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typefindfunctions: Add various other boxes to the list of known top-level MP4 boxes

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styp, udta, sidx, ssix, prft, mfra, pdin and meta are in the ISOBMFF
spec and emsg in the CMAF spec.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1234>
This commit is contained in:
Sebastian Dröge 2021-10-23 14:28:35 +03:00 committed by GStreamer Marge Bot
parent 164244a2eb
commit 66aef5ef46
1 changed files with 10 additions and 1 deletions
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11
subprojects/gst-plugins-base/gst/typefind/gsttypefindfunctions.c
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@ -3434,13 +3434,22 @@ qt_type_find (GstTypeFind * tf, gpointer unused)
break;
}
/* box/atom types that are in common with ISO base media file format */
/* top-level box/atom types that are in common with ISO base media file format */
if (STRNCMP (&data[4], "moov", 4) == 0 ||
STRNCMP (&data[4], "mdat", 4) == 0 ||
STRNCMP (&data[4], "ftyp", 4) == 0 ||
STRNCMP (&data[4], "free", 4) == 0 ||
STRNCMP (&data[4], "uuid", 4) == 0 ||
STRNCMP (&data[4], "udta", 4) == 0 ||
STRNCMP (&data[4], "styp", 4) == 0 ||
STRNCMP (&data[4], "sidx", 4) == 0 ||
STRNCMP (&data[4], "ssix", 4) == 0 ||
STRNCMP (&data[4], "prft", 4) == 0 ||
STRNCMP (&data[4], "emsg", 4) == 0 ||
STRNCMP (&data[4], "moof", 4) == 0 ||
STRNCMP (&data[4], "mfra", 4) == 0 ||
STRNCMP (&data[4], "pdin", 4) == 0 ||
STRNCMP (&data[4], "meta", 4) == 0 ||
STRNCMP (&data[4], "skip", 4) == 0) {
if (tip == 0) {
tip = GST_TYPE_FIND_LIKELY;