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fix: export video scans error

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This commit is contained in:
Tsanie Lily 2020-05-19 15:41:31 +08:00
parent 22536ea395
commit ced3a33034
2 changed files with 28 additions and 3 deletions
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4
Pixiview/Illust/ViewIllustPage.xaml.cs
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@ -743,9 +743,13 @@ namespace Pixiview.Illust
var success = await Task.Run(ugoira.ExportVideo); // ugoira.ExportGif
if (success != null)
{
#if DEBUG
msg = ResourceHelper.ExportSuccess;
#else
var result = await FileStore.SaveVideoToGalleryAsync(success);
msg = result ?? ResourceHelper.ExportSuccess;
#endif
}
}

27
Pixiview/Utils/Ugoira.cs
View File

@ -443,6 +443,9 @@ namespace Pixiview.Utils
{
videoWriter.StartSessionAtSourceTime(CMTime.Zero);
var lastTime = CMTime.Zero;
#if DEBUG
bool log = false;
#endif
for (int i = 0; i < images.Length; i++)
{
while (true)
@ -465,6 +468,24 @@ namespace Pixiview.Utils
var cgImage = images[i].CGImage;
var width = cgImage.Width;
var height = cgImage.Height;
var bitsPerComponent = cgImage.BitsPerComponent;
var bytesPerRow = cgImage.BytesPerRow;
var bytes = bytesPerRow >> 6 << 6;
if (bytes < bytesPerRow)
{
bytes += 64;
}
#if DEBUG
if (!log)
{
log = true;
App.DebugPrint($"animation, width: {width}, height: {height}, type: {cgImage.UTType}\n" +
$"bitmapInfo: {cgImage.BitmapInfo}\n" +
$"bpc: {bitsPerComponent}\n" +
$"bpp: {cgImage.BitsPerPixel}\n" +
$"calculated: {bytesPerRow} => {bytes}");
}
#endif
//var scan = cgImage.BytesPerRow;
//var mod = scan % 16;
//if (mod > 0)
@ -474,8 +495,8 @@ namespace Pixiview.Utils
//}
using (CGBitmapContext bitmapContext = new CGBitmapContext(
pxdata, width, height,
cgImage.BitsPerComponent,
4 * (width + width % 4),
bitsPerComponent,
bytes,
rgbColorSpace,
CGImageAlphaInfo.NoneSkipFirst))
{
@ -503,7 +524,7 @@ namespace Pixiview.Utils
lastTime = CMTime.Add(lastTime, frameTime);
break;
}
Thread.Sleep(16);
Thread.Sleep(32);
}
}
writerInput.MarkAsFinished();