#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 "../gsturi.h"
#include "types.h"
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
+/* All error messages in this file are user-visible and need to be translated.
+ * 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
#ifdef __GST_PARSE_TRACE
-static uint __strings;
-static uint __links;
-static uint __chains;
+static guint __strings;
+static guint __links;
+static guint __chains;
gchar *
__gst_parse_strdup (gchar *org)
{
+ gchar *ret;
__strings++;
- /* g_print ("ALLOCATED: %p %s\n", org, org); */
- return g_strdup (org);
+ ret = g_strdup (org);
+ /* g_print ("ALLOCATED STR (%3u): %p %s\n", __strings, ret, ret); */
+ return ret;
}
void
__gst_parse_strfree (gchar *str)
{
if (str) {
- /* g_print ("FREEING : %p %s\n", str, str); */
+ /* g_print ("FREEING STR (%3u): %p %s\n", __strings - 1, str, str); */
g_free (str);
g_return_if_fail (__strings > 0);
__strings--;
}
link_t *__gst_parse_link_new ()
{
+ link_t *ret;
__links++;
- return g_new0 (link_t, 1);
+ ret = g_new0 (link_t, 1);
+ /* g_print ("ALLOCATED LINK (%3u): %p\n", __links, ret); */
+ return ret;
}
void
__gst_parse_link_free (link_t *data)
{
if (data) {
+ /* g_print ("FREEING LINK (%3u): %p\n", __links - 1, data); */
g_free (data);
g_return_if_fail (__links > 0);
__links--;
chain_t *
__gst_parse_chain_new ()
{
+ chain_t *ret;
__chains++;
- return g_new0 (chain_t, 1);
+ ret = g_new0 (chain_t, 1);
+ /* g_print ("ALLOCATED CHAIN (%3u): %p\n", __chains, ret); */
+ return ret;
}
void
__gst_parse_chain_free (chain_t *data)
{
- if (data) {
- g_free (data);
- g_return_if_fail (__chains > 0);
- __chains--;
- }
+ /* g_print ("FREEING CHAIN (%3u): %p\n", __chains - 1, data); */
+ g_free (data);
+ g_return_if_fail (__chains > 0);
+ __chains--;
}
#endif /* __GST_PARSE_TRACE */
#ifdef G_HAVE_ISO_VARARGS
#define SET_ERROR(error, type, ...) G_STMT_START{ \
- if (error) { \
- if (*(error)) { \
- g_warning (__VA_ARGS__); \
- } else { \
- g_set_error ((error), GST_PARSE_ERROR, (type), __VA_ARGS__); \
- }\
+ GST_CAT_ERROR (GST_CAT_PIPELINE, __VA_ARGS__); \
+ if ((error) && !*(error)) { \
+ g_set_error ((error), GST_PARSE_ERROR, (type), __VA_ARGS__); \
} \
}G_STMT_END
#define ERROR(type, ...) SET_ERROR (((graph_t *) graph)->error, (type), __VA_ARGS__ )
-#ifdef GST_DEBUG_ENABLED
+#ifndef GST_DISABLE_GST_DEBUG
# define YYDEBUG 1
-# define YYFPRINTF(a, ...) GST_DEBUG (GST_CAT_PIPELINE, __VA_ARGS__)
+ /* bison 1.35 calls this macro with side effects, we need to make sure the
+ side effects work - crappy bison
+# 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); \
+ }G_STMT_END
#endif
#elif defined(G_HAVE_GNUC_VARARGS)
#define SET_ERROR(error, type, args...) G_STMT_START{ \
- if (error) { \
- if (*(error)) { \
- g_warning ( ## args ); \
- } else { \
- g_set_error ((error), GST_PARSE_ERROR, (type), ## args ); \
- }\
+ GST_CAT_ERROR (GST_CAT_PIPELINE, args ); \
+ if ((error) && !*(error)) { \
+ g_set_error ((error), GST_PARSE_ERROR, (type), args ); \
} \
}G_STMT_END
-#define ERROR(type, args...) SET_ERROR (((graph_t *) graph)->error, (type), ## args )
