- add some streaminfo

Original commit message from CVS:
- add some streaminfo
- sort of add buttoninfo
- loop to get func
- fixup seek/flush a bit (still have a52dec problems though)
- add action signals for dvd menu button interaction
- misc cleanups
This commit is contained in:
David I. Lehn 2003-01-07 08:09:28 +00:00
parent 5e574f1894
commit 377d651470

View file

@ -29,6 +29,7 @@
#include "config.h"
#include <dvdnav/dvdnav.h>
#include <dvdread/nav_print.h>
#define GST_TYPE_DVDNAVSRC \
(dvdnavsrc_get_type())
@ -49,18 +50,27 @@ struct _DVDNavSrc {
/* pads */
GstPad *srcpad;
GstCaps *streaminfo;
/* location */
gchar *location;
gboolean new_seek;
gboolean did_seek;
gboolean need_flush;
GstBufferPool *bufferpool;
int title, chapter, angle;
dvdnav_t *dvdnav;
GstCaps *buttoninfo;
};
struct _DVDNavSrcClass {
GstElementClass parent_class;
void (*button_pressed) (DVDNavSrc *src, int button);
void (*pointer_select) (DVDNavSrc *src, int x, int y);
void (*pointer_activate) (DVDNavSrc *src, int x, int y);
};
/* elementfactory information */
@ -77,13 +87,17 @@ GstElementDetails dvdnavsrc_details = {
/* DVDNavSrc signals and args */
enum {
/* FILL ME */
BUTTON_PRESSED_SIGNAL,
POINTER_SELECT_SIGNAL,
POINTER_ACTIVATE_SIGNAL,
LAST_SIGNAL
};
enum {
ARG_0,
ARG_LOCATION,
ARG_STREAMINFO,
ARG_BUTTONINFO,
ARG_TITLE_STRING,
ARG_TITLE,
ARG_CHAPTER,
@ -104,8 +118,7 @@ static void dvdnavsrc_init (DVDNavSrc *dvdnavsrc);
static void dvdnavsrc_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec);
static void dvdnavsrc_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec);
/*static GstBuffer * dvdnavsrc_get (GstPad *pad); */
static void dvdnavsrc_loop (GstElement *element);
static GstBuffer * dvdnavsrc_get (GstPad *pad);
/*static GstBuffer * dvdnavsrc_get_region (GstPad *pad,gulong offset,gulong size); */
static gboolean dvdnavsrc_event (GstPad *pad, GstEvent *event);
static const GstEventMask*
@ -124,13 +137,19 @@ static const GstQueryType*
static gboolean dvdnavsrc_close (DVDNavSrc *src);
static gboolean dvdnavsrc_open (DVDNavSrc *src);
static gboolean dvdnavsrc_is_open (DVDNavSrc *src);
static void dvdnavsrc_print_event (DVDNavSrc *src, guint8 *data, int event, int len);
static void dvdnavsrc_update_streaminfo (DVDNavSrc *src);
static void dvdnavsrc_update_buttoninfo (DVDNavSrc *src);
static void dvdnavsrc_button_pressed (DVDNavSrc *src, int button);
static void dvdnavsrc_pointer_select (DVDNavSrc *src, int x, int y);
static void dvdnavsrc_pointer_activate (DVDNavSrc *src, int x, int y);
static GstElementStateReturn dvdnavsrc_change_state (GstElement *element);
static GstElementClass *parent_class = NULL;
/*static guint dvdnavsrc_signals[LAST_SIGNAL] = { 0 }; */
static guint dvdnavsrc_signals[LAST_SIGNAL] = { 0 };
static GstFormat sector_format;
static GstFormat title_format;
@ -174,21 +193,61 @@ dvdnavsrc_class_init (DVDNavSrcClass *klass)
parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_LOCATION,
dvdnavsrc_signals[BUTTON_PRESSED_SIGNAL] =
