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value: Fixed serialization for short fourccs.

Browse source 
"Y16 " and "Y8  " were not displayed properly because the space
character is not alnum.  A unit test is also included.

Fixes bug #621282.
This commit is contained in:
Martin Bisson 2010-06-11 22:56:13 +00:00 committed by Sebastian Dröge
parent ad9f5e11d0
commit ab0763f0e8
2 changed files with 63 additions and 8 deletions
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28
gst/gstvalue.c
View file

@ -683,10 +683,16 @@ gst_value_transform_fourcc_string (const GValue * src_value,
{
guint32 fourcc = src_value->data[0].v_int;
if (g_ascii_isprint ((fourcc >> 0) & 0xff) &&
g_ascii_isprint ((fourcc >> 8) & 0xff) &&
g_ascii_isprint ((fourcc >> 16) & 0xff) &&
g_ascii_isprint ((fourcc >> 24) & 0xff)) {
gchar fourcc_char[4] = {
(fourcc >> 0) & 0xff,
(fourcc >> 8) & 0xff,
(fourcc >> 16) & 0xff,
(fourcc >> 24) & 0xff
};
if ((g_ascii_isalnum (fourcc_char[0]) || fourcc_char[0] == ' ') &&
(g_ascii_isalnum (fourcc_char[1]) || fourcc_char[1] == ' ') &&
(g_ascii_isalnum (fourcc_char[2]) || fourcc_char[2] == ' ') &&
(g_ascii_isalnum (fourcc_char[3]) || fourcc_char[3] == ' ')) {
dest_value->data[0].v_pointer =
g_strdup_printf ("%" GST_FOURCC_FORMAT, GST_FOURCC_ARGS (fourcc));
} else {
@ -707,10 +713,16 @@ gst_value_serialize_fourcc (const GValue * value)
{
guint32 fourcc = value->data[0].v_int;
if (g_ascii_isalnum ((fourcc >> 0) & 0xff) &&
g_ascii_isalnum ((fourcc >> 8) & 0xff) &&
g_ascii_isalnum ((fourcc >> 16) & 0xff) &&
g_ascii_isalnum ((fourcc >> 24) & 0xff)) {
gchar fourcc_char[4] = {
(fourcc >> 0) & 0xff,
(fourcc >> 8) & 0xff,
(fourcc >> 16) & 0xff,
(fourcc >> 24) & 0xff
};
if ((g_ascii_isalnum (fourcc_char[0]) || fourcc_char[0] == ' ') &&
(g_ascii_isalnum (fourcc_char[1]) || fourcc_char[1] == ' ') &&
(g_ascii_isalnum (fourcc_char[2]) || fourcc_char[2] == ' ') &&
(g_ascii_isalnum (fourcc_char[3]) || fourcc_char[3] == ' ')) {
return g_strdup_printf ("%" GST_FOURCC_FORMAT, GST_FOURCC_ARGS (fourcc));
} else {
return g_strdup_printf ("0x%08x", fourcc);

43
tests/check/gst/gstvalue.c
View file

@ -24,6 +24,48 @@
#include <gst/check/gstcheck.h>
GST_START_TEST (test_serialize_fourcc)
{
int i;
guint32 fourccs[] = {
GST_MAKE_FOURCC ('Y', 'U', 'Y', '2'),
GST_MAKE_FOURCC ('Y', '8', '0', '0'),
GST_MAKE_FOURCC ('Y', '8', ' ', ' '),
GST_MAKE_FOURCC ('Y', '1', '6', ' '),
GST_MAKE_FOURCC ('Y', 'U', 'Y', '_'),
GST_MAKE_FOURCC ('Y', 'U', 'Y', '#'),
};
gint fourccs_size = sizeof (fourccs) / sizeof (fourccs[0]);
const gchar *fourcc_strings[] = {
"YUY2",
"Y800",
"Y8 ",
"Y16 ",
"0x5f595559", /* Ascii values of YUY_ */
"0x23595559", /* Ascii values of YUY# */
};
gint fourcc_strings_size =
sizeof (fourcc_strings) / sizeof (fourcc_strings[0]);
fail_unless (fourccs_size == fourcc_strings_size);
for (i = 0; i < fourccs_size; ++i) {
gchar *str;
GValue value = { 0 };
g_value_init (&value, GST_TYPE_FOURCC);
gst_value_set_fourcc (&value, fourccs[i]);
str = gst_value_serialize (&value);
fail_unless (strcmp (str, fourcc_strings[i]) == 0);
g_free (str);
}
}
GST_END_TEST;
GST_START_TEST (test_deserialize_buffer)
{
GValue value = { 0 };
@ -1762,6 +1804,7 @@ gst_value_suite (void)
TCase *tc_chain = tcase_create ("general");
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_serialize_fourcc);
tcase_add_test (tc_chain, test_deserialize_buffer);
tcase_add_test (tc_chain, test_serialize_buffer);
tcase_add_test (tc_chain, test_deserialize_gint);