mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2025-04-26 06:54:49 +00:00
Code Issues 1 Projects Releases Wiki Activity

gst-indent

Browse source 
Original commit message from CVS:
gst-indent
This commit is contained in:
Thomas Vander Stichele 2004-03-14 22:34:33 +00:00 committed by Tim-Philipp Müller
parent d952e72d42
commit c2bcfc8446
3 changed files with 595 additions and 557 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

632
ext/jack/gstjack.c
View file

@ -38,118 +38,122 @@
/* elementfactory information */ /* elementfactory information */
static GstElementDetails gst_jack_bin_details = { static GstElementDetails gst_jack_bin_details = {
"Jack Bin", "Jack Bin",
"Generic/Bin", "Generic/Bin",
"Jack processing bin", "Jack processing bin",
"Andy Wingo <wingo@pobox.com>", "Andy Wingo <wingo@pobox.com>",
}; };
static GstElementDetails gst_jack_sink_details = { static GstElementDetails gst_jack_sink_details = {
"Jack Sink", "Jack Sink",
"Sink/Audio", "Sink/Audio",
"Output to a Jack processing network", "Output to a Jack processing network",
"Andy Wingo <wingo@pobox.com>", "Andy Wingo <wingo@pobox.com>",
}; };
static GstElementDetails gst_jack_src_details = { static GstElementDetails gst_jack_src_details = {
"Jack Src", "Jack Src",
"Source/Audio", "Source/Audio",
"Input from a Jack processing network", "Input from a Jack processing network",
"Andy Wingo <wingo@pobox.com>", "Andy Wingo <wingo@pobox.com>",
}; };
static GHashTable *port_name_counts = NULL; static GHashTable *port_name_counts = NULL;
static GstElementClass *parent_class = NULL; static GstElementClass *parent_class = NULL;
static void gst_jack_base_init (gpointer g_class); static void gst_jack_base_init (gpointer g_class);
static void gst_jack_src_base_init (gpointer g_class); static void gst_jack_src_base_init (gpointer g_class);
static void gst_jack_sink_base_init (gpointer g_class); static void gst_jack_sink_base_init (gpointer g_class);
static void gst_jack_init(GstJack *this); static void gst_jack_init (GstJack * this);
static void gst_jack_class_init(GstJackClass *klass); static void gst_jack_class_init (GstJackClass * klass);
static void gst_jack_set_property (GObject *object, guint prop_id, static void gst_jack_set_property (GObject * object, guint prop_id,
const GValue *value, GParamSpec *pspec); const GValue * value, GParamSpec * pspec);
static void gst_jack_get_property (GObject *object, guint prop_id, static void gst_jack_get_property (GObject * object, guint prop_id,
GValue *value, GParamSpec *pspec); GValue * value, GParamSpec * pspec);
static GstPadTemplate* gst_jack_src_request_pad_factory(); static GstPadTemplate *gst_jack_src_request_pad_factory ();
static GstPadTemplate* gst_jack_sink_request_pad_factory(); static GstPadTemplate *gst_jack_sink_request_pad_factory ();
static GstPad* gst_jack_request_new_pad (GstElement *element, GstPadTemplate *templ, static GstPad *gst_jack_request_new_pad (GstElement * element,
const gchar *name); GstPadTemplate * templ, const gchar * name);
static GstElementStateReturn gst_jack_change_state (GstElement *element); static GstElementStateReturn gst_jack_change_state (GstElement * element);
static GstPadLinkReturn gst_jack_link (GstPad *pad, const GstCaps *caps); static GstPadLinkReturn gst_jack_link (GstPad * pad, const GstCaps * caps);
static void gst_jack_loop (GstElement *element); static void gst_jack_loop (GstElement * element);
enum { enum
ARG_0, {
ARG_PORT_NAME_PREFIX, ARG_0,
ARG_PORT_NAME_PREFIX,
}; };
GType GType
gst_jack_get_type (void) gst_jack_get_type (void)
{ {
static GType jack_type = 0; static GType jack_type = 0;
if (!jack_type) { if (!jack_type) {
static const GTypeInfo jack_info = { static const GTypeInfo jack_info = {
sizeof(GstJackClass), sizeof (GstJackClass),
gst_jack_base_init, gst_jack_base_init,
NULL, NULL,
NULL, NULL,
NULL, NULL,
NULL, NULL,
sizeof(GstJack), sizeof (GstJack),
0, 0,
NULL, NULL,
}; };
jack_type = g_type_register_static (GST_TYPE_ELEMENT, "GstJack", &jack_info, 0); jack_type =
g_type_register_static (GST_TYPE_ELEMENT, "GstJack", &jack_info, 0);
} }
return jack_type; return jack_type;
} }
GType GType
gst_jack_sink_get_type (void) gst_jack_sink_get_type (void)
{ {
static GType jack_type = 0; static GType jack_type = 0;
if (!jack_type) { if (!jack_type) {
