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-rw-r--r--ext/jack/gstjackbin.c476
1 files changed, 248 insertions, 228 deletions
diff --git a/ext/jack/gstjackbin.c b/ext/jack/gstjackbin.c
index b0cea9bc..9be6e915 100644
--- a/ext/jack/gstjackbin.c
+++ b/ext/jack/gstjackbin.c
@@ -29,10 +29,10 @@
static GstBinClass *parent_class = NULL;
-static void gst_jack_bin_init(GstJackBin *this);
-static void gst_jack_bin_class_init(GstJackBinClass *klass);
+static void gst_jack_bin_init (GstJackBin * this);
+static void gst_jack_bin_class_init (GstJackBinClass * klass);
-static GstElementStateReturn gst_jack_bin_change_state(GstElement *element);
+static GstElementStateReturn gst_jack_bin_change_state (GstElement * element);
/* jack callbacks */
static int process (jack_nframes_t nframes, void *arg);
@@ -48,196 +48,213 @@ static gboolean watchdog_please_set_the_jackbin_to_ready = FALSE;
* so set the state of the bin to READY. */
GType
-gst_jack_bin_get_type (void)
+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 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)
+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_ref(GST_TYPE_BIN);
-
- element_class->change_state = gst_jack_bin_change_state;
+ GObjectClass *object_class;
+ GstElementClass *element_class;
+
+ object_class = (GObjectClass *) klass;
+ element_class = (GstElementClass *) klass;
+
+ parent_class = g_type_class_ref (GST_TYPE_BIN);
+
+ element_class->change_state = gst_jack_bin_change_state;
}
static void
-gst_jack_bin_init(GstJackBin *this)
+gst_jack_bin_init (GstJackBin * this)
{
- GST_DEBUG ("initializing jack bin");
-
- /* jack bins are managing bins and iterate themselves */
- GST_FLAG_SET (this, GST_BIN_FLAG_MANAGER);
- GST_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));
+ GST_DEBUG ("initializing jack bin");
+
+ /* jack bins are managing bins and iterate themselves */
+ GST_FLAG_SET (this, GST_BIN_FLAG_MANAGER);
+ GST_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 GstElementStateReturn
-gst_jack_bin_change_state (GstElement *element)
+gst_jack_bin_change_state (GstElement * element)
{
- 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)) {
+ 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);
- break;
-
+ 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);
+ 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_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_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_FLAG_UNSET (GST_OBJECT (this), GST_JACK_OPEN);
-
- if (GST_FLAG_IS_SET (GST_OBJECT (this), GST_JACK_ACTIVE)) {
- JACK_DEBUG ("jackbin: 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;
-
+ 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_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_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_FLAG_UNSET (GST_OBJECT (this), GST_JACK_OPEN);
+
+ if (GST_FLAG_IS_SET (GST_OBJECT (this), GST_JACK_ACTIVE)) {
+ JACK_DEBUG ("jackbin: 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:
- JACK_DEBUG ("jackbin: PAUSED");
-
- if (!GST_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_FLAG_IS_SET (GST_OBJECT (this), GST_JACK_ACTIVE)) {
- JACK_DEBUG ("jackbin: activating client");
- jack_activate (this->client);
- GST_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_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_FAILURE;
- }
- l = g_list_next (l);
- }
-
- JACK_DEBUG ("jackbin: setting OPEN flag");
- GST_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);
- } else {
- if (GST_ELEMENT_CLASS (parent_class)->change_state)
- return GST_ELEMENT_CLASS (parent_class)->change_state (element);
- }
-
- break;
+ JACK_DEBUG ("jackbin: PAUSED");
+
+ if (!GST_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_FLAG_IS_SET (GST_OBJECT (this), GST_JACK_ACTIVE)) {
+ JACK_DEBUG ("jackbin: activating client");
+ jack_activate (this->client);
+ GST_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_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_FAILURE;
+ }
+ l = g_list_next (l);
+ }
+
+ JACK_DEBUG ("jackbin: setting OPEN flag");
+ GST_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);
+ } else {
+ if (GST_ELEMENT_CLASS (parent_class)->change_state)
+ return GST_ELEMENT_CLASS (parent_class)->change_state (element);
+ }
+
+ 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);
- break;
- }
-
- JACK_DEBUG ("jackbin: state change finished");
-
- return GST_STATE_SUCCESS;
+ JACK_DEBUG ("jackbin: PLAYING");
+
+ if (GST_ELEMENT_CLASS (parent_class)->change_state)
+ return GST_ELEMENT_CLASS (parent_class)->change_state (element);
+ break;
+ }
+
+ JACK_DEBUG ("jackbin: state change finished");
+
+ return GST_STATE_SUCCESS;
}
/* jack callbacks */
@@ -247,76 +264,79 @@ gst_jack_bin_change_state (GstElement *element)
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;
+ 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;
+ 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;
+ 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; */
- printf ("shutdown %p\n", arg);
+ printf ("shutdown %p\n", arg);
/* gst_element_set_state (GST_ELEMENT (client->manager), GST_STATE_READY); */
}
-static void sighup_handler (int sig)
+static void
+sighup_handler (int sig)
{
- g_message ("got sighup, setting state to READY");
- watchdog_please_set_the_jackbin_to_ready = TRUE;
+ g_message ("got sighup, setting state to READY");
+ watchdog_please_set_the_jackbin_to_ready = TRUE;
}