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fix image extraction

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This commit is contained in:
nyanmisaka 2020-11-28 20:55:09 +08:00
parent f1b3811ca7
commit d19edefbcd
1 changed files with 10 additions and 4 deletions
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14
MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs
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@ -553,12 +553,18 @@ 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);
// 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 thumbnail = enableThumbnail ? ",thumbnail=24" : string.Empty;
var enableThumbnail = useIFrame && !new List<string> { "wtv" }.Contains(container ?? string.Empty, StringComparer.OrdinalIgnoreCase);
if (string.IsNullOrEmpty(vf))
{
vf = enableThumbnail ? "-vf thumbnail=24" : string.Empty;
}
else
{
vf += enableThumbnail ? ",thumbnail=24" : string.Empty;
}
var args = useIFrame ? string.Format(CultureInfo.InvariantCulture, "-i {0}{3} -threads {5} -v quiet -vframes 1 {2}{4} -f image2 \"{1}\"", inputPath, tempExtractPath, vf, mapArg, thumbnail, threads) :
string.Format(CultureInfo.InvariantCulture, "-i {0}{3} -threads {4} -v quiet -vframes 1 {2} -f image2 \"{1}\"", inputPath, tempExtractPath, vf, mapArg, threads);
var args = string.Format(CultureInfo.InvariantCulture, "-i {0}{3} -threads {4} -v quiet -vframes 1 {2} -f image2 \"{1}\"", inputPath, tempExtractPath, vf, mapArg, threads);
var probeSizeArgument = EncodingHelper.GetProbeSizeArgument(1);
var analyzeDurationArgument = EncodingHelper.GetAnalyzeDurationArgument(1);