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gst/rtp/: Added simple generic mpeg4 depayloader.

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Original commit message from CVS:
* gst/rtp/Makefile.am:
* gst/rtp/gstrtp.c: (plugin_init):
* gst/rtp/gstrtpmp4gdepay.c: (gst_rtp_mp4g_depay_base_init),
(gst_rtp_mp4g_depay_class_init), (gst_rtp_mp4g_depay_init),
(gst_rtp_mp4g_depay_setcaps), (gst_rtp_mp4g_depay_process),
(gst_rtp_mp4g_depay_set_property),
(gst_rtp_mp4g_depay_get_property),
(gst_rtp_mp4g_depay_change_state),
(gst_rtp_mp4g_depay_plugin_init):
* gst/rtp/gstrtpmp4gdepay.h:
* gst/rtp/gstrtpmp4gpay.c: (gst_rtp_mp4g_pay_class_init),
(gst_rtp_mp4g_pay_parse_audio_config), (gst_rtp_mp4g_pay_setcaps),
(gst_rtp_mp4g_pay_flush):
Added simple generic mpeg4 depayloader.
Fix generic mpeg4 payloader.
This commit is contained in:
Wim Taymans 2006-07-16 14:31:48 +00:00
parent 4965e7c58d
commit f6a274239a
6 changed files with 491 additions and 11 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

18
ChangeLog
View file

@ -1,3 +1,21 @@
2006-07-16 Wim Taymans <wim@fluendo.com>
* gst/rtp/Makefile.am:
* gst/rtp/gstrtp.c: (plugin_init):
* gst/rtp/gstrtpmp4gdepay.c: (gst_rtp_mp4g_depay_base_init),
(gst_rtp_mp4g_depay_class_init), (gst_rtp_mp4g_depay_init),
(gst_rtp_mp4g_depay_setcaps), (gst_rtp_mp4g_depay_process),
(gst_rtp_mp4g_depay_set_property),
(gst_rtp_mp4g_depay_get_property),
(gst_rtp_mp4g_depay_change_state),
(gst_rtp_mp4g_depay_plugin_init):
* gst/rtp/gstrtpmp4gdepay.h:
* gst/rtp/gstrtpmp4gpay.c: (gst_rtp_mp4g_pay_class_init),
(gst_rtp_mp4g_pay_parse_audio_config), (gst_rtp_mp4g_pay_setcaps),
(gst_rtp_mp4g_pay_flush):
Added simple generic mpeg4 depayloader.
Fix generic mpeg4 payloader.
2006-07-15 Tim-Philipp Müller <tim at centricular dot net>
* gst/rtsp/gstrtspsrc.c: (gst_rtspsrc_set_state):

2
gst/rtp/Makefile.am
View file

@ -20,6 +20,7 @@ libgstrtp_la_SOURCES = \
gstrtpmp2tdepay.c \
gstrtpmp4vdepay.c \
gstrtpmp4vpay.c \
gstrtpmp4gdepay.c \
gstrtpmp4gpay.c \
gstrtpspeexdepay.c \
gstrtpspeexpay.c
@ -56,6 +57,7 @@ noinst_HEADERS = \
gstrtpmp2tdepay.h \
gstrtpmp4vdepay.h \
gstrtpmp4vpay.h \
gstrtpmp4gdepay.h \
gstrtpmp4gpay.h \
gstrtpdepay.h \
gstasteriskh263.h \

8
gst/rtp/gstrtp.c
View file

@ -37,9 +37,10 @@
#include "gstrtph263pay.h"
#include "gstasteriskh263.h"
#include "gstrtpmp2tdepay.h"
#include "gstrtpmp4vpay.h"
#include "gstrtpmp4gpay.h"
#include "gstrtpmp4vdepay.h"
#include "gstrtpmp4vpay.h"
#include "gstrtpmp4gdepay.h"
#include "gstrtpmp4gpay.h"
#include "gstrtpspeexpay.h"
#include "gstrtpspeexdepay.h"
@ -100,6 +101,9 @@ plugin_init (GstPlugin * plugin)
if (!gst_rtp_mp4v_depay_plugin_init (plugin))
return FALSE;
if (!gst_rtp_mp4g_depay_plugin_init (plugin))
return FALSE;
if (!gst_rtp_mp4g_pay_plugin_init (plugin))
return FALSE;

