%{
+#include "../gst_private.h"
+
#include <glib-object.h>
#include <glib.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
-#include "../gst_private.h"
#include "../gst-i18n-lib.h"
#include "../gstconfig.h"
#include "../gstparse.h"
#include "../gstinfo.h"
#include "../gsterror.h"
+#include "../gststructure.h"
#include "../gsturi.h"
#include "../gstutils.h"
#include "../gstvalue.h"
* Don't start the message with a capital, and don't end them with a period,
* as they will be presented inside a sentence/error.
*/
-
+
#define YYERROR_VERBOSE 1
-#define YYPARSE_PARAM graph
+#define YYLEX_PARAM scanner
+
+#define YYENABLE_NLS 0
+
+#ifndef YYLTYPE_IS_TRIVIAL
+#define YYLTYPE_IS_TRIVIAL 0
+#endif
+
+typedef void* yyscan_t;
+
+int priv_gst_parse_yylex (void * yylval_param , yyscan_t yyscanner);
+int priv_gst_parse_yylex_init (yyscan_t scanner);
+int priv_gst_parse_yylex_destroy (yyscan_t scanner);
+struct yy_buffer_state * priv_gst_parse_yy_scan_string (char* , yyscan_t);
+void _gst_parse_yypush_buffer_state (void * new_buffer ,yyscan_t yyscanner );
+void _gst_parse_yypop_buffer_state (yyscan_t yyscanner );
#ifdef __GST_PARSE_TRACE
static guint __strings;
gchar *
__gst_parse_strdup (gchar *org)
{
- gchar *ret;
+ gchar *ret;
__strings++;
ret = g_strdup (org);
/* g_print ("ALLOCATED STR (%3u): %p %s\n", __strings, ret, ret); */
{
link_t *ret;
__links++;
- ret = g_new0 (link_t, 1);
+ ret = g_slice_new0 (link_t);
/* g_print ("ALLOCATED LINK (%3u): %p\n", __links, ret); */
return ret;
}
{
if (data) {
/* g_print ("FREEING LINK (%3u): %p\n", __links - 1, data); */
- g_free (data);
+ g_slice_free (link_t, data);
g_return_if_fail (__links > 0);
__links--;
}
{
chain_t *ret;
__chains++;
- ret = g_new0 (chain_t, 1);
+ ret = g_slice_new0 (chain_t);
/* g_print ("ALLOCATED CHAIN (%3u): %p\n", __chains, ret); */
return ret;
}
__gst_parse_chain_free (chain_t *data)
{
/* g_print ("FREEING CHAIN (%3u): %p\n", __chains - 1, data); */
- g_free (data);
+ g_slice_free (chain_t, data);
g_return_if_fail (__chains > 0);
__chains--;
}
GstElement *sink;
GstCaps *caps;
gulong signal_id;
- /* FIXME: need to connect to "disposed" signal to clean up,
- * but there is no such signal */
} DelayedLink;
-/*** define SET_ERROR and ERROR macros/functions */
+typedef struct {
+ gchar *name;
+ gchar *value_str;
+ gulong signal_id;
+} DelayedSet;
+
+/*** define SET_ERROR macro/function */
#ifdef G_HAVE_ISO_VARARGS
} \
} G_STMT_END
-# define ERROR(type, ...) \
- SET_ERROR (((graph_t *) graph)->error, (type), __VA_ARGS__ )
-
#elif defined(G_HAVE_GNUC_VARARGS)
# define SET_ERROR(error, type, args...) \
} \
} G_STMT_END
-# define ERROR(type, args...) \
- SET_ERROR (((graph_t *) graph)->error,(type) , args )
-
#else
static inline void
va_start (varargs, format);
string = g_strdup_vprintf (format, varargs);
va_end (varargs);
-
+
g_set_error (error, GST_PARSE_ERROR, type, string);
g_free (string);
/* # define YYFPRINTF(a, ...) GST_CAT_DEBUG (GST_CAT_PIPELINE, __VA_ARGS__) */
# define YYFPRINTF(a, ...) \
G_STMT_START { \
- gchar *temp = g_strdup_printf (__VA_ARGS__); \
- GST_CAT_LOG (GST_CAT_PIPELINE, temp); \
- g_free (temp); \
+ GST_CAT_LOG (GST_CAT_PIPELINE, __VA_ARGS__); \
} G_STMT_END
# elif defined(G_HAVE_GNUC_VARARGS)
# define YYFPRINTF(a, args...) \
G_STMT_START { \
- gchar *temp = g_strdup_printf ( args ); \
- GST_CAT_LOG (GST_CAT_PIPELINE, temp); \
- g_free (temp); \
+ GST_CAT_LOG (GST_CAT_PIPELINE, args); \
} G_STMT_END
# else
{
va_list varargs;
gchar *temp;
-
+
va_start (varargs, format);
temp = g_strdup_vprintf (format, varargs);
GST_CAT_LOG (GST_CAT_PIPELINE, "%s", temp);
