClock * clock, GstBaseAudioSrc * src) |
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diff
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|
263 |
{ |
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Revision: 200949
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parents:
diff
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|
264 |
guint64 raw, samples; |
0e761a78d257
Revision: 200949
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parents:
diff
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|
265 |
guint delay; |
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Revision: 200949
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parents:
diff
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|
266 |
GstClockTime result; |
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Revision: 200949
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parents:
diff
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|
267 |
|
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Revision: 200949
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diff
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|
268 |
if (G_UNLIKELY (src->ringbuffer == NULL || src->ringbuffer->spec.rate == 0)) |
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Revision: 200949
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parents:
diff
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|
269 |
return GST_CLOCK_TIME_NONE; |
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Revision: 200949
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parents:
diff
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|
270 |
|
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Revision: 200949
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|
271 |
raw = samples = gst_ring_buffer_samples_done (src->ringbuffer); |
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|
272 |
|
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|
273 |
/* the number of samples not yet processed, this is still queued in the |
0e761a78d257
Revision: 200949
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diff
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|
274 |
* device (not yet read for capture). */ |
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Revision: 200949
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parents:
diff
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|
275 |
delay = gst_ring_buffer_delay (src->ringbuffer); |
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Revision: 200949
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diff
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|
276 |
|
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diff
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|
277 |
samples += delay; |
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parents:
diff
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|
278 |
|
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parents:
diff
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|
279 |
result = gst_util_uint64_scale_int (samples, GST_SECOND, |
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Revision: 200949
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diff
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|
280 |
src->ringbuffer->spec.rate); |
0e761a78d257
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parents:
diff
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|
281 |
|
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parents:
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|
282 |
GST_DEBUG_OBJECT (src, |
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Revision: 200949
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diff
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|
283 |
"processed samples: raw %llu, delay %u, real %llu, time %" |
0e761a78d257
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parents:
diff
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|
284 |
GST_TIME_FORMAT, raw, delay, samples, GST_TIME_ARGS (result)); |
0e761a78d257
Revision: 200949
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parents:
diff
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|
285 |
|
0e761a78d257
Revision: 200949
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parents:
diff
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|
286 |
return result; |
0e761a78d257
Revision: 200949
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parents:
diff
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|
287 |
} |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
288 |
|
0e761a78d257
Revision: 200949
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parents:
diff
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|
289 |
static gboolean |
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Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
290 |
gst_base_audio_src_check_get_range (GstBaseSrc * bsrc) |
0e761a78d257
Revision: 200949
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parents:
diff
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|
291 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
292 |
/* we allow limited pull base operation of which the details |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
293 |
* will eventually exposed in an as of yet non-existing query. |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
294 |
* Basically pulling can be done on any number of bytes as long |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
295 |
* as the offset is -1 or sequentially increasing. */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
296 |
return TRUE; |
0e761a78d257
Revision: 200949
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parents:
diff
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|
297 |
} |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
298 |
|
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
299 |
/** |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
300 |
* gst_base_audio_src_set_provide_clock: |
0e761a78d257
Revision: 200949
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parents:
diff
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|
301 |
* @src: a #GstBaseAudioSrc |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
302 |
* @provide: new state |
0e761a78d257
Revision: 200949
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parents:
diff
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|
303 |
* |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
304 |
* Controls whether @src will provide a clock or not. If @provide is %TRUE, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
305 |
* gst_element_provide_clock() will return a clock that reflects the datarate |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
306 |
* of @src. If @provide is %FALSE, gst_element_provide_clock() will return NULL. |
0e761a78d257
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diff
changeset
|
307 |
* |
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diff
changeset
|
308 |
* Since: 0.10.16 |
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diff
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|
309 |
*/ |
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Revision: 200949
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parents:
diff
changeset
|
310 |
#ifdef __SYMBIAN32__ |
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diff
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|
311 |
EXPORT_C |
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diff
