tqk2811

        CancellationTokenSource source = null;
        void Run()
        {
            if(source?.IsCancellationRequested != false)//true hoặc source null
            {
                source?.Dispose();
                source = new CancellationTokenSource();
            }

            Task.Run(() =>

tqk2811

    internal static class Extensions
    {
        static unsafe string av_strerror(int error)
        {
            var bufferSize = 1024;
            var buffer = stackalloc byte[bufferSize];
            ffmpeg.av_strerror(error, buffer, (ulong)bufferSize);
            var message = Marshal.PtrToStringAnsi((IntPtr)buffer);
            return message;
        }

tqk2811

//https://github.com/tqk2811/FFmpegArgs
FFmpegArg ffmpegArg = new FFmpegArg();

var colorInput = new FilterGraphInput();
colorInput.FilterGraph.ColorFilter().Size(new Size(width,height)).Color(Color.Transparent);

var colorVideo = ffmpegArg.AddVideoInput(colorInput,1,0);
var colorMap = colorVideo.ImageMaps.First();

List<ImageMap> maps = new List<ImageMap>();

tqk2811

NV12ToRgbShader* shader = new NV12ToRgbShader();
if(shader->Init())
{
  AVFrame* src = ...;
  AVFrame* dst = ...;
  if(shader->Convert(src,dst))
  {
    
  }
}

tqk2811

<Window x:Class="Yuv.YuvColorSpaceWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        mc:Ignorable="d"
        Title="YuvColorSpace" Height="470" Width="450">
    <Grid>
        <Rectangle >
            <Rectangle.Fill>

tqk2811

    public static class DeepCopyExtension
    {

        public static T CloneByJson<T>(this T obj, JsonSerializerSettings? jsonSerializerSettings = null)
        {
            return JsonConvert.DeserializeObject<T>(JsonConvert.SerializeObject(obj, jsonSerializerSettings), jsonSerializerSettings)!;
        }
        public static object? CloneByJson(this object obj, Type type, JsonSerializerSettings? jsonSerializerSettings = null)
        {
            return JsonConvert.DeserializeObject(JsonConvert.SerializeObject(obj, jsonSerializerSettings), type, jsonSerializerSettings)!;

tqk2811

using System;
using System.Collections.Generic;
using System.Text;
using System.Drawing;
using System.Runtime.InteropServices;
 
namespace Spazzarama.ScreenCapture
{
    public static class Direct3DCapture
    {

tqk2811

class WrapperStream : Stream
{
    readonly HttpResponseMessage _httpResponseMessage;
    readonly Stream _stream;
    public WrapperStream(HttpResponseMessage httpResponseMessage, Stream stream)
    {
        this._httpResponseMessage = httpResponseMessage;
        this._stream = stream;
    }
    public override bool CanRead => _stream.CanRead;

tqk2811

            try
            {
                VideoTextVM.RenderWorkStatus = RenderWorkStatus.Working;
                if (string.IsNullOrWhiteSpace(VideoOutputConfigure.SaveDir))
                    throw new InvalidOperationException("Chưa chọn thư mục đầu ra");

                Directory.CreateDirectory(VideoTextVM.TmpDir);

                FFmpegArg ffmpegArg = new FFmpegArg().OverWriteOutput().VSync(VSyncMethod.cfr);

tqk2811

ChromeDriverService? _service = null;
        public int? ChromeProcessId
        {
            get
            {
                ProcessHelper processHelper = new ProcessHelper((uint)_service!.ProcessId);
                            foreach (var child in processHelper.ChildrensProcess)
                            {
                                ProcessHelper.Win32_Process? win32_Process = child.Query_Win32_Process();
                                if (win32_Process?.Name?.Contains("chrome", StringComparison.OrdinalIgnoreCase) == true)