From c2a17a87868eba87072fc369102b2b3cd8905e5a Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Sun, 3 Oct 2021 02:02:12 +0200
Subject: Add PixelQuanta to VideoContent.

---
 src/lib/ffmpeg_examiner.cc | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'src/lib/ffmpeg_examiner.cc')

diff --git a/src/lib/ffmpeg_examiner.cc b/src/lib/ffmpeg_examiner.cc
index 853db90be..0a236d836 100644
--- a/src/lib/ffmpeg_examiner.cc
+++ b/src/lib/ffmpeg_examiner.cc
@@ -480,3 +480,12 @@ FFmpegExaminer::range () const
 		return VideoRange::FULL;
 	}
 }
+
+
+PixelQuanta
+FFmpegExaminer::pixel_quanta () const
+{
+	auto const desc = av_pix_fmt_desc_get(video_codec_context()->pix_fmt);
+	return { 1 << desc->log2_chroma_w, 1 << desc->log2_chroma_h };
+}
+
-- 
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