forked from mia/Aegisub
146 lines
4.1 KiB
C++
146 lines
4.1 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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// -----------------------------------------------------------------------------
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//
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// AEGISUB
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//
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// Website: http://aegisub.cellosoft.com
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// Contact: mailto:zeratul@cellosoft.com
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//
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///////////
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// Headers
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#include "subtitles_provider.h"
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#include "ass_file.h"
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#include "video_context.h"
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#define CSRIAPI __declspec(dllexport)
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#include "csri/csri.h"
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///////////////////
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// Link to library
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#if __VISUALC__ >= 1200
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#pragma comment(lib,"asa.lib")
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#endif
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/////////////////////////////////////////////////
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// Common Subtitles Rendering Interface provider
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class CSRISubtitlesProvider : public SubtitlesProvider {
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private:
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csri_inst *instance;
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public:
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CSRISubtitlesProvider();
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~CSRISubtitlesProvider();
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bool CanRaster() { return true; }
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void LoadSubtitles(AssFile *subs);
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void DrawSubtitles(AegiVideoFrame &dst,double time);
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};
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///////////
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// Factory
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class CSRISubtitlesProviderFactory : public SubtitlesProviderFactory {
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public:
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SubtitlesProvider *CreateProvider() { return new CSRISubtitlesProvider(); }
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CSRISubtitlesProviderFactory() : SubtitlesProviderFactory(_T("csri")) {}
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} registerCSRI;
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///////////////
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// Constructor
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CSRISubtitlesProvider::CSRISubtitlesProvider() {
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instance = NULL;
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}
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//////////////
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// Destructor
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CSRISubtitlesProvider::~CSRISubtitlesProvider() {
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if (instance) csri_close(instance);
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instance = NULL;
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}
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//////////////////
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// Load subtitles
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void CSRISubtitlesProvider::LoadSubtitles(AssFile *subs) {
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// Close
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// HACK: REMOVE THE FOLLOWING LINE
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if (instance) return;
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if (instance) csri_close(instance);
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instance = NULL;
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// Prepare subtitles
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wxString subsfilename = VideoContext::Get()->GetTempWorkFile();
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subs->Save(subsfilename,false,false,_T("UTF-8"));
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delete subs;
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// Open
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instance = csri_open_file(csri_renderer_default(),subsfilename.mb_str(wxConvUTF8),NULL);
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}
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//////////////////
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// Draw subtitles
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void CSRISubtitlesProvider::DrawSubtitles(AegiVideoFrame &dst,double time) {
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// Check if CSRI loaded properly
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if (!instance) return;
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// Load data into frame
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csri_frame frame;
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for (int i=0;i<4;i++) {
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if (dst.flipped) {
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frame.planes[i] = dst.data[i] + (dst.h-1) * dst.pitch[i];
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frame.strides[i] = -(signed)dst.pitch[i];
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}
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else {
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frame.planes[i] = dst.data[i];
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frame.strides[i] = dst.pitch[i];
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}
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}
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switch (dst.format) {
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case FORMAT_RGB32: frame.pixfmt = CSRI_F_BGR_; break;
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case FORMAT_RGB24: frame.pixfmt = CSRI_F_BGR; break;
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}
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// Set format
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csri_fmt format;
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format.width = dst.w;
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format.height = dst.h;
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format.pixfmt = frame.pixfmt;
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int error = csri_request_fmt(instance,&format);
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if (error) return;
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// Render
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csri_render(instance,&frame,time);
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}
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