mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-28 04:31:06 +00:00
[MOVED FROM GST-P-FARSIGHT] Remove DTMF-specific code from RTP muxer and make it extendable
20070321123149-65035-b8a8f55ff78eed8cbb0042e827885edfc5438242.gz
This commit is contained in:
zeeshan.ali@nokia.com
Edward Hervey
parent
c68fba6698
commit
35e62745df
3 changed files with 97 additions and 136 deletions
|
|
@ -1,6 +1,6 @@
|
|||
plugin_LTLIBRARIES = libgstrtpmux.la
|
||||
|
||||
libgstrtpmux_la_SOURCES = gstrtpmux.c
|
||||
libgstrtpmux_la_SOURCES = gstrtpmux.c gstrtpmux.h
|
||||
|
||||
libgstrtpmux_la_CFLAGS = $(GST_CFLAGS) $(GST_PLUGINS_BASE_CFLAGS) $(ERROR_CFLAGS) -DEXTERN_BUF -DRTP_SUPPORT
|
||||
libgstrtpmux_la_LIBADD = $(GST_LIBS_LIBS)
|
||||
|
|
|
|||
|
|
@ -38,47 +38,12 @@
|
|||
|
||||
#include <gst/gst.h>
|
||||
#include <gst/rtp/gstrtpbuffer.h>
|
||||
|
||||
#include <gstrtpmux.h>
|
||||
#include <string.h>
|
||||
|
||||
GST_DEBUG_CATEGORY_STATIC (gst_rtp_mux_debug);
|
||||
#define GST_CAT_DEFAULT gst_rtp_mux_debug
|
||||
|
||||
#define GST_TYPE_RTP_MUX (gst_rtp_mux_get_type())
|
||||
#define GST_RTP_MUX(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_MUX, GstRTPMux))
|
||||
#define GST_RTP_MUX_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_MUX, GstRTPMux))
|
||||
#define GST_IS_RTP_MUX(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_MUX))
|
||||
#define GST_IS_RTP_MUX_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_MUX))
|
||||
|
||||
typedef struct _GstRTPMux GstRTPMux;
|
||||
typedef struct _GstRTPMuxClass GstRTPMuxClass;
|
||||
|
||||
/**
|
||||
* GstRTPMux:
|
||||
*
|
||||
* The opaque #GstRTPMux structure.
|
||||
*/
|
||||
struct _GstRTPMux
|
||||
{
|
||||
GstElement element;
|
||||
|
||||
/* pad */
|
||||
GstPad *srcpad;
|
||||
|
||||
/* sinkpads */
|
||||
gint numpads;
|
||||
GstPad *special_pad;
|
||||
|
||||
guint16 seqnum_base;
|
||||
gint16 seqnum_offset;
|
||||
guint16 seqnum;
|
||||
};
|
||||
|
||||
struct _GstRTPMuxClass
|
||||
{
|
||||
GstElementClass parent_class;
|
||||
};
|
||||
|
||||
/* elementfactory information */
|
||||
static const GstElementDetails gst_rtp_mux_details =
|
||||
GST_ELEMENT_DETAILS ("RTP muxer",
|
||||
|
|
@ -114,8 +79,6 @@ static void gst_rtp_mux_init (GstRTPMux * rtp_mux);
|
|||
|
||||
static void gst_rtp_mux_finalize (GObject * object);
|
||||
|
||||
static gboolean gst_rtp_mux_handle_sink_event (GstPad * pad,
|
||||
GstEvent * event);
|
||||
static GstPad *gst_rtp_mux_request_new_pad (GstElement * element,
|
||||
GstPadTemplate * templ, const gchar * name);
|
||||
static GstFlowReturn gst_rtp_mux_chain (GstPad * pad,
|
||||
|
|
@ -196,6 +159,8 @@ gst_rtp_mux_class_init (GstRTPMuxClass * klass)
|
|||
|
||||
gstelement_class->request_new_pad = gst_rtp_mux_request_new_pad;
|
||||
gstelement_class->change_state = gst_rtp_mux_change_state;
|
||||
|
||||
klass->chain_func = gst_rtp_mux_chain;
|
||||
}
|
||||
|
||||
static void
|
||||
|
|
@ -227,39 +192,43 @@ gst_rtp_mux_request_new_pad (GstElement * element,
|
|||
{
|
||||
GstRTPMux *rtp_mux;
|
||||
GstPad *newpad;
|
||||
GstElementClass *klass = GST_ELEMENT_GET_CLASS (element);
|
||||
GstRTPMuxClass *klass;
|
||||
GstPadTemplate * class_templ;
|
||||
|
||||
g_return_val_if_fail (templ != NULL, NULL);
|
||||
g_return_val_if_fail (GST_IS_RTP_MUX (element), NULL);
|
||||
|
||||
rtp_mux = GST_RTP_MUX (element);
