X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fvideo_filter_graph.cc;h=6075500e9d9148f5af103e9f56f6034dbdc3ab58;hb=e9cca90a162e3e4b1db4a5e5188831beaa69d44e;hp=3549e0947a22412794a7a91e1725e31ae64bc0b6;hpb=422be0eece2bf6ee80db1d3c21553cd82efff789;p=dcpomatic.git

diff --git a/src/lib/video_filter_graph.cc b/src/lib/video_filter_graph.cc
index 3549e0947..6075500e9 100644
--- a/src/lib/video_filter_graph.cc
+++ b/src/lib/video_filter_graph.cc
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2012-2015 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2012-2018 Carl Hetherington <cth@carlh.net>
 
     This file is part of DCP-o-matic.
 
@@ -35,9 +35,10 @@ using std::string;
 using std::make_pair;
 using boost::shared_ptr;
 
-VideoFilterGraph::VideoFilterGraph (dcp::Size s, AVPixelFormat p)
+VideoFilterGraph::VideoFilterGraph (dcp::Size s, AVPixelFormat p, dcp::Fraction r)
 	: _size (s)
 	, _pixel_format (p)
+	, _frame_rate (r)
 {
 
 }
@@ -84,14 +85,15 @@ VideoFilterGraph::can_process (dcp::Size s, AVPixelFormat p) const
 string
 VideoFilterGraph::src_parameters () const
 {
-	locked_stringstream a;
-
-	a << "video_size=" << _size.width << "x" << _size.height << ":"
-	  << "pix_fmt=" << _pixel_format << ":"
-	  << "time_base=1/1:"
-	  << "pixel_aspect=1/1";
-
-	return a.str ();
+	char buffer[256];
+	snprintf (
+		buffer, sizeof(buffer),
+		"video_size=%dx%d:pix_fmt=%d:frame_rate=%d/%d:time_base=1/1:pixel_aspect=1/1",
+		_size.width, _size.height,
+		_pixel_format,
+		_frame_rate.numerator, _frame_rate.denominator
+		);
+	return buffer;
 }
 
 void *