gst/: Bunch of gratuitous nano-optimisations.

Original commit message from CVS:
* gst/gstcaps.c: (gst_caps_to_string):
* gst/gstinfo.c: (gst_debug_construct_term_color):
* gst/gstparse.c: (gst_parse_launchv):
* gst/gstutils.c: (gst_util_dump_mem):
* gst/gstvalue.c: (gst_value_serialize_any_list),
(gst_value_transform_any_list_string):
Bunch of gratuitous nano-optimisations.
This commit is contained in:
Tim-Philipp Müller 2007-12-28 14:15:53 +00:00
parent dd739adfa7
commit 5cb869bfdf
6 changed files with 26 additions and 15 deletions

View file

@ -1,3 +1,13 @@
2007-12-28 Tim-Philipp Müller <tim at centricular dot net>
* gst/gstcaps.c: (gst_caps_to_string):
* gst/gstinfo.c: (gst_debug_construct_term_color):
* gst/gstparse.c: (gst_parse_launchv):
* gst/gstutils.c: (gst_util_dump_mem):
* gst/gstvalue.c: (gst_value_serialize_any_list),
(gst_value_transform_any_list_string):
Bunch of gratuitous nano-optimisations.
2007-12-28 Tim-Philipp Müller <tim at centricular dot net>
* tests/check/generic/sinks.c: (async_done_func),

View file

@ -1799,7 +1799,7 @@ gst_caps_to_string (const GstCaps * caps)
if (i > 0) {
/* ';' is now added by gst_structure_to_string */
g_string_append (s, " ");
g_string_append_c (s, ' ');
}
structure = gst_caps_get_structure (caps, i);

View file

@ -573,15 +573,14 @@ gchar *
gst_debug_construct_term_color (guint colorinfo)
{
GString *color;
gchar *ret;
color = g_string_new ("\033[00");
if (colorinfo & GST_DEBUG_BOLD) {
g_string_append (color, ";01");
g_string_append_len (color, ";01", 3);
}
if (colorinfo & GST_DEBUG_UNDERLINE) {
g_string_append (color, ";04");
g_string_append_len (color, ";04", 3);
}
if (colorinfo & GST_DEBUG_FG_MASK) {
g_string_append_printf (color, ";3%1d", colorinfo & GST_DEBUG_FG_MASK);
@ -590,11 +589,9 @@ gst_debug_construct_term_color (guint colorinfo)
g_string_append_printf (color, ";4%1d",
(colorinfo & GST_DEBUG_BG_MASK) >> 4);
}
g_string_append (color, "m");
g_string_append_c (color, 'm');
ret = color->str;
g_string_free (color, FALSE);
return ret;
return g_string_free (color, FALSE);
}
/**

View file

@ -112,7 +112,7 @@ gst_parse_launchv (const gchar ** argv, GError ** error)
tmp = _gst_parse_escape (arg);
g_string_append (str, tmp);
g_free (tmp);
g_string_append (str, " ");
g_string_append_c (str, ' ');
argvp++;
}

View file

@ -57,9 +57,9 @@ gst_util_dump_mem (const guchar * mem, guint size)
i = j = 0;
while (i < size) {
if (g_ascii_isprint (mem[i]))
g_string_append_printf (chars, "%c", mem[i]);
g_string_append_c (chars, mem[i]);
else
g_string_append_printf (chars, ".");
g_string_append_c (chars, '.');
g_string_append_printf (string, "%02x ", mem[i]);

View file

@ -97,14 +97,16 @@ gst_value_serialize_any_list (const GValue * value, const gchar * begin,
GValue *v;
gchar *s_val;
s = g_string_new (begin);
/* estimate minimum string length to minimise re-allocs in GString */
s = g_string_sized_new (2 + (6 * array->len) + 2);
g_string_append (s, begin);
for (i = 0; i < array->len; i++) {
v = &g_array_index (array, GValue, i);
s_val = gst_value_serialize (v);
g_string_append (s, s_val);
g_free (s_val);
if (i < array->len - 1) {
g_string_append (s, ", ");
g_string_append_len (s, ", ", 2);
}
}
g_string_append (s, end);
@ -123,12 +125,14 @@ gst_value_transform_any_list_string (const GValue * src_value,
array = src_value->data[0].v_pointer;
s = g_string_new (begin);
/* estimate minimum string length to minimise re-allocs in GString */
s = g_string_sized_new (2 + (10 * array->len) + 2);
g_string_append (s, begin);
for (i = 0; i < array->len; i++) {
list_value = &g_array_index (array, GValue, i);
if (i != 0) {
g_string_append (s, ", ");
g_string_append_len (s, ", ", 2);
}
list_s = g_strdup_value_contents (list_value);
g_string_append (s, list_s);