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dump2dot: improve caps logging

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Factor out code to describe caps. Improve formating (no \n in caps fields).
Check peer caps too and show both if they differ.
This commit is contained in:
Stefan Kost 2009-03-08 00:27:26 +02:00
parent 687da8d289
commit fd0b4ff60b
1 changed files with 78 additions and 14 deletions
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96
gst/gstdebugutils.c
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@ -204,15 +204,65 @@ debug_dump_element_pad (GstPad * pad, GstElement * element,
g_free (spc);
}
static gchar *
debug_dump_describe_caps (GstCaps * caps, GstDebugGraphDetails details,
gboolean * need_free)
{
gchar *media = NULL;
if (details & GST_DEBUG_GRAPH_SHOW_CAPS_DETAILS) {
gchar *tmp = gst_caps_to_string (caps);
gboolean in_bracket = FALSE;
gint i, sl = strlen (tmp);
for (i = 0; i < sl; i++) {
switch (tmp[i]) {
case ';':
if (i < (sl - 1))
tmp[i] = '\n';
else
tmp[i] = '\0';
break;
case ',':
if (!in_bracket)
tmp[i] = '\n';
break;
case '(':
case '{':
case '[':
in_bracket = TRUE;
break;
case ')':
case '}':
case ']':
in_bracket = FALSE;
break;
}
}
media = g_strescape (tmp, NULL);
*need_free = TRUE;
g_free (tmp);
} else {
if (GST_CAPS_IS_SIMPLE (caps))
media =
(gchar *) gst_structure_get_name (gst_caps_get_structure (caps, 0));
else
media = "*";
*need_free = FALSE;
}
return media;
}
static void
debug_dump_element_pad_link (GstPad * pad, GstElement * element,
GstDebugGraphDetails details, FILE * out, const gint indent)
{
GstElement *peer_element, *target_element;
GstPad *peer_pad, *target_pad, *tmp_pad;
GstCaps *caps;
GstStructure *structure;
gboolean free_caps, free_media;
GstCaps *caps, *peer_caps;
gboolean free_caps, free_peer_caps, free_media;
gchar *media = NULL;
gchar *pad_name, *element_name;
gchar *peer_pad_name, *peer_element_name;
@ -238,25 +288,39 @@ debug_dump_element_pad_link (GstPad * pad, GstElement * element,
media = "?";
}
}
if (caps) {
if (details & GST_DEBUG_GRAPH_SHOW_CAPS_DETAILS) {
gchar *tmp = g_strdelimit (gst_caps_to_string (caps), ",",
'\n');
media = g_strescape (tmp, NULL);
free_media = TRUE;
g_free (tmp);
if ((peer_caps = gst_pad_get_negotiated_caps (peer_pad))) {
free_peer_caps = TRUE;
} else {
if (GST_CAPS_IS_SIMPLE (caps)) {
structure = gst_caps_get_structure (caps, 0);
media = (gchar *) gst_structure_get_name (structure);
} else
media = "*";
free_peer_caps = FALSE;
peer_caps = (GstCaps *) gst_pad_get_pad_template_caps (peer_pad);
}
if (caps) {
media = debug_dump_describe_caps (caps, details, &free_media);
/* check if peer caps are different */
if (peer_caps && !gst_caps_is_equal (caps, peer_caps)) {
gchar *old_media = media;
gchar *tmp;
gboolean free_tmp;
tmp = debug_dump_describe_caps (peer_caps, details, &free_tmp);
if (gst_pad_get_direction (pad) == GST_PAD_SRC) {
media = g_strdup_printf ("%s\\n---\\n%s", media, tmp);
} else {
media = g_strdup_printf ("%s\\n---\\n%s", tmp, media);
}
if (free_media)
g_free (old_media);
if (free_tmp)
g_free (tmp);
free_media = TRUE;
}
if (free_caps) {
gst_caps_unref (caps);
}
}
if (free_peer_caps && peer_caps) {
gst_caps_unref (peer_caps);
}
}
pad_name = debug_dump_make_object_name (GST_OBJECT (pad));