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rtsp-media: add and use fsfunnel

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Add a copy of fsfunnel to the build because input-selector removed the (broken)
select-all property that we need.
This commit is contained in:
Wim Taymans 2011-01-10 13:41:43 +01:00
parent c19eb8fb4e
commit 7b3cbfde1b
4 changed files with 481 additions and 4 deletions
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2
gst/rtsp-server/Makefile.am
View file

@ -1,4 +1,5 @@
public_headers = \
fs-funnel.h \
rtsp-params.h \
rtsp-sdp.h \
rtsp-media.h \
@ -11,6 +12,7 @@ public_headers = \
rtsp-server.h
c_sources = \
fs-funnel.c \
rtsp-params.c \
rtsp-sdp.c \
rtsp-media.c \

405
gst/rtsp-server/fs-funnel.c Normal file
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@ -0,0 +1,405 @@
/*
* Farsight2 - Farsight Funnel element
*
* Copyright 2007 Collabora Ltd.
* @author: Olivier Crete <olivier.crete@collabora.co.uk>
* Copyright 2007 Nokia Corp.
*
* fs-funnel.c: Simple Funnel element
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* SECTION:element-fsfunnel
* @short_description: N-to-1 simple funnel
*
* Takes packets from various input sinks into one output source
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "fs-funnel.h"
GST_DEBUG_CATEGORY_STATIC (fs_funnel_debug);
#define GST_CAT_DEFAULT fs_funnel_debug
static const GstElementDetails fs_funnel_details =
GST_ELEMENT_DETAILS ("Farsight Funnel pipe fitting",
"Generic",
"N-to-1 pipe fitting",
"Olivier Crete <olivier.crete@collabora.co.uk>");
static GstStaticPadTemplate funnel_sink_template =
GST_STATIC_PAD_TEMPLATE ("sink%d",
GST_PAD_SINK,
GST_PAD_REQUEST,
GST_STATIC_CAPS_ANY);
static GstStaticPadTemplate funnel_src_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS_ANY);
static void
_do_init (GType type)
{
GST_DEBUG_CATEGORY_INIT (fs_funnel_debug, "fsfunnel", 0, "fsfunnel element");
}
GST_BOILERPLATE_FULL (FsFunnel, fs_funnel, GstElement, GST_TYPE_ELEMENT,
_do_init);
static GstStateChangeReturn fs_funnel_change_state (GstElement * element,
GstStateChange transition);
static GstPad *fs_funnel_request_new_pad (GstElement * element,
GstPadTemplate * templ, const gchar * name);
static void fs_funnel_release_pad (GstElement * element, GstPad * pad);
static GstFlowReturn fs_funnel_chain (GstPad * pad, GstBuffer * buffer);
static gboolean fs_funnel_event (GstPad * pad, GstEvent * event);
static gboolean fs_funnel_src_event (GstPad * pad, GstEvent * event);
static GstCaps *fs_funnel_getcaps (GstPad * pad);
typedef struct
{
GstSegment segment;
} FsFunnelPadPrivate;
static void
fs_funnel_base_init (gpointer g_class)
{
GstElementClass *gstelement_class = GST_ELEMENT_CLASS (g_class);
gst_element_class_set_details (gstelement_class, &fs_funnel_details);
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&funnel_sink_template));
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&funnel_src_template));
}
static void
fs_funnel_dispose (GObject * object)
{
GList *item;
restart:
for (item = GST_ELEMENT_PADS (object); item; item = g_list_next (item)) {
GstPad *pad = GST_PAD (item->data);
if (GST_PAD_IS_SINK (pad)) {
gst_element_release_request_pad (GST_ELEMENT (object), pad);
goto restart;
}
}
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static void
fs_funnel_class_init (FsFunnelClass * klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GstElementClass *gstelement_class = GST_ELEMENT_CLASS (klass);