static const GTypeInfo jack_info = { static const GTypeInfo jack_info = {
sizeof(GstJackClass), sizeof (GstJackClass),
gst_jack_sink_base_init, gst_jack_sink_base_init,
NULL, NULL,
(GClassInitFunc)gst_jack_class_init, (GClassInitFunc) gst_jack_class_init,
NULL, NULL,
NULL, NULL,
sizeof(GstJack), sizeof (GstJack),
0, 0,
(GInstanceInitFunc)gst_jack_init, (GInstanceInitFunc) gst_jack_init,
}; };
jack_type = g_type_register_static (GST_TYPE_JACK, "GstJackSink", &jack_info, 0); jack_type =
g_type_register_static (GST_TYPE_JACK, "GstJackSink", &jack_info, 0);
} }
return jack_type; return jack_type;
} }
GType GType
gst_jack_src_get_type (void) gst_jack_src_get_type (void)
{ {
static GType jack_type = 0; static GType jack_type = 0;
if (!jack_type) { if (!jack_type) {
static const GTypeInfo jack_info = { static const GTypeInfo jack_info = {
sizeof(GstJackClass), sizeof (GstJackClass),
gst_jack_src_base_init, gst_jack_src_base_init,
NULL, NULL,
(GClassInitFunc)gst_jack_class_init, (GClassInitFunc) gst_jack_class_init,
NULL, NULL,
NULL, NULL,
sizeof(GstJack), sizeof (GstJack),
0, 0,
(GInstanceInitFunc)gst_jack_init, (GInstanceInitFunc) gst_jack_init,
}; };
jack_type = g_type_register_static (GST_TYPE_JACK, "GstJackSrc", &jack_info, 0); jack_type =
g_type_register_static (GST_TYPE_JACK, "GstJackSrc", &jack_info, 0);
} }
return jack_type; return jack_type;
} }
@ -167,7 +171,8 @@ gst_jack_src_base_init (gpointer g_class)
{ {
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class); GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
gst_element_class_add_pad_template (element_class, gst_jack_src_request_pad_factory ()); gst_element_class_add_pad_template (element_class,
gst_jack_src_request_pad_factory ());
gst_element_class_set_details (element_class, &gst_jack_src_details); gst_element_class_set_details (element_class, &gst_jack_src_details);
} }
@ -176,342 +181,349 @@ gst_jack_sink_base_init (gpointer g_class)
{ {
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class); GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
gst_element_class_add_pad_template (element_class, gst_jack_sink_request_pad_factory ()); gst_element_class_add_pad_template (element_class,
gst_jack_sink_request_pad_factory ());
gst_element_class_set_details (element_class, &gst_jack_sink_details); gst_element_class_set_details (element_class, &gst_jack_sink_details);
} }
static void static void
gst_jack_class_init(GstJackClass *klass) gst_jack_class_init (GstJackClass * klass)
{ {
GObjectClass *object_class; GObjectClass *object_class;
GstElementClass *element_class; GstElementClass *element_class;
GParamSpec *pspec; GParamSpec *pspec;
gchar *prefix; gchar *prefix;
object_class = (GObjectClass *)klass;
element_class = (GstElementClass *)klass;
if (parent_class == NULL)
parent_class = g_type_class_ref(GST_TYPE_ELEMENT);
object_class->get_property = gst_jack_get_property;
object_class->set_property = gst_jack_set_property;
if (GST_IS_JACK_SINK_CLASS (klass))
prefix = "gst-out-";
else
prefix = "gst-in-";
pspec = g_param_spec_string ("port-name-prefix", "Port name prefix",
"String to prepend to jack port names",
prefix, G_PARAM_READWRITE | G_PARAM_CONSTRUCT);
g_object_class_install_property (object_class, ARG_PORT_NAME_PREFIX, pspec);
element_class->change_state = gst_jack_change_state; object_class = (GObjectClass *) klass;
element_class = (GstElementClass *) klass;
element_class->request_new_pad = gst_jack_request_new_pad;
if (parent_class == NULL)
parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
object_class->get_property = gst_jack_get_property;
object_class->set_property = gst_jack_set_property;
if (GST_IS_JACK_SINK_CLASS (klass))
prefix = "gst-out-";
else
prefix = "gst-in-";
pspec = g_param_spec_string ("port-name-prefix", "Port name prefix",
"String to prepend to jack port names",
prefix, G_PARAM_READWRITE | G_PARAM_CONSTRUCT);
g_object_class_install_property (object_class, ARG_PORT_NAME_PREFIX, pspec);
element_class->change_state = gst_jack_change_state;
element_class->request_new_pad = gst_jack_request_new_pad;
} }
static void static void
gst_jack_init(GstJack *this) gst_jack_init (GstJack * this)
{ {
if (G_OBJECT_TYPE (this) == GST_TYPE_JACK_SRC) if (G_OBJECT_TYPE (this) == GST_TYPE_JACK_SRC)
this->direction = GST_PAD_SRC; this->direction = GST_PAD_SRC;
