Warn if rawvideo and an unreadable pix_fmt are written.

Print an error if a combination of rawvideo and an unusual pix_fmt
that will be impossible to decode are written to avi or mov.
Fixes ticket #3545.
Improve amr bitrate calculation for VBR files.

Fixes ticket #3541.
avcodec/jpegls: print coding parameters stored in LSE

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Merge remote-tracking branch 'cehoyos/master'

* cehoyos/master:
  Improve amr bitrate calculation for VBR files.
  Warn if rawvideo and an unreadable pix_fmt are written.

Merged-by: Michael Niedermayer <michaelni@gmx.at>
avcodec/mpegvideo_enc: override bitrate tolerance when its value is too small

Fixes Ticket3257

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avformat/hls: reduce memory usage by using dynamically allocated url/key

Signed-off-by: Anssi Hannula <anssi.hannula@iki.fi>
avformat/img2dec: support nanosecond file times

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avcodec/diracdec: use av_malloc(z)_array

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avcodec/elbg: Use av_malloc(z)_array()

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