| /* GStreamer |
| * Copyright (C) <2010> Filippo Argiolas <filippo.argiolas@gmail.com> |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public |
| * License along with this library; if not, write to the |
| * Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
| * Boston, MA 02111-1307, USA. |
| */ |
| |
| /** |
| * SECTION:element-coloreffects |
| * |
| * Map colors of the video input to a lookup table |
| * |
| * <refsect2> |
| * <title>Example launch line</title> |
| * |[ |
| * gst-launch -v videotestsrc ! coloreffects preset=heat ! ffmpegcolorspace ! |
| * autovideosink |
| * ]| This pipeline shows the effect of coloreffects on a test stream. |
| * </refsect2> |
| */ |
| |
| #ifdef HAVE_CONFIG_H |
| #include "config.h" |
| #endif |
| |
| #include <gst/video/video.h> |
| #include "gstcoloreffects.h" |
| |
| #define DEFAULT_PROP_PRESET GST_COLOR_EFFECTS_PRESET_NONE |
| |
| GST_DEBUG_CATEGORY_STATIC (coloreffects_debug); |
| #define GST_CAT_DEFAULT (coloreffects_debug) |
| |
| enum |
| { |
| PROP_0, |
| PROP_PRESET |
| }; |
| |
| GST_BOILERPLATE (GstColorEffects, gst_color_effects, GstVideoFilter, |
| GST_TYPE_VIDEO_FILTER); |
| |
| #define CAPS_STR GST_VIDEO_CAPS_ARGB ";" GST_VIDEO_CAPS_BGRA ";"\ |
| GST_VIDEO_CAPS_ABGR ";" GST_VIDEO_CAPS_RGBA ";"\ |
| GST_VIDEO_CAPS_xRGB ";" GST_VIDEO_CAPS_RGBx ";"\ |
| GST_VIDEO_CAPS_xBGR ";" GST_VIDEO_CAPS_BGRx ";"\ |
| GST_VIDEO_CAPS_RGB ";" GST_VIDEO_CAPS_BGR ";" \ |
| GST_VIDEO_CAPS_YUV ("AYUV") ";" |
| |
| static GstStaticPadTemplate gst_color_effects_src_template = |
| GST_STATIC_PAD_TEMPLATE ("src", |
| GST_PAD_SRC, |
| GST_PAD_ALWAYS, |
| GST_STATIC_CAPS (CAPS_STR) |
| ); |
| |
| static GstStaticPadTemplate gst_color_effects_sink_template = |
| GST_STATIC_PAD_TEMPLATE ("sink", |
| GST_PAD_SINK, |
| GST_PAD_ALWAYS, |
| GST_STATIC_CAPS (CAPS_STR) |
| ); |
| |
| #define GST_TYPE_COLOR_EFFECTS_PRESET (gst_color_effects_preset_get_type()) |
| static GType |
| gst_color_effects_preset_get_type (void) |
| { |
| static GType preset_type = 0; |
| |
| static const GEnumValue presets[] = { |
| {GST_COLOR_EFFECTS_PRESET_NONE, "Do nothing preset", "none"}, |
| {GST_COLOR_EFFECTS_PRESET_HEAT, "Fake heat camera toning", "heat"}, |
| {GST_COLOR_EFFECTS_PRESET_SEPIA, "Sepia toning", "sepia"}, |
| {GST_COLOR_EFFECTS_PRESET_XRAY, "Invert and slightly shade to blue", |
| "xray"}, |
| {GST_COLOR_EFFECTS_PRESET_XPRO, "Cross processing toning", "xpro"}, |
| {0, NULL, NULL}, |
| }; |
| |
| if (!preset_type) { |
| preset_type = g_enum_register_static ("GstColorEffectsPreset", presets); |
| } |
| return preset_type; |
| } |
| |
| /* |
| * Currently hardcoded tables, in the future may be nice to load them |
| * from a file or just leave these as default presets and add a |
| * property to load a custom one from file |
| */ |
| |
| /* |
| * Tables were produced roughly this way: |
| * - take a sample image |
| * - open with the gimp and play with the Curves tool until you find the desired effect |
| * - save the curve |
| * - create a new 256x1 rgb image and paint a black to white gradient on it |
