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Reduce string allocations

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Some simple changes to reduce the number of allocated strings
This commit is contained in:
Bond_009
2023-10-06 00:40:09 +02:00
parent 40f7eb4e8c
commit b176beb88e
21 changed files with 63 additions and 97 deletions
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18
MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs
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@@ -548,25 +548,25 @@ namespace MediaBrowser.Controller.MediaEncoding
/// <returns>System.Nullable{VideoCodecs}.</returns>
public string InferVideoCodec(string url)
{
var ext = Path.GetExtension(url);
var ext = Path.GetExtension(url.AsSpan());
if (string.Equals(ext, ".asf", StringComparison.OrdinalIgnoreCase))
if (ext.Equals(".asf", StringComparison.OrdinalIgnoreCase))
{
return "wmv";
}
if (string.Equals(ext, ".webm", StringComparison.OrdinalIgnoreCase))
if (ext.Equals(".webm", StringComparison.OrdinalIgnoreCase))
{
// TODO: this may not always mean VP8, as the codec ages
return "vp8";
}
if (string.Equals(ext, ".ogg", StringComparison.OrdinalIgnoreCase) || string.Equals(ext, ".ogv", StringComparison.OrdinalIgnoreCase))
if (ext.Equals(".ogg", StringComparison.OrdinalIgnoreCase) || ext.Equals(".ogv", StringComparison.OrdinalIgnoreCase))
{
return "theora";
}
if (string.Equals(ext, ".m3u8", StringComparison.OrdinalIgnoreCase) || string.Equals(ext, ".ts", StringComparison.OrdinalIgnoreCase))
if (ext.Equals(".m3u8", StringComparison.OrdinalIgnoreCase) || ext.Equals(".ts", StringComparison.OrdinalIgnoreCase))
{
return "h264";
}
@@ -1080,10 +1080,10 @@ namespace MediaBrowser.Controller.MediaEncoding
&& state.SubtitleStream.IsExternal)
{
var subtitlePath = state.SubtitleStream.Path;
var subtitleExtension = Path.GetExtension(subtitlePath);
var subtitleExtension = Path.GetExtension(subtitlePath.AsSpan());
if (string.Equals(subtitleExtension, ".sub", StringComparison.OrdinalIgnoreCase)
|| string.Equals(subtitleExtension, ".sup", StringComparison.OrdinalIgnoreCase))
if (subtitleExtension.Equals(".sub", StringComparison.OrdinalIgnoreCase)
|| subtitleExtension.Equals(".sup", StringComparison.OrdinalIgnoreCase))
{
var idxFile = Path.ChangeExtension(subtitlePath, ".idx");
if (File.Exists(idxFile))
@@ -6033,7 +6033,7 @@ namespace MediaBrowser.Controller.MediaEncoding
var format = string.Empty;
var keyFrame = string.Empty;
if (string.Equals(Path.GetExtension(outputPath), ".mp4", StringComparison.OrdinalIgnoreCase)
if (Path.GetExtension(outputPath.AsSpan()).Equals(".mp4", StringComparison.OrdinalIgnoreCase)
&& state.BaseRequest.Context == EncodingContext.Streaming)
{
// Comparison: https://github.com/jansmolders86/mediacenterjs/blob/master/lib/transcoding/desktop.js