[Transcoder] Unrecognized option 'aac_coder:1'

Server Version#: 1.22.3.4392
Player Version#: Web and Android Phone

The movie here it’s failing on is 4K HEVC (18699 kbps) and EAC3 5.1 Audio (768 kbps/48000Hz). This movie also plays perfectly fine via Shield and via Windows PMS. Seems to be failing only when it needs to transcode.

May 02, 2021 23:43:00.272 [0x7fd5cd7fa700] Verbose — [Transcode] [IDLE] Adding (0->1) work item transcoder - 0a69811c17b8819a-com-plexapp-android
May 02, 2021 23:43:00.272 [0x7fd5cd7fa700] Verbose — [Transcode] [IDLE] * transcoder - 0a69811c17b8819a-com-plexapp-android - 1 active item(s)
May 02, 2021 23:43:00.384 [0x7fd547fff700] Debug — [Transcode/JobRunner] Job running: EAE_ROOT=’/tmp/pms-137a4365-f73e-4dbf-89ab-a56933ec4fa7/EasyAudioEncoder’ FFMPEG_EXTERNAL_LIBS=’/srv/dev-disk-by-id-md-name-rancher.lan-0/plexmediaserver/Library/Application\ Support/Plex\ Media\ Server/Codecs/73e06c8-3759-linux-x86_64/’ X_PLEX_TOKEN=xxxxxxxxxxxxxxxxxxxxM’ ‘/usr/lib/plexmediaserver/Plex Transcoder’ ‘-codec:0’ ‘hevc’ ‘-codec:1’ ‘eac3_eae’ ‘-eae_prefix:1’ ‘0a69811c17b8819a-com-plexapp-android_’ ‘-noaccurate_seek’ ‘-analyzeduration’ ‘20000000’ ‘-probesize’ ‘20000000’ ‘-i’ ‘/srv/dev-disk-by-id-md-name-rancher.lan-0/movies/movie.mkv’ ‘-map’ ‘0:0’ ‘-codec:0’ ‘copy’ ‘-filter_complex’ ‘[0:1] aresample=async=1:ocl=’’‘5.1’’’:rematrix_maxval=0.000000dB:osr=48000[0]’ ‘-map’ ‘[0]’ ‘-metadata:s:1’ ‘language=eng’ ‘-codec:1’ ‘aac’ ‘-strict:1’ ‘experimental’ ‘-aac_coder:1’ ‘fast’ ‘-q:1’ ‘0’ ‘-segment_format’ ‘mpegts’ ‘-f’ ‘ssegment’ ‘-individual_header_trailer’ ‘0’ ‘-segment_time’ ‘10’ ‘-segment_start_number’ ‘0’ ‘-segment_copyts’ ‘1’ ‘-segment_time_delta’ ‘0.0625’ ‘-segment_list’ ‘http://127.0.0.1:32400/video/:/transcode/session/0a69811c17b8819a-com-plexapp-android/369294c5-9963-4cd3-8946-7f9e33d50554/seglist?X-Plex-Http-Pipeline=infinite’ ‘-segment_list_type’ ‘csv’ ‘-segment_list_size’ ‘5’ ‘-segment_list_separate_stream_times’ ‘1’ ‘-segment_list_unfinished’ ‘1’ ‘-max_delay’ ‘5000000’ ‘-avoid_negative_ts’ ‘disabled’ ‘-map_metadata’ ‘-1’ ‘-map_chapters’ ‘-1’ ‘media-%05d.ts’ ‘-start_at_zero’ ‘-copyts’ ‘-vsync’ ‘cfr’ ‘-y’ ‘-nostats’ ‘-loglevel’ ‘quiet’ ‘-loglevel_plex’ ‘error’ ‘-progressurl’ ‘http://127.0.0.1:32400/video/:/transcode/session/0a69811c17b8819a-com-plexapp-android/369294c5-9963-4cd3-8946-7f9e33d50554/progress

May 02, 2021 23:43:00.391 [0x7fd5cd7fa700] Error — [Transcoder] Unrecognized option ‘aac_coder:1’.
May 02, 2021 23:43:00.391 [0x7fd5d4ba4700] Error — [Transcoder] Error splitting the argument list: Option not found
May 02, 2021 23:43:00.392 [0x7fd5d53b5700] Debug — Jobs: ‘/usr/lib/plexmediaserver/Plex Transcoder’ exit code for process 19797 is 1 (failure)
May 02, 2021 23:43:00.392 [0x7fd556ffd700] Debug — Streaming Resource: Terminated session 0x7fd5ac00fef0:0a69811c17b8819a-com-plexapp-android with reason Conversion failed. The transcoder exited due to an error.

Sorry, not possible to diagnose from a snippet.

What this does imply is the server can’t connect to Plex.tv to download the new codecs . This is why it’s reporting unknown.

DEBUG logs (not VERBOSE) ZIP file is needed to see what’s happening.

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