| * - apply the curve |
| * - save as "C source" |
| * - the array in the saved file is the lookup table |
| */ |
| /* in the future the latter steps would be save to png/bmp/anything else and feed it to the plugin */ |
| |
| /* 256 * 3 RGB data */ |
| static const guint8 sepia_table[768] = |
| "\0\0\0\0\0\0\0\0\0\0\1\0\1\1\0\1\1\0\1\1\1\2\1\1\2\2\1\3\2\1\3\2\1\3\2\1" |
| "\4\3\2\4\3\2\4\3\2\6\4\2\6\4\2\6\4\2\7\5\2\7\5\3\11\6\3\11\6\3\12\7\3\13" |
| "\10\3\15\10\4\16\11\4\17\11\4\21\12\4\22\13\4\22\13\5\23\14\5\24\15\5\26" |
| "\16\6\31\20\6\31\21\6\32\22\7\34\22\7\35\23\7\40\24\10\40\26\10!\26\11#\30" |
| "\11&\31\12&\32\12'\34\13)\34\13*\37\13,\37\13-\40\14.\"\15" "0\"\15" |
| "2#\17" "" "3&\17" "4&\17" "5'\20" "8(\21" |
| "9)\21:*\23<,\23=-\23A.\24A0\25B0\25C2\26D3" |
| "\30H4\30H7\31K7\32K8\32L9\33M:\34P<\34Q=\35S>\37T?\37UA\40VB!XC!ZD#\\F#^" |
| "G#^J$`J&bK'bM'eM(fO)gP)iQ*kS,mT-mU-nV.oX/rY0sZ2u]2v]3w^3x`4za5{c7|c8~e8\177" |
| "f9\200i:\203i<\204j<\206k=\207m>\210n?\211o?\213qA\214rC\215sC\217uD\220" |
| "vD\221wF\223xG\224zH\225{J\227|K\230~K\231\177L\232\200M\234\202O\235\203" |
| "P\236\204Q\240\206Q\241\207S\242\210T\243\211U\245\213V\246\214X\247\215" |
| "Y\250\217Y\252\220Z\253\221\\\254\223]\254\224^\255\225`\257\227a\260\230" |
| "b\261\231c\262\232e\264\234e\265\235f\266\236g\267\240i\267\241i\272\242" |
| "k\273\243m\274\245n\274\246o\276\247q\277\250r\300\252s\301\253u\302\254" |
| "v\304\255w\305\257x\306\257z\306\261{\307\262|\310\264~\310\265\177\313\266" |
| "\200\314\267\202\315\267\203\316\272\204\317\273\206\317\274\207\320\276" |
| "\210\322\277\211\323\277\213\324\301\214\325\302\215\326\304\217\326\305" |
| "\220\327\306\221\327\307\223\331\310\224\333\311\225\334\311\227\334\313" |
| "\227\335\315\231\335\316\231\337\317\234\340\320\235\341\320\235\341\323" |
| "\240\342\324\241\343\324\242\343\326\243\345\327\245\345\330\245\346\331" |
| "\250\346\333\252\347\334\253\351\335\254\351\335\255\351\337\257\352\340" |
| "\260\353\341\260\354\342\262\355\343\264\355\344\265\355\345\266\356\346" |
| "\266\356\347\272\357\350\273\360\351\274\360\351\276\361\352\277\361\353" |
| "\300\362\353\301\362\354\302\362\355\304\362\356\305\364\357\305\364\357" |
| "\310\364\360\311\365\361\313\365\361\314\366\362\315\366\362\316\366\363" |
| "\316\367\364\320\367\364\320\367\365\324\367\365\324\370\366\326\370\366" |
| "\327\371\366\330\371\367\331\371\367\333\371\370\333\372\370\336\372\370" |
| "\336\372\371\340\373\371\341\373\372\342\373\372\343\374\372\344\374\373" |
| "\344\374\373\347\374\374\350\375\374\351\375\374\351\375\374\352\375\375" |
| "\352\376\375\353\376\376\355\376\376\356\376\376\357\377\377\357"; |
| |
| static const guint8 heat_table[768] = |
| "\0\0\0\0\0\0\0\1\0\0\1\0\0\1\1\0\2\1\0\2\1\1\2\1\1\2\2\1\2\2\1\3\2\1\3\3" |
| "\1\3\3\1\4\3\1\4\4\1\5\4\1\5\5\2\5\6\2\6\6\2\6\7\2\6\7\2\7\7\2\7\11\2\10" |
| "\11\2\10\12\3\11\13\3\11\13\3\11\14\3\12\15\3\12\17\3\13\17\3\14\20\3\14" |
| "\22\4\15\23\4\16\24\4\16\26\4\16\27\4\17\31\4\20\34\4\21\34\5\21\40\5\22" |
