Commit 98039503 authored by Wim Taymans's avatar Wim Taymans

gst/rtp/: Added mpeg4 video payload encoder/decoder.

Original commit message from CVS:
* gst/rtp/Makefile.am:
* gst/rtp/gstrtp.c: (plugin_init):
* gst/rtp/gstrtpmp4vdec.c: (gst_rtpmp4vdec_get_type),
(gst_rtpmp4vdec_base_init), (gst_rtpmp4vdec_class_init),
(gst_rtpmp4vdec_init), (gst_rtpmp4vdec_setcaps),
(gst_rtpmp4vdec_chain), (gst_rtpmp4vdec_set_property),
(gst_rtpmp4vdec_get_property), (gst_rtpmp4vdec_change_state),
(gst_rtpmp4vdec_plugin_init):
* gst/rtp/gstrtpmp4vdec.h:
* gst/rtp/gstrtpmp4venc.c: (gst_rtpmp4venc_get_type),
(gst_rtpmp4venc_base_init), (gst_rtpmp4venc_class_init),
(gst_rtpmp4venc_init), (gst_rtpmp4venc_setcaps),
(gst_rtpmp4venc_flush), (gst_rtpmp4venc_chain),
(gst_rtpmp4venc_set_property), (gst_rtpmp4venc_get_property),
(gst_rtpmp4venc_change_state), (gst_rtpmp4venc_plugin_init):
* gst/rtp/gstrtpmp4venc.h:
* gst/rtp/gstrtpmpadec.c: (gst_rtpmpadec_chain):
* gst/rtp/gstrtpmpaenc.c: (gst_rtpmpaenc_flush):
Added mpeg4 video payload encoder/decoder.
Added some docs in mpa payloader.
parent a0fc3846
2005-09-06 Wim Taymans <wim@fluendo.com>
* gst/rtp/Makefile.am:
* gst/rtp/gstrtp.c: (plugin_init):
* gst/rtp/gstrtpmp4vdec.c: (gst_rtpmp4vdec_get_type),
(gst_rtpmp4vdec_base_init), (gst_rtpmp4vdec_class_init),
(gst_rtpmp4vdec_init), (gst_rtpmp4vdec_setcaps),
(gst_rtpmp4vdec_chain), (gst_rtpmp4vdec_set_property),
(gst_rtpmp4vdec_get_property), (gst_rtpmp4vdec_change_state),
(gst_rtpmp4vdec_plugin_init):
* gst/rtp/gstrtpmp4vdec.h:
* gst/rtp/gstrtpmp4venc.c: (gst_rtpmp4venc_get_type),
(gst_rtpmp4venc_base_init), (gst_rtpmp4venc_class_init),
(gst_rtpmp4venc_init), (gst_rtpmp4venc_setcaps),
(gst_rtpmp4venc_flush), (gst_rtpmp4venc_chain),
(gst_rtpmp4venc_set_property), (gst_rtpmp4venc_get_property),
(gst_rtpmp4venc_change_state), (gst_rtpmp4venc_plugin_init):
* gst/rtp/gstrtpmp4venc.h:
* gst/rtp/gstrtpmpadec.c: (gst_rtpmpadec_chain):
* gst/rtp/gstrtpmpaenc.c: (gst_rtpmpaenc_flush):
Added mpeg4 video payload encoder/decoder.
Added some docs in mpa payloader.
=== release 0.9.1 ===
2005-09-06 Thomas Vander Stichele <thomas at apestaart dot org>
......
