Commit 3d6955d6 authored by Tim-Philipp Müller's avatar Tim-Philipp Müller

Remove esound/esdsink plugin

parent 72873243
......@@ -89,11 +89,6 @@ Version: >= 0.71
Plugins: cdio (cdiocddasrc)
URL: http://www.gnu.org/software/libcdio/
Package: ESound
Version: >= 0.2.12
Plugins: esdsink
URL: http://www.gnome.org/
Package: FLAC
Version: == 1.1.2
Plugins: flac (flacenc, flacdec)
......
......@@ -719,17 +719,6 @@ AG_GST_CHECK_FEATURE(CAIRO_GOBJECT,
AG_GST_PKG_CHECK_MODULES(CAIRO_GOBJECT, cairo-gobject >= 1.10.0)
])
dnl **** ESound ****
translit(dnm, m, l) AM_CONDITIONAL(USE_ESD, true)
AG_GST_CHECK_FEATURE(ESD, [ESounD sound daemon], esdsink, [
AG_GST_PKG_CHECK_MODULES(ESD, esound >= 0.2.12)
if test $HAVE_ESD = no
then
AM_PATH_ESD(0.2.12, HAVE_ESD="yes")
AS_SCRUB_INCLUDE(ESD_CFLAGS)
fi
])
dnl *** FLAC ***
translit(dnm, m, l) AM_CONDITIONAL(USE_FLAC, true)
AG_GST_CHECK_FEATURE(FLAC, [FLAC lossless audio], flac, [
......@@ -1021,7 +1010,6 @@ AM_CONDITIONAL(USE_CAIRO, false)
AM_CONDITIONAL(USE_CAIRO_GOBJECT, false)
AM_CONDITIONAL(USE_DIRECTSOUND, false)
AM_CONDITIONAL(USE_DV1394, false)
AM_CONDITIONAL(USE_ESD, false)
AM_CONDITIONAL(USE_FLAC, false)
AM_CONDITIONAL(USE_GDK_PIXBUF, false)
AM_CONDITIONAL(USE_GST_V4L2, false)
......@@ -1157,7 +1145,6 @@ ext/aalib/Makefile
ext/annodex/Makefile
ext/cairo/Makefile
ext/dv/Makefile
ext/esd/Makefile
ext/flac/Makefile
ext/gdk_pixbuf/Makefile
ext/hal/Makefile
......
......@@ -84,7 +84,6 @@ EXTRA_HFILES = \
$(top_srcdir)/ext/cairo/gstcairooverlay.h \
$(top_srcdir)/ext/dv/gstdvdec.h \
$(top_srcdir)/ext/dv/gstdvdemux.h \
$(top_srcdir)/ext/esd/esdsink.h \
$(top_srcdir)/ext/flac/gstflacdec.h \
$(top_srcdir)/ext/flac/gstflacenc.h \
$(top_srcdir)/ext/flac/gstflactag.h \
......
......@@ -72,7 +72,6 @@
<xi:include href="xml/element-equalizer-10bands.xml" />
<xi:include href="xml/element-equalizer-3bands.xml" />
<xi:include href="xml/element-equalizer-nbands.xml" />
<xi:include href="xml/element-esdsink.xml" />
<xi:include href="xml/element-flacdec.xml" />
<xi:include href="xml/element-flacenc.xml" />
<xi:include href="xml/element-flacparse.xml" />
......@@ -205,7 +204,6 @@
<xi:include href="xml/plugin-efence.xml" />
<xi:include href="xml/plugin-equalizer.xml" />
<xi:include href="xml/plugin-effectv.xml" />
<xi:include href="xml/plugin-esdsink.xml" />
<xi:include href="xml/plugin-flac.xml" />
<xi:include href="xml/plugin-flv.xml" />
<xi:include href="xml/plugin-flxdec.xml" />
......
......@@ -797,20 +797,6 @@ LOWEST_FREQ
ProcessFunc
</SECTION>
<SECTION>
<FILE>element-esdsink</FILE>
<TITLE>esdsink</TITLE>
GstEsdSink
<SUBSECTION Standard>
GstEsdSinkClass
GST_TYPE_ESDSINK
GST_ESDSINK
GST_ESDSINK_CLASS
GST_IS_ESDSINK
GST_IS_ESDSINK_CLASS
gst_esdsink_get_type
</SECTION>
<SECTION>
<FILE>element-flacdec</FILE>
<TITLE>flacdec</TITLE>
......
