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RTSPRange: Add method to serialize ranges

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Add gst_rtsp_range_to_string() to serialize a GstRTSPRange to a string that can
be used by a server.
API: GstRTSPRange::gst_rtsp_range_to_string()
This commit is contained in:
Wim Taymans 2009-02-04 17:03:52 +01:00
parent 4bb5722f1a
commit 76112f9f04
3 changed files with 84 additions and 0 deletions
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1
docs/libs/gst-plugins-base-libs-sections.txt
View file

@ -1261,6 +1261,7 @@ GstRTSPTimeRange
GstRTSPTime
GstRTSPTimeType
gst_rtsp_range_parse
gst_rtsp_range_to_string
gst_rtsp_range_free
</SECTION>

82
gst-libs/gst/rtsp/gstrtsprange.c
View file

@ -180,6 +180,88 @@ invalid:
}
}
static gboolean
npt_time_string (const GstRTSPTime * time, GString * string)
{
gboolean res = TRUE;;
switch (time->type) {
case GST_RTSP_TIME_SECONDS:
g_string_append_printf (string, "%f", time->seconds);
break;
case GST_RTSP_TIME_NOW:
g_string_append (string, "now");
break;
case GST_RTSP_TIME_END:
break;
default:
res = FALSE;
break;
}
return res;
}
static gboolean
npt_range_string (const GstRTSPTimeRange * range, GString * string)
{
gboolean res;
if (!(res = npt_time_string (&range->min, string)))
goto done;
g_string_append (string, "-");
if (!(res = npt_time_string (&range->max, string)))
goto done;
done:
return res;
}
/**
* gst_rtsp_range_to_string:
* @range: a #GstRTSPTimeRange
*
* Convert @range into a string representation.
*
* Returns: The string representation of @range. g_free() after usage.
*
* Since: 0.10.23
*/
gchar *
gst_rtsp_range_to_string (const GstRTSPTimeRange * range)
{
gchar *result = NULL;
GString *string;
g_return_val_if_fail (range != NULL, NULL);
string = g_string_new ("");
switch (range->unit) {
case GST_RTSP_RANGE_NPT:
g_string_append (string, "npt=");
if (!npt_range_string (range, string)) {
g_string_free (string, TRUE);
string = NULL;
}
break;
case GST_RTSP_RANGE_SMPTE:
case GST_RTSP_RANGE_SMPTE_30_DROP:
case GST_RTSP_RANGE_SMPTE_25:
case GST_RTSP_RANGE_CLOCK:
default:
g_warning ("time range unit not yet implemented");
g_string_free (string, TRUE);
string = NULL;
break;
}
if (string)
result = g_string_free (string, FALSE);
return result;
}
/**
* gst_rtsp_range_free:
* @range: a #GstRTSPTimeRange

1
gst-libs/gst/rtsp/gstrtsprange.h
View file

@ -113,6 +113,7 @@ struct _GstRTSPTimeRange {
};
GstRTSPResult gst_rtsp_range_parse (const gchar *rangestr, GstRTSPTimeRange **range);
gchar * gst_rtsp_range_to_string (const GstRTSPTimeRange *range);
void gst_rtsp_range_free (GstRTSPTimeRange *range);
G_END_DECLS