changeset
|
312 |
#endif |
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parents:
diff
changeset
|
313 |
|
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Revision: 200949
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diff
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|
314 |
void |
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parents:
diff
changeset
|
315 |
gst_base_audio_src_set_provide_clock (GstBaseAudioSrc * src, gboolean provide) |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
316 |
{ |
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Revision: 200949
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parents:
diff
changeset
|
317 |
g_return_if_fail (GST_IS_BASE_AUDIO_SRC (src)); |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
318 |
|
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Revision: 200949
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parents:
diff
changeset
|
319 |
GST_OBJECT_LOCK (src); |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
320 |
src->priv->provide_clock = provide; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
321 |
GST_OBJECT_UNLOCK (src); |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
322 |
} |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
323 |
|
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
324 |
/** |
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Revision: 200949
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parents:
diff
changeset
|
325 |
* gst_base_audio_src_get_provide_clock: |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
326 |
* @src: a #GstBaseAudioSrc |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
327 |
* |
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Revision: 200949
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parents:
diff
changeset
|
328 |
* Queries whether @src will provide a clock or not. See also |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
329 |
* gst_base_audio_src_set_provide_clock. |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
330 |
* |
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Revision: 200949
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parents:
diff
changeset
|
331 |
* Returns: %TRUE if @src will provide a clock. |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
332 |
* |
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Revision: 200949
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parents:
diff
changeset
|
333 |
* Since: 0.10.16 |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
334 |
*/ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
335 |
#ifdef __SYMBIAN32__ |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
336 |
EXPORT_C |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
337 |
#endif |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
338 |
|
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
339 |
gboolean |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
340 |
gst_base_audio_src_get_provide_clock (GstBaseAudioSrc * src) |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
341 |
{ |
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Revision: 200949
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parents:
diff
changeset
|
342 |
gboolean result; |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
343 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
344 |
g_return_val_if_fail (GST_IS_BASE_AUDIO_SRC (src), FALSE); |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
345 |
|
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
346 |
GST_OBJECT_LOCK (src); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
347 |
result = src->priv->provide_clock; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
348 |
GST_OBJECT_UNLOCK (src); |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
349 |
|
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Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
350 |
return result; |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
351 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
352 |
|
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
353 |
static void |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
354 |
gst_base_audio_src_set_property (GObject * object, guint prop_id, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
355 |
const GValue * value, GParamSpec * pspec) |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
356 |
{ |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
357 |
GstBaseAudioSrc *src; |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
358 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
359 |
src = GST_BASE_AUDIO_SRC (object); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
360 |
|
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
361 |
switch (prop_id) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
362 |
case PROP_BUFFER_TIME: |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
363 |
src->buffer_time = g_value_get_int64 (value); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
364 |
break; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
365 |
case PROP_LATENCY_TIME: |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
366 |
src->latency_time = g_value_get_int64 (value); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
367 |
break; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
368 |
case PROP_PROVIDE_CLOCK: |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
369 |
gst_base_audio_src_set_provide_clock (src, g_value_get_boolean (value)); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
370 |
break; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
371 |
default: |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
372 |
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
373 |
break; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
374 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
375 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
376 |
|
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
377 |
static void |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
378 |
gst_base_audio_src_get_property (GObject * object, guint prop_id, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
379 |
GValue * value, GParamSpec * pspec) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
380 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
381 |
GstBaseAudioSrc *src; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
382 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
383 |
src = GST_BASE_AUDIO_SRC (object); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
384 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
385 |
switch (prop_id) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
386 |
case PROP_BUFFER_TIME: |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
387 |
g_value_set_int64 (value, src->buffer_time); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
388 |
break; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
389 |
case PROP_LATENCY_TIME: |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
390 |
g_value_set_int64 (value, src->latency_time); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
391 |
break; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
392 |
case PROP_PROVIDE_CLOCK: |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
393 |
g_value_set_boolean (value, gst_base_audio_src_get_provide_clock (src)); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
394 |
break; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
395 |