| "\40\5\22$\5\23$\5\25&\6\25(\6\26-\6\26-\6\27" "0\6\31" "2\7\31" |
| "5\7\32;\7\34" |
| ";\7\34?\10\35C\10\36G\10\37L\10\40V\11!V\11\"[\11$a\11&l\12&l\12'r\12(~\13" |
| "*~\13,\204\14,\213\14.\221\14/\227\14" "1\236\15" "2\244\15" "4\252\15" |
| "5\260" "\16" "7\267\16" |
| "8\275\17:\302\17;\310\17=\323\20?\323\21@\330\21D\335\21D" |
| "\342\22E\346\22I\353\23I\356\23K\362\24M\365\24N\370\25P\372\26R\374\26T" |
| "\376\26V\377\27X\377\27Z\377\30\\\376\31`\376\31`\375\32b\373\32d\371\33" |
| "f\366\34j\363\34j\360\35l\354\36n\350\36r\344\37r\337\40t\333\40w\326!y\321" |
| "\"|\314#~\307$\201\301$\204\267%\207\267&\212\261'\214\254(\217\247(\222" |
| "\241)\226\234*\231\227+\234\222,\237\216-\242\211.\245\205/\251\2010\254" |
| "}1\257z2\262w3\266t4\271p5\274m6\277j7\302f8\305c9\310`:\314\\;\317Y<\321" |
| "V>\324S?\327P@\332LA\335IB\337FC\342CE\344@F\347=G\351;I\3538I\3558M\357" |
| "3P\3610S\363.V\365+Y\366)\\\370'`\371%d\372#g\373\"l\374\40p\374\37t\374" |
| "\35t\375\34}\376\33\202\376\32\202\375\31\213\375\30\220\375\27\225\375\27" |
| "\232\373\26\237\372\25\244\371\24\251\370\23\256\367\23\262\367\22\267\364" |
| "\21\274\362\20\300\361\20\305\357\17\311\355\16\311\353\16\322\351\15\326" |
| "\346\15\332\346\14\336\344\14\341\337\13\341\335\13\350\332\12\353\330\11" |
| "\356\330\11\360\322\10\362\320\10\364\320\10\364\312\7\366\307\7\366\304" |
| "\7\367\302\6\367\277\6\370\274\5\367\271\5\367\271\5\367\263\4\365\260\4" |
| "\364\255\4\363\253\3\362\250\3\361\245\3\360\242\3\357\240\3\357\235\2\355" |
| "\232\2\355\227\2\354\225\2\353\221\1\353\216\1\353\216\1\353\213\1\353\204" |
| "\1\353\201\1\354}\1\354y\0\354v\0\355r\0\355n\0\355j\0\356f\0\356b\0\357" |
| "_\0\357[\0\357W\0\357S\0\360O\0\360O\0\361K\0\361C\0\362@\0\363<\0\3638\0" |
| "\3648\0\3641\0\365.\0\366+\0\366'\0\367'\0\370!\0\370\36\0\370\33\0\371\30" |
| "\0\371\26\0\373\26\0\373\23\0\374\15\0\374\13\0\375\10\0\375\5\0\376\3\0"; |
| |
| static const guint8 xray_table[768] = |
| "\377\377\377\377\377\377\376\376\376\375\375\376\374\375\375\373\374\375" |
| "\372\374\374\371\374\374\370\373\373\366\373\372\366\372\372\365\372\371" |
| "\363\371\371\363\371\370\362\370\370\360\370\367\360\367\366\357\367\365" |
| "\356\366\365\355\366\364\353\365\363\353\365\363\352\364\362\351\363\362" |
| "\347\363\361\346\362\361\345\362\361\344\362\360\343\361\357\343\361\356" |
| "\342\360\356\341\360\356\340\357\355\336\356\354\336\356\354\335\355\353" |
| "\334\355\353\333\355\352\331\354\351\331\353\351\330\353\350\327\353\350" |
| "\325\352\347\325\351\347\324\350\346\323\350\345\322\347\344\321\347\344" |
| "\320\347\344\317\346\343\316\346\342\315\345\341\314\344\341\313\344\340" |
| "\312\344\340\311\343\337\310\342\337\307\342\335\306\341\335\305\341\335" |
| "\303\340\334\303\337\333\302\337\333\301\337\332\300\336\331\276\335\331" |
| "\276\334\330\274\334\330\274\334\327\273\333\327\272\333\326\271\332\325" |
| "\270\332\325\267\331\324\266\330\323\265\330\323\264\327\322\263\327\321" |
| "\262\326\320\261\325\320\257\325\317\257\324\317\256\324\316\254\323\315" |
