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better initialization. it doesn't work over here, though.

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Original commit message from CVS:
better initialization. it doesn't work over here, though.
This commit is contained in:
Andy Wingo 2002-05-05 01:08:05 +00:00
parent 47cd41eb83
commit fc4ff50b53
3 changed files with 76 additions and 23 deletions
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2
ext/jack/gstjack.c
View file

@ -418,7 +418,7 @@ gst_jack_loop (GstElement *element)
pad = GST_JACK_PAD (pads);
if (this->direction == GST_PAD_SINK) {
if (pad->bs)
if (!pad->bs)
pad->bs = gst_bytestream_new (pad->pad);
if (!(peeked = gst_bytestream_peek_bytes (pad->bs, len))) {

2
ext/jack/gstjack.h
View file

@ -114,6 +114,8 @@ struct _GstJackBin {
/* the scheduler needs to be setup from within the jack client thread; this
variable is to keep track of whether or not we have been set up yet */
gboolean sched_setup;
GCond *cond;
GMutex *lock;
};
struct _GstJackBinClass {

95
ext/jack/gstjackbin.c
View file

@ -84,6 +84,9 @@ gst_jack_bin_init(GstJackBin *this)
/* make a new scheduler and associate it with the bin */
gst_scheduler_factory_make (NULL, GST_ELEMENT (this));
this->cond = g_cond_new ();
this->lock = g_mutex_new ();
g_mutex_lock (this->lock);
this->sched_setup = FALSE;
}
@ -104,7 +107,9 @@ gst_jack_bin_change_state (GstElement *element)
g_message ("jack: closing client");
jack_client_close (this->client);
}
if (GST_ELEMENT_CLASS (parent_class)->change_state)
return GST_ELEMENT_CLASS (parent_class)->change_state (element);
break;
case GST_STATE_READY:
@ -136,7 +141,16 @@ gst_jack_bin_change_state (GstElement *element)
l = g_list_next (l);
}
GST_FLAG_UNSET (GST_OBJECT (this), GST_JACK_OPEN);
if (GST_FLAG_IS_SET (GST_OBJECT (this), GST_JACK_ACTIVE)) {
g_message ("jack: deactivating client");
jack_deactivate (this->client);
GST_FLAG_UNSET (GST_OBJECT (this), GST_JACK_ACTIVE);
}
}
if (GST_ELEMENT_CLASS (parent_class)->change_state)
return GST_ELEMENT_CLASS (parent_class)->change_state (element);
break;
case GST_STATE_PAUSED:
@ -148,6 +162,27 @@ gst_jack_bin_change_state (GstElement *element)
pad = GST_JACK_PAD (l);
g_message ("jack: registering pad %s:%s", pad->name, pad->peer_name);
pad->port = jack_port_register (this->client, pad->name, JACK_DEFAULT_AUDIO_TYPE, JackPortIsInput, 0);
l = g_list_next (l);
}
l = this->sink_pads;
while (l) {
pad = GST_JACK_PAD (l);
g_message ("jack: registering pad %s:%s", pad->name, pad->peer_name);
pad->port = jack_port_register (this->client, pad->name, JACK_DEFAULT_AUDIO_TYPE, JackPortIsOutput, 0);
l = g_list_next (l);
}
if (!GST_FLAG_IS_SET (GST_OBJECT (this), GST_JACK_ACTIVE)) {
g_message ("jack: activating client");
jack_activate (this->client);
GST_FLAG_SET (GST_OBJECT (this), GST_JACK_ACTIVE);
}
g_cond_wait (this->cond, this->lock);
l = this->src_pads;
while (l) {
pad = GST_JACK_PAD (l);
g_message ("connecting gst jack port %s to jack port %s", jack_port_name (pad->port), pad->peer_name);
if (jack_connect (this->client, jack_port_name (pad->port), pad->peer_name)) {
g_warning ("could not connect %s and %s", pad->peer_name, jack_port_name (pad->port));
@ -158,40 +193,30 @@ gst_jack_bin_change_state (GstElement *element)
l = this->sink_pads;
while (l) {
pad = GST_JACK_PAD (l);
g_message ("jack: registering pad %s:%s", pad->name, pad->peer_name);
pad->port = jack_port_register (this->client, pad->name, JACK_DEFAULT_AUDIO_TYPE, JackPortIsOutput, 0);
g_message ("connecting gst jack port %s to jack port %s", jack_port_name (pad->port), pad->peer_name);
/* if (jack_connect (this->client, jack_port_name (pad->port), pad->peer_name)) {
if (jack_connect (this->client, jack_port_name (pad->port), pad->peer_name)) {
g_warning ("could not connect %s and %s", pad->peer_name, jack_port_name (pad->port));
return GST_STATE_FAILURE;
} */
}
l = g_list_next (l);
}
g_message ("jack: setting OPEN flag");
GST_FLAG_SET (GST_OBJECT (this), GST_JACK_OPEN);
} else {
g_cond_wait (this->cond, this->lock);
}
if (GST_FLAG_IS_SET (GST_OBJECT (this), GST_JACK_ACTIVE)) {
g_message ("jack: deactivating client");
jack_deactivate (this->client);
GST_FLAG_UNSET (GST_OBJECT (this), GST_JACK_ACTIVE);
}
break;
case GST_STATE_PLAYING:
g_message ("jack: PLAYING");
if (!GST_FLAG_IS_SET (GST_OBJECT (this), GST_JACK_ACTIVE)) {
g_message ("jack: activating client");
jack_activate (this->client);
GST_FLAG_SET (GST_OBJECT (this), GST_JACK_ACTIVE);
}
g_cond_wait (this->cond, this->lock);
break;
}
g_message ("jack: state change finished");
if (GST_ELEMENT_CLASS (parent_class)->change_state)
return GST_ELEMENT_CLASS (parent_class)->change_state (element);
return GST_STATE_SUCCESS;
}
@ -210,11 +235,37 @@ process (nframes_t nframes, void *arg)
g_message ("jack: process()");
if (!bin->sched_setup) {
gst_scheduler_setup (GST_ELEMENT_SCHED (bin));
bin->sched_setup = TRUE;
if (GST_STATE_PENDING (bin) != GST_STATE_VOID_PENDING) {
g_message ("jackbin: doing state change from %s to %s",
gst_element_state_get_name (GST_STATE (bin)),
gst_element_state_get_name (GST_STATE_PENDING (bin)));
/* FIXME: this breaks ultra-low latency... */
g_mutex_lock (bin->lock);
switch (GST_STATE_TRANSITION (bin)) {
case GST_STATE_READY_TO_PAUSED:
if (!bin->sched_setup) {
gst_scheduler_setup (GST_ELEMENT_SCHED (bin));
bin->sched_setup = TRUE;
}
break;
}
/* do the chaining up from within the jack thread, so that child
elements are initialized from within the proper thread */
if (GST_ELEMENT_CLASS (parent_class)->change_state)
GST_ELEMENT_CLASS (parent_class)->change_state (GST_ELEMENT_CAST (bin));
g_cond_signal (bin->cond);
g_mutex_unlock (bin->lock);
}
if (GST_STATE (bin) != GST_STATE_PLAYING) {
g_message ("jackbin: bin is not PLAYING yet, returning");
return 0;
}
l = bin->src_pads;
while (l) {
pad = GST_JACK_PAD (l);