FaSTTUBe/GST-Tensordecoder-ov_ep
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zbar: include quality and check count, fixes #600461

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We report the relative quality in the message and we also use the cache to skip
early detects and doubles.
This commit is contained in:
Stefan Kost 2009-11-04 00:19:20 +02:00
parent aaba1b1d26
commit 94942cf69b
1 changed files with 15 additions and 3 deletions
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18
ext/zbar/gstzbar.c
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@ -55,6 +55,14 @@
* the deteted bar code data. * the deteted bar code data.
* </para> * </para>
* </listitem> * </listitem>
* <listitem>
* <para>
* gint
* <classname>&quot;quality&quot;</classname>:
* an unscaled, relative quantity: larger values are better than smaller
* values.
* </para>
* </listitem>
* </itemizedlist> * </itemizedlist>
* *
* <refsect2> * <refsect2>
@ -275,9 +283,13 @@ gst_zbar_transform_ip (GstBaseTransform * base, GstBuffer * outbuf)
for (; symbol; symbol = zbar_symbol_next (symbol)) { for (; symbol; symbol = zbar_symbol_next (symbol)) {
zbar_symbol_type_t typ = zbar_symbol_get_type (symbol); zbar_symbol_type_t typ = zbar_symbol_get_type (symbol);
const char *data = zbar_symbol_get_data (symbol); const char *data = zbar_symbol_get_data (symbol);
gint quality = zbar_symbol_get_quality (symbol);
GST_DEBUG_OBJECT (zbar, "decoded %s symbol \"%s\"", GST_DEBUG_OBJECT (zbar, "decoded %s symbol \"%s\" at quality %d",
zbar_get_symbol_name (typ), data); zbar_get_symbol_name (typ), data, quality);
if (zbar_symbol_get_count (symbol) != 0)
continue;
if (zbar->message) { if (zbar->message) {
GstMessage *m; GstMessage *m;
@ -287,7 +299,7 @@ gst_zbar_transform_ip (GstBaseTransform * base, GstBuffer * outbuf)
s = gst_structure_new ("barcode", s = gst_structure_new ("barcode",
"timestamp", G_TYPE_UINT64, GST_BUFFER_TIMESTAMP (outbuf), "timestamp", G_TYPE_UINT64, GST_BUFFER_TIMESTAMP (outbuf),
"type", G_TYPE_STRING, zbar_get_symbol_name (typ), "type", G_TYPE_STRING, zbar_get_symbol_name (typ),
"symbol", G_TYPE_STRING, data, NULL); "symbol", G_TYPE_STRING, data, "quality", G_TYPE_INT, quality, NULL);
m = gst_message_new_element (GST_OBJECT (zbar), s); m = gst_message_new_element (GST_OBJECT (zbar), s);
gst_element_post_message (GST_ELEMENT (zbar), m); gst_element_post_message (GST_ELEMENT (zbar), m);
} }