<plugin>
<name>esdsink</name>
<description>ESD Element Plugins</description>
<filename>../../ext/esd/.libs/libgstesd.so</filename>
<basename>libgstesd.so</basename>
<version>0.10.29.1</version>
<license>LGPL</license>
<source>gst-plugins-good</source>
<package>GStreamer Good Plug-ins git</package>
<origin>Unknown package origin</origin>
<elements>
<element>
<name>esdsink</name>
<longname>Esound audio sink</longname>
<class>Sink/Audio</class>
<description>Plays audio to an esound server</description>
<author>Arwed von Merkatz &lt;v.merkatz@gmx.net&gt;</author>
<pads>
<caps>
<name>sink</name>
<direction>sink</direction>
<presence>always</presence>
<details>audio/x-raw-int, endianness=(int)1234, signed=(boolean)true, width=(int)16, depth=(int)16, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2 ]; audio/x-raw-int, signed=(boolean){ true, false }, width=(int)8, depth=(int)8, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2 ]</details>
</caps>
</pads>
</element>
</elements>
</plugin>
\ No newline at end of file
......@@ -16,12 +16,6 @@ else
CAIRO_DIR =
endif
if USE_ESD
ESD_DIR = esd
else
ESD_DIR =
endif
if USE_FLAC
FLAC_DIR = flac
else
......@@ -130,7 +124,6 @@ SUBDIRS = \
$(ANNODEX_DIR) \
$(CAIRO_DIR) \
$(DV1394_DIR) \
$(ESD_DIR) \
$(FLAC_DIR) \
$(GDK_PIXBUF_DIR) \
$(HAL_DIR) \
......@@ -153,7 +146,6 @@ DIST_SUBDIRS = \
annodex \
cairo \
dv \
esd \
flac \
gdk_pixbuf \
hal \
......
plugin_LTLIBRARIES = libgstesd.la
libgstesd_la_SOURCES = esdsink.c gstesd.c
libgstesd_la_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(GST_BASE_CFLAGS) $(GST_CFLAGS) $(ESD_CFLAGS)
libgstesd_la_LIBADD = \
$(GST_PLUGINS_BASE_LIBS) -lgstaudio-$(GST_MAJORMINOR) \
$(GST_BASE_LIBS) \
$(GST_LIBS) \
$(ESD_LIBS)
libgstesd_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
libgstesd_la_LIBTOOLFLAGS = --tag=disable-static
noinst_HEADERS = esdsink.h esdmon.h
EXTRA_DIST =
/* GStreamer
* Copyright (C) <2001,2002> Richard Boulton <richard-gst@tartarus.org>
*
* Based on example.c:
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/**
* SECTION:element-esdmon
* @see_also: #GstAlsaSrc, #GstAutoAudioSrc
*
* This element records sound from an already-running Enlightened Sound Daemon
* (ESound Daemon, esd). Note that a sound daemon will never be auto-spawned
* through this element (regardless of the system configuration), since this
* is actively prevented by the element. If you must use esd, you need to
* make sure it is started automatically with your session or otherwise.
*
* TODO: insert some comments about how sucky esd is and that all the cool
* kids use pulseaudio or whatever these days.