gobject_class->dispose = GST_DEBUG_FUNCPTR (fs_funnel_dispose);
gstelement_class->request_new_pad =
GST_DEBUG_FUNCPTR (fs_funnel_request_new_pad);
gstelement_class->release_pad = GST_DEBUG_FUNCPTR (fs_funnel_release_pad);
gstelement_class->change_state = GST_DEBUG_FUNCPTR (fs_funnel_change_state);
}
static void
fs_funnel_init (FsFunnel * funnel, FsFunnelClass * g_class)
{
funnel->srcpad = gst_pad_new_from_static_template (&funnel_src_template,
"src");
gst_pad_set_event_function (funnel->srcpad, fs_funnel_src_event);
gst_pad_use_fixed_caps (funnel->srcpad);
gst_element_add_pad (GST_ELEMENT (funnel), funnel->srcpad);
}
static GstPad *
fs_funnel_request_new_pad (GstElement * element, GstPadTemplate * templ,
const gchar * name)
{
GstPad *sinkpad;
FsFunnelPadPrivate *priv = g_slice_alloc0 (sizeof (FsFunnelPadPrivate));
GST_DEBUG_OBJECT (element, "requesting pad");
sinkpad = gst_pad_new_from_template (templ, name);
gst_pad_set_chain_function (sinkpad, GST_DEBUG_FUNCPTR (fs_funnel_chain));
gst_pad_set_event_function (sinkpad, GST_DEBUG_FUNCPTR (fs_funnel_event));
gst_pad_set_getcaps_function (sinkpad, GST_DEBUG_FUNCPTR (fs_funnel_getcaps));
gst_segment_init (&priv->segment, GST_FORMAT_UNDEFINED);
gst_pad_set_element_private (sinkpad, priv);
gst_pad_set_active (sinkpad, TRUE);
gst_element_add_pad (element, sinkpad);
return sinkpad;
}
static void
fs_funnel_release_pad (GstElement * element, GstPad * pad)
{
FsFunnel *funnel = FS_FUNNEL (element);
FsFunnelPadPrivate *priv = gst_pad_get_element_private (pad);
GST_DEBUG_OBJECT (funnel, "releasing pad");
gst_pad_set_active (pad, FALSE);
if (priv)
g_slice_free1 (sizeof (FsFunnelPadPrivate), priv);
gst_element_remove_pad (GST_ELEMENT_CAST (funnel), pad);
}
static GstCaps *
fs_funnel_getcaps (GstPad * pad)
{
FsFunnel *funnel = FS_FUNNEL (gst_pad_get_parent (pad));
GstCaps *caps;
caps = gst_pad_peer_get_caps (funnel->srcpad);
if (caps == NULL)
caps = gst_caps_copy (gst_pad_get_pad_template_caps (pad));
gst_object_unref (funnel);
return caps;
}
static GstFlowReturn
fs_funnel_chain (GstPad * pad, GstBuffer * buffer)
{
GstFlowReturn res;
FsFunnel *funnel = FS_FUNNEL (gst_pad_get_parent (pad));
FsFunnelPadPrivate *priv = gst_pad_get_element_private (pad);
GstEvent *event = NULL;
GstClockTime newts;
GstCaps *padcaps;
GST_DEBUG_OBJECT (funnel, "received buffer %p", buffer);
GST_OBJECT_LOCK (funnel);
if (priv->segment.format == GST_FORMAT_UNDEFINED) {
GST_WARNING_OBJECT (funnel, "Got buffer without segment,"
" setting segment [0,inf[");
gst_segment_set_newsegment_full (&priv->segment, FALSE, 1.0, 1.0,
GST_FORMAT_TIME, 0, -1, 0);
}
if (GST_CLOCK_TIME_IS_VALID (GST_BUFFER_TIMESTAMP (buffer)))
gst_segment_set_last_stop (&priv->segment, priv->segment.format,
GST_BUFFER_TIMESTAMP (buffer));
newts = gst_segment_to_running_time (&priv->segment,
priv->segment.format, GST_BUFFER_TIMESTAMP (buffer));
if (newts != GST_BUFFER_TIMESTAMP (buffer)) {
buffer = gst_buffer_make_metadata_writable (buffer);
GST_BUFFER_TIMESTAMP (buffer) = newts;
}
if (!funnel->has_segment) {
event = gst_event_new_new_segment_full (FALSE, 1.0, 1.0, GST_FORMAT_TIME,
0, -1, 0);
funnel->has_segment = TRUE;
}
GST_OBJECT_UNLOCK (funnel);
if (event) {
if (!gst_pad_push_event (funnel->srcpad, event)) {
GST_WARNING_OBJECT (funnel, "Could not push out newsegment event");
