mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-12-23 08:46:40 +00:00
Code Issues 1 Projects Releases Wiki Activity

element-maker: improve generation of several classes

Browse source 
Better creation of pads, test and fix many other classes.  Most
classes work now, although might not create functional elements.
This commit is contained in:
David Schleef 2010-12-14 19:03:09 -08:00
parent 9fd41486a2
commit da1fe1e0dd
21 changed files with 816 additions and 101 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
tools/Makefile.am
View file

@ -17,4 +17,8 @@ EXTRA_DIST = \
gstelement.c \
gstpushsrc.c \
gsttagdemux.c \
gstvideosink.c
gstvideosink.c \
sinkpad.c \
sinkpad-simple.c \
srcpad.c \
srcpad-simple.c

78
tools/element-maker
View file

@ -73,6 +73,7 @@ source=gst$class.c
pkg=`grep -A 10000 '^% pkg-config' $source | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1`
GST_TYPE_BASE_REPLACE=`grep -A 10000 '^% TYPE_CLASS_NAME' $source | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1`
GstBaseReplace=`grep -A 10000 '^% ClassName' $source | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1`
pads=`grep -A 10000 '^% pads' $source | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1`
generate ()
{
@ -102,12 +103,12 @@ cat <<-EOF
/**
* SECTION:element-$gstreplace
*
* The $gstreplace element does FIXME stuff.
* The $replace element does FIXME stuff.
*
* <refsect2>
* <title>Example launch line</title>
* |[
* gst-launch -v fakesrc ! $gstreplace ! FIXME ! fakesink
* gst-launch -v fakesrc ! $replace ! FIXME ! fakesink
* ]|
* FIXME Describe what the pipeline does.
* </refsect2>
@ -138,6 +139,10 @@ EOF
grep -A 10000 '^% prototypes' base.c | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1
grep -A 10000 '^% prototypes' gobject.c | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1
grep -A 10000 '^% prototypes' $source | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1
for each in $pads
do
grep -A 10000 '^% prototypes' $each.c | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1
done
cat <<EOF
@ -148,19 +153,14 @@ enum
/* pad templates */
static GstStaticPadTemplate gst_replace_sink_template =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("application/unknown")
);
EOF
static GstStaticPadTemplate gst_replace_src_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("application/unknown")
);
for each in $pads
do
grep -A 10000 '^% pad-template' $each.c | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1
done
cat <<EOF
/* class initialization */
@ -172,13 +172,17 @@ gst_replace_base_init (gpointer g_class)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_replace_src_template));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_replace_sink_template));
EOF
gst_element_class_set_details_simple (element_class, "FIXME",
"Generic", "FIXME", "$REAL_NAME <$EMAIL_ADDRESS>");
for each in $pads
do
grep -A 10000 '^% base-init' $each.c | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1
done
cat <<EOF
gst_element_class_set_details_simple (element_class, "FIXME Long name",
"Generic", "FIXME Description", "$REAL_NAME <$EMAIL_ADDRESS>");
}
static void
@ -202,7 +206,15 @@ cat <<EOF
static void
gst_replace_init (GstReplace * replace, GstReplaceClass * replace_class)
{
EOF
for each in $pads
do
grep -A 10000 '^% instance-init' $each.c | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1
done
cat <<EOF
}
EOF
@ -210,6 +222,10 @@ EOF
grep -A 10000 '^% methods' base.c | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1
grep -A 10000 '^% methods' gobject.c | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1
grep -A 10000 '^% methods' $source | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1
for each in $pads
do
grep -A 10000 '^% methods' $each.c | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1
done
cat <<EOF
@ -224,16 +240,24 @@ plugin_init (GstPlugin * plugin)
return TRUE;
}
#ifndef VERSION
#define VERSION "0.0.FIXME"
#endif
#ifndef PACKAGE
#define PACKAGE "FIXME_package"
#endif
#ifndef PACKAGE_NAME
#define PACKAGE_NAME "FIXME_package_name"
#define PACKAGE_ORIGIN "http://FIXME.org/"
#endif
#ifndef GST_PACKAGE_ORIGIN
#define GST_PACKAGE_ORIGIN "http://FIXME.org/"
#endif
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
GST_VERSION_MINOR,
"replace",
"FIXME",
plugin_init, VERSION, "LGPL", PACKAGE_NAME, PACKAGE_ORIGIN)
"FIXME plugin description",
plugin_init, VERSION, "LGPL", PACKAGE_NAME, GST_PACKAGE_ORIGIN)
EOF
@ -277,6 +301,14 @@ struct _GstReplace
{
GstBaseReplace base_replace;
EOF
for each in $pads
do
grep -A 10000 '^% instance-members' $each.c | tail -n +2|grep -m 1 -B 10000 '^%'|head -n -1
done
cat <<EOF
};
struct _GstReplaceClass

2
tools/gstaudiofilter.c
View file

@ -2,6 +2,8 @@
GstAudioFilter
% TYPE_CLASS_NAME
GST_TYPE_AUDIO_FILTER
% pads
sinkpad-simple srcpad-simple
% pkg-config
gstreamer-audio-0.10
% includes

