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Merge pull request #761 from tikuf/master

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Stop judder in webm from high bitrate source files
This commit is contained in:
Luke 2014-04-02 13:57:44 -04:00
parent 6fe7264f78 fcff9a6df5
commit dcf2e70f03
1 changed files with 5 additions and 5 deletions
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10
MediaBrowser.Api/Playback/BaseStreamingService.cs
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@ -294,7 +294,7 @@ namespace MediaBrowser.Api.Playback
{
if (isWebm)
{
return Math.Max(Environment.ProcessorCount - 1, 1);
return Math.Max(Environment.ProcessorCount - 1, 2);
}
return 0;
@ -309,9 +309,9 @@ namespace MediaBrowser.Api.Playback
case EncodingQuality.HighSpeed:
return 2;
case EncodingQuality.HighQuality:
return isWebm ? Math.Max(Environment.ProcessorCount - 1, 1) : 0;
return isWebm ? Math.Max(Environment.ProcessorCount - 1, 2) : 0;
case EncodingQuality.MaxQuality:
return isWebm ? Math.Max(Environment.ProcessorCount - 1, 1) : 0;
return isWebm ? Math.Max(Environment.ProcessorCount - 1, 2) : 0;
default:
throw new Exception("Unrecognized MediaEncodingQuality value.");
}
@ -1005,8 +1005,8 @@ namespace MediaBrowser.Api.Playback
}
// With vpx when crf is used, b:v becomes a max rate
// https://trac.ffmpeg.org/wiki/vpxEncodingGuide
return string.Format(" -b:v {0}", bitrate.Value.ToString(UsCulture));
// https://trac.ffmpeg.org/wiki/vpxEncodingGuide. But higher bitrate source files -b:v causes judder so limite the bitrate but dont allow it to "saturate" the bitrate. So dont contrain it down just up.
return string.Format(" -maxrate:v {0} -bufsize:v ({0}*2) -b:v {0}", bitrate.Value.ToString(UsCulture));
}
if (string.Equals(videoCodec, "msmpeg4", StringComparison.OrdinalIgnoreCase))