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update thumbnail sampling

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This commit is contained in:
Luke Pulverenti 2016-11-02 13:08:34 -04:00
parent eefab227cc
commit 7cf0f79f85
1 changed files with 1 additions and 1 deletions
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MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs
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@ -915,7 +915,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
var mapArg = imageStreamIndex.HasValue ? (" -map 0:v:" + imageStreamIndex.Value.ToString(CultureInfo.InvariantCulture)) : string.Empty;
var enableThumbnail = !new List<string> { "wtv" }.Contains(container ?? string.Empty, StringComparer.OrdinalIgnoreCase);
var thumbnail = enableThumbnail ? ",thumbnail=30" : string.Empty;
var thumbnail = enableThumbnail ? ",thumbnail=24" : string.Empty;
// Use ffmpeg to sample 100 (we can drop this if required using thumbnail=50 for 50 frames) frames and pick the best thumbnail. Have a fall back just in case.
var args = useIFrame ? string.Format("-i {0}{3} -threads 0 -v quiet -vframes 1 -vf \"{2}{4}\" -f image2 \"{1}\"", inputPath, tempExtractPath, vf, mapArg, thumbnail) :