......@@ -7,7 +7,9 @@ libgstrtp_la_SOURCES = gstrtp.c \
gstrtpamrdec.c \
gstrtpamrenc.c \
gstrtph263pdec.c \
gstrtph263penc.c
gstrtph263penc.c \
gstrtpmp4venc.c \
gstrtpmp4vdec.c
#gstrtpL16enc.c gstrtpL16parse.c gstrtpgsmenc.c gstrtpgsmparse.c
......@@ -26,4 +28,6 @@ noinst_HEADERS = gstrtpL16enc.h \
gstrtpmpaenc.h \
gstrtph263pdec.h \
gstrtph263penc.h \
gstrtpmp4venc.h \
gstrtpmp4vdec.h \
gstrtpdec.h
......@@ -28,6 +28,8 @@
#include "gstrtpmpadec.h"
#include "gstrtph263pdec.h"
#include "gstrtph263penc.h"
#include "gstrtpmp4venc.h"
#include "gstrtpmp4vdec.h"
static gboolean
plugin_init (GstPlugin * plugin)
......@@ -53,6 +55,12 @@ plugin_init (GstPlugin * plugin)
if (!gst_rtph263pdec_plugin_init (plugin))
return FALSE;
if (!gst_rtpmp4venc_plugin_init (plugin))
return FALSE;
if (!gst_rtpmp4vdec_plugin_init (plugin))
return FALSE;
return TRUE;
}
......
/* 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
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <gst/rtp/gstrtpbuffer.h>
#include <string.h>
#include "gstrtpmp4vdec.h"
/* elementfactory information */
static GstElementDetails gst_rtp_mp4vdec_details = {
"RTP packet parser",
"Codec/Parser/Network",
"Extracts MPEG4 video from RTP packets (RFC 3016)",
"Wim Taymans <wim@fluendo.com>"
};
/* RtpMP4VDec signals and args */
enum
{
/* FILL ME */
LAST_SIGNAL
};
enum
{
ARG_0,
ARG_FREQUENCY
};
static GstStaticPadTemplate gst_rtpmp4vdec_src_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("video/mpeg,"
"mpegversion=(int) 4," "systemstream=(boolean)false")
);
static GstStaticPadTemplate gst_rtpmp4vdec_sink_template =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("application/x-rtp"
/* All optional parameters
*
* "rate=(int) [1, MAX],"
* "profile-level-id=[1,MAX]"
* "config="
*/
)
);
static void gst_rtpmp4vdec_class_init (GstRtpMP4VDecClass * klass);
static void gst_rtpmp4vdec_base_init (GstRtpMP4VDecClass * klass);
static void gst_rtpmp4vdec_init (GstRtpMP4VDec * rtpmp4vdec);
static gboolean gst_rtpmp4vdec_setcaps (GstPad * pad, GstCaps * caps);
static GstFlowReturn gst_rtpmp4vdec_chain (GstPad * pad, GstBuffer * buffer);
static void gst_rtpmp4vdec_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_rtpmp4vdec_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static GstStateChangeReturn gst_rtpmp4vdec_change_state (GstElement * element,
GstStateChange transition);
static GstElementClass *parent_class = NULL;
static GType
gst_rtpmp4vdec_get_type (void)
{
static GType rtpmp4vdec_type = 0;
if (!rtpmp4vdec_type) {
static const GTypeInfo rtpmp4vdec_info = {
sizeof (GstRtpMP4VDecClass),
(GBaseInitFunc) gst_rtpmp4vdec_base_init,
NULL,
(GClassInitFunc) gst_rtpmp4vdec_class_init,
NULL,
NULL,
sizeof (GstRtpMP4VDec),
0,
(GInstanceInitFunc) gst_rtpmp4vdec_init,
};
rtpmp4vdec_type =
g_type_register_static (GST_TYPE_ELEMENT, "GstRtpMP4VDec",
&rtpmp4vdec_info, 0);
}
return rtpmp4vdec_type;
}
static void
