matroskadec: move ALAC extradata creation bellow AAC one

Signed-off-by: Paul B Mahol <onemda@gmail.com>
wavpack: add missing .\n to entropy error message

Signed-off-by: Paul B Mahol <onemda@gmail.com>
smvjpegdec: No frame at all is an error

This fixes a infinite loop

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avformat/wavdec: Dont rescale timestamps but use exact comparission

Fixes integer overflow

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>