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mpdparser: Use 64 bit integer format strings when passing a 64 bit integer

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Otherwise we'll only get half of its bits printed on 32 bit architectures.

For this, promote the %d-style format strings to something that accepts
64 bit integers with G_GINT64_MODIFIER.
This commit is contained in:
Sebastian Dröge 2015-06-04 11:05:07 +02:00
parent 1be223fdc3
commit 60047b6b92
1 changed files with 42 additions and 3 deletions
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45
ext/dash/gstmpdparser.c
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@ -2575,6 +2575,43 @@ validate_format (const gchar * format)
return TRUE;
}
static gchar *
promote_format_to_uint64 (const gchar * format)
{
gchar *p;
gchar *promoted_format;
/* Must be called with a validated format! */
g_return_val_if_fail (validate_format (format), NULL);
/* Check if there is a % at all */
p = strchr (format, '%');
if (!p)
return g_strdup (format);
p++;
/* Following the % must be a 0, or any of d, x or u.
* x and u are not part of the spec, but don't hurt us
*/
if (p[0] == '0') {
p++;
while (g_ascii_isdigit (*p))
p++;
}
/* After any 0 and alphanumeric values, there must be
* an d, x or u. Otherwise validation would have failed
*/
g_assert (p[0] == 'd' || p[0] == 'x' || p[0] != 'u');
promoted_format =
g_strdup_printf ("%.*s" G_GINT64_MODIFIER "%s", (gint) (p - format),
format, p);
return promoted_format;
}
static gchar *
gst_mpdparser_build_URL_from_template (const gchar * url_template,
const gchar * id, guint number, guint bandwidth, guint64 time)
@ -2622,15 +2659,17 @@ gst_mpdparser_build_URL_from_template (const gchar * url_template,
g_free (token);
last_token_par = TRUE;
} else if (!strncmp (token, "Time", 4)) {
gchar *promoted_format;
if (strlen (token) > 4) {
format = token + 4; /* format tag */
} else {
format = "%" G_GUINT64_FORMAT;
}
if (!validate_format (format))
goto invalid_format;
tokens[i] = g_strdup_printf (format, time);
promoted_format = promote_format_to_uint64 (format);
tokens[i] = g_strdup_printf (promoted_format, time);
g_free (promoted_format);
g_free (token);
last_token_par = TRUE;
} else if (!g_strcmp0 (token, "")) {