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junxnone · Jul 22, 2023 · 4eb2b5d · 4eb2b5d
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diff --git a/docs/0002_Tools_Media_ffmpeg.md b/docs/0002_Tools_Media_ffmpeg.md
@@ -2,19 +2,13 @@
 Title | Tools Media ffmpeg
 -- | --
 Created @ | `2022-08-23T03:37:05Z`
-Last Modify @| `2022-12-21T15:05:29Z`
+Updated @| `2023-07-22T15:16:53Z`
 Labels | ``
 Edit @| [here](https://github.com/junxnone/linux/issues/2)
 
 ---
 # ffmpeg 多媒体工具
 
-## Reference
-- [Remove sequentially duplicate frames when using FFmpeg](https://stackoverflow.com/questions/37088517/remove-sequentially-duplicate-frames-when-using-ffmpeg)
-- [ffmpeg音视频加速](https://www.jianshu.com/p/ea4af542df6a)
-
-## Brief
-
 
 ## UseCase
 
@@ -56,4 +50,15 @@ ffmpeg -i input.mp4 -ss 00:10:03 -t 00:03:00 -vcodec copy -acodec copy output.mp
 ```
 - `-ss` 开始时间戳
 - `-t` 长度
+
+### 截取图片
+
+```
+ffmpeg -i input.mp4 -ss 00:00:30 -vframe 1 ouput.jpg -an -vcodec mjpeg
+```
+
+
+## Reference
+- [Remove sequentially duplicate frames when using FFmpeg](https://stackoverflow.com/questions/37088517/remove-sequentially-duplicate-frames-when-using-ffmpeg)
+- [ffmpeg音视频加速](https://www.jianshu.com/p/ea4af542df6a)
 
diff --git a/docs/bk/0002_Tools_Media_ffmpeg.md b/docs/bk/0002_Tools_Media_ffmpeg.md
@@ -1,24 +1,16 @@
 -----
 
-| Title         | Tools Media ffmpeg                                 |
-| ------------- | -------------------------------------------------- |
-| Created @     | `2022-08-23T03:37:05Z`                             |
-| Last Modify @ | `2022-12-21T15:05:29Z`                             |
-| Labels        | \`\`                                               |
-| Edit @        | [here](https://github.com/junxnone/linux/issues/2) |
+| Title     | Tools Media ffmpeg                                 |
+| --------- | -------------------------------------------------- |
+| Created @ | `2022-08-23T03:37:05Z`                             |
+| Updated @ | `2023-07-22T15:16:53Z`                             |
+| Labels    | \`\`                                               |
+| Edit @    | [here](https://github.com/junxnone/linux/issues/2) |
 
 -----
 
 # ffmpeg 多媒体工具
 
-## Reference
-
-  - [Remove sequentially duplicate frames when using
-    FFmpeg](https://stackoverflow.com/questions/37088517/remove-sequentially-duplicate-frames-when-using-ffmpeg)
-  - [ffmpeg音视频加速](https://www.jianshu.com/p/ea4af542df6a)
-
-## Brief
-
 ## UseCase
 
 ### 录制桌面
@@ -45,3 +37,13 @@
 
   - `-ss` 开始时间戳
   - `-t` 长度
+
+### 截取图片
+
+    ffmpeg -i input.mp4 -ss 00:00:30 -vframe 1 ouput.jpg -an -vcodec mjpeg
+
+## Reference
+
+  - [Remove sequentially duplicate frames when using
+    FFmpeg](https://stackoverflow.com/questions/37088517/remove-sequentially-duplicate-frames-when-using-ffmpeg)
+  - [ffmpeg音视频加速](https://www.jianshu.com/p/ea4af542df6a)