* Merge from unstable, remaining changes: - build-depend on libtiff5-dev rather than libtiff4-dev, avoids FTBFS caused by imlib * New upstream release 9.13: - Many security fixes issues LP: #1277173 - swscale: Fix an undefined behaviour - matroska: add the Opus mapping - mp3enc: Properly write bitrate value in XING header (Closes: #736088) - origin/pu/9 oggdec: add support for Opus in Ogg demuxing (Fixes: libav/603, Closes: #720563) - apedec: do not buffer decoded samples over AVPackets (Closes: #744901) - isom: lpcm in mov default to big endian - movdec: handle 0x7fff langcode as macintosh per the specs - h264: reset next_output_pic earlier in start_frame() (Fixes: libav/672, Closes: #741240, LP: #1288206) - rtmpproto: Make sure to pass on the error code if read_connect failed - lavr: allocate the resampling buffer with a positive size - tiffdec: use bytestream2 to simplify overread/overwrite protection - resample: fix avresample_get_delay() return value - avi: Improve non-interleaved detection (Fixes: libav/666) - af_channelmap: fix ONE_STR mapping mode - movenc: allow override of "writing application" tag - matroskaenc: allow override of "writing application" tag - avfilter: Add missing emms_c when needed - build: Use pkg-config for openjpeg (Fixes: libav/387) - mpeg12: check scantable indices in all decode_block functions - sgidec: fix buffer size check in expand_rle_row() - adx: check that the offset is not negative - mpegvideo: set reference/pict_type on generated reference frames - h264: Fix various crashes found in samples pointed by Mateusz "j00ru" Jurczyk and Gynvael Coldwind - Thanks! * Rebuild is reported to fix vaapi, Closes: #745655 * Fix invocation of dpkg-maintscript helper, LP: #1315672 * cleanup leftovers of the former libav-source package * Simplify listing packages with dh_listpackage * Drop transitional arch:all -extra- packages * Bump standards version to 3.9.5, no changes needed