forked from mia/Aegisub
125 lines
3.6 KiB
C++
125 lines
3.6 KiB
C++
// Copyright (c) 2006, David Lamparter
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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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#ifdef HAVE_ASA
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#ifdef HAVE_ASA_ASA_H
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# include <asa/asa.h>
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#else
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# ifdef WIN32
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# include <asa.h>
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# endif
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#endif
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#include <wx/wxprec.h>
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#include <wx/image.h>
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#include "subtitle_provider.h"
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#include "video_provider.h"
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#include "ass_file.h"
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class SubtitleProviderASA : public SubtitleProvider, SubtitleProvider::Overlay {
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private:
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class MyClass : public Class {
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public:
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MyClass() : Class(L"asa") { asa_init(ASA_VERSION); };
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virtual SubtitleProvider *Get(AssFile *subs) { return new SubtitleProviderASA(subs); };
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};
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static MyClass me;
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AssFile *subs;
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asa_inst *inst;
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VideoProvider *vpro;
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public:
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SubtitleProviderASA(AssFile *_subs);
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virtual ~SubtitleProviderASA();
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virtual void Bind(VideoProvider *_vpro);
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virtual void SetParams(int width, int height);
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virtual void Render(wxImage &frame, int ms);
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virtual void Unbind();
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};
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SubtitleProviderASA::MyClass SubtitleProviderASA::me;
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SubtitleProviderASA::SubtitleProviderASA(AssFile *_subs)
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{
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subs = _subs;
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wxString text = subs->GetString();
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inst = asa_open_mem((const char *)text.GetData(), sizeof(wchar_t) * text.Length(), (enum asa_oflags)0);
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if (!inst)
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throw L"failed to load script with asa.";
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};
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SubtitleProviderASA::~SubtitleProviderASA()
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{
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Unbind();
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asa_close(inst);
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};
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void SubtitleProviderASA::Bind(VideoProvider *_vpro)
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{
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vpro = _vpro;
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vpro->AttachOverlay(this);
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}
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void SubtitleProviderASA::SetParams(int width, int height)
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{
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asa_setsize(inst, width, height);
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}
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void SubtitleProviderASA::Render(wxImage &frame, int ms)
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{
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struct asa_frame aframe;
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aframe.csp = ASACSP_RGB;
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aframe.bmp.rgb.fmt = ASACSPR_RGB;
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aframe.bmp.rgb.d.d = frame.GetData();
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aframe.bmp.rgb.d.stride = 3 * frame.GetWidth();
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asa_render(inst, ms * 0.001, &aframe);
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}
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void SubtitleProviderASA::Unbind()
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{
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if (vpro)
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vpro->AttachOverlay(NULL);
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vpro = NULL;
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}
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#endif /* HAVE_ASA */
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