46
tools/gstaudiosink.c
View file

@ -2,57 +2,71 @@
GstAudioSink
% TYPE_CLASS_NAME
GST_TYPE_AUDIO_SINK
% pads
sinkpad-simple
% pkg-config
gstreamer-audio-0.10
% includes
#include <gst/audio/gstaudiosink.h>
% prototypes
static gboolean gst_replace_open (GstAudioSrc * src);
static gboolean gst_replace_open (GstAudioSink * sink);
static gboolean
gst_replace_prepare (GstAudioSrc * src, GstRingBufferSpec * spec);
static gboolean gst_replace_unprepare (GstAudioSrc * src);
static gboolean gst_replace_close (GstAudioSrc * src);
static guint gst_replace_read (GstAudioSrc * src, gpointer data, guint length);
static guint gst_replace_delay (GstAudioSrc * src);
static void gst_replace_reset (GstAudioSrc * src);
gst_replace_prepare (GstAudioSink * sink, GstRingBufferSpec * spec);
static gboolean gst_replace_unprepare (GstAudioSink * sink);
static gboolean gst_replace_close (GstAudioSink * sink);
static guint gst_replace_write (GstAudioSink * sink, gpointer data, guint length);
static guint gst_replace_delay (GstAudioSink * sink);
static void gst_replace_reset (GstAudioSink * sink);
% declare-class
GstAudioSink *audio_sink_class = GST_AUDIO_SINK (klass);
GstAudioSinkClass *audio_sink_class = GST_AUDIO_SINK_CLASS (klass);
% set-methods
audio_sink_class-> = GST_DEBUG_FUNCPTR (gst_replace_);
audio_sink_class->open = GST_DEBUG_FUNCPTR (gst_replace_open);
audio_sink_class->prepare = GST_DEBUG_FUNCPTR (gst_replace_prepare);
audio_sink_class->unprepare = GST_DEBUG_FUNCPTR (gst_replace_unprepare);
audio_sink_class->close = GST_DEBUG_FUNCPTR (gst_replace_close);
audio_sink_class->write = GST_DEBUG_FUNCPTR (gst_replace_write);
audio_sink_class->delay = GST_DEBUG_FUNCPTR (gst_replace_delay);
audio_sink_class->reset = GST_DEBUG_FUNCPTR (gst_replace_reset);
% methods
static gboolean
gst_replace_open (GstAudioSrc * src)
gst_replace_open (GstAudioSink * sink)
{
return FALSE;
}
static gboolean
gst_replace_prepare (GstAudioSrc * src, GstRingBufferSpec * spec)
gst_replace_prepare (GstAudioSink * sink, GstRingBufferSpec * spec)
{
return FALSE;
}
static gboolean
gst_replace_unprepare (GstAudioSrc * src)
gst_replace_unprepare (GstAudioSink * sink)
{
return FALSE;
}
static gboolean
gst_replace_close (GstAudioSrc * src)
gst_replace_close (GstAudioSink * sink)
{
return FALSE;
}
static guint
gst_replace_read (GstAudioSrc * src, gpointer data, guint length)
gst_replace_write (GstAudioSink * sink, gpointer data, guint length)
{
return 0;
}
static guint
gst_replace_delay (GstAudioSrc * src)
gst_replace_delay (GstAudioSink * sink)
{
return 0;
}
static void
gst_replace_reset (GstAudioSrc * src)
gst_replace_reset (GstAudioSink * sink)
{
}
% end

