mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-27 20:21:24 +00:00
[MOVED FROM GST-P-FARSIGHT] Added dtmfsrc, a DTMF Tone Generator, and made it part of the 'dtmf' plugin.
20070820184852-4f0f6-a0d85e67708290aebafa89ab79d3cedd5815b620.gz
This commit is contained in:
Youness Alaoui
Edward Hervey
parent
0127d7b6e5
commit
2a45c1b9d4
6 changed files with 845 additions and 23 deletions
|
|
@ -1,9 +1,13 @@
|
||||||
plugin_LTLIBRARIES = libgstrtpdtmf.la
|
plugin_LTLIBRARIES = libgstdtmf.la
|
||||||
|
|
||||||
libgstrtpdtmf_la_SOURCES = gstrtpdtmfsrc.c
|
libgstdtmf_la_SOURCES = gstdtmfsrc.c \
|
||||||
|
gstrtpdtmfsrc.c \
|
||||||
|
gstdtmf.c
|
||||||
|
|
||||||
libgstrtpdtmf_la_CFLAGS = $(GST_CFLAGS) $(GST_PLUGINS_BASE_CFLAGS) $(ERROR_CFLAGS) -DEXTERN_BUF -DRTP_SUPPORT
|
noinst_HEADERS = gstdtmfsrc.h \
|
||||||
libgstrtpdtmf_la_LIBADD = $(GST_LIBS_LIBS)
|
gstrtpdtmfsrc.h
|
||||||
libgstrtpdtmf_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS) $(GST_BASE_LIBS) $(GST_PLUGINS_BASE_LIBS) -lgstrtp-@GST_MAJORMINOR@
|
|
||||||
|
libgstdtmf_la_CFLAGS = $(GST_CFLAGS) $(GST_PLUGINS_BASE_CFLAGS) $(ERROR_CFLAGS) -DEXTERN_BUF -DRTP_SUPPORT
|
||||||
|
libgstdtmf_la_LIBADD = $(GST_LIBS_LIBS)
|
||||||
|
libgstdtmf_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS) $(GST_BASE_LIBS) $(GST_PLUGINS_BASE_LIBS) -lgstrtp-@GST_MAJORMINOR@
|
||||||
|
|
||||||
noinst_HEADERS = gstrtpdtmfsrc.h
|
|
||||||
|
|
|
||||||
27
gst/dtmf/gstdtmf.c
Normal file
27
gst/dtmf/gstdtmf.c
Normal file
|
|
@ -0,0 +1,27 @@
|
||||||
|
|
||||||
|
#ifdef HAVE_CONFIG_H
|
||||||
|
#include "config.h"
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#include "gstdtmfsrc.h"
|
||||||
|
#include "gstrtpdtmfsrc.h"
|
||||||
|
|
||||||
|
|
||||||
|
static gboolean
|
||||||
|
plugin_init (GstPlugin * plugin)
|
||||||
|
{
|
||||||
|
if (!gst_dtmf_src_plugin_init (plugin))
|
||||||
|
return FALSE;
|
||||||
|
|
||||||
|
if (!gst_rtp_dtmf_src_plugin_init (plugin))
|
||||||
|
return FALSE;
|
||||||
|
|
||||||
|
|
||||||
|
return TRUE;
|
||||||
|
}
|
||||||
|
|
||||||
|
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
|
||||||
|
GST_VERSION_MINOR,
|
||||||
|
"dtmf",
|
||||||
|
"DTMF plugins",
|
||||||
|
plugin_init, "0.1" , "LGPL", "DTMF", "");
|
||||||
729
gst/dtmf/gstdtmfsrc.c
Normal file
729
gst/dtmf/gstdtmfsrc.c
Normal file
|
|
@ -0,0 +1,729 @@
|
||||||
|
/* GStreamer DTMF source
|
||||||
|
*
|
||||||
|
* gstdtmfsrc.c:
|
||||||
|
*
|
||||||
|
* Copyright (C) <2007> Collabora.
|
||||||
|
* Contact: Youness Alaoui <youness.alaoui@collabora.co.uk>
|
||||||
|
* Copyright (C) <2007> Nokia Corporation.
|
||||||
|
* Contact: Zeeshan Ali <zeeshan.ali@nokia.com>
|
||||||
|
* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
|
||||||
|
* 2000,2005 Wim Taymans <wim@fluendo.com>
|
||||||
|
*
|
||||||
|
* 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-dtmfsrc
|
||||||
|
* @short_description: Generates DTMF packets
|
||||||
|
*
|
||||||
|
* <refsect2>
|
||||||
|
*
|
||||||
|
* <para>
|
||||||
|
* The DTMFSrc element generates DTMF (ITU-T Q.23 Specification) tone packets on request
|
||||||
|
* from application. The application communicates the beginning and end of a
|
||||||
|
* DTMF event using custom upstream gstreamer events. To report a DTMF event, an
|
||||||
|
* application must send an event of type GST_EVENT_CUSTOM_UPSTREAM, having a
|
||||||
|
* structure of name "dtmf-event" with fields set according to the following
|
||||||
|
* table:
|
||||||
|
* </para>
|
||||||
|
*
|
||||||
|
* <para>
|
||||||
|
* <informaltable>
|
||||||
|
* <tgroup cols='4'>
|
||||||
|
* <colspec colname='Name' />
|
||||||
|
* <colspec colname='Type' />
|
||||||
|
* <colspec colname='Possible values' />
|
||||||
|
* <colspec colname='Purpose' />
|
||||||
|
*
|
||||||
|
* <thead>
|
||||||
|
* <row>
|
||||||
|
* <entry>Name</entry>
|
||||||
|
* <entry>GType</entry>
|
||||||
|
* <entry>Possible values</entry>
|
||||||
|
* <entry>Purpose</entry>
|
||||||
|
* </row>
|
||||||
|
* </thead>
|
||||||
|
*
|
||||||
|
* <tbody>
|
||||||
|
* <row>
|
||||||
|
* <entry>type</entry>
|
||||||
|
* <entry>G_TYPE_INT</entry>
|
||||||
|
* <entry>0-1</entry>
|
||||||
|
* <entry>The application uses this field to specify which of the two methods
|
||||||
|
* specified in RFC 2833 to use. The value should be 0 for tones and 1 for
|
||||||
|
* named events. This element is only capable of generating tones.
