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win-dshow: Fix upside-down RGB DIBs

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Fix regression to RGB DIB orientation according to MSDN.
This commit is contained in:
jpark37
2020-01-13 21:50:54 -08:00
parent 1b3525e66a
commit 9eeef48b5a
1 changed files with 7 additions and 2 deletions
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9
plugins/win-dshow/win-dshow.cpp
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@@ -539,8 +539,13 @@ void DShowInput::OnVideoData(const VideoConfig &config, unsigned char *data,
frame.format = ConvertVideoFormat(config.format);
frame.flip = flip;
if (config.cy_flip)
frame.flip = !frame.flip;
/* YUV DIBS are always top-down */
if (config.format == VideoFormat::XRGB ||
config.format == VideoFormat::ARGB) {
/* RGB DIBs are bottom-up by default */
if (!config.cy_flip)
frame.flip = !frame.flip;
}
if (videoConfig.format == VideoFormat::XRGB ||
videoConfig.format == VideoFormat::ARGB) {