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added better error reporting for plugin loading

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Original commit message from CVS:
added better error reporting for plugin loading
This commit is contained in:
Stefan Kost 2004-09-02 16:39:14 +00:00
parent b32ebdaabe
commit b78ef6baa1
3 changed files with 60 additions and 27 deletions
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71
docs/gst/tmpl/gstvalue.sgml
View file

@ -17,7 +17,11 @@ GValue implementations specific to GStreamer
<!-- ##### MACRO GST_MAKE_FOURCC ##### -->
<para>
will transform four characters into a host-endiannness guint32 fourcc:
<code>guint32 fourcc = GST_MAKE_FOURCC ('M','J','P','G');</code>
<informalexample>
<programlisting>
guint32 fourcc = GST_MAKE_FOURCC ('M','J','P','G');
</programlisting>
</informalexample>
</para>
@a: the first component
@ -28,17 +32,27 @@ will transform four characters into a host-endiannness guint32 fourcc:
<!-- ##### MACRO GST_STR_FOURCC ##### -->
<para>
Creates a fourcc from an input string. The input string should consisnt
of at least four characters (this is not checked for!).
<informalexample>
<programlisting>
guint32 fourcc = GST_STR_FOURCC("MJPG");
</programlisting>
</informalexample>
</para>
@f:
@f: a string with four characters
<!-- ##### MACRO GST_FOURCC_FORMAT ##### -->
<para>
Can be used to properly output a fourcc (a guint32) value in a
printf()-style text message.
<code>printf ("fourcc: %" GST_FOURCC_FORMAT "\n", GST_FOURCC_ARGS (fcc));</code>
<informalexample>
<programlisting>
printf ("fourcc: %" GST_FOURCC_FORMAT "\n", GST_FOURCC_ARGS (fcc));
</programlisting>
</informalexample>
</para>
@ -47,7 +61,11 @@ printf()-style text message.
<para>
Can be used to properly output a fourcc (a guint32) value in a
printf()-style text message.
<code>printf ("fourcc: %" GST_FOURCC_FORMAT "\n", GST_FOURCC_ARGS (fcc));</code>
<informalexample>
<programlisting>
printf ("fourcc: %" GST_FOURCC_FORMAT "\n", GST_FOURCC_ARGS (fcc));
</programlisting>
</informalexample>
</para>
@fourcc: the fourcc value to print
@ -55,84 +73,88 @@ printf()-style text message.
<!-- ##### MACRO GST_VALUE_HOLDS_FOURCC ##### -->
<para>
Checks if the give GValue contains a FOURCC value.
</para>
@x:
@x: the #GValue to check
<!-- ##### MACRO GST_VALUE_HOLDS_INT_RANGE ##### -->
<para>
Checks if the give GValue contains a INT_RANGE value.
</para>
@x:
@x: the #GValue to check
<!-- ##### MACRO GST_VALUE_HOLDS_DOUBLE_RANGE ##### -->
<para>
Checks if the give GValue contains a DOUBLE_RANGE value.
</para>
@x:
@x: the #GValue to check
<!-- ##### MACRO GST_VALUE_HOLDS_LIST ##### -->
<para>
Checks if the give GValue contains a LIST value.
</para>
@x:
@x: the #GValue to check
<!-- ##### MACRO GST_VALUE_HOLDS_FIXED_LIST ##### -->
<para>
Checks if the give GValue contains a FIXED_LIST value.
</para>
@x:
@x: the #GValue to check
<!-- ##### MACRO GST_VALUE_HOLDS_CAPS ##### -->
<para>
Checks if the give GValue contains a CAPS value.
</para>
@x:
@x: the #GValue to check
<!-- ##### MACRO GST_VALUE_HOLDS_FRACTION ##### -->
<para>
Checks if the give GValue contains a FRACTION value.
</para>
@x:
@x: the #GValue to check
<!-- ##### MACRO GST_VALUE_LESS_THAN ##### -->
<para>
Indicates that the first value provided to a comparison function
(gst_value_compare()) is lesser than the second one.
</para>
<!-- ##### MACRO GST_VALUE_EQUAL ##### -->
<para>
Indicates that the first value provided to a comparison function
(gst_value_compare()) is equal to the second one.
</para>
<!-- ##### MACRO GST_VALUE_GREATER_THAN ##### -->
<para>
Indicates that the first value provided to a comparison function
(gst_value_compare()) is greater than the second one.
</para>
<!-- ##### MACRO GST_VALUE_UNORDERED ##### -->
<para>
Indicates that the comparison function (gst_value_compare()) can not
determine a order for the two provided values.
</para>
@ -144,7 +166,8 @@ printf()-style text message.
@value1:
@value2:
@Returns:
@Returns: one of GST_VALUE_LESS_THAN, GST_VALUE_EQUAL,
GST_VALUE_GREATER_THAN or GST_VALUE_UNORDERED
<!-- ##### USER_FUNCTION GstValueSerializeFunc ##### -->

11
gst/gst.c
View file

@ -409,17 +409,24 @@ load_plugin_func (gpointer data, gpointer user_data)
{
GstPlugin *plugin;
const gchar *filename;
GError *err = NULL;
filename = (const gchar *) data;
plugin = gst_plugin_load_file (filename, NULL);
plugin = gst_plugin_load_file (filename, &err);
if (plugin) {
GST_INFO ("Loaded plugin: \"%s\"", filename);
gst_registry_pool_add_plugin (plugin);
} else {
GST_WARNING ("Failed to load plugin: \"%s\"", filename);
if (err) {
/* Report error to user, and free error */
GST_ERROR ("Failed to load plugin: %s\n", err->message);
g_error_free (err);
} else {
GST_WARNING ("Failed to load plugin: \"%s\"", filename);
}
}
g_free (data);

5
gst/gstplugin.c
View file

@ -32,6 +32,7 @@
#include <unistd.h>
#endif
#include <signal.h>
#include <errno.h>
#include "gst_private.h"
@ -324,7 +325,8 @@ gst_plugin_check_file (const gchar * filename, GError ** error)
if (stat (filename, &file_status)) {
g_set_error (error,
GST_PLUGIN_ERROR,
GST_PLUGIN_ERROR_MODULE, "Problem opening file %s\n", filename);
GST_PLUGIN_ERROR_MODULE, "Problem accessing file %s: %s\n", filename,
strerror (errno));
return FALSE;
}
@ -348,6 +350,7 @@ gst_plugin_check_file (const gchar * filename, GError ** error)
return FALSE;
}
/* it's a plugin */
GST_INFO ("looks like a gst plugin \"%s\"", filename);
g_module_close (module);
return TRUE;
}