[gstreamer-bugs] [Bug 442034] [avi] add support for subtitle streams (GAB2)

[GStreamer (bugzilla.gnome.org)]

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  GStreamer | gst-plugins-good | Ver: HEAD CVS




------- Comment #4 from npl at chello.at  2007-06-01 21:10 UTC -------
I was wrong as the movi-chunk contains a header before the actual .srt/.ssa
data. Heres the description:

-----------------------------------

One subtitle stream is stored in one single chunk. That chunk contains
header data, followed by an entire SRT or SSA file. If that file is using UTF-
8 encoding, the BOM should be included as well. The header is defined as
follows:

char[4]; // ’GAB2’
BYTE 0x00;
WORD 0x02; // unicode
DWORD dwSize_name; // length of stream name in bytes
char name[dwSize_name]; // zero-terminated subtitle stream
name encoded in UTF-16
WORD 0x04;
DWORD dwSize; // size of SRT/SSA text file
char data[dwSize]; // entire SRT/SSA file

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