*
* <refsect2>
* <title>Example launch line</title>
* |[
* gst-launch esdmon ! audioconvert ! waveenc ! filesink location=record.wav
* ]| Record from audioinput
* </refsect2>
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "esdmon.h"
#include <esd.h>
#include <unistd.h>
/* Signals and args */
enum
{
/* FILL ME */
LAST_SIGNAL
};
enum
{
ARG_0,
ARG_DEPTH,
ARG_BYTESPERREAD,
ARG_CUROFFSET,
ARG_CHANNELS,
ARG_RATE,
ARG_HOST
};
static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("audio/x-raw-int, "
"endianness = (int) " G_STRINGIFY (G_BYTE_ORDER) ", "
"signed = (boolean) TRUE, "
"width = (int) 16, "
"depth = (int) 16, "
"rate = [ 8000, 96000 ], "
"channels = [ 1, 2 ]; "
"audio/x-raw-int, "
"signed = (boolean) FALSE, "
"width = (int) 8, "
"depth = (int) 8, " "rate = [ 8000, 96000 ], " "channels = [ 1, 2 ]")
);
static void gst_esdmon_base_init (gpointer g_class);
static void gst_esdmon_class_init (gpointer g_class, gpointer class_data);
static void gst_esdmon_init (GTypeInstance * instance, gpointer g_class);
static gboolean gst_esdmon_open_audio (GstEsdmon * src);
static void gst_esdmon_close_audio (GstEsdmon * src);
static GstStateChangeReturn gst_esdmon_change_state (GstElement * element,
GstStateChange transition);
static gboolean gst_esdmon_sync_parms (GstEsdmon * esdmon);
static GstData *gst_esdmon_get (GstPad * pad);
static void gst_esdmon_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_esdmon_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
#define GST_TYPE_ESDMON_DEPTHS (gst_esdmon_depths_get_type())
static GType
gst_esdmon_depths_get_type (void)
{
static GType esdmon_depths_type = 0;
static const GEnumValue esdmon_depths[] = {
{8, "8 Bits", "8"},
{16, "16 Bits", "16"},
{0, NULL, NULL},
};
if (!esdmon_depths_type) {
esdmon_depths_type =
g_enum_register_static ("GstEsdmonDepths", esdmon_depths);
}
return esdmon_depths_type;
}
#define GST_TYPE_ESDMON_CHANNELS (gst_esdmon_channels_get_type())
static GType
gst_esdmon_channels_get_type (void)
{
static GType esdmon_channels_type = 0;
static const GEnumValue esdmon_channels[] = {
{1, "Mono", "mono"},
{2, "Stereo", "stereo"},
{0, NULL, NULL},
};
if (!esdmon_channels_type) {
esdmon_channels_type =
g_enum_register_static ("GstEsdmonChannels", esdmon_channels);
}
return esdmon_channels_type;
}
static GstElementClass *parent_class = NULL;
/*static guint gst_esdmon_signals[LAST_SIGNAL] = { 0 }; */
GType
gst_esdmon_get_type (void)
{
static GType esdmon_type = 0;
if (!esdmon_type) {
static const GTypeInfo esdmon_info = {
sizeof (GstEsdmonClass),
gst_esdmon_base_init,
NULL,
gst_esdmon_class_init,
NULL,
NULL,
sizeof (GstEsdmon),
0,
gst_esdmon_init,
};
esdmon_type =
g_type_register_static (GST_TYPE_ELEMENT, "GstEsdmon", &esdmon_info, 0);
}
return esdmon_type;
}
static void
gst_esdmon_base_init (gpointer g_class)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&src_factory));
gst_element_class_set_details_simple (element_class, "Esound audio monitor",
"Source/Audio",
"Monitors audio from an esound server",
"Richard Boulton <richard-gst@tartarus.org>");
}
static void
gst_esdmon_class_init (gpointer g_class, gpointer class_data)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (g_class);
GstElementClass *gstelement_class = GST_ELEMENT_CLASS (g_class);
parent_class = g_type_class_peek_parent (g_class);
/* FIXME: add long property descriptions */
g_object_class_install_property (gobject_class, ARG_BYTESPERREAD,
g_param_spec_ulong ("bytes-per-read", "bytes per read", "bytes per read",
0, G_MAXULONG, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, ARG_CUROFFSET,
g_param_spec_ulong ("curoffset", "curoffset", "curoffset",
0, G_MAXULONG, 0, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, ARG_DEPTH,
g_param_spec_enum ("depth", "depth", "depth", GST_TYPE_ESDMON_DEPTHS,
16, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, ARG_CHANNELS,
