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-base: use caps event instead of setcapsfunction

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This commit is contained in:
Wim Taymans 2011-06-07 10:58:27 +02:00
parent c88ee10c9b
commit beb864bd93
5 changed files with 60 additions and 57 deletions
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23
gst/adder/gstadder.c
View file

@ -125,7 +125,8 @@ static void gst_adder_set_property (GObject * object, guint prop_id,
static void gst_adder_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static gboolean gst_adder_setcaps (GstPad * pad, GstCaps * caps);
static gboolean gst_adder_setcaps (GstAdder * adder, GstPad * pad,
GstCaps * caps);
static gboolean gst_adder_query (GstPad * pad, GstQuery * query);
static gboolean gst_adder_src_event (GstPad * pad, GstEvent * event);
static gboolean gst_adder_sink_event (GstPad * pad, GstEvent * event);
@ -246,9 +247,8 @@ setcapsfunc (const GValue * item, IterData * data)
* the other sinkpads because we can only mix streams with the same caps.
*/
static gboolean
gst_adder_setcaps (GstPad * pad, GstCaps * caps)
gst_adder_setcaps (GstAdder * adder, GstPad * pad, GstCaps * caps)
{
GstAdder *adder;
GstStructure *structure;
const char *media_type;
GstIterator *it;
@ -256,9 +256,7 @@ gst_adder_setcaps (GstPad * pad, GstCaps * caps)
IterData idata;
gboolean done;
adder = GST_ADDER (GST_PAD_PARENT (pad));
GST_LOG_OBJECT (adder, "setting caps on pad %p,%s to %" GST_PTR_FORMAT, pad,
GST_LOG_OBJECT (adder, "setting caps pad %p,%s to %" GST_PTR_FORMAT, pad,
GST_PAD_NAME (pad), caps);
it = gst_element_iterate_pads (GST_ELEMENT_CAST (adder));
@ -786,6 +784,16 @@ gst_adder_sink_event (GstPad * pad, GstEvent * event)
GST_DEBUG_PAD_NAME (pad));
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_CAPS:
{
GstCaps *caps;
gst_event_parse_caps (event, &caps);
ret = gst_adder_setcaps (adder, pad, caps);
gst_event_unref (event);
goto beach;
}
case GST_EVENT_FLUSH_STOP:
/* we received a flush-stop. The collect_event function will push the
* event past our element. We simply forward all flush-stop events, even
@ -871,8 +879,6 @@ gst_adder_init (GstAdder * adder)
gst_pad_set_getcaps_function (adder->srcpad,
GST_DEBUG_FUNCPTR (gst_pad_proxy_getcaps));
gst_pad_set_setcaps_function (adder->srcpad,
GST_DEBUG_FUNCPTR (gst_adder_setcaps));
gst_pad_set_query_function (adder->srcpad,
GST_DEBUG_FUNCPTR (gst_adder_query));
gst_pad_set_event_function (adder->srcpad,
@ -993,7 +999,6 @@ gst_adder_request_new_pad (GstElement * element, GstPadTemplate * templ,
gst_pad_set_getcaps_function (newpad,
GST_DEBUG_FUNCPTR (gst_adder_sink_getcaps));
gst_pad_set_setcaps_function (newpad, GST_DEBUG_FUNCPTR (gst_adder_setcaps));
gst_collect_pads_add_pad (adder->collect, newpad, sizeof (GstCollectData));
/* FIXME: hacked way to override/extend the event function of