| "\254\322\315\253\322\314\252\321\313\251\321\313\250\320\312\246\317\311" |
| "\245\317\311\245\316\310\244\316\307\243\315\307\242\314\306\241\314\305" |
| "\240\312\305\237\312\304\236\312\303\235\311\303\234\311\302\233\307\301" |
| "\232\307\300\231\307\300\230\306\277\227\305\276\226\305\276\225\304\275" |
| "\224\303\274\223\303\273\222\302\273\221\301\272\220\301\271\217\300\270" |
| "\216\277\270\215\277\267\214\276\266\213\275\265\212\275\265\211\274\264" |
| "\210\273\263\207\273\262\206\272\262\205\271\261\204\270\260\203\270\257" |
| "\202\267\257\201\266\256\200\266\255\177\265\254~\264\253}\263\253|\263\252" |
| "{\262\251z\261\250y\260\247x\260\247w\257\246v\256\245u\255\244t\255\243" |
| "s\254\243r\253\242q\252\241p\252\240o\251\237n\250\236m\247\235l\246\235" |
| "l\246\235j\245\233i\244\232h\243\231g\242\230f\242\227e\241\226d\240\226" |
| "c\237\225b\236\224a\235\223`\234\222_\234\221_\233\220]\232\217\\\231\216" |
| "\\\230\215Z\227\214Y\226\214X\226\213W\225\212V\224\211U\223\210T\222\207" |
| "S\221\206R\221\205Q\217\204P\216\203O\215\202N\215\201M\214\200M\213\177" |
| "K\212~J\211}I\211|H\210|G\206zG\205zE\204xD\203vC\203vB\201tA\200s@\200q" |
| "@~p>}o>|o<{l<yk;xi9wh8wg8te6sd5qd4pa3n_2m]1k\\0j\\0hY.fW-dU,cT+aR*_P)_O(" |
| "]M'YK'XI%VI$TF$RD\"OB!M@\40K?\37I=\37G=\35E9\34C9\34A5\33>5\31<2\31<0\27" |
| ":.\27" "5,\26" "3*\24" |
| "1*\23.&\22.&\22*\"\21'\40\17%\36\16\"\34\15\"\32\14" |
| "\36\32\13\33\26\13\31\24\11\26\22\11\24\20\7\24\16\6\21\16\5\14\14\4\12\10" |
| "\3\7\6\3\5\4\1\2\2"; |
| |
| static const guint8 xpro_table[768] = |
| "\0\0\37\0\0\37\0\1\40\0\2!\0\2\"\0\3\"\1\4%\1\4%\1\5%\1\5'\1\7'\1\7(\1\7" |
| "(\1\10*\1\11+\1\11,\1\12,\1\13/\1\14/\1\14" "1\2\15" "1\2\15" "1\2\16" |
| "4\2\17" "" "4\3\17" "5\3\22" "7\3\22" "7\3\23" "8\3\24" |
| "9\3\25;\3\26;\3\27<\3\27=\4\31" |
| "=\4\33?\4\34@\5\34B\5\35C\5\36D\5\40D\5\40G\5!G\6\"H\6$H\7&J\7&K\7*M\7*M" |
| "\10+N\10-P\11-P\11/R\11" "3R\11" "3T\12" "4U\12" "5U\13" "7W\14" "8Y\14" |
| "9Y\14" |
| "<Y\16=[\16@^\16@^\17C^\17D`\20F`\20Jb\22Jb\22Kc\23Me\24Nf\25Qg\26Rg\27Ti" |
| "\27Wj\30Xl\31Yl\33\\m\34^p\35`p\40bp\40fq!fr$gt$lt%lu'mv(px*qy-ty/uz/x|0" |
| "y}3|}4}~5\177\2018\203\2019\203\201;\204\202=\207\203?\210\204@\214\204C" |
| "\214\206D\216\207G\217\210H\223\211K\223\211M\225\212P\226\214Q\231\215T" |
| "\232\215U\234\216X\235\217Y\240\220\\\241\220^\243\221`\244\223b\246\224" |
| "e\250\224f\252\225i\253\226l\255\227m\256\231p\261\231q\262\232t\264\233" |
| "v\265\234x\267\234z\270\235|\271\236~\274\240\201\275\240\202\277\241\204" |
| "\300\242\207\302\243\210\303\243\212\305\244\214\306\245\216\307\246\220" |
| "\311\250\221\313\250\224\315\251\226\316\252\227\317\253\232\321\253\234" |
| "\322\254\235\323\255\240\325\256\242\326\256\242\330\256\245\331\261\250" |
| "\331\262\251\332\262\253\334\263\255\335\264\256\336\265\261\340\266\263" |
| "\341\266\264\342\267\266\343\270\270\344\271\271\344\271\271\346\273\276" |
| "\347\274\277\350\275\277\351\275\302\352\276\304\353\277\306\353\300\307" |