46
tools/gstaudiosrc.c
View file

@ -2,58 +2,72 @@
GstAudioSrc
% TYPE_CLASS_NAME
GST_TYPE_AUDIO_SRC
% pads
srcpad-simple
% pkg-config
gstreamer-audio-0.10
% includes
#include <gst/audio/gstaudiosrc.h>
% prototypes
static gboolean gst_replace_open (GstAudioSink * sink);
static gboolean gst_replace_open (GstAudioSrc * src);
static gboolean
gst_replace_prepare (GstAudioSink * sink, GstRingBufferSpec * spec);
static gboolean gst_replace_unprepare (GstAudioSink * sink);
static gboolean gst_replace_close (GstAudioSink * sink);
gst_replace_prepare (GstAudioSrc * src, GstRingBufferSpec * spec);
static gboolean gst_replace_unprepare (GstAudioSrc * src);
static gboolean gst_replace_close (GstAudioSrc * src);
static guint
gst_replace_write (GstAudioSink * sink, gpointer data, guint length);
static guint gst_replace_delay (GstAudioSink * sink);
static void gst_replace_reset (GstAudioSink * sink);
gst_replace_read (GstAudioSrc * src, gpointer data, guint length);
static guint gst_replace_delay (GstAudioSrc * src);
static void gst_replace_reset (GstAudioSrc * src);
% declare-class
GstAudioSrc *audio_src_class = GST_AUDIO_SRC (klass);
GstAudioSrcClass *audio_src_class = GST_AUDIO_SRC_CLASS (klass);
% set-methods
audio_src_class-> = GST_DEBUG_FUNCPTR (gst_replace_);
audio_src_class->open = GST_DEBUG_FUNCPTR (gst_replace_open);
audio_src_class->prepare = GST_DEBUG_FUNCPTR (gst_replace_prepare);
audio_src_class->unprepare = GST_DEBUG_FUNCPTR (gst_replace_unprepare);
audio_src_class->close = GST_DEBUG_FUNCPTR (gst_replace_close);
audio_src_class->read = GST_DEBUG_FUNCPTR (gst_replace_read);
audio_src_class->delay = GST_DEBUG_FUNCPTR (gst_replace_delay);
audio_src_class->reset = GST_DEBUG_FUNCPTR (gst_replace_reset);
% methods
static gboolean
gst_replace_open (GstAudioSink * sink)
gst_replace_open (GstAudioSrc * src)
{
return FALSE;
}
static gboolean
gst_replace_prepare (GstAudioSink * sink, GstRingBufferSpec * spec)
gst_replace_prepare (GstAudioSrc * src, GstRingBufferSpec * spec)
{
return FALSE;
}
static gboolean
gst_replace_unprepare (GstAudioSink * sink)
gst_replace_unprepare (GstAudioSrc * src)
{
return FALSE;
}
static gboolean
gst_replace_close (GstAudioSink * sink)
gst_replace_close (GstAudioSrc * src)
{
return FALSE;
}
static guint
gst_replace_write (GstAudioSink * sink, gpointer data, guint length)
gst_replace_read (GstAudioSrc * src, gpointer data, guint length)
{
return 0;
}
static guint
gst_replace_delay (GstAudioSink * sink)
gst_replace_delay (GstAudioSrc * src)
{
return 0;
}
static void
gst_replace_reset (GstAudioSink * sink)
gst_replace_reset (GstAudioSrc * src)
{
}
% end

8
tools/gstbaseaudiosink.c
View file

@ -2,6 +2,8 @@
GstBaseAudioSink
% TYPE_CLASS_NAME
GST_TYPE_BASE_AUDIO_SINK
% pads
sinkpad-simple
% pkg-config
gstreamer-audio-0.10
% includes
@ -9,14 +11,14 @@ gstreamer-audio-0.10
% prototypes
static GstRingBuffer *gst_replace_create_ringbuffer (GstBaseAudioSink * sink);
% declare-class
GstBaseAudioSink *base_audio_sink_class = GST_BASE_AUDIO_SINK (klass);
GstBaseAudioSinkClass *base_audio_sink_class = GST_BASE_AUDIO_SINK_CLASS (klass);
% set-methods
base_audio_sink_class-> = GST_DEBUG_FUNCPTR (gst_replace_);
base_audio_sink_class->create_ringbuffer = GST_DEBUG_FUNCPTR (gst_replace_create_ringbuffer);
% methods
static GstRingBuffer *
gst_replace_create_ringbuffer (GstBaseAudioSink * sink)
{
return NULL;
}
% end

7
tools/gstbaseaudiosrc.c
View file

@ -2,6 +2,8 @@
GstBaseAudioSrc
% TYPE_CLASS_NAME
GST_TYPE_BASE_AUDIO_SRC
% pads
srcpad-simple
% pkg-config
gstreamer-audio-0.10
% includes
@ -9,14 +11,15 @@ gstreamer-audio-0.10
% prototypes
static GstRingBuffer *gst_replace_create_ringbuffer (GstBaseAudioSrc * src);
% declare-class
GstBaseAudioSrc *base_audio_src_class = GST_BASE_AUDIO_SRC (klass);
GstBaseAudioSrcClass *base_audio_src_class = GST_BASE_AUDIO_SRC_CLASS (klass);
% set-methods
base_audio_src_class-> = GST_DEBUG_FUNCPTR (gst_replace_);
base_audio_src_class->create_ringbuffer = GST_DEBUG_FUNCPTR (gst_replace_create_ringbuffer);
% methods
static GstRingBuffer *
gst_replace_create_ringbuffer (GstBaseAudioSrc * src)
{
return NULL;
}
% end

2
tools/gstbasertpdepayload.c
View file

@ -2,6 +2,8 @@
GstBaseRTPDepayload
% TYPE_CLASS_NAME
GST_TYPE_BASE_RTP_DEPAYLOAD
% pads
sinkpad-simple srcpad-simple
% pkg-config
gstreamer-rtp-0.10
% includes

2
tools/gstbasertppayload.c
View file

@ -2,6 +2,8 @@
GstBaseRTPPayload
% TYPE_CLASS_NAME
GST_TYPE_BASE_RTP_PAYLOAD
% pads
sinkpad-simple srcpad-simple
% pkg-config
gstreamer-rtp-0.10
% includes

2
tools/gstbasesink.c
View file

@ -2,6 +2,8 @@
GstBaseSink
% TYPE_CLASS_NAME
GST_TYPE_BASE_SINK
% pads
sinkpad-simple
% pkg-config
gstreamer-base-0.10
% includes