#endif /* GST_DISABLE_GST_DEBUG */
-#define GST_BIN_MAKE(res, type, chainval, assign) \
+#define ADD_MISSING_ELEMENT(graph,name) G_STMT_START { \
+ if ((graph)->ctx) { \
+ (graph)->ctx->missing_elements = \
+ g_list_append ((graph)->ctx->missing_elements, g_strdup (name)); \
+ } } G_STMT_END
+
+static void
+no_free (gconstpointer foo)
+{
+ /* do nothing */
+}
+
+#define GST_BIN_MAKE(res, type, chainval, assign, type_string_free_func) \
G_STMT_START { \
chain_t *chain = chainval; \
GSList *walk; \
GstBin *bin = (GstBin *) gst_element_factory_make (type, NULL); \
if (!chain) { \
- SET_ERROR (((graph_t *) graph)->error, GST_PARSE_ERROR_EMPTY_BIN, \
+ SET_ERROR (graph->error, GST_PARSE_ERROR_EMPTY_BIN, \
_("specified empty bin \"%s\", not allowed"), type); \
g_slist_foreach (assign, (GFunc) gst_parse_strfree, NULL); \
g_slist_free (assign); \
+ gst_object_unref (bin); \
+ type_string_free_func (type); /* Need to clean up the string */ \
YYERROR; \
} else if (!bin) { \
- SET_ERROR (((graph_t *) graph)->error, GST_PARSE_ERROR_NO_SUCH_ELEMENT, \
+ ADD_MISSING_ELEMENT(graph, type); \
+ SET_ERROR (graph->error, GST_PARSE_ERROR_NO_SUCH_ELEMENT, \
_("no bin \"%s\", skipping"), type); \
g_slist_foreach (assign, (GFunc) gst_parse_strfree, NULL); \
g_slist_free (assign); \
} G_STMT_END
static void
+gst_parse_free_delayed_set (DelayedSet *set)
+{
+ g_free(set->name);
+ g_free(set->value_str);
+ g_slice_free(DelayedSet, set);
+}
+
+static void gst_parse_new_child(GstChildProxy *child_proxy, GObject *object,
+ gpointer data);
+
+static void
+gst_parse_add_delayed_set (GstElement *element, gchar *name, gchar *value_str)
+{
+ DelayedSet *data = g_slice_new0 (DelayedSet);
+
+ GST_CAT_LOG_OBJECT (GST_CAT_PIPELINE, element, "delaying property set %s to %s",
+ name, value_str);
+
+ data->name = g_strdup(name);
+ data->value_str = g_strdup(value_str);
+ data->signal_id = g_signal_connect_data(element, "child-added",
+ G_CALLBACK (gst_parse_new_child), data, (GClosureNotify)
+ gst_parse_free_delayed_set, (GConnectFlags) 0);
+
+ /* FIXME: we would need to listen on all intermediate bins too */
+ if (GST_IS_BIN (element)) {
+ gchar **names, **current;
+ GstElement *parent, *child;
+
+ current = names = g_strsplit (name, "::", -1);
+ parent = gst_bin_get_by_name (GST_BIN_CAST (element), current[0]);
+ current++;
+ while (parent && current[0]) {
+ child = gst_bin_get_by_name (GST_BIN (parent), current[0]);
+ if (!child && current[1]) {
+ char *sub_name = g_strjoinv ("::", ¤t[0]);
+
+ gst_parse_add_delayed_set(parent, sub_name, value_str);
+ g_free (sub_name);
+ }
+ parent = child;
+ current++;
+ }
+ g_strfreev (names);
+ }
+}
+
+static void gst_parse_new_child(GstChildProxy *child_proxy, GObject *object,
+ gpointer data)
+{
+ DelayedSet *set = (DelayedSet *) data;
+ GParamSpec *pspec;
+ GValue v = { 0, };
+ GstObject *target = NULL;
+ GType value_type;
+
+ GST_CAT_LOG_OBJECT (GST_CAT_PIPELINE, child_proxy, "new child %s, checking property %s",
+ GST_OBJECT_NAME(object), set->name);
+
+ if (gst_child_proxy_lookup (G_OBJECT (child_proxy), set->name, &target, &pspec)) {
+ gboolean got_value = FALSE;
+
+ value_type = pspec->value_type;
+
+ GST_CAT_LOG_OBJECT (GST_CAT_PIPELINE, child_proxy, "parsing delayed property %s as a %s from %s",
+ pspec->name, g_type_name (value_type), set->value_str);
+ g_value_init (&v, value_type);
+ if (gst_value_deserialize (&v, set->value_str))
+ got_value = TRUE;
+ else if (g_type_is_a (value_type, GST_TYPE_ELEMENT)) {
+ GstElement *bin;
+
+ bin = gst_parse_bin_from_description (set->value_str, TRUE, NULL);
