Andreas Rheinhardt e3fb9af6f1 avcodec/ra144enc: Fix invalid left shift of negative number ...

by replacing it with a multiplication. Said multiplication can't
overflow an int32_t because lpc_coefs is limited to 16 bit precision.

Fixes the FACE-test acodec-ra144 as well as part of #8217.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

2020-01-23 12:19:07 +01:00

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