[Bug 752603] qtdemux: Unable to play streaming MP4 (H264+AAC) file from VLC
GStreamer (GNOME Bugzilla)
bugzilla at gnome.org
Fri Jul 24 17:06:49 PDT 2015
https://bugzilla.gnome.org/show_bug.cgi?id=752603
--- Comment #3 from Steinar H. Gunderson <steinar+gnomebugs at gunderson.no> ---
I have no idea about the spec, sorry. All I'm doing is looking at what the
ffmpeg encoder (movenc.c) does.
It seems that in qtdemux_parse_tfhd, if TF_BASE_DATA_OFFSET is not set (and
possibly if said 0x20000 flag is set?), then *base_offset should not just be
left alone at -1; it should be set to qtdemux->moof_offset. If I do this, the
files seem to play just fine from disk, although still not from the network.
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