-#ifdef GST_DEBUG_ENABLED
+#define ERROR(type, args...) SET_ERROR (((graph_t *) graph)->error, (type) , args )
+#ifndef GST_DISABLE_GST_DEBUG
# define YYDEBUG 1
-# define YYFPRINTF(a, args...) GST_DEBUG (GST_CAT_PIPELINE, ## args )
+ /* bison 1.35 calls this macro with side effects, we need to make sure the
+ side effects work - crappy bison
+# define YYFPRINTF(a, args...) GST_CAT_DEBUG (GST_CAT_PIPELINE, args )
+ */
+# define YYFPRINTF(a, args...) G_STMT_START{ \
+ gchar *temp = g_strdup_printf ( args ); \
+ GST_CAT_LOG (GST_CAT_PIPELINE, temp); \
+ g_free (temp); \
+ }G_STMT_END
#endif
-#else
+#elif defined(G_HAVE_ISO_VARARGS)
#define SET_ERROR(error, type, ...) G_STMT_START{ \
- if (error) { \
- if (*(error)) { \
- g_warning ("error while parsing"); \
- } else { \
- g_set_error ((error), GST_PARSE_ERROR, (type), "error while parsing"); \
- }\
+ GST_CAT_ERROR (GST_CAT_PIPELINE, "error while parsing" ); \
+ if ((error) && !*(error)) { \
+ g_set_error ((error), GST_PARSE_ERROR, (type), "error while parsing"); \
} \
}G_STMT_END
#define ERROR(type, ...) SET_ERROR (((graph_t *) graph)->error, (type), "error while parsing")
-#ifdef GST_DEBUG_ENABLED
+#ifndef GST_DISABLE_GST_DEBUG
# define YYDEBUG 1
#endif
-#endif // G_HAVE_ISO_VARARGS
+#else
+
+static inline void
+SET_ERROR (GError **error, gint type, const char *format, ...)
+{
+ if (error) {
+ if (*error) {
+ g_warning ("error while parsing");
+ } else {
+ va_list varargs;
+ char *string;
+
+ 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);
+ }
+ }
+}
+
+#ifndef GST_DISABLE_GST_DEBUG
+# define YYDEBUG 1
+static inline void
+YYPRINTF(const char *format, ...)
+{
+ va_list varargs;
+ gchar *temp;
+
+ va_start (varargs, format);
+ temp = g_strdup_vprintf ( format, varargs );
+ GST_CAT_LOG (GST_CAT_PIPELINE, "%s", temp);
+ g_free (temp);
+ va_end (varargs);
+}
+#endif
+
+#endif
-#define GST_BIN_MAKE(res, type, chain, assign) G_STMT_START{ \
+#define GST_BIN_MAKE(res, type, chainval, assign) G_STMT_START{ \
+ chain_t *chain = chainval; \
GSList *walk; \
GstBin *bin = (GstBin *) gst_element_factory_make (type, NULL); \
- if (!bin) { \
- ERROR (GST_PARSE_ERROR_NO_SUCH_ELEMENT, "No bin \"%s\"", type); \
+ if (!chain) { \
+ SET_ERROR (((graph_t *) 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); \
+ YYERROR; \
+ } else if (!bin) { \
+ SET_ERROR (((graph_t *) 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); \
+ res = chain; \
} else { \
- walk = chain->elements; \
- while (walk) { \
+ for (walk = chain->elements; walk; walk = walk->next ) \
gst_bin_add (bin, GST_ELEMENT (walk->data)); \
- walk = walk->next; \
- } \
g_slist_free (chain->elements); \
chain->elements = g_slist_prepend (NULL, bin); \
res = chain; \
/* set the properties now */ \
- walk = assign; \
- while (walk) { \
+ for (walk = assign; walk; walk = walk->next) \
gst_parse_element_set ((gchar *) walk->data, GST_ELEMENT (bin), graph); \
- walk = g_slist_next (walk); \
- } \
g_slist_free (assign); \
} \
}G_STMT_END
MAKE_LINK (link, NULL, _src, pads, NULL, NULL, NULL); \
}G_STMT_END
