forked from mia/Aegisub
bc74dfc33b
Write the color range and color space used to convert video to RGB to the YCbCr Matrix field, or None if no non-RGB video was opened. See http://code.google.com/p/xy-vsfilter/issues/detail?id=91 for related discussion. Originally committed to SVN as r6762.
97 lines
4.4 KiB
C++
97 lines
4.4 KiB
C++
// Copyright (c) 2007, Niels Martin Hansen
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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_dummy.h
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/// @see video_provider_dummy.cpp
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/// @ingroup video_input
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///
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#include "include/aegisub/video_provider.h"
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#include "video_frame.h"
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class wxColour;
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/// @class DummyVideoProvider
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/// @brief A dummy video provider for when opening a file is just too much effort
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///
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/// This simply returns a single constant frame, which can either be a flat
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/// color or a checkerboard pattern
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class DummyVideoProvider : public VideoProvider {
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int framecount; ///< Length of the dummy video in frames
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agi::vfr::Framerate fps; ///< Frame rate to use
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int width; ///< Width in pixels
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int height; ///< Height in pixels
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/// The single image which is returned for all frames
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AegiVideoFrame frame;
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/// Create the dummy frame from the given parameters
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/// @param fps Frame rate of the dummy video
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/// @param frames Length in frames of the dummy video
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/// @param width Width in pixels of the dummy video
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/// @param height Height in pixels of the dummy video
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/// @param red Red component of the primary colour of the dummy video
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/// @param green Green component of the primary colour of the dummy video
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/// @param blue Blue component of the primary colour of the dummy video
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/// @param pattern Use a checkerboard pattern rather than a solid colour
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void Create(double fps, int frames, int width, int height, unsigned char red, unsigned char green, unsigned char blue, bool pattern);
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public:
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/// Create a dummy video from a string returned from MakeFilename
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DummyVideoProvider(wxString const& filename);
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/// Create a dummy video from separate parameters
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/// @param fps Frame rate of the dummy video
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/// @param frames Length in frames of the dummy video
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/// @param width Width in pixels of the dummy video
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/// @param height Height in pixels of the dummy video
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/// @param colour Primary colour of the dummy video
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/// @param pattern Use a checkerboard pattern rather than a solid colour
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DummyVideoProvider(double fps, int frames, int width, int height, wxColour const& colour, bool pattern);
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/// Destructor
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~DummyVideoProvider();
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/// Make a fake filename which when passed to the constructor taking a
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/// string will result in a video with the given parameters
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static wxString MakeFilename(double fps, int frames, int width, int height, wxColour const& colour, bool pattern);
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const AegiVideoFrame GetFrame(int n) { return frame; }
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int GetFrameCount() const { return framecount; }
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int GetWidth() const { return width; }
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int GetHeight() const { return height; }
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double GetDAR() const { return 0; }
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agi::vfr::Framerate GetFPS() const { return fps; }
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std::vector<int> GetKeyFrames() const { return std::vector<int>(); }
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wxString GetColorSpace() const { return "None"; }
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wxString GetDecoderName() const { return "Dummy Video Provider"; }
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};
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