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