/* elementfactory information */
static GstElementDetails gst_jack_bin_details = {
- "Jack Bin",
- "Generic/Bin",
- "Jack processing bin",
- "Andy Wingo <wingo@pobox.com>",
+ "Jack Bin",
+ "Generic/Bin",
+ "Jack processing bin",
+ "Andy Wingo <wingo@pobox.com>",
};
-static GstElementDetails gst_jack_sink_details = {
- "Jack Sink",
- "Sink/Audio",
- "Output to a Jack processing network",
- "Andy Wingo <wingo@pobox.com>",
+static GstElementDetails gst_jack_sink_details = {
+ "Jack Sink",
+ "Sink/Audio",
+ "Output to a Jack processing network",
+ "Andy Wingo <wingo@pobox.com>",
};
-static GstElementDetails gst_jack_src_details = {
- "Jack Src",
- "Source/Audio",
- "Input from a Jack processing network",
- "Andy Wingo <wingo@pobox.com>",
+static GstElementDetails gst_jack_src_details = {
+ "Jack Src",
+ "Source/Audio",
+ "Input from a Jack processing network",
+ "Andy Wingo <wingo@pobox.com>",
};
static GHashTable *port_name_counts = NULL;
static GstElementClass *parent_class = NULL;
-static void gst_jack_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_init(GstJack *this);
-static void gst_jack_class_init(GstJackClass *klass);
-static void gst_jack_set_property (GObject *object, guint prop_id,
- const GValue *value, GParamSpec *pspec);
-static void gst_jack_get_property (GObject *object, guint prop_id,
- GValue *value, GParamSpec *pspec);
-
-static GstPadTemplate* gst_jack_src_request_pad_factory();
-static GstPadTemplate* gst_jack_sink_request_pad_factory();
-static GstPad* gst_jack_request_new_pad (GstElement *element, GstPadTemplate *templ,
- const gchar *name);
-static GstElementStateReturn gst_jack_change_state (GstElement *element);
-static GstPadLinkReturn gst_jack_link (GstPad *pad, const GstCaps *caps);
-
-static void gst_jack_loop (GstElement *element);
-
-
-enum {
- ARG_0,
- ARG_PORT_NAME_PREFIX,
+static void gst_jack_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_init (GstJack * this);
+static void gst_jack_class_init (GstJackClass * klass);
+static void gst_jack_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec);
+static void gst_jack_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec);
+
+static GstPadTemplate *gst_jack_src_request_pad_factory ();
+static GstPadTemplate *gst_jack_sink_request_pad_factory ();
+static GstPad *gst_jack_request_new_pad (GstElement * element,
+ GstPadTemplate * templ, const gchar * name);
+static GstElementStateReturn gst_jack_change_state (GstElement * element);
+static GstPadLinkReturn gst_jack_link (GstPad * pad, const GstCaps * caps);
+
+static void gst_jack_loop (GstElement * element);
+
+
+enum
+{
+ ARG_0,
+ ARG_PORT_NAME_PREFIX,
};
GType
-gst_jack_get_type (void)
+gst_jack_get_type (void)
{
static GType jack_type = 0;
if (!jack_type) {
static const GTypeInfo jack_info = {
- sizeof(GstJackClass),
+ sizeof (GstJackClass),
gst_jack_base_init,
NULL,
NULL,
NULL,
NULL,
- sizeof(GstJack),
+ sizeof (GstJack),
0,
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;
}
GType
-gst_jack_sink_get_type (void)
+gst_jack_sink_get_type (void)
{
static GType jack_type = 0;
-
+
if (!jack_type) {
static const GTypeInfo jack_info = {
- sizeof(GstJackClass),
+ sizeof (GstJackClass),
gst_jack_sink_base_init,
NULL,
- (GClassInitFunc)gst_jack_class_init,
+ (GClassInitFunc) gst_jack_class_init,
NULL,
NULL,
- sizeof(GstJack),
+ sizeof (GstJack),