else if (G_OBJECT_TYPE (this) == GST_TYPE_JACK_SINK) else if (G_OBJECT_TYPE (this) == GST_TYPE_JACK_SINK)
this->direction = GST_PAD_SINK; this->direction = GST_PAD_SINK;
else else
g_assert_not_reached (); g_assert_not_reached ();
gst_element_set_loop_function (GST_ELEMENT (this), gst_jack_loop); gst_element_set_loop_function (GST_ELEMENT (this), gst_jack_loop);
} }
static void static void
gst_jack_set_property(GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) gst_jack_set_property (GObject * object, guint prop_id, const GValue * value,
GParamSpec * pspec)
{ {
GstJack *this = (GstJack*)object; GstJack *this = (GstJack *) object;
switch (prop_id) { switch (prop_id) {
case ARG_PORT_NAME_PREFIX: case ARG_PORT_NAME_PREFIX:
if (this->port_name_prefix) if (this->port_name_prefix)
g_free (this->port_name_prefix); g_free (this->port_name_prefix);
this->port_name_prefix = g_strdup (g_value_get_string (value)); this->port_name_prefix = g_strdup (g_value_get_string (value));
break; break;
default: default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
return; return;
} }
} }
static void static void
gst_jack_get_property(GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) gst_jack_get_property (GObject * object, guint prop_id, GValue * value,
GParamSpec * pspec)
{ {
GstJack *this = (GstJack*)object; GstJack *this = (GstJack *) object;
switch (prop_id) { switch (prop_id) {
case ARG_PORT_NAME_PREFIX: case ARG_PORT_NAME_PREFIX:
g_value_set_string (value, this->port_name_prefix); g_value_set_string (value, this->port_name_prefix);
break; break;
default: default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break; break;
} }
} }
static GstPadTemplate* static GstPadTemplate *
gst_jack_src_request_pad_factory (void) gst_jack_src_request_pad_factory (void)
{ {
static GstPadTemplate *template = NULL; static GstPadTemplate *template = NULL;
if (!template) { if (!template) {
GstCaps *caps; GstCaps *caps;
caps = gst_caps_from_string (GST_AUDIO_FLOAT_STANDARD_PAD_TEMPLATE_CAPS);
template = gst_pad_template_new ("%s", GST_PAD_SRC, caps = gst_caps_from_string (GST_AUDIO_FLOAT_STANDARD_PAD_TEMPLATE_CAPS);
GST_PAD_REQUEST, caps); template = gst_pad_template_new ("%s", GST_PAD_SRC, GST_PAD_REQUEST, caps);
} }
return template; return template;
} }
static GstPadTemplate* static GstPadTemplate *
gst_jack_sink_request_pad_factory (void) gst_jack_sink_request_pad_factory (void)
{ {
static GstPadTemplate *template = NULL; static GstPadTemplate *template = NULL;
if (!template) { if (!template) {
GstCaps *caps; GstCaps *caps;
caps = gst_caps_from_string (GST_AUDIO_FLOAT_STANDARD_PAD_TEMPLATE_CAPS);
template = gst_pad_template_new ("%s", GST_PAD_SINK, caps = gst_caps_from_string (GST_AUDIO_FLOAT_STANDARD_PAD_TEMPLATE_CAPS);
GST_PAD_REQUEST, caps); template = gst_pad_template_new ("%s", GST_PAD_SINK, GST_PAD_REQUEST, caps);
} }
return template; return template;
} }
static GstPad* static GstPad *
gst_jack_request_new_pad (GstElement *element, GstPadTemplate *templ, const gchar *name) gst_jack_request_new_pad (GstElement * element, GstPadTemplate * templ,
const gchar * name)
{ {
GstJack *this; GstJack *this;
gchar *newname; gchar *newname;
GList *l, **pad_list; GList *l, **pad_list;
GstJackPad *pad; GstJackPad *pad;
gint count; gint count;
g_return_val_if_fail ((this = GST_JACK (element)), NULL); g_return_val_if_fail ((this = GST_JACK (element)), NULL);
if (!this->bin) if (!this->bin)
pad_list = &this->pads; pad_list = &this->pads;
else if (this->direction == GST_PAD_SRC) else if (this->direction == GST_PAD_SRC)
pad_list = &this->bin->src_pads; pad_list = &this->bin->src_pads;
else else
pad_list = &this->bin->sink_pads; pad_list = &this->bin->sink_pads;
if (name) { if (name) {
l = *pad_list; l = *pad_list;
while (l) { while (l) {
if (strcmp (GST_JACK_PAD(l)->name, name) == 0) { if (strcmp (GST_JACK_PAD (l)->name, name) == 0) {
g_warning("requested port name %s already in use.", name); g_warning ("requested port name %s already in use.", name);
return NULL; return NULL;
} }
l = l->next; l = l->next;
}
newname = g_strdup (name);
} else {
if (this->direction == GST_PAD_SINK)
newname = g_strdup ("alsa_pcm:playback_1");
else
newname = g_strdup ("alsa_pcm:capture_1");
} }
newname = g_strdup (name);
pad = g_new0 (GstJackPad, 1); } else {
if (this->direction == GST_PAD_SINK)