res = GST_FLOW_ERROR;
goto out;
}
}
GST_OBJECT_LOCK (pad);
padcaps = GST_PAD_CAPS (funnel->srcpad);
GST_OBJECT_UNLOCK (pad);
if (GST_BUFFER_CAPS (buffer) && GST_BUFFER_CAPS (buffer) != padcaps) {
if (!gst_pad_set_caps (funnel->srcpad, GST_BUFFER_CAPS (buffer))) {
res = GST_FLOW_NOT_NEGOTIATED;
goto out;
}
}
res = gst_pad_push (funnel->srcpad, buffer);
GST_LOG_OBJECT (funnel, "handled buffer %s", gst_flow_get_name (res));
out:
gst_object_unref (funnel);
return res;
}
static gboolean
fs_funnel_event (GstPad * pad, GstEvent * event)
{
FsFunnel *funnel = FS_FUNNEL (gst_pad_get_parent (pad));
FsFunnelPadPrivate *priv = gst_pad_get_element_private (pad);
gboolean forward = TRUE;
gboolean res = TRUE;
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_NEWSEGMENT:
{
gboolean update;
gdouble rate, arate;
GstFormat format;
gint64 start;
gint64 stop;
gint64 time;
gst_event_parse_new_segment_full (event, &update, &rate, &arate,
&format, &start, &stop, &time);
GST_OBJECT_LOCK (funnel);
gst_segment_set_newsegment_full (&priv->segment, update, rate, arate,
format, start, stop, time);
GST_OBJECT_UNLOCK (funnel);
forward = FALSE;
gst_event_unref (event);
}
break;
case GST_EVENT_FLUSH_STOP:
{
GST_OBJECT_LOCK (funnel);
gst_segment_init (&priv->segment, GST_FORMAT_UNDEFINED);
GST_OBJECT_UNLOCK (funnel);
}
break;
default:
break;
}
if (forward)
res = gst_pad_push_event (funnel->srcpad, event);
gst_object_unref (funnel);
return res;
}
static gboolean
fs_funnel_src_event (GstPad * pad, GstEvent * event)
{
GstElement *funnel;
GstIterator *iter;
GstPad *sinkpad;
gboolean result = FALSE;
gboolean done = FALSE;
funnel = gst_pad_get_parent_element (pad);
g_return_val_if_fail (funnel != NULL, FALSE);
iter = gst_element_iterate_sink_pads (funnel);
while (!done) {
switch (gst_iterator_next (iter, (gpointer) & sinkpad)) {
case GST_ITERATOR_OK:
gst_event_ref (event);
result |= gst_pad_push_event (sinkpad, event);
gst_object_unref (sinkpad);
break;
case GST_ITERATOR_RESYNC:
gst_iterator_resync (iter);
result = FALSE;
break;
case GST_ITERATOR_ERROR:
GST_WARNING_OBJECT (funnel, "Error iterating sinkpads");
case GST_ITERATOR_DONE:
done = TRUE;
break;
}
}
gst_iterator_free (iter);
gst_object_unref (funnel);
gst_event_unref (event);
return result;
}
static void
reset_pad (gpointer data, gpointer user_data)
{
GstPad *pad = data;
FsFunnelPadPrivate *priv = gst_pad_get_element_private (pad);
GST_OBJECT_LOCK (pad);
gst_segment_init (&priv->segment, GST_FORMAT_UNDEFINED);
GST_OBJECT_UNLOCK (pad);
gst_object_unref (pad);
}
static GstStateChangeReturn
fs_funnel_change_state (GstElement * element, GstStateChange transition)
{
FsFunnel *funnel = FS_FUNNEL (element);
GstStateChangeReturn ret;
switch (transition) {
case GST_STATE_CHANGE_READY_TO_PAUSED:
{
GstIterator *iter = gst_element_iterate_sink_pads (element);
GstIteratorResult res;
do {
res = gst_iterator_foreach (iter, reset_pad, NULL);
} while (res == GST_ITERATOR_RESYNC);
gst_iterator_free (iter);
if (res == GST_ITERATOR_ERROR)
return GST_STATE_CHANGE_FAILURE;
GST_OBJECT_LOCK (funnel);
funnel->has_segment = FALSE;
GST_OBJECT_UNLOCK (funnel);
}
break;
default:
break;
}
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
return ret;
}

69
gst/rtsp-server/fs-funnel.h Normal file
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@ -0,0 +1,69 @@
/*
* Farsight2 - Farsight Funnel element
*
* Copyright 2007 Collabora Ltd.
