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updated autoplugcache so it can be removed mid-signal, now autoplugtest works

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Original commit message from CVS:
updated autoplugcache so it can be removed mid-signal, now autoplugtest works
This commit is contained in:
Erik Walthinsen 2001-05-07 21:46:15 +00:00
parent 5bb3603feb
commit aec5a57022
4 changed files with 37 additions and 6 deletions
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27
gst/autoplug/autoplugtest.c
View file

@ -2,6 +2,26 @@
GstElement *pipeline, *src, *autobin, *cache, *typefind, *decoder, *sink;
void cache_empty(GstElement *element, gpointer private) {
fprintf(stderr,"have cache empty\n");
gst_element_set_state (pipeline, GST_STATE_PAUSED);
gst_element_disconnect(src,"src",cache,"sink");
gst_schedule_show (GST_ELEMENT_SCHED(pipeline));
gst_element_disconnect(cache,"src",decoder,"sink");
gst_schedule_show (GST_ELEMENT_SCHED(pipeline));
gst_bin_remove (GST_BIN(autobin), cache);
gst_schedule_show (GST_ELEMENT_SCHED(pipeline));
gst_element_connect(src,"src",decoder,"sink");
gst_schedule_show (GST_ELEMENT_SCHED(pipeline));
gst_element_set_state (pipeline, GST_STATE_PLAYING);
gst_schedule_show (GST_ELEMENT_SCHED(pipeline));
fprintf(stderr,"done with cache_empty\n");
}
void have_type(GstElement *element, GstCaps *caps, GstCaps **private_caps) {
fprintf(stderr,"have caps, mime type is %s\n",gst_caps_get_mime(caps));
@ -15,11 +35,13 @@ void have_type(GstElement *element, GstCaps *caps, GstCaps **private_caps) {
if (strstr(gst_caps_get_mime(caps),"mp3")) {
decoder = gst_elementfactory_make ("mad","decoder");
sink = gst_elementfactory_make ("esdsink","sink");
sink = gst_elementfactory_make ("osssink","sink");
gst_bin_add(GST_BIN(autobin),decoder);
gst_bin_add(GST_BIN(autobin),sink);
gst_element_connect(decoder,"src",sink,"sink");
gtk_object_set (GTK_OBJECT(cache), "reset", TRUE, NULL);
gst_element_connect(cache,"src",decoder,"sink");
}
else if (strstr(gst_caps_get_mime(caps),"x-ogg")) {
@ -29,6 +51,8 @@ void have_type(GstElement *element, GstCaps *caps, GstCaps **private_caps) {
gst_bin_add(GST_BIN(autobin),sink);
gst_element_connect(decoder,"src",sink,"sink");
gtk_object_set (GTK_OBJECT(cache), "reset", TRUE, NULL);
gst_element_connect(cache,"src",decoder,"sink");
}
@ -49,6 +73,7 @@ int main (int argc,char *argv[]) {
autobin = gst_bin_new("autobin");
cache = gst_elementfactory_make ("autoplugcache","cache");
gtk_signal_connect (GTK_OBJECT(cache),"cache_empty",GTK_SIGNAL_FUNC(cache_empty),NULL);
typefind = gst_elementfactory_make ("typefind", "typefind");
gtk_signal_connect (GTK_OBJECT(typefind),"have_type",GTK_SIGNAL_FUNC(have_type),&caps);
gst_bin_add (GST_BIN(autobin),cache);

5
gst/autoplug/gstautoplugcache.c
View file

@ -201,8 +201,13 @@ gst_autoplugcache_loop (GstElement *element)
// if we've been told to fire an empty signal (after a reset)
if (cache->fire_empty) {
int oldstate = GST_STATE(cache);
fprintf(stderr,"at front of cache, about to pull, but firing signal\n");
gtk_signal_emit (GTK_OBJECT(cache), gst_autoplugcache_signals[CACHE_EMPTY], NULL);
if (GST_STATE(cache) != oldstate) {
GST_DEBUG(GST_CAT_AUTOPLUG, "state changed during signal, aborting\n");
cothread_switch(cothread_current_main());
}
}
// get a buffer

6
gst/gstelement.c
View file

@ -811,13 +811,15 @@ gst_element_change_state (GstElement *element)
GST_DEBUG (GST_CAT_STATES, "default handler sets '%s' state to %s\n",
GST_ELEMENT_NAME (element), _gst_print_statename(GST_STATE_PENDING(element)));
if (GST_STATE_TRANSITION(element) == GST_STATE_READY_TO_PLAYING) {
if ((GST_STATE_TRANSITION(element) == GST_STATE_READY_TO_PLAYING) ||
(GST_STATE_TRANSITION(element) == GST_STATE_PAUSED_TO_PLAYING)) {
if (GST_ELEMENT_PARENT(element))
fprintf(stderr,"READY->PLAYING: element \"%s\" has parent \"%s\" and sched %p\n",
GST_ELEMENT_NAME(element),GST_ELEMENT_NAME(GST_ELEMENT_PARENT(element)),GST_ELEMENT_SCHED(element));
GST_SCHEDULE_ENABLE_ELEMENT (element->sched,element);
}
else if (GST_STATE_TRANSITION(element) == GST_STATE_PLAYING_TO_READY)
else if ((GST_STATE_TRANSITION(element) == GST_STATE_PLAYING_TO_READY) ||
(GST_STATE_TRANSITION(element) == GST_STATE_PLAYING_TO_READY))
GST_SCHEDULE_DISABLE_ELEMENT (element->sched,element);
GST_STATE (element) = GST_STATE_PENDING (element);

5
gst/gstscheduler.c
View file

@ -1130,13 +1130,12 @@ gst_schedule_pad_disconnect (GstSchedule *sched, GstPad *srcpad, GstPad *sinkpad
GstElement *element1, *element2;
GstScheduleChain *chain1, *chain2;
GST_INFO (GST_CAT_SCHEDULING, "have pad disconnected callback on %s:%s",GST_DEBUG_PAD_NAME(srcpad));
GST_INFO (GST_CAT_SCHEDULING, "disconnecting pads %s:%s and %s:%s",
GST_DEBUG_PAD_NAME(srcpad), GST_DEBUG_PAD_NAME(sinkpad));
// we need to have the parent elements of each pad
element1 = GST_ELEMENT(GST_PAD_PARENT(srcpad));
element2 = GST_ELEMENT(GST_PAD_PARENT(sinkpad));
GST_INFO (GST_CAT_SCHEDULING, "disconnecting elements \"%s\" and \"%s\"",
GST_ELEMENT_NAME(element1), GST_ELEMENT_NAME(element2));
// first task is to remove the old chain they belonged to.
// this can be accomplished by taking either of the elements,