forked from mia/Aegisub
86 lines
3.5 KiB
C++
86 lines
3.5 KiB
C++
// Copyright (c) 2005, Rodrigo Braz Monteiro
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// * Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// * Neither the name of the Aegisub Group nor the names of its contributors
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// may be used to endorse or promote products derived from this software
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// without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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// Aegisub Project http://www.aegisub.org/
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#include "ass_export_filter.h"
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#include <libaegisub/vfr.h>
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class AssDialogue;
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class AssOverrideParameter;
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class wxCheckBox;
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class wxRadioButton;
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class wxTextCtrl;
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/// @class AssTransformFramerateFilter
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/// @brief Transform subtitle times, including those in override tags, from an input framerate to an output framerate
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class AssTransformFramerateFilter final : public AssExportFilter {
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agi::Context *c = nullptr;
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AssDialogue *line = nullptr;
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int newStart = 0;
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int newEnd = 0;
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int newK = 0;
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int oldK = 0;
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// Yes, these are backwards. It sort of makes sense if you think about what it's doing.
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agi::vfr::Framerate Input; ///< Destination frame rate
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agi::vfr::Framerate Output; ///< Source frame rate
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wxTextCtrl *InputFramerate; ///< Input frame rate text box
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wxTextCtrl *OutputFramerate; ///< Output frame rate text box
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wxRadioButton *RadioOutputCFR; ///< CFR radio control
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wxRadioButton *RadioOutputVFR; ///< VFR radio control
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wxCheckBox *Reverse; ///< Switch input and output
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/// @brief Apply the transformation to a file
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/// @param subs File to process
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void TransformFrameRate(AssFile *subs);
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/// @brief Transform a single tag
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/// @param name Name of the tag
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/// @param curParam Current parameter being processed
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/// @param userdata Filter instance
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static void TransformTimeTags(std::string const& name, AssOverrideParameter *curParam, void *userdata);
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/// @brief Convert a time from the input frame rate to the output frame rate
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/// @param time Time in ms to convert
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/// @return Time in ms
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///
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/// This preserves two things:
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/// 1. The frame number
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/// 2. The relative distance between the beginning of the frame which time
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/// is in and the beginning of the next frame
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int ConvertTime(int time);
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public:
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AssTransformFramerateFilter();
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void ProcessSubs(AssFile *subs, wxWindow *) override;
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wxWindow *GetConfigDialogWindow(wxWindow *parent, agi::Context *c) override;
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void LoadSettings(bool is_default, agi::Context *c) override;
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};
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