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gst/typefind/gsttypefindfunctions.c: Improve typefinding of ISO JPEG2000 mime types.

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Original commit message from CVS:
* gst/typefind/gsttypefindfunctions.c: (jp2_type_find),
(plugin_init):
Improve typefinding of ISO JPEG2000 mime types.
This commit is contained in:
Mark Nauwelaerts 2008-11-13 21:11:13 +00:00
parent e02bde49f2
commit 23f10c5403
2 changed files with 42 additions and 6 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2008-11-13 Mark Nauwelaerts <mark.nauwelaerts@collabora.co.uk>
* gst/typefind/gsttypefindfunctions.c: (jp2_type_find),
(plugin_init):
Improve typefinding of ISO JPEG2000 mime types.
2008-11-13 Wim Taymans <wim.taymans@collabora.co.uk>
* sys/xvimage/xvimagesink.c: (gst_xvimage_buffer_finalize),

42
gst/typefind/gsttypefindfunctions.c
View file

@ -1946,6 +1946,38 @@ q3gp_type_find (GstTypeFind * tf, gpointer unused)
}
/*** video/mj2 and image/jp2 ***/
static GstStaticCaps mj2_caps = GST_STATIC_CAPS ("video/mj2");
#define MJ2_CAPS gst_static_caps_get(&mj2_caps)
static GstStaticCaps jp2_caps = GST_STATIC_CAPS ("image/jp2");
#define JP2_CAPS gst_static_caps_get(&jp2_caps)
static void
jp2_type_find (GstTypeFind * tf, gpointer unused)
{
guint8 *data;
data = gst_type_find_peek (tf, 0, 24);
if (!data)
return;
/* jp2 signature */
if (memcmp (data, "\000\000\000\014jP \015\012\207\012", 12) != 0)
return;
/* check ftyp box */
data += 12;
if (memcmp (data + 4, "ftyp", 4) == 0) {
if (memcmp (data + 8, "jp2 ", 4) == 0)
gst_type_find_suggest (tf, GST_TYPE_FIND_MAXIMUM, JP2_CAPS);
else if (memcmp (data + 8, "mjp2", 4) == 0)
gst_type_find_suggest (tf, GST_TYPE_FIND_MAXIMUM, MJ2_CAPS);
}
}
/*** video/quicktime ***/
static GstStaticCaps qt_caps = GST_STATIC_CAPS ("video/quicktime");
@ -3173,12 +3205,10 @@ plugin_init (GstPlugin * plugin)
qt_type_find, qt_exts, QT_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "image/x-quicktime", GST_RANK_SECONDARY,
qtif_type_find, qtif_exts, QTIF_CAPS, NULL, NULL);
TYPE_FIND_REGISTER_START_WITH (plugin, "image/jp2", GST_RANK_PRIMARY,
jp2_exts, "\000\000\000\014jP \015\012\207\012\000\000\000\024ftypjp2 ",
24, GST_TYPE_FIND_MAXIMUM);
TYPE_FIND_REGISTER_START_WITH (plugin, "video/mj2", GST_RANK_PRIMARY,
mj2_exts, "\000\000\000\014jP \015\012\207\012\000\000\000\024ftypmjp2",
24, GST_TYPE_FIND_MAXIMUM);
TYPE_FIND_REGISTER (plugin, "image/jp2", GST_RANK_PRIMARY,
jp2_type_find, jp2_exts, JP2_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "video/mj2", GST_RANK_PRIMARY,
jp2_type_find, mj2_exts, MJ2_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "text/html", GST_RANK_SECONDARY, html_type_find,
html_exts, HTML_CAPS, NULL, NULL);