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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.
*/
/** @file src/decoder_factory.cc
* @brief A method to create an appropriate decoder for some content.
*/
#include <boost/filesystem.hpp>
#include "ffmpeg_decoder.h"
#include "imagemagick_decoder.h"
#include "film.h"
#include "external_audio_decoder.h"
#include "decoder_factory.h"
using std::string;
using std::pair;
using std::make_pair;
using boost::shared_ptr;
using boost::dynamic_pointer_cast;
Decoders
decoder_factory (
shared_ptr<Film> f, DecodeOptions o
)
{
if (f->content().empty()) {
return Decoders ();
}
if (boost::filesystem::is_directory (f->content_path()) || f->content_type() == STILL) {
/* A single image file, or a directory of them */
return Decoders (
shared_ptr<VideoDecoder> (new ImageMagickDecoder (f, o)),
shared_ptr<AudioDecoder> (new ExternalAudioDecoder (f, o))
);
}
shared_ptr<FFmpegDecoder> fd (new FFmpegDecoder (f, o));
if (f->use_content_audio()) {
return Decoders (fd, fd);
}
return Decoders (fd, shared_ptr<AudioDecoder> (new ExternalAudioDecoder (f, o)));
}
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