g_signal_new ("button_pressed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
G_STRUCT_OFFSET (DVDNavSrcClass, button_pressed),
NULL, NULL,
gst_marshal_VOID__INT,
G_TYPE_NONE, 1,
G_TYPE_INT);
dvdnavsrc_signals[POINTER_SELECT_SIGNAL] =
g_signal_new ("pointer_select",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
G_STRUCT_OFFSET (DVDNavSrcClass, pointer_select),
NULL, NULL,
gst_marshal_VOID__INT_INT,
G_TYPE_NONE, 2,
G_TYPE_INT, G_TYPE_INT);
dvdnavsrc_signals[POINTER_ACTIVATE_SIGNAL] =
g_signal_new ("pointer_activate",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
G_STRUCT_OFFSET (DVDNavSrcClass, pointer_activate),
NULL, NULL,
gst_marshal_VOID__INT_INT,
G_TYPE_NONE, 2,
G_TYPE_INT, G_TYPE_INT);
klass->button_pressed = dvdnavsrc_button_pressed;
klass->pointer_select = dvdnavsrc_pointer_select;
klass->pointer_activate = dvdnavsrc_pointer_activate;
g_object_class_install_property(gobject_class, ARG_LOCATION,
g_param_spec_string("location", "location", "location",
NULL, G_PARAM_READWRITE));
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_TITLE_STRING,
g_object_class_install_property(gobject_class, ARG_TITLE_STRING,
g_param_spec_string("title_string", "title string", "DVD title string",
NULL, G_PARAM_READABLE));
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_TITLE,
g_object_class_install_property(gobject_class, ARG_TITLE,
g_param_spec_int("title", "title", "title",
0,99,1,G_PARAM_READWRITE));
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_CHAPTER,
g_object_class_install_property(gobject_class, ARG_CHAPTER,
g_param_spec_int("chapter", "chapter", "chapter",
1,999,1,G_PARAM_READWRITE));
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_ANGLE,
g_object_class_install_property(gobject_class, ARG_ANGLE,
g_param_spec_int("angle", "angle", "angle",
1,9,1,G_PARAM_READWRITE));
g_object_class_install_property(gobject_class, ARG_STREAMINFO,
g_param_spec_boxed("streaminfo", "streaminfo", "streaminfo",
GST_TYPE_CAPS, G_PARAM_READABLE));
g_object_class_install_property(gobject_class, ARG_BUTTONINFO,
g_param_spec_boxed("buttoninfo", "buttoninfo", "buttoninfo",
GST_TYPE_CAPS, G_PARAM_READABLE));
gobject_class->set_property = GST_DEBUG_FUNCPTR(dvdnavsrc_set_property);
gobject_class->get_property = GST_DEBUG_FUNCPTR(dvdnavsrc_get_property);
@ -197,29 +256,30 @@ dvdnavsrc_class_init (DVDNavSrcClass *klass)
}
static void
dvdnavsrc_init (DVDNavSrc *dvdnavsrc)
dvdnavsrc_init (DVDNavSrc *src)
{
gst_element_set_loop_function (GST_ELEMENT(dvdnavsrc), GST_DEBUG_FUNCPTR(dvdnavsrc_loop));
src->srcpad = gst_pad_new ("src", GST_PAD_SRC);
dvdnavsrc->srcpad = gst_pad_new ("src", GST_PAD_SRC);
gst_pad_set_get_function (src->srcpad, dvdnavsrc_get);
gst_pad_set_event_function (src->srcpad, dvdnavsrc_event);
gst_pad_set_event_mask_function (src->srcpad, dvdnavsrc_get_event_mask);
/*gst_pad_set_convert_function (src->srcpad, dvdnavsrc_convert);*/
gst_pad_set_query_function (src->srcpad, dvdnavsrc_query);
gst_pad_set_query_type_function (src->srcpad, dvdnavsrc_get_query_types);