|
||||||
|
* </entry>
|
||||||
|
* </row>
|
||||||
|
* <row>
|
||||||
|
* <entry>number</entry>
|
||||||
|
* <entry>G_TYPE_INT</entry>
|
||||||
|
* <entry>0-16</entry>
|
||||||
|
* <entry>The event number.</entry>
|
||||||
|
* </row>
|
||||||
|
* <row>
|
||||||
|
* <entry>volume</entry>
|
||||||
|
* <entry>G_TYPE_INT</entry>
|
||||||
|
* <entry>0-36</entry>
|
||||||
|
* <entry>This field describes the power level of the tone, expressed in dBm0
|
||||||
|
* after dropping the sign. Power levels range from 0 to -63 dBm0. The range of
|
||||||
|
* valid DTMF is from 0 to -36 dBm0. Can be omitted if start is set to FALSE.
|
||||||
|
* </entry>
|
||||||
|
* </row>
|
||||||
|
* <row>
|
||||||
|
* <entry>start</entry>
|
||||||
|
* <entry>G_TYPE_BOOLEAN</entry>
|
||||||
|
* <entry>True or False</entry>
|
||||||
|
* <entry>Whether the event is starting or ending.</entry>
|
||||||
|
* </row>
|
||||||
|
* <row>
|
||||||
|
* <entry>method</entry>
|
||||||
|
* <entry>G_TYPE_INT</entry>
|
||||||
|
* <entry>1</entry>
|
||||||
|
* <entry>The method used for sending event, this element will react if this field
|
||||||
|
* is absent or 2.
|
||||||
|
* </entry>
|
||||||
|
* </row>
|
||||||
|
* </tbody>
|
||||||
|
* </tgroup>
|
||||||
|
* </informaltable>
|
||||||
|
* </para>
|
||||||
|
*
|
||||||
|
* <para>For example, the following code informs the pipeline (and in turn, the
|
||||||
|
* DTMFSrc element inside the pipeline) about the start of a DTMF named
|
||||||
|
* event '1' of volume -25 dBm0:
|
||||||
|
* </para>
|
||||||
|
*
|
||||||
|
* <para>
|
||||||
|
* <programlisting>
|
||||||
|
* structure = gst_structure_new ("dtmf-event",
|
||||||
|
* "type", G_TYPE_INT, 0,
|
||||||
|
* "number", G_TYPE_INT, 1,
|
||||||
|
* "volume", G_TYPE_INT, 25,
|
||||||
|
* "start", G_TYPE_BOOLEAN, TRUE, NULL);
|
||||||
|
*
|
||||||
|
* event = gst_event_new_custom (GST_EVENT_CUSTOM_UPSTREAM, structure);
|
||||||
|
* gst_element_send_event (pipeline, event);
|
||||||
|
* </programlisting>
|
||||||
|
* </para>
|
||||||
|
*
|
||||||
|
* </refsect2>
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifdef HAVE_CONFIG_H
|
||||||
|
# include "config.h"
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#include <stdlib.h>
|
||||||
|
#include <string.h>
|
||||||
|
#include <math.h>
|
||||||
|
|
||||||
|
#ifndef M_PI
|
||||||
|
# define M_PI 3.14159265358979323846 /* pi */
|
||||||
|
#endif
|
||||||
|
|
||||||
|
|
||||||
|
#include "gstdtmfsrc.h"
|
||||||
|
|
||||||
|
#define GST_TONE_DTMF_TYPE_EVENT 0
|
||||||
|
#define DEFAULT_PACKET_INTERVAL 50 /* ms */
|
||||||
|
#define MIN_PACKET_INTERVAL 10 /* ms */
|
||||||
|
#define MAX_PACKET_INTERVAL 50 /* ms */
|
||||||
|
#define SAMPLE_RATE 8000
|
||||||
|
#define SAMPLE_SIZE 16
|
||||||
|
#define CHANNELS 1
|
||||||
|
#define MIN_EVENT 0
|
||||||
|
#define MAX_EVENT 16
|
||||||
|
#define MIN_VOLUME 0
|
||||||
|
#define MAX_VOLUME 36
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
typedef struct st_dtmf_key {
|
||||||
|
char *event_name;
|
||||||
|
int event_encoding;
|
||||||
|
float low_frequency;
|
||||||
|
float high_frequency;
|
||||||
|
} DTMF_KEY;
|
||||||
|
|
||||||
|
static const DTMF_KEY DTMF_KEYS[] = {
|
||||||
|
{"DTMF_KEY_EVENT_0", 0, 941, 1336},
|
||||||
|
{"DTMF_KEY_EVENT_1", 1, 697, 1209},
|
||||||
|
{"DTMF_KEY_EVENT_2", 2, 697, 1336},
|
||||||
|
{"DTMF_KEY_EVENT_3", 3, 697, 1477},
|
||||||
|
{"DTMF_KEY_EVENT_4", 4, 770, 1209},
|
||||||
|
{"DTMF_KEY_EVENT_5", 5, 770, 1336},
|
||||||
|
{"DTMF_KEY_EVENT_6", 6, 770, 1477},
|
||||||
|
{"DTMF_KEY_EVENT_7", 7, 852, 1209},
|
||||||
|
{"DTMF_KEY_EVENT_8", 8, 852, 1336},
|
||||||
|
{"DTMF_KEY_EVENT_9", 9, 852, 1477},
|
||||||
|
{"DTMF_KEY_EVENT_S", 10, 941, 1209},
|
||||||
|
{"DTMF_KEY_EVENT_P", 11, 941, 1477},
|
||||||
|
{"DTMF_KEY_EVENT_A", 12, 697, 1633},
|
||||||
|
{"DTMF_KEY_EVENT_B", 13, 770, 1633},
|
||||||
|
