/*
- 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>
using std::vector;
using std::string;
using std::make_pair;
-using boost::shared_ptr;
+using std::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)
{
}
{
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 {
av_frame_unref (_frame);
}
}
+DCPOMATIC_ENABLE_WARNINGS
return images;
}
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 ();
sink_params->pixel_fmts = pixel_fmts;
return sink_params;
}
+
+string
+VideoFilterGraph::src_name () const
+{
+ return "buffer";
+}
+
+string
+VideoFilterGraph::sink_name () const
+{
+ return "buffersink";
+}