Files
FFmpeg/libavcodec
Manuel Lauss d68d311bcd avcodec/sanm: codec37 buffers are private
codec37 operates on 2 buffers, which must be considered private to
the codec and must therefore not be changed by subsequent FOBJs.

Let codec37 therefore operate on frm1/2 instead of frm0/2, but copy
the decoded image to frm0 where other codecs operate on.

Fixes artifacts encountered in Full Throttle "dazed.san" and also
in a lot of Rebel Assault II gameplay videos: these videos consist of
frames with an initial codec37 FOBJ image to set the stage, and
optional codec1-23 FOBJs overlaid on top of that image.

Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-01-26 01:10:52 +01:00
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