mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-07-16 19:38:35 +00:00
Code Issues 1 Projects Releases Wiki Activity

gst/rtp/: Added G729 pay and depayloaders. Fixes #532409.

Browse source 
Original commit message from CVS:
Based on patch by: Olivier Crete <tester at tester dot ca>
* gst/rtp/Makefile.am:
* gst/rtp/gstrtp.c: (plugin_init):
* gst/rtp/gstrtpg729depay.c: (gst_rtp_g729_depay_base_init),
(gst_rtp_g729_depay_class_init), (gst_rtp_g729_depay_init),
(gst_rtp_g729_depay_setcaps), (gst_rtp_g729_depay_process),
(gst_rtp_g729_depay_plugin_init):
* gst/rtp/gstrtpg729depay.h:
* gst/rtp/gstrtpg729pay.c: (gst_rtpg729pay_base_init),
(gst_rtpg729pay_class_init), (gst_rtpg729pay_init),
(gst_rtpg729pay_setcaps), (gst_rtp_g729_pay_plugin_init):
* gst/rtp/gstrtpg729pay.h:
Added G729 pay and depayloaders. Fixes #532409.
This commit is contained in:
Olivier Crete 2008-05-13 08:35:55 +00:00 committed by Wim Taymans
parent aa959152d1
commit d6f37dadb5
7 changed files with 537 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

17
ChangeLog
View file

@ -1,3 +1,20 @@
2008-05-13 Wim Taymans <wim.taymans@collabora.co.uk>
Based on patch by: Olivier Crete <tester at tester dot ca>
* gst/rtp/Makefile.am:
* gst/rtp/gstrtp.c: (plugin_init):
* gst/rtp/gstrtpg729depay.c: (gst_rtp_g729_depay_base_init),
(gst_rtp_g729_depay_class_init), (gst_rtp_g729_depay_init),
(gst_rtp_g729_depay_setcaps), (gst_rtp_g729_depay_process),
(gst_rtp_g729_depay_plugin_init):
* gst/rtp/gstrtpg729depay.h:
* gst/rtp/gstrtpg729pay.c: (gst_rtpg729pay_base_init),
(gst_rtpg729pay_class_init), (gst_rtpg729pay_init),
(gst_rtpg729pay_setcaps), (gst_rtp_g729_pay_plugin_init):
* gst/rtp/gstrtpg729pay.h:
Added G729 pay and depayloaders. Fixes #532409.
2008-05-13 Wim Taymans <wim.taymans@collabora.co.uk>
* ext/speex/gstspeexdec.c: (speex_dec_sink_event):

4
gst/rtp/Makefile.am
View file

@ -17,6 +17,8 @@ libgstrtp_la_SOURCES = \
gstrtppcmudepay.c \
gstrtppcmupay.c \
gstrtppcmapay.c \
gstrtpg729pay.c \
gstrtpg729depay.c \
gstrtpgsmdepay.c \
gstrtpgsmpay.c \
gstrtpamrdepay.c \
@ -73,6 +75,8 @@ noinst_HEADERS = \
gstrtppcmudepay.h \
gstrtppcmupay.h \
gstrtppcmapay.h \
gstrtpg729depay.h \
gstrtpg729pay.h \
gstrtpgsmdepay.h \
gstrtpgsmpay.h \
gstrtpmpadepay.h \

8
gst/rtp/gstrtp.c
View file

@ -31,6 +31,8 @@
#include "gstrtppcmapay.h"
#include "gstrtppcmadepay.h"
#include "gstrtppcmudepay.h"
#include "gstrtpg729depay.h"
#include "gstrtpg729pay.h"
#include "gstrtpgsmpay.h"
#include "gstrtpgsmdepay.h"
#include "gstrtpamrpay.h"
@ -84,6 +86,12 @@ plugin_init (GstPlugin * plugin)
if (!gst_rtp_ilbc_depay_plugin_init (plugin))
return FALSE;
if (!gst_rtp_g729_depay_plugin_init (plugin))
return FALSE;
if (!gst_rtp_g729_pay_plugin_init (plugin))
return FALSE;
if (!gst_rtp_gsm_depay_plugin_init (plugin))
return FALSE;