|
||||
klass = GST_RTP_MUX_GET_CLASS (rtp_mux);
|
||||
|
||||
if (templ->direction != GST_PAD_SINK) {
|
||||
GST_WARNING_OBJECT (rtp_mux, "request pad that is not a SINK pad");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
g_return_val_if_fail (GST_IS_RTP_MUX (element), NULL);
|
||||
class_templ =
|
||||
gst_element_class_get_pad_template (GST_ELEMENT_CLASS (klass), "sink_%d");
|
||||
|
||||
if (templ == gst_element_class_get_pad_template (klass, "sink_%d")) {
|
||||
if (templ == class_templ) {
|
||||
gchar *name;
|
||||
|
||||
GST_OBJECT_LOCK (rtp_mux);
|
||||
/* create new pad with the name */
|
||||
name = g_strdup_printf ("sink_%02d", rtp_mux->numpads);
|
||||
newpad = gst_pad_new_from_template (templ, name);
|
||||
g_free (name);
|
||||
|
||||
rtp_mux->numpads++;
|
||||
GST_OBJECT_UNLOCK (rtp_mux);
|
||||
} else {
|
||||
GST_WARNING_OBJECT (rtp_mux, "this is not our template!\n");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/* setup some pad functions */
|
||||
gst_pad_set_chain_function (newpad, gst_rtp_mux_chain);
|
||||
gst_pad_set_setcaps_function (newpad, gst_rtp_mux_setcaps);
|
||||
gst_pad_set_event_function (newpad, gst_rtp_mux_handle_sink_event);
|
||||
if (klass->chain_func)
|
||||
gst_pad_set_chain_function (newpad, klass->chain_func);
|
||||
if (klass->sink_event_func)
|
||||
gst_pad_set_event_function (newpad, klass->sink_event_func);
|
||||
|
||||
/* dd the pad to the element */
|
||||
gst_element_add_pad (element, newpad);
|
||||
|
|
@ -271,33 +240,17 @@ static GstFlowReturn
|
|||
gst_rtp_mux_chain (GstPad * pad, GstBuffer * buffer)
|
||||
{
|
||||
GstRTPMux *rtp_mux;
|
||||
gboolean drop = FALSE;
|
||||
GstFlowReturn ret;
|
||||
|
||||
rtp_mux = GST_RTP_MUX (gst_pad_get_parent (pad));
|
||||
GST_OBJECT_LOCK (rtp_mux);
|
||||
|
||||
if (rtp_mux->special_pad != NULL &&
|
||||
rtp_mux->special_pad != pad) {
|
||||
drop = TRUE;
|
||||
}
|
||||
rtp_mux->seqnum++;
|
||||
GST_LOG_OBJECT (rtp_mux, "setting RTP seqnum %d", rtp_mux->seqnum);
|
||||
gst_rtp_buffer_set_seq (buffer, rtp_mux->seqnum);
|
||||
GST_DEBUG_OBJECT (rtp_mux, "Pushing packet size %d, seq=%d, ts=%u",
|
||||
GST_BUFFER_SIZE (buffer), rtp_mux->seqnum - 1);
|
||||
|
||||
if (drop) {
|
||||
gst_buffer_unref (buffer);
|
||||
ret = GST_FLOW_OK;
|
||||
GST_OBJECT_UNLOCK (rtp_mux);
|
||||
}
|
||||
|
||||
else {
|
||||
rtp_mux->seqnum++;
|
||||
GST_LOG_OBJECT (rtp_mux, "setting RTP seqnum %d", rtp_mux->seqnum);
|
||||
gst_rtp_buffer_set_seq (buffer, rtp_mux->seqnum);
|
||||
GST_DEBUG_OBJECT (rtp_mux, "Pushing packet size %d, seq=%d, ts=%u",
|
||||
GST_BUFFER_SIZE (buffer), rtp_mux->seqnum - 1);
|
||||
|
||||
GST_OBJECT_UNLOCK (rtp_mux);
|
||||
ret = gst_pad_push (rtp_mux->srcpad, buffer);
|
||||
}
|
||||
ret = gst_pad_push (rtp_mux->srcpad, buffer);
|
||||
|
||||
gst_object_unref (rtp_mux);
|
||||
return ret;
|
||||
|
|
@ -338,74 +291,6 @@ gst_rtp_mux_setcaps (GstPad *pad, GstCaps *caps)
|
|||
return TRUE;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gst_rtp_mux_handle_sink_event (GstPad * pad, GstEvent * event)
|
||||
{
|
||||
GstRTPMux *rtp_mux;
|
||||
GstEventType type;
|
||||
|
||||
rtp_mux = GST_RTP_MUX (gst_pad_get_parent (pad));
|
||||
|
||||
type = event ? GST_EVENT_TYPE (event) : GST_EVENT_UNKNOWN;
|
||||
|
||||
switch (type) {
|
||||
case GST_EVENT_CUSTOM_DOWNSTREAM_OOB:
|
||||
{