| "\355\300\311\356\301\314\356\302\315\357\303\317\360\304\320\360\304\322" |
| "\361\305\323\362\306\325\362\307\327\363\307\330\363\310\330\364\311\333" |
| "\364\313\334\365\313\336\365\314\340\365\314\342\366\316\342\366\316\346" |
| "\367\317\347\367\320\351\367\320\353\370\322\354\370\322\356\370\323\356" |
| "\370\324\360\371\325\360\371\325\363\371\326\363\371\327\363\372\330\365" |
| "\372\330\366\372\331\366\372\331\370\372\332\371\373\332\371\373\333\372" |
| "\373\334\373\373\335\373\373\336\374\373\336\374\374\337\374\374\340\375" |
| "\374\341\375\374\341\376\374\342\376\374\343\376\374\344\376\374\344\377" |
| "\374\345\377\374\346\377\375\346\377\375\346\377\375\347\377\375\350\377" |
| "\375\351\377\375\352\377\375\352\377\375\352\377\375\353\377\375\353\377" |
| "\376\354\377\376\354\377\376\356\377\376\356\377\376\356\377\376\357\377" |
| "\376\360\377\376\360\377\376\360\377\376\360\377\376\362\377\376\362\377" |
| "\376\363\377\376\363\377\376\363\377\376\363\377\376\364\377\376\364\377" |
| "\376\365\377\377\365\377\377\366\377\377\366\377\377\366\377\377\367\377" |
| "\377\367\377\377\367\377\377\370"; |
| |
| static const int cog_ycbcr_to_rgb_matrix_8bit_sdtv[] = { |
| 298, 0, 409, -57068, |
| 298, -100, -208, 34707, |
| 298, 516, 0, -70870, |
| }; |
| |
| static const gint cog_rgb_to_ycbcr_matrix_8bit_sdtv[] = { |
| 66, 129, 25, 4096, |
| -38, -74, 112, 32768, |
| 112, -94, -18, 32768, |
| }; |
| |
| #define APPLY_MATRIX(m,o,v1,v2,v3) ((m[o*4] * v1 + m[o*4+1] * v2 + \ |
| m[o*4+2] * v3 + m[o*4+3]) >> 8) |
| |
| static void |
| gst_color_effects_transform_rgb (GstColorEffects * filter, guint8 * data) |
| { |
| gint i, j; |
| gint width, height; |
| gint pixel_stride, row_stride, row_wrap; |
| guint32 r, g, b; |
| guint32 luma; |
| gint offsets[3]; |
| |
| /* videoformat fun copied from videobalance */ |
| |
| offsets[0] = gst_video_format_get_component_offset (filter->format, 0, |
| filter->width, filter->height); |
| offsets[1] = gst_video_format_get_component_offset (filter->format, 1, |
| filter->width, filter->height); |
| offsets[2] = gst_video_format_get_component_offset (filter->format, 2, |
| filter->width, filter->height); |
| |
| width = |
| gst_video_format_get_component_width (filter->format, 0, filter->width); |
| height = |
| gst_video_format_get_component_height (filter->format, 0, filter->height); |
| row_stride = |
| gst_video_format_get_row_stride (filter->format, 0, filter->width); |
| pixel_stride = gst_video_format_get_pixel_stride (filter->format, 0); |
| row_wrap = row_stride - pixel_stride * width; |
| |
| /* transform */ |
| |
| for (i = 0; i < height; i++) { |
| for (j = 0; j < width; j++) { |
| r = data[offsets[0]]; |
| g = data[offsets[1]]; |
| b = data[offsets[2]]; |
| if (filter->map_luma) { |
| /* BT. 709 coefficients in B8 fixed point */ |
| /* 0.2126 R + 0.7152 G + 0.0722 B */ |
| luma = ((r << 8) * 54) + ((g << 8) * 183) + ((b << 8) * 19); |
| luma >>= 16; /* get integer part */ |
| luma *= 3; /* times 3 to retrieve the correct pixel from |
