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authorAndy Wingo <wingo@pobox.com>2002-04-16 17:14:05 +0000
committerAndy Wingo <wingo@pobox.com>2002-04-16 17:14:05 +0000
commitb40069a51296860a428cd1a9ef51bcbcf522f1ba (patch)
tree4694bd3b2781ded409c1a031c0be97155cddf6ce /ext
parent8d71425079a3a56e0a64838c319dfcd594a9e599 (diff)
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Finally we're on to a proper jack setup, with a specialized bin and elements that can only go in a jack bin. I had to...
Original commit message from CVS: Finally we're on to a proper jack setup, with a specialized bin and elements that can only go in a jack bin. I had to fix the parser first to do this, but to run it, the syntax is like so: gst-launch jackbin.( filesrc ! mad ! jacksink ) But of course it's not fully functional yet. Sigh.
Diffstat (limited to 'ext')
-rw-r--r--ext/jack/Makefile.am2
-rw-r--r--ext/jack/gstjack.c192
-rw-r--r--ext/jack/gstjack.h54
-rw-r--r--ext/jack/gstjackbin.c250
4 files changed, 311 insertions, 187 deletions
diff --git a/ext/jack/Makefile.am b/ext/jack/Makefile.am
index 7c1b5c23..981c5a9f 100644
--- a/ext/jack/Makefile.am
+++ b/ext/jack/Makefile.am
@@ -2,7 +2,7 @@ plugindir = $(libdir)/gst
plugin_LTLIBRARIES = libgstjack.la
-libgstjack_la_SOURCES = gstjack.c
+libgstjack_la_SOURCES = gstjack.c gstjackbin.c
libgstjack_la_CFLAGS = $(GST_CFLAGS) $(JACK_CFLAGS)
libgstjack_la_LIBADD = $(JACK_LIBS)
libgstjack_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
diff --git a/ext/jack/gstjack.c b/ext/jack/gstjack.c
index 0567f473..fc297750 100644
--- a/ext/jack/gstjack.c
+++ b/ext/jack/gstjack.c
@@ -35,6 +35,15 @@
*/
+static GstElementDetails gst_jack_bin_details = {
+ "Jack Bin",
+ "Bin/Audio",
+ "Jack processing bin: see README for more info",
+ VERSION,
+ "Andy Wingo <wingo@pobox.com>",
+ "(C) 2002 "
+};
+
static GstElementDetails gst_jack_sink_details = {
"Jack Sink",
"Sink/Audio",
@@ -54,7 +63,7 @@ static GstElementDetails gst_jack_src_details = {
};
-static GstElement *parent_class = NULL;
+static GstElementClass *parent_class = NULL;
static void gst_jack_init(GstJack *this);
static void gst_jack_class_init(GstJackClass *klass);
@@ -72,12 +81,6 @@ static GstPadConnectReturn gst_jack_connect (GstPad *pad, GstCaps *caps);
static void gst_jack_loop (GstElement *element);
-/* jack callbacks */
-static int process (nframes_t nframes, void *arg);
-static int buffer_size (nframes_t nframes, void *arg);
-static int sample_rate (nframes_t nframes, void *arg);
-static void shutdown (void *arg);
-
enum {
ARG_0,
@@ -229,12 +232,12 @@ gst_jack_request_new_pad (GstElement *element, GstPadTemplate *templ, const gcha
g_return_val_if_fail ((this = GST_JACK (element)), NULL);
- if (!this->client)
+ if (!this->bin)
pad_list = &this->pads;
else if (this->direction == GST_PAD_SRC)
- pad_list = &this->client->src_pads;
+ pad_list = &this->bin->src_pads;
else
- pad_list = &this->client->src_pads;
+ pad_list = &this->bin->src_pads;
if (name) {
l = *pad_list;
@@ -303,63 +306,31 @@ static GstElementStateReturn
gst_jack_change_state (GstElement *element)
{
GstJack *this;
- GstJackClient *client;
- GstBin *bin;
GList *l = NULL, **pads;
- enum JackPortFlags flags;
GstJackPad *pad;
g_return_val_if_fail (element != NULL, FALSE);
this = GST_JACK (element);
- client = this->client;
switch (GST_STATE_PENDING (element)) {
case GST_STATE_NULL:
- g_message ("jack: NULL state");
- if (client) {
- g_message ("jack: closing client");
- jack_client_close (client->client);
- }
-
+ g_message ("jack client %s: NULL", GST_OBJECT_NAME (GST_OBJECT (this)));
break;
case GST_STATE_READY:
- g_message ("jack: READY");
- if (!this->client) {
- if (!(bin = gst_element_get_managing_bin (element))) {
- g_warning ("jack element %s cannot be brought to READY state without a managing bin",
+ g_message ("jack client %s: READY", GST_OBJECT_NAME (GST_OBJECT (this)));
+ if (!this->bin) {
+ if (!(this->bin = (GstJackBin*)gst_element_get_managing_bin (element))