if (!port_name_counts) newname = g_strdup ("alsa_pcm:playback_1");
port_name_counts = g_hash_table_new (g_str_hash, g_str_equal); else
newname = g_strdup ("alsa_pcm:capture_1");
}
count = GPOINTER_TO_INT (g_hash_table_lookup (port_name_counts, this->port_name_prefix)); pad = g_new0 (GstJackPad, 1);
g_hash_table_insert (port_name_counts, g_strdup (this->port_name_prefix), GINT_TO_POINTER (count+1));
pad->name = g_strdup_printf ("%s%d", this->port_name_prefix, count); if (!port_name_counts)
port_name_counts = g_hash_table_new (g_str_hash, g_str_equal);
pad->peer_name = newname; count =
pad->pad = gst_pad_new_from_template (templ, newname); GPOINTER_TO_INT (g_hash_table_lookup (port_name_counts,
gst_element_add_pad (GST_ELEMENT (this), pad->pad); this->port_name_prefix));
gst_pad_set_link_function (pad->pad, gst_jack_link); g_hash_table_insert (port_name_counts, g_strdup (this->port_name_prefix),
GINT_TO_POINTER (count + 1));
this->pads = g_list_append (this->pads, pad);
pad->name = g_strdup_printf ("%s%d", this->port_name_prefix, count);
g_print ("returning from request_new_pad, pad %s created, to connect to %s\n", pad->name, pad->peer_name);
return pad->pad; pad->peer_name = newname;
pad->pad = gst_pad_new_from_template (templ, newname);
gst_element_add_pad (GST_ELEMENT (this), pad->pad);
gst_pad_set_link_function (pad->pad, gst_jack_link);
this->pads = g_list_append (this->pads, pad);
g_print ("returning from request_new_pad, pad %s created, to connect to %s\n",
pad->name, pad->peer_name);
return pad->pad;
} }
static GstElementStateReturn static GstElementStateReturn
gst_jack_change_state (GstElement *element) gst_jack_change_state (GstElement * element)
{ {
GstJack *this; GstJack *this;
GList *l = NULL, **pads; GList *l = NULL, **pads;
GstJackPad *pad; GstJackPad *pad;
GstCaps *caps; GstCaps *caps;
g_return_val_if_fail (element != NULL, FALSE); g_return_val_if_fail (element != NULL, FALSE);
this = GST_JACK (element); this = GST_JACK (element);
switch (GST_STATE_PENDING (element)) { switch (GST_STATE_PENDING (element)) {
case GST_STATE_NULL: case GST_STATE_NULL:
JACK_DEBUG ("%s: NULL", GST_OBJECT_NAME (GST_OBJECT (this))); JACK_DEBUG ("%s: NULL", GST_OBJECT_NAME (GST_OBJECT (this)));
break;
break;
case GST_STATE_READY: case GST_STATE_READY:
JACK_DEBUG ("%s: READY", GST_OBJECT_NAME (GST_OBJECT (this))); JACK_DEBUG ("%s: READY", GST_OBJECT_NAME (GST_OBJECT (this)));
if (!this->bin) { if (!this->bin) {
if (!(this->bin = (GstJackBin*)gst_element_get_managing_bin (element)) if (!(this->bin = (GstJackBin *) gst_element_get_managing_bin (element))
|| !GST_IS_JACK_BIN (this->bin)) { || !GST_IS_JACK_BIN (this->bin)) {
this->bin = NULL; this->bin = NULL;
g_warning ("jack element %s needs to be contained in a jack bin.", g_warning ("jack element %s needs to be contained in a jack bin.",
GST_OBJECT_NAME (element)); GST_OBJECT_NAME (element));
return GST_STATE_FAILURE; return GST_STATE_FAILURE;
} }
/* fixme: verify that all names are unique */
l = this->pads;
pads =
(this->direction ==
GST_PAD_SRC) ? &this->bin->src_pads : &this->bin->sink_pads;
while (l) {
pad = GST_JACK_PAD (l);
JACK_DEBUG ("%s: appending pad %s:%s to list", GST_OBJECT_NAME (this),
pad->name, pad->peer_name);
*pads = g_list_append (*pads, pad);
l = g_list_next (l);
}
}
break;
/* fixme: verify that all names are unique */
l = this->pads;
pads = (this->direction == GST_PAD_SRC) ? &this->bin->src_pads : &this->bin->sink_pads;
while (l) {
pad = GST_JACK_PAD (l);
JACK_DEBUG ("%s: appending pad %s:%s to list", GST_OBJECT_NAME (this), pad->name, pad->peer_name);
*pads = g_list_append (*pads, pad);
l = g_list_next (l);
}
}
break;
case GST_STATE_PAUSED: case GST_STATE_PAUSED:
JACK_DEBUG ("%s: PAUSED", GST_OBJECT_NAME (GST_OBJECT (this))); JACK_DEBUG ("%s: PAUSED", GST_OBJECT_NAME (GST_OBJECT (this)));
if (GST_STATE (element) == GST_STATE_READY) { if (GST_STATE (element) == GST_STATE_READY) {
/* we're in READY->PAUSED */ /* we're in READY->PAUSED */
l = this->pads; l = this->pads;
while (l) { while (l) {
pad = GST_JACK_PAD (l); pad = GST_JACK_PAD (l);
caps = gst_caps_copy (gst_pad_get_negotiated_caps (pad->pad)); caps = gst_caps_copy (gst_pad_get_negotiated_caps (pad->pad));
gst_caps_set_simple (caps, gst_caps_set_simple (caps,
"rate", G_TYPE_INT, (int)this->bin->rate, "rate", G_TYPE_INT, (int) this->bin->rate,