{"DTMF_KEY_EVENT_C", 14, 852, 1633},
|
||||||
|
{"DTMF_KEY_EVENT_D", 15, 941, 1633},
|
||||||
|
};
|
||||||
|
|
||||||
|
#define MAX_DTMF_EVENTS 16
|
||||||
|
|
||||||
|
enum {
|
||||||
|
DTMF_KEY_EVENT_1 = 1,
|
||||||
|
DTMF_KEY_EVENT_2 = 2,
|
||||||
|
DTMF_KEY_EVENT_3 = 3,
|
||||||
|
DTMF_KEY_EVENT_4 = 4,
|
||||||
|
DTMF_KEY_EVENT_5 = 5,
|
||||||
|
DTMF_KEY_EVENT_6 = 6,
|
||||||
|
DTMF_KEY_EVENT_7 = 7,
|
||||||
|
DTMF_KEY_EVENT_8 = 8,
|
||||||
|
DTMF_KEY_EVENT_9 = 9,
|
||||||
|
DTMF_KEY_EVENT_0 = 0,
|
||||||
|
DTMF_KEY_EVENT_STAR = 10,
|
||||||
|
DTMF_KEY_EVENT_POUND = 11,
|
||||||
|
DTMF_KEY_EVENT_A = 12,
|
||||||
|
DTMF_KEY_EVENT_B = 13,
|
||||||
|
DTMF_KEY_EVENT_C = 14,
|
||||||
|
DTMF_KEY_EVENT_D = 15,
|
||||||
|
};
|
||||||
|
|
||||||
|
/* elementfactory information */
|
||||||
|
static const GstElementDetails gst_dtmf_src_details =
|
||||||
|
GST_ELEMENT_DETAILS ("DTMF tone generator",
|
||||||
|
"Source/Audio",
|
||||||
|
"Generates DTMF tones",
|
||||||
|
"Youness Alaoui <youness.alaoui@collabora.co.uk>");
|
||||||
|
|
||||||
|
GST_DEBUG_CATEGORY_STATIC (gst_dtmf_src_debug);
|
||||||
|
#define GST_CAT_DEFAULT gst_dtmf_src_debug
|
||||||
|
|
||||||
|
enum
|
||||||
|
{
|
||||||
|
PROP_0,
|
||||||
|
PROP_INTERVAL,
|
||||||
|
};
|
||||||
|
|
||||||
|
static GstStaticPadTemplate gst_dtmf_src_template =
|
||||||
|
GST_STATIC_PAD_TEMPLATE ("src",
|
||||||
|
GST_PAD_SRC,
|
||||||
|
GST_PAD_ALWAYS,
|
||||||
|
GST_STATIC_CAPS ("audio/x-raw-int, "
|
||||||
|
"width = (int) 16, "
|
||||||
|
"depth = (int) 16, "
|
||||||
|
"endianness = (int) 1234, "
|
||||||
|
"signed = (bool) true, "
|
||||||
|
"rate = (int) 8000, "
|
||||||
|
"channels = (int) 1")
|
||||||
|
);
|
||||||
|
|
||||||
|
static GstElementClass *parent_class = NULL;
|
||||||
|
|
||||||
|
static void gst_dtmf_src_base_init (gpointer g_class);
|
||||||
|
static void gst_dtmf_src_class_init (GstDTMFSrcClass * klass);
|
||||||
|
static void gst_dtmf_src_init (GstDTMFSrc * dtmfsrc, gpointer g_class);
|
||||||
|
static void gst_dtmf_src_finalize (GObject * object);
|
||||||
|
|
||||||
|
GType
|
||||||
|
gst_dtmf_src_get_type (void)
|
||||||
|
{
|
||||||
|
static GType base_src_type = 0;
|
||||||
|
|
||||||
|
if (G_UNLIKELY (base_src_type == 0)) {
|
||||||
|
static const GTypeInfo base_src_info = {
|
||||||
|
sizeof (GstDTMFSrcClass),
|
||||||
|
(GBaseInitFunc) gst_dtmf_src_base_init,
|
||||||
|
NULL,
|
||||||
|
(GClassInitFunc) gst_dtmf_src_class_init,
|
||||||
|
NULL,
|
||||||
|
NULL,
|
||||||
|
sizeof (GstDTMFSrc),
|
||||||
|
0,
|
||||||
|
(GInstanceInitFunc) gst_dtmf_src_init,
|
||||||
|
};
|
||||||
|
|
||||||
|
base_src_type = g_type_register_static (GST_TYPE_ELEMENT,
|
||||||
|
"GstDTMFSrc", &base_src_info, 0);
|
||||||
|
}
|
||||||
|
return base_src_type;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void gst_dtmf_src_set_property (GObject * object, guint prop_id,
|
||||||
|
const GValue * value, GParamSpec * pspec);
|
||||||
|
static void gst_dtmf_src_get_property (GObject * object, guint prop_id,
|
||||||
|
GValue * value, GParamSpec * pspec);
|
||||||
|
static gboolean gst_dtmf_src_handle_event (GstPad * pad, GstEvent * event);
|
||||||
|
static GstStateChangeReturn gst_dtmf_src_change_state (GstElement * element,
|
||||||
|
GstStateChange transition);
|
||||||
|
static void gst_dtmf_src_generate_tone(GstDTMFSrc *dtmfsrc, DTMF_KEY key, float duration,
|
||||||
|
GstBuffer * buffer);
|
||||||
|
static void gst_dtmf_src_push_next_tone_packet (GstDTMFSrc *dtmfsrc);
|
||||||
|
static void gst_dtmf_src_start (GstDTMFSrc *dtmfsrc, gint event_number,
|
||||||
|
gint event_volume);
|
||||||
|
static void gst_dtmf_src_stop (GstDTMFSrc *dtmfsrc);
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_dtmf_src_base_init (gpointer g_class)
|
||||||
|
{
|
||||||
|
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
|
||||||
|
|
||||||
