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typefind: improve 'audible' audio typefinder a little

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Don't return NEARLY_CERTAIN just based on 4 bytes.
Also change media type to audio/x-audible.

https://bugzilla.gnome.org/show_bug.cgi?id=715050
This commit is contained in:
Tim-Philipp Müller 2014-11-25 01:02:28 +00:00
parent ddda5866c5
commit ef23ac5f52
1 changed files with 11 additions and 5 deletions
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16
gst/typefind/gsttypefindfunctions.c
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@ -5330,8 +5330,7 @@ pva_type_find (GstTypeFind * tf, gpointer private)
/* derived from pyaudibletags /* derived from pyaudibletags
* http://code.google.com/p/pyaudibletags/source/browse/trunk/pyaudibletags.py * http://code.google.com/p/pyaudibletags/source/browse/trunk/pyaudibletags.py
*/ */
static GstStaticCaps aa_caps = GST_STATIC_CAPS ("audio/x-audible");
static GstStaticCaps aa_caps = GST_STATIC_CAPS ("audio/audible");
#define AA_CAPS gst_static_caps_get(&aa_caps) #define AA_CAPS gst_static_caps_get(&aa_caps)
@ -5340,12 +5339,19 @@ aa_type_find (GstTypeFind * tf, gpointer private)
{ {
const guint8 *data; const guint8 *data;
data = gst_type_find_peek (tf, 4, 4); data = gst_type_find_peek (tf, 0, 12);
if (data == NULL) if (data == NULL)
return; return;
if (data[0] == 0x57 && data[1] == 0x90 && data[2] == 0x75 && data[3] == 0x36) if (GST_READ_UINT32_BE (data + 4) == 0x57907536) {
gst_type_find_suggest (tf, GST_TYPE_FIND_NEARLY_CERTAIN, AA_CAPS); guint64 media_len;
media_len = gst_type_find_get_length (tf);
if (media_len > 0 && GST_READ_UINT32_BE (data) == media_len)
gst_type_find_suggest (tf, GST_TYPE_FIND_NEARLY_CERTAIN, AA_CAPS);
else
gst_type_find_suggest (tf, GST_TYPE_FIND_POSSIBLE, AA_CAPS);
}
} }
/*** generic typefind for streams that have some data at a specific position***/ /*** generic typefind for streams that have some data at a specific position***/