240
gst/rtp/gstrtpg729depay.c Normal file
View file

@ -0,0 +1,240 @@
/* GStreamer
*
* 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.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <gst/rtp/gstrtpbuffer.h>
#include <stdlib.h>
#include <string.h>
#include "gstrtpg729depay.h"
/* references:
*
* RFC 3551 (4.5.6)
*/
/* elementfactory information */
static const GstElementDetails gst_rtp_g729depay_details =
GST_ELEMENT_DETAILS ("RTP packet depayloader",
"Codec/Depayloader/Network",
"Extracts G729 audio from RTP packets (RFC 3551)",
"Laurent Glayal <spglegle@yahoo.fr>");
enum
{
/* FILL ME */
LAST_SIGNAL
};
enum
{
ARG_0
};
/* input is an RTP packet
*
*/
static GstStaticPadTemplate gst_rtp_g729_depay_sink_template =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("application/x-rtp, "
"media = (string) \"audio\", "
"payload = (int) " GST_RTP_PAYLOAD_DYNAMIC_STRING ", "
"clock-rate = (int) 8000, "
"encoding-name = (string) \"G729\", "
"application/x-rtp, "
"media = (string) \"audio\", "
"payload = (int) " GST_RTP_PAYLOAD_G729_STRING ", "
"clock-rate = (int) 8000")
);
static GstStaticPadTemplate gst_rtp_g729_depay_src_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("audio/G729, " "channels = (int) 1," "rate = (int) 8000")
);
static gboolean gst_rtp_g729_depay_setcaps (GstBaseRTPDepayload * depayload,
GstCaps * caps);
static GstBuffer *gst_rtp_g729_depay_process (GstBaseRTPDepayload * depayload,
GstBuffer * buf);
GST_BOILERPLATE (GstRtpG729Depay, gst_rtp_g729_depay, GstBaseRTPDepayload,
GST_TYPE_BASE_RTP_DEPAYLOAD);
static void
gst_rtp_g729_depay_base_init (gpointer klass)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_rtp_g729_depay_src_template));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_rtp_g729_depay_sink_template));
gst_element_class_set_details (element_class, &gst_rtp_g729depay_details);
}
static void
gst_rtp_g729_depay_class_init (GstRtpG729DepayClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
GstBaseRTPDepayloadClass *gstbasertpdepayload_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
gstbasertpdepayload_class = (GstBaseRTPDepayloadClass *) klass;
parent_class = g_type_class_peek_parent (klass);
gstbasertpdepayload_class->process = gst_rtp_g729_depay_process;
gstbasertpdepayload_class->set_caps = gst_rtp_g729_depay_setcaps;
}
static void
gst_rtp_g729_depay_init (GstRtpG729Depay * rtpg729depay,
GstRtpG729DepayClass * klass)
{
GstBaseRTPDepayload *depayload;
depayload = GST_BASE_RTP_DEPAYLOAD (rtpg729depay);
depayload->clock_rate = 8000;
gst_pad_use_fixed_caps (GST_BASE_RTP_DEPAYLOAD_SRCPAD (depayload));
}
static gboolean
gst_rtp_g729_depay_setcaps (GstBaseRTPDepayload * depayload, GstCaps * caps)
{
GstStructure *structure;
GstCaps *srccaps;
GstRtpG729Depay *rtpg729depay;
const gchar *params;
gint clock_rate, channels;
gboolean ret;
rtpg729depay = GST_RTP_G729_DEPAY (depayload);
structure = gst_caps_get_structure (caps, 0);
if (!(params = gst_structure_get_string (structure, "encoding-params")))
channels = 1;
else {
channels = atoi (params);
}
if (!gst_structure_get_int (structure, "clock-rate", &clock_rate))
clock_rate = 8000;
if (channels != 1)
goto wrong_channels;
if (clock_rate != 8000)
goto wrong_clock_rate;
srccaps = gst_caps_new_simple ("audio/G729",
"channels", G_TYPE_INT, channels, "rate", G_TYPE_INT, clock_rate, NULL);
ret = gst_pad_set_caps (GST_BASE_RTP_DEPAYLOAD_SRCPAD (depayload), srccaps);
gst_caps_unref (srccaps);
rtpg729depay->negotiated = ret;
return ret;
/* ERRORS */
wrong_channels:
{
GST_DEBUG_OBJECT (rtpg729depay, "expected 1 channel, got %d",
rtpg729depay->channels);
return FALSE;
}
wrong_clock_rate:
{
GST_DEBUG_OBJECT (rtpg729depay, "expected 8000 clock-rate, got %d",
clock_rate);
return FALSE;
}
}
static GstBuffer *
gst_rtp_g729_depay_process (GstBaseRTPDepayload * depayload, GstBuffer * buf)
{
GstRtpG729Depay *rtpg729depay;
GstBuffer *outbuf = NULL;
gint payload_len;
rtpg729depay = GST_RTP_G729_DEPAY (depayload);
if (!rtpg729depay->negotiated)
goto not_negotiated;
if (!gst_rtp_buffer_validate (buf)) {
GST_ELEMENT_WARNING (rtpg729depay, STREAM, DECODE,
(NULL), ("G729 RTP packet did not validate"));
goto bad_packet;
}
payload_len = gst_rtp_buffer_get_payload_len (buf);
/* At least 2 bytes (CNG from G729 Annex B) */
if (payload_len < 2) {
GST_ELEMENT_WARNING (rtpg729depay, STREAM, DECODE,
(NULL), ("G729 RTP payload too small (%d)", payload_len));
goto bad_packet;
}
GST_DEBUG_OBJECT (rtpg729depay, "payload len %d", payload_len);
if ((payload_len % 10) == 2) {
GST_DEBUG_OBJECT (rtpg729depay, "G729 payload contains CNG frame");
}
outbuf = gst_rtp_buffer_get_payload_buffer (buf);
GST_DEBUG ("gst_rtp_g729_depay_chain: pushing buffer of size %d",
GST_BUFFER_SIZE (outbuf));
return outbuf;
/* ERRORS */
not_negotiated:
{
GST_ELEMENT_ERROR (rtpg729depay, STREAM, NOT_IMPLEMENTED,
(NULL), ("not negotiated"));
return NULL;
}
bad_packet:
{
/* no fatal error */
return NULL;
}
}
gboolean
gst_rtp_g729_depay_plugin_init (GstPlugin * plugin)
{
return gst_element_register (plugin, "rtpg729depay",
GST_RANK_MARGINAL, GST_TYPE_RTP_G729_DEPAY);
}