gst_rtpmp4vdec_base_init (GstRtpMP4VDecClass * klass)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_rtpmp4vdec_src_template));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_rtpmp4vdec_sink_template));
gst_element_class_set_details (element_class, &gst_rtp_mp4vdec_details);
}
static void
gst_rtpmp4vdec_class_init (GstRtpMP4VDecClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
gobject_class->set_property = gst_rtpmp4vdec_set_property;
gobject_class->get_property = gst_rtpmp4vdec_get_property;
gstelement_class->change_state = gst_rtpmp4vdec_change_state;
}
static void
gst_rtpmp4vdec_init (GstRtpMP4VDec * rtpmp4vdec)
{
rtpmp4vdec->srcpad =
gst_pad_new_from_template (gst_static_pad_template_get
(&gst_rtpmp4vdec_src_template), "src");
gst_element_add_pad (GST_ELEMENT (rtpmp4vdec), rtpmp4vdec->srcpad);
rtpmp4vdec->sinkpad =
gst_pad_new_from_template (gst_static_pad_template_get
(&gst_rtpmp4vdec_sink_template), "sink");
gst_pad_set_setcaps_function (rtpmp4vdec->sinkpad, gst_rtpmp4vdec_setcaps);
gst_pad_set_chain_function (rtpmp4vdec->sinkpad, gst_rtpmp4vdec_chain);
gst_element_add_pad (GST_ELEMENT (rtpmp4vdec), rtpmp4vdec->sinkpad);
}
static gboolean
gst_rtpmp4vdec_setcaps (GstPad * pad, GstCaps * caps)
{
GstStructure *structure;
GstRtpMP4VDec *rtpmp4vdec;
GstCaps *srccaps;
rtpmp4vdec = GST_RTP_MP4V_DEC (GST_OBJECT_PARENT (pad));
structure = gst_caps_get_structure (caps, 0);
if (!gst_structure_get_int (structure, "rate", &rtpmp4vdec->rate))
rtpmp4vdec->rate = 90000;
srccaps = gst_caps_new_simple ("video/mpeg",
"mpegversion", G_TYPE_INT, 4,
"systemstream", G_TYPE_BOOLEAN, FALSE, NULL);
gst_pad_set_caps (rtpmp4vdec->srcpad, srccaps);
gst_caps_unref (srccaps);
return TRUE;
}
static GstFlowReturn
gst_rtpmp4vdec_chain (GstPad * pad, GstBuffer * buf)
{
GstRtpMP4VDec *rtpmp4vdec;
GstBuffer *outbuf;
GstFlowReturn ret;
rtpmp4vdec = GST_RTP_MP4V_DEC (gst_pad_get_parent (pad));
if (!gst_rtpbuffer_validate (buf))
goto bad_packet;
{
gint payload_len;
guint8 *payload;
guint32 timestamp;
payload_len = gst_rtpbuffer_get_payload_len (buf);
payload = gst_rtpbuffer_get_payload (buf);
timestamp = gst_rtpbuffer_get_timestamp (buf);
outbuf = gst_buffer_new_and_alloc (payload_len);
memcpy (GST_BUFFER_DATA (outbuf), payload, payload_len);
gst_adapter_push (rtpmp4vdec->adapter, outbuf);
/* if this was the last packet of the VOP, create and push a buffer */
if (gst_rtpbuffer_get_marker (buf)) {
guint avail;
avail = gst_adapter_available (rtpmp4vdec->adapter);
outbuf = gst_buffer_new_and_alloc (avail);
GST_BUFFER_MALLOCDATA (outbuf) =
gst_adapter_take (rtpmp4vdec->adapter, avail);
GST_BUFFER_DATA (outbuf) = GST_BUFFER_MALLOCDATA (outbuf);
gst_buffer_set_caps (outbuf, GST_PAD_CAPS (rtpmp4vdec->srcpad));
GST_BUFFER_TIMESTAMP (outbuf) = timestamp * GST_SECOND / rtpmp4vdec->rate;
GST_DEBUG ("gst_rtpmp4vdec_chain: pushing buffer of size %d",
GST_BUFFER_SIZE (outbuf));
ret = gst_pad_push (rtpmp4vdec->srcpad, outbuf);
} else {
ret = GST_FLOW_OK;
}
