mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-24 01:00:37 +00:00
jack: removed unused file gstjackbin.c
This is a 0.8 leftover.
This commit is contained in:
parent
a5eaa99297
commit
d8ee7f01de
1 changed files with 0 additions and 349 deletions
|
@ -1,349 +0,0 @@
|
|||
/* -*- Mode: C; c-basic-offset: 4 -*- */
|
||||
/*
|
||||
Copyright (C) 2002, 2003 Andy Wingo <wingo@pobox.com>
|
||||
|
||||
This library is free software; you can redistribute it and/or
|
||||
modify it under the terms of the GNU General Public
|
||||
License as published by the Free Software Foundation; either
|
||||
version 2 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
|
||||
General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public
|
||||
License along with this library; if not, write to the Free
|
||||
Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||||
*/
|
||||
|
||||
#ifdef HAVE_CONFIG_H
|
||||
#include "config.h"
|
||||
#endif
|
||||
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <signal.h>
|
||||
#include "gstjack.h"
|
||||
|
||||
|
||||
static GstBinClass *parent_class = NULL;
|
||||
|
||||
static void gst_jack_bin_init (GstJackBin * this);
|
||||
static void gst_jack_bin_class_init (GstJackBinClass * klass);
|
||||
|
||||
static GstStateChangeReturn gst_jack_bin_change_state (GstElement * element,
|
||||
GstStateChange transition);
|
||||
|
||||
/* jack callbacks */
|
||||
static int process (jack_nframes_t nframes, void *arg);
|
||||
static int sample_rate (jack_nframes_t nframes, void *arg);
|
||||
static int buffer_size (jack_nframes_t nframes, void *arg);
|
||||
static void shutdown (void *arg);
|
||||
|
||||
static void sighup_handler (int sig);
|
||||
static GstJackBin *_jackbin = NULL;
|
||||
static gboolean watchdog_please_set_the_jackbin_to_ready = FALSE;
|
||||
|
||||
/* fixme: we need a watchdog thread to see if we have received a SIGHUP, and if
|
||||
* so set the state of the bin to READY. */
|
||||
|
||||
GType
|
||||
gst_jack_bin_get_type (void)
|
||||
{
|
||||
static GType jack_bin_type = 0;
|
||||
|
||||
if (!jack_bin_type) {
|
||||
static const GTypeInfo jack_bin_info = {
|
||||
sizeof (GstJackBinClass),
|
||||
NULL,
|
||||
NULL,
|
||||
(GClassInitFunc) gst_jack_bin_class_init,
|
||||
NULL,
|
||||
NULL,
|
||||
sizeof (GstJackBin),
|
||||
0,
|
||||
(GInstanceInitFunc) gst_jack_bin_init,
|
||||
};
|
||||
|
||||
jack_bin_type =
|
||||
g_type_register_static (GST_TYPE_BIN, "GstJackBin", &jack_bin_info, 0);
|
||||
}
|
||||
return jack_bin_type;
|
||||
}
|
||||
|
||||
static void
|
||||
gst_jack_bin_class_init (GstJackBinClass * klass)
|
||||
{
|
||||
GObjectClass *object_class;
|
||||
GstElementClass *element_class;
|
||||
|
||||
object_class = (GObjectClass *) klass;
|
||||
element_class = (GstElementClass *) klass;
|
||||
|
||||
parent_class = g_type_class_peek_parent (klass);
|
||||
|
||||
element_class->change_state = gst_jack_bin_change_state;
|
||||
}
|
||||
|
||||
static void
|
||||
gst_jack_bin_init (GstJackBin * this)
|
||||
{
|
||||
GST_DEBUG ("initializing jack bin");
|
||||
|
||||
/* jack bins are managing bins and iterate themselves */
|
||||
GST_OBJECT_FLAG_SET (this, GST_BIN_FLAG_MANAGER);
|
||||
GST_OBJECT_FLAG_SET (this, GST_BIN_SELF_SCHEDULABLE);
|
||||
|
||||
/* make a new scheduler and associate it with the bin */
|
||||
gst_scheduler_factory_make (NULL, GST_ELEMENT (this));
|
||||
}
|
||||
|
||||
static GstStateChangeReturn
|
||||
gst_jack_bin_change_state (GstElement * element, GstStateChange transition)
|
||||
{
|
||||
GstJackBin *this;
|
||||
GList *l = NULL;
|
||||
GstJackPad *pad;
|
||||
|
||||
g_return_val_if_fail (element != NULL, FALSE);
|
||||
this = GST_JACK_BIN (element);
