From 72507f2e2f627b00674b777517d08a4c490718c4 Mon Sep 17 00:00:00 2001
From: Speykious <speykious@gmail.com>
Date: Fri, 17 Dec 2021 12:30:18 +0100
Subject: [PATCH 1/3] Yeet `avformat_find_stream_info()` call

---
 SeeShark/FFmpeg/VideoStreamDecoder.cs | 1 -
 1 file changed, 1 deletion(-)

diff --git a/SeeShark/FFmpeg/VideoStreamDecoder.cs b/SeeShark/FFmpeg/VideoStreamDecoder.cs
index 5b0a0c6..01c460c 100644
--- a/SeeShark/FFmpeg/VideoStreamDecoder.cs
+++ b/SeeShark/FFmpeg/VideoStreamDecoder.cs
@@ -38,7 +38,6 @@ public VideoStreamDecoder(string url, AVInputFormat* inputFormat = null)
 
             var formatContext = FormatContext;
             ffmpeg.avformat_open_input(&formatContext, url, inputFormat, null).ThrowExceptionIfError();
-            ffmpeg.avformat_find_stream_info(formatContext, null).ThrowExceptionIfError();
 
             AVCodec* codec = null;
             StreamIndex = ffmpeg

From 494f72b894274cc6b4f52a090e489ffa084efd22 Mon Sep 17 00:00:00 2001
From: Speykious <speykious@gmail.com>
Date: Fri, 17 Dec 2021 12:45:22 +0100
Subject: [PATCH 2/3] Do not create a converter until a new frame is available

---
 SeeShark.Example.Ascii/Program.cs | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/SeeShark.Example.Ascii/Program.cs b/SeeShark.Example.Ascii/Program.cs
index 3b8c27f..2fad256 100644
--- a/SeeShark.Example.Ascii/Program.cs
+++ b/SeeShark.Example.Ascii/Program.cs
@@ -121,6 +121,10 @@ static void Main(string[] args)
         /// </summary>
         public static void OnFrameEventHandler(object? _sender, FrameEventArgs e)
         {
+            // Don't redraw the frame if it's not new, unless it's resized.
+            if (e.Status != FFmpeg.DecodeStatus.NewFrame)
+                return;
+
             var frame = e.Frame;
             if (converter == null || Console.WindowWidth != converter.SrcWidth ||
                 Console.WindowHeight != converter.SrcHeight)
@@ -130,11 +134,6 @@ public static void OnFrameEventHandler(object? _sender, FrameEventArgs e)
                 converter?.Dispose();
                 converter = new FrameConverter(frame, Console.WindowWidth, Console.WindowHeight, PixelFormat.Gray8);
             }
-            else if (e.Status != FFmpeg.DecodeStatus.NewFrame)
-            {
-                // Don't redraw the frame if it's not new, unless it's resized.
-                return;
-            }
 
             // Resize the frame to the size of the terminal window, then draw it in ASCII.
             Frame cFrame = converter.Convert(frame);

From d2e32e815d4db1fe720f71e9a28c93511f61f4a6 Mon Sep 17 00:00:00 2001
From: Speykious <speykious@gmail.com>
Date: Fri, 17 Dec 2021 12:49:56 +0100
Subject: [PATCH 3/3] Do not accept zero for src/dst Width/Height

---
 SeeShark/FrameConverter.cs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/SeeShark/FrameConverter.cs b/SeeShark/FrameConverter.cs
index 9cc1a9e..ae2441c 100644
--- a/SeeShark/FrameConverter.cs
+++ b/SeeShark/FrameConverter.cs
@@ -57,6 +57,9 @@ public FrameConverter(
             int srcWidth, int srcHeight, PixelFormat srcPixelFormat,
             int dstWidth, int dstHeight, PixelFormat dstPixelFormat)
         {
+            if (srcWidth == 0 || srcHeight == 0 || dstWidth == 0 || dstHeight == 0)
+                throw new ArgumentException("Source/Destination's Width/Height cannot be zero");
+
             SrcWidth = srcWidth;
             SrcHeight = srcHeight;
             DstWidth = dstWidth;