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rtsp: parse SMPTE ranges

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This commit is contained in:
Wim Taymans 2012-11-19 16:15:46 +01:00
parent 02a5940a45
commit b113f9697a
3 changed files with 105 additions and 3 deletions
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48
gst-libs/gst/rtsp/gstrtsprange.c
View file

@ -132,16 +132,62 @@ done:
return res;
}
static GstRTSPResult
parse_clock_range (const gchar * str, GstRTSPTimeRange * range)
{
return GST_RTSP_ENOTIMPL;
}
/* smpte-time = 1*2DIGIT ":" 1*2DIGIT ":" 1*2DIGIT [ ":" 1*2DIGIT ]
* [ "." 1*2DIGIT ]
* hours:minutes:seconds:frames.subframes
*/
static GstRTSPResult
parse_smpte_time (const gchar * str, GstRTSPTime * time, const gchar * limit)
{
gint hours, mins, secs;
if (str[0] == '\0') {
time->type = GST_RTSP_TIME_END;
return GST_RTSP_OK;
} else {
if (sscanf (str, "%02d:%2d:%02d", &hours, &mins, &secs) != 3)
return GST_RTSP_EINVAL;
time->type = GST_RTSP_TIME_FRAMES;
time->seconds = ((hours * 60) + mins) * 60 + secs;
str = strchr (str, ':');
str = strchr (str + 1, ':');
str = strchr (str + 1, ':');
if (str && (limit == NULL || str < limit))
time->frames = gst_strtod (str + 1);
}
return GST_RTSP_OK;
}
/* smpte-range = smpte-type "=" smpte-time "-" [ smpte-time ]
*/
static GstRTSPResult
parse_smpte_range (const gchar * str, GstRTSPTimeRange * range)
{
return GST_RTSP_ENOTIMPL;
GstRTSPResult res;
gchar *p;
range->unit = GST_RTSP_RANGE_SMPTE;
/* find '-' separator, can't have a single - */
p = strstr (str, "-");
if (p == NULL || p == str)
return GST_RTSP_EINVAL;
if ((res = parse_smpte_time (str, &range->min, p)) != GST_RTSP_OK)
goto done;
res = parse_smpte_time (p + 1, &range->max, NULL);
done:
return res;
}
/**

9
gst-libs/gst/rtsp/gstrtsprange.h
View file

@ -76,25 +76,30 @@ typedef struct _GstRTSPTime GstRTSPTime;
* @GST_RTSP_TIME_SECONDS: seconds
* @GST_RTSP_TIME_NOW: now
* @GST_RTSP_TIME_END: end
* @GST_RTSP_TIME_FRAMES: frames and subframes
*
* Possible time types.
*/
typedef enum {
GST_RTSP_TIME_SECONDS,
GST_RTSP_TIME_NOW,
GST_RTSP_TIME_END
GST_RTSP_TIME_END,
GST_RTSP_TIME_FRAMES
} GstRTSPTimeType;
/**
* GstRTSPTime:
* @type: the time of the time
* @seconds: seconds when @type is GST_RTSP_TIME_SECONDS
* @seconds: seconds when @type is GST_RTSP_TIME_SECONDS and
* GST_RTSP_TIME_FRAMES
* @frames: frames and subframes when @type is GST_RTSP_TIME_FRAMES
*
* A time indication.
*/
struct _GstRTSPTime {
GstRTSPTimeType type;
gdouble seconds;
gdouble frames;
};
/**

51
tests/check/libs/rtsp.c
View file

@ -199,10 +199,60 @@ GST_START_TEST (test_rtsp_range_npt)
fail_unless (range->max.type == GST_RTSP_TIME_SECONDS);
fail_unless (range->max.seconds == 15.001);
gst_rtsp_range_free (range);
fail_unless (gst_rtsp_range_parse ("npt=20:34.23-",
&range) == GST_RTSP_EINVAL);
fail_unless (gst_rtsp_range_parse ("npt=10:20;34.23-",
&range) == GST_RTSP_EINVAL);
fail_unless (gst_rtsp_range_parse ("npt=0:4.23-", &range) == GST_RTSP_EINVAL);
fail_unless (gst_rtsp_range_parse ("npt=20:12:34.23-21:45:00.01",
&range) == GST_RTSP_OK);
fail_unless (range->unit == GST_RTSP_RANGE_NPT);
fail_unless (range->min.type == GST_RTSP_TIME_SECONDS);
fail_unless (range->min.seconds == 72754.23);
fail_unless (range->max.type == GST_RTSP_TIME_SECONDS);
fail_unless (range->max.seconds == 78300.01);
gst_rtsp_range_free (range);
}
GST_END_TEST;
GST_START_TEST (test_rtsp_range_smpte)
{
GstRTSPTimeRange *range;
fail_unless (gst_rtsp_range_parse ("smpte=", &range) == GST_RTSP_EINVAL);
fail_unless (gst_rtsp_range_parse ("smpte=0", &range) == GST_RTSP_EINVAL);
fail_unless (gst_rtsp_range_parse ("smpte=-", &range) == GST_RTSP_EINVAL);
fail_unless (gst_rtsp_range_parse ("smpte=-12:09:34",
&range) == GST_RTSP_EINVAL);
fail_unless (gst_rtsp_range_parse ("smpte=12:09:34",
&range) == GST_RTSP_EINVAL);
fail_unless (gst_rtsp_range_parse ("smpte=00:00:00-", &range) == GST_RTSP_OK);
fail_unless (range->unit == GST_RTSP_RANGE_SMPTE);
fail_unless (range->min.type == GST_RTSP_TIME_FRAMES);
fail_unless (range->min.seconds == 0.0);
fail_unless (range->min.frames == 0.0);
fail_unless (range->max.type == GST_RTSP_TIME_END);
gst_rtsp_range_free (range);
fail_unless (gst_rtsp_range_parse ("smpte=10:34:23-20:12:09:20.89",
&range) == GST_RTSP_OK);
fail_unless (range->unit == GST_RTSP_RANGE_SMPTE);
fail_unless (range->min.type == GST_RTSP_TIME_FRAMES);
fail_unless (range->min.seconds == 38063.0);
fail_unless (range->min.frames == 0.0);
fail_unless (range->max.type == GST_RTSP_TIME_FRAMES);
fail_unless (range->max.seconds == 72729.0);
fail_unless (range->max.frames == 20.89);
gst_rtsp_range_free (range);
}
GST_END_TEST;
static Suite *
rtsp_suite (void)
{
@ -215,6 +265,7 @@ rtsp_suite (void)
tcase_add_test (tc_chain, test_rtsp_url_components_2);
tcase_add_test (tc_chain, test_rtsp_url_components_3);
tcase_add_test (tc_chain, test_rtsp_range_npt);
tcase_add_test (tc_chain, test_rtsp_range_smpte);
return s;
}