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;
}
GType
-gst_jack_src_get_type (void)
+gst_jack_src_get_type (void)
{
static GType jack_type = 0;
-
+
if (!jack_type) {
static const GTypeInfo jack_info = {
- sizeof(GstJackClass),
+ sizeof (GstJackClass),
gst_jack_src_base_init,
NULL,
- (GClassInitFunc)gst_jack_class_init,
+ (GClassInitFunc) gst_jack_class_init,
NULL,
NULL,
- sizeof(GstJack),
+ sizeof (GstJack),
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;
}
{
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);
}
{
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);
}
static void
-gst_jack_class_init(GstJackClass *klass)
+gst_jack_class_init (GstJackClass * klass)
{
- GObjectClass *object_class;
- GstElementClass *element_class;
- GParamSpec *pspec;
- 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;
-
- element_class->request_new_pad = gst_jack_request_new_pad;
+ GObjectClass *object_class;
+ GstElementClass *element_class;
+ GParamSpec *pspec;
+ 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;
+
+ element_class->request_new_pad = gst_jack_request_new_pad;
}
static void
-gst_jack_init(GstJack *this)
+gst_jack_init (GstJack * this)
{
- if (G_OBJECT_TYPE (this) == GST_TYPE_JACK_SRC)
- this->direction = GST_PAD_SRC;
- else if (G_OBJECT_TYPE (this) == GST_TYPE_JACK_SINK)
- this->direction = GST_PAD_SINK;
- else
- g_assert_not_reached ();
-
- gst_element_set_loop_function (GST_ELEMENT (this), gst_jack_loop);
+ if (G_OBJECT_TYPE (this) == GST_TYPE_JACK_SRC)
+ this->direction = GST_PAD_SRC;
+ else if (G_OBJECT_TYPE (this) == GST_TYPE_JACK_SINK)
+ this->direction = GST_PAD_SINK;
+ else
+ g_assert_not_reached ();
+
+ gst_element_set_loop_function (GST_ELEMENT (this), gst_jack_loop);
}
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:
- if (this->port_name_prefix)
- g_free (this->port_name_prefix);
- this->port_name_prefix = g_strdup (g_value_get_string (value));
- break;
+ if (this->port_name_prefix)
+ g_free (this->port_name_prefix);
+ this->port_name_prefix = g_strdup (g_value_get_string (value));
+ break;
default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- return;
- }
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ return;
+ }
}
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:
- g_value_set_string (value, this->port_name_prefix);
- break;
+ g_value_set_string (value, this->port_name_prefix);
+ break;
default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
}
-static GstPadTemplate*
+static GstPadTemplate *
gst_jack_src_request_pad_factory (void)
{
- static GstPadTemplate *template = NULL;
-
- if (!template) {
- GstCaps *caps;
- caps = gst_caps_from_string (GST_AUDIO_FLOAT_STANDARD_PAD_TEMPLATE_CAPS);
- template = gst_pad_template_new ("%s", GST_PAD_SRC,
- GST_PAD_REQUEST, caps);
- }
-
- return template;
+ static GstPadTemplate *template = NULL;
+
+ if (!template) {
+ GstCaps *caps;
+
+ caps = gst_caps_from_string (GST_AUDIO_FLOAT_STANDARD_PAD_TEMPLATE_CAPS);
+ template = gst_pad_template_new ("%s", GST_PAD_SRC, GST_PAD_REQUEST, caps);
+ }
+
+ return template;
}
-static GstPadTemplate*
+static GstPadTemplate *
gst_jack_sink_request_pad_factory (void)
{
- static GstPadTemplate *template = NULL;
-
- if (!template) {
- GstCaps *caps;
- caps = gst_caps_from_string (GST_AUDIO_FLOAT_STANDARD_PAD_TEMPLATE_CAPS);
- template = gst_pad_template_new ("%s", GST_PAD_SINK,
