streamiddemux: Add streamiddemux element

Demultiplex a stream to multiple source pads based on the stream ids from the
stream-start events. This basically reverses the behaviour of funnel.

https://bugzilla.gnome.org/show_bug.cgi?id=707605
This commit is contained in:
HoonHee Lee 2014-03-04 19:40:05 +09:00 committed by Sebastian Dröge
parent 5143b835cc
commit fadabe8b78
10 changed files with 1238 additions and 0 deletions

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@ -839,6 +839,7 @@ tests/examples/memory/Makefile
tests/examples/metadata/Makefile
tests/examples/netclock/Makefile
tests/examples/queue/Makefile
tests/examples/streamiddemux/Makefile
tests/examples/streams/Makefile
tests/examples/typefind/Makefile
tools/Makefile

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@ -24,6 +24,7 @@ libgstcoreelements_la_SOURCES = \
gstsparsefile.c \
gsttee.c \
gsttypefindelement.c \
gststreamiddemux.c \
gstvalve.c
libgstcoreelements_la_CFLAGS = $(GST_OBJ_CFLAGS)
@ -54,6 +55,7 @@ noinst_HEADERS = \
gstsparsefile.h \
gsttee.h \
gsttypefindelement.h \
gststreamiddemux.h \
gstvalve.h
EXTRA_DIST = gstfdsrc.c \

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@ -46,6 +46,7 @@
#include "gsttee.h"
#include "gsttypefindelement.h"
#include "gstvalve.h"
#include "gststreamiddemux.h"
static gboolean
plugin_init (GstPlugin * plugin)
@ -109,6 +110,10 @@ plugin_init (GstPlugin * plugin)
gst_valve_get_type ()))
return FALSE;
if (!gst_element_register (plugin, "streamiddemux", GST_RANK_PRIMARY,
gst_streamid_demux_get_type ()))
return FALSE;
return TRUE;
}