g_param_spec_enum ("channels", "channels", "channels",
GST_TYPE_ESDMON_CHANNELS, 2,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, ARG_RATE,
g_param_spec_int ("frequency", "frequency", "frequency",
G_MININT, G_MAXINT, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, ARG_HOST,
g_param_spec_string ("host", "host", "host", NULL,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
gobject_class->set_property = gst_esdmon_set_property;
gobject_class->get_property = gst_esdmon_get_property;
gstelement_class->change_state = gst_esdmon_change_state;
}
static void
gst_esdmon_init (GTypeInstance * instance, gpointer g_class)
{
GstEsdmon *esdmon = GST_ESDMON (instance);
esdmon->srcpad =
gst_pad_new_from_template (gst_element_class_get_pad_template
(GST_ELEMENT_GET_CLASS (esdmon), "src"), "src");
gst_pad_set_get_function (esdmon->srcpad, gst_esdmon_get);
gst_pad_use_explicit_caps (esdmon->srcpad);
gst_element_add_pad (GST_ELEMENT (esdmon), esdmon->srcpad);
esdmon->fd = -1;
/* FIXME: get default from somewhere better than just putting them inline. */
esdmon->depth = 16;
esdmon->channels = 2;
esdmon->frequency = 44100;
esdmon->host = NULL;
esdmon->bytes_per_read = 4096;
esdmon->curoffset = 0;
esdmon->basetime = 0;
esdmon->samples_since_basetime = 0;
}
static gboolean
gst_esdmon_sync_parms (GstEsdmon * esdmon)
{
g_return_val_if_fail (esdmon != NULL, FALSE);
g_return_val_if_fail (GST_IS_ESDMON (esdmon), FALSE);
if (esdmon->fd == -1)
return TRUE;
/* Need to set fd to use new parameters: only way to do this is to reopen. */
gst_esdmon_close_audio (esdmon);
return gst_esdmon_open_audio (esdmon);
}
static GstData *
gst_esdmon_get (GstPad * pad)
{
GstEsdmon *esdmon;
GstBuffer *buf;
glong readbytes;
glong readsamples;
g_return_val_if_fail (pad != NULL, NULL);
esdmon = GST_ESDMON (gst_pad_get_parent (pad));
GST_DEBUG ("attempting to read something from esdmon");
buf = gst_buffer_new ();
g_return_val_if_fail (buf, NULL);
GST_BUFFER_DATA (buf) = (gpointer) g_malloc (esdmon->bytes_per_read);
readbytes = read (esdmon->fd, GST_BUFFER_DATA (buf), esdmon->bytes_per_read);
if (readbytes == 0) {
gst_element_set_eos (GST_ELEMENT (esdmon));
return NULL;
}
if (!GST_PAD_CAPS (pad)) {
GstCaps *caps = gst_caps_new_simple ("audio/x-raw-int",
"endianness", G_TYPE_INT, G_BYTE_ORDER,
"signed", G_TYPE_BOOLEAN, esdmon->depth == 8 ? FALSE : TRUE,
"width", G_TYPE_INT, esdmon->depth,
"depth", G_TYPE_INT, esdmon->depth,
"rate", G_TYPE_INT, esdmon->frequency,
"channels", G_TYPE_INT, esdmon->channels,
NULL);
/* set caps on src pad */
if (gst_pad_set_explicit_caps (esdmon->srcpad, caps) <= 0) {
GST_ELEMENT_ERROR (esdmon, CORE, NEGOTIATION, (NULL), (NULL));
gst_caps_free (caps);
return NULL;
}
gst_caps_free (caps);
}
GST_BUFFER_SIZE (buf) = readbytes;
GST_BUFFER_OFFSET (buf) = esdmon->curoffset;
GST_BUFFER_TIMESTAMP (buf) = esdmon->basetime +
esdmon->samples_since_basetime * GST_SECOND / esdmon->frequency;
esdmon->curoffset += readbytes;
readsamples = readbytes / esdmon->channels;
if (esdmon->depth == 16)
readsamples /= 2;
esdmon->samples_since_basetime += readsamples;
GST_DEBUG ("pushed buffer from esdmon of %ld bytes, timestamp %"
G_GINT64_FORMAT, readbytes, GST_BUFFER_TIMESTAMP (buf));
gst_object_unref (esdmon);
return GST_DATA (buf);
}
static void
gst_esdmon_set_property (GObject * object, guint prop_id, const GValue * value,
GParamSpec * pspec)
{
GstEsdmon *esdmon;
g_return_if_fail (GST_IS_ESDMON (object));
esdmon = GST_ESDMON (object);
switch (prop_id) {
case ARG_BYTESPERREAD:
esdmon->bytes_per_read = g_value_get_ulong (value);
/* No need to sync params - will just happen on next read. */
break;
case ARG_DEPTH:
esdmon->depth = g_value_get_enum (value);
gst_esdmon_sync_parms (esdmon);
break;
case ARG_CHANNELS:
esdmon->channels = g_value_get_enum (value);
gst_esdmon_sync_parms (esdmon);
break;
case ARG_RATE:
/* Preserve the timestamps */
esdmon->basetime =