382
gst/rtp/gstrtpmp4gdepay.c Normal file
View file

@ -0,0 +1,382 @@
/* GStreamer
* 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.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <gst/rtp/gstrtpbuffer.h>
#include <string.h>
#include "gstrtpmp4gdepay.h"
GST_DEBUG_CATEGORY_STATIC (rtpmp4gdepay_debug);
#define GST_CAT_DEFAULT (rtpmp4gdepay_debug)
/* elementfactory information */
static const GstElementDetails gst_rtp_mp4gdepay_details =
GST_ELEMENT_DETAILS ("RTP packet parser",
"Codec/Depay/Network",
"Extracts MPEG4 elementary streams from RTP packets (RFC 3640)",
"Wim Taymans <wim@fluendo.com>");
/* RtpMP4GDepay signals and args */
enum
{
/* FILL ME */
LAST_SIGNAL
};
enum
{
ARG_0,
ARG_FREQUENCY
};
static GstStaticPadTemplate gst_rtp_mp4g_depay_src_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("video/mpeg,"
"mpegversion=(int) 4,"
"systemstream=(boolean)false;" "audio/mpeg," "mpegversion=(int) 4")
);
static GstStaticPadTemplate gst_rtp_mp4g_depay_sink_template =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("application/x-rtp, "
"media = (string) { \"video\", \"audio\", \"application\" }, "
"payload = (int) [ 96, 127 ], "
"clock-rate = (int) [1, MAX ], "
"encoding-name = (string) \"mpeg4-generic\", "
/* required string params */
"streamtype = (int) { \"4\", \"5\" }, " /* 4 = video, 5 = audio */
"profile-level-id = (int) [1,MAX], "
/* "config = (string) [1,MAX]" */
"mode = (string) { \"generic\", \"CELP-cbr\", \"CELP-vbr\", \"AAC-lbr\", \"AAC-hbr\" }, "
/* Optional general parameters */
"objecttype = (int) [1,MAX], " "constantsize = (int) [1,MAX], " /* constant size of each AU */
"constantduration = (int) [1,MAX], " /* constant duration of each AU */
"maxdisplacement = (int) [1,MAX], "
"de-interleavebuffersize = (int) [1,MAX], "
/* Optional configuration parameters */
"sizelength = (int) [1, 16], " /* max 16 bits, should be enough... */
"indexlength = (int) [1, 8], "
"indexdeltalength = (int) [1, 8], "
"ctsdeltalength = (int) [1, 64], "
"dtsdeltalength = (int) [1, 64], "
"randomaccessindication = (int) {0, 1}, "
"streamstateindication = (int) [0, 64], "
"auxiliarydatasizelength = (int) [0, 64]")
);
GST_BOILERPLATE (GstRtpMP4GDepay, gst_rtp_mp4g_depay, GstBaseRTPDepayload,
GST_TYPE_BASE_RTP_DEPAYLOAD);
static gboolean gst_rtp_mp4g_depay_setcaps (GstBaseRTPDepayload * depayload,
GstCaps * caps);
static GstBuffer *gst_rtp_mp4g_depay_process (GstBaseRTPDepayload * depayload,
GstBuffer * buf);
static void gst_rtp_mp4g_depay_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_rtp_mp4g_depay_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static GstStateChangeReturn gst_rtp_mp4g_depay_change_state (GstElement *
element, GstStateChange transition);
static void
gst_rtp_mp4g_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_mp4g_depay_src_template));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_rtp_mp4g_depay_sink_template));
gst_element_class_set_details (element_class, &gst_rtp_mp4gdepay_details);
}
static void
gst_rtp_mp4g_depay_class_init (GstRtpMP4GDepayClass * 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_mp4g_depay_process;
gstbasertpdepayload_class->set_caps = gst_rtp_mp4g_depay_setcaps;
gobject_class->set_property = gst_rtp_mp4g_depay_set_property;
gobject_class->get_property = gst_rtp_mp4g_depay_get_property;
gstelement_class->change_state = gst_rtp_mp4g_depay_change_state;
GST_DEBUG_CATEGORY_INIT (rtpmp4gdepay_debug, "rtpmp4gdepay", 0,
"MP4-generic RTP Depayloader");
}
static void
gst_rtp_mp4g_depay_init (GstRtpMP4GDepay * rtpmp4gdepay,
GstRtpMP4GDepayClass * klass)
{
}
static gboolean
gst_rtp_mp4g_depay_setcaps (GstBaseRTPDepayload * depayload, GstCaps * caps)
{
GstStructure *structure;
GstRtpMP4GDepay *rtpmp4gdepay;
GstCaps *srccaps = NULL;
const gchar *str;
gint clock_rate = 90000; /* default */
gint someint;
rtpmp4gdepay = GST_RTP_MP4G_DEPAY (depayload);
structure = gst_caps_get_structure (caps, 0);
gst_structure_get_int (structure, "clock-rate", &clock_rate);
depayload->clock_rate = clock_rate;
if ((str = gst_structure_get_string (structure, "media"))) {
if (strcmp (str, "audio") == 0) {
srccaps = gst_caps_new_simple ("audio/mpeg",
"mpegversion", G_TYPE_INT, 4, NULL);
} else if (strcmp (str, "video") == 0) {
srccaps = gst_caps_new_simple ("video/mpeg",
"mpegversion", G_TYPE_INT, 4,
"systemstream", G_TYPE_BOOLEAN, FALSE, NULL);
}
}
if (srccaps == NULL)