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@ -0,0 +1,401 @@
/* GStreamer streamiddemux element
*
* Copyright 2013 LGE Corporation.
* @author: Hoonhee Lee <hoonhee.lee@lge.com>
* @author: Jeongseok Kim <jeongseok.kim@lge.com>
* @author: Wonchul Lee <wonchul86.lee@lge.com>
*
* gststreamiddemux.c: Simple stream-id-demultiplexer 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-streamid-demux
* @see_also: #GstFunnel
*
* Direct input stream to one out of N output pads by stream-id.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <string.h>
#include "gststreamiddemux.h"
GST_DEBUG_CATEGORY_STATIC (streamid_demux_debug);
#define GST_CAT_DEFAULT streamid_demux_debug
enum
{
PROP_0,
PROP_ACTIVE_PAD,
PROP_LAST
};
static GstStaticPadTemplate gst_streamid_demux_sink_factory =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS_ANY);
static GstStaticPadTemplate gst_streamid_demux_src_factory =
GST_STATIC_PAD_TEMPLATE ("src_%u",
GST_PAD_SRC,
GST_PAD_SOMETIMES,
GST_STATIC_CAPS_ANY);
#define _do_init \
GST_DEBUG_CATEGORY_INIT (streamid_demux_debug, \
"streamiddemux", 0, "Streamid demuxer");
#define gst_streamid_demux_parent_class parent_class
G_DEFINE_TYPE_WITH_CODE (GstStreamidDemux, gst_streamid_demux,
GST_TYPE_ELEMENT, _do_init);
static void gst_streamid_demux_dispose (GObject * object);
static void gst_streamid_demux_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static GstFlowReturn gst_streamid_demux_chain (GstPad * pad,
GstObject * parent, GstBuffer * buf);
static gboolean gst_streamid_demux_event (GstPad * pad, GstObject * parent,
GstEvent * event);
static GstStateChangeReturn gst_streamid_demux_change_state (GstElement *
element, GstStateChange transition);
static GstPad *gst_streamid_demux_get_srcpad_by_stream_id (GstStreamidDemux *
demux, const gchar * stream_id);
static gboolean gst_streamid_demux_srcpad_create (GstStreamidDemux * demux,
GstPad * pad, const gchar * stream_id);
static void gst_streamid_demux_reset (GstStreamidDemux * demux);
static void gst_streamid_demux_release_srcpad (const GValue * item,
GstStreamidDemux * demux);
static void
gst_streamid_demux_class_init (GstStreamidDemuxClass * klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GstElementClass *gstelement_class = GST_ELEMENT_CLASS (klass);
gobject_class->get_property = gst_streamid_demux_get_property;
gobject_class->dispose = gst_streamid_demux_dispose;
g_object_class_install_property (gobject_class, PROP_ACTIVE_PAD,
g_param_spec_object ("active-pad", "Active pad",
"The currently active src pad", GST_TYPE_PAD,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
gst_element_class_set_static_metadata (gstelement_class, "Streamid Demux",
"Generic", "1-to-N output stream by stream-id",
"HoonHee Lee <hoonhee.lee@lge.com>");
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&gst_streamid_demux_sink_factory));
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&gst_streamid_demux_src_factory));
gstelement_class->change_state = gst_streamid_demux_change_state;
}
static void
gst_streamid_demux_init (GstStreamidDemux * demux)
{
demux->sinkpad =
gst_pad_new_from_static_template (&gst_streamid_demux_sink_factory,
"sink");
gst_pad_set_chain_function (demux->sinkpad,
GST_DEBUG_FUNCPTR (gst_streamid_demux_chain));
gst_pad_set_event_function (demux->sinkpad,
GST_DEBUG_FUNCPTR (gst_streamid_demux_event));
gst_element_add_pad (GST_ELEMENT (demux), demux->sinkpad);
/* srcpad management */
demux->active_srcpad = NULL;
demux->nb_srcpads = 0;
/* initialize hash table for srcpad */
demux->stream_id_pairs =
g_hash_table_new_full (g_str_hash, g_str_equal, (GDestroyNotify) g_free,
(GDestroyNotify) gst_object_unref);
}
static void
gst_streamid_demux_dispose (GObject * object)
{
GstStreamidDemux *demux = GST_STREAMID_DEMUX (object);
gst_streamid_demux_reset (demux);
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static void
gst_streamid_demux_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstStreamidDemux *demux = GST_STREAMID_DEMUX (object);
switch (prop_id) {
case PROP_ACTIVE_PAD:
GST_OBJECT_LOCK (demux);
g_value_set_object (value, demux->active_srcpad);
GST_OBJECT_UNLOCK (demux);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static gboolean
forward_sticky_events (GstPad * pad, GstEvent ** event, gpointer user_data)
{
GstPad *srcpad = GST_PAD_CAST (user_data);
gst_pad_push_event (srcpad, gst_event_ref (*event));
return TRUE;
}
static gboolean
gst_streamid_demux_srcpad_create (GstStreamidDemux * demux, GstPad * pad,
const gchar * stream_id)
{
gchar *padname = NULL;
GstPad *srcpad = NULL;
GstPadTemplate *pad_tmpl = NULL;
padname = g_strdup_printf ("src_%u", demux->nb_srcpads++);
pad_tmpl = gst_static_pad_template_get (&gst_streamid_demux_src_factory);
GST_LOG_OBJECT (demux, "generating a srcpad:%s", padname);
srcpad = gst_pad_new_from_template (pad_tmpl, padname);
gst_object_unref (pad_tmpl);
g_free (padname);
g_return_val_if_fail (srcpad != NULL, FALSE);