esdmon->samples_since_basetime * GST_SECOND / esdmon->frequency;
esdmon->samples_since_basetime = 0;
/* Set the new frequency */
esdmon->frequency = g_value_get_int (value);
gst_esdmon_sync_parms (esdmon);
break;
case ARG_HOST:
if (esdmon->host != NULL)
g_free (esdmon->host);
if (g_value_get_string (value) == NULL)
esdmon->host = NULL;
else
esdmon->host = g_strdup (g_value_get_string (value));
break;
default:
break;
}
}
static void
gst_esdmon_get_property (GObject * object, guint prop_id, GValue * value,
GParamSpec * pspec)
{
GstEsdmon *esdmon;
g_return_if_fail (GST_IS_ESDMON (object));
esdmon = GST_ESDMON (object);
switch (prop_id) {
case ARG_BYTESPERREAD:
g_value_set_ulong (value, esdmon->bytes_per_read);
break;
case ARG_CUROFFSET:
g_value_set_ulong (value, esdmon->curoffset);
break;
case ARG_DEPTH:
g_value_set_enum (value, esdmon->depth);
break;
case ARG_CHANNELS:
g_value_set_enum (value, esdmon->channels);
break;
case ARG_RATE:
g_value_set_int (value, esdmon->frequency);
break;
case ARG_HOST:
g_value_set_string (value, esdmon->host);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static gboolean
gst_esdmon_open_audio (GstEsdmon * src)
{
/* Name used by esound for this connection. */
const char connname[] = "GStreamer";
/* Bitmap describing audio format. */
esd_format_t esdformat = ESD_STREAM | ESD_PLAY;
g_return_val_if_fail (src->fd == -1, FALSE);
if (src->depth == 16)
esdformat |= ESD_BITS16;
else if (src->depth == 8)
esdformat |= ESD_BITS8;
else {
GST_DEBUG ("esdmon: invalid bit depth (%d)", src->depth);
return FALSE;
}
if (src->channels == 2)
esdformat |= ESD_STEREO;
else if (src->channels == 1)
esdformat |= ESD_MONO;
else {
GST_DEBUG ("esdmon: invalid number of channels (%d)", src->channels);
return FALSE;
}
GST_DEBUG ("esdmon: attempting to open connection to esound server");
src->fd = esd_monitor_stream (esdformat, src->frequency, src->host, connname);
if (src->fd < 0) {
GST_DEBUG ("esdmon: can't open connection to esound server");
return FALSE;
}
GST_OBJECT_FLAG_SET (src, GST_ESDMON_OPEN);
return TRUE;
}
static void
gst_esdmon_close_audio (GstEsdmon * src)
{
if (src->fd < 0)
return;
close (src->fd);
src->fd = -1;
GST_OBJECT_FLAG_UNSET (src, GST_ESDMON_OPEN);
GST_DEBUG ("esdmon: closed sound device");
}
static GstStateChangeReturn
gst_esdmon_change_state (GstElement * element, GstStateChange transition)
{
g_return_val_if_fail (GST_IS_ESDMON (element), FALSE);
/* if going down into NULL state, close the fd if it's open */
if (GST_STATE_PENDING (element) == GST_STATE_NULL) {
if (GST_OBJECT_FLAG_IS_SET (element, GST_ESDMON_OPEN))
gst_esdmon_close_audio (GST_ESDMON (element));
/* otherwise (READY or higher) we need to open the fd */
} else {
if (!GST_OBJECT_FLAG_IS_SET (element, GST_ESDMON_OPEN)) {
if (!gst_esdmon_open_audio (GST_ESDMON (element)))
return GST_STATE_CHANGE_FAILURE;
}
}
if (GST_ELEMENT_CLASS (parent_class)->change_state)
return GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
return GST_STATE_CHANGE_SUCCESS;
}
/* GStreamer
* Copyright (C) <2001,2002> Richard Boulton <richard-gst@tartarus.org>
*
* Based on example.c:
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GST_ESDMON_H__
#define __GST_ESDMON_H__
#include <gst/gst.h>
G_BEGIN_DECLS
#define GST_TYPE_ESDMON \
(gst_esdmon_get_type())
#define GST_ESDMON(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_ESDMON,GstEsdmon))
#define GST_ESDMON_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ESDMON,GstEsdmonClass))
#define GST_IS_ESDMON(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_ESDMON))
#define GST_IS_ESDMON_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_ESDMON))
typedef enum {
GST_ESDMON_OPEN = (GST_ELEMENT_FLAG_LAST << 0),
GST_ESDMON_FLAG_LAST = (GST_ELEMENT_FLAG_LAST << 2)
} GstEsdSrcFlags;
typedef struct _GstEsdmon GstEsdmon;
typedef struct _GstEsdmonClass GstEsdmonClass;
struct _GstEsdmon {
GstElement element;
GstPad *srcpad;