+ || !GST_IS_JACK_BIN (this->bin)) {
+ this->bin = NULL;
+ g_warning ("jack element %s needs to be contained in a jack bin.",
GST_OBJECT_NAME (GST_OBJECT (element)));
return GST_STATE_FAILURE;
}
- client = g_object_get_data (G_OBJECT (bin), "gst-jack-client");
-
- if (!client) {
- g_message ("jack: making new client");
- client = g_new0 (GstJackClient, 1);
- if (!(client->client = jack_client_new ("gst-jack"))) {
- g_warning ("jack server not running?");
- return GST_STATE_FAILURE;
- }
-
- jack_set_process_callback (client->client, process, client);
- jack_set_buffer_size_callback (client->client, buffer_size, client);
- jack_set_sample_rate_callback (client->client, sample_rate, client);
- jack_on_shutdown (client->client, shutdown, client);
-
- client->refcount = 1;
- g_object_set_data (G_OBJECT (bin), "gst-jack-client", client);
- client->manager = bin;
- GST_FLAG_SET (GST_OBJECT (bin), GST_BIN_SELF_SCHEDULABLE);
- } else {
- g_message ("jack: refcounting existing client");
- client->refcount++;
- }
- this->client = client;
-
/* fixme: verify that all names are unique */
l = this->pads;
- pads = (this->direction == GST_PAD_SRC) ? &client->src_pads : &client->sink_pads;
+ pads = (this->direction == GST_PAD_SRC) ? &this->bin->src_pads : &this->bin->sink_pads;
while (l) {
pad = GST_JACK_PAD (l);
g_message ("jack: appending pad %s:%s to list", pad->name, pad->peer_name);
@@ -367,60 +338,13 @@ gst_jack_change_state (GstElement *element)
l = g_list_next (l);
}
}
-
- /* fixme: there are a *lot* of problems here */
- if (GST_FLAG_IS_SET (GST_OBJECT (this), GST_JACK_OPEN)) {
- l = this->pads;
- while (l) {
- g_message ("jack: unregistering pad %s:%s", GST_JACK_PAD (l)->name, GST_JACK_PAD (l)->peer_name);
- jack_port_unregister (client->client, GST_JACK_PAD (l)->port);
- l = g_list_next (l);
- }
- GST_FLAG_UNSET (GST_OBJECT (this), GST_JACK_OPEN);
- }
break;
case GST_STATE_PAUSED:
- g_message ("jack: PAUSED");
- g_assert (client);
-
- if (!GST_FLAG_IS_SET (GST_OBJECT (this), GST_JACK_OPEN)) {
- l = this->pads;
- while (l) {
- pad = GST_JACK_PAD (l);
-
- if (this->direction == GST_PAD_SINK)
- flags = JackPortIsOutput;
- else
- flags = JackPortIsInput;
-
- g_message ("jack: registering pad %s:%s", pad->name, pad->peer_name);
- pad->port = jack_port_register (client->client, pad->name, JACK_DEFAULT_AUDIO_TYPE, flags, 0);
- g_message ("connecting gst jack port %s to jack port %s", jack_port_name (pad->port), pad->peer_name);
- if (jack_connect (client->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);
- }
-
- if (GST_FLAG_IS_SET (GST_OBJECT (this), GST_JACK_ACTIVE)) {
- g_message ("jack: deactivating client");
- jack_deactivate (client->client);
- GST_FLAG_UNSET (GST_OBJECT (this), GST_JACK_ACTIVE);
- }
+ g_message ("jack client %s: PAUSED", GST_OBJECT_NAME (GST_OBJECT (this)));
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 (client->client);
- GST_FLAG_SET (GST_OBJECT (this), GST_JACK_ACTIVE);
- }
+ g_message ("jack client %s: PLAYING", GST_OBJECT_NAME (GST_OBJECT (this)));
break;
}
@@ -444,7 +368,7 @@ gst_jack_connect (GstPad *pad, GstCaps *caps)
if (GST_CAPS_IS_FIXED (caps)) {
gst_caps_get_int (caps, "rate", &rate);
- if (this->client && rate != this->client->rate)
+ if (this->bin && rate != this->bin->rate)
return GST_PAD_CONNECT_REFUSED;
return GST_PAD_CONNECT_OK;
@@ -468,7 +392,7 @@ gst_jack_loop (GstElement *element)
this = GST_JACK (element);
g_return_if_fail(this != NULL);
- len = this->client->nframes * sizeof (sample_t);
+ len = this->bin->nframes * sizeof (sample_t);
do {
pads = this->pads;
@@ -515,69 +439,6 @@ gst_jack_loop (GstElement *element)
} while (TRUE);
}
-/* jack callbacks */
-
-static int
-process (nframes_t nframes, void *arg)
-{
- GstJackClient *client = (GstJackClient*) arg;
- GstJackPad *pad;
- GList *l;
-
- g_assert (client);
-
- g_message ("jack: process()");
-
- l = client->src_pads;
- while (l) {
- pad = GST_JACK_PAD (l);
- pad->data = jack_port_get_buffer (pad->port, nframes);
