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// Copyright (C) 2010 Dirk Vanden Boer <dirk.vdb@gmail.com>
//
// 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#include "videothumbnailerc.h"
#include "videothumbnailer.h"
#include "filmstripfilter.h"
#include <vector>
#include <iostream>
#include <stdexcept>
using namespace ffmpegthumbnailer;
extern "C" video_thumbnailer* video_thumbnailer_create(void)
{
video_thumbnailer* thumbnailer = new video_thumbnailer_struct();
thumbnailer->thumbnailer = new VideoThumbnailer();
thumbnailer->filter = new FilmStripFilter();
thumbnailer->thumbnail_size = 128;
thumbnailer->seek_percentage = 10;
thumbnailer->seek_time = NULL;
thumbnailer->overlay_film_strip = 0;
thumbnailer->workaround_bugs = 0;
thumbnailer->thumbnail_image_quality = 8;
thumbnailer->thumbnail_image_type = Png;
thumbnailer->maintain_aspect_ratio = 1;
thumbnailer->av_format_context = NULL;
return thumbnailer;
}
extern "C" void video_thumbnailer_destroy(video_thumbnailer* thumbnailer)
{
VideoThumbnailer* videoThumbnailer = reinterpret_cast<VideoThumbnailer*>(thumbnailer->thumbnailer);
delete videoThumbnailer;
FilmStripFilter* filmStripFilter = reinterpret_cast<FilmStripFilter*>(thumbnailer->filter);
delete filmStripFilter;
thumbnailer->thumbnailer = 0;
delete thumbnailer;
}
extern "C" image_data* video_thumbnailer_create_image_data(void)
{
image_data* data = new image_data();
data->image_data_ptr = 0;
data->image_data_size = 0;
data->internal_data = new std::vector<uint8_t>();
return data;
}
extern "C" void video_thumbnailer_destroy_image_data(image_data* data)
{
data->image_data_ptr = 0;
data->image_data_size = 0;
std::vector<uint8_t>* dataVector = reinterpret_cast<std::vector<uint8_t>* >(data->internal_data);
delete dataVector;
data->internal_data = 0;
delete data;
}
void setProperties(video_thumbnailer* thumbnailer)
{
VideoThumbnailer* videoThumbnailer = reinterpret_cast<VideoThumbnailer*>(thumbnailer->thumbnailer);
videoThumbnailer->setThumbnailSize(thumbnailer->thumbnail_size);
videoThumbnailer->setWorkAroundIssues(thumbnailer->workaround_bugs != 0);
videoThumbnailer->setImageQuality(thumbnailer->thumbnail_image_quality);
videoThumbnailer->setMaintainAspectRatio(thumbnailer->maintain_aspect_ratio != 0);
if (thumbnailer->overlay_film_strip)
{
videoThumbnailer->removeFilter(reinterpret_cast<IFilter*>(thumbnailer->filter));
videoThumbnailer->addFilter(reinterpret_cast<IFilter*>(thumbnailer->filter));
}
if (thumbnailer->seek_time != NULL)
{
videoThumbnailer->setSeekTime(thumbnailer->seek_time);
}
else
{
videoThumbnailer->setSeekPercentage(thumbnailer->seek_percentage);
}
}
extern "C" int video_thumbnailer_generate_thumbnail_to_buffer(video_thumbnailer* thumbnailer, const char* movie_filename, image_data* generated_image_data)
{
try
{
std::vector<uint8_t>* dataVector = reinterpret_cast<std::vector<uint8_t>* >(generated_image_data->internal_data);
VideoThumbnailer* videoThumbnailer = reinterpret_cast<VideoThumbnailer*>(thumbnailer->thumbnailer);
setProperties(thumbnailer);
videoThumbnailer->generateThumbnail(movie_filename, thumbnailer->thumbnail_image_type, *dataVector, thumbnailer->av_format_context);
generated_image_data->image_data_ptr = &dataVector->front();
generated_image_data->image_data_size = dataVector->size();
}
catch (std::logic_error& e)
{
std::cerr << e.what() << std::endl;
return -1;
}
return 0;
}
extern "C" int video_thumbnailer_generate_thumbnail_to_file(video_thumbnailer* thumbnailer, const char* movie_filename, const char* output_fileName)
{
try
{
VideoThumbnailer* videoThumbnailer = reinterpret_cast<VideoThumbnailer*>(thumbnailer->thumbnailer);
setProperties(thumbnailer);
videoThumbnailer->generateThumbnail(movie_filename, thumbnailer->thumbnail_image_type, output_fileName, thumbnailer->av_format_context);
}
catch (std::logic_error& e)
{
std::cerr << e.what() << std::endl;
return -1;
}
return 0;
}
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