|
GST_DEBUG_CATEGORY_INIT (gst_dtmf_src_debug,
|
||||||
|
"dtmfsrc", 0, "dtmfsrc element");
|
||||||
|
|
||||||
|
gst_element_class_add_pad_template (element_class,
|
||||||
|
gst_static_pad_template_get (&gst_dtmf_src_template));
|
||||||
|
|
||||||
|
gst_element_class_set_details (element_class, &gst_dtmf_src_details);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_dtmf_src_class_init (GstDTMFSrcClass * klass)
|
||||||
|
{
|
||||||
|
GObjectClass *gobject_class;
|
||||||
|
GstElementClass *gstelement_class;
|
||||||
|
|
||||||
|
gobject_class = G_OBJECT_CLASS (klass);
|
||||||
|
gstelement_class = GST_ELEMENT_CLASS (klass);
|
||||||
|
|
||||||
|
parent_class = g_type_class_peek_parent (klass);
|
||||||
|
|
||||||
|
gobject_class->finalize = GST_DEBUG_FUNCPTR (gst_dtmf_src_finalize);
|
||||||
|
gobject_class->set_property =
|
||||||
|
GST_DEBUG_FUNCPTR (gst_dtmf_src_set_property);
|
||||||
|
gobject_class->get_property =
|
||||||
|
GST_DEBUG_FUNCPTR (gst_dtmf_src_get_property);
|
||||||
|
|
||||||
|
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_INTERVAL,
|
||||||
|
g_param_spec_int ("interval", "Interval between tone packets",
|
||||||
|
"Interval in ms between two tone packets", MIN_PACKET_INTERVAL,
|
||||||
|
MAX_PACKET_INTERVAL, DEFAULT_PACKET_INTERVAL, G_PARAM_READWRITE));
|
||||||
|
|
||||||
|
gstelement_class->change_state =
|
||||||
|
GST_DEBUG_FUNCPTR (gst_dtmf_src_change_state);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_dtmf_src_init (GstDTMFSrc * dtmfsrc, gpointer g_class)
|
||||||
|
{
|
||||||
|
dtmfsrc->srcpad =
|
||||||
|
gst_pad_new_from_static_template (&gst_dtmf_src_template, "src");
|
||||||
|
GST_DEBUG_OBJECT (dtmfsrc, "adding src pad");
|
||||||
|
gst_element_add_pad (GST_ELEMENT (dtmfsrc), dtmfsrc->srcpad);
|
||||||
|
|
||||||
|
gst_pad_set_event_function (dtmfsrc->srcpad, gst_dtmf_src_handle_event);
|
||||||
|
|
||||||
|
dtmfsrc->interval = DEFAULT_PACKET_INTERVAL;
|
||||||
|
|
||||||
|
dtmfsrc->sample = 0;
|
||||||
|
|
||||||
|
GST_DEBUG_OBJECT (dtmfsrc, "init done");
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_dtmf_src_finalize (GObject * object)
|
||||||
|
{
|
||||||
|
GstDTMFSrc *dtmfsrc;
|
||||||
|
|
||||||
|
dtmfsrc = GST_DTMF_SRC (object);
|
||||||
|
|
||||||
|
G_OBJECT_CLASS (parent_class)->finalize (object);
|
||||||
|
}
|
||||||
|
|
||||||
|
static gboolean
|
||||||
|
gst_dtmf_src_handle_dtmf_event (GstDTMFSrc *dtmfsrc,
|
||||||
|
const GstStructure * event_structure)
|
||||||
|
{
|
||||||
|
gint event_type;
|
||||||
|
gboolean start;
|
||||||
|
gint method;
|
||||||
|
|
||||||
|
if (!gst_structure_get_int (event_structure, "type", &event_type) ||
|
||||||
|
!gst_structure_get_boolean (event_structure, "start", &start) ||
|
||||||
|
(start == TRUE && event_type != GST_TONE_DTMF_TYPE_EVENT))
|
||||||
|
goto failure;
|
||||||
|
|
||||||
|
if (gst_structure_get_int (event_structure, "method", &method)) {
|
||||||
|
if (method != 2) {
|
||||||
|
goto failure;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if (start) {
|
||||||
|
gint event_number;
|
||||||
|
gint event_volume;
|
||||||
|
|
||||||
|
if (!gst_structure_get_int (event_structure, "number", &event_number) ||
|
||||||
|
!gst_structure_get_int (event_structure, "volume", &event_volume))
|
||||||
|
goto failure;
|
||||||
|
|
||||||
|
GST_DEBUG_OBJECT (dtmfsrc, "Received start event %d with volume %d",
|
||||||
|
event_number, event_volume);
|
||||||
|
gst_dtmf_src_start (dtmfsrc, event_number, event_volume);
|
||||||
|
}
|
||||||
|
|
||||||
|
else {
|
||||||
|
GST_DEBUG_OBJECT (dtmfsrc, "Received stop event");
|
||||||
|
gst_dtmf_src_stop (dtmfsrc);
|
||||||
|
}
|
||||||
|
|
||||||
|
return TRUE;
|
||||||
|
failure:
|
||||||
|
return FALSE;
|
||||||
|
}
|
||||||
|
|
||||||
|
static gboolean
|
||||||
|
gst_dtmf_src_handle_custom_upstream (GstDTMFSrc *dtmfsrc,
|
||||||
