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typefind: Add typefinder for OpenEXR

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This commit is contained in:
Sebastian Dröge 2013-11-23 11:25:28 +01:00
parent ee86a91957
commit eb7cae8033
1 changed files with 29 additions and 0 deletions
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29
gst/typefind/gsttypefindfunctions.c
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@ -3806,6 +3806,33 @@ tiff_type_find (GstTypeFind * tf, gpointer ununsed)
} }
} }
/*** image/x-exr ***/
static GstStaticCaps exr_caps = GST_STATIC_CAPS ("image/x-exr");
#define EXR_CAPS (gst_static_caps_get(&exr_caps))
static void
exr_type_find (GstTypeFind * tf, gpointer ununsed)
{
const guint8 *data = gst_type_find_peek (tf, 0, 8);
if (data) {
guint32 flags;
if (GST_READ_UINT32_LE (data) != 0x01312f76)
return;
flags = GST_READ_UINT32_LE (data + 4);
if ((flags & 0xff) != 1 && (flags & 0xff) != 2)
return;
/* If bit 9 is set, bit 11 and 12 must be 0 */
if ((flags & 0x200) && (flags & 0x1800))
return;
gst_type_find_suggest (tf, GST_TYPE_FIND_MAXIMUM, EXR_CAPS);
}
}
/*** PNM ***/ /*** PNM ***/
static GstStaticCaps pnm_caps = GST_STATIC_CAPS ("image/x-portable-bitmap; " static GstStaticCaps pnm_caps = GST_STATIC_CAPS ("image/x-portable-bitmap; "
@ -5544,6 +5571,8 @@ plugin_init (GstPlugin * plugin)
"tif,tiff", TIFF_CAPS, NULL, NULL); "tif,tiff", TIFF_CAPS, NULL, NULL);
TYPE_FIND_REGISTER_RIFF (plugin, "image/webp", GST_RANK_PRIMARY, TYPE_FIND_REGISTER_RIFF (plugin, "image/webp", GST_RANK_PRIMARY,
"webp", "WEBP"); "webp", "WEBP");
TYPE_FIND_REGISTER (plugin, "image/x-exr", GST_RANK_PRIMARY, exr_type_find,
"exr", EXR_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "image/x-portable-pixmap", GST_RANK_SECONDARY, TYPE_FIND_REGISTER (plugin, "image/x-portable-pixmap", GST_RANK_SECONDARY,
pnm_type_find, "pnm,ppm,pgm,pbm", PNM_CAPS, NULL, NULL); pnm_type_find, "pnm,ppm,pgm,pbm", PNM_CAPS, NULL, NULL);
TYPE_FIND_REGISTER (plugin, "video/x-matroska", GST_RANK_PRIMARY, TYPE_FIND_REGISTER (plugin, "video/x-matroska", GST_RANK_PRIMARY,