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@@ -4539,6 +4539,10 @@ the position in the file if known or -1 and the timestamp in seconds. |
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In order to display the output lines, you need to set the loglevel at |
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least to the AV_LOG_INFO value. |
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This filter exports frame metadata @code{lavfi.blackframe.pblack}. |
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The value represents the percentage of pixels in the picture that |
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are below the threshold value. |
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It accepts the following parameters: |
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@table @option |
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