demux->active_srcpad = srcpad;
g_hash_table_insert (demux->stream_id_pairs, g_strdup (stream_id),
gst_object_ref (srcpad));
return TRUE;
}
static GstFlowReturn
gst_streamid_demux_chain (GstPad * pad, GstObject * parent, GstBuffer * buf)
{
GstFlowReturn res = GST_FLOW_OK;
GstStreamidDemux *demux = NULL;
GstPad *srcpad = NULL;
demux = GST_STREAMID_DEMUX (parent);
GST_LOG_OBJECT (demux, "pushing buffer to %" GST_PTR_FORMAT,
demux->active_srcpad);
GST_OBJECT_LOCK (demux);
if (demux->active_srcpad) {
srcpad = gst_object_ref (demux->active_srcpad);
GST_OBJECT_UNLOCK (demux);
res = gst_pad_push (srcpad, buf);
gst_object_unref (srcpad);
} else {
GST_OBJECT_UNLOCK (demux);
goto no_active_srcpad;
}
GST_LOG_OBJECT (demux, "handled buffer %s", gst_flow_get_name (res));
return res;
/* ERROR */
no_active_srcpad:
{
GST_WARNING_OBJECT (demux, "srcpad is not initialized");
return GST_FLOW_NOT_NEGOTIATED;
}
}
static GstPad *
gst_streamid_demux_get_srcpad_by_stream_id (GstStreamidDemux * demux,
const gchar * stream_id)
{
GstPad *srcpad = NULL;
GST_DEBUG_OBJECT (demux, "stream_id = %s", stream_id);
if (demux->stream_id_pairs == NULL || stream_id == NULL) {
goto done;
}
srcpad = g_hash_table_lookup (demux->stream_id_pairs, stream_id);
if (srcpad) {
GST_DEBUG_OBJECT (demux, "srcpad = %s:%s matched",
GST_DEBUG_PAD_NAME (srcpad));
}
done:
return srcpad;
}
static gboolean
gst_streamid_demux_event (GstPad * pad, GstObject * parent, GstEvent * event)
{
gboolean res = TRUE;
GstStreamidDemux *demux;
const gchar *stream_id = NULL;
GstPad *active_srcpad = NULL;
demux = GST_STREAMID_DEMUX (parent);
GST_DEBUG_OBJECT (demux, "event = %s, sticky = %d",
GST_EVENT_TYPE_NAME (event), GST_EVENT_IS_STICKY (event));
if (GST_EVENT_TYPE (event) == GST_EVENT_STREAM_START) {
gst_event_parse_stream_start (event, &stream_id);
if (!stream_id)
goto no_stream_id;
GST_OBJECT_LOCK (demux);
active_srcpad =
gst_streamid_demux_get_srcpad_by_stream_id (demux, stream_id);
if (!active_srcpad) {
/* try to generate a srcpad */
if (gst_streamid_demux_srcpad_create (demux, pad, stream_id)) {
GST_OBJECT_UNLOCK (demux);
gst_pad_set_active (demux->active_srcpad, TRUE);
/* Forward sticky events to the new srcpad */
gst_pad_sticky_events_foreach (demux->sinkpad, forward_sticky_events,
demux->active_srcpad);
gst_element_add_pad (GST_ELEMENT_CAST (demux), demux->active_srcpad);
} else {
GST_OBJECT_UNLOCK (demux);
goto fail_create_srcpad;
}
} else if (demux->active_srcpad != active_srcpad) {
demux->active_srcpad = active_srcpad;
GST_OBJECT_UNLOCK (demux);
g_object_notify (G_OBJECT (demux), "active-pad");
} else
GST_OBJECT_UNLOCK (demux);
}
if (GST_EVENT_TYPE (event) == GST_EVENT_FLUSH_START
|| GST_EVENT_TYPE (event) == GST_EVENT_FLUSH_STOP
|| GST_EVENT_TYPE (event) == GST_EVENT_EOS) {
res = gst_pad_event_default (pad, parent, event);
} else if (demux->active_srcpad) {
GstPad *srcpad = NULL;
GST_OBJECT_LOCK (demux);
srcpad = gst_object_ref (demux->active_srcpad);
GST_OBJECT_UNLOCK (demux);
res = gst_pad_push_event (srcpad, event);
gst_object_unref (srcpad);
} else {
gst_event_unref (event);
}
return res;
/* ERRORS */
no_stream_id:
{
GST_ELEMENT_ERROR (demux, STREAM, DEMUX,
("Error occurred trying to get stream-id to create a srcpad"),
("no stream-id found at %s", GST_EVENT_TYPE_NAME (event)));
gst_event_unref (event);
return FALSE;
}
fail_create_srcpad:
{
GST_ELEMENT_ERROR (demux, STREAM, FAILED,
("Error occurred trying to create a srcpad"),
("Failed to create a srcpad via stream-id:%s", stream_id));
gst_event_unref (event);
return FALSE;
}
}
static void
gst_streamid_demux_release_srcpad (const GValue * item,
GstStreamidDemux * demux)
{
GstPad *pad = g_value_get_object (item);
if (pad != NULL) {
gst_pad_set_active (pad, FALSE);
gst_element_remove_pad (GST_ELEMENT_CAST (demux), pad);
}
}
static void
gst_streamid_demux_reset (GstStreamidDemux * demux)
{
GstIterator *it = NULL;
GstIteratorResult itret = GST_ITERATOR_OK;
GST_OBJECT_LOCK (demux);
if (demux->active_srcpad != NULL)
demux->active_srcpad = NULL;
GST_OBJECT_UNLOCK (demux);
if (demux->stream_id_pairs != NULL) {
g_hash_table_unref (demux->stream_id_pairs);
demux->stream_id_pairs = NULL;
}
it = gst_element_iterate_src_pads (GST_ELEMENT_CAST (demux));
while (itret == GST_ITERATOR_OK || itret == GST_ITERATOR_RESYNC) {
itret =
gst_iterator_foreach (it,
(GstIteratorForeachFunction) gst_streamid_demux_release_srcpad, demux);
if (itret == GST_ITERATOR_RESYNC)
gst_iterator_resync (it);
}
gst_iterator_free (it);
}
static GstStateChangeReturn
gst_streamid_demux_change_state (GstElement * element,
GstStateChange transition)
{
GstStreamidDemux *demux;
GstStateChangeReturn result;
demux = GST_STREAMID_DEMUX (element);
switch (transition) {
case GST_STATE_CHANGE_READY_TO_PAUSED:
break;
default:
break;
}
result = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
switch (transition) {
case GST_STATE_CHANGE_PAUSED_TO_READY:
gst_streamid_demux_reset (demux);
break;
default:
break;
}
return result;
}

