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// -*- mode: c++; c-basic-offset: 4; indent-tabs-mode: nil; -*-
// (c) 2021 Henner Zeller <h.zeller@acm.org>
//
// 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 version 2.
//
// 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, see <http://gnu.org/licenses/gpl-2.0.txt>
#ifndef TIMG_STB_IMAGE_SOURCE_H
#define TIMG_STB_IMAGE_SOURCE_H
#include <memory>
#include "display-options.h"
#include "image-source.h"
namespace timg {
// STB image loader fallback. Not pretty and should only be used as fallback.
class STBImageSource final : public ImageSource {
public:
explicit STBImageSource(const std::string &filename);
~STBImageSource() final;
// Attempt to load given filename as video, open stream and set-up scaling.
// Returns true on success.
bool LoadAndScale(const DisplayOptions &options, int frame_offset,
int frame_count) final;
// Play video up to given duration.
//
// The reference to the "interrupt_received" can be updated by a signal
// while the method is running and shall be checked often.
void SendFrames(const Duration &duration, int loops,
const volatile sig_atomic_t &interrupt_received,
const Renderer::WriteFramebufferFun &sink) final;
std::string FormatTitle(const std::string &format_string) const final;
private:
class PreprocessedFrame;
std::vector<PreprocessedFrame *> frames_;
int orig_width_, orig_height_;
int max_frames_ = 1;
int indentation_ = 0;
};
} // namespace timg
#endif // TIMG_STB_IMAGE_SOURCE_H
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