goto unknown_media;
/* these values are optional and have a default value of 0 (no header) */
if (!gst_structure_get_int (structure, "sizelength", &someint))
someint = 0;
rtpmp4gdepay->sizelength = someint;
if (!gst_structure_get_int (structure, "indexlength", &someint))
someint = 0;
rtpmp4gdepay->indexlength = someint;
if (!gst_structure_get_int (structure, "indexlength", &someint))
someint = 0;
rtpmp4gdepay->indexdeltalength = someint;
if (!gst_structure_get_int (structure, "ctsdeltalength", &someint))
someint = 0;
rtpmp4gdepay->ctsdeltalength = someint;
if (!gst_structure_get_int (structure, "dtsdeltalength", &someint))
someint = 0;
rtpmp4gdepay->dtsdeltalength = someint;
if (!gst_structure_get_int (structure, "randomaccessindication", &someint))
someint = 0;
rtpmp4gdepay->randomaccessindication = someint > 0 ? 1 : 0;
if (!gst_structure_get_int (structure, "streamstateindication", &someint))
someint = 0;
rtpmp4gdepay->streamstateindication = someint;
if (!gst_structure_get_int (structure, "auxiliarydatasizelength", &someint))
someint = 0;
rtpmp4gdepay->auxiliarydatasizelength = someint;
/* get config string */
if ((str = gst_structure_get_string (structure, "config"))) {
GValue v = { 0 };
g_value_init (&v, GST_TYPE_BUFFER);
if (gst_value_deserialize (&v, str)) {
GstBuffer *buffer;
buffer = gst_value_get_buffer (&v);
gst_buffer_ref (buffer);
g_value_unset (&v);
gst_caps_set_simple (srccaps,
"codec_data", GST_TYPE_BUFFER, buffer, NULL);
} else {
g_warning ("cannot convert config to buffer");
}
}
gst_pad_set_caps (depayload->srcpad, srccaps);
gst_caps_unref (srccaps);
return TRUE;
/* ERRORS */
unknown_media:
{
GST_DEBUG_OBJECT (rtpmp4gdepay, "Unknown media type");
return FALSE;
}
}
static GstBuffer *
gst_rtp_mp4g_depay_process (GstBaseRTPDepayload * depayload, GstBuffer * buf)
{
GstRtpMP4GDepay *rtpmp4gdepay;
GstBuffer *outbuf;
rtpmp4gdepay = GST_RTP_MP4G_DEPAY (depayload);
if (!gst_rtp_buffer_validate (buf))
goto bad_packet;
{
gint payload_len;
guint8 *payload;
guint32 timestamp;
payload_len = gst_rtp_buffer_get_payload_len (buf);
payload = gst_rtp_buffer_get_payload (buf);
/* skip header */
payload += 4;
payload_len -= 4;
timestamp = gst_rtp_buffer_get_timestamp (buf);
outbuf = gst_buffer_new_and_alloc (payload_len);
memcpy (GST_BUFFER_DATA (outbuf), payload, payload_len);
gst_adapter_push (rtpmp4gdepay->adapter, outbuf);
/* if this was the last packet of the VOP, create and push a buffer */
if (gst_rtp_buffer_get_marker (buf)) {
guint avail;
avail = gst_adapter_available (rtpmp4gdepay->adapter);
outbuf = gst_buffer_new ();
GST_BUFFER_SIZE (outbuf) = avail;
GST_BUFFER_MALLOCDATA (outbuf) =
gst_adapter_take (rtpmp4gdepay->adapter, avail);
GST_BUFFER_DATA (outbuf) = GST_BUFFER_MALLOCDATA (outbuf);
gst_buffer_set_caps (outbuf, GST_PAD_CAPS (depayload->srcpad));
GST_BUFFER_TIMESTAMP (outbuf) =
timestamp * GST_SECOND / depayload->clock_rate;
GST_DEBUG ("gst_rtp_mp4g_depay_chain: pushing buffer of size %d",
GST_BUFFER_SIZE (outbuf));
return outbuf;
} else {
return NULL;
}
}
return NULL;
bad_packet:
{
GST_ELEMENT_WARNING (rtpmp4gdepay, STREAM, DECODE,
("Packet did not validate"), (NULL));
return NULL;
}
}
static void
gst_rtp_mp4g_depay_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstRtpMP4GDepay *rtpmp4gdepay;
rtpmp4gdepay = GST_RTP_MP4G_DEPAY (object);
switch (prop_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_rtp_mp4g_depay_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstRtpMP4GDepay *rtpmp4gdepay;
rtpmp4gdepay = GST_RTP_MP4G_DEPAY (object);
switch (prop_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static GstStateChangeReturn
gst_rtp_mp4g_depay_change_state (GstElement * element,
GstStateChange transition)
{
GstRtpMP4GDepay *rtpmp4gdepay;
GstStateChangeReturn ret;
rtpmp4gdepay = GST_RTP_MP4G_DEPAY (element);
switch (transition) {
case GST_STATE_CHANGE_NULL_TO_READY:
rtpmp4gdepay->adapter = gst_adapter_new ();
break;
case GST_STATE_CHANGE_READY_TO_PAUSED:
gst_adapter_clear (rtpmp4gdepay->adapter);
break;
default:
break;
}
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
switch (transition) {
case GST_STATE_CHANGE_READY_TO_NULL:
g_object_unref (rtpmp4gdepay->adapter);
rtpmp4gdepay->adapter = NULL;
break;
default:
break;
}
return ret;
}
gboolean
gst_rtp_mp4g_depay_plugin_init (GstPlugin * plugin)
{
return gst_element_register (plugin, "rtpmp4gdepay",
GST_RANK_NONE, GST_TYPE_RTP_MP4G_DEPAY);
}