|
GstEvent * event)
|
||||||
|
{
|
||||||
|
gboolean result = FALSE;
|
||||||
|
const GstStructure *structure;
|
||||||
|
|
||||||
|
if (GST_STATE (dtmfsrc) != GST_STATE_PLAYING) {
|
||||||
|
GST_DEBUG_OBJECT (dtmfsrc, "Received event while not in PLAYING state");
|
||||||
|
goto ret;
|
||||||
|
}
|
||||||
|
|
||||||
|
GST_DEBUG_OBJECT (dtmfsrc, "Received event is of our interest");
|
||||||
|
structure = gst_event_get_structure (event);
|
||||||
|
if (structure && gst_structure_has_name (structure, "dtmf-event"))
|
||||||
|
result = gst_dtmf_src_handle_dtmf_event (dtmfsrc, structure);
|
||||||
|
|
||||||
|
ret:
|
||||||
|
return result;
|
||||||
|
}
|
||||||
|
|
||||||
|
static gboolean
|
||||||
|
gst_dtmf_src_handle_event (GstPad * pad, GstEvent * event)
|
||||||
|
{
|
||||||
|
GstDTMFSrc *dtmfsrc;
|
||||||
|
gboolean result = FALSE;
|
||||||
|
|
||||||
|
dtmfsrc = GST_DTMF_SRC (GST_PAD_PARENT (pad));
|
||||||
|
|
||||||
|
GST_DEBUG_OBJECT (dtmfsrc, "Received an event on the src pad");
|
||||||
|
switch (GST_EVENT_TYPE (event)) {
|
||||||
|
case GST_EVENT_CUSTOM_UPSTREAM:
|
||||||
|
{
|
||||||
|
result = gst_dtmf_src_handle_custom_upstream (dtmfsrc, event);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
/* Ideally this element should not be flushed but let's handle the event
|
||||||
|
* just in case it is */
|
||||||
|
case GST_EVENT_FLUSH_START:
|
||||||
|
gst_dtmf_src_stop (dtmfsrc);
|
||||||
|
result = TRUE;
|
||||||
|
break;
|
||||||
|
case GST_EVENT_FLUSH_STOP:
|
||||||
|
gst_segment_init (&dtmfsrc->segment, GST_FORMAT_UNDEFINED);
|
||||||
|
break;
|
||||||
|
case GST_EVENT_NEWSEGMENT:
|
||||||
|
{
|
||||||
|
gboolean update;
|
||||||
|
gdouble rate;
|
||||||
|
GstFormat fmt;
|
||||||
|
gint64 start, stop, position;
|
||||||
|
|
||||||
|
gst_event_parse_new_segment (event, &update, &rate, &fmt, &start,
|
||||||
|
&stop, &position);
|
||||||
|
gst_segment_set_newsegment (&dtmfsrc->segment, update, rate, fmt,
|
||||||
|
start, stop, position);
|
||||||
|
}
|
||||||
|
/* fallthrough */
|
||||||
|
default:
|
||||||
|
result = gst_pad_event_default (pad, event);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
gst_event_unref (event);
|
||||||
|
return result;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_dtmf_src_set_property (GObject * object, guint prop_id,
|
||||||
|
const GValue * value, GParamSpec * pspec)
|
||||||
|
{
|
||||||
|
GstDTMFSrc *dtmfsrc;
|
||||||
|
|
||||||
|
dtmfsrc = GST_DTMF_SRC (object);
|
||||||
|
|
||||||
|
switch (prop_id) {
|
||||||
|
case PROP_INTERVAL:
|
||||||
|
dtmfsrc->interval = g_value_get_int (value);
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_dtmf_src_get_property (GObject * object, guint prop_id, GValue * value,
|
||||||
|
GParamSpec * pspec)
|
||||||
|
{
|
||||||
|
GstDTMFSrc *dtmfsrc;
|
||||||
|
|
||||||
|
dtmfsrc = GST_DTMF_SRC (object);
|
||||||
|
|
||||||
|
switch (prop_id) {
|
||||||
|
case PROP_INTERVAL:
|
||||||
|
g_value_set_uint (value, dtmfsrc->interval);
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_dtmf_src_set_stream_lock (GstDTMFSrc *dtmfsrc, gboolean lock)
|
||||||
|
{
|
||||||
|
GstEvent *event;
|
||||||
|
GstStructure *structure;
|
||||||
|
|
||||||
|
structure = gst_structure_new ("stream-lock",
|
||||||
|
"lock", G_TYPE_BOOLEAN, lock, NULL);
|
||||||
|
|
||||||
|
event = gst_event_new_custom (GST_EVENT_CUSTOM_DOWNSTREAM_OOB, structure);
|
||||||
|
gst_pad_push_event (dtmfsrc->srcpad, event);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_dtmf_prepare_timestamps (GstDTMFSrc *dtmfsrc)
|
||||||
|
{
|
||||||
|
GstClock *clock;
|
||||||
|
|
||||||
|
clock = GST_ELEMENT_CLOCK (dtmfsrc);
|
||||||
|
if (clock != NULL)
|
||||||
|
dtmfsrc->timestamp = gst_clock_get_time (GST_ELEMENT_CLOCK (dtmfsrc));
|
||||||
|
|
||||||
|
else {
|
||||||
|
GST_ERROR_OBJECT (dtmfsrc, "No clock set for element %s",
|
||||||