2
tools/gstbasesrc.c
View file

@ -2,6 +2,8 @@
GstBaseSrc
% TYPE_CLASS_NAME
GST_TYPE_BASE_SRC
% pads
srcpad-simple
% pkg-config
gstreamer-base-0.10
% includes

4
tools/gstbasetransform.c
View file

@ -2,8 +2,12 @@
GstBaseTransform
% TYPE_CLASS_NAME
GST_TYPE_BASE_TRANSFORM
% pads
sinkpad-simple srcpad-simple
% pkg-config
gstreamer-base-0.10
% pads
sinkpad-simple srcpad-simple
% includes
#include <gst/base/gstbasetransform.h>
% prototypes

2
tools/gstcddabasesrc.c
View file

@ -2,6 +2,8 @@
GstCddaBaseSrc
% TYPE_CLASS_NAME
GST_TYPE_CDDA_BASE_SRC
% pads
srcpad-simple
% pkg-config
gstreamer-cdda-0.10
% includes

68
tools/gstelement.c
View file

@ -2,6 +2,8 @@
GstElement
% TYPE_CLASS_NAME
GST_TYPE_ELEMENT
% pads
sinkpad srcpad
% pkg-config
gstreamer-0.10
% includes
@ -11,35 +13,24 @@ static GstPad *gst_replace_request_new_pad (GstElement * element,
GstPadTemplate * templ, const gchar * name);
static void gst_replace_release_pad (GstElement * element, GstPad * pad);
static GstStateChangeReturn
gst_replace_get_state (GstElement * element, GstState * state,
GstState * pending, GstClockTime timeout);
static GstStateChangeReturn
gst_replace_set_state (GstElement * element, GstState state);
static GstStateChangeReturn
gst_replace_change_state (GstElement * element, GstStateChange transition);
static void gst_replace_set_bus (GstElement * element, GstBus * bus);
static GstClock *gst_replace_provide_clock (GstElement * element);
static gboolean gst_replace_set_clock (GstElement * element, GstClock * clock);
static GstIndex *gst_replace_get_index (GstElement * element);
static void gst_replace_set_index (GstElement * element, GstIndex * index);
static gboolean gst_replace_send_event (GstElement * element, GstEvent * event);
static const GstQueryType *gst_replace_get_query_types (GstElement * element);
static gboolean gst_replace_query (GstElement * element, GstQuery * query);
% declare-class
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
% set-methods
element_class->request_new_pad = GST_DEBUG_FUNCPTR (gst_replace_request_new_pad);
element_class->release_pad = GST_DEBUG_FUNCPTR (gst_replace_release_pad);
element_class->get_state = GST_DEBUG_FUNCPTR (gst_replace_get_state);
element_class->set_state = GST_DEBUG_FUNCPTR (gst_replace_set_state);
element_class->change_state = GST_DEBUG_FUNCPTR (gst_replace_change_state);
element_class->set_bus = GST_DEBUG_FUNCPTR (gst_replace_set_bus);
element_class->provide_clock = GST_DEBUG_FUNCPTR (gst_replace_provide_clock);
element_class->set_clock = GST_DEBUG_FUNCPTR (gst_replace_set_clock);
element_class->get_index = GST_DEBUG_FUNCPTR (gst_replace_get_index);
element_class->set_index = GST_DEBUG_FUNCPTR (gst_replace_set_index);
element_class->send_event = GST_DEBUG_FUNCPTR (gst_replace_send_event);
element_class->get_query_types = GST_DEBUG_FUNCPTR (gst_replace_get_query_types);
element_class->query = GST_DEBUG_FUNCPTR (gst_replace_query);
% methods
@ -58,32 +49,40 @@ gst_replace_release_pad (GstElement * element, GstPad * pad)
}
static GstStateChangeReturn
gst_replace_get_state (GstElement * element, GstState * state,
GstState * pending, GstClockTime timeout)
{
return GST_STATE_CHANGE_SUCCESS;
}
static GstStateChangeReturn
gst_replace_set_state (GstElement * element, GstState state)
{
return GST_STATE_CHANGE_SUCCESS;
}
static GstStateChangeReturn
gst_replace_change_state (GstElement * element, GstStateChange transition)
{
GstReplace *replace;
GstStateChangeReturn ret;
return GST_STATE_CHANGE_SUCCESS;
}
g_return_val_if_fail (GST_IS_REPLACE (element), GST_STATE_CHANGE_FAILURE);
replace = GST_REPLACE (element);
static void
gst_replace_set_bus (GstElement * element, GstBus * bus)
{
switch (transition) {
case GST_STATE_CHANGE_NULL_TO_READY:
break;
case GST_STATE_CHANGE_READY_TO_PAUSED:
break;
case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
break;
default:
break;
}
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
switch (transition) {
case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
break;
case GST_STATE_CHANGE_PAUSED_TO_READY:
break;
case GST_STATE_CHANGE_READY_TO_NULL:
break;
default:
break;
}
return ret;
}
static GstClock *
@ -120,13 +119,6 @@ gst_replace_send_event (GstElement * element, GstEvent * event)
return TRUE;
}
static const GstQueryType *
gst_replace_get_query_types (GstElement * element)
{
return NULL;
}
static gboolean
gst_replace_query (GstElement * element, GstQuery * query)
{