* @author: Olivier Crete <olivier.crete@collabora.co.uk>
* Copyright 2007 Nokia Corp.
*
* fs-funnel.h: Simple Funnel element
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef __FS_FUNNEL_H__
#define __FS_FUNNEL_H__
#include <gst/gst.h>
G_BEGIN_DECLS
#define FS_TYPE_FUNNEL \
(fs_funnel_get_type ())
#define FS_FUNNEL(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),FS_TYPE_FUNNEL,FsFunnel))
#define FS_FUNNEL_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),FS_TYPE_FUNNEL,FsFunnelClass))
#define FS_IS_FUNNEL(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),FS_TYPE_FUNNEL))
#define FS_IS_FUNNEL_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),FS_TYPE_FUNNEL))
typedef struct _FsFunnel FsFunnel;
typedef struct _FsFunnelClass FsFunnelClass;
/**
* FsFunnel:
*
* Opaque #FsFunnel data structure.
*/
struct _FsFunnel {
GstElement element;
/*< private >*/
GstPad *srcpad;
gboolean has_segment;
};
struct _FsFunnelClass {
GstElementClass parent_class;
};
GType fs_funnel_get_type (void);
G_END_DECLS
#endif /* __FS_FUNNEL_H__ */

9
gst/rtsp-server/rtsp-media.c
View file

@ -23,6 +23,7 @@
#include <gst/app/gstappsrc.h>
#include <gst/app/gstappsink.h>
#include "fs-funnel.h"
#include "rtsp-media.h"
#define DEFAULT_SHARED FALSE
@ -131,6 +132,8 @@ gst_rtsp_media_class_init (GstRTSPMediaClass * klass)
klass->unprepare = default_unprepare;
ssrc_stream_map_key = g_quark_from_static_string ("GstRTSPServer.stream");
gst_element_register (NULL, "fsfunnel", GST_RANK_NONE, FS_TYPE_FUNNEL);
}
static void
@ -1269,8 +1272,7 @@ setup_stream (GstRTSPMediaStream * stream, guint idx, GstRTSPMedia * media)
gst_object_unref (teepad);
/* make selector for the RTP receivers */
stream->selector[0] = gst_element_factory_make ("input-selector", NULL);
g_object_set (stream->selector[0], "select-all", TRUE, NULL);
stream->selector[0] = gst_element_factory_make ("fsfunnel", NULL);
gst_bin_add (GST_BIN_CAST (media->pipeline), stream->selector[0]);
pad = gst_element_get_static_pad (stream->selector[0], "src");
@ -1290,8 +1292,7 @@ setup_stream (GstRTSPMediaStream * stream, guint idx, GstRTSPMedia * media)
gst_object_unref (selpad);
/* make selector for the RTCP receivers */
stream->selector[1] = gst_element_factory_make ("input-selector", NULL);
g_object_set (stream->selector[1], "select-all", TRUE, NULL);
stream->selector[1] = gst_element_factory_make ("fsfunnel", NULL);
gst_bin_add (GST_BIN_CAST (media->pipeline), stream->selector[1]);
pad = gst_element_get_static_pad (stream->selector[1], "src");