以 Stu 的回答为基础。我是这样找到手机视频帧速率的。我运行了一段时间以下命令。在我失去耐心并点击 ^ C 之前,我让帧数达到大约10,000:
$ ffmpeg -i 2013-07-07\ 12.00.59.mp4 -f null /dev/null 2>&1
...
Press [q] to stop, [?] for help
[null @ 0x7fcc80836000] Encoder did not produce proper pts, making some up.
frame= 7989 fps= 92 q=0.0 Lsize=N/A time=00:04:26.30 bitrate=N/A dup=10 drop=0
video:749kB audio:49828kB subtitle:0 global headers:0kB muxing overhead -100.000042%
Received signal 2: terminating.
$