default: |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
396 |
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
397 |
break; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
398 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
399 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
400 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
401 |
static void |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
402 |
gst_base_audio_src_fixate (GstBaseSrc * bsrc, GstCaps * caps) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
403 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
404 |
GstStructure *s; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
405 |
gint width, depth; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
406 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
407 |
s = gst_caps_get_structure (caps, 0); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
408 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
409 |
/* fields for all formats */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
410 |
gst_structure_fixate_field_nearest_int (s, "rate", 44100); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
411 |
gst_structure_fixate_field_nearest_int (s, "channels", 2); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
412 |
gst_structure_fixate_field_nearest_int (s, "width", 16); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
413 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
414 |
/* fields for int */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
415 |
if (gst_structure_has_field (s, "depth")) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
416 |
gst_structure_get_int (s, "width", &width); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
417 |
/* round width to nearest multiple of 8 for the depth */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
418 |
depth = GST_ROUND_UP_8 (width); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
419 |
gst_structure_fixate_field_nearest_int (s, "depth", depth); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
420 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
421 |
if (gst_structure_has_field (s, "signed")) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
422 |
gst_structure_fixate_field_boolean (s, "signed", TRUE); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
423 |
if (gst_structure_has_field (s, "endianness")) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
424 |
gst_structure_fixate_field_nearest_int (s, "endianness", G_BYTE_ORDER); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
425 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
426 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
427 |
static gboolean |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
428 |
gst_base_audio_src_setcaps (GstBaseSrc * bsrc, GstCaps * caps) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
429 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
430 |
GstBaseAudioSrc *src = GST_BASE_AUDIO_SRC (bsrc); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
431 |
GstRingBufferSpec *spec; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
432 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
433 |
spec = &src->ringbuffer->spec; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
434 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
435 |
spec->buffer_time = src->buffer_time; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
436 |
spec->latency_time = src->latency_time; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
437 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
438 |
if (!gst_ring_buffer_parse_caps (spec, caps)) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
439 |
goto parse_error; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
440 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
441 |
/* calculate suggested segsize and segtotal */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
442 |
spec->segsize = |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
443 |
spec->rate * spec->bytes_per_sample * spec->latency_time / GST_MSECOND; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
444 |
spec->segtotal = spec->buffer_time / spec->latency_time; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
445 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
446 |
GST_DEBUG ("release old ringbuffer"); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
447 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
448 |
gst_ring_buffer_release (src->ringbuffer); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
449 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
450 |
gst_ring_buffer_debug_spec_buff (spec); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
451 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
452 |
GST_DEBUG ("acquire new ringbuffer"); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
453 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
454 |
if (!gst_ring_buffer_acquire (src->ringbuffer, spec)) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
455 |
goto acquire_error; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
456 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
457 |
/* calculate actual latency and buffer times */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
458 |
spec->latency_time = |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
459 |
spec->segsize * GST_MSECOND / (spec->rate * spec->bytes_per_sample); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
460 |
spec->buffer_time = |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
461 |
spec->segtotal * spec->segsize * GST_MSECOND / (spec->rate * |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
462 |
spec->bytes_per_sample); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
463 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
464 |
gst_ring_buffer_debug_spec_buff (spec); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
465 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
466 |
return TRUE; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
467 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
468 |
/* ERRORS */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
469 |
parse_error: |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
470 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
471 |
GST_DEBUG ("could not parse caps"); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
472 |
return FALSE; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
473 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
474 |
acquire_error: |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
475 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
476 |
GST_DEBUG ("could not acquire ringbuffer"); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
477 |
return FALSE; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
478 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
479 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
480 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
481 |
static void |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
482 |
gst_base_audio_src_get_times (GstBaseSrc * bsrc, GstBuffer * buffer, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
483 |
GstClockTime * start, GstClockTime * end) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
484 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
485 |
/* no need to sync to a clock here, we schedule the samples based |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
486 |
* on our own clock for the moment. */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