+ if (bin) {
+ g_value_set_object (&v, bin);
+ got_value = TRUE;
+ }
+ }
+ g_signal_handler_disconnect (child_proxy, set->signal_id);
+ if (!got_value)
+ goto error;
+ g_object_set_property (G_OBJECT (target), pspec->name, &v);
+ } else {
+ const gchar *obj_name = GST_OBJECT_NAME(object);
+ gint len = strlen (obj_name);
+
+ /* do a delayed set */
+ if ((strlen (set->name) > (len + 2)) && !strncmp (set->name, obj_name, len) && !strncmp (&set->name[len], "::", 2)) {
+ gst_parse_add_delayed_set (GST_ELEMENT(child_proxy), set->name, set->value_str);
+ }
+ }
+
+out:
+ if (G_IS_VALUE (&v))
+ g_value_unset (&v);
+ if (target)
+ gst_object_unref (target);
+ return;
+
+error:
+ GST_CAT_ERROR (GST_CAT_PIPELINE, "could not set property \"%s\" in element \"%s\"",
+ pspec->name, GST_ELEMENT_NAME (target));
+ goto out;
+}
+
+static void
gst_parse_element_set (gchar *value, GstElement *element, graph_t *graph)
{
GParamSpec *pspec;
gchar *pos = value;
- GValue v = { 0, };
- GstObject *target;
+ GValue v = { 0, };
+ GstObject *target = NULL;
GType value_type;
+ /* do nothing if assignment is for missing element */
+ if (element == NULL)
+ goto out;
+
/* parse the string, so the property name is null-terminated an pos points
to the beginning of the value */
- while (!g_ascii_isspace (*pos) && (*pos != '=')) pos++;
- if (*pos == '=') {
- *pos = '\0';
- } else {
- *pos = '\0';
+ while (!g_ascii_isspace (*pos) && (*pos != '=')) pos++;
+ if (*pos == '=') {
+ *pos = '\0';
+ } else {
+ *pos = '\0';
pos++;
- while (g_ascii_isspace (*pos)) pos++;
- }
- pos++;
- while (g_ascii_isspace (*pos)) pos++;
+ while (g_ascii_isspace (*pos)) pos++;
+ }
+ pos++;
+ while (g_ascii_isspace (*pos)) pos++;
if (*pos == '"') {
pos++;
pos[strlen (pos) - 1] = '\0';
}
gst_parse_unescape (pos);
- if (gst_child_proxy_lookup (GST_OBJECT (element), value, &target, &pspec)) {
- value_type = G_PARAM_SPEC_VALUE_TYPE (pspec);
- GST_LOG ("parsing property %s as a %s", pspec->name,
+ if (gst_child_proxy_lookup (G_OBJECT (element), value, &target, &pspec)) {
+ gboolean got_value = FALSE;
+
+ value_type = pspec->value_type;
+
+ GST_CAT_LOG_OBJECT (GST_CAT_PIPELINE, element, "parsing property %s as a %s", pspec->name,
g_type_name (value_type));
g_value_init (&v, value_type);
- if (!gst_value_deserialize (&v, pos))
+ if (gst_value_deserialize (&v, pos))
+ got_value = TRUE;
+ else if (g_type_is_a (value_type, GST_TYPE_ELEMENT)) {
+ GstElement *bin;
+
+ bin = gst_parse_bin_from_description (pos, TRUE, NULL);
+ if (bin) {
+ g_value_set_object (&v, bin);
+ got_value = TRUE;
+ }
+ }
+ if (!got_value)
goto error;
g_object_set_property (G_OBJECT (target), pspec->name, &v);
- gst_object_unref (target);
- } else {
- SET_ERROR (((graph_t *) graph)->error, GST_PARSE_ERROR_NO_SUCH_PROPERTY, \
- _("no property \"%s\" in element \"%s\""), value, \
- GST_ELEMENT_NAME (element));
+ } else {
+ /* do a delayed set */
+ if (GST_IS_CHILD_PROXY (element)) {
+ gst_parse_add_delayed_set (element, value, pos);
+ }
+ else {
+ SET_ERROR (graph->error, GST_PARSE_ERROR_NO_SUCH_PROPERTY, \
+ _("no property \"%s\" in element \"%s\""), value, \
+ GST_ELEMENT_NAME (element));
+ }
}
out:
gst_parse_strfree (value);
if (G_IS_VALUE (&v))
g_value_unset (&v);
+ if (target)
+ gst_object_unref (target);
return;
-
+
error:
- gst_object_unref (target);
- SET_ERROR (((graph_t *) graph)->error, GST_PARSE_ERROR_COULD_NOT_SET_PROPERTY,
- _("could not set property \"%s\" in element \"%s\" to \"%s\""),
- value, GST_ELEMENT_NAME (element), pos);
+ SET_ERROR (graph->error, GST_PARSE_ERROR_COULD_NOT_SET_PROPERTY,
