PHP简单方式获取视频预览图

1. convertToFlv( "some-video-input.avi", "output.jpg" );
3. function convertToFlv( $input, $output ) {
4. echo "Converting $input to $output
   ";
5. $command = "ffmpeg -v 0 -y -i $input -vframes 1 -ss 5 -vcodec mjpeg -f rawvideo -s 286x160 -aspect 16:9 $output ";
6. echo "$command
   ";
7. shell_exec( $command );
8. echo "Converted
   ";
9. }
10. ?>

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PHP