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                            [TOC]


## 為音頻添加封面
有些視頻網站只允許上傳視頻文件。如果要上傳音頻文件，必須為音頻添加封面，將其轉為視頻
```
$ ffmpeg \
-loop 1 \
-i cover.jpg -i input.mp3 \
-c:v libx264 -c:a aac -b:a 192k -shortest \
output.mp4

// -loop 1參數表示圖片無限循環，-shortest參數表示音頻文件結束，輸出視頻就結束
```
                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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