+ _("could not set property \"%s\" in element \"%s\" to \"%s\""),
+ value, GST_ELEMENT_NAME (element), pos);
goto out;
}
+
static inline void
gst_parse_free_link (link_t *link)
{
g_slist_free (link->src_pads);
g_slist_free (link->sink_pads);
if (link->caps) gst_caps_unref (link->caps);
- gst_parse_link_free (link);
+ gst_parse_link_free (link);
}
static void
-gst_parse_element_lock (GstElement *element, gboolean lock)
+gst_parse_free_delayed_link (DelayedLink *link)
{
- GstPad *pad;
- GstIterator *pads;
- gboolean unlocked_peer = FALSE;
- gboolean done = FALSE;
- GList *walk;
-
- if (gst_element_is_locked_state (element) == lock)
- return;
-
- return;
-
- /* check if we have an unlocked peer */
- pads = gst_element_iterate_pads (element);
- while (!done) {
- gpointer data;
- switch (gst_iterator_next (pads, &data)) {
- case GST_ITERATOR_OK:
- {
- GstPad *pad = GST_PAD_CAST (data);
-
- if (GST_PAD_IS_SINK (pad) && GST_PAD_PEER (pad) &&
- !gst_element_is_locked_state (
- GST_PAD_PARENT (GST_PAD_PEER (pad)))) {
- unlocked_peer = TRUE;
- done = TRUE;
- }
- gst_object_unref (GST_OBJECT (pad));
- break;
- }
- case GST_ITERATOR_RESYNC:
- unlocked_peer = FALSE;
- gst_iterator_resync (pads);
- break;
- case GST_ITERATOR_DONE:
- done = TRUE;
- break;
- default:
- g_assert_not_reached ();
- break;
- }
- }
- gst_iterator_free (pads);
-
- if (!(lock && unlocked_peer)) {
- GST_CAT_DEBUG (GST_CAT_PIPELINE, "setting locked state on element");
- gst_element_set_locked_state (element, lock);
- if (!lock)
- {
- /* try to sync state with parent */
- GST_CAT_DEBUG (GST_CAT_PIPELINE,
- "trying to sync state of element with parent");
- /* FIXME: it would be nice if we can figure out why it failed
- (e.g. caps nego) and give an error about that instead. */
- if (gst_element_set_state (element, GST_STATE_PLAYING)
- == GST_STATE_CHANGE_FAILURE)
- GST_ELEMENT_ERROR (element, CORE, STATE_CHANGE, (NULL), (NULL));
- }
- } else {
- return;
- }
-
- /* check if there are other pads to (un)lock */
- walk = (GList *) element->pads;
- for (; walk; walk = walk->next) {
- pad = GST_PAD_CAST (walk->data);
- if (GST_PAD_IS_SRC (pad) && GST_PAD_PEER (pad)) {
- GstElement *next = GST_ELEMENT (GST_OBJECT_PARENT (GST_PAD_PEER (pad)));
- if (gst_element_is_locked_state (next) != lock)
- gst_parse_element_lock (next, lock);
- }
- }
+ g_free (link->src_pad);
+ g_free (link->sink_pad);
+ if (link->caps) gst_caps_unref (link->caps);
+ g_slice_free (DelayedLink, link);
}
+
static void
gst_parse_found_pad (GstElement *src, GstPad *pad, gpointer data)
{
- DelayedLink *link = (DelayedLink *) data;
-
- GST_CAT_INFO (GST_CAT_PIPELINE, "trying delayed linking %s:%s to %s:%s",
+ DelayedLink *link = data;
+
+ GST_CAT_INFO (GST_CAT_PIPELINE, "trying delayed linking %s:%s to %s:%s",
GST_STR_NULL (GST_ELEMENT_NAME (src)), GST_STR_NULL (link->src_pad),
GST_STR_NULL (GST_ELEMENT_NAME (link->sink)), GST_STR_NULL (link->sink_pad));
link->sink_pad, link->caps)) {
/* do this here, we don't want to get any problems later on when
* unlocking states */
- GST_CAT_DEBUG (GST_CAT_PIPELINE, "delayed linking %s:%s to %s:%s worked",
+ GST_CAT_DEBUG (GST_CAT_PIPELINE, "delayed linking %s:%s to %s:%s worked",
GST_STR_NULL (GST_ELEMENT_NAME (src)), GST_STR_NULL (link->src_pad),
GST_STR_NULL (GST_ELEMENT_NAME (link->sink)), GST_STR_NULL (link->sink_pad));
g_signal_handler_disconnect (src, link->signal_id);
- g_free (link->src_pad);
- g_free (link->sink_pad);
- if (link->caps) gst_caps_unref (link->caps);
- if (!gst_element_is_locked_state (src))
- gst_parse_element_lock (link->sink, FALSE);