"buffer-frames", G_TYPE_INT, (gint)this->bin->nframes, "buffer-frames", G_TYPE_INT, (gint) this->bin->nframes, NULL);
NULL); if (gst_pad_try_set_caps (pad->pad, caps) <= 0)
if (gst_pad_try_set_caps (pad->pad, caps) <= 0) return GST_STATE_FAILURE;
return GST_STATE_FAILURE; l = g_list_next (l);
l = g_list_next (l); }
} }
} break;
break;
case GST_STATE_PLAYING: case GST_STATE_PLAYING:
JACK_DEBUG ("%s: PLAYING", GST_OBJECT_NAME (GST_OBJECT (this))); JACK_DEBUG ("%s: PLAYING", GST_OBJECT_NAME (GST_OBJECT (this)));
break; break;
} }
JACK_DEBUG ("%s: state change finished", GST_OBJECT_NAME (this));
if (GST_ELEMENT_CLASS (parent_class)->change_state)
return GST_ELEMENT_CLASS (parent_class)->change_state (element);
return GST_STATE_SUCCESS; JACK_DEBUG ("%s: state change finished", GST_OBJECT_NAME (this));
if (GST_ELEMENT_CLASS (parent_class)->change_state)
return GST_ELEMENT_CLASS (parent_class)->change_state (element);
return GST_STATE_SUCCESS;
} }
static GstPadLinkReturn static GstPadLinkReturn
gst_jack_link (GstPad *pad, const GstCaps *caps) gst_jack_link (GstPad * pad, const GstCaps * caps)
{ {
GstJack *this; GstJack *this;
gint rate, buffer_frames; gint rate, buffer_frames;
GstStructure *structure; GstStructure *structure;
this = GST_JACK (GST_OBJECT_PARENT (pad)); this = GST_JACK (GST_OBJECT_PARENT (pad));
structure = gst_caps_get_structure (caps, 0); structure = gst_caps_get_structure (caps, 0);
gst_structure_get_int (structure, "rate", &rate); gst_structure_get_int (structure, "rate", &rate);
gst_structure_get_int (structure, "buffer-frames", &buffer_frames); gst_structure_get_int (structure, "buffer-frames", &buffer_frames);
if (this->bin && (rate != this->bin->rate || if (this->bin && (rate != this->bin->rate ||
buffer_frames != this->bin->nframes)) buffer_frames != this->bin->nframes))
return GST_PAD_LINK_REFUSED; return GST_PAD_LINK_REFUSED;
return GST_PAD_LINK_OK; return GST_PAD_LINK_OK;
} }
static void static void
gst_jack_loop (GstElement *element) gst_jack_loop (GstElement * element)
{ {
GstJack *this; GstJack *this;
GList *pads; GList *pads;
gint len; gint len;
GstJackPad *pad; GstJackPad *pad;
GstBuffer *buffer; GstBuffer *buffer;
this = GST_JACK (element);
len = this->bin->nframes * sizeof (sample_t);
pads = this->pads;
while (pads) {
pad = GST_JACK_PAD (pads);
if (this->direction == GST_PAD_SINK) {
buffer = GST_BUFFER (gst_pad_pull (pad->pad));
if (GST_IS_EVENT (buffer)) {
GstEvent *event = GST_EVENT (buffer);
switch (GST_EVENT_TYPE (buffer)) {
case GST_EVENT_EOS:
gst_element_set_eos (element);
gst_event_unref (event);
return;
default:
gst_pad_event_default (pad->pad, event);
return;
}
}
/* if the other plugins only give out buffer-frames or less (as
they should), if the length of the GstBuffer is different
from nframes then the buffer is short and we will get EOS
next */
memcpy (pad->data, GST_BUFFER_DATA (buffer),
GST_BUFFER_SIZE (buffer));
if (len != GST_BUFFER_SIZE (buffer))
memset (pad->data + GST_BUFFER_SIZE (buffer), 0,
len - GST_BUFFER_SIZE (buffer));
gst_buffer_unref (buffer); this = GST_JACK (element);
} else {
buffer = gst_buffer_new (); len = this->bin->nframes * sizeof (sample_t);
gst_buffer_set_data (buffer, pad->data, len);
GST_BUFFER_FLAG_SET(buffer, GST_BUFFER_DONTFREE); pads = this->pads;
while (pads) {
gst_pad_push (pad->pad, GST_DATA (buffer)); pad = GST_JACK_PAD (pads);
}
pads = g_list_next (pads); if (this->direction == GST_PAD_SINK) {
buffer = GST_BUFFER (gst_pad_pull (pad->pad));
if (GST_IS_EVENT (buffer)) {
GstEvent *event = GST_EVENT (buffer);
switch (GST_EVENT_TYPE (buffer)) {
case GST_EVENT_EOS:
gst_element_set_eos (element);
gst_event_unref (event);
return;
default:
gst_pad_event_default (pad->pad, event);
return;
}
}
/* if the other plugins only give out buffer-frames or less (as
they should), if the length of the GstBuffer is different
from nframes then the buffer is short and we will get EOS
next */
memcpy (pad->data, GST_BUFFER_DATA (buffer), GST_BUFFER_SIZE (buffer));
if (len != GST_BUFFER_SIZE (buffer))
memset (pad->data + GST_BUFFER_SIZE (buffer), 0,
len - GST_BUFFER_SIZE (buffer));
gst_buffer_unref (buffer);
} else {
buffer = gst_buffer_new ();
gst_buffer_set_data (buffer, pad->data, len);
GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_DONTFREE);
gst_pad_push (pad->pad, GST_DATA (buffer));
} }