487 |
*start = GST_CLOCK_TIME_NONE; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
488 |
*end = GST_CLOCK_TIME_NONE; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
489 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
490 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
491 |
static gboolean |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
492 |
gst_base_audio_src_query (GstBaseSrc * bsrc, GstQuery * query) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
493 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
494 |
GstBaseAudioSrc *src = GST_BASE_AUDIO_SRC (bsrc); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
495 |
gboolean res = FALSE; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
496 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
497 |
switch (GST_QUERY_TYPE (query)) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
498 |
case GST_QUERY_LATENCY: |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
499 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
500 |
GstClockTime min_latency, max_latency; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
501 |
GstRingBufferSpec *spec; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
502 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
503 |
if (G_UNLIKELY (src->ringbuffer == NULL |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
504 |
|| src->ringbuffer->spec.rate == 0)) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
505 |
goto done; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
506 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
507 |
spec = &src->ringbuffer->spec; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
508 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
509 |
/* we have at least 1 segment of latency */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
510 |
min_latency = |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
511 |
gst_util_uint64_scale_int (spec->segsize, GST_SECOND, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
512 |
spec->rate * spec->bytes_per_sample); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
513 |
/* we cannot delay more than the buffersize else we lose data */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
514 |
max_latency = |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
515 |
gst_util_uint64_scale_int (spec->segtotal * spec->segsize, GST_SECOND, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
516 |
spec->rate * spec->bytes_per_sample); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
517 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
518 |
GST_DEBUG_OBJECT (src, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
519 |
"report latency min %" GST_TIME_FORMAT " max %" GST_TIME_FORMAT, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
520 |
GST_TIME_ARGS (min_latency), GST_TIME_ARGS (max_latency)); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
521 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
522 |
/* we are always live, the min latency is 1 segment and the max latency is |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
523 |
* the complete buffer of segments. */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
524 |
gst_query_set_latency (query, TRUE, min_latency, max_latency); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
525 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
526 |
res = TRUE; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
527 |
break; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
528 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
529 |
default: |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
530 |
res = GST_BASE_SRC_CLASS (parent_class)->query (bsrc, query); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
531 |
break; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
532 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
533 |
done: |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
534 |
return res; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
535 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
536 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
537 |
static gboolean |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
538 |
gst_base_audio_src_event (GstBaseSrc * bsrc, GstEvent * event) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
539 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
540 |
GstBaseAudioSrc *src = GST_BASE_AUDIO_SRC (bsrc); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
541 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
542 |
switch (GST_EVENT_TYPE (event)) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
543 |
case GST_EVENT_FLUSH_START: |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
544 |
gst_ring_buffer_pause (src->ringbuffer); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
545 |
gst_ring_buffer_clear_all (src->ringbuffer); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
546 |
break; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
547 |
case GST_EVENT_FLUSH_STOP: |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
548 |
/* always resync on sample after a flush */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
549 |
src->next_sample = -1; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
550 |
gst_ring_buffer_clear_all (src->ringbuffer); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
551 |
break; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
552 |
default: |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
553 |
break; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
554 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
555 |
return TRUE; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
556 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
557 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
558 |
/* get the next offset in the ringbuffer for reading samples. |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
559 |
* If the next sample is too far away, this function will position itself to the |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
560 |
* next most recent sample, creating discontinuity */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
561 |
static guint64 |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
562 |
gst_base_audio_src_get_offset (GstBaseAudioSrc * src) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
563 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
564 |
guint64 sample; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
565 |
gint readseg, segdone, segtotal, sps; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
566 |
gint diff; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
567 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
568 |
/* assume we can append to the previous sample */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
569 |
sample = src->next_sample; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
570 |
/* no previous sample, try to read from position 0 */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
571 |
if (sample == -1) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
572 |
sample = 0; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
573 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
574 |
sps = src->ringbuffer->samples_per_seg; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
575 |
segtotal = src->ringbuffer->spec.segtotal; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
576 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
577 |
