我需要在 Mac 终端中输入什么才能将我的
.mov
文件转换为 .m4a
?
安装了 ffmpeg
brew install ffmpeg
ffmpeg -i input.mov -acodec copy -vcodec copy output.m4v
这会将音频和视频流精确复制到新文件中。
我想我有点晚了,但是今天研究同一主题时,我发现现在 MacOS 附带了
avconvert
:
AVCONVERT(1) BSD General Commands Manual AVCONVERT(1)
NAME
avconvert -- movie conversion tool
SYNOPSIS
avconvert [-hvq] --p <preset_name> --s <source_media> --o <output_movie>
DESCRIPTION
avconvert can be used to compress video media to different types for sharing on the
web or loading onto devices.
-h prints usage information and available presets
-v sets the console output to verbose
-q sets the console output to quiet
-prog shows progress during the export (default with -v)
-p | --preset name
converts the source media to an output file using the specified preset. Use
--listPresets to get the full list. Common presets are:
PresetAppleM4VCellular
PresetAppleM4ViPod
PresetAppleM4VWiFi
PresetAppleM4VAppleTV
PresetAppleM4V480pSD
PresetAppleM4V720pHD
PresetAppleM4V1080pHD
PresetAppleM4A
1.冲泡
/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
2.获取ffmpeg
brew install ffmpeg
3a. 仅使用 ffmpeg 转换音频
ffmpeg -i input.mov -acodec copy output.m4a
3b. 使用 ffmpeg 转换视频和音频
ffmpeg -i input.mov -acodec copy -vcodec copy output.m4v