avformat/mlvdec: Check the return code from strftime()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avformat/matroskadec: Check the return code from strftime()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
ffmpeg_opt: Check the return code from strftime()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avutil/intmath: enable builtin intrinsics for icl and msvc.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
dv: fix weight table for 2x4x8 transform

The coefficients must be in the appropriate zigzag scan order.
Also fix their values at the same time, as they were pretty wrong.

Fixes ticket #2970.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
dv: move inverse weight tables to decoder

The encoder has its own tables and does not access the idct_factor
member of the DVVideoContext structure.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avcodec: Add support for Opus in MPEG-TS

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avformat/mpegts: Add support for Opus in MPEG-TS

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