c# - 在 C# 中获取视频剪辑的帧率

Question

如何在 C# 中获取视频剪辑的帧速率？视频剪辑为 WMV、MP4、MPG 格式。

Answer 1

您可以使用 IWMPNetwork::frameRate属性以获取视频的帧速率(您需要将 Interop.WMPLib.dll.dll 添加到您的项目中)。

示例代码(取自上面的链接):

// Add a delegate for the PlayStateChange event.
player.PlayStateChange += new AxWMPLib._WMPOCXEvents_PlayStateChangeEventHandler(player_PlayStateChange);

// Create an event handler for the PlayStateChange event.
private void player_PlayStateChange(object sender, AxWMPLib._WMPOCXEvents_PlayStateChangeEvent e)
{
    // Display the frameRate when the player is playing. 
    switch (e.newState)
    {
        case 3:  // Play State = WMPLib.WMPPlayState.wmppsPlaying = 3
            if (player.network.frameRate != 0)
            {
                frameRateLabel.Text = "Current Frame Rate: " + player.network.frameRate + " K bits/second";
            }
            break;

        default:
            break;
    }
}