forked from mia/Aegisub
a0d3dbc550
Add SubsController, which deals with things like what subtitle file is currently open, rather than the contents of the current subtitle file. Move the rest of the relevant logic from FrameMain there in addition to all of the stuff from AssFile.
123 lines
3.9 KiB
C++
123 lines
3.9 KiB
C++
// Copyright (c) 2007, 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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/// @file subtitles_provider_csri.cpp
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/// @brief Wrapper for CSRI-based subtitle renderers
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/// @ingroup subtitle_rendering
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///
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#include "config.h"
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#ifdef WITH_CSRI
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#include "subtitles_provider_csri.h"
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#include "subtitle_format.h"
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#include "standard_paths.h"
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#include "video_frame.h"
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#include <libaegisub/fs.h>
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#include <boost/filesystem.hpp>
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#include <mutex>
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#ifdef WIN32
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#define CSRIAPI
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#include "../../contrib/csri/include/csri/csri.h"
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#else
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#include <csri/csri.h>
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#endif
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// CSRI renderers are not required to be thread safe (and VSFilter very much
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// is not)
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static std::mutex csri_mutex;
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CSRISubtitlesProvider::CSRISubtitlesProvider(std::string type)
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: instance(nullptr, csri_close)
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{
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std::lock_guard<std::mutex> lock(csri_mutex);
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for (csri_rend *cur = csri_renderer_default(); cur; cur = csri_renderer_next(cur)) {
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if (type == csri_renderer_info(cur)->name) {
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renderer = cur;
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break;
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}
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}
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if (!renderer)
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throw agi::InternalError("CSRI renderer vanished between initial list and creation?", 0);
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}
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CSRISubtitlesProvider::~CSRISubtitlesProvider() {
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agi::fs::Remove(tempfile);
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}
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void CSRISubtitlesProvider::LoadSubtitles(AssFile *subs) {
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if (tempfile.empty())
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tempfile = unique_path(StandardPaths::DecodePath("?temp/csri-%%%%-%%%%-%%%%-%%%%.ass"));
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SubtitleFormat::GetWriter(tempfile)->WriteFile(subs, tempfile, "utf-8");
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std::lock_guard<std::mutex> lock(csri_mutex);
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instance = csri_open_file(renderer, tempfile.string().c_str(), nullptr);
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}
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void CSRISubtitlesProvider::DrawSubtitles(AegiVideoFrame &dst,double time) {
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if (!instance) return;
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csri_frame frame;
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if (dst.flipped) {
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frame.planes[0] = dst.data + (dst.h-1) * dst.pitch;
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frame.strides[0] = -(signed)dst.pitch;
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}
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else {
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frame.planes[0] = dst.data;
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frame.strides[0] = dst.pitch;
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}
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frame.pixfmt = CSRI_F_BGR_;
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csri_fmt format = { frame.pixfmt, dst.w, dst.h };
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std::lock_guard<std::mutex> lock(csri_mutex);
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if (!csri_request_fmt(instance, &format))
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csri_render(instance, &frame, time);
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}
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std::vector<std::string> CSRISubtitlesProvider::GetSubTypes() {
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std::vector<std::string> final;
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for (csri_rend *cur = csri_renderer_default(); cur; cur = csri_renderer_next(cur)) {
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std::string name(csri_renderer_info(cur)->name);
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if (name.find("aegisub") != name.npos)
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final.insert(final.begin(), name);
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else
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final.push_back(name);
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}
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return final;
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}
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#endif // WITH_CSRI
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