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PrepareSnapshotSize error : ratio=source.PrimaryVideoStream.Width / 0

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ratio=source.PrimaryVideoStream.Height / 0
This commit is contained in:
jianxingwu 2020-05-15 16:58:56 +08:00
parent 59ca76cdfa
commit 74593461d4
1 changed files with 2 additions and 2 deletions
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4
FFMpegCore/FFMpeg/FFMpeg.cs
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@ -76,7 +76,7 @@ public static Bitmap Snapshot(MediaAnalysis source, Size? size = null, TimeSpan?
{ {
if (size.Value.Width == 0) if (size.Value.Width == 0)
{ {
var ratio = source.PrimaryVideoStream.Width / (double) size.Value.Width; var ratio = source.PrimaryVideoStream.Height / (double) size.Value.Height;
size = new Size((int) (source.PrimaryVideoStream.Width * ratio), size = new Size((int) (source.PrimaryVideoStream.Width * ratio),
(int) (source.PrimaryVideoStream.Height * ratio)); (int) (source.PrimaryVideoStream.Height * ratio));
@ -84,7 +84,7 @@ public static Bitmap Snapshot(MediaAnalysis source, Size? size = null, TimeSpan?
if (size.Value.Height == 0) if (size.Value.Height == 0)
{ {
var ratio = source.PrimaryVideoStream.Height / (double) size.Value.Height; var ratio = source.PrimaryVideoStream.Width / (double) size.Value.Width;
size = new Size((int) (source.PrimaryVideoStream.Width * ratio), size = new Size((int) (source.PrimaryVideoStream.Width * ratio),
(int) (source.PrimaryVideoStream.Height * ratio)); (int) (source.PrimaryVideoStream.Height * ratio));