-static inline void gst_parse_unescape (gchar *str)
-{
- gchar *walk;
-
- g_return_if_fail (str != NULL);
-
- walk = str;
-
- while (*walk) {
- if (*walk == '\\')
- walk++;
- *str = *walk;
- str++;
- walk++;
- }
- *str = '\0';
-}
static void
gst_parse_element_set (gchar *value, GstElement *element, graph_t *graph)
{
GParamSpec *pspec;
gchar *pos = value;
+ GValue v = { 0, };
+ GValue v2 = { 0, };
/* 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++;
}
gst_parse_unescape (pos);
if ((pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (element), value))) {
- GValue v = { 0, };
- GValue v2 = { 0, };
g_value_init (&v, G_PARAM_SPEC_VALUE_TYPE(pspec));
switch (G_TYPE_FUNDAMENTAL (G_PARAM_SPEC_VALUE_TYPE (pspec))) {
case G_TYPE_STRING:
break;
case G_TYPE_ENUM: {
GEnumValue *en;
- gchar **endptr = NULL;
+ gchar *endptr = NULL;
GEnumClass *klass = (GEnumClass *) g_type_class_peek (G_PARAM_SPEC_VALUE_TYPE (pspec));
if (klass == NULL) goto error;
- if (!(en = g_enum_get_value_by_name (klass, pos)))
- en = g_enum_get_value_by_nick (klass, pos);
- if (en) {
- g_value_set_enum (&v, en->value);
- } else {
- gint i = strtol (value, endptr, 0);
- if (**endptr == '\0') {
- g_value_set_enum (&v, i);
- } else {
- goto error;
- }
- }
+ if (!(en = g_enum_get_value_by_name (klass, pos))) {
+ if (!(en = g_enum_get_value_by_nick (klass, pos))) {
+ gint i = strtol (pos, &endptr, 0);
+ if (endptr && *endptr == '\0') {
+ en = g_enum_get_value (klass, i);
+ }
+ }
+ }
+ if (!en)
+ goto error;
+ g_value_set_enum (&v, en->value);
break;
}
case G_TYPE_INT:
case G_TYPE_LONG:
- case G_TYPE_INT64:
+ case G_TYPE_INT64: {
+ gchar *endptr;
+ glong l;
g_value_init (&v2, G_TYPE_LONG);
- g_value_set_long (&v2, strtol (pos, NULL, 0));
- if (!g_value_transform (&v2, &v)) goto error;
+ l = strtol (pos, &endptr, 0);
+ if (*endptr != '\0') goto error_conversion;
+ g_value_set_long (&v2, l);
+ if (!g_value_transform (&v2, &v)) goto error_conversion;
break;
+ }
case G_TYPE_UINT:
case G_TYPE_ULONG:
- case G_TYPE_UINT64:
+ case G_TYPE_UINT64: {
+ gchar *endptr;
+ gulong ul;
g_value_init (&v2, G_TYPE_ULONG);
- g_value_set_ulong (&v2, strtoul (pos, NULL, 0));
- if (!g_value_transform (&v2, &v)) goto error;
- break;
+ ul = strtoul (pos, &endptr, 0);
+ if (*endptr != '\0') goto error_conversion;
+ g_value_set_ulong (&v2, ul);
+ if (!g_value_transform (&v2, &v)) goto error_conversion;
+ break;
+ }
case G_TYPE_FLOAT:
- case G_TYPE_DOUBLE:
+ case G_TYPE_DOUBLE: {
+ gchar *endptr;
+ gdouble d;
g_value_init (&v2, G_TYPE_DOUBLE);
- g_value_set_double (&v2, atof (pos));
- if (!g_value_transform (&v2, &v)) goto error;
- break;
+ d = g_ascii_strtod (pos, &endptr);
+ if (*endptr != '\0') goto error_conversion;
+ g_value_set_double (&v2, d);
+ if (!g_value_transform (&v2, &v)) goto error_conversion;
+ break;
+ }
default:
/* add more */
g_warning ("property \"%s\" in element %s cannot be set", value, GST_ELEMENT_NAME (element));
}
g_object_set_property (G_OBJECT (element), value, &v);
} else {
- ERROR (GST_PARSE_ERROR_NO_SUCH_PROPERTY, "No property \"%s\" in element \"%s\"", value, GST_ELEMENT_NAME (element));