- g_free (link);
}
}
+
/* both padnames and the caps may be NULL */
static gboolean
-gst_parse_perform_delayed_link (GstElement *src, const gchar *src_pad,
+gst_parse_perform_delayed_link (GstElement *src, const gchar *src_pad,
GstElement *sink, const gchar *sink_pad,
GstCaps *caps)
{
GList *templs = gst_element_class_get_pad_template_list (
GST_ELEMENT_GET_CLASS (src));
-
+
for (; templs; templs = templs->next) {
GstPadTemplate *templ = (GstPadTemplate *) templs->data;
if ((GST_PAD_TEMPLATE_DIRECTION (templ) == GST_PAD_SRC) &&
(GST_PAD_TEMPLATE_PRESENCE(templ) == GST_PAD_SOMETIMES))
{
- DelayedLink *data = g_new (DelayedLink, 1);
-
+ DelayedLink *data = g_slice_new (DelayedLink);
+
/* TODO: maybe we should check if src_pad matches this template's names */
- GST_CAT_DEBUG (GST_CAT_PIPELINE, "trying delayed link %s:%s to %s:%s",
+ GST_CAT_DEBUG (GST_CAT_PIPELINE, "trying delayed link %s:%s to %s:%s",
GST_STR_NULL (GST_ELEMENT_NAME (src)), GST_STR_NULL (src_pad),
GST_STR_NULL (GST_ELEMENT_NAME (sink)), GST_STR_NULL (sink_pad));
} else {
data->caps = NULL;
}
- data->signal_id = g_signal_connect (G_OBJECT (src), "pad-added",
- G_CALLBACK (gst_parse_found_pad), data);
+ data->signal_id = g_signal_connect_data (src, "pad-added",
+ G_CALLBACK (gst_parse_found_pad), data,
+ (GClosureNotify) gst_parse_free_delayed_link, (GConnectFlags) 0);
return TRUE;
}
}
return FALSE;
}
+
/*
* performs a link and frees the struct. src and sink elements must be given
* return values 0 - link performed
GSList *sinks = link->sink_pads;
g_assert (GST_IS_ELEMENT (src));
g_assert (GST_IS_ELEMENT (sink));
-
+
GST_CAT_INFO (GST_CAT_PIPELINE,
- "linking %s:%s to %s:%s (%u/%u) with caps \"%" GST_PTR_FORMAT "\"",
+ "linking %s:%s to %s:%s (%u/%u) with caps \"%" GST_PTR_FORMAT "\"",
GST_ELEMENT_NAME (src), link->src_name ? link->src_name : "(any)",
GST_ELEMENT_NAME (sink), link->sink_name ? link->sink_name : "(any)",
g_slist_length (srcs), g_slist_length (sinks), link->caps);
if (gst_element_link_pads_filtered (src,
srcs ? (const gchar *) srcs->data : NULL, sink,
sinks ? (const gchar *) sinks->data : NULL, link->caps)) {
- gst_parse_element_lock (sink, gst_element_is_locked_state (src));
goto success;
} else {
if (gst_parse_perform_delayed_link (src,
srcs ? (const gchar *) srcs->data : NULL,
sink, sinks ? (const gchar *) sinks->data : NULL, link->caps)) {
- gst_parse_element_lock (sink, TRUE);
goto success;
} else {
goto error;
}
}
}
- if (g_slist_length (link->src_pads) != g_slist_length (link->src_pads)) {
+ if (g_slist_length (link->src_pads) != g_slist_length (link->sink_pads)) {
goto error;
}
while (srcs && sinks) {
sinks = g_slist_next (sinks);
if (gst_element_link_pads_filtered (src, src_pad, sink, sink_pad,
link->caps)) {
- gst_parse_element_lock (sink, gst_element_is_locked_state (src));
continue;
} else {
if (gst_parse_perform_delayed_link (src, src_pad,
sink, sink_pad,
link->caps)) {
- gst_parse_element_lock (sink, TRUE);
continue;
} else {
goto error;
}
}
}
-
+
success:
gst_parse_free_link (link);
return 0;
-
+
error:
- SET_ERROR (((graph_t *) graph)->error, GST_PARSE_ERROR_LINK,
+ SET_ERROR (graph->error, GST_PARSE_ERROR_LINK,
_("could not link %s to %s"), GST_ELEMENT_NAME (src),
GST_ELEMENT_NAME (sink));
gst_parse_free_link (link);
}
-static int yylex (void *lvalp);
-static int yyerror (const char *s);
+static int yyerror (void *scanner, graph_t *graph, const char *s);
%}
%union {
%type <l> reference
%type <l> linkpart link
%type <p> linklist
-%type <e> element
+%type <e> element
%type <p> padlist pads assignments
%left '(' ')'
%right '.'
