Trying to create export audio encoders with between 9 and 15 channels

[dcpomatic.git] / src / lib / video_filter_graph.cc

diff --git a/src/lib/video_filter_graph.cc b/src/lib/video_filter_graph.cc
index 306a17a5d84a33d891c3c8be465edf828521d921..9b297c87bf63549e6736b1134e168c650bd1c026 100644 (file)
--- a/src/lib/video_filter_graph.cc
+++ b/src/lib/video_filter_graph.cc
@@ -1,25 +1,27 @@
 /*
-    Copyright (C) 2012-2015 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2012-2018 Carl Hetherington <cth@carlh.net>
 
-    This program is free software; you can redistribute it and/or modify
+    This file is part of DCP-o-matic.
+
+    DCP-o-matic is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation; either version 2 of the License, or
     (at your option) any later version.
 
-    This program is distributed in the hope that it will be useful,
+    DCP-o-matic is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+    along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
 
 */
 
-#include "video_filter_graph.h"
-#include "image.h"
 #include "compose.hpp"
+#include "image.h"
+#include "video_filter_graph.h"
+#include "warnings.h"
 extern "C" {
 #include <libavfilter/buffersrc.h>
 #include <libavfilter/buffersink.h>
@@ -34,9 +36,10 @@ 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)
 {
 
 }
@@ -49,6 +52,7 @@ VideoFilterGraph::process (AVFrame* frame)
 {
        list<pair<shared_ptr<Image>, int64_t> > images;
 
+DCPOMATIC_DISABLE_WARNINGS
        if (_copy) {
                images.push_back (make_pair (shared_ptr<Image> (new Image (frame)), av_frame_get_best_effort_timestamp (frame)));
        } else {
@@ -66,6 +70,7 @@ VideoFilterGraph::process (AVFrame* frame)
                        av_frame_unref (_frame);
                }
        }
+DCPOMATIC_ENABLE_WARNINGS
 
        return images;
 }
@@ -83,17 +88,18 @@ VideoFilterGraph::can_process (dcp::Size s, AVPixelFormat p) const
 string
 VideoFilterGraph::src_parameters () const
 {
-       SafeStringStream 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;
 }
 
-AVBufferSinkParams *
+void *
 VideoFilterGraph::sink_parameters () const
 {
        AVBufferSinkParams* sink_params = av_buffersink_params_alloc ();
@@ -103,3 +109,15 @@ VideoFilterGraph::sink_parameters () const
        sink_params->pixel_fmts = pixel_fmts;
        return sink_params;
 }
+
+string
+VideoFilterGraph::src_name () const
+{
+       return "buffer";
+}
+
+string
+VideoFilterGraph::sink_name () const
+{
+       return "buffersink";
+}