D:\QQDownload>ffmpeg.exe -i 1.mkv -vn -map 0:2 -f wav -ac 2 -|faac -q 120 -o 1.aac
Freeware Advanced Audio Coder
FAAC 1.28
Usage: faac [options] [-o outfile] infiles ...
and/or can be "-", which means stdin/stdout.
See also:
"faac --help" for short help on using FAAC
"faac --long-help" for a description of all options for FAAC.
"faac --license" for the license terms for FAAC.
FFmpeg version SVN-r22815-Sherpya, Copyright (c) 2000-2010 the FFmpeg developers
built on Apr 8 2010 06:25:06 with gcc 4.2.5 20090330 (prerelease) [Sherpya]
libavutil 50.14. 0 / 50.14. 0
libavcodec52.66. 0 / 52.66. 0
libavformat 52.61. 0 / 52.61. 0
libavdevice 52. 2. 0 / 52. 2. 0
libavfilter1.18. 0 / 1.18. 0
libswscale 0.10. 0 / 0.10. 0
libpostproc 51. 2. 0 / 51. 2. 0
[matroska @ 017bbd10]Estimating duration from bitrate, this may be inaccurate
Seems stream 0 codec frame rate differs from container frame rate: 48.00 (400000
0/83333) -> 24.00 (24/1)
Input #0, matroska, from '1.mkv':
Duration: 01:46:21.08, start: 0.000000, bitrate: N/A
Stream #0.0: Video: h264, yuv420p, 848x360, PAR 1:1 DAR 106:45, 24.39 fps, 2
4 tbr, 1k tbn, 48 tbc
Stream #0.1: Audio: ac3, 48000 Hz, 6 channels, s16
Stream #0.2: Audio: ac3, 48000 Hz, 6 channels, s16
Output #0, wav, to 'pipe:':
Metadata:
encoder : Lavf52.61.0
Stream #0.0: Audio: pcm_s16le, 48000 Hz, 2 channels, s16, 1536 kb/s
Stream mapping:
Stream #0.2 -> #0.0
Press [q] to stop encoding
av_interleaved_write_frame(): Error number -1 occurred
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是我的参数有问题么……请问这个错误如何解决呢