pads = g_list_next (pads);
}
} }
static gboolean static gboolean
plugin_init (GstPlugin *plugin) plugin_init (GstPlugin * plugin)
{ {
if (!gst_element_register (plugin, "jackbin", GST_RANK_NONE, GST_TYPE_JACK_BIN)) if (!gst_element_register (plugin, "jackbin", GST_RANK_NONE,
GST_TYPE_JACK_BIN))
return FALSE; return FALSE;
if (!gst_element_register (plugin, "jacksrc", GST_RANK_NONE, GST_TYPE_JACK_SRC)) if (!gst_element_register (plugin, "jacksrc", GST_RANK_NONE,
GST_TYPE_JACK_SRC))
return FALSE; return FALSE;
if (!gst_element_register (plugin, "jacksink", GST_RANK_NONE, GST_TYPE_JACK_SINK)) if (!gst_element_register (plugin, "jacksink", GST_RANK_NONE,
GST_TYPE_JACK_SINK))
return FALSE; return FALSE;
return TRUE; return TRUE;
} }
GST_PLUGIN_DEFINE ( GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
GST_VERSION_MAJOR, GST_VERSION_MINOR,
GST_VERSION_MINOR, "jack",
"jack", "Jack Plugin Library", plugin_init, VERSION, "GPL", GST_PACKAGE, GST_ORIGIN)
"Jack Plugin Library",
plugin_init,
VERSION,
"GPL",
GST_PACKAGE,
GST_ORIGIN)

72
ext/jack/gstjack.h
View file

@ -51,7 +51,7 @@
#define GST_IS_JACK_BIN_CLASS(klass) G_TYPE_CHECK_CLASS_TYPE(klass, 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_TYPE_JACK_BIN gst_jack_bin_get_type()
#define GST_JACK_PAD(l) ((GstJackPad*)l->data) /* l is a GList */ #define GST_JACK_PAD(l) ((GstJackPad*)l->data) /* l is a GList */
typedef struct _GstJack GstJack; typedef struct _GstJack GstJack;
@ -64,59 +64,65 @@ typedef GstJack GstJackSrc;
typedef GstJackClass GstJackSrcClass; typedef GstJackClass GstJackSrcClass;
enum { enum
GST_JACK_OPEN = GST_BIN_FLAG_LAST, {
GST_JACK_ACTIVE, GST_JACK_OPEN = GST_BIN_FLAG_LAST,
GST_JACK_FLAG_LAST = GST_BIN_FLAG_LAST + 3, GST_JACK_ACTIVE,
GST_JACK_FLAG_LAST = GST_BIN_FLAG_LAST + 3,
}; };
typedef jack_default_audio_sample_t sample_t; typedef jack_default_audio_sample_t sample_t;
typedef struct { typedef struct
GstPad *pad; {
void *data; GstPad *pad;
const gchar *name; void *data;
const gchar *peer_name; const gchar *name;
jack_port_t *port; const gchar *peer_name;
jack_port_t *port;
} GstJackPad; } GstJackPad;
struct _GstJack { struct _GstJack
GstElement element; {
GstElement element;
/* list of GstJackPads */ /* list of GstJackPads */
GList *pads; GList *pads;
/* for convenience */ /* for convenience */
GstPadDirection direction; GstPadDirection direction;
gchar *port_name_prefix; gchar *port_name_prefix;
GstJackBin *bin; GstJackBin *bin;
}; };
struct _GstJackClass { struct _GstJackClass
GstElementClass parent_class; {
GstElementClass parent_class;
}; };
struct _GstJackBin { struct _GstJackBin
GstBin bin; {
GstBin bin;
jack_client_t *client; jack_client_t *client;
gint default_new_port_number; gint default_new_port_number;
/* lists of GstJackPads */ /* lists of GstJackPads */
GList *sink_pads; GList *sink_pads;
GList *src_pads; GList *src_pads;
gchar *client_name; gchar *client_name;
guint rate; guint rate;
jack_nframes_t nframes; jack_nframes_t nframes;
}; };
struct _GstJackBinClass { struct _GstJackBinClass
GstBinClass parent_class; {
GstBinClass parent_class;
}; };

448
ext/jack/gstjackbin.c
View file

@ -29,10 +29,10 @@
static GstBinClass *parent_class = NULL; static GstBinClass *parent_class = NULL;
static void gst_jack_bin_init(GstJackBin *this); static void gst_jack_bin_init (GstJackBin * this);
static void gst_jack_bin_class_init(GstJackBinClass *klass); 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 */ /* jack callbacks */
static int process (jack_nframes_t nframes, void *arg); 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. */ * so set the state of the bin to READY. */
GType GType
gst_jack_bin_get_type (void) gst_jack_bin_get_type (void)
{ {
static GType jack_bin_type = 0; static GType jack_bin_type = 0;
if (!jack_bin_type) {
static const GTypeInfo jack_bin_info = { if (!jack_bin_type) {
sizeof(GstJackBinClass), static const GTypeInfo jack_bin_info = {
NULL, sizeof (GstJackBinClass),
NULL, NULL,
(GClassInitFunc)gst_jack_bin_class_init, NULL,
NULL, (GClassInitFunc) gst_jack_bin_class_init,
NULL, NULL,
sizeof(GstJackBin), NULL,
0, sizeof (GstJackBin),
(GInstanceInitFunc)gst_jack_bin_init, 0,
}; (GInstanceInitFunc) gst_jack_bin_init,
jack_bin_type = g_type_register_static (GST_TYPE_BIN, "GstJackBin", &jack_bin_info, 0); };
} jack_bin_type =