35
gst/audiorate/gstaudiorate.c
View file

@ -206,16 +206,11 @@ gst_audio_rate_reset (GstAudioRate * audiorate)
}
static gboolean
gst_audio_rate_setcaps (GstPad * pad, GstCaps * caps)
gst_audio_rate_setcaps (GstAudioRate * audiorate, GstCaps * caps)
{
GstAudioRate *audiorate;
GstStructure *structure;
GstPad *otherpad;
gboolean ret = FALSE;
gint channels, width, rate;
audiorate = GST_AUDIO_RATE (gst_pad_get_parent (pad));
structure = gst_caps_get_structure (caps, 0);
if (!gst_structure_get_int (structure, "channels", &channels))
@ -231,26 +226,18 @@ gst_audio_rate_setcaps (GstPad * pad, GstCaps * caps)
audiorate->rate = rate;
/* the format is correct, configure caps on other pad */
otherpad = (pad == audiorate->srcpad) ? audiorate->sinkpad :
audiorate->srcpad;
ret = gst_pad_set_caps (otherpad, caps);
done:
gst_object_unref (audiorate);
return ret;
return TRUE;
/* ERRORS */
wrong_caps:
{
GST_DEBUG_OBJECT (audiorate, "could not get channels/width from caps");
goto done;
return FALSE;
}
wrong_format:
{
GST_DEBUG_OBJECT (audiorate, "bytes_per_samples gave 0");
goto done;
return FALSE;
}
}
@ -261,14 +248,12 @@ gst_audio_rate_init (GstAudioRate * audiorate)
gst_pad_new_from_static_template (&gst_audio_rate_sink_template, "sink");
gst_pad_set_event_function (audiorate->sinkpad, gst_audio_rate_sink_event);
gst_pad_set_chain_function (audiorate->sinkpad, gst_audio_rate_chain);
gst_pad_set_setcaps_function (audiorate->sinkpad, gst_audio_rate_setcaps);
gst_pad_set_getcaps_function (audiorate->sinkpad, gst_pad_proxy_getcaps);
gst_element_add_pad (GST_ELEMENT (audiorate), audiorate->sinkpad);
audiorate->srcpad =
gst_pad_new_from_static_template (&gst_audio_rate_src_template, "src");
gst_pad_set_event_function (audiorate->srcpad, gst_audio_rate_src_event);
gst_pad_set_setcaps_function (audiorate->srcpad, gst_audio_rate_setcaps);
gst_pad_set_getcaps_function (audiorate->srcpad, gst_pad_proxy_getcaps);
gst_element_add_pad (GST_ELEMENT (audiorate), audiorate->srcpad);
@ -309,6 +294,18 @@ gst_audio_rate_sink_event (GstPad * pad, GstEvent * event)
audiorate = GST_AUDIO_RATE (gst_pad_get_parent (pad));
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_CAPS:
{
GstCaps *caps;
gst_event_parse_caps (event, &caps);
if ((res = gst_audio_rate_setcaps (audiorate, caps))) {
res = gst_pad_push_event (audiorate->srcpad, event);
} else {
gst_event_unref (event);
}
break;
}
case GST_EVENT_FLUSH_STOP:
GST_DEBUG_OBJECT (audiorate, "handling FLUSH_STOP");
gst_audio_rate_reset (audiorate);

