Hi, I'm using libavfilter to detect black frame in my video. I followed this example https://ffmpeg.org/doxygen/3.4/filtering_video_8c-example.html , but this example doesn't shows how to print black frame detected duration, instead it prints out video frames. As of now, I have replaced const char *filter_descr <https://ffmpeg.org/doxygen/3.4/filtering__video_8c.html#a84b31b94c024a45c4bcebd875a54e73d> = "scale=78:24,transpose=cclock"; to const char *filter_descr <https://ffmpeg.org/doxygen/3.4/filtering__video_8c.html#a84b31b94c024a45c4bcebd875a54e73d> = "blackdetect=d=2:pix_th=0.00"; in the code.
Thanks & regards, S.Venkateswaran
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