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/*
Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
This program 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,
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.
*/
#include <sstream>
#include "compose.hpp"
#include "stream.h"
#include "ffmpeg_decoder.h"
#include "external_audio_decoder.h"
#include "i18n.h"
using std::string;
using std::stringstream;
using boost::shared_ptr;
using boost::optional;
/** Construct a SubtitleStream from a value returned from to_string().
* @param t String returned from to_string().
* @param v State file version.
*/
SubtitleStream::SubtitleStream (string t, boost::optional<int>)
{
stringstream n (t);
n >> _id;
size_t const s = t.find (' ');
if (s != string::npos) {
_name = t.substr (s + 1);
}
}
/** @return A canonical string representation of this stream */
string
SubtitleStream::to_string () const
{
return String::compose (N_("%1 %2"), _id, _name);
}
/** Create a SubtitleStream from a value returned from to_string().
* @param t String returned from to_string().
* @param v State file version.
*/
shared_ptr<SubtitleStream>
SubtitleStream::create (string t, optional<int> v)
{
return shared_ptr<SubtitleStream> (new SubtitleStream (t, v));
}
/** Create an AudioStream from a string returned from to_string().
* @param t String returned from to_string().
* @param v State file version.
* @return AudioStream, or 0.
*/
shared_ptr<AudioStream>
audio_stream_factory (string t, optional<int> v)
{
shared_ptr<AudioStream> s;
s = FFmpegAudioStream::create (t, v);
if (!s) {
s = ExternalAudioStream::create (t, v);
}
return s;
}
/** Create a SubtitleStream from a string returned from to_string().
* @param t String returned from to_string().
* @param v State file version.
* @return SubtitleStream, or 0.
*/
shared_ptr<SubtitleStream>
subtitle_stream_factory (string t, optional<int> v)
{
return SubtitleStream::create (t, v);
}
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