Hi there, I'm wondering if anyone has any detailed information about extracting transparency data from an Indeo 4 video.
The ffmpeg source sets a flag "has_transp" when transparency data is present, but doesn't actually use it to decode any data. According to a format document I read on MultimediaWiki, the transparency is encoded as "another plane, with Huffman encoded 1 bit per pixel data indicating whether each pixel is transparent". But I've tried various experiments with calling Huffman routines on a sample video, and I'm yet to get something that looks correct. For the curious, I'm currently in the middle of reimplementing support for the game Starship Titanic in ScummVM, and I'm encountering such Indeo videos being used as object animations. Thanks for any help. Paul. _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