63
gst/rtp/gstrtpg729depay.h Normal file
View file

@ -0,0 +1,63 @@
/* GStreamer
*
* 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_RTP_G729_DEPAY_H__
#define __GST_RTP_G729_DEPAY_H__
#include <gst/gst.h>
#include <gst/rtp/gstbasertpdepayload.h>
G_BEGIN_DECLS
#define GST_TYPE_RTP_G729_DEPAY \
(gst_rtp_g729_depay_get_type())
#define GST_RTP_G729_DEPAY(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_G729_DEPAY,GstRtpG729Depay))
#define GST_RTP_G729_DEPAY_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_G729_DEPAY,GstRtpG729DepayClass))
#define GST_IS_RTP_G729_DEPAY(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_G729_DEPAY))
#define GST_IS_RTP_G729_DEPAY_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_G729_DEPAY))
typedef struct _GstRtpG729Depay GstRtpG729Depay;
typedef struct _GstRtpG729DepayClass GstRtpG729DepayClass;
struct _GstRtpG729Depay
{
GstBaseRTPDepayload depayload;
gboolean negotiated;
gint channels;
};
struct _GstRtpG729DepayClass
{
GstBaseRTPDepayloadClass parent_class;
};
gboolean gst_rtp_g729_depay_plugin_init (GstPlugin * plugin);
G_END_DECLS
#endif /* __GST_RTP_G729_DEPAY_H__ */

