Added x265 to FFmpeg video codec list

ShareX.ScreenCaptureLib/Enums.cs

@@ -69,7 +69,9 @@ public enum FFmpegVideoCodec
         [Description("VP8 (WebM)")]
         libvpx,
         [Description("Xvid")]
-        libxvid
+        libxvid,
+        [Description("x265")]
+        libx265
     }
 
     public enum FFmpegPreset

ShareX.ScreenCaptureLib/Screencast/FFmpegOptionsForm.cs

@@ -178,6 +178,7 @@ private void cboVideoCodec_SelectedIndexChanged(object sender, EventArgs e)
                 switch (Options.FFmpeg.VideoCodec)
                 {
                     case FFmpegVideoCodec.libx264:
+                    case FFmpegVideoCodec.libx265:
                         txtExtension.Text = "mp4";
                         break;
                     case FFmpegVideoCodec.libvpx:

ShareX.ScreenCaptureLib/Screencast/FFmpegOptionsForm.resx

@@ -246,8 +246,7 @@ If the output looks good, then try a higher value and if it looks bad then choos
     <value>3</value>
   </data>
   <data name="cbPreset.ToolTip" xml:space="preserve">
-    <value>The default preset is "Medium".
-A preset is a collection of options that will provide a certain encoding speed to compression ratio. A slower preset will provide better compression (compression is quality per filesize).
+    <value>A preset is a collection of options that will provide a certain encoding speed to compression ratio. A slower preset will provide better compression (compression is quality per filesize).
 This means that, for example, if you target a certain file size or constant bit rate, you will achieve better quality with a slower preset.
 Similarly, for constant quality encoding, you will simply save bitrate by choosing a slower preset.</value>
   </data>
@@ -714,7 +713,7 @@ Similarly, for constant quality encoding, you will simply save bitrate by choosi
     <value>1</value>
   </data>
   <data name="tpX264.Text" xml:space="preserve">
-    <value>x264</value>
+    <value>x264 / x265</value>
   <comment>@Invariant</comment></data>
   <data name="&gt;&gt;tpX264.Name" xml:space="preserve">
     <value>tpX264</value>

ShareX.ScreenCaptureLib/Screencast/ScreencastOptions.cs

@@ -144,6 +144,7 @@ public string GetFFmpegArgs(bool isCustom = false)
                 switch (FFmpeg.VideoCodec)
                 {
                     case FFmpegVideoCodec.libx264: // https://trac.ffmpeg.org/wiki/Encode/H.264
+                    case FFmpegVideoCodec.libx265: // https://trac.ffmpeg.org/wiki/Encode/H.265
                         args.AppendFormat("-crf {0} ", FFmpeg.x264_CRF);
                         args.AppendFormat("-preset {0} ", FFmpeg.x264_Preset);
                         args.AppendFormat("-tune {0} ", "zerolatency");