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@ -0,0 +1,66 @@
/*
* GStreamer streamiddemux eleement
*
* Copyright 2013 LGE Corporation.
* @author: Hoonhee Lee <hoonhee.lee@lge.com>
* @author: Jeongseok Kim <jeongseok.kim@lge.com>
* @author: Wonchul Lee <wonchul86.lee@lge.com>
*
* gststreamiddemux.h: Simple stream-id-demultiplexer 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 __GST_STREAMID_DEMUX_H__
#define __GST_STREAMID_DEMUX_H__
#include <gst/gst.h>
G_BEGIN_DECLS
#define GST_TYPE_STREAMID_DEMUX \
(gst_streamid_demux_get_type())
#define GST_STREAMID_DEMUX(obj) \
(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_STREAMID_DEMUX, GstStreamidDemux))
#define GST_STREAMID_DEMUX_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_STREAMID_DEMUX, GstStreamidDemuxClass))
#define GST_IS_STREAMID_DEMUX(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_STREAMID_DEMUX))
#define GST_IS_STREAMID_DEMUX_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_STREAMID_DEMUX))
typedef struct _GstStreamidDemux GstStreamidDemux;
typedef struct _GstStreamidDemuxClass GstStreamidDemuxClass;
struct _GstStreamidDemux
{
GstElement element;
GstPad *sinkpad;
guint nb_srcpads;
GstPad *active_srcpad;
/* This table contains srcpad and stream-id */
GHashTable *stream_id_pairs;
};
struct _GstStreamidDemuxClass
{
GstElementClass parent_class;
};
G_GNUC_INTERNAL GType gst_streamid_demux_get_type (void);
G_END_DECLS
#endif /* __GST_STREAMID_DEMUX_H__ */

View file

@ -95,6 +95,7 @@ REGISTRY_CHECKS = \
elements/queue \
elements/queue2 \
elements/valve \
elements/streamiddemux \
libs/baseparse \
libs/basesrc \
libs/basesink \