- GST_PAD_REQUEST, caps);
- }
-
- return template;
+ static GstPadTemplate *template = NULL;
+
+ if (!template) {
+ GstCaps *caps;
+
+ caps = gst_caps_from_string (GST_AUDIO_FLOAT_STANDARD_PAD_TEMPLATE_CAPS);
+ template = gst_pad_template_new ("%s", GST_PAD_SINK, GST_PAD_REQUEST, caps);
+ }
+
+ return template;
}
-static GstPad*
-gst_jack_request_new_pad (GstElement *element, GstPadTemplate *templ, const gchar *name)
+static GstPad *
+gst_jack_request_new_pad (GstElement * element, GstPadTemplate * templ,
+ const gchar * name)
{
- GstJack *this;
- gchar *newname;
- GList *l, **pad_list;
- GstJackPad *pad;
- gint count;
-
- g_return_val_if_fail ((this = GST_JACK (element)), NULL);
-
- if (!this->bin)
- pad_list = &this->pads;
- else if (this->direction == GST_PAD_SRC)
- pad_list = &this->bin->src_pads;
- else
- pad_list = &this->bin->sink_pads;
-
- if (name) {
- l = *pad_list;
- while (l) {
- if (strcmp (GST_JACK_PAD(l)->name, name) == 0) {
- g_warning("requested port name %s already in use.", name);
- return NULL;
- }
- 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");
+ GstJack *this;
+ gchar *newname;
+ GList *l, **pad_list;
+ GstJackPad *pad;
+ gint count;
+
+ g_return_val_if_fail ((this = GST_JACK (element)), NULL);
+
+ if (!this->bin)
+ pad_list = &this->pads;
+ else if (this->direction == GST_PAD_SRC)
+ pad_list = &this->bin->src_pads;
+ else
+ pad_list = &this->bin->sink_pads;
+
+ if (name) {
+ l = *pad_list;
+ while (l) {
+ if (strcmp (GST_JACK_PAD (l)->name, name) == 0) {
+ g_warning ("requested port name %s already in use.", name);
+ return NULL;
+ }
+ l = l->next;
}
-
- pad = g_new0 (GstJackPad, 1);
-
- if (!port_name_counts)
- port_name_counts = g_hash_table_new (g_str_hash, g_str_equal);
-
- count = GPOINTER_TO_INT (g_hash_table_lookup (port_name_counts, this->port_name_prefix));
- 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);
-
- 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;
+ 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");
+ }
+
+ pad = g_new0 (GstJackPad, 1);
+
+ if (!port_name_counts)
+ port_name_counts = g_hash_table_new (g_str_hash, g_str_equal);
+
+ count =
+ GPOINTER_TO_INT (g_hash_table_lookup (port_name_counts,
+ this->port_name_prefix));
+ 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);
+
+ 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
-gst_jack_change_state (GstElement *element)
+gst_jack_change_state (GstElement * element)
{
- GstJack *this;
- GList *l = NULL, **pads;
- GstJackPad *pad;
- GstCaps *caps;
-
- g_return_val_if_fail (element != NULL, FALSE);
- this = GST_JACK (element);
-
- switch (GST_STATE_PENDING (element)) {
+ GstJack *this;
+ GList *l = NULL, **pads;
+ GstJackPad *pad;
+ GstCaps *caps;
+
+ g_return_val_if_fail (element != NULL, FALSE);
+ this = GST_JACK (element);
+
+ switch (GST_STATE_PENDING (element)) {
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:
- JACK_DEBUG ("%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 (element));
- 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;
-
+ JACK_DEBUG ("%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 (element));
+ 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;
+
case GST_STATE_PAUSED:
- JACK_DEBUG ("%s: PAUSED", GST_OBJECT_NAME (GST_OBJECT (this)));
-
- if (GST_STATE (element) == GST_STATE_READY) {