7
tools/gstpushsrc.c
View file

@ -2,6 +2,8 @@
GstPushSrc
% TYPE_CLASS_NAME
GST_TYPE_PUSH_SRC
% pads
srcpad-simple
% pkg-config
gstreamer-base-0.10
% includes
@ -9,14 +11,15 @@ gstreamer-base-0.10
% prototypes
static GstFlowReturn gst_replace_create (GstPushSrc * src, GstBuffer ** buf);
% declare-class
GstPushSrc *pushsrc_class = GST_PUSHSRC (klass);
GstPushSrcClass *pushsrc_class = GST_PUSH_SRC_CLASS (klass);
% set-methods
pushsrc_class-> = GST_DEBUG_FUNCPTR (gst_replace_);
pushsrc_class->create = GST_DEBUG_FUNCPTR (gst_replace_create);
% methods
static GstFlowReturn
gst_replace_create (GstPushSrc * src, GstBuffer ** buf)
{
return GST_FLOW_OK;
}
% end

2
tools/gsttagdemux.c
View file

@ -2,6 +2,8 @@
GstTagDemux
% TYPE_CLASS_NAME
GST_TYPE_TAG_DEMUX
% pads
sinkpad-simple srcpad-simple
% pkg-config
gstreamer-tag-0.10
% includes

2
tools/gstvideosink.c
View file

@ -2,6 +2,8 @@
GstVideoSink
% TYPE_CLASS_NAME
GST_TYPE_VIDEO_SINK
% pads
sinkpad-simple
% pkg-config
gstreamer-video-0.10
% includes

23
tools/sinkpad-simple.c Normal file
View file

@ -0,0 +1,23 @@
% instance-members
GstPad *sinkpad;
% prototypes
% pad-template
static GstStaticPadTemplate gst_replace_sink_template =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("application/unknown")
);
% base-init
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_replace_sink_template));
% instance-init
replace->sinkpad = gst_pad_new_from_static_template (&gst_replace_sink_template
,
"sink");
% methods
% end