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@ -0,0 +1,514 @@
/* GStreamer unit tests for the streamiddemux
*
* Copyright 2013 LGE Corporation.
* @author: Hoonhee Lee <hoonhee.lee@lge.com>
* @author: Jeongseok Kim <jeongseok.kim@lge.com>
* @author: Wonchul Lee <wonchul86.lee@lge.com>
*
* 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
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <gst/check/gstcheck.h>
#include <stdlib.h>
#define NUM_SUBSTREAMS 100
#define NUM_BUFFER 1000
static GstPad *active_srcpad;
struct TestData
{
GstElement *demux;
GstPad *mysrc, *mysink[NUM_SUBSTREAMS];
GstPad *demuxsink, *demuxsrc[NUM_SUBSTREAMS];
gint srcpad_cnt;
GstCaps *mycaps;
GstCaps *caps[NUM_SUBSTREAMS];
GstSegment segment[NUM_SUBSTREAMS];
gchar *stream_ids[NUM_SUBSTREAMS];
};
static void
set_active_srcpad (struct TestData *td)
{
if (active_srcpad)
gst_object_unref (active_srcpad);
g_object_get (td->demux, "active-pad", &active_srcpad, NULL);
}
static void
release_test_objects (struct TestData *td)
{
fail_unless (gst_element_set_state (td->demux, GST_STATE_NULL) ==
GST_STATE_CHANGE_SUCCESS);
gst_object_unref (td->demuxsink);
gst_caps_unref (td->mycaps);
if (active_srcpad)
gst_object_unref (active_srcpad);
gst_object_unref (td->demux);
}
static void
src_pad_added_cb (GstElement * demux, GstPad * pad, struct TestData *td)
{
if (td->srcpad_cnt < NUM_SUBSTREAMS) {
td->demuxsrc[td->srcpad_cnt] = pad;
fail_unless (gst_pad_link (pad,
td->mysink[td->srcpad_cnt++]) == GST_PAD_LINK_OK);
}
}
static void
setup_test_objects (struct TestData *td)
{
td->mycaps = gst_caps_new_empty_simple ("test/test");
td->srcpad_cnt = 0;
td->demux = gst_element_factory_make ("streamiddemux", NULL);
fail_unless (td->demux != NULL);
g_signal_connect (td->demux, "pad-added", G_CALLBACK (src_pad_added_cb), td);
td->demuxsink = gst_element_get_static_pad (td->demux, "sink");
fail_unless (td->demuxsink != NULL);
fail_unless (gst_element_set_state (td->demux, GST_STATE_PLAYING) ==
GST_STATE_CHANGE_SUCCESS);
}
static GstFlowReturn
chain_ok (GstPad * pad, GstObject * parent, GstBuffer * buffer)
{
GstPad *peer_pad = NULL;
gchar *pad_stream_id, *active_srcpad_stream_id;
peer_pad = gst_pad_get_peer (active_srcpad);
pad_stream_id = gst_pad_get_stream_id (pad);
active_srcpad_stream_id = gst_pad_get_stream_id (active_srcpad);
fail_unless (pad == peer_pad);
fail_unless (g_strcmp0 (pad_stream_id, active_srcpad_stream_id) == 0);
g_free (pad_stream_id);
g_free (active_srcpad_stream_id);
gst_object_unref (peer_pad);
gst_buffer_unref (buffer);
return GST_FLOW_OK;
}
GST_START_TEST (test_simple_create_destroy)
{
GstElement *demux;
demux = gst_element_factory_make ("streamiddemux", NULL);
gst_object_unref (demux);
}
GST_END_TEST;
GST_START_TEST (test_streamiddemux_with_stream_start)
{
struct TestData td;
setup_test_objects (&td);
GST_DEBUG ("Creating mysink");
td.mysink[0] = gst_pad_new ("mysink0", GST_PAD_SINK);
gst_pad_set_active (td.mysink[0], TRUE);
GST_DEBUG ("Creating mysrc");
td.mysrc = gst_pad_new ("mysrc", GST_PAD_SRC);
fail_unless (GST_PAD_LINK_SUCCESSFUL (gst_pad_link (td.mysrc, td.demuxsink)));
gst_pad_set_active (td.mysrc, TRUE);
GST_DEBUG ("Pushing stream-start event");
fail_unless (gst_pad_push_event (td.mysrc,
gst_event_new_stream_start ("test0")));
g_object_get (td.demux, "active-pad", &active_srcpad, NULL);
fail_unless (active_srcpad != NULL, "Failed to generate a srcpad");
fail_unless (td.srcpad_cnt == 1, "pad-added signal has not emmited");
GST_DEBUG ("Releasing mysink and mysrc");
gst_pad_set_active (td.mysink[0], FALSE);
gst_pad_set_active (td.mysrc, FALSE);
gst_object_unref (td.mysink[0]);
gst_object_unref (td.mysrc);
GST_DEBUG ("Releasing streamiddemux");
release_test_objects (&td);
}
GST_END_TEST;
GST_START_TEST (test_streamiddemux_without_stream_start)
{
struct TestData td;
GstSegment segment;
setup_test_objects (&td);
GST_DEBUG ("Creating mysink");
td.mysink[0] = gst_pad_new ("mysink0", GST_PAD_SINK);
gst_pad_set_active (td.mysink[0], TRUE);
GST_DEBUG ("Creating mysrc");
td.mysrc = gst_pad_new ("mysrc", GST_PAD_SRC);
fail_unless (GST_PAD_LINK_SUCCESSFUL (gst_pad_link (td.mysrc, td.demuxsink)));
gst_pad_set_active (td.mysrc, TRUE);
GST_DEBUG ("Pushing caps and segment event without stream-start");
fail_unless (gst_pad_push_event (td.mysrc, gst_event_new_caps (td.mycaps)));
gst_segment_init (&segment, GST_FORMAT_BYTES);
fail_unless (gst_pad_push_event (td.mysrc, gst_event_new_segment (&segment)));
g_object_get (td.demux, "active-pad", &active_srcpad, NULL);
fail_unless (active_srcpad == NULL, "srcpad has created unexpectedly");
fail_unless (td.srcpad_cnt == 0, "pad-added signal is emmited unexpectedly");
GST_DEBUG ("Releasing mysink and mysrc");