/* figure out the segment and the offset inside the segment where |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
578 |
* the sample should be read from. */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
579 |
readseg = sample / sps; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
580 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
581 |
/* get the currently processed segment */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
582 |
segdone = g_atomic_int_get (&src->ringbuffer->segdone) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
583 |
- src->ringbuffer->segbase; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
584 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
585 |
GST_DEBUG_OBJECT (src, "reading from %d, we are at %d", readseg, segdone); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
586 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
587 |
/* see how far away it is from the read segment, normally segdone (where new |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
588 |
* data is written in the ringbuffer) is bigger than readseg (where we are |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
589 |
* reading). */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
590 |
diff = segdone - readseg; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
591 |
if (diff >= segtotal) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
592 |
GST_DEBUG_OBJECT (src, "dropped, align to segment %d", segdone); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
593 |
/* sample would be dropped, position to next playable position */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
594 |
sample = (segdone - segtotal + 1) * sps; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
595 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
596 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
597 |
return sample; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
598 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
599 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
600 |
static GstFlowReturn |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
601 |
gst_base_audio_src_create (GstBaseSrc * bsrc, guint64 offset, guint length, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
602 |
GstBuffer ** outbuf) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
603 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
604 |
GstBaseAudioSrc *src = GST_BASE_AUDIO_SRC (bsrc); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
605 |
GstBuffer *buf; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
606 |
guchar *data; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
607 |
guint samples, total_samples; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
608 |
guint64 sample; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
609 |
gint bps; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
610 |
GstRingBuffer *ringbuffer; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
611 |
GstRingBufferSpec *spec; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
612 |
guint read; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
613 |
GstClockTime timestamp, duration; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
614 |
GstClock *clock; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
615 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
616 |
ringbuffer = src->ringbuffer; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
617 |
spec = &ringbuffer->spec; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
618 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
619 |
if (G_UNLIKELY (!gst_ring_buffer_is_acquired (ringbuffer))) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
620 |
goto wrong_state; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
621 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
622 |
bps = spec->bytes_per_sample; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
623 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
624 |
if ((length == 0 && bsrc->blocksize == 0) || length == -1) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
625 |
/* no length given, use the default segment size */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
626 |
length = spec->segsize; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
627 |
else |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
628 |
/* make sure we round down to an integral number of samples */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
629 |
length -= length % bps; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
630 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
631 |
/* figure out the offset in the ringbuffer */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
632 |
if (G_UNLIKELY (offset != -1)) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
633 |
sample = offset / bps; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
634 |
/* if a specific offset was given it must be the next sequential |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
635 |
* offset we expect or we fail for now. */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
636 |
if (src->next_sample != -1 && sample != src->next_sample) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
637 |
goto wrong_offset; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
638 |
} else { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
639 |
/* calculate the sequentially next sample we need to read. This can jump and |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
640 |
* create a DISCONT. */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
641 |
sample = gst_base_audio_src_get_offset (src); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
642 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
643 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
644 |
GST_DEBUG_OBJECT (src, "reading from sample %" G_GUINT64_FORMAT, sample); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
645 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
646 |
/* get the number of samples to read */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
647 |
total_samples = samples = length / bps; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
648 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
649 |
/* FIXME, using a bufferpool would be nice here */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
650 |
buf = gst_buffer_new_and_alloc (length); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
651 |
data = GST_BUFFER_DATA (buf); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
652 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
653 |
do { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
654 |
read = gst_ring_buffer_read (ringbuffer, sample, data, samples); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
655 |
GST_DEBUG_OBJECT (src, "read %u of %u", read, samples); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
656 |
/* if we read all, we're done */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
657 |
if (read == samples) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
658 |
break; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
659 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
660 |
/* else something interrupted us and we wait for playing again. */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
661 |
GST_DEBUG_OBJECT (src, "wait playing"); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
662 |
if (gst_base_src_wait_playing (bsrc) != GST_FLOW_OK) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
663 |
goto stopped; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