25
gst/encoding/gststreamcombiner.c
View file

@ -122,7 +122,7 @@ gst_stream_combiner_sink_event (GstPad * pad, GstEvent * event)
break;
}
/* NEW_SEGMENT : lock, wait for other stream to EOS, select stream, unlock, push */
/* SEGMENT : lock, wait for other stream to EOS, select stream, unlock, push */
/* EOS : lock, mark pad as unused, unlock , drop event */
/* CUSTOM_REAL_EOS : push EOS downstream */
/* FLUSH_START : lock, mark as flushing, unlock. if wasn't flushing forward */
@ -140,26 +140,6 @@ gst_stream_combiner_sink_getcaps (GstPad * pad, GstCaps * filter)
return gst_pad_peer_get_caps (stream_combiner->srcpad, filter);
}
static gboolean
gst_stream_combiner_sink_setcaps (GstPad * pad, GstCaps * caps)
{
GstStreamCombiner *stream_combiner =
(GstStreamCombiner *) GST_PAD_PARENT (pad);
GstPad *peer;
gboolean res = FALSE;
GST_DEBUG_OBJECT (pad, "caps:%" GST_PTR_FORMAT, caps);
peer = gst_pad_get_peer (stream_combiner->srcpad);
if (peer) {
GST_DEBUG_OBJECT (peer, "Setting caps");
res = gst_pad_set_caps (peer, caps);
gst_object_unref (peer);
} else
GST_WARNING_OBJECT (stream_combiner, "sourcepad has no peer !");
return res;
}
static gboolean
gst_stream_combiner_src_event (GstPad * pad, GstEvent * event)
{
@ -225,12 +205,9 @@ gst_stream_combiner_request_new_pad (GstElement * element,
GST_DEBUG_OBJECT (element, "templ:%p, name:%s", templ, name);
sinkpad = gst_pad_new_from_static_template (&sink_template, name);
/* FIXME : No buffer alloc for the time being, it will resort to the fallback */
/* gst_pad_set_bufferalloc_function (sinkpad, gst_stream_combiner_buffer_alloc); */
gst_pad_set_chain_function (sinkpad, gst_stream_combiner_chain);
gst_pad_set_event_function (sinkpad, gst_stream_combiner_sink_event);
gst_pad_set_getcaps_function (sinkpad, gst_stream_combiner_sink_getcaps);
gst_pad_set_setcaps_function (sinkpad, gst_stream_combiner_sink_setcaps);
STREAMS_LOCK (stream_combiner);
stream_combiner->sinkpads =

14
gst/encoding/gststreamsplitter.c
View file

@ -43,6 +43,8 @@ G_DEFINE_TYPE (GstStreamSplitter, gst_stream_splitter, GST_TYPE_ELEMENT);
static void gst_stream_splitter_dispose (GObject * object);
static gboolean gst_stream_splitter_sink_setcaps (GstPad * pad, GstCaps * caps);
static GstPad *gst_stream_splitter_request_new_pad (GstElement * element,
GstPadTemplate * templ, const gchar * name, const GstCaps * caps);
static void gst_stream_splitter_release_pad (GstElement * element,
@ -156,6 +158,16 @@ gst_stream_splitter_sink_event (GstPad * pad, GstEvent * event)
GST_EVENT_TYPE_NAME (event));
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_CAPS:
{
GstCaps *caps;
gst_event_parse_caps (event, &caps);
res = gst_stream_splitter_sink_setcaps (pad, caps);
store = TRUE;
break;
}
case GST_EVENT_FLUSH_STOP:
flushpending = TRUE;
toall = TRUE;
@ -378,8 +390,6 @@ gst_stream_splitter_init (GstStreamSplitter * stream_splitter)
gst_stream_splitter_sink_event);
gst_pad_set_getcaps_function (stream_splitter->sinkpad,
gst_stream_splitter_sink_getcaps);
gst_pad_set_setcaps_function (stream_splitter->sinkpad,
gst_stream_splitter_sink_setcaps);
gst_element_add_pad (GST_ELEMENT (stream_splitter), stream_splitter->sinkpad);
stream_splitter->lock = g_mutex_new ();

20
gst/subparse/gstssaparse.c
View file

@ -69,8 +69,6 @@ static void
gst_ssa_parse_init (GstSsaParse * parse)
{
parse->sinkpad = gst_pad_new_from_static_template (&sink_templ, "sink");
gst_pad_set_setcaps_function (parse->sinkpad,
GST_DEBUG_FUNCPTR (gst_ssa_parse_setcaps));
gst_pad_set_chain_function (parse->sinkpad,
GST_DEBUG_FUNCPTR (gst_ssa_parse_chain));
gst_pad_set_event_function (parse->sinkpad,
@ -122,7 +120,23 @@ gst_ssa_parse_src_event (GstPad * pad, GstEvent * event)
static gboolean
gst_ssa_parse_sink_event (GstPad * pad, GstEvent * event)
{
return gst_pad_event_default (pad, event);
gboolean res;
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_CAPS:
{
GstCaps *caps;
gst_event_parse_caps (event, &caps);
res = gst_ssa_parse_setcaps (pad, caps);
gst_event_unref (event);
break;
}
default:
res = gst_pad_event_default (pad, event);
break;
}
return res;
}
static gboolean