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Take offset gaps into account.

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Prevents measurecollector from crashing when frame numbers are not consecutive.

Fixes bug #596285.
This commit is contained in:
Руслан Ижбулатов 2009-09-25 12:20:50 +04:00 committed by Sebastian Dröge
parent 1adfafbe2c
commit 05e059c624
1 changed files with 28 additions and 15 deletions
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15
gst/videomeasure/gstvideomeasure_collector.c
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@ -135,17 +135,27 @@ gst_measure_collector_post_message (GstMeasureCollector * mc)
if (strcmp (mc->metric, "SSIM") == 0) {
gfloat dresult = 0;
guint64 mlen;
g_free (mc->result);
mc->result = g_new0 (GValue, 1);
g_value_init (mc->result, G_TYPE_FLOAT);
mlen = mc->measurements->len;
for (i = 0; i < mc->measurements->len; i++) {
const GValue *v;
GstStructure *str =
(GstStructure *) g_ptr_array_index (mc->measurements, i);
if (str)
{
v = gst_structure_get_value (str, "mean");
dresult += g_value_get_float (v);
}
g_value_set_float (mc->result, dresult / mc->measurements->len);
else
{
GST_WARNING_OBJECT (mc, "No measurement info for frame %" G_GUINT64_FORMAT, i);
mlen--;
}
}
g_value_set_float (mc->result, dresult / mlen);
}
m = gst_message_new_element (GST_OBJECT_CAST (mc),
@ -269,6 +279,7 @@ gst_measure_collector_save_csv (GstMeasureCollector * mc)
for (i = 0; i < mc->measurements->len; i++) {
fprintf (file, "\n");
str = (GstStructure *) g_ptr_array_index (mc->measurements, i);
if (str != NULL) {
for (j = 0; j < gst_structure_n_fields (str); j++) {
const gchar *fieldname;
fieldname = gst_structure_nth_field_name (str, j);
@ -281,6 +292,7 @@ gst_measure_collector_save_csv (GstMeasureCollector * mc)
fprintf (file, "<untranslatable>");
}
}
}
fclose (file);
@ -387,6 +399,7 @@ gst_measure_collector_finalize (GObject * object)
GstMeasureCollector *mc = GST_MEASURE_COLLECTOR (object);
for (i = 0; i < mc->measurements->len; i++) {
if (g_ptr_array_index (mc->measurements,i) != NULL)
gst_structure_free ((GstStructure *) g_ptr_array_index (mc->measurements,
i));
}