70
gst/rtp/gstrtpmp4gdepay.h Normal file
View file

@ -0,0 +1,70 @@
/* GStreamer
* 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_RTP_MP4G_DEPAY_H__
#define __GST_RTP_MP4G_DEPAY_H__
#include <gst/gst.h>
#include <gst/base/gstadapter.h>
#include <gst/rtp/gstbasertpdepayload.h>
G_BEGIN_DECLS
#define GST_TYPE_RTP_MP4G_DEPAY \
(gst_rtp_mp4g_depay_get_type())
#define GST_RTP_MP4G_DEPAY(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_MP4G_DEPAY,GstRtpMP4GDepay))
#define GST_RTP_MP4G_DEPAY_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_MP4G_DEPAY,GstRtpMP4GDepayClass))
#define GST_IS_RTP_MP4G_DEPAY(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_MP4G_DEPAY))
#define GST_IS_RTP_MP4G_DEPAY_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_MP4G_DEPAY))
typedef struct _GstRtpMP4GDepay GstRtpMP4GDepay;
typedef struct _GstRtpMP4GDepayClass GstRtpMP4GDepayClass;
struct _GstRtpMP4GDepay
{
GstBaseRTPDepayload depayload;
gint profile_level_id;
gint streamtype;
gint sizelength;
gint indexlength;
gint indexdeltalength;
gint ctsdeltalength;
gint dtsdeltalength;
gint randomaccessindication;
gint streamstateindication;
gint auxiliarydatasizelength;
GstAdapter *adapter;
};
struct _GstRtpMP4GDepayClass
{
GstBaseRTPDepayloadClass parent_class;
};
gboolean gst_rtp_mp4g_depay_plugin_init (GstPlugin * plugin);
G_END_DECLS
#endif /* __GST_RTP_MP4G_DEPAY_H__ */

