Update changelog

OBS-URL: https://build.opensuse.org/package/show/multimedia:libs/ffmpeg-4?expand=0&rev=30

ffmpeg-4.changes

@@ -2,9 +2,34 @@
 Tue Nov 06 01:39:11 UTC 2018 - sean@suspend.net
 
 - Update ffmpeg to 4.1
-  - Remove 0001-avcodec-libaom-fix-setting-amount-of-threads.patch (fixed upstream (bsc#776cdd1)
-  - Remove cve-2017-17555.diff (fixed upstream)
+  * Lots of filter updates as usual: deblock, tmix, aplify,
+    fftdnoiz, aderivative, aintegral, pal75bars, pal100bars,
+    adeclick, adeclip, lensfun (wrapper), colorconstancy, 1D LUT
+    filter (lut1d), cue, acue, transpose_npp, amultiply,
+    Block-Matching 3d (bm3d) denoising filter, acrossover filter,
+    audio denoiser as afftdn filter, sinc audio filter source,
+    chromahold, setparams, vibrance, xstack,
+    (a)graphmonitor filter yadif_cuda filter.
+  * AV1 parser
+  * Support for AV1 in MP4
+  * PCM VIDC decoder and encoder
+  * libtensorflow backend for DNN based filters like srcnn
+  * -- The following only enabled in third-party builds:
+  * ATRAC9 decoder
+  * AVS2 video decoder via libdavs2
+  * IMM4 video decoder
+  * Brooktree ProSumer video decoder
+  * MatchWare Screen Capture Codec decoder
+  * WinCam Motion Video decoder
+  * RemotelyAnywhere Screen Capture decoder
+  * AVS2 video encoder via libxavs2
+  * ILBC decoder
+  * SER demuxer
+  * Decoding S12M timecode in H264
   * For complete changelog, see https://git.ffmpeg.org/gitweb/ffmpeg.git/shortlog/n4.1
+- Remove 0001-avcodec-libaom-fix-setting-amount-of-threads.patch
+  (fixed upstream (bsc#776cdd1)
+- Remove cve-2017-17555.diff (fixed upstream)
 
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