gst_pad_set_formats_function (src->srcpad, dvdnavsrc_get_formats);
//gst_pad_set_get_function (dvdnavsrc->srcpad, dvdnavsrc_get);
gst_pad_set_event_function (dvdnavsrc->srcpad, dvdnavsrc_event);
gst_pad_set_event_mask_function (dvdnavsrc->srcpad, dvdnavsrc_get_event_mask);
/*gst_pad_set_convert_function (dvdnavsrc->srcpad, dvdnavsrc_convert);*/
gst_pad_set_query_function (dvdnavsrc->srcpad, dvdnavsrc_query);
gst_pad_set_query_type_function (dvdnavsrc->srcpad, dvdnavsrc_get_query_types);
gst_pad_set_formats_function (dvdnavsrc->srcpad, dvdnavsrc_get_formats);
gst_element_add_pad (GST_ELEMENT (src), src->srcpad);
gst_element_add_pad (GST_ELEMENT (dvdnavsrc), dvdnavsrc->srcpad);
src->bufferpool = gst_buffer_pool_get_default (DVD_VIDEO_LB_LEN, 2);
dvdnavsrc->bufferpool = gst_buffer_pool_get_default (DVD_VIDEO_LB_LEN, 2);
dvdnavsrc->location = g_strdup("/dev/dvd");
dvdnavsrc->new_seek = FALSE;
dvdnavsrc->title = 0;
dvdnavsrc->chapter = 0;
dvdnavsrc->angle = 1;
src->location = g_strdup("/dev/dvd");
src->did_seek = FALSE;
src->need_flush = FALSE;
src->title = 0;
src->chapter = 0;
src->angle = 1;
src->streaminfo = NULL;
src->buttoninfo = NULL;
}
/* FIXME: this code is not being used */
@ -268,11 +328,11 @@ dvdnavsrc_set_property (GObject *object, guint prop_id, const GValue *value, GPa
break;
case ARG_TITLE:
src->title = g_value_get_int (value);
src->new_seek = TRUE;
src->did_seek = TRUE;
break;
case ARG_CHAPTER:
src->chapter = g_value_get_int (value);
src->new_seek = TRUE;
src->did_seek = TRUE;
break;
case ARG_ANGLE:
src->angle = g_value_get_int (value);
@ -299,9 +359,18 @@ dvdnavsrc_get_property (GObject *object, guint prop_id, GValue *value, GParamSpe
case ARG_LOCATION:
g_value_set_string (value, src->location);
break;
case ARG_STREAMINFO:
g_value_set_boxed (value, src->streaminfo);
break;
case ARG_BUTTONINFO:
g_value_set_boxed (value, src->buttoninfo);
break;
case ARG_TITLE_STRING:
if (dvdnav_get_title_string(src->dvdnav, &title_string) != DVDNAV_STATUS_OK) {
g_value_set_string (value, "[error getting DVD title]");
if (!dvdnavsrc_is_open(src)) {
g_value_set_string (value, "");
} else if (dvdnav_get_title_string(src->dvdnav, &title_string) !=
DVDNAV_STATUS_OK) {
g_value_set_string (value, "UNKNOWN");
} else {
g_value_set_string (value, title_string);
}
@ -417,15 +486,105 @@ dvdnavsrc_tca_seek(DVDNavSrc *src, int title, int chapter, int angle)
}
*/
src->did_seek = TRUE;
return TRUE;
}
/*
static void
dvdnavsrc_event (GstPad *pad, GstElement *element)
dvdnavsrc_update_streaminfo (DVDNavSrc *src)
{
GstCaps *caps;
GstProps *props;
GstPropsEntry *entry;
gint64 value;
props = gst_props_empty_new ();
/*
entry = gst_props_entry_new ("title_string", GST_PROPS_STRING (""));
gst_props_add_entry (props, entry);
*/
if (dvdnavsrc_query(src->srcpad, GST_QUERY_TOTAL, &title_format, &value)) {
entry = gst_props_entry_new ("titles", GST_PROPS_INT (value));
gst_props_add_entry (props, entry);
}
if (dvdnavsrc_query(src->srcpad, GST_QUERY_POSITION, &title_format, &value)) {
entry = gst_props_entry_new ("title", GST_PROPS_INT (value));