|
||||
|
||||
switch (GST_STATE_PENDING (element)) {
|
||||
case GST_STATE_NULL:
|
||||
JACK_DEBUG ("jackbin: NULL state");
|
||||
if (this->client) {
|
||||
JACK_DEBUG ("jackbin: closing client");
|
||||
jack_client_close (this->client);
|
||||
this->client = NULL;
|
||||
}
|
||||
|
||||
if (_jackbin)
|
||||
signal (SIGHUP, SIG_DFL);
|
||||
_jackbin = NULL;
|
||||
|
||||
if (GST_ELEMENT_CLASS (parent_class)->change_state)
|
||||
return GST_ELEMENT_CLASS (parent_class)->change_state (element,
|
||||
transition);
|
||||
break;
|
||||
|
||||
case GST_STATE_READY:
|
||||
JACK_DEBUG ("jackbin: READY");
|
||||
|
||||
_jackbin = this;
|
||||
signal (SIGHUP, sighup_handler);
|
||||
|
||||
if (!this->client) {
|
||||
if (!(this->client = jack_client_new ("gst-jack"))) {
|
||||
g_warning ("jack server not running?");
|
||||
return GST_STATE_CHANGE_FAILURE;
|
||||
}
|
||||
|
||||
gst_scheduler_setup (GST_ELEMENT_SCHED (this));
|
||||
|
||||
jack_set_process_callback (this->client, process, this);
|
||||
jack_set_sample_rate_callback (this->client, sample_rate, this);
|
||||
jack_set_buffer_size_callback (this->client, buffer_size, this);
|
||||
this->nframes = jack_get_buffer_size (this->client);
|
||||
jack_on_shutdown (this->client, shutdown, this);
|
||||
}
|
||||
|
||||
if (GST_OBJECT_FLAG_IS_SET (GST_OBJECT (this), GST_JACK_OPEN)) {
|
||||
l = this->src_pads;
|
||||
while (l) {
|
||||
JACK_DEBUG ("jackbin: unregistering pad %s:%s",
|
||||
GST_JACK_PAD (l)->name, GST_JACK_PAD (l)->peer_name);
|
||||
jack_port_unregister (this->client, GST_JACK_PAD (l)->port);
|
||||
l = g_list_next (l);
|
||||
}
|
||||
l = this->sink_pads;
|
||||
while (l) {
|
||||
JACK_DEBUG ("jackbin: unregistering pad %s:%s",
|
||||
GST_JACK_PAD (l)->name, GST_JACK_PAD (l)->peer_name);
|
||||
jack_port_unregister (this->client, GST_JACK_PAD (l)->port);
|
||||
l = g_list_next (l);
|
||||
}
|
||||
GST_OBJECT_FLAG_UNSET (GST_OBJECT (this), GST_JACK_OPEN);
|
||||
|
||||
if (GST_OBJECT_FLAG_IS_SET (GST_OBJECT (this), GST_JACK_ACTIVE)) {
|
||||
JACK_DEBUG ("jackbin: deactivating client");
|
||||
jack_deactivate (this->client);
|
||||
GST_OBJECT_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,
|
||||
transition);
|
||||
break;
|
||||
|
||||
case GST_STATE_PAUSED:
|
||||
JACK_DEBUG ("jackbin: PAUSED");
|
||||
|
||||
if (!GST_OBJECT_FLAG_IS_SET (GST_OBJECT (this), GST_JACK_OPEN)) {
|
||||
l = this->src_pads;
|
||||
while (l) {
|
||||
pad = GST_JACK_PAD (l);
|
||||
JACK_DEBUG ("jackbin: registering input port %s (peer %s)", pad->name,
|
||||
pad->peer_name);
|
||||
pad->port =
|
||||
jack_port_register (this->client, pad->name,
|
||||
JACK_DEFAULT_AUDIO_TYPE, JackPortIsInput | JackPortIsTerminal, 0);
|
||||
l = g_list_next (l);
|
||||
}
|
||||
l = this->sink_pads;
|
||||
while (l) {
|
||||
pad = GST_JACK_PAD (l);
|
||||
JACK_DEBUG ("jackbin: registering output port %s (peer %s)",
|
||||
pad->name, pad->peer_name);
|
||||
pad->port =
|
||||
jack_port_register (this->client, pad->name,
|
||||
JACK_DEFAULT_AUDIO_TYPE, JackPortIsOutput | JackPortIsTerminal,
|
||||
0);
|
||||
l = g_list_next (l);
|
||||
}
|
||||
|
||||
/* must activate before connecting */
|
||||
if (!GST_OBJECT_FLAG_IS_SET (GST_OBJECT (this), GST_JACK_ACTIVE)) {
|
||||
JACK_DEBUG ("jackbin: activating client");
|
||||
jack_activate (this->client);
|
||||
GST_OBJECT_FLAG_SET (GST_OBJECT (this), GST_JACK_ACTIVE);
|
||||
}
|
||||
|
||||
l = this->src_pads;
|
||||
while (l) {
|
||||
pad = GST_JACK_PAD (l);
|
||||
JACK_DEBUG ("connecting jack port %s to gst jack port %s",
|
||||
pad->peer_name, jack_port_name (pad->port));
|
||||
if (jack_connect (this->client, pad->peer_name,
|
||||
