/*
Copyright (C) 2015 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/>.
*/
extern "C" {
#include <libavfilter/buffersink.h>
#include <libavfilter/buffersrc.h>
+#include <libavutil/channel_layout.h>
}
#include "i18n.h"
using std::string;
-using std::cout;
using boost::shared_ptr;
AudioFilterGraph::AudioFilterGraph (int sample_rate, int channels)
string
AudioFilterGraph::src_parameters () const
{
- SafeStringStream a;
-
- char buffer[64];
- av_get_channel_layout_string (buffer, sizeof(buffer), 0, _channel_layout);
+ char layout[64];
+ av_get_channel_layout_string (layout, sizeof(layout), 0, _channel_layout);
- a << "time_base=1/1:sample_rate=" << _sample_rate << ":"
- << "sample_fmt=" << av_get_sample_fmt_name(AV_SAMPLE_FMT_FLTP) << ":"
- << "channel_layout=" << buffer;
+ char buffer[256];
+ snprintf (
+ buffer, sizeof(buffer), "time_base=1/1:sample_rate=%d:sample_fmt=%s:channel_layout=%s",
+ _sample_rate, av_get_sample_fmt_name(AV_SAMPLE_FMT_FLTP), layout
+ );
- return a.str ();
+ return buffer;
}
void *
if (r < 0) {
char buffer[256];
av_strerror (r, buffer, sizeof(buffer));
- throw DecodeError (String::compose (N_("could not push buffer into filter chain (%1)"), buffer));
+ throw DecodeError (String::compose (N_("could not push buffer into filter chain (%1)"), &buffer[0]));
}
while (true) {