gst_buffer_unref (buf);
}
gst_object_unref (rtpmp4vdec);
return ret;
bad_packet:
{
GST_DEBUG ("Packet did not validate");
gst_buffer_unref (buf);
gst_object_unref (rtpmp4vdec);
return GST_FLOW_ERROR;
}
}
static void
gst_rtpmp4vdec_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstRtpMP4VDec *rtpmp4vdec;
rtpmp4vdec = GST_RTP_MP4V_DEC (object);
switch (prop_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_rtpmp4vdec_get_property (GObject * object, guint prop_id, GValue * value,
GParamSpec * pspec)
{
GstRtpMP4VDec *rtpmp4vdec;
rtpmp4vdec = GST_RTP_MP4V_DEC (object);
switch (prop_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static GstStateChangeReturn
gst_rtpmp4vdec_change_state (GstElement * element, GstStateChange transition)
{
GstRtpMP4VDec *rtpmp4vdec;
GstStateChangeReturn ret;
rtpmp4vdec = GST_RTP_MP4V_DEC (element);
switch (transition) {
case GST_STATE_CHANGE_NULL_TO_READY:
rtpmp4vdec->adapter = gst_adapter_new ();
break;
case GST_STATE_CHANGE_READY_TO_PAUSED:
gst_adapter_clear (rtpmp4vdec->adapter);
rtpmp4vdec->rate = 90000;
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 (rtpmp4vdec->adapter);
rtpmp4vdec->adapter = NULL;
break;
default:
break;
}
return ret;
}
gboolean
gst_rtpmp4vdec_plugin_init (GstPlugin * plugin)
{
return gst_element_register (plugin, "rtpmp4vdec",
GST_RANK_NONE, GST_TYPE_RTP_MP4V_DEC);
}
/* Gnome-Streamer
* 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_MP4V_DEC_H__
#define __GST_RTP_MP4V_DEC_H__
#include <gst/gst.h>
#include <gst/base/gstadapter.h>
G_BEGIN_DECLS
#define GST_TYPE_RTP_MP4V_DEC \
(gst_rtpmp4vdec_get_type())
#define GST_RTP_MP4V_DEC(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_MP4V_DEC,GstRtpMP4VDec))
#define GST_RTP_MP4V_DEC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_MP4V_DEC,GstRtpMP4VDec))
#define GST_IS_RTP_MP4V_DEC(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_MP4V_DEC))
#define GST_IS_RTP_MP4V_DEC_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_MP4V_DEC))
typedef struct _GstRtpMP4VDec GstRtpMP4VDec;
typedef struct _GstRtpMP4VDecClass GstRtpMP4VDecClass;
struct _GstRtpMP4VDec
{
GstElement element;
GstPad *sinkpad;
GstPad *srcpad;
GstAdapter *adapter;
gint rate;
};
struct _GstRtpMP4VDecClass
{
GstElementClass parent_class;
};
gboolean gst_rtpmp4vdec_plugin_init (GstPlugin * plugin);
G_END_DECLS
#endif /* __GST_RTP_MP4V_DEC_H__ */
/* 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
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <gst/rtp/gstrtpbuffer.h>
#include <string.h>
#include "gstrtpmp4vdec.h"
/* elementfactory information */
static GstElementDetails gst_rtp_mp4vdec_details = {
"RTP packet parser",
"Codec/Parser/Network",
"Extracts MPEG4 video from RTP packets (RFC 3016)",
"Wim Taymans <wim@fluendo.com>"
};
/* RtpMP4VDec signals and args */
enum
{
/* FILL ME */
LAST_SIGNAL
};
enum
{
ARG_0,
ARG_FREQUENCY
};
static GstStaticPadTemplate gst_rtpmp4vdec_src_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("video/mpeg,"