+ SET_ERROR (((graph_t *) 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 (G_IS_VALUE (&v2))
+ g_value_unset (&v2);
return;
error:
- 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_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);
+ goto out;
+error_conversion:
+ SET_ERROR (((graph_t *) graph)->error, GST_PARSE_ERROR_COULD_NOT_SET_PROPERTY,
+ _("could not convert \"%s\" so that it fits property \"%s\" in element \"%s\""),
+ pos, value, GST_ELEMENT_NAME (element));
goto out;
}
static inline void
g_slist_foreach (link->sink_pads, (GFunc) gst_parse_strfree, NULL);
g_slist_free (link->src_pads);
g_slist_free (link->sink_pads);
- gst_caps_unref (link->caps);
+ if (link->caps) gst_caps_free (link->caps);
gst_parse_link_free (link);
}
static void
GList *walk = (GList *) gst_element_get_pad_list (element);
gboolean unlocked_peer = FALSE;
- if (gst_element_is_state_locked (element) == lock)
+ if (gst_element_is_locked_state (element) == lock)
return;
/* check if we have an unlocked peer */
- while (walk) {
+ for (; walk; walk = walk->next) {
pad = (GstPad *) GST_PAD_REALIZE (walk->data);
- walk = walk->next;
if (GST_PAD_IS_SINK (pad) && GST_PAD_PEER (pad) &&
- !gst_element_is_state_locked (GST_PAD_PARENT (GST_PAD_PEER (pad)))) {
+ !gst_element_is_locked_state (GST_PAD_PARENT (GST_PAD_PEER (pad)))) {
unlocked_peer = TRUE;
break;
}
}
- if (lock && !unlocked_peer) {
- gst_element_lock_state (element);
- } else if (!lock) {
- gst_element_unlock_state (element);
+ 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_sync_state_with_parent (element))
+ GST_ELEMENT_ERROR (element, CORE, STATE_CHANGE, (NULL), (NULL));
+ }
} else {
return;
}
/* check if there are other pads to (un)lock */
walk = (GList *) gst_element_get_pad_list (element);
- while (walk) {
+ for (; walk; walk = walk->next) {
pad = (GstPad *) GST_PAD_REALIZE (walk->data);
- walk = walk->next;
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_state_locked (next) != lock)
+ if (gst_element_is_locked_state (next) != lock)
gst_parse_element_lock (next, lock);
}
}
gst_parse_found_pad (GstElement *src, GstPad *pad, gpointer data)
{
DelayedLink *link = (DelayedLink *) data;
- gboolean restart = FALSE;
-
- GST_INFO (GST_CAT_PIPELINE, "trying delayed linking %s:%s to %s:%s",
- GST_ELEMENT_NAME (src), link->src_pad,
- GST_ELEMENT_NAME (link->sink), link->sink_pad);
- if (gst_element_get_state (src) == GST_STATE_PLAYING) {
- restart = TRUE;
- gst_element_set_state (src, GST_STATE_PAUSED);
- }
+ GST_CAT_INFO (GST_CAT_PIPELINE, "trying delayed linking %s:%s to %s:%s",
+ GST_ELEMENT_NAME (src), link->src_pad,
+ GST_ELEMENT_NAME (link->sink), link->sink_pad);
+
if (gst_element_link_pads_filtered (src, link->src_pad, link->sink, link->sink_pad, link->caps)) {
/* do this here, we don't want to get any problems later on when unlocking states */
- GST_DEBUG (GST_CAT_PIPELINE, "delayed linking %s:%s to %s:%s worked",
- GST_ELEMENT_NAME (src), link->src_pad,
- GST_ELEMENT_NAME (link->sink), link->sink_pad);
- if (restart) {
- gst_element_set_state (src, GST_STATE_PLAYING);
- }