gst_pad_set_active (td.mysink[0], FALSE);
gst_pad_set_active (td.mysrc, FALSE);
gst_object_unref (td.mysink[0]);
gst_object_unref (td.mysrc);
GST_DEBUG ("Releasing streamiddemux");
release_test_objects (&td);
}
GST_END_TEST;
GST_START_TEST (test_streamiddemux_simple)
{
struct TestData td;
setup_test_objects (&td);
GST_DEBUG ("Creating mysink");
td.mysink[0] = gst_pad_new ("mysink0", GST_PAD_SINK);
td.mysink[0]->chaindata = &td;
gst_pad_set_chain_function (td.mysink[0], chain_ok);
gst_pad_set_active (td.mysink[0], TRUE);
td.mysink[1] = gst_pad_new ("mysink1", GST_PAD_SINK);
td.mysink[1]->chaindata = &td;
gst_pad_set_chain_function (td.mysink[1], chain_ok);
gst_pad_set_active (td.mysink[1], TRUE);
GST_DEBUG ("Creating mysrc");
td.mysrc = gst_pad_new ("mysrc", GST_PAD_SRC);
fail_unless (GST_PAD_LINK_SUCCESSFUL (gst_pad_link (td.mysrc, td.demuxsink)));
gst_pad_set_active (td.mysrc, TRUE);
GST_DEBUG ("Pushing stream-start, caps and segment event");
gst_check_setup_events_with_stream_id (td.mysrc, td.demux, td.mycaps,
GST_FORMAT_BYTES, "test0");
set_active_srcpad (&td);
fail_unless (gst_pad_push (td.mysrc, gst_buffer_new ()) == GST_FLOW_OK);
gst_check_setup_events_with_stream_id (td.mysrc, td.demux, td.mycaps,
GST_FORMAT_BYTES, "test1");
set_active_srcpad (&td);
fail_unless (gst_pad_push (td.mysrc, gst_buffer_new ()) == GST_FLOW_OK);
GST_DEBUG ("Pushing buffer");
fail_unless (gst_pad_push_event (td.mysrc,
gst_event_new_stream_start ("test0")));
set_active_srcpad (&td);
fail_unless (gst_pad_push (td.mysrc, gst_buffer_new ()) == GST_FLOW_OK);
fail_unless (gst_pad_push (td.mysrc, gst_buffer_new ()) == GST_FLOW_OK);
fail_unless (gst_pad_push_event (td.mysrc,
gst_event_new_stream_start ("test1")));
set_active_srcpad (&td);
fail_unless (gst_pad_push (td.mysrc, gst_buffer_new ()) == GST_FLOW_OK);
fail_unless (gst_pad_push (td.mysrc, gst_buffer_new ()) == GST_FLOW_OK);
GST_DEBUG ("Releasing mysink and mysrc");
gst_pad_set_active (td.mysink[0], FALSE);
gst_pad_set_active (td.mysink[1], FALSE);
gst_pad_set_active (td.mysrc, FALSE);
gst_object_unref (td.mysink[0]);
gst_object_unref (td.mysink[1]);
gst_object_unref (td.mysrc);
GST_DEBUG ("Releasing streamiddemux");
release_test_objects (&td);
}
GST_END_TEST;
GList *expected[NUM_SUBSTREAMS];
static gboolean
sink_event_func (GstPad * pad, GstObject * parent, GstEvent * event)
{
GList **expected = GST_PAD_ELEMENT_PRIVATE (pad);
GstEvent *exp;
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_CAPS:{
GstCaps *recvcaps, *expectcaps;
*expected = g_list_first (*expected);
exp = GST_EVENT ((*expected)->data);
gst_event_parse_caps (event, &recvcaps);
gst_event_parse_caps (exp, &expectcaps);
fail_unless (gst_caps_is_equal (recvcaps, expectcaps));
break;
}
case GST_EVENT_SEGMENT:{
const GstSegment *recvseg, *expectseg;
*expected = g_list_last (*expected);
exp = GST_EVENT ((*expected)->data);
gst_event_parse_segment (event, &recvseg);
gst_event_parse_segment (exp, &expectseg);
fail_unless_equals_uint64 (recvseg->position, expectseg->position);
break;
}
default:
break;
}
return gst_pad_event_default (pad, parent, event);
}
GST_START_TEST (test_streamiddemux_num_buffers)
{
struct TestData td;
gint buffer_cnt = 0;
gint stream_cnt = 0;
GstEvent *event;
setup_test_objects (&td);
GST_DEBUG ("Creating mysink");
for (stream_cnt = 0; stream_cnt < NUM_SUBSTREAMS; ++stream_cnt) {
gchar *name;
name = g_strdup_printf ("mysink%d", stream_cnt);
td.mysink[stream_cnt] = gst_pad_new (name, GST_PAD_SINK);
g_free (name);
gst_pad_set_chain_function (td.mysink[stream_cnt], chain_ok);
gst_pad_set_event_function (td.mysink[stream_cnt], sink_event_func);
gst_pad_set_active (td.mysink[stream_cnt], TRUE);
GST_PAD_ELEMENT_PRIVATE (td.mysink[stream_cnt]) = &expected[stream_cnt];
}
GST_DEBUG ("Creating mysrc");
td.mysrc = gst_pad_new ("mysrc", GST_PAD_SRC);
fail_unless (GST_PAD_LINK_SUCCESSFUL (gst_pad_link (td.mysrc, td.demuxsink)));
gst_pad_set_active (td.mysrc, TRUE);
GST_DEBUG ("Creating caps");
for (stream_cnt = 0; stream_cnt < NUM_SUBSTREAMS; ++stream_cnt) {
gchar *caps_name;
caps_name = g_strdup_printf ("test/test%d", stream_cnt);
td.caps[stream_cnt] = gst_caps_new_empty_simple (caps_name);
g_free (caps_name);
}
GST_DEBUG ("Creating segment");
for (stream_cnt = 0; stream_cnt < NUM_SUBSTREAMS; ++stream_cnt) {
gst_segment_init (&td.segment[stream_cnt], GST_FORMAT_BYTES);
td.segment[stream_cnt].position = stream_cnt * GST_SECOND;
}
GST_DEBUG ("Pushing stream-start, caps and segment event");
for (stream_cnt = 0; stream_cnt < NUM_SUBSTREAMS; ++stream_cnt) {
gchar *name;
name = g_strdup_printf ("test%d", stream_cnt);
fail_unless (gst_pad_push_event (td.mysrc,
gst_event_new_stream_start (name)));
event = gst_event_new_caps (td.caps[stream_cnt]);
expected[stream_cnt] =
