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gst/typefind/gsttypefindfunctions.c: Add typefinder for MXF.

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Original commit message from CVS:
* gst/typefind/gsttypefindfunctions.c: (mxf_type_find),
(plugin_init):
Add typefinder for MXF.
This commit is contained in:
Sebastian Dröge 2008-10-05 08:11:53 +00:00
parent d3edbe7745
commit 44143f1dcc
1 changed files with 16 additions and 0 deletions
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16
gst/typefind/gsttypefindfunctions.c
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@ -524,6 +524,7 @@ static void
flac_type_find (GstTypeFind * tf, gpointer unused)
{
guint8 *data;
DataScanCtx c = { 0, NULL, 0 };
data = gst_type_find_peek (tf, 0, 5);
if (G_LIKELY (data)) {
@ -536,6 +537,21 @@ flac_type_find (GstTypeFind * tf, gpointer unused)
gst_type_find_suggest (tf, GST_TYPE_FIND_MAXIMUM, FLAC_CAPS);
}
}
/* flac without headers */
/* 64K should be enough */
while (c.offset < (64 * 1024)) {
if (G_UNLIKELY (!data_scan_ctx_ensure_data (tf, &c, 2)))
break;
if (data[0] == 0xff && (data[1] >> 2) == 0x3e) {
gst_type_find_suggest (tf, GST_TYPE_FIND_LIKELY, FLAC_CAPS);
/* TODO: maybe check more parts of the frame header
* to lower the risk of false positives */
return;
}
data_scan_ctx_advance (tf, &c, 1);
}
}
/*** audio/mpeg version 2, 4 ***/