dsputil: Move ff_block_permute to mpegvideo_enc
dsputil: Move get_penalty_factor() to the only place it is used.
mjpegdec: use put_pixels instead of copy_block8

Signed-off-by: Mans Rullgard <mans@mansr.com>
indeo3: replace use of copy_block4 with put_pixels

The destination is sufficiently aligned for put_pixels here.

Signed-off-by: Mans Rullgard <mans@mansr.com>
dsputil: Drop unused functions copy_block{2|4|16}
dsputil: Move copy_block functions to a separate header
dsputil: Move ff_h264_idct function declarations to a separate header
dsputil: Move ff_svq3 function declarations to a separate header
dsputil: Move ff_shrink* function declarations to separate header