"mpegversion=(int) 4," "systemstream=(boolean)false")
);
static GstStaticPadTemplate gst_rtpmp4vdec_sink_template =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("application/x-rtp"
/* All optional parameters
*
* "rate=(int) [1, MAX],"
* "profile-level-id=[1,MAX]"
* "config="
*/
)
);
static void gst_rtpmp4vdec_class_init (GstRtpMP4VDecClass * klass);
static void gst_rtpmp4vdec_base_init (GstRtpMP4VDecClass * klass);
static void gst_rtpmp4vdec_init (GstRtpMP4VDec * rtpmp4vdec);
static gboolean gst_rtpmp4vdec_setcaps (GstPad * pad, GstCaps * caps);
static GstFlowReturn gst_rtpmp4vdec_chain (GstPad * pad, GstBuffer * buffer);
static void gst_rtpmp4vdec_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_rtpmp4vdec_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static GstStateChangeReturn gst_rtpmp4vdec_change_state (GstElement * element,
GstStateChange transition);
static GstElementClass *parent_class = NULL;
static GType
gst_rtpmp4vdec_get_type (void)
{
static GType rtpmp4vdec_type = 0;
if (!rtpmp4vdec_type) {
static const GTypeInfo rtpmp4vdec_info = {
sizeof (GstRtpMP4VDecClass),
(GBaseInitFunc) gst_rtpmp4vdec_base_init,
NULL,
(GClassInitFunc) gst_rtpmp4vdec_class_init,
NULL,
NULL,
sizeof (GstRtpMP4VDec),
0,
(GInstanceInitFunc) gst_rtpmp4vdec_init,
};
rtpmp4vdec_type =
g_type_register_static (GST_TYPE_ELEMENT, "GstRtpMP4VDec",
&rtpmp4vdec_info, 0);
}
return rtpmp4vdec_type;
}
static void
gst_rtpmp4vdec_base_init (GstRtpMP4VDecClass * klass)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_rtpmp4vdec_src_template));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_rtpmp4vdec_sink_template));
gst_element_class_set_details (element_class, &gst_rtp_mp4vdec_details);
}
static void
gst_rtpmp4vdec_class_init (GstRtpMP4VDecClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
gobject_class->set_property = gst_rtpmp4vdec_set_property;
gobject_class->get_property = gst_rtpmp4vdec_get_property;
gstelement_class->change_state = gst_rtpmp4vdec_change_state;
}
static void
gst_rtpmp4vdec_init (GstRtpMP4VDec * rtpmp4vdec)
{
rtpmp4vdec->srcpad =
gst_pad_new_from_template (gst_static_pad_template_get
(&gst_rtpmp4vdec_src_template), "src");
gst_element_add_pad (GST_ELEMENT (rtpmp4vdec), rtpmp4vdec->srcpad);
rtpmp4vdec->sinkpad =
gst_pad_new_from_template (gst_static_pad_template_get
(&gst_rtpmp4vdec_sink_template), "sink");
gst_pad_set_setcaps_function (rtpmp4vdec->sinkpad, gst_rtpmp4vdec_setcaps);
gst_pad_set_chain_function (rtpmp4vdec->sinkpad, gst_rtpmp4vdec_chain);
gst_element_add_pad (GST_ELEMENT (rtpmp4vdec), rtpmp4vdec->sinkpad);
}
static gboolean
gst_rtpmp4vdec_setcaps (GstPad * pad, GstCaps * caps)
{
GstStructure *structure;
GstRtpMP4VDec *rtpmp4vdec;
GstCaps *srccaps;
rtpmp4vdec = GST_RTP_MP4V_DEC (GST_OBJECT_PARENT (pad));
structure = gst_caps_get_structure (caps, 0);
if (!gst_structure_get_int (structure, "rate", &rtpmp4vdec->rate))