gst_props_add_entry (props, entry);
}
if (dvdnavsrc_query(src->srcpad, GST_QUERY_TOTAL, &chapter_format, &value)) {
entry = gst_props_entry_new ("chapters", GST_PROPS_INT (value));
gst_props_add_entry (props, entry);
}
if (dvdnavsrc_query(src->srcpad, GST_QUERY_POSITION, &chapter_format, &value)) {
entry = gst_props_entry_new ("chapter", GST_PROPS_INT (value));
gst_props_add_entry (props, entry);
}
if (dvdnavsrc_query(src->srcpad, GST_QUERY_TOTAL, &angle_format, &value)) {
entry = gst_props_entry_new ("angles", GST_PROPS_INT (value));
gst_props_add_entry (props, entry);
}
if (dvdnavsrc_query(src->srcpad, GST_QUERY_POSITION, &angle_format, &value)) {
entry = gst_props_entry_new ("angle", GST_PROPS_INT (value));
gst_props_add_entry (props, entry);
}
caps = gst_caps_new ("dvdnavsrc_streaminfo",
"application/x-gst-streaminfo",
props);
if (src->streaminfo) {
gst_caps_unref (src->streaminfo);
}
src->streaminfo = caps;
g_object_notify (G_OBJECT (src), "streaminfo");
}
static void
dvdnavsrc_update_buttoninfo (DVDNavSrc *src)
{
GstCaps *caps;
GstProps *props;
GstPropsEntry *entry;
pci_t *pci;
pci = dvdnav_get_current_nav_pci(src->dvdnav);
fprintf(stderr, "update button info total:%d\n", pci->hli.hl_gi.btn_ns);
props = gst_props_empty_new ();
entry = gst_props_entry_new ("total", GST_PROPS_INT (pci->hli.hl_gi.btn_ns));
gst_props_add_entry (props, entry);
caps = gst_caps_new ("dvdnavsrc_buttoninfo",
"application/x-gst-dvdnavsrc-buttoninfo",
props);
if (src->buttoninfo) {
gst_caps_unref (src->buttoninfo);
}
src->buttoninfo = caps;
g_object_notify (G_OBJECT (src), "buttoninfo");
}
static void
dvdnavsrc_button_pressed (DVDNavSrc *src, int button)
{
}
*/
static void
dvdnavsrc_pointer_select (DVDNavSrc *src, int x, int y)
{
dvdnav_mouse_select(src->dvdnav, x, y);
}
static void
dvdnavsrc_pointer_activate (DVDNavSrc *src, int x, int y)
{
dvdnav_mouse_activate(src->dvdnav, x, y);
}
static gchar *
dvdnav_get_event_name(int event)
@ -513,8 +672,20 @@ dvdnavsrc_print_event (DVDNavSrc *src, guint8 *data, int event, int len)
case DVDNAV_NAV_PACKET:
{
dvdnav_nav_packet_event_t *event = (dvdnav_nav_packet_event_t *)data;
pci_t *pci;
dsi_t *dsi;
/*
pci = event->pci;
dsi = event->dsi;
*/
pci = dvdnav_get_current_nav_pci(src->dvdnav);
dsi = dvdnav_get_current_nav_dsi(src->dvdnav);
fprintf (stderr, " pci: %p\n", event->pci);
fprintf (stderr, " dsi: %p\n", event->dsi);
/*
navPrint_PCI(pci);
navPrint_DSI(dsi);
*/
}
break;
case DVDNAV_STOP:
@ -545,137 +716,100 @@ dvdnavsrc_print_event (DVDNavSrc *src, guint8 *data, int event, int len)
}
}
static void
dvdnavsrc_loop (GstElement *element)
{
DVDNavSrc *src;
int done;
g_return_if_fail (element != NULL);
g_return_if_fail (GST_IS_DVDNAVSRC (element));
src = DVDNAVSRC (element);
g_return_if_fail (dvdnavsrc_is_open (src));
done = 0;
while (!done) {
int event, len;
GstBuffer *buf;
guint8 *data;
/* allocate a pool for the buffer data */
/* FIXME: mem leak on non BLOCK_OK events */
buf = gst_buffer_new_from_pool (src->bufferpool, DVD_VIDEO_LB_LEN, 0);
