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/*
Copyright (C) 2013-2015 Carl Hetherington <cth@carlh.net>
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.
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 DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
#include "ffmpeg_stream.h"
#include "dcpomatic_assert.h"
#include <dcp/raw_convert.h>
#include <dcp/warnings.h>
LIBDCP_DISABLE_WARNINGS
#include <libxml++/libxml++.h>
extern "C" {
#include <libavformat/avformat.h>
}
LIBDCP_ENABLE_WARNINGS
using std::string;
using dcp::raw_convert;
FFmpegStream::FFmpegStream (cxml::ConstNodePtr node)
: name (node->string_child ("Name"))
, _id (node->number_child<int> ("Id"))
{
}
void
FFmpegStream::as_xml(xmlpp::Element* root) const
{
cxml::add_text_child(root, "Name", name);
cxml::add_text_child(root, "Id", raw_convert<string>(_id));
}
bool
FFmpegStream::uses_index (AVFormatContext const * fc, int index) const
{
return fc->streams[index]->id == _id;
}
AVStream *
FFmpegStream::stream (AVFormatContext const * fc) const
{
size_t i = 0;
while (i < fc->nb_streams) {
if (fc->streams[i]->id == _id) {
return fc->streams[i];
}
++i;
}
DCPOMATIC_ASSERT (false);
return 0;
}
int
FFmpegStream::index (AVFormatContext const * fc) const
{
size_t i = 0;
while (i < fc->nb_streams) {
if (fc->streams[i]->id == _id) {
return i;
}
++i;
}
DCPOMATIC_ASSERT (false);
return 0;
}
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