g_list_append (expected[stream_cnt], gst_event_ref (event));
fail_unless (gst_pad_push_event (td.mysrc, event));
event = gst_event_new_segment (&td.segment[stream_cnt]);
expected[stream_cnt] =
g_list_append (expected[stream_cnt], gst_event_ref (event));
fail_unless (gst_pad_push_event (td.mysrc, event));
g_free (name);
set_active_srcpad (&td);
fail_unless (gst_pad_push (td.mysrc, gst_buffer_new ()) == GST_FLOW_OK);
}
GST_DEBUG ("Pushing buffers to random srcpad");
for (buffer_cnt = 0; buffer_cnt < NUM_BUFFER; ++buffer_cnt) {
gchar *name;
gint active_stream = rand () % NUM_SUBSTREAMS;
name = g_strdup_printf ("test%d", active_stream);
fail_unless (gst_pad_push_event (td.mysrc,
gst_event_new_stream_start (name)));
fail_unless (gst_pad_push_event (td.mysrc,
gst_event_new_caps (td.caps[active_stream])));
fail_unless (gst_pad_push_event (td.mysrc,
gst_event_new_segment (&td.segment[active_stream])));
g_free (name);
set_active_srcpad (&td);
fail_unless (gst_pad_push (td.mysrc, gst_buffer_new ()) == GST_FLOW_OK);
}
for (stream_cnt = 0; stream_cnt < NUM_SUBSTREAMS; ++stream_cnt)
gst_caps_unref (td.caps[stream_cnt]);
GST_DEBUG ("Releasing mysink and mysrc");
for (stream_cnt = 0; stream_cnt < NUM_SUBSTREAMS; ++stream_cnt) {
gst_pad_set_active (td.mysink[stream_cnt], FALSE);
}
gst_pad_set_active (td.mysrc, FALSE);
for (stream_cnt = 0; stream_cnt < NUM_SUBSTREAMS; ++stream_cnt) {
gst_object_unref (td.mysink[stream_cnt]);
}
gst_object_unref (td.mysrc);
GST_DEBUG ("Releasing streamiddemux");
release_test_objects (&td);
}
GST_END_TEST;
guint num_eos = 0;
guint num_flush_start = 0;
guint num_flush_stop = 0;
static gboolean
event_func (GstPad * pad, GstObject * parent, GstEvent * event)
{
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_STREAM_START:
++num_flush_start;
break;
case GST_EVENT_FLUSH_STOP:
++num_flush_stop;
break;
case GST_EVENT_EOS:
++num_eos;
break;
default:
break;
}
return gst_pad_event_default (pad, parent, event);
}
GST_START_TEST (test_streamiddemux_eos)
{
struct TestData td;
setup_test_objects (&td);
num_eos = 0;
GST_DEBUG ("Creating mysink");
td.mysink[0] = gst_pad_new ("mysink0", GST_PAD_SINK);
gst_pad_set_chain_function (td.mysink[0], chain_ok);
gst_pad_set_event_function (td.mysink[0], event_func);
gst_pad_set_active (td.mysink[0], TRUE);
td.mysink[1] = gst_pad_new ("mysink1", GST_PAD_SINK);
gst_pad_set_chain_function (td.mysink[1], chain_ok);
gst_pad_set_event_function (td.mysink[1], event_func);
gst_pad_set_active (td.mysink[1], TRUE);
GST_DEBUG ("Creating mysrc");
td.mysrc = gst_pad_new ("mysrc", GST_PAD_SRC);
fail_unless (GST_PAD_LINK_SUCCESSFUL (gst_pad_link (td.mysrc, td.demuxsink)));
gst_pad_set_active (td.mysrc, TRUE);
GST_DEBUG ("Pushing stream-start, caps and segment event");
gst_check_setup_events_with_stream_id (td.mysrc, td.demux, td.mycaps,
GST_FORMAT_BYTES, "test0");
set_active_srcpad (&td);
fail_unless (gst_pad_push (td.mysrc, gst_buffer_new ()) == GST_FLOW_OK);
gst_check_setup_events_with_stream_id (td.mysrc, td.demux, td.mycaps,
GST_FORMAT_BYTES, "test1");
set_active_srcpad (&td);
fail_unless (gst_pad_push (td.mysrc, gst_buffer_new ()) == GST_FLOW_OK);
GST_DEBUG ("Pushing flush event");
fail_unless (gst_pad_push_event (td.mysrc, gst_event_new_flush_start ()));
fail_unless (num_flush_start == 2,
"Failed to send flush-start event to all pads internally linked");
fail_unless (gst_pad_push_event (td.mysrc, gst_event_new_flush_stop (TRUE)));
fail_unless (num_flush_stop == 2,
"Failed to send flush-stop event to all pads internally linked");
GST_DEBUG ("Pushing eos event");
fail_unless (gst_pad_push_event (td.mysrc, gst_event_new_eos ()));
fail_unless (num_eos == 2,
"Failed to send eos event to all pads internally linked");
fail_unless (gst_pad_push (td.mysrc, gst_buffer_new ()) == GST_FLOW_EOS);
GST_DEBUG ("Releasing mysink and mysrc");
gst_pad_set_active (td.mysink[0], FALSE);
gst_pad_set_active (td.mysink[1], FALSE);
gst_pad_set_active (td.mysrc, FALSE);
gst_object_unref (td.mysink[0]);
gst_object_unref (td.mysink[1]);
gst_object_unref (td.mysrc);
GST_DEBUG ("Releasing streamiddemux");
release_test_objects (&td);
}
GST_END_TEST;
static Suite *
streamiddemux_suite (void)
{
Suite *s = suite_create ("streamiddemux");
TCase *tc_chain;
tc_chain = tcase_create ("streamiddemux simple");
tcase_add_test (tc_chain, test_simple_create_destroy);
tcase_add_test (tc_chain, test_streamiddemux_with_stream_start);
tcase_add_test (tc_chain, test_streamiddemux_without_stream_start);
tcase_add_test (tc_chain, test_streamiddemux_simple);
tcase_add_test (tc_chain, test_streamiddemux_num_buffers);
tcase_add_test (tc_chain, test_streamiddemux_eos);
suite_add_tcase (s, tc_chain);
return s;
}
GST_CHECK_MAIN (streamiddemux);