%left '!' '='
-%pure_parser
+%parse-param { void *scanner }
+%parse-param { graph_t *graph }
+%pure-parser
%start graph
%%
-element: IDENTIFIER { $$ = gst_element_factory_make ($1, NULL);
+element: IDENTIFIER { $$ = gst_element_factory_make ($1, NULL);
if ($$ == NULL) {
- SET_ERROR (((graph_t *) graph)->error, GST_PARSE_ERROR_NO_SUCH_ELEMENT, _("no element \"%s\""), $1);
- gst_parse_strfree ($1);
- YYERROR;
+ ADD_MISSING_ELEMENT (graph, $1);
+ SET_ERROR (graph->error, GST_PARSE_ERROR_NO_SUCH_ELEMENT, _("no element \"%s\""), $1);
+ /* if FATAL_ERRORS flag is set, we don't have to worry about backwards
+ * compatibility and can continue parsing and check for other missing
+ * elements */
+ if ((graph->flags & GST_PARSE_FLAG_FATAL_ERRORS) == 0) {
+ gst_parse_strfree ($1);
+ YYERROR;
+ }
}
gst_parse_strfree ($1);
}
;
assignments: /* NOP */ { $$ = NULL; }
| assignments ASSIGNMENT { $$ = g_slist_prepend ($1, $2); }
- ;
-bin: '(' assignments chain ')' { GST_BIN_MAKE ($$, "bin", $3, $2); }
- | BINREF assignments chain ')' { GST_BIN_MAKE ($$, $1, $3, $2);
+ ;
+bin: '(' assignments chain ')' { GST_BIN_MAKE ($$, "bin", $3, $2, no_free); }
+ | BINREF assignments chain ')' { GST_BIN_MAKE ($$, $1, $3, $2, gst_parse_strfree);
gst_parse_strfree ($1);
}
- | BINREF assignments ')' { GST_BIN_MAKE ($$, $1, NULL, $2);
+ | BINREF assignments ')' { GST_BIN_MAKE ($$, $1, NULL, $2, gst_parse_strfree);
gst_parse_strfree ($1);
}
- | BINREF assignments error ')' { GST_BIN_MAKE ($$, $1, NULL, $2);
+ | BINREF assignments error ')' { GST_BIN_MAKE ($$, $1, NULL, $2, gst_parse_strfree);
gst_parse_strfree ($1);
}
;
-
+
pads: PADREF { $$ = g_slist_prepend (NULL, $1); }
| PADREF padlist { $$ = $2;
$$ = g_slist_prepend ($$, $1);
- }
+ }
;
padlist: ',' IDENTIFIER { $$ = g_slist_prepend (NULL, $2); }
| ',' IDENTIFIER padlist { $$ = g_slist_prepend ($3, $2); }
;
-
+
reference: REF { MAKE_REF ($$, $1, NULL); }
| REF padlist { MAKE_REF ($$, $1, $2); }
;
| pads { MAKE_REF ($$, NULL, $1); }
| /* NOP */ { MAKE_REF ($$, NULL, NULL); }
;
-
+
link: linkpart LINK linkpart { $$ = $1;
if ($2) {
$$->caps = gst_caps_from_string ($2);
if ($$->caps == NULL)
- SET_ERROR (((graph_t *) graph)->error, GST_PARSE_ERROR_LINK, _("could not parse caps \"%s\""), $2);
+ SET_ERROR (graph->error, GST_PARSE_ERROR_LINK, _("could not parse caps \"%s\""), $2);
gst_parse_strfree ($2);
}
$$->sink_name = $3->src_name;
gst_parse_link_free ($3);
}
;
-
+
linklist: link { $$ = g_slist_prepend (NULL, $1); }
| link linklist { $$ = g_slist_prepend ($2, $1); }
| linklist error { $$ = $1; }
- ;
+ ;
chain: element { $$ = gst_parse_chain_new ();
$$->first = $$->last = $1;
| bin { $$ = $1; }
| chain chain { if ($1->back && $2->front) {
if (!$1->back->sink_name) {
- SET_ERROR (((graph_t *) graph)->error, GST_PARSE_ERROR_LINK, _("link without source element"));
+ SET_ERROR (graph->error, GST_PARSE_ERROR_LINK, _("link without source element"));
gst_parse_free_link ($1->back);
} else {
- ((graph_t *) graph)->links = g_slist_prepend (((graph_t *) graph)->links, $1->back);
+ graph->links = g_slist_prepend (graph->links, $1->back);
}
if (!$2->front->src_name) {
- SET_ERROR (((graph_t *) graph)->error, GST_PARSE_ERROR_LINK, _("link without sink element"));
+ SET_ERROR (graph->error, GST_PARSE_ERROR_LINK, _("link without sink element"));
gst_parse_free_link ($2->front);
} else {
- ((graph_t *) graph)->links = g_slist_prepend (((graph_t *) graph)->links, $2->front);
+ graph->links = g_slist_prepend (graph->links, $2->front);
}
$1->back = NULL;
} else if ($1->back) {
}
$1->back = $2->front;
}
-
+
if ($1->back) {
- ((graph_t *) graph)->links = g_slist_prepend (((graph_t *) graph)->links, $1->back);
+ graph->links = g_slist_prepend (graph->links, $1->back);
}
$1->last = $2->last;
$1->back = $2->back;
} else {
