包装Flv

src/JT1078.Flv/Amf/Amf0.cs

@@ -0,0 +1,21 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace JT1078.Flv
+{
+    public static class Amf0
+    {
+        public readonly static byte[] Buffer;
+
+        public readonly static byte[] FixedData = new byte[] { 0x6F, 0x6E, 0x4D, 0x65, 0x74, 0x61, 0x44, 0x61, 0x74, 0x61 };
+        static Amf0()
+        {
+            Buffer = new byte[13];
+            Buffer[0] = 0x02;
+            Buffer[1] = 0;
+            Buffer[2] = 10;
+            Array.Copy(FixedData, 0, Buffer, 3, 10);
+        }
+    }
+}

src/JT1078.Flv/Amf/Amf3.cs

@@ -0,0 +1,11 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace JT1078.Flv
+{
+    public static class Amf3
+    {
+       
+    }
+}

src/JT1078.Flv/Enums/AacPacketType.cs

@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace JT1078.Flv
+{
+    public enum AacPacketType
+    {
+        SequenceHeader,
+        Raw
+    }
+}

src/JT1078.Flv/Enums/CodecId.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace JT1078.Flv
+{
+    public enum CodecId
+    {
+        Jpeg = 1,
+        H263,
+        ScreenVideo,
+        Vp6,
+        Vp6WithAlpha,
+        ScreenVideo2,
+        Avc
+    }
+}

src/JT1078.Flv/Enums/FrameType.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace JT1078.Flv
+{
+    public enum FrameType
+    {
+        KeyFrame = 1,
+        InterFrame,
+        DisposableInterFrame,
+        GeneratedKeyFrame,
+        VideoInfoOrCommandFrame
+    }
+}

src/JT1078.Flv/FlvArrayPool.cs

@@ -0,0 +1,24 @@
+using System.Buffers;
+
+namespace JT1078.Flv
+{
+    internal static class FlvArrayPool
+    {
+        private readonly static ArrayPool<byte> ArrayPool;
+
+        static FlvArrayPool()
+        {
+            ArrayPool = ArrayPool<byte>.Create();
+        }
+
+        public static byte[] Rent(int minimumLength)
+        {
+            return ArrayPool.Rent(minimumLength);
+        }
+
+        public static void Return(byte[] array, bool clearArray = false)
+        {
+            ArrayPool.Return(array, clearArray);
+        }
+    }
+}

src/JT1078.Flv/FlvBody.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace JT1078.Flv
+{
+    public class FlvBody
+    {
+        /// <summary>
+        /// 前一个tag的长度
+        /// </summary>
+        public uint PreviousTagSize { get; set; }
+        public FlvTag Tag { get; set; }
+    }
+}

src/JT1078.Flv/FlvHeader.cs

@@ -0,0 +1,33 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Buffers.Binary;
+
+namespace JT1078.Flv
+{
+    public struct FlvHeader
+    {
+        public FlvHeader(bool hasVideo,bool hasAudio)
+        {
+            byte audioFlag = 0x01 << 2;
+            byte videoFlag = 0x01;
+            Flags = 0x00;
+            if (hasAudio) Flags |= audioFlag;
+            if (hasVideo) Flags |= videoFlag;
+        }
+
+        private byte Flags;
+
+        public ReadOnlySpan<byte> ToArray()
+        {
+            Span<byte> tmp = new byte[9];
+            tmp[0] = 0x46;
+            tmp[1] = 0x4c;
+            tmp[2] = 0x66;
+            tmp[3] = 0x01;
+            tmp[4] = Flags;
+            BinaryPrimitives.WriteInt32BigEndian(tmp.Slice(5), 9);
+            return tmp;
+        }
+    }
+}

src/JT1078.Flv/FlvMuxer.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace JT1078.Flv
+{
+    public class FlvMuxer
+    {
+        private readonly FlvHeader VideoFlvHeader = new FlvHeader(true, false);
+        public void FlvVideoMuxer()
+        {
+            
+        }
+    }
+}

src/JT1078.Flv/FlvTag.cs

@@ -0,0 +1,11 @@
+namespace JT1078.Flv
+{
+    public class FlvTag
+    {
+        public FlvTagHeader TagHeader { get; set; }
+        /// <summary>
+        /// 根据tag类型
+        /// </summary>
+        public byte[] TagData { get; set; }
+    }
+}

src/JT1078.Flv/FlvTagHeader.cs

@@ -0,0 +1,27 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace JT1078.Flv
+{
+    public class FlvTagHeader
+    {
+        public byte Type { get; set; }
+        /// <summary>
+        /// Tag Data部分大小
+        /// 3个字节
+        /// </summary>
+        public uint DataSize { get; set; }
+        /// <summary>
+        /// Tag时间戳
+        /// 3个字节
+        /// </summary>
+        public uint Timestamp { get; set; }
+        public byte TimestampExt { get; set; } = 0;
+        /// <summary>
+        /// stream id 总是0
+        /// 3个字节
+        /// </summary>
+        public uint StreamId { get; set; } = 0;
+    }
+}

src/JT1078.Flv/JT1078.Flv.csproj

@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>netstandard2.0</TargetFramework>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="System.Memory" Version="4.5.3" />
+  </ItemGroup>
+</Project>

src/JT1078.sln

@@ -27,6 +27,8 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "JT808.Protocol.Extensions.WebApiTest", "JT808.Protocol.Extensions.WebApiTest\JT808.Protocol.Extensions.WebApiTest.csproj", "{9DB37370-AC73-434B-9CE2-6659321858C8}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "JT1078.Flv", "JT1078.Flv\JT1078.Flv.csproj", "{33E54FFC-7D91-42E5-9DC1-853738AB8980}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -65,6 +67,10 @@ Global
 		{9DB37370-AC73-434B-9CE2-6659321858C8}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{9DB37370-AC73-434B-9CE2-6659321858C8}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{9DB37370-AC73-434B-9CE2-6659321858C8}.Release|Any CPU.Build.0 = Release|Any CPU
+		{33E54FFC-7D91-42E5-9DC1-853738AB8980}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{33E54FFC-7D91-42E5-9DC1-853738AB8980}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{33E54FFC-7D91-42E5-9DC1-853738AB8980}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{33E54FFC-7D91-42E5-9DC1-853738AB8980}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE