lavf/mpegts: Do not return the result of a (void) function from a void function.

Fixes compilation with Sun C 5.10.
Merge remote-tracking branch 'cehoyos/master'

* cehoyos/master:
  Do not return a probe score from set_codec_from_probe_data() if the codec was ignored.

Merged-by: Michael Niedermayer <michaelni@gmx.at>
avcodec/raw: add avpriv_get_raw_pix_fmt_tags()

Used to expose ff_raw_pix_fmt_tags[] to other libav* libraries

Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Do not automatically map subtitles if the decoder and encoder properties are different.

Fixes ticket #3819.