return jack_bin_type; g_type_register_static (GST_TYPE_BIN, "GstJackBin", &jack_bin_info, 0);
}
return jack_bin_type;
} }
static void static void
gst_jack_bin_class_init(GstJackBinClass *klass) gst_jack_bin_class_init (GstJackBinClass * klass)
{ {
GObjectClass *object_class; GObjectClass *object_class;
GstElementClass *element_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; 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 static void
gst_jack_bin_init(GstJackBin *this) gst_jack_bin_init (GstJackBin * this)
{ {
GST_DEBUG ("initializing jack bin"); GST_DEBUG ("initializing jack bin");
/* jack bins are managing bins and iterate themselves */ /* jack bins are managing bins and iterate themselves */
GST_FLAG_SET (this, GST_BIN_FLAG_MANAGER); GST_FLAG_SET (this, GST_BIN_FLAG_MANAGER);
GST_FLAG_SET (this, GST_BIN_SELF_SCHEDULABLE); GST_FLAG_SET (this, GST_BIN_SELF_SCHEDULABLE);
/* make a new scheduler and associate it with the bin */ /* make a new scheduler and associate it with the bin */
gst_scheduler_factory_make (NULL, GST_ELEMENT (this)); gst_scheduler_factory_make (NULL, GST_ELEMENT (this));
} }
static GstElementStateReturn static GstElementStateReturn
gst_jack_bin_change_state (GstElement *element) gst_jack_bin_change_state (GstElement * element)
{ {
GstJackBin *this; GstJackBin *this;
GList *l = NULL; GList *l = NULL;
GstJackPad *pad; GstJackPad *pad;
g_return_val_if_fail (element != NULL, FALSE); g_return_val_if_fail (element != NULL, FALSE);
this = GST_JACK_BIN (element); this = GST_JACK_BIN (element);
switch (GST_STATE_PENDING (element)) { switch (GST_STATE_PENDING (element)) {
case GST_STATE_NULL: case GST_STATE_NULL:
JACK_DEBUG ("jackbin: NULL state"); JACK_DEBUG ("jackbin: NULL state");
if (this->client) { if (this->client) {
JACK_DEBUG ("jackbin: closing client"); JACK_DEBUG ("jackbin: closing client");
jack_client_close (this->client); jack_client_close (this->client);
this->client = NULL; this->client = NULL;
} }
if (_jackbin) if (_jackbin)
signal (SIGHUP, SIG_DFL); signal (SIGHUP, SIG_DFL);
_jackbin = NULL; _jackbin = NULL;
if (GST_ELEMENT_CLASS (parent_class)->change_state)
return GST_ELEMENT_CLASS (parent_class)->change_state (element);
break;
if (GST_ELEMENT_CLASS (parent_class)->change_state)
return GST_ELEMENT_CLASS (parent_class)->change_state (element);
break;
case GST_STATE_READY: case GST_STATE_READY:
JACK_DEBUG ("jackbin: READY"); JACK_DEBUG ("jackbin: READY");
_jackbin = this; _jackbin = this;
signal (SIGHUP, sighup_handler); signal (SIGHUP, sighup_handler);
if (!this->client) { if (!this->client) {
if (!(this->client = jack_client_new ("gst-jack"))) { if (!(this->client = jack_client_new ("gst-jack"))) {
g_warning ("jack server not running?"); g_warning ("jack server not running?");
return GST_STATE_FAILURE; return GST_STATE_FAILURE;
} }
gst_scheduler_setup (GST_ELEMENT_SCHED (this));
jack_set_process_callback (this->client, process, this); gst_scheduler_setup (GST_ELEMENT_SCHED (this));
jack_set_sample_rate_callback (this->client, sample_rate, this);
jack_set_buffer_size_callback (this->client, buffer_size, this); jack_set_process_callback (this->client, process, this);
this->nframes = jack_get_buffer_size (this->client); jack_set_sample_rate_callback (this->client, sample_rate, this);
jack_on_shutdown (this->client, shutdown, 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) { if (GST_FLAG_IS_SET (GST_OBJECT (this), GST_JACK_OPEN)) {
JACK_DEBUG ("jackbin: unregistering pad %s:%s", GST_JACK_PAD (l)->name, GST_JACK_PAD (l)->peer_name); l = this->src_pads;
jack_port_unregister (this->client, GST_JACK_PAD (l)->port); while (l) {
l = g_list_next (l); JACK_DEBUG ("jackbin: unregistering pad %s:%s",
} GST_JACK_PAD (l)->name, GST_JACK_PAD (l)->peer_name);
l = this->sink_pads; jack_port_unregister (this->client, GST_JACK_PAD (l)->port);
while (l) { l = g_list_next (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 = this->sink_pads;
l = g_list_next (l); while (l) {
} JACK_DEBUG ("jackbin: unregistering pad %s:%s",
GST_FLAG_UNSET (GST_OBJECT (this), GST_JACK_OPEN); 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;
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: case GST_STATE_PAUSED:
JACK_DEBUG ("jackbin: 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_OPEN)) {
if (!GST_FLAG_IS_SET (GST_OBJECT (this), GST_JACK_ACTIVE)) { l = this->src_pads;