if (!((link_t *) $2->data)->src_name) {
((link_t *) $2->data)->src = $1->last;
- }
+ }
}
for (walk = $2; walk; walk = walk->next) {
link_t *link = (link_t *) walk->data;
if (!link->sink_name && walk->next) {
- SET_ERROR (((graph_t *) graph)->error, GST_PARSE_ERROR_LINK, _("link without sink element"));
+ SET_ERROR (graph->error, GST_PARSE_ERROR_LINK, _("link without sink element"));
gst_parse_free_link (link);
} else if (!link->src_name && !link->src) {
- SET_ERROR (((graph_t *) graph)->error, GST_PARSE_ERROR_LINK, _("link without source element"));
+ SET_ERROR (graph->error, GST_PARSE_ERROR_LINK, _("link without source element"));
gst_parse_free_link (link);
} else {
if (walk->next) {
- ((graph_t *) graph)->links = g_slist_prepend (((graph_t *) graph)->links, link);
+ graph->links = g_slist_prepend (graph->links, link);
} else {
$1->back = link;
}
| chain error { $$ = $1; }
| link chain { if ($2->front) {
if (!$2->front->src_name) {
- SET_ERROR (((graph_t *) graph)->error, GST_PARSE_ERROR_LINK, _("link without source element"));
+ SET_ERROR (graph->error, GST_PARSE_ERROR_LINK, _("link without source element"));
gst_parse_free_link ($2->front);
} else {
- ((graph_t *) graph)->links = g_slist_prepend (((graph_t *) graph)->links, $2->front);
+ graph->links = g_slist_prepend (graph->links, $2->front);
}
}
if (!$1->sink_name) {
}
| PARSE_URL chain { $$ = $2;
if ($$->front) {
- GstElement *element =
+ GstElement *element =
gst_element_make_from_uri (GST_URI_SRC, $1, NULL);
if (!element) {
- SET_ERROR (((graph_t *) graph)->error, GST_PARSE_ERROR_NO_SUCH_ELEMENT,
+ SET_ERROR (graph->error, GST_PARSE_ERROR_NO_SUCH_ELEMENT,
_("no source element for URI \"%s\""), $1);
} else {
$$->front->src = element;
- ((graph_t *) graph)->links = g_slist_prepend (
- ((graph_t *) graph)->links, $$->front);
+ graph->links = g_slist_prepend (
+ graph->links, $$->front);
$$->front = NULL;
$$->elements = g_slist_prepend ($$->elements, element);
}
} else {
- SET_ERROR (((graph_t *) graph)->error, GST_PARSE_ERROR_LINK,
+ SET_ERROR (graph->error, GST_PARSE_ERROR_LINK,
_("no element to link URI \"%s\" to"), $1);
}
g_free ($1);
| link PARSE_URL { GstElement *element =
gst_element_make_from_uri (GST_URI_SINK, $2, NULL);
if (!element) {
- SET_ERROR (((graph_t *) graph)->error, GST_PARSE_ERROR_NO_SUCH_ELEMENT,
+ SET_ERROR (graph->error, GST_PARSE_ERROR_NO_SUCH_ELEMENT,
_("no sink element for URI \"%s\""), $2);
gst_parse_link_free ($1);
g_free ($2);
YYERROR;
} else if ($1->sink_name || $1->sink_pads) {
gst_object_unref (element);
- SET_ERROR (((graph_t *) graph)->error, GST_PARSE_ERROR_LINK,
+ SET_ERROR (graph->error, GST_PARSE_ERROR_LINK,
_("could not link sink element for URI \"%s\""), $2);
gst_parse_link_free ($1);
g_free ($2);
g_free ($2);
}
;
-graph: /* NOP */ { SET_ERROR (((graph_t *) graph)->error, GST_PARSE_ERROR_EMPTY, _("empty pipeline not allowed"));
- $$ = (graph_t *) graph;
+graph: /* NOP */ { SET_ERROR (graph->error, GST_PARSE_ERROR_EMPTY, _("empty pipeline not allowed"));
+ $$ = graph;
}
- | chain { $$ = (graph_t *) graph;
+ | chain { $$ = graph;
if ($1->front) {
if (!$1->front->src_name) {
- SET_ERROR (((graph_t *) graph)->error, GST_PARSE_ERROR_LINK, _("link without source element"));
+ SET_ERROR (graph->error, GST_PARSE_ERROR_LINK, _("link without source element"));
gst_parse_free_link ($1->front);
} else {
$$->links = g_slist_prepend ($$->links, $1->front);
}
if ($1->back) {
if (!$1->back->sink_name) {
- SET_ERROR (((graph_t *) graph)->error, GST_PARSE_ERROR_LINK, _("link without sink element"));
+ SET_ERROR (graph->error, GST_PARSE_ERROR_LINK, _("link without sink element"));
gst_parse_free_link ($1->back);
} else {
$$->links = g_slist_prepend ($$->links, $1->back);
%%
-extern FILE *_gst_parse_yyin;
-int _gst_parse_yylex (YYSTYPE *lvalp);
