No point making a new topic i guess. So , like before, everything works perfect. then something's happened and its unwatchable now. This doesn't appear to be bandwidth related.
Getting loads of this:
2019-10-01 17:45:37.727 mpvstats: AV: 32969.860 A-V: 0.000 Dropped: 676 Cache: 0.49s + 0KB
2019-10-01 17:45:42.727 mpvstats: AV: 32974.860 A-V: 0.000 Dropped: 676 Cache: 0.49s + 0KB
2019-10-01 17:45:47.727 mpvstats: AV: 32979.860 A-V: 0.000 Dropped: 676 Cache: 0.45s + 0KB
2019-10-01 17:45:52.729 mpvstats: AV: 32984.860 A-V: 0.000 Dropped: 676 Cache: 0.53s + 0KB
2019-10-01 18:02:27.087 [ffmpeg/audio] error: aac_latm: Number of bands (41) exceeds limit (40).
2019-10-01 18:02:27.089 [ad] error: Error decoding audio.
2019-10-01 18:02:27.091 [ad] error: Error decoding audio.
2019-10-01 18:02:27.093 [ad] warn: Invalid audio PTS: 74958.292845 -> 74958.783511
2019-10-01 18:02:27.722 mpvstats: AV: 33980.080 A-V: 0.261 Dropped: 681 Cache: 0.00s + 0KB
2019-10-01 18:02:27.766 [ffmpeg/video] error: h264: Reference 2 >= 2
2019-10-01 18:02:27.767 [ffmpeg/video] error: h264: error while decoding MB 66 40, bytestream 71420
2019-10-01 18:02:27.792 [ffmpeg/video] error: h264: reference picture missing during reorder
2019-10-01 18:02:27.794 [ffmpeg/video] error: h264: reference picture missing during reorder
2019-10-01 18:02:27.796 [ffmpeg/video] error: h264: reference picture missing during reorder
2019-10-01 18:02:27.798 [ffmpeg/video] error: h264: Missing reference picture, default is 68293
2019-10-01 18:02:27.800 [ffmpeg/video] error: h264: Missing reference picture, default is 68293
2019-10-01 18:02:27.802 [ffmpeg/video] error: h264: Missing reference picture, default is 68293
2019-10-01 18:24:33.748 [ffmpeg] error: NULL: illegal reordering_of_pic_nums_idc 4
2019-10-01 18:24:33.802 [ad] warn: Invalid audio PTS: 76284.842178 -> 76285.375511
2019-10-01 18:24:33.908 [ffmpeg] error: NULL: reference count 1 overflow
2019-10-01 18:24:33.911 [ffmpeg] error: NULL: illegal reordering_of_pic_nums_idc 4
2019-10-01 18:24:33.912 [ffmpeg] error: NULL: reference count 1 overflow
2019-10-01 18:24:33.914 [ffmpeg] error: NULL: illegal reordering_of_pic_nums_idc 4
2019-10-01 18:24:33.917 [ffmpeg] error: NULL: reference count 1 overflow
2019-10-01 18:24:33.918 [ffmpeg] error: NULL: illegal reordering_of_pic_nums_idc 4
2019-10-01 18:24:33.920 [ffmpeg] error: NULL: reference count 1 overflow
2019-10-01 18:24:34.060 [ffmpeg/video] error: h264: reference picture missing during reorder
2019-10-01 18:24:34.062 [ffmpeg/video] error: h264: Missing reference picture, default is 84854
2019-10-01 18:24:34.064 [ffmpeg/video] v: h264: concealing 7671 DC, 7671 AC, 7671 MV errors in P frame
2019-10-01 18:24:34.071 [ffmpeg] error: NULL: illegal reordering_of_pic_nums_idc 4
2019-10-01 18:24:34.072 [ffmpeg] error: NULL: illegal memory management control operation 32
2019-10-01 18:24:34.093 [ffmpeg/video] error: h264: mmco: unref short failure
2019-10-01 18:24:34.118 [ffmpeg/video] error: h264: co located POCs unavailable
2019-10-01 18:24:34.127 [ffmpeg/video] error: h264: co located POCs unavailable
2019-10-01 18:24:34.143 [ffmpeg/video] error: h264: co located POCs unavailable
2019-10-01 18:24:34.193 [ffmpeg/video] error: h264: co located POCs unavailable
Thats the gist of it. Sent a player log too