+ GST_CAT_DEBUG (GST_CAT_PIPELINE, "delayed linking %s:%s to %s:%s worked",
+ GST_ELEMENT_NAME (src), link->src_pad,
+ GST_ELEMENT_NAME (link->sink), link->sink_pad);
g_signal_handler_disconnect (src, link->signal_id);
g_free (link->src_pad);
g_free (link->sink_pad);
- gst_caps_unref (link->caps);
- if (!gst_element_is_state_locked (src))
+ if (link->caps) gst_caps_free (link->caps);
+ if (!gst_element_is_locked_state (src))
gst_parse_element_lock (link->sink, FALSE);
g_free (link);
- } else {
- if (restart) {
- gst_element_set_state (src, GST_STATE_PLAYING);
- }
}
}
/* both padnames and the caps may be NULL */
{
GList *templs = gst_element_get_pad_template_list (src);
- while (templs) {
+ 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);
+
/* TODO: maybe we should check if src_pad matches this template's names */
- GST_DEBUG (GST_CAT_PIPELINE, "trying delayed link %s:%s to %s:%s",
- GST_ELEMENT_NAME (src), src_pad, GST_ELEMENT_NAME (sink), sink_pad);
+ GST_CAT_DEBUG (GST_CAT_PIPELINE, "trying delayed link %s:%s to %s:%s",
+ GST_ELEMENT_NAME (src), src_pad, GST_ELEMENT_NAME (sink), sink_pad);
- DelayedLink *data = g_new (DelayedLink, 1);
data->src_pad = g_strdup (src_pad);
data->sink = sink;
data->sink_pad = g_strdup (sink_pad);
- data->caps = gst_caps_ref (caps);
+ if (caps) {
+ data->caps = gst_caps_copy (caps);
+ } else {
+ data->caps = NULL;
+ }
data->signal_id = g_signal_connect (G_OBJECT (src), "new_pad",
G_CALLBACK (gst_parse_found_pad), data);
return TRUE;
}
- templs = g_list_next (templs);
}
return FALSE;
}
-/**
+/*
* performs a link and frees the struct. src and sink elements must be given
- * return values: 0 - link performed
+ * return values 0 - link performed
* 1 - link delayed
* <0 - error
*/
g_assert (GST_IS_ELEMENT (src));
g_assert (GST_IS_ELEMENT (sink));
- GST_INFO (GST_CAT_PIPELINE, "linking %s(%s):%u to %s(%s):%u",
- GST_ELEMENT_NAME (src), link->src_name ? link->src_name : "---", g_slist_length (srcs),
- GST_ELEMENT_NAME (sink), link->sink_name ? link->sink_name : "---", g_slist_length (sinks));
-
+ GST_CAT_INFO (GST_CAT_PIPELINE, "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 (!srcs || !sinks) {
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_state_locked (src));
+ 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,
srcs = g_slist_next (srcs);
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_state_locked (src));
+ gst_parse_element_lock (sink, gst_element_is_locked_state (src));
continue;
} else {
if (gst_parse_perform_delayed_link (src, src_pad,
return 0;
error:
- ERROR (GST_PARSE_ERROR_LINK, "could not link %s to %s", GST_ELEMENT_NAME (src), GST_ELEMENT_NAME (sink));
+ SET_ERROR (((graph_t *) 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);
return -1;
}
graph_t *g;
}
+%token <s> PARSE_URL
%token <s> IDENTIFIER
%left <s> REF PADREF BINREF
%token <s> ASSIGNMENT
+%token <s> LINK
%type <g> graph
%type <c> chain bin
%type <l> reference
%type <l> linkpart link
%type <p> linklist
-%type <e> element
+%type <e> element
%type <p> padlist pads assignments
-
%left '{' '}' '(' ')'
%left ','
%right '.'
