Stack Overflow Asked by Jerry Xiong on January 1, 2022
I first tried:
ffmpeg -y -i image.jpg -i audio.mp3 -c:a copy output.mp4
but when I uploaded to video sharing websites (bilibili.com), it says "no video track", so I tried:
ffmpeg -r 1 -loop 1 -i image.jpg -i audio.mp3 -acodec copy -r 1 -shortest output.mp4
The file was successfully uploaded, but when I watched it on the website, the image disappeared and it turned grey. I merged 6 videos and only one of them can be normally played back. (This is the URL to the video: click here, if you can visit the website you’ll see what I mean.)
What should I do?
Problems with your command #2:
-framerate
to 10 fps or higher.ffmpeg
will choose AAC by default for MP4.-movflags +faststart
so MP4 can begin playback faster.Command:
ffmpeg -framerate 1 -loop 1 -i image.jpg -i audio.mp3 -vf format=yuv420p -r 10 -shortest -movflags +faststart output.mp4
Answered by llogan on January 1, 2022
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