我尝试使用 ffmpeg 剪切 mp3 文件但也保留其专辑封面。
我发现，如果剪辑从 00:00:00 开始，它会保留专辑封面，如果不是，它就不会保留。
我收到一条错误消息：
[mp3 @ 03f30060] 部分附加图片未发送数据包。
以下是命令行参数。
ffmpeg -y -i "C:\mp3\The Official UK Top 40
Singles Chart 20130728\02 One Direction - Best Song Ever.mp3" -vcodec copy -a
codec libmp3lame -ss 00:00:50.546 -t 8.66 -map_metadata 0 -write_id3v2 1 -id3v
2_version 3 "C:\mp3\The Official UK Top 40 Singles Chart 20130728\02 One Direct
ion - Best Song Ever_cut.mp3"
ffmpeg version N-60321-g4d7d9a5 Copyright (c) 2000-2014 the FFmpeg developers
built on Feb 2 2014 22:01:03 with gcc 4.8.2 (GCC)
configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-av
isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enab
le-iconv --enable-libass --enable-libbluray --enable-libcaca --enable-libfreetyp
e --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --ena
ble-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-l
ibopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libsp
eex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-aa
cenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavp
ack --enable-libx264 --enable-libxavs --enable-libxvid --enable-zlib
libavutil 52. 63.100 / 52. 63.100
libavcodec 55. 49.101 / 55. 49.101
libavformat 55. 29.101 / 55. 29.101
libavdevice 55. 7.100 / 55. 7.100
libavfilter 4. 1.102 / 4. 1.102
libswscale 2. 5.101 / 2. 5.101
libswresample 0. 17.104 / 0. 17.104
libpostproc 52. 3.100 / 52. 3.100
Input #0, mp3, from 'C:\mp3\The Official UK Top 40 Singles Chart 20130728\02 One
Direction - Best Song Ever.mp3':
Metadata:
album_artist : Various Artists
encoded_by : Tag&Rename 3.6.6
title : Best Song Ever
artist : One Direction
track : 02
album : The Official Uk Top 40 Singles Chart 28-07-2013
TRSN : http://www.oldskoolscouse.co.uk/
genre : Pop
TCMP : 1
date : 2013
Duration: 00:03:22.53, start: 0.025056, bitrate: 325 kb/s
Stream #0:0: Audio: mp3, 44100 Hz, stereo, s16p, 320 kb/s
Stream #0:1: Video: mjpeg, yuvj444p(pc), 600x600 [SAR 72:72 DAR 1:1], 90k tb
r, 90k tbn, 90k tbc
Metadata:
title :
comment : Cover (front)
Output #0, mp3, to 'C:\mp3\The Official UK Top 40 Singles Chart 20130728\02 One
Direction - Best Song Ever_cut.mp3':
Metadata:
TPE2 : Various Artists
TENC : Tag&Rename 3.6.6
TIT2 : Best Song Ever
TPE1 : One Direction
TRCK : 02
TALB : The Official Uk Top 40 Singles Chart 28-07-2013
TRSN : http://www.oldskoolscouse.co.uk/
TCON : Pop
TCMP : 1
TYER : 2013
TSSE : Lavf55.29.101
Stream #0:0: Video: mjpeg, yuvj444p, 600x600 [SAR 72:72 DAR 1:1], q=2-31, 90
k tbn, 90k tbc
Metadata:
title :
comment : Cover (front)
Stream #0:1: Audio: mp3 (libmp3lame), 44100 Hz, stereo, s16p
Stream mapping:
Stream #0:1 -> #0:0 (copy)
Stream #0:0 -> #0:1 (mp3 -> libmp3lame)
Press [q] to stop, [?] for help
frame= 0 fps=0.0 q=-1.0 size= 0kB time=00:00:02.92 bitrate= 0.8kbits/
frame= 0 fps=0.0 q=-1.0 size= 0kB time=00:00:08.54 bitrate= 0.3kbits/
frame= 0 fps=0.0 q=-1.0 size= 0kB time=00:00:08.54 bitrate= 0.3kbits/
[mp3 @ 03f30060] No packets were sent for some of the attached pictures.
frame= 0 fps=0.0 q=-1.0 Lsize= 136kB time=00:00:08.67 bitrate= 128.8kbits
/s
video:0kB audio:136kB subtitle:0 data:0 global headers:0kB muxing overhead 0.358
529%
答案1
尝试放在-ss -t之前-i mp3。
当-ss用作输出选项（在 之后-i）时，ffmpeg 会丢弃输入，直到时间戳到达位置。封面流通常持续时间很短，这意味着它将被丢弃。有关详细信息，请参阅-ss中的选项说明man ffmpeg。