Searched refs:dithering (Results 1 – 15 of 15) sorted by relevance
| /AliOS-Things-master/components/SDL2/src/image/external/libwebp-1.0.2/src/utils/ |
| A D | random_utils.c | 33 void VP8InitRandom(VP8Random* const rg, float dithering) { in VP8InitRandom() argument
37 rg->amp_ = (dithering < 0.0) ? 0 in VP8InitRandom()
38 : (dithering > 1.0) ? (1 << VP8_RANDOM_DITHER_FIX) in VP8InitRandom()
39 : (uint32_t)((1 << VP8_RANDOM_DITHER_FIX) * dithering); in VP8InitRandom()
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| A D | random_utils.h | 34 void VP8InitRandom(VP8Random* const rg, float dithering);
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| /AliOS-Things-master/components/SDL2/src/image/external/libwebp-1.0.2/src/enc/ |
| A D | webp_enc.c | 358 float dithering = 0.f; in WebPEncode() local
364 dithering = 1.0f + (0.5f - 1.0f) * x2 * x2; in WebPEncode()
366 if (!WebPPictureARGBToYUVADithered(pic, WEBP_YUV420, dithering)) { in WebPEncode()
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| A D | picture_csp_enc.c | 844 float dithering, in ImportYUVAFromRGBA() argument
894 if (dithering > 0.) { in ImportYUVAFromRGBA()
895 VP8InitRandom(&base_rg, dithering); in ImportYUVAFromRGBA()
992 float dithering, int use_iterative_conversion) { in PictureARGBToYUVA() argument
1007 dithering, use_iterative_conversion, picture); in PictureARGBToYUVA()
1012 float dithering) { in WebPPictureARGBToYUVADithered() argument
1013 return PictureARGBToYUVA(picture, colorspace, dithering, 0); in WebPPictureARGBToYUVADithered()
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| /AliOS-Things-master/components/SDL2/src/image/external/libpng-1.6.37/ |
| A D | TODO | 9 * Improved dithering.
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| A D | CHANGES | 46 finished dithering and other stuff
2222 Support for dithering was disabled by default, because it has never
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| A D | libpng-manual.txt | 4801 Support for dithering was disabled by default in libpng-1.4.0, because
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| /AliOS-Things-master/components/SDL2/src/image/external/libwebp-1.0.2/src/webp/ |
| A D | encode.h | 490 WebPPicture* picture, WebPEncCSP colorspace, float dithering);
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| /AliOS-Things-master/components/SDL2/src/image/VisualC/external/include/webp/ |
| A D | encode.h | 490 WebPPicture* picture, WebPEncCSP colorspace, float dithering);
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| /AliOS-Things-master/components/SDL2/src/image/Xcode/Frameworks/webp.framework/Versions/A/Headers/webp/ |
| A D | encode.h | 490 WebPPicture* picture, WebPEncCSP colorspace, float dithering);
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| /AliOS-Things-master/components/SDL2/src/image/external/jpeg-9b/ |
| A D | usage.txt | 228 -smooth N Smooth the input image to eliminate dithering noise.
251 factor of 10 to 50 gets rid of dithering patterns in the input file, resulting
356 -dither fs Use Floyd-Steinberg dithering in color quantization.
357 -dither ordered Use ordered dithering in color quantization.
358 -dither none Do not use dithering in color quantization.
359 By default, Floyd-Steinberg dithering is applied when
362 between speed and quality; no dithering is fast but
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| A D | libjpeg.txt | 201 because of dithering noise. This is discussed in more detail in the JPEG FAQ
1183 Selects color dithering method. Supported values are:
1184 JDITHER_NONE no dithering: fast, very low quality
1190 an external color map, you'll get F-S dithering.)
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| /AliOS-Things-master/components/SDL2/src/image/external/libwebp-1.0.2/ |
| A D | README | 358 -nodither .... disable dithering
359 -dither <d> .. dithering strength (in 0..100)
360 -alpha_dither use alpha-plane dithering if needed
405 -dither <int> dithering strength (0..100), default=50
406 -noalphadither disable alpha plane dithering
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| A D | ChangeLog | 1916 c5c6b408 Merge "add alpha dithering for lossy"
1922 bbe32df1 add alpha dithering for lossy
2277 cbdd3e6e add a -dither dithering option to the decoder
2322 0b2b0504 Use deterministic random-dithering during RGB->YUV conversion
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| /AliOS-Things-master/components/SDL2/src/image/external/tiff-4.0.9/ |
| A D | ChangeLog | 7548 2) I added a psuedotag in tiff.h to control random dithering during
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