I have tried the same ffmpeg conversion under Debian:
Code:
--------------------
$ ffmpeg -i f.wma -f flac o.flac
--------------------
and it works. The version of ffmpeg is reported as:
Code:
--------------------
ffmpeg version 4.1.6-1~deb10u1 Copyright (c) 2000-2020 the FFmpeg developers
built with gcc 8 (Debian 8.3.0-6)
--------------------
And the ouptut is:
Code:
--------------------
Guessed Channel Layout for Input Stream #0.1 : stereo
Input #0, asf, from 'f.wma':
Metadata:
WMFSDKVersion : 10.00.00.3646
WMFSDKNeeded : 0.0.0.0000
WM/Track : 0
WM/MediaPrimaryClassID: {D1607DBC-E323-4BE2-86A1-48A42A28441E}
WM/Year : 1956
WM/UniqueFileIdentifier: AMGa_id=R 144141;AMGp_id=P 106839;AMGt_id=T
2556463
composer : Thelonious Monk
publisher : Riverside
genre : Jazz
album : Brilliant Corners
album_artist : Thelonious Monk
WM/Provider : AMG
WM/ProviderRating: 9
WM/ProviderStyle: Jazz
track : 1
IsVBR : 0
DeviceConformanceTemplate: L1
WM/WMADRCPeakReference: 31417
WM/WMADRCAverageReference: 3972
title : Brilliant Corners
artist : Thelonious Monk
Duration: 00:07:45.47, start: 0.000000, bitrate: 128 kb/s
Stream #0:0: Video: mjpeg, yuvj420p(pc, bt470bg/unknown/unknown), 200x202
[SAR 96:96 DAR 100:101], 90k tbr, 90k tbn, 90k tbc
Metadata:
comment : Cover (front)
Stream #0:1(eng): Audio: wmav2 (a[1][0][0] / 0x0161), 44100 Hz, stereo, fltp,
128 kb/s
Stream mapping:
Stream #0:0 -> #0:0 (mjpeg (native) -> png (native))
Stream #0:1 -> #0:1 (wmav2 (native) -> flac (native))
Press [q] to stop, [?] for help
[swscaler @ 0x55dd11669c80] deprecated pixel format used, make sure you did
set range correctly
[flac @ 0x55dd11613a80] Frame rate very high for a muxer not efficiently
supporting it.
Please consider specifying a lower framerate, a different muxer or -vsync 2
[flac @ 0x55dd11610200] encoding as 24 bits-per-sample
Output #0, flac, to 'o.flac':
Metadata:
WMFSDKVersion : 10.00.00.3646
WMFSDKNeeded : 0.0.0.0000
WM/Track : 0
WM/MediaPrimaryClassID: {D1607DBC-E323-4BE2-86A1-48A42A28441E}
WM/Year : 1956
WM/UniqueFileIdentifier: AMGa_id=R 144141;AMGp_id=P 106839;AMGt_id=T
2556463
composer : Thelonious Monk
publisher : Riverside
genre : Jazz
album : Brilliant Corners
album_artist : Thelonious Monk
WM/Provider : AMG
WM/ProviderRating: 9
WM/ProviderStyle: Jazz
track : 1
IsVBR : 0
DeviceConformanceTemplate: L1
WM/WMADRCPeakReference: 31417
WM/WMADRCAverageReference: 3972
title : Brilliant Corners
artist : Thelonious Monk
encoder : Lavf58.20.100
Stream #0:0: Video: png, rgb24(progressive), 200x202 [SAR 1:1 DAR 100:101],
q=2-31, 200 kb/s, 90k fps, 90k tbn, 90k tbc
Metadata:
comment : Cover (front)
encoder : Lavc58.35.100 png
Stream #0:1(eng): Audio: flac, 44100 Hz, stereo, s32 (24 bit), 128 kb/s
Metadata:
encoder : Lavc58.35.100 flac
frame= 1 fps=0.0 q=0.0 size= 0kB time=00:00:35.89 bitrate=
0.0kbits/sframe= 1 fps=1.0 q=0.0 size= 0kB time=00:01:11.95 bitrate=
0.0kbits/sframe= 1 fps=0.7 q=0.0 size= 0kB time=00:01:47.36 bitrate=
0.0kbits/sframe= 1 fps=0.5 q=0.0 size= 0kB time=00:02:23.31 bitrate=
0.0kbits/sframe= 1 fps=0.4 q=0.0 size= 0kB time=00:02:59.36 bitrate=
0.0kbits/sframe= 1 fps=0.3 q=0.0 size= 0kB time=00:03:35.41 bitrate=
0.0kbits/sframe= 1 fps=0.3 q=0.0 size= 0kB time=00:04:11.58 bitrate=
0.0kbits/sframe= 1 fps=0.2 q=0.0 size= 0kB time=00:04:47.50 bitrate=
0.0kbits/sframe= 1 fps=0.2 q=0.0 size= 0kB time=00:05:23.66 bitrate=
0.0kbits/sframe= 1 fps=0.2 q=0.0 size= 0kB time=00:05:59.81 bitrate=
0.0kbits/sframe= 1 fps=0.2 q=0.0 size= 0kB time=00:06:36.18 bitrate=
0.0kbits/sframe= 1 fps=0.2 q=0.0 size= 0kB time=00:07:12.13 bitrate=
0.0kbits/sframe= 1 fps=0.1 q=-0.0 L
size= 80079kB time=00:07:45.46 bitrate=1409.3kbits/s speed=69.3x
video:85kB audio:79985kB subtitle:0kB other streams:0kB global headers:0kB
muxing overhead: 0.010902%
--------------------
As with ffmpeg on pcp, it treats the jpg as a video stream (oddly) but
is able to convert it, unlike the version of ffmpeg on pcp.
------------------------------------------------------------------------
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