acba2c6b63
Kill vfr.h and vfr.cpp and use the libaegisub versions of them instead. Rather than the globals VFR_Input and VFR_Output, everything related to frame rate is now part of the video context. Most things which used to use VFR_Output now call VideoContext::TimeAtFrame etc.; video providers, rather than modifying VFR_Input directly, now have getters for their frame rates which VideoContext calls. Read-only public access to VFR_Input and VFR_Output are still provided (hopefully temporarily) for a few things which were awkward to do through VideoContext. The Avisynth provider now might correctly handle VFR MKVs which can be opened with DirectShowSource but not DSS2. Rework keyframe handling as well, so that it continues to match the vfr handling in design and implementation. Originally committed to SVN as r4662.
114 lines
3.2 KiB
C++
114 lines
3.2 KiB
C++
// Copyright (c) 2006, Fredrik Mellbin
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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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//
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// $Id$
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/// @file video_provider_avs.h
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/// @see video_provider_avs.cpp
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/// @ingroup video_input
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///
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#ifdef WITH_AVISYNTH
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#include "avisynth_wrap.h"
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#include "include/aegisub/video_provider.h"
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/// DOCME
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/// @class AvisynthVideoProvider
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/// @brief DOCME
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///
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/// DOCME
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class AvisynthVideoProvider: public VideoProvider, AviSynthWrapper {
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/// DOCME
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VideoInfo vi;
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/// DOCME
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AegiVideoFrame iframe;
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/// DOCME
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bool usedDirectShow;
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/// DOCME
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wxString rendererCallString;
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/// DOCME
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wxString decoderName;
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/// DOCME
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int num_frames;
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/// DOCME
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int last_fnum;
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/// DOCME
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agi::vfr::Framerate real_fps;
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agi::vfr::Framerate vfr_fps;
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/// DOCME
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std::vector<int> KeyFrames;
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/// DOCME
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PClip RGB32Video;
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PClip OpenVideo(wxString _filename, bool mpeg2dec3_priority = true);
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public:
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AvisynthVideoProvider(wxString _filename);
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~AvisynthVideoProvider();
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const AegiVideoFrame GetFrame(int n);
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int GetPosition() const { return last_fnum; };
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int GetFrameCount() const { return num_frames? num_frames: vi.num_frames; };
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agi::vfr::Framerate GetFPS() const { return vfr_fps.IsLoaded() ? vfr_fps : real_fps; };
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int GetWidth() const { return vi.width; };
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int GetHeight() const { return vi.height; };
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std::vector<int> GetKeyFrames() const { return KeyFrames; };
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wxString GetWarning() const;
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wxString GetDecoderName() const { return wxString(L"Avisynth/") + decoderName; }
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};
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/// DOCME
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/// @class AvisynthVideoProviderFactory
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/// @brief DOCME
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///
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/// DOCME
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class AvisynthVideoProviderFactory : public VideoProviderFactory {
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public:
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/// @brief DOCME
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/// @param video
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///
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VideoProvider *CreateProvider(wxString video) { return new AvisynthVideoProvider(video); }
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};
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#endif
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