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Helpers to download animated photos (DownloadFileAsync + photo.LargestVideoSize)

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Wizou 2025-06-29 16:42:27 +02:00
parent 25990a8477
commit fa90e236e7
2 changed files with 14 additions and 1 deletions
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12
src/Client.Helpers.cs
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@ -334,6 +334,18 @@ namespace WTelegram
return await DownloadFileAsync(fileLocation, outputStream, photo.dc_id, photoSize.FileSize, progress); return await DownloadFileAsync(fileLocation, outputStream, photo.dc_id, photoSize.FileSize, progress);
} }
/// <summary>Download an animated photo from Telegram into the outputStream</summary>
/// <param name="photo">The photo to download</param>
/// <param name="outputStream">Stream to write the file content to. This method does not close/dispose the stream</param>
/// <param name="videoSize">A specific size/version of the animated photo. Use <c>photo.LargestVideoSize</c> to download the largest version of the animated photo</param>
/// <param name="progress">(optional) Callback for tracking the progression of the transfer</param>
/// <returns>The file type of the photo</returns>
public async Task<Storage_FileType> DownloadFileAsync(Photo photo, Stream outputStream, VideoSize videoSize, ProgressCallback progress = null)
{
var fileLocation = photo.ToFileLocation(videoSize);
return await DownloadFileAsync(fileLocation, outputStream, photo.dc_id, videoSize.size, progress);
}
/// <summary>Download a document from Telegram into the outputStream</summary> /// <summary>Download a document from Telegram into the outputStream</summary>
/// <param name="document">The document to download</param> /// <param name="document">The document to download</param>
/// <param name="outputStream">Stream to write the file content to. This method does not close/dispose the stream</param> /// <param name="outputStream">Stream to write the file content to. This method does not close/dispose the stream</param>

3
src/TL.Xtended.cs
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@ -348,8 +348,9 @@ namespace TL
protected override InputPhoto ToInputPhoto() => new() { id = id, access_hash = access_hash, file_reference = file_reference }; protected override InputPhoto ToInputPhoto() => new() { id = id, access_hash = access_hash, file_reference = file_reference };
public InputPhotoFileLocation ToFileLocation() => ToFileLocation(LargestPhotoSize); public InputPhotoFileLocation ToFileLocation() => ToFileLocation(LargestPhotoSize);
public InputPhotoFileLocation ToFileLocation(PhotoSizeBase photoSize) => new() { id = id, access_hash = access_hash, file_reference = file_reference, thumb_size = photoSize.Type }; public InputPhotoFileLocation ToFileLocation(PhotoSizeBase photoSize) => new() { id = id, access_hash = access_hash, file_reference = file_reference, thumb_size = photoSize.Type };
public InputDocumentFileLocation ToFileLocation(VideoSize videoSize) => new() { id = id, access_hash = access_hash, file_reference = file_reference, thumb_size = videoSize.type }; public InputPhotoFileLocation ToFileLocation(VideoSize videoSize) => new() { id = id, access_hash = access_hash, file_reference = file_reference, thumb_size = videoSize.type };
public PhotoSizeBase LargestPhotoSize => sizes.Aggregate((agg, next) => (long)next.Width * next.Height > (long)agg.Width * agg.Height ? next : agg); public PhotoSizeBase LargestPhotoSize => sizes.Aggregate((agg, next) => (long)next.Width * next.Height > (long)agg.Width * agg.Height ? next : agg);
public VideoSize LargestVideoSize => video_sizes?.OfType<VideoSize>().DefaultIfEmpty().Aggregate((agg, next) => (long)next.w * next.h > (long)agg.w * agg.h ? next : agg);
} }
partial class PhotoSizeBase partial class PhotoSizeBase