rtpmp4vdec->rate = 90000;
srccaps = gst_caps_new_simple ("video/mpeg",
"mpegversion", G_TYPE_INT, 4,
"systemstream", G_TYPE_BOOLEAN, FALSE, NULL);
gst_pad_set_caps (rtpmp4vdec->srcpad, srccaps);
gst_caps_unref (srccaps);
return TRUE;
}
static GstFlowReturn
gst_rtpmp4vdec_chain (GstPad * pad, GstBuffer * buf)
{
GstRtpMP4VDec *rtpmp4vdec;
GstBuffer *outbuf;
GstFlowReturn ret;
rtpmp4vdec = GST_RTP_MP4V_DEC (gst_pad_get_parent (pad));
if (!gst_rtpbuffer_validate (buf))
goto bad_packet;
{
gint payload_len;
guint8 *payload;
guint32 timestamp;
payload_len = gst_rtpbuffer_get_payload_len (buf);
payload = gst_rtpbuffer_get_payload (buf);
timestamp = gst_rtpbuffer_get_timestamp (buf);
outbuf = gst_buffer_new_and_alloc (payload_len);
memcpy (GST_BUFFER_DATA (outbuf), payload, payload_len);
gst_adapter_push (rtpmp4vdec->adapter, outbuf);
/* if this was the last packet of the VOP, create and push a buffer */
if (gst_rtpbuffer_get_marker (buf)) {
guint avail;
avail = gst_adapter_available (rtpmp4vdec->adapter);
outbuf = gst_buffer_new_and_alloc (avail);
GST_BUFFER_MALLOCDATA (outbuf) =
gst_adapter_take (rtpmp4vdec->adapter, avail);
GST_BUFFER_DATA (outbuf) = GST_BUFFER_MALLOCDATA (outbuf);
gst_buffer_set_caps (outbuf, GST_PAD_CAPS (rtpmp4vdec->srcpad));
GST_BUFFER_TIMESTAMP (outbuf) = timestamp * GST_SECOND / rtpmp4vdec->rate;
GST_DEBUG ("gst_rtpmp4vdec_chain: pushing buffer of size %d",
GST_BUFFER_SIZE (outbuf));
ret = gst_pad_push (rtpmp4vdec->srcpad, outbuf);
} else {
ret = GST_FLOW_OK;
}
gst_buffer_unref (buf);
}
gst_object_unref (rtpmp4vdec);
return ret;
bad_packet:
{
GST_DEBUG ("Packet did not validate");
gst_buffer_unref (buf);
gst_object_unref (rtpmp4vdec);
return GST_FLOW_ERROR;
}
}
static void
gst_rtpmp4vdec_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstRtpMP4VDec *rtpmp4vdec;
rtpmp4vdec = GST_RTP_MP4V_DEC (object);
switch (prop_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_rtpmp4vdec_get_property (GObject * object, guint prop_id, GValue * value,
GParamSpec * pspec)
{
GstRtpMP4VDec *rtpmp4vdec;
rtpmp4vdec = GST_RTP_MP4V_DEC (object);
switch (prop_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static GstStateChangeReturn
gst_rtpmp4vdec_change_state (GstElement * element, GstStateChange transition)
{
GstRtpMP4VDec *rtpmp4vdec;
GstStateChangeReturn ret;
rtpmp4vdec = GST_RTP_MP4V_DEC (element);
switch (transition) {
case GST_STATE_CHANGE_NULL_TO_READY:
rtpmp4vdec->adapter = gst_adapter_new ();
break;
case GST_STATE_CHANGE_READY_TO_PAUSED:
gst_adapter_clear (rtpmp4vdec->adapter);
rtpmp4vdec->rate = 90000;
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 (rtpmp4vdec->adapter);
rtpmp4vdec->adapter = NULL;
break;
default:
break;
}
return ret;
}
gboolean
gst_rtpmp4vdec_plugin_init (GstPlugin * plugin)
{
return gst_element_register (plugin, "rtpmp4vdec",
GST_RANK_NONE, GST_TYPE_RTP_MP4V_DEC);
}
/* Gnome-Streamer
* Copyright (C) <2005> Wim Taymans <wim@fluendo.com>