Merge remote-tracking branch 'lukaszmluki/master'

* lukaszmluki/master:
  lavf/ftp: favour EPSV over PASV command
  lavf/audiointerleave: return more meaningful error codes
  lavf/audiointerleave: check for allocation failure
  lavf/audiointerleave: use av_fifo_alloc_array
  lavf/dvenc: use av_fifo_alloc_array
  lavc/flac_parser: use av_fifo_alloc_array
  lavc/frame_thread_encoder: use av_fifo_alloc_array
  lavfi/vf_fps: use av_fifo_alloc_array
  lavfi/buffersink: use av_fifo_alloc_array
  ffmpeg: use av_fifo_alloc_array
  lavd/jack_audio: use av_fifo_alloc_array
  lavu/fifo: add av_fifo_alloc_array function

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