View file

@ -20,6 +20,7 @@ always_dirs = \
netclock \
queue \
stepping \
streamiddemux \
streams \
typefind

View file

@ -0,0 +1,6 @@
noinst_PROGRAMS = streamiddemux-stream
streamiddemux_stream_SOURCES = streamiddemux-stream.c
streamiddemux_stream_LDADD = $(GST_OBJ_LIBS)
streamiddemux_stream_CFLAGS = $(GST_OBJ_CFLAGS)

View file

@ -0,0 +1,241 @@
#include <gst/gst.h>
#define NUM_STREAM 13
typedef struct _App App;
struct _App
{
GstElement *pipeline;
GstElement *audiotestsrc[NUM_STREAM];
GstElement *audioconvert[NUM_STREAM];
GstElement *capsfilter[NUM_STREAM];
GstElement *vorbisenc[NUM_STREAM];
GstElement *oggmux[NUM_STREAM];
GstElement *funnel;
GstElement *demux;
GstElement *stream_synchronizer;
GstElement *queue[NUM_STREAM];
GstElement *filesink[NUM_STREAM];
gboolean pad_blocked[NUM_STREAM];
GstPad *queue_srcpad[NUM_STREAM];
gulong blocked_id[NUM_STREAM];
};
App s_app;
gint pad_added_cnt = 0;
static gboolean
bus_call (GstBus * bus, GstMessage * msg, gpointer data)
{
GMainLoop *loop = (GMainLoop *) data;
switch (GST_MESSAGE_TYPE (msg)) {
case GST_MESSAGE_EOS:{
g_main_loop_quit (loop);
break;
}
case GST_MESSAGE_ERROR:{
g_main_loop_quit (loop);
break;
}
default:
break;
}
return TRUE;
}
static void
set_blocked (App * app, gboolean blocked)
{
gint i = 0;
for (i = 0; i < NUM_STREAM; i++) {
gst_pad_remove_probe (app->queue_srcpad[i], app->blocked_id[i]);
}
}
static void
sink_do_reconfigure (App * app)
{
gint i = 0;
GstPad *filesink_sinkpad[NUM_STREAM];
GstPad *sync_sinkpad[NUM_STREAM];
GstPad *sync_srcpad[NUM_STREAM];
GstIterator *it;
GValue item = G_VALUE_INIT;
for (i = 0; i < NUM_STREAM; i++) {
sync_sinkpad[i] =
gst_element_get_request_pad (app->stream_synchronizer, "sink_%u");
it = gst_pad_iterate_internal_links (sync_sinkpad[i]);
g_assert (it);
gst_iterator_next (it, &item);
sync_srcpad[i] = g_value_dup_object (&item);
g_value_unset (&item);
filesink_sinkpad[i] = gst_element_get_static_pad (app->filesink[i], "sink");
gst_pad_link_full (app->queue_srcpad[i], sync_sinkpad[i],
GST_PAD_LINK_CHECK_NOTHING);
gst_pad_link_full (sync_srcpad[i], filesink_sinkpad[i],
GST_PAD_LINK_CHECK_NOTHING);
}
gst_iterator_free (it);
}
static GstPadProbeReturn
blocked_cb (GstPad * blockedpad, GstPadProbeInfo * info, gpointer user_data)
{
App *app = user_data;
gint i = 0;
gboolean all_pads_blocked = TRUE;
for (i = 0; i < NUM_STREAM; i++) {
if (blockedpad == app->queue_srcpad[i])
app->pad_blocked[i] = TRUE;
}
for (i = 0; i < NUM_STREAM; i++) {
if (app->queue_srcpad[i] == FALSE) {
all_pads_blocked = FALSE;
break;
}
}
if (all_pads_blocked == TRUE) {
sink_do_reconfigure (app);
set_blocked (app, FALSE);
}
return GST_PAD_PROBE_OK;
}
static void
src_pad_added_cb (GstElement * demux, GstPad * pad, App * app)
{
GstPad *queue_sinkpad[NUM_STREAM];
queue_sinkpad[pad_added_cnt] =
gst_element_get_static_pad (app->queue[pad_added_cnt], "sink");
gst_pad_link_full (pad, queue_sinkpad[pad_added_cnt],
GST_PAD_LINK_CHECK_NOTHING);
app->queue_srcpad[pad_added_cnt] =
gst_element_get_static_pad (app->queue[pad_added_cnt], "src");
app->blocked_id[pad_added_cnt] =
gst_pad_add_probe (app->queue_srcpad[pad_added_cnt],
GST_PAD_PROBE_TYPE_BLOCK_DOWNSTREAM, blocked_cb, app, NULL);
pad_added_cnt++;
}
gint
main (gint argc, gchar * argv[])
{
App *app = &s_app;
GMainLoop *loop = NULL;
GstBus *bus;
guint bus_watch_id;
GstPad *funnel_sinkpad[NUM_STREAM];
GstPad *funnel_srcpad;
GstPad *demux_sinkpad;
GstPad *oggmux_srcpad[NUM_STREAM];
guint stream_cnt = 0;
GstCaps *caps;
gst_init (&argc, &argv);
app->pipeline = gst_pipeline_new ("pipeline");
for (stream_cnt = 0; stream_cnt < NUM_STREAM; stream_cnt++) {
app->audiotestsrc[stream_cnt] =
gst_element_factory_make ("audiotestsrc", NULL);
app->audioconvert[stream_cnt] =
gst_element_factory_make ("audioconvert", NULL);
app->capsfilter[stream_cnt] = gst_element_factory_make ("capsfilter", NULL);
app->vorbisenc[stream_cnt] = gst_element_factory_make ("vorbisenc", NULL);
app->oggmux[stream_cnt] = gst_element_factory_make ("oggmux", NULL);
}
app->funnel = gst_element_factory_make ("funnel", NULL);
app->demux = gst_element_factory_make ("streamiddemux", NULL);
app->stream_synchronizer =
gst_element_factory_make ("streamsynchronizer", NULL);
caps = gst_caps_from_string ("audio/x-raw,channels=1;");
stream_cnt = 0;
for (stream_cnt = 0; stream_cnt < NUM_STREAM; stream_cnt++) {
app->queue[stream_cnt] = gst_element_factory_make ("queue", NULL);
app->filesink[stream_cnt] = gst_element_factory_make ("filesink", NULL);
g_object_set (app->audiotestsrc[stream_cnt], "wave", stream_cnt,
"num-buffers", 2000, NULL);
g_object_set (app->capsfilter[stream_cnt], "caps", caps, NULL);
g_object_set (app->filesink[stream_cnt], "location",
g_strdup_printf ("filesink_%d.ogg", stream_cnt), NULL);
}
stream_cnt = 0;
g_signal_connect (app->demux, "pad-added", G_CALLBACK (src_pad_added_cb),
app);
loop = g_main_loop_new (NULL, FALSE);
bus = gst_element_get_bus (app->pipeline);
bus_watch_id = gst_bus_add_watch (bus, bus_call, loop);
g_object_unref (bus);
for (stream_cnt = 0; stream_cnt < NUM_STREAM; stream_cnt++) {
gst_bin_add_many (GST_BIN (app->pipeline), app->audiotestsrc[stream_cnt],
app->audioconvert[stream_cnt], app->capsfilter[stream_cnt],
app->vorbisenc[stream_cnt], app->oggmux[stream_cnt],
app->queue[stream_cnt], app->filesink[stream_cnt], NULL);
if (stream_cnt == 0) {
gst_bin_add_many (GST_BIN (app->pipeline), app->funnel, app->demux,
app->stream_synchronizer, NULL);
}
}
stream_cnt = 0;
for (stream_cnt = 0; stream_cnt < NUM_STREAM; stream_cnt++) {
gst_element_link_many (app->audiotestsrc[stream_cnt],
app->audioconvert[stream_cnt], app->capsfilter[stream_cnt],
app->vorbisenc[stream_cnt], app->oggmux[stream_cnt], NULL);
}
stream_cnt = 0;
for (stream_cnt = 0; stream_cnt < NUM_STREAM; stream_cnt++) {
funnel_sinkpad[stream_cnt] =
gst_element_get_request_pad (app->funnel, "sink_%u");
oggmux_srcpad[stream_cnt] =
gst_element_get_static_pad (app->oggmux[stream_cnt], "src");
gst_pad_link (oggmux_srcpad[stream_cnt], funnel_sinkpad[stream_cnt]);
}
funnel_srcpad = gst_element_get_static_pad (app->funnel, "src");
demux_sinkpad = gst_element_get_static_pad (app->demux, "sink");
gst_pad_link (funnel_srcpad, demux_sinkpad);
gst_element_set_state (app->pipeline, GST_STATE_PLAYING);
g_main_loop_run (loop);
gst_element_set_state (app->pipeline, GST_STATE_NULL);
g_object_unref (app->pipeline);
g_source_remove (bus_watch_id);
g_main_loop_unref (loop);
return 0;
}