664 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
665 |
GST_DEBUG_OBJECT (src, "continue playing"); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
666 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
667 |
/* read next samples */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
668 |
sample += read; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
669 |
samples -= read; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
670 |
data += read * bps; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
671 |
} while (TRUE); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
672 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
673 |
/* mark discontinuity if needed */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
674 |
if (G_UNLIKELY (sample != src->next_sample) && src->next_sample != -1) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
675 |
GST_WARNING_OBJECT (src, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
676 |
"create DISCONT of %" G_GUINT64_FORMAT " samples at sample %" |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
677 |
G_GUINT64_FORMAT, sample - src->next_sample, sample); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
678 |
GST_ELEMENT_WARNING (src, CORE, CLOCK, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
679 |
(_("Can't record audio fast enough")), |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
680 |
("dropped %" G_GUINT64_FORMAT " samples", sample - src->next_sample)); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
681 |
GST_BUFFER_FLAG_SET (buf, GST_BUFFER_FLAG_DISCONT); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
682 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
683 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
684 |
src->next_sample = sample + samples; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
685 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
686 |
/* get the normal timestamp to get the duration. */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
687 |
timestamp = gst_util_uint64_scale_int (sample, GST_SECOND, spec->rate); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
688 |
duration = gst_util_uint64_scale_int (src->next_sample, GST_SECOND, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
689 |
spec->rate) - timestamp; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
690 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
691 |
GST_OBJECT_LOCK (src); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
692 |
clock = GST_ELEMENT_CLOCK (src); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
693 |
if (clock != NULL && clock != src->clock) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
694 |
GstClockTime base_time, latency; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
695 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
696 |
/* We are slaved to another clock, take running time of the clock and just |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
697 |
* timestamp against it. Somebody else in the pipeline should figure out the |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
698 |
* clock drift, for now. We keep the duration we calculated above. */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
699 |
timestamp = gst_clock_get_time (clock); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
700 |
base_time = GST_ELEMENT_CAST (src)->base_time; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
701 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
702 |
if (timestamp > base_time) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
703 |
timestamp -= base_time; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
704 |
else |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
705 |
timestamp = 0; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
706 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
707 |
/* subtract latency */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
708 |
latency = gst_util_uint64_scale_int (total_samples, GST_SECOND, spec->rate); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
709 |
if (timestamp > latency) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
710 |
timestamp -= latency; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
711 |
else |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
712 |
timestamp = 0; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
713 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
714 |
GST_OBJECT_UNLOCK (src); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
715 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
716 |
GST_BUFFER_TIMESTAMP (buf) = timestamp; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
717 |
GST_BUFFER_DURATION (buf) = duration; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
718 |
GST_BUFFER_OFFSET (buf) = sample; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
719 |
GST_BUFFER_OFFSET_END (buf) = sample + samples; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
720 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
721 |
gst_buffer_set_caps (buf, GST_PAD_CAPS (GST_BASE_SRC_PAD (bsrc))); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
722 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
723 |
*outbuf = buf; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
724 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
725 |
return GST_FLOW_OK; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
726 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
727 |
/* ERRORS */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
728 |
wrong_state: |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
729 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
730 |
GST_DEBUG_OBJECT (src, "ringbuffer in wrong state"); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
731 |
return GST_FLOW_WRONG_STATE; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
732 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
733 |
wrong_offset: |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
734 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
735 |
GST_ELEMENT_ERROR (src, RESOURCE, SEEK, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
736 |
(NULL), ("resource can only be operated on sequentially but offset %" |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
737 |
G_GUINT64_FORMAT " was given", offset)); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
738 |
return GST_FLOW_ERROR; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
739 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
740 |
stopped: |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
741 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
742 |
gst_buffer_unref (buf); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
743 |
GST_DEBUG_OBJECT (src, "ringbuffer stopped"); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
744 |
return GST_FLOW_WRONG_STATE; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
745 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
746 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
747 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
748 |
/** |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
749 |
* gst_base_audio_src_create_ringbuffer: |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
750 |
* @src: a #GstBaseAudioSrc. |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
751 |
* |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
752 |
* Create and return the #GstRingBuffer for @src. This function will call the |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
