public async Task <ActionResult> GetStream(string name)
{
ViewBag.Title = "Video Streaming";
List <string> list = await SqlStreamController.GetVideoList();
TableVM model = new TableVM
{
Rows = list,
Headers = new List <string> {
"Nombre", "Acción"
},
CurrentVideo = name
};
return(View("index", model));
}
public async Task <HttpResponseMessage> GetStream(string name)
{
var response = Request.CreateResponse();
response.Headers.AcceptRanges.Add("bytes");
if (String.IsNullOrEmpty(name))
{
return(response);
}
byte[] videobytes;
if (cache[name] == null)
{
videobytes = await SqlStreamController.GetBinaryValue(name);
cache.Set(name, videobytes, DateTime.Now.AddMinutes(30));
}
else
{
videobytes = cache[name] as byte[];
}
if (videobytes == null)
{
return(response);
}
MemoryStream stream = new MemoryStream(videobytes);
RangeHeaderValue currentRangeHeader = Request.Headers.Range;
const int blockSize = 1024 * 512;
const string videoType = "video/mp4";
long totalLength = stream.Length;
var range = currentRangeHeader.Ranges.First();
var start = range.From ?? 0;
var ends = range.To ?? (start + blockSize - 1 > totalLength ? totalLength - 1 : start + blockSize - 1);
RangeHeaderValue rangeHeader = new RangeHeaderValue(start, ends);
response.Content = new ByteRangeStreamContent(stream, rangeHeader, videoType);
response.Content.Headers.ContentLength = ends - start + 1;
response.Content.Headers.ContentRange = new ContentRangeHeaderValue(start, ends, totalLength);
response.Content.Headers.ContentType = new MediaTypeHeaderValue(videoType);
response.StatusCode = HttpStatusCode.PartialContent;
return(response);
}