311
tools/sinkpad.c Normal file
View file

@ -0,0 +1,311 @@
% instance-members
GstPad *sinkpad;
% prototypes
static GstCaps* gst_replace_sink_getcaps (GstPad *pad);
static gboolean gst_replace_sink_setcaps (GstPad *pad, GstCaps *caps);
static gboolean gst_replace_sink_acceptcaps (GstPad *pad, GstCaps *caps);
static void gst_replace_sink_fixatecaps (GstPad *pad, GstCaps *caps);
static gboolean gst_replace_sink_activate (GstPad *pad);
static gboolean gst_replace_sink_activatepush (GstPad *pad, gboolean active);
static gboolean gst_replace_sink_activatepull (GstPad *pad, gboolean active);
static GstPadLinkReturn gst_replace_sink_link (GstPad *pad, GstPad *peer);
static void gst_replace_sink_unlink (GstPad *pad);
static GstFlowReturn gst_replace_sink_chain (GstPad *pad, GstBuffer *buffer);
static GstFlowReturn gst_replace_sink_chainlist (GstPad *pad, GstBufferList *bufferlist);
static gboolean gst_replace_sink_event (GstPad *pad, GstEvent *event);
static gboolean gst_replace_sink_query (GstPad *pad, GstQuery *query);
static GstFlowReturn gst_replace_sink_bufferalloc (GstPad *pad, guint64 offset, guint size,
GstCaps *caps, GstBuffer **buf);
static GstIterator * gst_replace_sink_iterintlink (GstPad *pad);
% pad-template
static GstStaticPadTemplate gst_replace_sink_template =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("application/unknown")
);
% base-init
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_replace_sink_template));
% instance-init
replace->sinkpad = gst_pad_new_from_static_template (&gst_replace_sink_template
,
"sink");
gst_pad_set_getcaps_function (replace->sinkpad,
GST_DEBUG_FUNCPTR(gst_replace_sink_getcaps));
gst_pad_set_setcaps_function (replace->sinkpad,
GST_DEBUG_FUNCPTR(gst_replace_sink_setcaps));
gst_pad_set_acceptcaps_function (replace->sinkpad,
GST_DEBUG_FUNCPTR(gst_replace_sink_acceptcaps));
gst_pad_set_fixatecaps_function (replace->sinkpad,
GST_DEBUG_FUNCPTR(gst_replace_sink_fixatecaps));
gst_pad_set_activate_function (replace->sinkpad,
GST_DEBUG_FUNCPTR(gst_replace_sink_activate));
gst_pad_set_activatepush_function (replace->sinkpad,
GST_DEBUG_FUNCPTR(gst_replace_sink_activatepush));
gst_pad_set_activatepull_function (replace->sinkpad,
GST_DEBUG_FUNCPTR(gst_replace_sink_activatepull));
gst_pad_set_link_function (replace->sinkpad,
GST_DEBUG_FUNCPTR(gst_replace_sink_link));
gst_pad_set_unlink_function (replace->sinkpad,
GST_DEBUG_FUNCPTR(gst_replace_sink_unlink));
gst_pad_set_chain_function (replace->sinkpad,
GST_DEBUG_FUNCPTR(gst_replace_sink_chain));
gst_pad_set_chain_list_function (replace->sinkpad,
GST_DEBUG_FUNCPTR(gst_replace_sink_chainlist));
gst_pad_set_event_function (replace->sinkpad,
GST_DEBUG_FUNCPTR(gst_replace_sink_event));
gst_pad_set_query_function (replace->sinkpad,
GST_DEBUG_FUNCPTR(gst_replace_sink_query));
gst_pad_set_bufferalloc_function (replace->sinkpad,
GST_DEBUG_FUNCPTR(gst_replace_sink_bufferalloc));
gst_pad_set_iterate_internal_links_function (replace->sinkpad,
GST_DEBUG_FUNCPTR(gst_replace_sink_iterintlink));
gst_element_add_pad (GST_ELEMENT(replace), replace->sinkpad);
% methods
static GstCaps*
gst_replace_sink_getcaps (GstPad *pad)
{
GstReplace *replace;
GstCaps *caps;
replace = GST_REPLACE (gst_pad_get_parent (pad));
GST_DEBUG_OBJECT(replace, "getcaps");
caps = gst_caps_copy (gst_pad_get_pad_template_caps (pad));
gst_object_unref (replace);
return caps;
}
static gboolean
gst_replace_sink_setcaps (GstPad *pad, GstCaps *caps)
{
GstReplace *replace;
replace = GST_REPLACE (gst_pad_get_parent (pad));
GST_DEBUG_OBJECT(replace, "setcaps");
gst_object_unref (replace);
return TRUE;
