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Re-add content length, semi revert of changes in #1010 (#1287)

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* Re-add content length, semi revert of changes in #1010
This commit is contained in:
Claus Vium
2019-04-24 14:06:54 +02:00
committed by Bond-009
parent 696a36b4a5
commit 28c2ac528d
9 changed files with 113 additions and 59 deletions
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53
MediaBrowser.Api/Playback/Progressive/BaseProgressiveStreamingService.cs
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@@ -1,5 +1,6 @@
using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Threading;
using System.Threading.Tasks;
@@ -13,6 +14,7 @@ using MediaBrowser.Controller.Net;
using MediaBrowser.Model.IO;
using MediaBrowser.Model.MediaInfo;
using MediaBrowser.Model.Serialization;
using MediaBrowser.Model.Services;
using Microsoft.Net.Http.Headers;
namespace MediaBrowser.Api.Playback.Progressive
@@ -279,10 +281,9 @@ namespace MediaBrowser.Api.Playback.Progressive
/// <returns>Task{System.Object}.</returns>
private async Task<object> GetStaticRemoteStreamResult(StreamState state, Dictionary<string, string> responseHeaders, bool isHeadRequest, CancellationTokenSource cancellationTokenSource)
{
string useragent = null;
state.RemoteHttpHeaders.TryGetValue("User-Agent", out useragent);
state.RemoteHttpHeaders.TryGetValue(HeaderNames.UserAgent, out var useragent);
var trySupportSeek = false;
const bool trySupportSeek = false;
var options = new HttpRequestOptions
{
@@ -317,6 +318,12 @@ namespace MediaBrowser.Api.Playback.Progressive
responseHeaders[HeaderNames.AcceptRanges] = "none";
}
// Seeing cases of -1 here
if (response.ContentLength.HasValue && response.ContentLength.Value >= 0)
{
responseHeaders[HeaderNames.ContentLength] = response.ContentLength.Value.ToString(CultureInfo.InvariantCulture);
}
if (isHeadRequest)
{
using (response)
@@ -356,10 +363,31 @@ namespace MediaBrowser.Api.Playback.Progressive
var contentType = state.GetMimeType(outputPath);
// TODO: The isHeadRequest is only here because ServiceStack will add Content-Length=0 to the response
var contentLength = state.EstimateContentLength || isHeadRequest ? GetEstimatedContentLength(state) : null;
if (contentLength.HasValue)
{
responseHeaders[HeaderNames.ContentLength] = contentLength.Value.ToString(CultureInfo.InvariantCulture);
}
// Headers only
if (isHeadRequest)
{
return ResultFactory.GetResult(null, Array.Empty<byte>(), contentType, responseHeaders);
var streamResult = ResultFactory.GetResult(null, Array.Empty<byte>(), contentType, responseHeaders);
if (streamResult is IHasHeaders hasHeaders)
{
if (contentLength.HasValue)
{
hasHeaders.Headers[HeaderNames.ContentLength] = contentLength.Value.ToString(CultureInfo.InvariantCulture);
}
else
{
hasHeaders.Headers.Remove(HeaderNames.ContentLength);
}
}
return streamResult;
}
var transcodingLock = ApiEntryPoint.Instance.GetTranscodingLock(outputPath);
@@ -397,5 +425,22 @@ namespace MediaBrowser.Api.Playback.Progressive
transcodingLock.Release();
}
}
/// <summary>
/// Gets the length of the estimated content.
/// </summary>
/// <param name="state">The state.</param>
/// <returns>System.Nullable{System.Int64}.</returns>
private long? GetEstimatedContentLength(StreamState state)
{
var totalBitrate = state.TotalOutputBitrate ?? 0;
if (totalBitrate > 0 && state.RunTimeTicks.HasValue)
{
return Convert.ToInt64(totalBitrate * TimeSpan.FromTicks(state.RunTimeTicks.Value).TotalSeconds / 8);
}
return null;
}
}
}