%%
element: IDENTIFIER { $$ = gst_element_factory_make ($1, NULL);
- if (!$$) ERROR (GST_PARSE_ERROR_NO_SUCH_ELEMENT, "No element \"%s\"", $1);
+ if (!$$)
+ SET_ERROR (((graph_t *) graph)->error, GST_PARSE_ERROR_NO_SUCH_ELEMENT, _("no element \"%s\""), $1);
gst_parse_strfree ($1);
+ if (!$$)
+ YYERROR;
}
| element ASSIGNMENT { gst_parse_element_set ($2, $1, graph);
$$ = $1;
}
;
-
assignments: /* NOP */ { $$ = NULL; }
| assignments ASSIGNMENT { $$ = g_slist_prepend ($1, $2); }
-
-bin: '{' assignments chain '}' { GST_BIN_MAKE ($$, "thread", $3, $2); }
- | '(' assignments chain ')' { GST_BIN_MAKE ($$, "bin", $3, $2); }
+ ;
+bin: '{' assignments chain '}' { GST_BIN_MAKE ($$, "thread", $3, $2); }
+ | '(' assignments chain ')' { GST_BIN_MAKE ($$, "bin", $3, $2); }
| BINREF assignments chain ')' { GST_BIN_MAKE ($$, $1, $3, $2);
gst_parse_strfree ($1);
}
+ | '{' assignments '}' { GST_BIN_MAKE ($$, "thread", NULL, $2); }
+ | '(' assignments '}' { GST_BIN_MAKE ($$, "thread", NULL, $2); }
+ | BINREF assignments ')' { GST_BIN_MAKE ($$, $1, NULL, $2);
+ gst_parse_strfree ($1);
+ }
+ | '{' assignments error '}' { GST_BIN_MAKE ($$, "thread", NULL, $2); }
+ | '(' assignments error '}' { GST_BIN_MAKE ($$, "thread", NULL, $2); }
+ | BINREF assignments error ')' { GST_BIN_MAKE ($$, $1, NULL, $2);
+ 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); }
;
| /* NOP */ { MAKE_REF ($$, NULL, NULL); }
;
-link: linkpart '!' linkpart { $$ = $1;
+link: linkpart LINK linkpart { $$ = $1;
+ if ($2) {
+ $$->caps = gst_caps_from_string ($2);
+ if (!$$->caps)
+ SET_ERROR (((graph_t *) graph)->error, GST_PARSE_ERROR_LINK, _("could not parse caps \"%s\""), $2);
+ gst_parse_strfree ($2);
+ }
$$->sink_name = $3->src_name;
$$->sink_pads = $3->src_pads;
gst_parse_link_free ($3);
linklist: link { $$ = g_slist_prepend (NULL, $1); }
| link linklist { $$ = g_slist_prepend ($2, $1); }
+ | linklist error { $$ = $1; }
;
-
+
chain: element { $$ = gst_parse_chain_new ();
$$->first = $$->last = $1;
$$->front = $$->back = NULL;
| bin { $$ = $1; }
| chain chain { if ($1->back && $2->front) {
if (!$1->back->sink_name) {
- ERROR (GST_PARSE_ERROR_LINK, "link without source element");
+ SET_ERROR (((graph_t *) 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);
}
if (!$2->front->src_name) {
- ERROR (GST_PARSE_ERROR_LINK, "link without sink element");
+ SET_ERROR (((graph_t *) 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);
} else if ($1->back) {
if (!$1->back->sink_name) {
$1->back->sink = $2->first;
- } else {
- ((graph_t *) graph)->links = g_slist_prepend (((graph_t *) graph)->links, $1->back);
- $1->back = NULL;
}
} else if ($2->front) {
if (!$2->front->src_name) {
$2->front->src = $1->last;
- $1->back = $2->front;
- } else {
- ((graph_t *) graph)->links = g_slist_prepend (((graph_t *) graph)->links, $2->front);
}
+ $1->back = $2->front;
}
- if ($1->back)
- gst_parse_perform_link ($1->back, (graph_t *) graph);
+ if ($1->back) {
+ if (!$1->back->sink || !$1->back->src) {
+ ((graph_t *) graph)->links = g_slist_prepend (((graph_t *) graph)->links, $1->back);
+ $1->back = NULL;
+ } else {
+ gst_parse_perform_link ($1->back, (graph_t *) graph);
+ }
+ }
$1->last = $2->last;
$1->back = $2->back;
$1->elements = g_slist_concat ($1->elements, $2->elements);
- gst_parse_chain_free ($2);
+ if ($2)
+ gst_parse_chain_free ($2);
$$ = $1;
}