if (!buf) {
gst_element_error (GST_ELEMENT(src),
"Failed to create a new GstBuffer");
return;
}
data = GST_BUFFER_DATA(buf);
if (dvdnav_get_next_block (src->dvdnav, data, &event, &len) != DVDNAV_STATUS_OK) {
fprintf (stderr, "dvdnav_get_next_block error: %s\n", dvdnav_err_to_string(src->dvdnav));
return;
}
switch (event) {
case DVDNAV_BLOCK_OK:
g_return_if_fail (GST_BUFFER_DATA(buf) != NULL);
g_return_if_fail (GST_BUFFER_SIZE(buf) == DVD_VIDEO_LB_LEN);
gst_pad_push (src->srcpad, buf);
break;
case DVDNAV_NOP:
dvdnavsrc_print_event (src, data, event, len);
break;
case DVDNAV_STILL_FRAME:
/* FIXME: we should pause for event->length seconds before dvdnav_still_skip */
dvdnavsrc_print_event (src, data, event, len);
if (dvdnav_still_skip (src->dvdnav) != DVDNAV_STATUS_OK) {
fprintf (stderr, "dvdnav_still_skip error: %s\n", dvdnav_err_to_string(src->dvdnav));
/* FIXME: close the stream??? */
}
break;
case DVDNAV_SPU_STREAM_CHANGE:
dvdnavsrc_print_event (src, data, event, len);
break;
case DVDNAV_AUDIO_STREAM_CHANGE:
dvdnavsrc_print_event (src, data, event, len);
break;
case DVDNAV_VTS_CHANGE:
dvdnavsrc_print_event (src, data, event, len);
break;
case DVDNAV_CELL_CHANGE:
dvdnavsrc_print_event (src, data, event, len);
break;
case DVDNAV_NAV_PACKET:
dvdnavsrc_print_event (src, data, event, len);
break;
case DVDNAV_STOP:
done = 1;
gst_element_set_eos (GST_ELEMENT (src));
dvdnavsrc_close(src);
break;
case DVDNAV_HIGHLIGHT:
dvdnavsrc_print_event (src, data, event, len);
break;
case DVDNAV_SPU_CLUT_CHANGE:
/* ignore the change events. I'm dont know what I'm meant to do with them */
/* and there's no struct for it */
dvdnavsrc_print_event (src, data, event, len);
break;
case DVDNAV_SEEK_DONE:
dvdnavsrc_print_event (src, data, event, len);
break;
case DVDNAV_HOP_CHANNEL:
dvdnavsrc_print_event (src, data, event, len);
break;
default:
dvdnavsrc_print_event (src, data, event, len);
break;
}
}
}
#if 0
static GstBuffer *
dvdnavsrc_get (GstPad *pad)
{
DVDNavSrc *src;
int event, len;
GstBuffer *buf;
guint8 *data;
gboolean have_buf;
g_return_val_if_fail (pad != NULL, NULL);
g_return_val_if_fail (GST_IS_PAD (pad), NULL);
src = DVDNAVSRC (gst_pad_get_parent (pad));
g_return_val_if_fail (gstdvdnav_is_open (src), NULL);
g_return_val_if_fail (dvdnavsrc_is_open (src), NULL);
/* create the buffer */
/* FIXME: should eventually use a bufferpool for this */
buf = gst_buffer_new ();
g_return_val_if_fail (buf, NULL);
if (src->did_seek) {
GstEvent *event;
/* allocate the space for the buffer data */
GST_BUFFER_DATA (buf) = g_malloc (1024 * DVD_VIDEO_LB_LEN);
g_return_val_if_fail (GST_BUFFER_DATA (buf) != NULL, NULL);
if (src->new_seek) {
_seek(src, src->titleid, src->chapid, src->angle);
src->did_seek = FALSE;
GST_DEBUG (GST_CAT_EVENT, "dvdnavsrc sending discont");
event = gst_event_new_discontinuous (FALSE, 0);
src->need_flush = FALSE;
return GST_BUFFER (event);
}
if (src->need_flush) {
src->need_flush = FALSE;
GST_DEBUG (GST_CAT_EVENT, "dvdnavsrc sending flush");
return GST_BUFFER (gst_event_new_flush());