}
static gboolean
gst_replace_sink_acceptcaps (GstPad *pad, GstCaps *caps)
{
GstReplace *replace;
replace = GST_REPLACE (gst_pad_get_parent (pad));
GST_DEBUG_OBJECT(replace, "acceptcaps");
gst_object_unref (replace);
return TRUE;
}
static void
gst_replace_sink_fixatecaps (GstPad *pad, GstCaps *caps)
{
GstReplace *replace;
replace = GST_REPLACE (gst_pad_get_parent (pad));
GST_DEBUG_OBJECT(replace, "fixatecaps");
gst_object_unref (replace);
}
static gboolean
gst_replace_sink_activate (GstPad *pad)
{
GstReplace *replace;
gboolean ret;
replace = GST_REPLACE (gst_pad_get_parent (pad));
GST_DEBUG_OBJECT(replace, "activate");
if (gst_pad_check_pull_range (pad)) {
GST_DEBUG_OBJECT (pad, "activating pull");
ret = gst_pad_activate_pull (pad, TRUE);
} else {
GST_DEBUG_OBJECT (pad, "activating push");
ret = gst_pad_activate_push (pad, TRUE);
}
gst_object_unref (replace);
return ret;
}
static gboolean
gst_replace_sink_activatepush (GstPad *pad, gboolean active)
{
GstReplace *replace;
replace = GST_REPLACE (gst_pad_get_parent (pad));
GST_DEBUG_OBJECT(replace, "activatepush");
gst_object_unref (replace);
return TRUE;
}
static gboolean
gst_replace_sink_activatepull (GstPad *pad, gboolean active)
{
GstReplace *replace;
replace = GST_REPLACE (gst_pad_get_parent (pad));
GST_DEBUG_OBJECT(replace, "activatepull");
gst_object_unref (replace);
return TRUE;
}
static GstPadLinkReturn
gst_replace_sink_link (GstPad *pad, GstPad *peer)
{
GstReplace *replace;
replace = GST_REPLACE (gst_pad_get_parent (pad));
GST_DEBUG_OBJECT(replace, "link");
gst_object_unref (replace);
return GST_PAD_LINK_OK;
}
static void
gst_replace_sink_unlink (GstPad *pad)
{
GstReplace *replace;
replace = GST_REPLACE (gst_pad_get_parent (pad));
GST_DEBUG_OBJECT(replace, "unlink");
gst_object_unref (replace);
}
static GstFlowReturn
gst_replace_sink_chain (GstPad *pad, GstBuffer *buffer)
{
GstReplace *replace;
replace = GST_REPLACE (gst_pad_get_parent (pad));
GST_DEBUG_OBJECT(replace, "chain");
gst_object_unref (replace);
return GST_FLOW_OK;
}
static GstFlowReturn
gst_replace_sink_chainlist (GstPad *pad, GstBufferList *bufferlist)
{
GstReplace *replace;
replace = GST_REPLACE (gst_pad_get_parent (pad));
GST_DEBUG_OBJECT(replace, "chainlist");
gst_object_unref (replace);
return GST_FLOW_OK;
}
static gboolean
gst_replace_sink_event (GstPad *pad, GstEvent *event)
{
gboolean res;
GstReplace *replace;
replace = GST_REPLACE (gst_pad_get_parent (pad));
GST_DEBUG_OBJECT(replace, "event");
switch (GST_EVENT_TYPE (event)) {
default:
res = gst_pad_event_default (pad, event);
break;
}
gst_object_unref (replace);
return res;
}
static gboolean
gst_replace_sink_query (GstPad *pad, GstQuery *query)
{
gboolean res;
GstReplace *replace;
replace = GST_REPLACE (gst_pad_get_parent (pad));
GST_DEBUG_OBJECT(replace, "query");
switch (GST_QUERY_TYPE(query)) {
default:
res = gst_pad_query_default (pad, query);
break;
}
gst_object_unref (replace);
return res;
}
static GstFlowReturn
gst_replace_sink_bufferalloc (GstPad *pad, guint64 offset, guint size,
GstCaps *caps, GstBuffer **buf)
{
GstReplace *replace;
replace = GST_REPLACE (gst_pad_get_parent (pad));
GST_DEBUG_OBJECT(replace, "bufferalloc");
*buf = gst_buffer_new_and_alloc (size);
gst_buffer_set_caps (*buf, caps);
gst_object_unref (replace);
return GST_FLOW_OK;
}
static GstIterator *
gst_replace_sink_iterintlink (GstPad *pad)
{
GstReplace *replace;
GstIterator *iter;
replace = GST_REPLACE (gst_pad_get_parent (pad));
GST_DEBUG_OBJECT(replace, "iterintlink");
iter = gst_pad_iterate_internal_links_default (pad);
gst_object_unref (replace);
return iter;
}
% end

