X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fffmpeg_examiner.cc;h=0a236d836be46b4f5baacdee175201e154de6cab;hb=0330b684fe616b465e65b67f7d995e659fa83fca;hp=853db90be3e3ef1ec36cc834a51f0ff6754468e9;hpb=4e2ff7851127cd85c3e7d78b42eb884d0cda0ac3;p=dcpomatic.git

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 };
+}
+