Aegisub/src/include/aegisub/subtitles_provider.h

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// Copyright (c) 2007, Rodrigo Braz Monteiro
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
// * Neither the name of the Aegisub Group nor the names of its contributors
// may be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
// Aegisub Project http://www.aegisub.org/
/// @file subtitles_provider.h
/// @brief Declaration of base-class for subtitle renderers
/// @ingroup main_headers subtitle_rendering
///
#pragma once
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#include <memory>
#include <string>
#include <vector>
class AssFile;
struct VideoFrame;
class SubtitlesProvider {
std::vector<char> buffer;
virtual void LoadSubtitles(const char *data, size_t len)=0;
public:
virtual ~SubtitlesProvider() = default;
void LoadSubtitles(AssFile *subs, int time = -1);
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virtual void DrawSubtitles(VideoFrame &dst, double time)=0;
virtual void Reinitialize() { }
};
namespace agi { class BackgroundRunner; }
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struct SubtitlesProviderFactory {
static std::unique_ptr<SubtitlesProvider> GetProvider(agi::BackgroundRunner *br);
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static std::vector<std::string> GetClasses();
};