-
-static int yylex (void *lvalp) {
- return _gst_parse_yylex ((YYSTYPE*) lvalp);
-}
static int
-yyerror (const char *s)
+yyerror (void *scanner, graph_t *graph, const char *s)
{
/* FIXME: This should go into the GError somehow, but how? */
GST_WARNING ("Error during parsing: %s", s);
return -1;
}
-struct yy_buffer_state * _gst_parse_yy_scan_string (char*);
-void _gst_parse_yy_delete_buffer (struct yy_buffer_state *);
+
GstElement *
-_gst_parse_launch (const gchar *str, GError **error)
+priv_gst_parse_launch (const gchar *str, GError **error, GstParseContext *ctx,
+ GstParseFlags flags)
{
graph_t g;
gchar *dstr;
GSList *walk;
GstBin *bin = NULL;
GstElement *ret;
- struct yy_buffer_state *buf;
-
+ yyscan_t scanner;
+
g_return_val_if_fail (str != NULL, NULL);
+ g_return_val_if_fail (error == NULL || *error == NULL, NULL);
g.chain = NULL;
g.links = NULL;
g.error = error;
-
+ g.ctx = ctx;
+ g.flags = flags;
+
#ifdef __GST_PARSE_TRACE
GST_CAT_DEBUG (GST_CAT_PIPELINE, "TRACE: tracing enabled");
__strings = __chains = __links = 0;
#endif /* __GST_PARSE_TRACE */
dstr = g_strdup (str);
- buf = _gst_parse_yy_scan_string (dstr);
+ priv_gst_parse_yylex_init (&scanner);
+ priv_gst_parse_yy_scan_string (dstr, scanner);
#ifndef YYDEBUG
yydebug = 1;
#endif
- if (yyparse (&g) != 0) {
+ if (yyparse (scanner, &g) != 0) {
SET_ERROR (error, GST_PARSE_ERROR_SYNTAX,
"Unrecoverable syntax error while parsing pipeline %s", str);
-
- _gst_parse_yy_delete_buffer (buf);
+
+ priv_gst_parse_yylex_destroy (scanner);
g_free (dstr);
-
+
goto error1;
}
+ priv_gst_parse_yylex_destroy (scanner);
g_free (dstr);
- _gst_parse_yy_delete_buffer (buf);
-
+
GST_CAT_DEBUG (GST_CAT_PIPELINE, "got %u elements and %u links",
g.chain ? g_slist_length (g.chain->elements) : 0,
g_slist_length (g.links));
-
+
if (!g.chain) {
ret = NULL;
- } else if (!(((chain_t *) g.chain)->elements->next)) {
- /* only one toplevel element */
- ret = (GstElement *) ((chain_t *) g.chain)->elements->data;
- g_slist_free (((chain_t *) g.chain)->elements);
+ } else if (!g.chain->elements->next) {
+ /* only one toplevel element */
+ ret = (GstElement *) g.chain->elements->data;
+ g_slist_free (g.chain->elements);
if (GST_IS_BIN (ret))
bin = GST_BIN (ret);
gst_parse_chain_free (g.chain);
- } else {
+ } else {
/* put all elements in our bin */
bin = GST_BIN (gst_element_factory_make ("pipeline", NULL));
g_assert (bin);
-
+
for (walk = g.chain->elements; walk; walk = walk->next) {
if (walk->data != NULL)
gst_bin_add (bin, GST_ELEMENT (walk->data));
}
-
+
g_slist_free (g.chain->elements);
ret = GST_ELEMENT (bin);
gst_parse_chain_free (g.chain);
}
-
+
/* remove links */
for (walk = g.links; walk; walk = walk->next) {
link_t *l = (link_t *) walk->data;
}
}
if (!l->src) {
- SET_ERROR (error, GST_PARSE_ERROR_NO_SUCH_ELEMENT,
- "No element named \"%s\" - omitting link", l->src_name);
+ if (l->src_name) {
+ SET_ERROR (error, GST_PARSE_ERROR_NO_SUCH_ELEMENT,
+ "No element named \"%s\" - omitting link", l->src_name);
+ } else {
+ /* probably a missing element which we've handled already */
+ }
gst_parse_free_link (l);
continue;
}
}
}
if (!l->sink) {
- SET_ERROR (error, GST_PARSE_ERROR_NO_SUCH_ELEMENT,
- "No element named \"%s\" - omitting link", l->sink_name);
+ if (l->sink_name) {
+ SET_ERROR (error, GST_PARSE_ERROR_NO_SUCH_ELEMENT,
+ "No element named \"%s\" - omitting link", l->sink_name);
+ } else {
+ /* probably a missing element which we've handled already */
+ }
gst_parse_free_link (l);
continue;
}
#endif /* __GST_PARSE_TRACE */
return ret;
-
+
error1:
if (g.chain) {
g_slist_foreach (g.chain->elements, (GFunc)gst_object_unref, NULL);
g_slist_foreach (g.links, (GFunc)gst_parse_free_link, NULL);
g_slist_free (g.links);
-
+
if (error)
g_assert (*error);
ret = NULL;
-
+
goto out;
}