- l = g_list_next (l);
- }
-
- l = client->sink_pads;
- while (l) {
- pad = GST_JACK_PAD (l);
- pad->data = jack_port_get_buffer (pad->port, nframes);
- l = g_list_next (l);
- }
-
- client->nframes = nframes;
-
- if (!gst_bin_iterate (client->manager)) {
- g_warning ("bin failed to iterate");
- return -1;
- }
-
- /* that's all folks */
-
- return 0;
-}
-
-static int
-buffer_size (nframes_t nframes, void *arg)
-{
- printf ("the maximum buffer size is now %lu\n", nframes);
- return 0;
-}
-
-static int
-sample_rate (nframes_t nframes, void *arg)
-{
- GstJackClient *client = (GstJackClient*) arg;
- printf ("the sample rate is now %lu/sec\n", nframes);
- client->rate = nframes;
- return 0;
-}
-
-static void
-shutdown (void *arg)
-{
- GstJackClient *client = (GstJackClient*) arg;
- printf ("shutdown %p\n", client);
-/* gst_element_set_state (GST_ELEMENT (client->manager), GST_STATE_READY); */
-}
-
static gboolean
plugin_init (GModule *module, GstPlugin *plugin)
{
@@ -588,6 +449,9 @@ plugin_init (GModule *module, GstPlugin *plugin)
return FALSE;
}
+ factory = gst_element_factory_new ("jackbin", GST_TYPE_JACK_BIN, &gst_jack_bin_details);
+ g_return_val_if_fail (factory != NULL, FALSE);
+
factory = gst_element_factory_new ("jacksrc", GST_TYPE_JACK_SRC, &gst_jack_src_details);
g_return_val_if_fail (factory != NULL, FALSE);
gst_element_factory_add_pad_template (factory, gst_jack_src_request_pad_factory());
diff --git a/ext/jack/gstjack.h b/ext/jack/gstjack.h
index da6940f2..38763cd6 100644
--- a/ext/jack/gstjack.h
+++ b/ext/jack/gstjack.h
@@ -42,11 +42,19 @@
#define GST_IS_JACK_SRC_CLASS(klass) G_TYPE_CHECK_CLASS_TYPE(klass, GST_TYPE_JACK_SRC)
#define GST_TYPE_JACK_SRC gst_jack_src_get_type()
+#define GST_JACK_BIN(obj) G_TYPE_CHECK_INSTANCE_CAST(obj, GST_TYPE_JACK_BIN, GstJackBin)
+#define GST_JACK_BIN_CLASS(klass) G_TYPE_CHECK_CLASS_CAST(klass, GST_TYPE_JACK_BIN, GstJackClass)
+#define GST_IS_JACK_BIN(obj) G_TYPE_CHECK_INSTANCE_TYPE(obj, GST_TYPE_JACK_BIN)
+#define GST_IS_JACK_BIN_CLASS(klass) G_TYPE_CHECK_CLASS_TYPE(klass, GST_TYPE_JACK_BIN)
+#define GST_TYPE_JACK_BIN gst_jack_bin_get_type()
+
#define GST_JACK_PAD(l) ((GstJackPad*)l->data) /* l is a GList */
typedef struct _GstJack GstJack;
typedef struct _GstJackClass GstJackClass;
+typedef struct _GstJackBin GstJackBin;
+typedef struct _GstJackBinClass GstJackBinClass;
typedef GstJack GstJackSink;
typedef GstJackClass GstJackSinkClass;
typedef GstJack GstJackSrc;
@@ -54,9 +62,9 @@ typedef GstJackClass GstJackSrcClass;
enum {
- GST_JACK_OPEN = GST_ELEMENT_FLAG_LAST,
+ GST_JACK_OPEN = GST_BIN_FLAG_LAST,
GST_JACK_ACTIVE,
- GST_JACK_FLAG_LAST = GST_ELEMENT_FLAG_LAST + 3,
+ GST_JACK_FLAG_LAST = GST_BIN_FLAG_LAST + 3,
};
@@ -69,24 +77,6 @@ typedef struct {
jack_port_t *port;
} GstJackPad;
-typedef struct {
- GstBin *manager;
-
- jack_client_t *client;
- gint default_new_port_number;
-
- /* lists of GstJackPads */
- GList *sink_pads;
- GList *src_pads;
-
- gchar *client_name;
-
- guint rate;
- nframes_t nframes;
-
- guint refcount;
-} GstJackClient;
-
struct _GstJack {
GstElement element;
@@ -98,16 +88,36 @@ struct _GstJack {
gchar *port_name_prefix;
- /* there is exactly one client per managing bin */
- GstJackClient *client;
+ GstJackBin *bin;
};
struct _GstJackClass {
GstElementClass parent_class;
};
+struct _GstJackBin {
+ GstBin bin;
+
+ jack_client_t *client;
+ gint default_new_port_number;
+
+ /* lists of GstJackPads */
+ GList *sink_pads;
+ GList *src_pads;
+
+ gchar *client_name;
+
+ guint rate;
+ nframes_t nframes;
+};
+
+struct _GstJackBinClass {
+ GstBinClass parent_class;
+};
+
GType gst_jack_get_type (void);
+GType gst_jack_bin_get_type (void);
GType gst_jack_sink_get_type (void);
GType gst_jack_src_get_type (void);
diff --git a/ext/jack/gstjackbin.c b/ext/jack/gstjackbin.c
new file mode 100644
index 00000000..8a4cc763
--- /dev/null
+++ b/ext/jack/gstjackbin.c
@@ -0,0 +1,250 @@
+/*
+ Copyright (C) 2002 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.