150
gst/rtp/gstrtpg729pay.c Normal file
View file

@ -0,0 +1,150 @@
/* GStreamer
*
* 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gstrtpg729pay.h"
#include <gst/rtp/gstrtpbuffer.h>
/* elementfactory information */
static GstElementDetails gst_rtpg729pay_details = {
"RTP Payloader for G729 Audio",
"Codec/Payloader/Network",
"Packetize G729 audio streams into RTP packets",
"Laurent Glayal <spglegle@yahoo.fr>"
};
GST_DEBUG_CATEGORY_STATIC (rtpg729pay_debug);
#define GST_CAT_DEFAULT (rtpg729pay_debug)
static GstStaticPadTemplate gst_rtpg729pay_sink_template =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("audio/G729, channels=(int)1, rate=(int)8000")
);
static GstStaticPadTemplate gst_rtpg729pay_src_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("application/x-rtp, "
"media = (string) \"audio\", "
"payload = (int) " GST_RTP_PAYLOAD_DYNAMIC_STRING ", "
"clock-rate = (int) 8000, " "encoding-name = (string) \"G729\";"
"application/x-rtp, "
"media = (string) \"audio\", "
"payload = (int) " GST_RTP_PAYLOAD_G729_STRING ", "
"clock-rate = (int) 8000")
);
static gboolean gst_rtpg729pay_setcaps (GstBaseRTPPayload * payload,
GstCaps * caps);
GST_BOILERPLATE (GstRtpG729Pay, gst_rtpg729pay, GstBaseRTPAudioPayload,
GST_TYPE_BASE_RTP_AUDIO_PAYLOAD);
static void
gst_rtpg729pay_base_init (gpointer klass)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_rtpg729pay_sink_template));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_rtpg729pay_src_template));
gst_element_class_set_details (element_class, &gst_rtpg729pay_details);
}
static void
gst_rtpg729pay_class_init (GstRtpG729PayClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
GstBaseRTPPayloadClass *gstbasertppayload_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
gstbasertppayload_class = (GstBaseRTPPayloadClass *) klass;
parent_class = g_type_class_ref (GST_TYPE_BASE_RTP_PAYLOAD);
gstbasertppayload_class->set_caps = gst_rtpg729pay_setcaps;
GST_DEBUG_CATEGORY_INIT (rtpg729pay_debug, "rtpg729pay", 0,
"G729 audio RTP payloader");
}
static void
gst_rtpg729pay_init (GstRtpG729Pay * rtpg729pay, GstRtpG729PayClass * klass)
{
GstBaseRTPPayload *basertppayload;
GstBaseRTPAudioPayload *basertpaudiopayload;
basertppayload = GST_BASE_RTP_PAYLOAD (rtpg729pay);
basertpaudiopayload = GST_BASE_RTP_AUDIO_PAYLOAD (rtpg729pay);
/* we don't set the payload type, it should be set by the application using
* the pt property or the default 96 will be used */
basertppayload->clock_rate = 8000;
/* tell basertpaudiopayload that this is a frame based codec */
gst_base_rtp_audio_payload_set_frame_based (basertpaudiopayload);
gst_basertppayload_set_options (basertppayload, "audio", FALSE, "G729", 8000);
gst_base_rtp_audio_payload_set_frame_options (basertpaudiopayload, 10, 10);
}
static gboolean
gst_rtpg729pay_setcaps (GstBaseRTPPayload * basertppayload, GstCaps * caps)
{
GstRtpG729Pay *rtpg729pay;
GstBaseRTPAudioPayload *basertpaudiopayload;
gboolean ret;
GstStructure *structure;
const char *payload_name;
rtpg729pay = GST_RTP_G729_PAY (basertppayload);
basertpaudiopayload = GST_BASE_RTP_AUDIO_PAYLOAD (basertppayload);
structure = gst_caps_get_structure (caps, 0);
payload_name = gst_structure_get_name (structure);
if (g_strcasecmp ("audio/G729", payload_name) != 0)
goto wrong_name;
ret = gst_basertppayload_set_outcaps (basertppayload, NULL);
return ret;
/* ERRORS */
wrong_name:
{
GST_ERROR_OBJECT (rtpg729pay, "wrong name, expected 'audio/G729', got '%s'",
payload_name);
return FALSE;
}
}
gboolean
gst_rtp_g729_pay_plugin_init (GstPlugin * plugin)
{
return gst_element_register (plugin, "rtpg729pay",
GST_RANK_NONE, GST_TYPE_RTP_G729_PAY);
}

55
gst/rtp/gstrtpg729pay.h Normal file
View file

@ -0,0 +1,55 @@
/* GStreamer
*
* 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_RTP_G729_PAY_H__
#define __GST_RTP_G729_PAY_H__
#include <gst/gst.h>
#include <gst/rtp/gstbasertpaudiopayload.h>
G_BEGIN_DECLS
#define GST_TYPE_RTP_G729_PAY \
(gst_rtpg729pay_get_type())
#define GST_RTP_G729_PAY(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_G729_PAY,GstRtpG729Pay))
#define GST_RTP_G729_PAY_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_G729_PAY,GstRtpG729PayClass))
#define GST_IS_RTP_G729_PAY(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_G729_PAY))
#define GST_IS_RTP_G729_PAY_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_G729_PAY))
typedef struct _GstRtpG729Pay GstRtpG729Pay;
typedef struct _GstRtpG729PayClass GstRtpG729PayClass;
struct _GstRtpG729Pay
{
GstBaseRTPAudioPayload audiopayload;
};
struct _GstRtpG729PayClass
{
GstBaseRTPAudioPayloadClass parent_class;
};
gboolean gst_rtp_g729_pay_plugin_init (GstPlugin * plugin);
G_END_DECLS
#endif /* __GST_RTP_G729_PAY_H__ */