jack_port_name (pad->port))) {
|
||||
g_warning ("jackbin: could not connect %s and %s", pad->peer_name,
|
||||
jack_port_name (pad->port));
|
||||
return GST_STATE_CHANGE_FAILURE;
|
||||
}
|
||||
l = g_list_next (l);
|
||||
}
|
||||
l = this->sink_pads;
|
||||
while (l) {
|
||||
pad = GST_JACK_PAD (l);
|
||||
JACK_DEBUG ("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 ("jackbin: could not connect %s and %s", pad->peer_name,
|
||||
jack_port_name (pad->port));
|
||||
return GST_STATE_CHANGE_FAILURE;
|
||||
}
|
||||
l = g_list_next (l);
|
||||
}
|
||||
|
||||
JACK_DEBUG ("jackbin: setting OPEN flag");
|
||||
GST_OBJECT_FLAG_SET (GST_OBJECT (this), GST_JACK_OPEN);
|
||||
|
||||
if (GST_ELEMENT_CLASS (parent_class)->change_state)
|
||||
return GST_ELEMENT_CLASS (parent_class)->change_state (element,
|
||||
transition);
|
||||
} else {
|
||||
if (GST_ELEMENT_CLASS (parent_class)->change_state)
|
||||
return GST_ELEMENT_CLASS (parent_class)->change_state (element,
|
||||
transition);
|
||||
}
|
||||
|
||||
break;
|
||||
case GST_STATE_PLAYING:
|
||||
JACK_DEBUG ("jackbin: PLAYING");
|
||||
|
||||
if (GST_ELEMENT_CLASS (parent_class)->change_state)
|
||||
return GST_ELEMENT_CLASS (parent_class)->change_state (element,
|
||||
transition);
|
||||
break;
|
||||
}
|
||||
|
||||
JACK_DEBUG ("jackbin: state change finished");
|
||||
|
||||
return GST_STATE_CHANGE_SUCCESS;
|
||||
}
|
||||
|
||||
/* jack callbacks */
|
||||
|
||||
/* keep in mind that these run in another thread, mm-kay? */
|
||||
|
||||
static int
|
||||
process (jack_nframes_t nframes, void *arg)
|
||||
{
|
||||
GstJackBin *bin = (GstJackBin *) arg;
|
||||
GstJackPad *pad;
|
||||
GList *l;
|
||||
|
||||
g_assert (bin);
|
||||
|
||||
JACK_DEBUG ("jackbin: process()");
|
||||
|
||||
if (GST_STATE (bin) != GST_STATE_PLAYING) {
|
||||
JACK_DEBUG ("jackbin: bin is not PLAYING yet, returning");
|
||||
return 0;
|
||||
} else {
|
||||
JACK_DEBUG ("jackbin: we are PLAYING, let's process()");
|
||||
}
|
||||
|
||||
l = bin->src_pads;
|
||||
while (l) {
|
||||
pad = GST_JACK_PAD (l);
|
||||
pad->data = jack_port_get_buffer (pad->port, nframes);
|
||||
l = g_list_next (l);
|
||||
}
|
||||
|
||||
l = bin->sink_pads;
|
||||
while (l) {
|
||||
pad = GST_JACK_PAD (l);
|
||||
pad->data = jack_port_get_buffer (pad->port, nframes);
|
||||
l = g_list_next (l);
|
||||
}
|
||||
|
||||
bin->nframes = nframes;
|
||||
|
||||
JACK_DEBUG ("jackbin: iterating to process %ld frames of audio...", nframes);
|
||||
if (!gst_bin_iterate (GST_BIN (bin))) {
|
||||
g_warning ("bin failed to iterate");
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* that's all folks */
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int
|
||||
sample_rate (jack_nframes_t nframes, void *arg)
|
||||
{
|
||||
GstJackBin *bin = (GstJackBin *) arg;
|
||||
|
||||
JACK_DEBUG ("the sample rate is now %lu/sec\n", nframes);
|
||||
bin->rate = nframes;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int
|
||||
buffer_size (jack_nframes_t nframes, void *arg)
|
||||
{
|
||||
GstJackBin *bin = (GstJackBin *) arg;
|
||||
|
||||
JACK_DEBUG ("the buffer size is now %lu\n", nframes);
|
||||
bin->nframes = nframes;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void
|
||||
shutdown (void *arg)
|
||||
{
|
||||
/* GstJackClient *client = (GstJackClient*) arg; */
|
||||
JACK_DEBUG ("shutdown %p\n", arg);
|
||||
/* gst_element_set_state (GST_ELEMENT (client->manager), GST_STATE_READY); */
|
||||
}
|
||||
|
||||
static void
|
||||
sighup_handler (int sig)
|
||||
{
|
||||
g_message ("got sighup, setting state to READY");
|
||||
watchdog_please_set_the_jackbin_to_ready = TRUE;
|
||||
}
|
Loading…
Reference in a new issue