23
tools/srcpad-simple.c Normal file
View file

@ -0,0 +1,23 @@
% instance-members
GstPad *srcpad;
% prototypes
% pad-template
static GstStaticPadTemplate gst_replace_src_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("application/unknown")
);
% base-init
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_replace_src_template));
% instance-init
replace->srcpad = gst_pad_new_from_static_template (&gst_replace_src_template
,
"src");
% methods
% end

274
tools/srcpad.c Normal file
View file

@ -0,0 +1,274 @@
% instance-members
GstPad *srcpad;
% prototypes
static GstCaps* gst_replace_src_getcaps (GstPad *pad);
static gboolean gst_replace_src_setcaps (GstPad *pad, GstCaps *caps);
static gboolean gst_replace_src_acceptcaps (GstPad *pad, GstCaps *caps);
static void gst_replace_src_fixatecaps (GstPad *pad, GstCaps *caps);
static gboolean gst_replace_src_activate (GstPad *pad);
static gboolean gst_replace_src_activatepush (GstPad *pad, gboolean active);
static gboolean gst_replace_src_activatepull (GstPad *pad, gboolean active);
static GstPadLinkReturn gst_replace_src_link (GstPad *pad, GstPad *peer);
static void gst_replace_src_unlink (GstPad *pad);
static GstFlowReturn gst_replace_src_getrange (GstPad *pad, guint64 offset, guint length,
GstBuffer **buffer);
static gboolean gst_replace_src_event (GstPad *pad, GstEvent *event);
static gboolean gst_replace_src_query (GstPad *pad, GstQuery *query);
static GstIterator * gst_replace_src_iterintlink (GstPad *pad);
% pad-template
static GstStaticPadTemplate gst_replace_src_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("application/unknown")
);
% base-init
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_replace_src_template));
% instance-init
replace->srcpad = gst_pad_new_from_static_template (&gst_replace_src_template
,
"src");
gst_pad_set_getcaps_function (replace->srcpad,
GST_DEBUG_FUNCPTR(gst_replace_src_getcaps));
gst_pad_set_setcaps_function (replace->srcpad,
GST_DEBUG_FUNCPTR(gst_replace_src_setcaps));
gst_pad_set_acceptcaps_function (replace->srcpad,
GST_DEBUG_FUNCPTR(gst_replace_src_acceptcaps));
gst_pad_set_fixatecaps_function (replace->srcpad,
GST_DEBUG_FUNCPTR(gst_replace_src_fixatecaps));
gst_pad_set_activate_function (replace->srcpad,
GST_DEBUG_FUNCPTR(gst_replace_src_activate));
gst_pad_set_activatepush_function (replace->srcpad,
GST_DEBUG_FUNCPTR(gst_replace_src_activatepush));
gst_pad_set_activatepull_function (replace->srcpad,
GST_DEBUG_FUNCPTR(gst_replace_src_activatepull));
gst_pad_set_link_function (replace->srcpad,
GST_DEBUG_FUNCPTR(gst_replace_src_link));
gst_pad_set_unlink_function (replace->srcpad,
GST_DEBUG_FUNCPTR(gst_replace_src_unlink));
gst_pad_set_getrange_function (replace->srcpad,
GST_DEBUG_FUNCPTR(gst_replace_src_getrange));
gst_pad_set_event_function (replace->srcpad,
GST_DEBUG_FUNCPTR(gst_replace_src_event));
gst_pad_set_query_function (replace->srcpad,
GST_DEBUG_FUNCPTR(gst_replace_src_query));
gst_pad_set_iterate_internal_links_function (replace->srcpad,
GST_DEBUG_FUNCPTR(gst_replace_src_iterintlink));
gst_element_add_pad (GST_ELEMENT(replace), replace->srcpad);
% methods
static GstCaps*
gst_replace_src_getcaps (GstPad *pad)
{
GstReplace *replace;
GstCaps *caps;
replace = GST_REPLACE (gst_pad_get_parent (pad));
GST_DEBUG_OBJECT(replace, "getcaps");
caps = gst_caps_copy (gst_pad_get_pad_template_caps (pad));
gst_object_unref (replace);
return caps;
}
static gboolean
gst_replace_src_setcaps (GstPad *pad, GstCaps *caps)
{
GstReplace *replace;
replace = GST_REPLACE (gst_pad_get_parent (pad));
GST_DEBUG_OBJECT(replace, "setcaps");
gst_object_unref (replace);
return TRUE;
}
static gboolean
gst_replace_src_acceptcaps (GstPad *pad, GstCaps *caps)
{
GstReplace *replace;
replace = GST_REPLACE (gst_pad_get_parent (pad));
GST_DEBUG_OBJECT(replace, "acceptcaps");
gst_object_unref (replace);
return TRUE;
}
static void
gst_replace_src_fixatecaps (GstPad *pad, GstCaps *caps)
{
GstReplace *replace;
replace = GST_REPLACE (gst_pad_get_parent (pad));
GST_DEBUG_OBJECT(replace, "fixatecaps");
gst_object_unref (replace);
}
static gboolean
gst_replace_src_activate (GstPad *pad)
{
GstReplace *replace;
gboolean ret;
replace = GST_REPLACE (gst_pad_get_parent (pad));
GST_DEBUG_OBJECT(replace, "activate");
if (gst_pad_check_pull_range (pad)) {
GST_DEBUG_OBJECT (pad, "activating pull");
ret = gst_pad_activate_pull (pad, TRUE);
} else {
GST_DEBUG_OBJECT (pad, "activating push");
ret = gst_pad_activate_push (pad, TRUE);
}
gst_object_unref (replace);
return ret;
}
static gboolean
gst_replace_src_activatepush (GstPad *pad, gboolean active)
{
GstReplace *replace;
replace = GST_REPLACE (gst_pad_get_parent (pad));
GST_DEBUG_OBJECT(replace, "activatepush");
gst_object_unref (replace);
return TRUE;
}
static gboolean
gst_replace_src_activatepull (GstPad *pad, gboolean active)
{
GstReplace *replace;
replace = GST_REPLACE (gst_pad_get_parent (pad));
GST_DEBUG_OBJECT(replace, "activatepull");
gst_object_unref (replace);
return TRUE;
}
static GstPadLinkReturn
gst_replace_src_link (GstPad *pad, GstPad *peer)
{
GstReplace *replace;
replace = GST_REPLACE (gst_pad_get_parent (pad));
GST_DEBUG_OBJECT(replace, "link");
gst_object_unref (replace);
return GST_PAD_LINK_OK;
}
static void
gst_replace_src_unlink (GstPad *pad)
{
GstReplace *replace;
replace = GST_REPLACE (gst_pad_get_parent (pad));
GST_DEBUG_OBJECT(replace, "unlink");
gst_object_unref (replace);
}
static GstFlowReturn
gst_replace_src_getrange (GstPad *pad, guint64 offset, guint length,
GstBuffer **buffer)
{
GstReplace *replace;
replace = GST_REPLACE (gst_pad_get_parent (pad));
GST_DEBUG_OBJECT(replace, "getrange");
gst_object_unref (replace);
return GST_FLOW_OK;
}
static gboolean
gst_replace_src_event (GstPad *pad, GstEvent *event)
{
gboolean res;
GstReplace *replace;
replace = GST_REPLACE (gst_pad_get_parent (pad));
GST_DEBUG_OBJECT(replace, "event");
switch (GST_EVENT_TYPE (event)) {
default:
res = gst_pad_event_default (pad, event);
break;
}
gst_object_unref (replace);
return res;
}
static gboolean
gst_replace_src_query (GstPad *pad, GstQuery *query)
{
gboolean res;
GstReplace *replace;
replace = GST_REPLACE (gst_pad_get_parent (pad));
GST_DEBUG_OBJECT(replace, "query");
switch (GST_QUERY_TYPE(query)) {
default:
res = gst_pad_query_default (pad, query);
break;
}
gst_object_unref (replace);
return res;
}
static GstIterator *
gst_replace_src_iterintlink (GstPad *pad)
{
GstReplace *replace;
GstIterator *iter;
replace = GST_REPLACE (gst_pad_get_parent (pad));
GST_DEBUG_OBJECT(replace, "iterintlink");
iter = gst_pad_iterate_internal_links_default (pad);
gst_object_unref (replace);
return iter;
}
% end