From c063043271c7805cb48b55a57e1d797c86f21c9d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=B5=B5=E5=AE=81?= <602726286@qq.com>
Date: Tue, 11 Oct 2022 13:50:29 +0800
Subject: [PATCH 1/2] fix extension is not png lost path

---
 FFMpegCore/FFMpeg/FFMpeg.cs | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/FFMpegCore/FFMpeg/FFMpeg.cs b/FFMpegCore/FFMpeg/FFMpeg.cs
index 909a96a..a2d08e9 100644
--- a/FFMpegCore/FFMpeg/FFMpeg.cs
+++ b/FFMpegCore/FFMpeg/FFMpeg.cs
@@ -150,7 +150,7 @@ public static bool Convert(
                         .UsingMultithreading(multithreaded)
                         .WithVideoCodec(VideoCodec.LibX264)
                         .WithVideoBitrate(2400)
-                        .WithVideoFilters(filterOptions => filterOptions 
+                        .WithVideoFilters(filterOptions => filterOptions
                             .Scale(outputSize))
                         .WithSpeedPreset(speed)
                         .WithAudioCodec(AudioCodec.Aac)
@@ -162,7 +162,7 @@ public static bool Convert(
                         .UsingMultithreading(multithreaded)
                         .WithVideoCodec(VideoCodec.LibTheora)
                         .WithVideoBitrate(2400)
-                        .WithVideoFilters(filterOptions => filterOptions 
+                        .WithVideoFilters(filterOptions => filterOptions
                             .Scale(outputSize))
                         .WithSpeedPreset(speed)
                         .WithAudioCodec(AudioCodec.LibVorbis)
@@ -181,7 +181,7 @@ public static bool Convert(
                         .UsingMultithreading(multithreaded)
                         .WithVideoCodec(VideoCodec.LibVpx)
                         .WithVideoBitrate(2400)
-                        .WithVideoFilters(filterOptions => filterOptions 
+                        .WithVideoFilters(filterOptions => filterOptions
                             .Scale(outputSize))
                         .WithSpeedPreset(speed)
                         .WithAudioCodec(AudioCodec.LibVorbis)
@@ -236,7 +236,7 @@ public static bool SaveM3U8Stream(Uri uri, string output)
 
             if (uri.Scheme != "http" && uri.Scheme != "https")
                 throw new ArgumentException($"Uri: {uri.AbsoluteUri}, does not point to a valid http(s) stream.");
-            
+
             return FFMpegArguments
                 .FromUrlInput(uri)
                 .OutputToFile(output)
@@ -319,7 +319,7 @@ internal static IReadOnlyList<PixelFormat> GetPixelFormatsInternal()
             };
 
             var result = processArguments.StartAndWaitForExit();
-            if (result.ExitCode != 0) 
+            if (result.ExitCode != 0)
                 throw new FFMpegException(FFMpegExceptionType.Process, string.Join("\r\n", result.OutputData));
 
             return list.AsReadOnly();
@@ -361,7 +361,7 @@ private static void ParsePartOfCodecs(Dictionary<string, Codec> codecs, string a
             processArguments.OutputDataReceived += (e, data) =>
             {
                 var codec = parser(data);
-                if(codec != null)
+                if (codec != null)
                     if (codecs.TryGetValue(codec.Name, out var parentCodec))
                         parentCodec.Merge(codec);
                     else
@@ -408,7 +408,7 @@ public static IReadOnlyList<Codec> GetCodecs(CodecType type)
         {
             if (!GlobalFFOptions.Current.UseCache)
                 return GetCodecsInternal().Values.Where(x => x.Type == type).ToList().AsReadOnly();
-            return FFMpegCache.Codecs.Values.Where(x=>x.Type == type).ToList().AsReadOnly();
+            return FFMpegCache.Codecs.Values.Where(x => x.Type == type).ToList().AsReadOnly();
         }
 
         public static IReadOnlyList<Codec> GetVideoCodecs() => GetCodecs(CodecType.Video);

From b175eed38cf5648df89d3885f2260cfe44d88075 Mon Sep 17 00:00:00 2001
From: Malte Rosenbjerg <rosenbjerg@users.noreply.github.com>
Date: Tue, 31 Jan 2023 20:24:01 +0100
Subject: [PATCH 2/2] Apply fix to methods in new location

---
 FFMpegCore/FFMpeg/FFMpeg.cs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/FFMpegCore/FFMpeg/FFMpeg.cs b/FFMpegCore/FFMpeg/FFMpeg.cs
index a2d08e9..0cd0576 100644
--- a/FFMpegCore/FFMpeg/FFMpeg.cs
+++ b/FFMpegCore/FFMpeg/FFMpeg.cs
@@ -79,7 +79,7 @@ public static class FFMpeg
         public static bool Snapshot(string input, string output, Size? size = null, TimeSpan? captureTime = null, int? streamIndex = null, int inputFileIndex = 0)
         {
             if (Path.GetExtension(output) != FileExtension.Png)
-                output = Path.GetFileNameWithoutExtension(output) + FileExtension.Png;
+                output = Path.Combine(Path.GetDirectoryName(output), Path.GetFileNameWithoutExtension(output) + FileExtension.Png);
 
             var source = FFProbe.Analyse(input);
             var (arguments, outputOptions) = SnapshotArgumentBuilder.BuildSnapshotArguments(input, source, size, captureTime, streamIndex, inputFileIndex);
@@ -101,7 +101,7 @@ public static bool Snapshot(string input, string output, Size? size = null, Time
         public static async Task<bool> SnapshotAsync(string input, string output, Size? size = null, TimeSpan? captureTime = null, int? streamIndex = null, int inputFileIndex = 0)
         {
             if (Path.GetExtension(output) != FileExtension.Png)
-                output = Path.GetFileNameWithoutExtension(output) + FileExtension.Png;
+                output = Path.Combine(Path.GetDirectoryName(output), Path.GetFileNameWithoutExtension(output) + FileExtension.Png);
 
             var source = await FFProbe.AnalyseAsync(input).ConfigureAwait(false);
             var (arguments, outputOptions) = SnapshotArgumentBuilder.BuildSnapshotArguments(input, source, size, captureTime, streamIndex, inputFileIndex);