如何在WPF中流式传输网络摄像头？

mediaElement.Source = new Uri("http://example.com/camera.mp4");

Install-Package ffmpeg-sharp

FFmpeg.AutoGen.FFmpeg.av_register_all();
FFmpeg.AutoGen.FFmpeg.avformat_network_init();

var pFormatContext = FFmpeg.AutoGen.FFmpeg.avformat_alloc_context();
var pFormatContextPtr = new FFmpeg.AutoGen.AVFormatContextPtr(pFormatContext);

if (FFmpeg.AutoGen.FFmpeg.avformat_open_input(pFormatContextPtr, "http://example.com/camera.mp4", null, null) == 0)
{
    if (FFmpeg.AutoGen.FFmpeg.avformat_find_stream_info(pFormatContextPtr, null) >= 0)
    {
        int videoStreamIndex = -1;
        for (int i = 0; i < pFormatContext->nb_streams; i++)
        {
            if (pFormatContext->streams[i]->codecpar->codec_type == FFmpeg.AutoGen.AVMediaType.AVMEDIA_TYPE_VIDEO)
            {
                videoStreamIndex = i;
                break;
            }
        }

        if (videoStreamIndex >= 0)
        {
            var pCodec = FFmpeg.AutoGen.FFmpeg.avcodec_find_decoder(pFormatContext->streams[videoStreamIndex]->codecpar->codec_id);
            var pCodecContext = FFmpeg.AutoGen.FFmpeg.avcodec_alloc_context3(pCodec);
            if (FFmpeg.AutoGen.FFmpeg.avcodec_parameters_to_context(pCodecContext, pFormatContext->streams[videoStreamIndex]->codecpar) >= 0)
            {
                if (FFmpeg.AutoGen.FFmpeg.avcodec_open2(pCodecContext, pCodec, null) >= 0)
                {
                    var packet = new FFmpeg.AutoGen.AVPacket();
                    var frame = new FFmpeg.AutoGen.AVFrame();
                    while (FFmpeg.AutoGen.FFmpeg.av_read_frame(pFormatContextPtr, packet) >= 0)
                    {
                        if (packet.stream_index == videoStreamIndex)
                        {
                            int ret = FFmpeg.AutoGen.FFmpeg.avcodec_send_packet(pCodecContext, packet);
                            if (ret >= 0)
                            {
                                ret = FFmpeg.AutoGen.FFmpeg.avcodec_receive_frame(pCodecContext, frame);
                                if (ret >= 0)
                                {
                                    // 将解码后的视频数据传递给MediaElement控件播放
                                    mediaElement.Source = new Uri("http://example.com/camera.mp4");
                                }
                            }
                        }
                        FFmpeg.AutoGen.FFmpeg.av_packet_unref(packet);
                    }
                    FFmpeg.AutoGen.FFmpeg.avcodec_close(pCodecContext);
                }
            }
            FFmpeg.AutoGen.FFmpeg.avcodec_free_context(&pCodecContext);
        }
    }
    FFmpeg.AutoGen.FFmpeg.avformat_close_input(&pFormatContextPtr);
}