JACK_DEBUG ("jackbin: activating client"); while (l) {
jack_activate (this->client); pad = GST_JACK_PAD (l);
GST_FLAG_SET (GST_OBJECT (this), GST_JACK_ACTIVE); 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);
}
l = this->src_pads; /* must activate before connecting */
while (l) { if (!GST_FLAG_IS_SET (GST_OBJECT (this), GST_JACK_ACTIVE)) {
pad = GST_JACK_PAD (l); JACK_DEBUG ("jackbin: activating client");
JACK_DEBUG ("connecting jack port %s to gst jack port %s", pad->peer_name, jack_port_name (pad->port)); jack_activate (this->client);
if (jack_connect (this->client, pad->peer_name, jack_port_name (pad->port))) { GST_FLAG_SET (GST_OBJECT (this), GST_JACK_ACTIVE);
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"); l = this->src_pads;
GST_FLAG_SET (GST_OBJECT (this), GST_JACK_OPEN); 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);
}
if (GST_ELEMENT_CLASS (parent_class)->change_state) JACK_DEBUG ("jackbin: setting OPEN flag");
return GST_ELEMENT_CLASS (parent_class)->change_state (element); GST_FLAG_SET (GST_OBJECT (this), GST_JACK_OPEN);
} else {
if (GST_ELEMENT_CLASS (parent_class)->change_state)
return GST_ELEMENT_CLASS (parent_class)->change_state (element);
}
break; 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: case GST_STATE_PLAYING:
JACK_DEBUG ("jackbin: PLAYING"); JACK_DEBUG ("jackbin: PLAYING");
if (GST_ELEMENT_CLASS (parent_class)->change_state) if (GST_ELEMENT_CLASS (parent_class)->change_state)
return GST_ELEMENT_CLASS (parent_class)->change_state (element); return GST_ELEMENT_CLASS (parent_class)->change_state (element);
break; break;
} }
JACK_DEBUG ("jackbin: state change finished"); JACK_DEBUG ("jackbin: state change finished");
return GST_STATE_SUCCESS; return GST_STATE_SUCCESS;
} }
/* jack callbacks */ /* jack callbacks */
@ -247,76 +264,79 @@ gst_jack_bin_change_state (GstElement *element)
static int static int
process (jack_nframes_t nframes, void *arg) process (jack_nframes_t nframes, void *arg)
{ {
GstJackBin *bin = (GstJackBin*) arg; GstJackBin *bin = (GstJackBin *) arg;
GstJackPad *pad; GstJackPad *pad;
GList *l; GList *l;
g_assert (bin);
JACK_DEBUG ("jackbin: process()");
if (GST_STATE (bin) != GST_STATE_PLAYING) { g_assert (bin);
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; JACK_DEBUG ("jackbin: process()");
while (l) {
pad = GST_JACK_PAD (l); if (GST_STATE (bin) != GST_STATE_PLAYING) {
pad->data = jack_port_get_buffer (pad->port, nframes); JACK_DEBUG ("jackbin: bin is not PLAYING yet, returning");
l = g_list_next (l); return 0;
} } else {
JACK_DEBUG ("jackbin: we are PLAYING, let's process()");
l = bin->sink_pads; }
while (l) {
pad = GST_JACK_PAD (l); l = bin->src_pads;
pad->data = jack_port_get_buffer (pad->port, nframes); while (l) {
l = g_list_next (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); l = bin->sink_pads;
if (!gst_bin_iterate (GST_BIN (bin))) { while (l) {
g_warning ("bin failed to iterate"); pad = GST_JACK_PAD (l);
return -1; pad->data = jack_port_get_buffer (pad->port, nframes);
} l = g_list_next (l);
}
/* that's all folks */
bin->nframes = nframes;
return 0;
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 static int
sample_rate (jack_nframes_t nframes, void *arg) sample_rate (jack_nframes_t nframes, void *arg)
{ {
GstJackBin *bin = (GstJackBin*) arg; GstJackBin *bin = (GstJackBin *) arg;
JACK_DEBUG ("the sample rate is now %lu/sec\n", nframes);
bin->rate = nframes; JACK_DEBUG ("the sample rate is now %lu/sec\n", nframes);
return 0; bin->rate = nframes;
return 0;
} }
static int static int
buffer_size (jack_nframes_t nframes, void *arg) buffer_size (jack_nframes_t nframes, void *arg)
{ {
GstJackBin *bin = (GstJackBin*) arg; GstJackBin *bin = (GstJackBin *) arg;
JACK_DEBUG ("the buffer size is now %lu\n", nframes);
bin->nframes = nframes; JACK_DEBUG ("the buffer size is now %lu\n", nframes);
return 0; bin->nframes = nframes;
return 0;
} }
static void static void
shutdown (void *arg) shutdown (void *arg)
{ {
/* GstJackClient *client = (GstJackClient*) 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); */ /* 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"); g_message ("got sighup, setting state to READY");
watchdog_please_set_the_jackbin_to_ready = TRUE; watchdog_please_set_the_jackbin_to_ready = TRUE;
} }