45 lines
1.1 KiB
Markdown
45 lines
1.1 KiB
Markdown
## 列出 hardware acceleration
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```bash
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$ ffmpeg -hide_banner -hwaccels
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Hardware acceleration methods:
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cuda
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dxva2
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qsv
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d3d11va
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opencl
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vulkan
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```
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## 列出 codec
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```bash
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$ ffmpeg -hide_banner -codecs
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Codecs:
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D..... = Decoding supported
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.E.... = Encoding supported
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..V... = Video codec
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..A... = Audio codec
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..S... = Subtitle codec
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...I.. = Intra frame-only codec
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....L. = Lossy compression
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.....S = Lossless compression
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-------
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D.VI.S 012v Uncompressed 4:2:2 10-bit
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D.V.L. 4xm 4X Movie
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D.VI.S 8bps QuickTime 8BPS video
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.EVIL. a64_multi Multicolor charset for Commodore 64 (encoders: a64multi )
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.EVIL. a64_multi5 Multicolor charset for Commodore 64, extended with 5th color (colram) (encoders: a64multi5 )
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D.V..S aasc Autodesk RLE
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```
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### 只列出 encoder 或是 decoder
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```bash
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ffmpeg -hide_banner -encoders
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ffmpeg -hide_banner -decoders
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```
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### 列出某個 encoder 或 decoder 的詳細資料
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```bash
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$ ffmpeg -hide_banner -h encoder=<codec_name>
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or
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$ ffmpeg -hide_banner -h decoder=<codec_name>
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``` |