- | link chain { if ($2->front) {
- if (!$2->front->src_name) {
- ERROR (GST_PARSE_ERROR_LINK, "link without source element");
- gst_parse_free_link ($2->front);
- } else {
- ((graph_t *) graph)->links = g_slist_prepend (((graph_t *) graph)->links, $2->front);
- }
- }
- if (!$1->sink_name) {
- $1->sink = $2->first;
- }
- $2->front = $1;
- $$ = $2;
- }
-
| chain linklist { GSList *walk;
if ($1->back) {
- g_slist_prepend ($2, $1->back);
+ $2 = g_slist_prepend ($2, $1->back);
$1->back = NULL;
} else {
if (!((link_t *) $2->data)->src_name) {
((link_t *) $2->data)->src = $1->last;
}
}
- walk = $2;
- while (walk) {
+ for (walk = $2; walk; walk = walk->next) {
link_t *link = (link_t *) walk->data;
- walk = walk->next;
- if (!link->sink_name) {
- ERROR (GST_PARSE_ERROR_LINK, "link without sink element");
+ if (!link->sink_name && walk->next) {
+ SET_ERROR (((graph_t *) graph)->error, GST_PARSE_ERROR_LINK, _("link without sink element"));
gst_parse_free_link (link);
} else if (!link->src_name && !link->src) {
- ERROR (GST_PARSE_ERROR_LINK, "link without source element");
+ SET_ERROR (((graph_t *) graph)->error, GST_PARSE_ERROR_LINK, _("link without source element"));
gst_parse_free_link (link);
} else {
- if (walk) {
+ if (walk->next) {
((graph_t *) graph)->links = g_slist_prepend (((graph_t *) graph)->links, link);
} else {
$1->back = link;
g_slist_free ($2);
$$ = $1;
}
+ | chain error { $$ = $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"));
+ gst_parse_free_link ($2->front);
+ } else {
+ ((graph_t *) graph)->links = g_slist_prepend (((graph_t *) graph)->links, $2->front);
+ }
+ }
+ if (!$1->sink_name) {
+ $1->sink = $2->first;
+ }
+ $2->front = $1;
+ $$ = $2;
+ }
+ | PARSE_URL chain { $$ = $2;
+ if ($$->front) {
+ GstElement *element =
+ gst_element_make_from_uri (GST_URI_SRC, $1, NULL);
+ if (!element) {
+ SET_ERROR (((graph_t *) graph)->error, GST_PARSE_ERROR_NO_SUCH_ELEMENT,
+ _("no source element for URI \"%s\""), $1);
+ } else {
+ $$->front->src = element;
+ ((graph_t *) graph)->links = g_slist_prepend (
+ ((graph_t *) graph)->links, $$->front);
+ $$->front = NULL;
+ $$->elements = g_slist_prepend ($$->elements, element);
+ }
+ } else {
+ SET_ERROR (((graph_t *) 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,
+ _("no sink element for URI \"%s\""), $2);
+ YYERROR;
+ } else if ($1->sink_name || $1->sink_pads) {
+ SET_ERROR (((graph_t *) graph)->error, GST_PARSE_ERROR_LINK,
+ _("could not link sink element for URI \"%s\""), $2);
+ YYERROR;
+ } else {
+ $$ = gst_parse_chain_new ();
+ $$->first = $$->last = element;
+ $$->front = $1;
+ $$->front->sink = element;
+ $$->elements = g_slist_prepend (NULL, element);
+ }
+ g_free ($2);
+ }
;
-
-graph: chain { $$ = (graph_t *) graph;
+graph: /* NOP */ { SET_ERROR (((graph_t *) graph)->error, GST_PARSE_ERROR_EMPTY, _("empty pipeline not allowed"));
+ $$ = (graph_t *) graph;
+ }
+ | chain { $$ = (graph_t *) graph;
if ($1->front) {
if (!$1->front->src_name) {
- ERROR (GST_PARSE_ERROR_LINK, "link without source element");
+ SET_ERROR (((graph_t *) graph)->error, GST_PARSE_ERROR_LINK, _("link without source element"));
gst_parse_free_link ($1->front);
} else {
$$->links = g_slist_prepend ($$->links, $1->front);
}
if ($1->back) {
if (!$1->back->sink_name) {
- ERROR (GST_PARSE_ERROR_LINK, "link without sink element");
