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bidzina goginashvili
NA
28
471
Why my blob is broken when I download it?
Sep 3 2020 2:18 PM
So what I am doing is uploading video chunk by chunk with PutBlock. The requester sends me the video divided by 4mb chunks by per request(if the video is 17mb requester will send 5 requests, to upload 4mb chunk). I am using PutBlock method to "append" blob... When I download this video from blob it is broken... But if the requester sends me only 3mb video it is not broken(in 3mb video I mean full video and not splitted by chunks)...
Please help...
public
async Task<CloudBlockBlob> AppendBlobOnAssetAsync(UploadRequest request)
{
using
Stream stream =
new
MemoryStream();
request.File.CopyTo(stream);
stream.Position = 0;
var cloudBlobContainer =
new
CloudBlobContainer(request.InputAssetStorageUri);
var blockBlob = cloudBlobContainer.GetBlockBlobReference(request.BlobName);
var blockItems =
new
List<ListBlockItem>();
var blockItemIds =
new
List<
string
>();
if
(request.BlockId > 0)
{
var blocks = await blockBlob.DownloadBlockListAsync();
blockItems = blocks.ToList();
blockItemIds = blockItems.Select(blockItem => blockItem.Name).ToList();
}
var blockId = Convert.ToBase64String(Encoding.UTF8.GetBytes(request.BlockId.ToString(CultureInfo.InvariantCulture).PadLeft(30,
'0'
))); blockBlob.PutBlock(blockId, stream,
null
); blockItemIds.Add(blockId); blockBlob.PutBlockList(blockItemIds);
return
blockBlob;
}
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