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Fixes to video thumb generation
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Amatsugu
2025-07-09 20:06:59 -04:00
parent cd30876beb
commit d88cfa2cd3
1 changed files with 26 additions and 16 deletions
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26
AobaCore/Services/ThumbnailService.cs
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@@ -121,26 +121,36 @@ public class ThumbnailService(IMongoDatabase db, AobaService aobaService)
public Maybe<Stream> GenerateVideoThumbnail(Stream data, ThumbnailSize size, CancellationToken cancellationToken = default) public Maybe<Stream> GenerateVideoThumbnail(Stream data, ThumbnailSize size, CancellationToken cancellationToken = default)
{ {
var w = (int)size; var w = (int)size;
var source = new MemoryStream(); var fn = ObjectId.GenerateNewId().ToString();
var filePath = $"/tmp/{fn}.in";
using var source = new FileStream(filePath, FileMode.CreateNew);
data.CopyTo(source); data.CopyTo(source);
source.Position = 0; source.Flush();
source.Dispose();
data.Dispose();
try
{
var output = new MemoryStream(); var output = new MemoryStream();
FFMpegArguments.FromPipeInput(new StreamPipeSource(source), opt => FFMpegArguments.FromFileInput(filePath, false, opt =>
{ {
opt.WithCustomArgument("-t 5"); opt.WithCustomArgument("-t 5");
}).OutputToPipe(new StreamPipeSink(output), opt => }).OutputToPipe(new StreamPipeSink(output), opt =>
{ {
opt.WithCustomArgument($"-vf \"crop='min(in_w,in_h)':'min(in_w,in_h)',scale={w}:{w}\" -loop 0 -r 15") opt.WithCustomArgument($"-vf \"crop='min(in_w,in_h)':'min(in_w,in_h)',scale={w}:{w}\" -loop 0 -r 15")
.ForceFormat("webp"); .ForceFormat("webp");
}).Configure(cfg =>
{
#if !DEBUG
cfg.BinaryFolder = "/usr/bin";
#endif
}).ProcessSynchronously(); }).ProcessSynchronously();
output.Position = 0; output.Position = 0;
return output; return output;
} }
catch(Exception ex)
{
return ex;
}
finally
{
File.Delete(filePath);
}
}
public async Task<Maybe<Stream>> GenerateDocumentThumbnailAsync(Stream data, ThumbnailSize size, CancellationToken cancellationToken = default) public async Task<Maybe<Stream>> GenerateDocumentThumbnailAsync(Stream data, ThumbnailSize size, CancellationToken cancellationToken = default)
{ {