+*/
+
+#include <stdlib.h>
+#include "gstjack.h"
+
+
+static GstBinClass *parent_class = NULL;
+
+static void gst_jack_bin_init(GstJack *this);
+static void gst_jack_bin_class_init(GstJackClass *klass);
+
+static GstElementStateReturn gst_jack_bin_change_state(GstElement *element);
+
+/* jack callbacks */
+static int process (nframes_t nframes, void *arg);
+static int buffer_size (nframes_t nframes, void *arg);
+static int sample_rate (nframes_t nframes, void *arg);
+static void shutdown (void *arg);
+
+
+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(GstJackClass *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;
+}
+
+static void
+gst_jack_bin_init(GstJack *this)
+{
+}
+
+static GstElementStateReturn
+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)) {
+ case GST_STATE_NULL:
+ g_message ("jack: NULL state");
+ if (this->client) {
+ g_message ("jack: closing client");
+ jack_client_close (this->client);
+ }
+
+ break;
+
+ case GST_STATE_READY:
+ g_message ("jack: READY");
+ if (!this->client) {
+ if (!(this->client = jack_client_new ("gst-jack"))) {
+ g_warning ("jack server not running?");
+ return GST_STATE_FAILURE;
+ }
+
+ jack_set_process_callback (this->client, process, this);
+ jack_set_buffer_size_callback (this->client, buffer_size, this);
+ jack_set_sample_rate_callback (this->client, sample_rate, this);
+ jack_on_shutdown (this->client, shutdown, this);
+ }
+
+ /* fixme: there are a *lot* of problems here */
+ if (GST_FLAG_IS_SET (GST_OBJECT (this), GST_JACK_OPEN)) {
+ l = this->src_pads;
+ while (l) {
+ g_message ("jack: 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) {
+ g_message ("jack: 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);
+ }
+ break;
+
+ case GST_STATE_PAUSED:
+ g_message ("jack: PAUSED");
+
+ if (!GST_FLAG_IS_SET (GST_OBJECT (this), GST_JACK_OPEN)) {
+ l = this->src_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, JackPortIsInput, 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)) {
+ 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);
+ }
+ 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)) {
+ 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);
+ }
+
+ 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);
+ }
+ 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;
+}
+
+/* jack callbacks */
+
+/* keep in mind that these run in another thread, mm-kay? */
+
+static int
+process (nframes_t nframes, void *arg)
+{
+ GstJackBin *bin = (GstJackBin*) arg;
+ GstJackPad *pad;
+ GList *l;
+
+ g_assert (bin);
+
+ g_message ("jack: 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;
+
+ if (!gst_bin_iterate (GST_BIN_CAST (bin))) {
+ g_warning ("bin failed to iterate");
+ return -1;
+ }
+
+ /* that's all folks */
+
+ return 0;
+}
+
+static int
+buffer_size (nframes_t nframes, void *arg)
+{
+ printf ("the maximum buffer size is now %lu\n", nframes);
+ return 0;
+}
+
+static int
+sample_rate (nframes_t nframes, void *arg)
+{
+ GstJackBin *bin = (GstJackBin*) arg;
+ printf ("the sample rate is now %lu/sec\n", nframes);
+ bin->rate = nframes;
+ return 0;
+}
+
+static void
+shutdown (void *arg)
+{
+/* GstJackClient *client = (GstJackClient*) arg; */
+ printf ("shutdown %p\n", arg);
+/* gst_element_set_state (GST_ELEMENT (client->manager), GST_STATE_READY); */
+}
+