I'm running LMS 7.9.2 on a Linux server and squeezelite on a number of
Linux clients (Raspberries and Intel). I see the phenomenon that some of
my m4a files play without problem while others don't.
Here's the mediainfo for a file that works:
Code:
--------------------
General
Complete name : Austin Lucas/The Common Cold/01
Dead Factories.m4a
Format : MPEG-4
Format profile : Apple audio with iTunes info
Codec ID : M4A (M4A /mp42/isom)
File size : 3.85 MiB
Duration : 2 min 44 s
Overall bit rate mode : Variable
Overall bit rate : 196 kb/s
Album : The Common Cold
Track name : Dead Factories
Track name/Position : 1
Track name/Total : 9
Performer : Austin Lucas
Performer/Sorted by : Lucas, Austin
Genre : Country
Encoded date : UTC 2008-06-10 23:55:55
Tagged date : UTC 2013-02-02 17:16:40
Writing application : iTunes v7.6.2, QuickTime 7.4.5
Cover : Yes
Audio
ID : 1
Format : AAC LC
Format/Info : Advanced Audio Codec Low Complexity
Codec ID : mp4a-40-2
Duration : 2 min 44 s
Bit rate mode : Variable
Bit rate : 192 kb/s
Maximum bit rate : 257 kb/s
Channel(s) : 2 channels
Channel layout : L R
Sampling rate : 44.1 kHz
Frame rate : 43.066 FPS (1024 SPF)
Compression mode : Lossy
Stream size : 3.79 MiB (98%)
Encoded date : UTC 2008-06-10 23:55:55
Tagged date : UTC 2013-02-02 17:16:40
--------------------
and here for one that doesn't:
Code:
--------------------
General
Complete name : Jayme Stone/Jayme Stone's Lomax
Project/01 Lazy John.m4a
Format : MPEG-4
Format profile : Base Media / Version 1
Codec ID : mp41 (mp41/isom)
File size : 7.22 MiB
Duration : 3 min 1 s
Overall bit rate mode : Constant
Overall bit rate : 334 kb/s
Album : Jayme Stone's Lomax Project
Track name : Lazy John
Track name/Position : 1
Performer : Jayme Stone
Encoded date : UTC 2014-12-24 16:16:01
Tagged date : UTC 2015-09-27 19:27:04
Cover : Yes
Audio
ID : 1
Format : AAC LC
Format/Info : Advanced Audio Codec Low Complexity
Codec ID : mp4a-40-2
Duration : 3 min 1 s
Bit rate mode : Constant
Bit rate : 320 kb/s
Channel(s) : 2 channels
Channel layout : L R
Sampling rate : 44.1 kHz
Frame rate : 43.066 FPS (1024 SPF)
Compression mode : Lossy
Stream size : 6.92 MiB (96%)
Language : English
Encoded date : UTC 2014-12-24 16:16:01
Tagged date : UTC 2015-09-27 19:27:04
--------------------
Upon trying to play back the latter, I get the following entry in the
server log:
Code:
--------------------
[19-02-07 11:49:33.2965] Slim::Player::Squeezebox2::statHandler (150)
Error: 84:2b:2b:ad:e2:30: Decoder does not support file format, code 0
--------------------
And the following in squeezelite's log:
Code:
--------------------
HTTP/1.1 200 OK
Server: Logitech Media Server (7.9.2 - 1548942599)
Connection: close
Content-Type: audio/aac
[13:16:10.178956] sendRESP:202 RESP
[13:16:10.581453] read_mp4_header:294 type: ftyp len: 24 consume: 24
[13:16:10.581532] read_mp4_header:235 type: mdat len: 7256342 pos: 32
[13:16:10.581555] faad_decode:372 samplerate: 44100 channels: 2
[13:16:10.581574] faad_decode:377 setting track_start
[13:16:10.581600] faad_decode:414 error: 32 Bitstream value not allowed by
specification
[13:16:10.581621] faad_decode:453 unable to decode further
[13:16:10.581640] decode_thread:99 decode error
[13:16:10.581693] sendSTAT:171 STAT: STMn
--------------------
I assume the faad_decode error is the problem but doing a websearch for
it didn't turn up any useful information.
There's no DRM involved and VLC e.g. is able to play the file without
problems.
Any ideas anyone? Thank you very much in advance!
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