[英]ffmpeg not converting an mp3 on OSX. Homebrew installed. Encoder (codec mp3) not found for output stream #0:0
好的,为 ffmpeg 安装了标准的 hoembrew。
一切看起来都很酷,我猜必须包含 mpeg 编解码器,但我一直收到一个 0 字节的文件和错误消息:
未找到输出流 #0:0 的编码器(编解码器 mp3)
最感谢的帮助。
ffmpeg -i input.mp3 -b:a 48k -ar 16000 output.mp3
ffmpeg version 3.0.1 Copyright (c) 2000-2016 the FFmpeg developers
built with Apple LLVM version 7.3.0 (clang-703.0.29)
configuration:
libavutil 55. 17.103 / 55. 17.103
libavcodec 57. 24.102 / 57. 24.102
libavformat 57. 25.100 / 57. 25.100
libavdevice 57. 0.101 / 57. 0.101
libavfilter 6. 31.100 / 6. 31.100
libswscale 4. 0.100 / 4. 0.100
libswresample 2. 0.101 / 2. 0.101
[mp3 @ 0x7ff05a010600] Skipping 0 bytes of junk at 626.
Input #0, mp3, from 'input.mp3':
Metadata:
title : Allegro from Duet in C Major
Duration: 00:00:59.56, start: 0.025057, bitrate: 192 kb/s
Stream #0:0: Audio: mp3, 44100 Hz, stereo, s16p, 192 kb/s
Metadata:
encoder : LAME3.96r
Output #0, mp3, to 'output.mp3':
Metadata:
title : Allegro from Duet in C Major
Stream #0:0: Audio: mp3, 0 channels, 128 kb/s
Stream mapping:
Stream #0:0 -> #0:0 (mp3 (native) -> ? (?))
Encoder (codec mp3) not found for output stream #0:0
这最终有效: brew install --use-clang --HEAD ffmpeg
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