|
||||
const GstStructure *structure;
|
||||
|
||||
structure = gst_event_get_structure (event);
|
||||
/* FIXME: is this event generic enough to be given a generic name? */
|
||||
if (structure && gst_structure_has_name (structure, "stream-lock")) {
|
||||
gboolean lock;
|
||||
|
||||
if (!gst_structure_get_boolean (structure, "lock", &lock))
|
||||
break;
|
||||
|
||||
GST_OBJECT_LOCK (rtp_mux);
|
||||
if (lock) {
|
||||
if (rtp_mux->special_pad != NULL) {
|
||||
GST_WARNING_OBJECT (rtp_mux,
|
||||
"Stream lock already acquired by pad %s",
|
||||
GST_ELEMENT_NAME (rtp_mux->special_pad));
|
||||
}
|
||||
|
||||
else
|
||||
rtp_mux->special_pad = gst_object_ref (pad);
|
||||
}
|
||||
|
||||
else {
|
||||
if (rtp_mux->special_pad == NULL) {
|
||||
GST_WARNING_OBJECT (rtp_mux,
|
||||
"Stream lock not acquired, can't release it");
|
||||
}
|
||||
|
||||
else if (pad != rtp_mux->special_pad) {
|
||||
GST_WARNING_OBJECT (rtp_mux,
|
||||
"pad %s attempted to release Stream lock"
|
||||
" which was acquired by pad %s", GST_ELEMENT_NAME (pad),
|
||||
GST_ELEMENT_NAME (rtp_mux->special_pad));
|
||||
}
|
||||
|
||||
else {
|
||||
gst_object_unref (rtp_mux->special_pad);
|
||||
rtp_mux->special_pad = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
GST_OBJECT_UNLOCK (rtp_mux);
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
gst_object_unref (rtp_mux);
|
||||
|
||||
return gst_pad_event_default (pad, event);
|
||||
}
|
||||
|
||||
static void
|
||||
gst_rtp_mux_get_property (GObject * object,
|
||||
guint prop_id, GValue * value, GParamSpec * pspec)
|
||||
|
|
|
|||
76
gst/rtpmux/gstrtpmux.h
Normal file
76
gst/rtpmux/gstrtpmux.h
Normal file
|
|
@ -0,0 +1,76 @@
|
|||
/* RTP muxer element for GStreamer
|
||||
*
|
||||
* gstrtpmux.h:
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
|
||||
#ifndef __GST_RTP_MUX_H__
|
||||
#define __GST_RTP_MUX_H__
|
||||
|
||||
#include <gst/gst.h>
|
||||
|
||||
G_BEGIN_DECLS
|
||||
|
||||
#define GST_TYPE_RTP_MUX (gst_rtp_mux_get_type())
|
||||
#define GST_RTP_MUX(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_MUX, GstRTPMux))
|
||||
#define GST_RTP_MUX_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_MUX, GstRTPMux))
|
||||
#define GST_RTP_MUX_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_RTP_MUX, GstRTPMuxClass))
|
||||
#define GST_IS_RTP_MUX(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_MUX))
|
||||
#define GST_IS_RTP_MUX_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_MUX))
|
||||
|
||||
typedef struct _GstRTPMux GstRTPMux;
|
||||
typedef struct _GstRTPMuxClass GstRTPMuxClass;
|
||||
|
||||
/**
|
||||
* GstRTPMux:
|
||||
*
|
||||
* The opaque #GstRTPMux structure.
|
||||
*/
|
||||
struct _GstRTPMux
|
||||
{
|
||||
GstElement element;
|
||||
|
||||
/* pad */
|
||||
GstPad *srcpad;
|
||||
|
||||
/* sinkpads */
|
||||
gint numpads;
|
||||
|
||||
guint16 seqnum_base;
|
||||
gint16 seqnum_offset;
|
||||
guint16 seqnum;
|
||||
};
|
||||
|
||||
struct _GstRTPMuxClass
|
||||
{
|
||||
GstElementClass parent_class;
|
||||
|
||||
GstFlowReturn (* chain_func) (GstPad * pad, GstBuffer * buffer);
|
||||
gboolean (* sink_event_func) (GstPad * pad, GstEvent * event);
|
||||
};
|
||||
|
||||
GType gst_rtp_mux_get_type (void);
|
||||
|
||||
G_END_DECLS
|
||||
|
||||
#endif /* __GST_RTP_MUX_H__ */
|
||||
|
||||
Loading…
Reference in a new issue