/usr/include/libffmpegthumbnailer/videothumbnailer.h is in libffmpegthumbnailer-dev 2.0.8-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 | // 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
#ifndef VIDEO_THUMBNAILER_H
#define VIDEO_THUMBNAILER_H
#include <string>
#include <vector>
#include <map>
#include <inttypes.h>
#include "imagetypes.h"
#include "ifilter.h"
struct AVFormatContext;
namespace ffmpegthumbnailer
{
struct VideoFrame;
class ImageWriter;
class MovieDecoder;
template <typename T>
struct Histogram;
class VideoThumbnailer
{
public:
VideoThumbnailer();
VideoThumbnailer(int thumbnailSize, bool workaroundIssues, bool maintainAspectRatio, int imageQuality, bool smartFrameSelection);
~VideoThumbnailer();
void generateThumbnail(const std::string& videoFile, ThumbnailerImageType type, const std::string& outputFile, AVFormatContext* pAvContext = NULL);
void generateThumbnail(const std::string& videoFile, ThumbnailerImageType type, std::vector<uint8_t>& buffer, AVFormatContext* pAvContext = NULL);
void setThumbnailSize(int size);
void setSeekPercentage(int percentage);
void setSeekTime(const std::string& seekTime);
void setWorkAroundIssues(bool workAround);
void setImageQuality(int imageQuality);
void setMaintainAspectRatio(bool enabled);
void setSmartFrameSelection(bool enabled);
void addFilter(IFilter* pFilter);
void removeFilter(IFilter* pFilter);
void clearFilters();
private:
void generateThumbnail(const std::string& videoFile, ImageWriter& imageWriter, AVFormatContext* pAvContext = NULL);
void generateSmartThumbnail(MovieDecoder& movieDecoder, VideoFrame& videoFrame);
void writeImage(const std::string& videoFile, ImageWriter& imageWriter, const VideoFrame& videoFrame, int duration, std::vector<uint8_t*>& rowPointers);
std::string getMimeType(const std::string& videoFile);
std::string getExtension(const std::string& videoFilename);
void generateHistogram(const VideoFrame& videoFrame, Histogram<int>& histogram);
int getBestThumbnailIndex(std::vector<VideoFrame>& videoFrames, const std::vector<Histogram<int> >& histograms);
void applyFilters(VideoFrame& frameData);
private:
int m_ThumbnailSize;
uint16_t m_SeekPercentage;
bool m_OverlayFilmStrip;
bool m_WorkAroundIssues;
int m_ImageQuality;
bool m_MaintainAspectRatio;
bool m_SmartFrameSelection;
std::string m_SeekTime;
std::vector<IFilter*> m_Filters;
friend class VideoThumbnailerTest;
};
}
#endif
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