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77 lines
2.7 KiB
77 lines
2.7 KiB
2 years ago
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/*
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This file is part of dec265, an example application using libde265.
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MIT License
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Copyright (c) 2013-2014 struktur AG, Dirk Farin <farin@struktur.de>
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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#include <SDL.h>
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class SDL_YUV_Display
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{
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public:
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enum SDL_Chroma {
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SDL_CHROMA_MONO=400,
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SDL_CHROMA_420 =420,
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SDL_CHROMA_422 =422,
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SDL_CHROMA_444 =444
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};
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bool init(int frame_width, int frame_height, enum SDL_Chroma chroma = SDL_CHROMA_420);
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void display(const unsigned char *Y, const unsigned char *U, const unsigned char *V,
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int stride, int chroma_stride);
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void close();
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bool doQuit() const;
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bool isOpen() const { return mWindowOpen; }
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private:
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SDL_Surface *mScreen;
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SDL_Overlay *mYUVOverlay;
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SDL_Rect rect;
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bool mWindowOpen;
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SDL_Chroma mChroma;
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void display400(const unsigned char *Y,
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int stride);
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void display420(const unsigned char *Y,
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const unsigned char *U,
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const unsigned char *V,
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int stride, int chroma_stride);
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void display422(const unsigned char *Y,
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const unsigned char *U,
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const unsigned char *V,
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int stride, int chroma_stride);
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void display444as422(const unsigned char *Y,
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const unsigned char *U,
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const unsigned char *V,
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int stride, int chroma_stride);
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void display444as420(const unsigned char *Y,
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const unsigned char *U,
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const unsigned char *V,
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int stride, int chroma_stride);
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};
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