|
GST_ELEMENT_NAME (dtmfsrc));
|
||||||
|
dtmfsrc->timestamp = GST_CLOCK_TIME_NONE;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_dtmf_src_start (GstDTMFSrc *dtmfsrc,
|
||||||
|
gint event_number, gint event_volume)
|
||||||
|
{
|
||||||
|
GstCaps * caps = gst_pad_get_pad_template_caps (dtmfsrc->srcpad);
|
||||||
|
|
||||||
|
dtmfsrc->event = CLAMP (event_number, MIN_EVENT, MAX_EVENT);
|
||||||
|
dtmfsrc->volume = CLAMP (event_volume, MIN_VOLUME, MAX_VOLUME);
|
||||||
|
|
||||||
|
gst_dtmf_prepare_timestamps (dtmfsrc);
|
||||||
|
|
||||||
|
/* Don't forget to get exclusive access to the stream */
|
||||||
|
gst_dtmf_src_set_stream_lock (dtmfsrc, TRUE);
|
||||||
|
|
||||||
|
if (!gst_pad_set_caps (dtmfsrc->srcpad, caps))
|
||||||
|
GST_ERROR_OBJECT (dtmfsrc,
|
||||||
|
"Failed to set caps %" GST_PTR_FORMAT " on src pad", caps);
|
||||||
|
else
|
||||||
|
GST_DEBUG_OBJECT (dtmfsrc,
|
||||||
|
"caps %" GST_PTR_FORMAT " set on src pad", caps);
|
||||||
|
|
||||||
|
|
||||||
|
if (!gst_pad_start_task (dtmfsrc->srcpad,
|
||||||
|
(GstTaskFunction) gst_dtmf_src_push_next_tone_packet, dtmfsrc)) {
|
||||||
|
GST_ERROR_OBJECT (dtmfsrc, "Failed to start task on src pad");
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_dtmf_src_stop (GstDTMFSrc *dtmfsrc)
|
||||||
|
{
|
||||||
|
/* Don't forget to release the stream lock */
|
||||||
|
gst_dtmf_src_set_stream_lock (dtmfsrc, FALSE);
|
||||||
|
|
||||||
|
if (!gst_pad_pause_task (dtmfsrc->srcpad)) {
|
||||||
|
GST_ERROR_OBJECT (dtmfsrc, "Failed to pause task on src pad");
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_dtmf_src_generate_tone(GstDTMFSrc *dtmfsrc, DTMF_KEY key, float duration, GstBuffer * buffer)
|
||||||
|
{
|
||||||
|
gint16 *p;
|
||||||
|
gint tone_size;
|
||||||
|
double i = 0;
|
||||||
|
double amplitude, f1, f2;
|
||||||
|
|
||||||
|
/* Create a buffer for the tone */
|
||||||
|
tone_size = ((duration/1000)*SAMPLE_RATE*SAMPLE_SIZE*CHANNELS)/8;
|
||||||
|
GST_BUFFER_SIZE (buffer) = tone_size;
|
||||||
|
GST_BUFFER_MALLOCDATA (buffer) = g_malloc(tone_size);
|
||||||
|
GST_BUFFER_DATA (buffer) = GST_BUFFER_MALLOCDATA (buffer);
|
||||||
|
|
||||||
|
p = (gint16 *) GST_BUFFER_MALLOCDATA (buffer);
|
||||||
|
|
||||||
|
/*
|
||||||
|
* For each sample point we calculate 'x' as the
|
||||||
|
* the amplitude value.
|
||||||
|
*/
|
||||||
|
for (i = 0; i < (tone_size / (SAMPLE_SIZE/8)); i++) {
|
||||||
|
/*
|
||||||
|
* We add the fundamental frequencies together.
|
||||||
|
*/
|
||||||
|
f1 = sin(2 * M_PI * key.low_frequency * (dtmfsrc->sample / SAMPLE_RATE));
|
||||||
|
f2 = sin(2 * M_PI * key.high_frequency * (dtmfsrc->sample / SAMPLE_RATE));
|
||||||
|
|
||||||
|
amplitude = (f1 + f2) / 2;
|
||||||
|
|
||||||
|
/* Make the [-1:1] interval into a [-32767:32767] interval */
|
||||||
|
amplitude *= 32767;
|
||||||
|
|
||||||
|
/* Store it in the data buffer */
|
||||||
|
*(p++) = (gint16) amplitude;
|
||||||
|
|
||||||
|
(dtmfsrc->sample)++;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_dtmf_src_wait_for_buffer_ts (GstDTMFSrc *dtmfsrc, GstBuffer * buf)
|
||||||
|
{
|
||||||
|
GstClock *clock;
|
||||||
|
|
||||||
|
clock = GST_ELEMENT_CLOCK (dtmfsrc);
|
||||||
|
if (clock != NULL) {
|
||||||
|
GstClockID clock_id;
|
||||||
|
GstClockReturn clock_ret;
|
||||||
|
|
||||||
|
clock_id = gst_clock_new_single_shot_id (clock, GST_BUFFER_TIMESTAMP (buf));
|
||||||
|
clock_ret = gst_clock_id_wait (clock_id, NULL);
|
||||||
|
if (clock_ret != GST_CLOCK_OK && clock_ret != GST_CLOCK_EARLY) {
|
||||||
|
GST_ERROR_OBJECT (dtmfsrc, "Failed to wait on clock %s",
|
||||||
|
GST_ELEMENT_NAME (clock));
|
||||||
|
}
|
||||||
|
gst_clock_id_unref (clock_id);
|
||||||
|
}
|
||||||
|
|
||||||
|
else {
|
||||||
|
GST_ERROR_OBJECT (dtmfsrc, "No clock set for element %s",
|
||||||
|
GST_ELEMENT_NAME (dtmfsrc));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