+ SET_ERROR (((graph_t *) graph)->error, GST_PARSE_ERROR_LINK, _("link without sink element"));
gst_parse_free_link ($1->back);
} else {
$$->links = g_slist_prepend ($$->links, $1->back);
yyerror (const char *s)
{
/* FIXME: This should go into the GError somehow, but how? */
- g_warning ("error: %s\n", s);
+ g_warning ("error: %s", s);
return -1;
}
-int _gst_parse_yy_scan_string (char*);
+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)
{
GSList *walk;
GstBin *bin = NULL;
GstElement *ret;
+ struct yy_buffer_state *buf;
g_return_val_if_fail (str != NULL, NULL);
g.error = error;
#ifdef __GST_PARSE_TRACE
- GST_DEBUG (GST_CAT_PIPELINE, "TRACE: tracing enabled");
+ GST_CAT_DEBUG (GST_CAT_PIPELINE, "TRACE: tracing enabled");
__strings = __chains = __links = 0;
#endif /* __GST_PARSE_TRACE */
dstr = g_strdup (str);
- _gst_parse_yy_scan_string (dstr);
+ buf = _gst_parse_yy_scan_string (dstr);
-#ifdef DEBUG
+#ifndef GST_DISABLE_GST_DEBUG
yydebug = 1;
#endif
if (yyparse (&g) != 0) {
- SET_ERROR (error, GST_PARSE_ERROR_SYNTAX, "Unrecoverable syntax error while parsing pipeline");
+ SET_ERROR (error, GST_PARSE_ERROR_SYNTAX, "Unrecoverable syntax error while parsing pipeline %s", str);
goto error1;
}
g_free (dstr);
+ _gst_parse_yy_delete_buffer (buf);
- GST_INFO (GST_CAT_PIPELINE, "got %u elements and %u links", g.chain ? g_slist_length (g.chain->elements) : 0, g_slist_length (g.links));
+ 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;
g_slist_free (((chain_t *) g.chain)->elements);
if (GST_IS_BIN (ret))
bin = GST_BIN (ret);
+ gst_parse_chain_free (g.chain);
} else {
/* put all elements in our bin */
bin = GST_BIN (gst_element_factory_make ("pipeline", NULL));
g_assert (bin);
- walk = g.chain->elements;
- while (walk) {
+
+ for (walk = g.chain->elements; walk; walk = walk->next)
gst_bin_add (bin, GST_ELEMENT (walk->data));
- walk = g_slist_next (walk);
- }
+
g_slist_free (g.chain->elements);
ret = GST_ELEMENT (bin);
+ gst_parse_chain_free (g.chain);
}
- gst_parse_chain_free (g.chain);
/* remove links */
- walk = g.links;
- while (walk) {
+ for (walk = g.links; walk; walk = walk->next) {
link_t *l = (link_t *) walk->data;
- GstElement *sink;
- walk = g_slist_next (walk);
if (!l->src) {
if (l->src_name) {
if (bin) {
continue;
}
}
- sink = l->sink;
gst_parse_perform_link (l, &g);
}
g_slist_free (g.links);
out:
#ifdef __GST_PARSE_TRACE
- GST_DEBUG (GST_CAT_PIPELINE, "TRACE: %u strings, %u chains and %u links left", __strings, __chains, __links);
+ GST_CAT_DEBUG (GST_CAT_PIPELINE, "TRACE: %u strings, %u chains and %u links left", __strings, __chains, __links);
if (__strings || __chains || __links) {
g_warning ("TRACE: %u strings, %u chains and %u links left", __strings, __chains, __links);
}
g_free (dstr);
if (g.chain) {
- walk = g.chain->elements;
- while (walk) {
- gst_object_unref (GST_OBJECT (walk->data));
- walk = walk->next;
- }
+ g_slist_foreach (g.chain->elements, (GFunc)gst_object_unref, NULL);
g_slist_free (g.chain->elements);
+ gst_parse_chain_free (g.chain);
}
- gst_parse_chain_free (g.chain);
-
- walk = g.links;
- while (walk) {
- gst_parse_free_link ((link_t *) walk->data);
- walk = walk->next;
- }
+
+ g_slist_foreach (g.links, (GFunc)gst_parse_free_link, NULL);
g_slist_free (g.links);
- g_assert (*error);
+ if (error)
+ g_assert (*error);
ret = NULL;
goto out;
projects / platform / upstream / gstreamer.git / blobdiff