tqk2811’s gists

tqk2811 / VideoRenderWork.cs

Created August 29, 2024 19:40

	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 / WrapperStream.cs

Created June 28, 2024 07:59

	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 / screencapture.cs

Last active June 3, 2024 09:57

	using System;
	using System.Collections.Generic;
	using System.Text;
	using System.Drawing;
	using System.Runtime.InteropServices;

	namespace Spazzarama.ScreenCapture
	{
	public static class Direct3DCapture
	{

tqk2811 / DeepCopyExtension.cs

Last active April 5, 2024 15:53

DeepCopy and keep your pointer of class not change. Note: for IEnumerable<T> only support Array, IList, IDictionary and can't keep pointer of items.

	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 / YuvColorSpaceWindow.xaml

Last active March 13, 2024 03:22

wpf Yuv Color Space

	<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 / 0_using.cpp

Last active April 26, 2023 13:13

NV12ToRgbShader

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

	}
	}

tqk2811 / example.cs

Last active April 26, 2023 13:14

https://stackoverflow.com/q/71670473/5034139

	//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 / Extensions.cs

Last active April 10, 2024 10:53

	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 / CancellationTokenSourceExample.cs

Last active April 26, 2023 13:14

Ví dụ

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

	Task.Run(() =>

tqk2811 / AdbScreenShot.cs

Last active November 7, 2022 08:16

	public static class AdbHelper
	{
	public static string AdbPath = "adb.exe";

	public static MemoryStream ExecuteCommandBuffer(string command)
	{
	using(Process process = new Process())
	{
	process.StartInfo.FileName = AdbPath;
	process.StartInfo.WorkingDirectory = Directory.GetCurrentDirectory();

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