22
gst/rtp/gstrtpmp4gpay.c
View file

@ -51,12 +51,12 @@ GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("application/x-rtp, "
"media = (string) \"video\", "
"media = (string) { \"video\", \"audio\", \"application\" }, "
"payload = (int) [ 96, 127 ], "
"clock-rate = (int) [1, MAX ], "
"encoding-name = (string) \"mpeg4-generic\", "
/* required string params */
"streamtype = (string) { \"4\", \"5\" }, " /* 4 = video, 5 = audio */
"streamtype = (int) { \"4\", \"5\" }, " /* 4 = video, 5 = audio */
"profile-level-id = (int) [1,MAX], "
/* "config = (string) [1,MAX]" */
"mode = (string) { \"generic\", \"CELP-cbr\", \"CELP-vbr\", \"AAC-lbr\", \"AAC-hbr\" }, "
@ -64,7 +64,7 @@ GST_STATIC_PAD_TEMPLATE ("src",
"objecttype = (int) [1,MAX], " "constantsize = (int) [1,MAX], " /* constant size of each AU */
"constantduration = (int) [1,MAX], " /* constant duration of each AU */
"maxdisplacement = (int) [1,MAX], "
"de-interleavebuffersize: = (int) [1,MAX], "
"de-interleavebuffersize = (int) [1,MAX], "
/* Optional configuration parameters */
"sizelength = (int) [1, 16], " /* max 16 bits, should be enough... */
"indexlength = (int) [1, 8], "
@ -160,7 +160,6 @@ gst_rtp_mp4g_pay_class_init (GstRtpMP4GPayClass * klass)
GST_DEBUG_CATEGORY_INIT (rtpmp4gpay_debug, "rtpmp4gpay", 0,
"MP4-generic RTP Payloader");
}
static void
@ -237,7 +236,7 @@ gst_rtp_mp4g_pay_parse_audio_config (GstRtpMP4GPay * rtpmp4gpay,
/* audio stream type */
rtpmp4gpay->streamtype = 5;
/* mode */
rtpmp4gpay->mode = "ACC-hbr";
rtpmp4gpay->mode = "AAC-hbr";
/* profile (should be 1) */
rtpmp4gpay->profile = objectType - 1;
@ -363,7 +362,7 @@ gst_rtp_mp4g_pay_setcaps (GstBaseRTPPayload * payload, GstCaps * caps)
GstRtpMP4GPay *rtpmp4gpay;
GstStructure *structure;
const GValue *codec_data;
gboolean res = TRUE;
gchar *media_type = NULL;
rtpmp4gpay = GST_RTP_MP4G_PAY (payload);
@ -375,6 +374,7 @@ gst_rtp_mp4g_pay_setcaps (GstBaseRTPPayload * payload, GstCaps * caps)
if (G_VALUE_TYPE (codec_data) == GST_TYPE_BUFFER) {
GstBuffer *buffer;
const gchar *name;
gboolean res;
buffer = gst_value_get_buffer (codec_data);
GST_LOG_OBJECT (rtpmp4gpay, "configuring codec_data");
@ -384,8 +384,10 @@ gst_rtp_mp4g_pay_setcaps (GstBaseRTPPayload * payload, GstCaps * caps)
/* parse buffer */
if (!strcmp (name, "audio/mpeg")) {
res = gst_rtp_mp4g_pay_parse_audio_config (rtpmp4gpay, buffer);
media_type = "audio";
} else if (!strcmp (name, "video/mpeg")) {
res = gst_rtp_mp4g_pay_parse_video_config (rtpmp4gpay, buffer);
media_type = "video";
} else {
res = FALSE;
}
@ -399,13 +401,15 @@ gst_rtp_mp4g_pay_setcaps (GstBaseRTPPayload * payload, GstCaps * caps)
rtpmp4gpay->config = gst_buffer_copy (buffer);
}
}
if (media_type == NULL)
goto config_failed;
gst_basertppayload_set_options (payload, "video", TRUE, "mpeg4-generic",
gst_basertppayload_set_options (payload, media_type, TRUE, "mpeg4-generic",
rtpmp4gpay->rate);
gst_rtp_mp4g_pay_new_caps (rtpmp4gpay);
return res;
return TRUE;
/* ERRORS */
config_failed:
@ -503,7 +507,7 @@ gst_rtp_mp4g_pay_flush (GstRtpMP4GPay * rtpmp4gpay)
gst_adapter_flush (rtpmp4gpay->adapter, payload_len);
/* marker only if the packet is complete */
gst_rtp_buffer_set_marker (outbuf, avail > payload_len);
gst_rtp_buffer_set_marker (outbuf, avail <= payload_len);
GST_BUFFER_TIMESTAMP (outbuf) = rtpmp4gpay->first_ts;