- /* we're in READY->PAUSED */
- l = this->pads;
- while (l) {
- pad = GST_JACK_PAD (l);
- caps = gst_caps_copy (gst_pad_get_negotiated_caps (pad->pad));
- gst_caps_set_simple (caps,
- "rate", G_TYPE_INT, (int)this->bin->rate,
- "buffer-frames", G_TYPE_INT, (gint)this->bin->nframes,
- NULL);
- if (gst_pad_try_set_caps (pad->pad, caps) <= 0)
- return GST_STATE_FAILURE;
- l = g_list_next (l);
- }
- }
- break;
+ JACK_DEBUG ("%s: PAUSED", GST_OBJECT_NAME (GST_OBJECT (this)));
+
+ if (GST_STATE (element) == GST_STATE_READY) {
+ /* we're in READY->PAUSED */
+ l = this->pads;
+ while (l) {
+ pad = GST_JACK_PAD (l);
+ caps = gst_caps_copy (gst_pad_get_negotiated_caps (pad->pad));
+ gst_caps_set_simple (caps,
+ "rate", G_TYPE_INT, (int) this->bin->rate,
+ "buffer-frames", G_TYPE_INT, (gint) this->bin->nframes, NULL);
+ if (gst_pad_try_set_caps (pad->pad, caps) <= 0)
+ return GST_STATE_FAILURE;
+ l = g_list_next (l);
+ }
+ }
+ break;
case GST_STATE_PLAYING:
- JACK_DEBUG ("%s: PLAYING", GST_OBJECT_NAME (GST_OBJECT (this)));
- 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);
+ JACK_DEBUG ("%s: PLAYING", GST_OBJECT_NAME (GST_OBJECT (this)));
+ break;
+ }
+
+ JACK_DEBUG ("%s: state change finished", GST_OBJECT_NAME (this));
- return GST_STATE_SUCCESS;
+ if (GST_ELEMENT_CLASS (parent_class)->change_state)
+ return GST_ELEMENT_CLASS (parent_class)->change_state (element);
+
+ return GST_STATE_SUCCESS;
}
static GstPadLinkReturn
-gst_jack_link (GstPad *pad, const GstCaps *caps)
+gst_jack_link (GstPad * pad, const GstCaps * caps)
{
GstJack *this;
gint rate, buffer_frames;
GstStructure *structure;
-
+
this = GST_JACK (GST_OBJECT_PARENT (pad));
-
+
structure = gst_caps_get_structure (caps, 0);
- gst_structure_get_int (structure, "rate", &rate);
- gst_structure_get_int (structure, "buffer-frames", &buffer_frames);
+ gst_structure_get_int (structure, "rate", &rate);
+ gst_structure_get_int (structure, "buffer-frames", &buffer_frames);
if (this->bin && (rate != this->bin->rate ||
- buffer_frames != this->bin->nframes))
- return GST_PAD_LINK_REFUSED;
-
+ buffer_frames != this->bin->nframes))
+ return GST_PAD_LINK_REFUSED;
+
return GST_PAD_LINK_OK;
}
static void
-gst_jack_loop (GstElement *element)
+gst_jack_loop (GstElement * element)
{
- GstJack *this;
- GList *pads;
- gint len;
- GstJackPad *pad;
- 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);
- } 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);
+ GstJack *this;
+ GList *pads;
+ gint len;
+ GstJackPad *pad;
+ 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);
+ } 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
-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;
- 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;
- 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 TRUE;
}
-GST_PLUGIN_DEFINE (
- GST_VERSION_MAJOR,
- GST_VERSION_MINOR,
- "jack",
- "Jack Plugin Library",
- plugin_init,
- VERSION,
- "GPL",
- GST_PACKAGE,
- GST_ORIGIN)
+GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
+ GST_VERSION_MINOR,
+ "jack",
+ "Jack Plugin Library", plugin_init, VERSION, "GPL", GST_PACKAGE, GST_ORIGIN)
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);
* 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 */
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;
}
projects / platform / upstream / gstreamer.git / commitdiff