}
/* read it in from the file */
if (_read (src, src->angle, src->new_seek, buf)) {
gst_element_signal_eos (GST_ELEMENT (src));
/* loop processing blocks until data is pushed */
have_buf = FALSE;
while (!have_buf) {
/* allocate a pool for the buffer data */
/* FIXME: mem leak on non BLOCK_OK events */
buf = gst_buffer_new_from_pool (src->bufferpool, DVD_VIDEO_LB_LEN, 0);
if (!buf) {
gst_element_error (GST_ELEMENT (src), "Failed to create a new GstBuffer");
return NULL;
}
data = GST_BUFFER_DATA(buf);
if (dvdnav_get_next_block (src->dvdnav, data, &event, &len) !=
DVDNAV_STATUS_OK) {
gst_element_error (GST_ELEMENT (src), "dvdnav_get_next_block error: %s\n",
dvdnav_err_to_string(src->dvdnav));
return NULL;
}
if (src->new_seek) {
src->new_seek = FALSE;
switch (event) {
case DVDNAV_NOP:
break;
case DVDNAV_BLOCK_OK:
g_return_val_if_fail (GST_BUFFER_DATA(buf) != NULL, NULL);
g_return_val_if_fail (GST_BUFFER_SIZE(buf) == DVD_VIDEO_LB_LEN, NULL);
have_buf = TRUE;
break;
case DVDNAV_STILL_FRAME:
/* FIXME: we should pause for event->length seconds before
* dvdnav_still_skip */
dvdnavsrc_print_event (src, data, event, len);
if (dvdnav_still_skip (src->dvdnav) != DVDNAV_STATUS_OK) {
gst_element_error (GST_ELEMENT (src), "dvdnav_still_skip error: %s\n",
dvdnav_err_to_string(src->dvdnav));
/* FIXME: close the stream??? */
}
break;
case DVDNAV_STOP:
GST_DEBUG (GST_CAT_EVENT, "dvdnavsrc sending eos");
gst_element_set_eos (GST_ELEMENT (src));
dvdnavsrc_close(src);
buf = GST_BUFFER (gst_event_new (GST_EVENT_EOS));
have_buf = TRUE;
break;
case DVDNAV_CELL_CHANGE:
dvdnavsrc_update_streaminfo (src);
break;
case DVDNAV_NAV_PACKET:
if (0) dvdnavsrc_update_buttoninfo (src);
break;
case DVDNAV_VTS_CHANGE:
case DVDNAV_SPU_STREAM_CHANGE:
case DVDNAV_AUDIO_STREAM_CHANGE:
case DVDNAV_HIGHLIGHT:
case DVDNAV_SPU_CLUT_CHANGE:
case DVDNAV_SEEK_DONE:
case DVDNAV_HOP_CHANNEL:
default:
dvdnavsrc_print_event (src, data, event, len);
break;
}
}
return buf;
}
#endif
/* open the file, necessary to go to RUNNING state */
static gboolean
@ -775,6 +909,7 @@ dvdnavsrc_change_state (GstElement *element)
return GST_STATE_FAILURE;
}
}
src->streaminfo = NULL;
break;
case GST_STATE_PAUSED_TO_PLAYING:
break;
@ -888,7 +1023,6 @@ dvdnavsrc_event (GstPad *pad, GstEvent *event)
default:
goto error;
}
g_message("seek->chap %d->%d", part, new_part);
/*if (dvdnav_part_search(src->dvdnav, new_part) !=*/
if (dvdnav_part_play(src->dvdnav, title, new_part) !=
DVDNAV_STATUS_OK) {
@ -898,8 +1032,6 @@ dvdnavsrc_event (GstPad *pad, GstEvent *event)
DVDNAV_STATUS_OK) {
goto error;
}
g_message("seek->chap after:%d", part);
g_message("seek->chap->cur done");
} else if (format == angle_format) {
switch (GST_EVENT_SEEK_METHOD (event)) {
case GST_SEEK_METHOD_SET:
@ -926,8 +1058,13 @@ dvdnavsrc_event (GstPad *pad, GstEvent *event)
goto error;
}
}
src->did_seek = TRUE;
src->need_flush = GST_EVENT_SEEK_FLAGS(event) & GST_SEEK_FLAG_FLUSH;
break;
}
case GST_EVENT_FLUSH:
src->need_flush = TRUE;
break;
default:
goto error;
}