753 |
* ::create_ringbuffer vmethod and will set @src as the parent of the returned |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
754 |
* buffer (see gst_object_set_parent()). |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
755 |
* |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
756 |
* Returns: The new ringbuffer of @src. |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
757 |
*/ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
758 |
#ifdef __SYMBIAN32__ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
759 |
EXPORT_C |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
760 |
#endif |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
761 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
762 |
GstRingBuffer * |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
763 |
gst_base_audio_src_create_ringbuffer (GstBaseAudioSrc * src) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
764 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
765 |
GstBaseAudioSrcClass *bclass; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
766 |
GstRingBuffer *buffer = NULL; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
767 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
768 |
bclass = GST_BASE_AUDIO_SRC_GET_CLASS (src); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
769 |
if (bclass->create_ringbuffer) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
770 |
buffer = bclass->create_ringbuffer (src); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
771 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
772 |
if (G_LIKELY (buffer)) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
773 |
gst_object_set_parent (GST_OBJECT_CAST (buffer), GST_OBJECT_CAST (src)); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
774 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
775 |
return buffer; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
776 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
777 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
778 |
static GstStateChangeReturn |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
779 |
gst_base_audio_src_change_state (GstElement * element, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
780 |
GstStateChange transition) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
781 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
782 |
GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
783 |
GstBaseAudioSrc *src = GST_BASE_AUDIO_SRC (element); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
784 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
785 |
switch (transition) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
786 |
case GST_STATE_CHANGE_NULL_TO_READY: |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
787 |
GST_DEBUG_OBJECT (src, "NULL->READY"); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
788 |
if (src->ringbuffer == NULL) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
789 |
src->ringbuffer = gst_base_audio_src_create_ringbuffer (src); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
790 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
791 |
if (!gst_ring_buffer_open_device (src->ringbuffer)) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
792 |
goto open_failed; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
793 |
break; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
794 |
case GST_STATE_CHANGE_READY_TO_PAUSED: |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
795 |
GST_DEBUG_OBJECT (src, "READY->PAUSED"); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
796 |
src->next_sample = -1; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
797 |
gst_ring_buffer_set_flushing (src->ringbuffer, FALSE); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
798 |
gst_ring_buffer_may_start (src->ringbuffer, FALSE); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
799 |
break; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
800 |
case GST_STATE_CHANGE_PAUSED_TO_PLAYING: |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
801 |
GST_DEBUG_OBJECT (src, "PAUSED->PLAYING"); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
802 |
gst_ring_buffer_may_start (src->ringbuffer, TRUE); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
803 |
break; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
804 |
case GST_STATE_CHANGE_PLAYING_TO_PAUSED: |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
805 |
GST_DEBUG_OBJECT (src, "PLAYING->PAUSED"); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
806 |
gst_ring_buffer_may_start (src->ringbuffer, FALSE); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
807 |
gst_ring_buffer_pause (src->ringbuffer); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
808 |
break; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
809 |
case GST_STATE_CHANGE_PAUSED_TO_READY: |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
810 |
GST_DEBUG_OBJECT (src, "PAUSED->READY"); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
811 |
gst_ring_buffer_set_flushing (src->ringbuffer, TRUE); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
812 |
break; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
813 |
default: |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
814 |
break; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
815 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
816 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
817 |
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
818 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
819 |
switch (transition) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
820 |
case GST_STATE_CHANGE_PAUSED_TO_READY: |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
821 |
GST_DEBUG_OBJECT (src, "PAUSED->READY"); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
822 |
gst_ring_buffer_release (src->ringbuffer); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
823 |
break; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
824 |
case GST_STATE_CHANGE_READY_TO_NULL: |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
825 |
GST_DEBUG_OBJECT (src, "READY->NULL"); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
826 |
gst_ring_buffer_close_device (src->ringbuffer); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
827 |
gst_object_unparent (GST_OBJECT_CAST (src->ringbuffer)); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
828 |
src->ringbuffer = NULL; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
829 |
break; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
830 |
default: |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
831 |
break; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
832 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
833 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
834 |
return ret; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
835 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
836 |
/* ERRORS */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
837 |
open_failed: |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
838 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
839 |
/* subclass must post a meaningfull error message */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
840 |
GST_DEBUG_OBJECT (src, "open failed"); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
841 |
return GST_STATE_CHANGE_FAILURE; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
842 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
843 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
844 |
} |