Fix VDPAU decoders, regression since f2f99f07.
avformat/nutenc: Suggest genpts if AV_NOPTS_VALUE

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avcodec/proresenc_anatoliy: Set bits_per_raw_sample

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avcodec/proresenc_anatoliy: Use fdct from DSPContext instead of direct call.

Based-on: a55546f48d55e3d1155840541b2be5f4f8cf18ab by Diego Biurrun
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avcodec/proresenc_anatoliy: load 4 samples at a time in get()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avcodec/proresenc_anatoliy: simplify get()

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