static GstBuffer *
|
||||||
|
gst_dtmf_src_create_next_tone_packet (GstDTMFSrc *dtmfsrc)
|
||||||
|
{
|
||||||
|
GstBuffer *buf = NULL;
|
||||||
|
|
||||||
|
|
||||||
|
GST_DEBUG_OBJECT (dtmfsrc,
|
||||||
|
"Creating buffer for tone");
|
||||||
|
|
||||||
|
/* create buffer to hold the tone */
|
||||||
|
buf = gst_buffer_new ();
|
||||||
|
|
||||||
|
/* Generate the tone */
|
||||||
|
gst_dtmf_src_generate_tone(dtmfsrc, DTMF_KEYS[dtmfsrc->event], dtmfsrc->interval, buf);
|
||||||
|
|
||||||
|
|
||||||
|
/* timestamp and duration of GstBuffer */
|
||||||
|
GST_BUFFER_DURATION (buf) = dtmfsrc->interval * GST_MSECOND;
|
||||||
|
GST_BUFFER_TIMESTAMP (buf) = dtmfsrc->timestamp;
|
||||||
|
dtmfsrc->timestamp += GST_BUFFER_DURATION (buf) /2;
|
||||||
|
|
||||||
|
/* FIXME: Should we sync to clock ourselves or leave it to sink */
|
||||||
|
gst_dtmf_src_wait_for_buffer_ts (dtmfsrc, buf);
|
||||||
|
|
||||||
|
/* Set caps on the buffer before pushing it */
|
||||||
|
gst_buffer_set_caps (buf, GST_PAD_CAPS (dtmfsrc->srcpad));
|
||||||
|
|
||||||
|
return buf;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_dtmf_src_push_next_tone_packet (GstDTMFSrc *dtmfsrc)
|
||||||
|
{
|
||||||
|
GstBuffer *buf = NULL;
|
||||||
|
GstFlowReturn ret;
|
||||||
|
|
||||||
|
buf = gst_dtmf_src_create_next_tone_packet (dtmfsrc);
|
||||||
|
|
||||||
|
gst_buffer_ref(buf);
|
||||||
|
|
||||||
|
GST_DEBUG_OBJECT (dtmfsrc,
|
||||||
|
"pushing buffer on src pad of size %d", GST_BUFFER_SIZE (buf));
|
||||||
|
ret = gst_pad_push (dtmfsrc->srcpad, buf);
|
||||||
|
if (ret != GST_FLOW_OK) {
|
||||||
|
GST_ERROR_OBJECT (dtmfsrc, "Failed to push buffer on src pad", GST_BUFFER_SIZE (buf));
|
||||||
|
}
|
||||||
|
|
||||||
|
gst_buffer_unref(buf);
|
||||||
|
GST_DEBUG_OBJECT (dtmfsrc, "pushed DTMF tone on src pad");
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
static GstStateChangeReturn
|
||||||
|
gst_dtmf_src_change_state (GstElement * element, GstStateChange transition)
|
||||||
|
{
|
||||||
|
GstDTMFSrc *dtmfsrc;
|
||||||
|
GstStateChangeReturn result;
|
||||||
|
gboolean no_preroll = FALSE;
|
||||||
|
|
||||||
|
dtmfsrc = GST_DTMF_SRC (element);
|
||||||
|
|
||||||
|
switch (transition) {
|
||||||
|
case GST_STATE_CHANGE_READY_TO_PAUSED:
|
||||||
|
gst_segment_init (&dtmfsrc->segment, GST_FORMAT_UNDEFINED);
|
||||||
|
/* Indicate that we don't do PRE_ROLL */
|
||||||
|
no_preroll = TRUE;
|
||||||
|
break;
|
||||||
|
case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
|
||||||
|
/* gst_dtmf_src_start (dtmfsrc, 6, 30); */
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
if ((result =
|
||||||
|
GST_ELEMENT_CLASS (parent_class)->change_state (element,
|
||||||
|
transition)) == GST_STATE_CHANGE_FAILURE)
|
||||||
|
goto failure;
|
||||||
|
|
||||||
|
switch (transition) {
|
||||||
|
case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
|
||||||
|
/* Indicate that we don't do PRE_ROLL */
|
||||||
|
/* gst_dtmf_src_stop (dtmfsrc); */
|
||||||
|
no_preroll = TRUE;
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (no_preroll && result == GST_STATE_CHANGE_SUCCESS)
|
||||||
|
result = GST_STATE_CHANGE_NO_PREROLL;
|
||||||
|
|
||||||
|
return result;
|
||||||
|
|
||||||
|
/* ERRORS */
|
||||||
|
failure:
|
||||||
|
{
|
||||||
|
GST_ERROR_OBJECT (dtmfsrc, "parent failed state change");
|
||||||
|
return result;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
gboolean
|
||||||
|
gst_dtmf_src_plugin_init (GstPlugin * plugin)
|
||||||
|
{
|
||||||
|
return gst_element_register (plugin, "dtmfsrc",
|
||||||
|
GST_RANK_NONE, GST_TYPE_DTMF_SRC);
|
||||||
|
}
|
||||||
74
gst/dtmf/gstdtmfsrc.h
Normal file
74
gst/dtmf/gstdtmfsrc.h
Normal file
|
|
@ -0,0 +1,74 @@
|
||||||
|
/* GStreamer DTMF source
|
||||||
|
*
|
||||||
|
* gstdtmfsrc.h:
|
||||||
|
*
|
||||||
|
* Copyright (C) <2007> Collabora.
