修改 type 为 codec;
增加查看编解码器类型命令. Signed-off-by: ithink.chan <chenyang@autoai.com>
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@ -41,14 +41,25 @@ ffmpeg -y -i <input file> -c:v copy -c:a copy -f mp4 <output file>
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若对音频或视频转码,可使用下列命令:
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```sh
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ffmpeg -y -i <input file> -c:v <video type> -c:a <audio type> <output file>
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ffmpeg -y -i <input file> -c:v <video codec> -c:a <audio codec> <output file>
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```
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Audio Type:
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编解码器类型可通过命令:
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```sh
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ffmpeg -encoders
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ffmpeg -decoders
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```
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查看,常用的有
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Audio codec:
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* aac
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* ac3
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* flac
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Video Type:
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Video codec:
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## 分离视频音频流
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