|
||||||
|
* Contact: Youness Alaoui <youness.alaoui@collabora.co.uk>
|
||||||
|
* Copyright (C) <2007> Nokia Corporation.
|
||||||
|
* Contact: Zeeshan Ali <zeeshan.ali@nokia.com>
|
||||||
|
* Copyright (C) <2005> Wim Taymans <wim@fluendo.com>
|
||||||
|
*
|
||||||
|
* 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_DTMF_SRC_H__
|
||||||
|
#define __GST_DTMF_SRC_H__
|
||||||
|
|
||||||
|
#include <gst/gst.h>
|
||||||
|
#include <gst/gstbuffer.h>
|
||||||
|
|
||||||
|
G_BEGIN_DECLS
|
||||||
|
|
||||||
|
#define GST_TYPE_DTMF_SRC (gst_dtmf_src_get_type())
|
||||||
|
#define GST_DTMF_SRC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DTMF_SRC,GstDTMFSrc))
|
||||||
|
#define GST_DTMF_SRC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DTMF_SRC,GstDTMFSrcClass))
|
||||||
|
#define GST_DTMF_SRC_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_DTMF_SRC, GstDTMFSrcClass))
|
||||||
|
#define GST_IS_DTMF_SRC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DTMF_SRC))
|
||||||
|
#define GST_IS_DTMF_SRC_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DTMF_SRC))
|
||||||
|
#define GST_DTMF_SRC_CAST(obj) ((GstDTMFSrc *)(obj))
|
||||||
|
|
||||||
|
typedef struct _GstDTMFSrc GstDTMFSrc;
|
||||||
|
typedef struct _GstDTMFSrcClass GstDTMFSrcClass;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* GstDTMFSrc:
|
||||||
|
* @element: the parent element.
|
||||||
|
*
|
||||||
|
* The opaque #GstDTMFSrc data structure.
|
||||||
|
*/
|
||||||
|
struct _GstDTMFSrc {
|
||||||
|
GstElement element;
|
||||||
|
GstPad *srcpad;
|
||||||
|
GstClockTime timestamp;
|
||||||
|
GstSegment segment;
|
||||||
|
double sample;
|
||||||
|
|
||||||
|
guint16 event;
|
||||||
|
guint16 volume;
|
||||||
|
guint16 interval;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct _GstDTMFSrcClass {
|
||||||
|
GstElementClass parent_class;
|
||||||
|
};
|
||||||
|
|
||||||
|
GType gst_dtmf_src_get_type (void);
|
||||||
|
|
||||||
|
gboolean gst_dtmf_src_plugin_init (GstPlugin * plugin);
|
||||||
|
|
||||||
|
G_END_DECLS
|
||||||
|
|
||||||
|
#endif /* __GST_DTMF_SRC_H__ */
|
||||||
|
|
@ -244,7 +244,7 @@ gst_rtp_dtmf_src_base_init (gpointer g_class)
|
||||||
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
|
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
|
||||||
|
|
||||||
GST_DEBUG_CATEGORY_INIT (gst_rtp_dtmf_src_debug,
|
GST_DEBUG_CATEGORY_INIT (gst_rtp_dtmf_src_debug,
|
||||||
"dtmfsrc", 0, "dtmfsrc element");
|
"rtpdtmfsrc", 0, "rtpdtmfsrc element");
|
||||||
|
|
||||||
gst_element_class_add_pad_template (element_class,
|
gst_element_class_add_pad_template (element_class,
|
||||||
gst_static_pad_template_get (&gst_rtp_dtmf_src_template));
|
gst_static_pad_template_get (&gst_rtp_dtmf_src_template));
|
||||||
|
|
@ -849,24 +849,9 @@ failure:
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
static gboolean
|
gboolean
|
||||||
gst_rtp_dtmf_src_plugin_init (GstPlugin * plugin)
|
gst_rtp_dtmf_src_plugin_init (GstPlugin * plugin)
|
||||||
{
|
{
|
||||||
return gst_element_register (plugin, "rtpdtmfsrc",
|
return gst_element_register (plugin, "rtpdtmfsrc",
|
||||||
GST_RANK_NONE, GST_TYPE_RTP_DTMF_SRC);
|
GST_RANK_NONE, GST_TYPE_RTP_DTMF_SRC);
|
||||||
}
|
}
|
||||||
|
|
||||||
static gboolean
|
|
||||||
plugin_init (GstPlugin * plugin)
|
|
||||||
{
|
|
||||||
if (!gst_rtp_dtmf_src_plugin_init (plugin))
|
|
||||||
return FALSE;
|
|
||||||
|
|
||||||
return TRUE;
|
|
||||||
}
|
|
||||||
|
|
||||||
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
|
|
||||||
GST_VERSION_MINOR,
|
|
||||||
"dtmf",
|
|
||||||
"DTMF plugins",
|
|
||||||
plugin_init, "0.1" , "LGPL", "DTMF", "");
|
|
||||||
|
|
|
||||||
|
|
@ -96,6 +96,9 @@ struct _GstRTPDTMFSrcClass {
|
||||||
|
|
||||||
GType gst_rtp_dtmf_src_get_type (void);
|
GType gst_rtp_dtmf_src_get_type (void);
|
||||||
|
|
||||||
|
gboolean gst_rtp_dtmf_src_plugin_init (GstPlugin * plugin);
|
||||||
|
|
||||||
|
|
||||||
G_END_DECLS
|
G_END_DECLS
|
||||||
|
|
||||||
#endif /* __GST_RTP_DTMF_SRC_H__ */
|
#endif /* __GST_RTP_DTMF_SRC_H__ */
|
||||||
|
|
|
||||||
Loading…
Reference in a new issue