| * the lut */ |
| /* map luma to lookup table */ |
| /* src.luma |-> table[luma].rgb */ |
| data[offsets[0]] = filter->table[luma]; |
| data[offsets[1]] = filter->table[luma + 1]; |
| data[offsets[2]] = filter->table[luma + 2]; |
| } else { |
| /* map each color component to the correspondent lut color */ |
| /* src.r |-> table[r].r */ |
| /* src.g |-> table[g].g */ |
| /* src.b |-> table[b].b */ |
| data[offsets[0]] = filter->table[r * 3]; |
| data[offsets[1]] = filter->table[g * 3 + 1]; |
| data[offsets[2]] = filter->table[b * 3 + 2]; |
| } |
| data += pixel_stride; |
| } |
| data += row_wrap; |
| } |
| } |
| |
| static void |
| gst_color_effects_transform_ayuv (GstColorEffects * filter, guint8 * data) |
| { |
| gint i, j; |
| gint width, height; |
| gint pixel_stride, row_stride, row_wrap; |
| gint r, g, b; |
| gint y, u, v; |
| gint offsets[3]; |
| |
| /* videoformat fun copied from videobalance */ |
| |
| offsets[0] = gst_video_format_get_component_offset (filter->format, 0, |
| filter->width, filter->height); |
| offsets[1] = gst_video_format_get_component_offset (filter->format, 1, |
| filter->width, filter->height); |
| offsets[2] = gst_video_format_get_component_offset (filter->format, 2, |
| filter->width, filter->height); |
| |
| width = |
| gst_video_format_get_component_width (filter->format, 0, filter->width); |
| height = |
| gst_video_format_get_component_height (filter->format, 0, filter->height); |
| row_stride = |
| gst_video_format_get_row_stride (filter->format, 0, filter->width); |
| pixel_stride = gst_video_format_get_pixel_stride (filter->format, 0); |
| row_wrap = row_stride - pixel_stride * width; |
| |
| for (i = 0; i < height; i++) { |
| for (j = 0; j < width; j++) { |
| y = data[offsets[0]]; |
| u = data[offsets[1]]; |
| v = data[offsets[2]]; |
| |
| if (filter->map_luma) { |
| /* map luma to lookup table */ |
| /* src.luma |-> table[luma].rgb */ |
| y *= 3; |
| r = filter->table[y]; |
| g = filter->table[y + 1]; |
| b = filter->table[y + 2]; |
| |
| y = APPLY_MATRIX (cog_rgb_to_ycbcr_matrix_8bit_sdtv, 0, r, g, b); |
| u = APPLY_MATRIX (cog_rgb_to_ycbcr_matrix_8bit_sdtv, 1, r, g, b); |
| v = APPLY_MATRIX (cog_rgb_to_ycbcr_matrix_8bit_sdtv, 2, r, g, b); |
| |
| data[offsets[0]] = CLAMP (y, 0, 255); |
| data[offsets[1]] = CLAMP (u, 0, 255); |
| data[offsets[2]] = CLAMP (v, 0, 255); |
| } else { |
| r = APPLY_MATRIX (cog_ycbcr_to_rgb_matrix_8bit_sdtv, 0, y, u, v); |
| g = APPLY_MATRIX (cog_ycbcr_to_rgb_matrix_8bit_sdtv, 1, y, u, v); |
| b = APPLY_MATRIX (cog_ycbcr_to_rgb_matrix_8bit_sdtv, 2, y, u, v); |
| |
| r = CLAMP (r, 0, 255); |
| g = CLAMP (g, 0, 255); |
| b = CLAMP (b, 0, 255); |
| |
| /* map each color component to the correspondent lut color */ |
| /* src.r |-> table[r].r */ |
| /* src.g |-> table[g].g */ |
| /* src.b |-> table[b].b */ |
| r = filter->table[r * 3]; |
| g = filter->table[g * 3 + 1]; |
| b = filter->table[b * 3 + 2]; |
| |
| y = APPLY_MATRIX (cog_rgb_to_ycbcr_matrix_8bit_sdtv, 0, r, g, b); |
| u = APPLY_MATRIX (cog_rgb_to_ycbcr_matrix_8bit_sdtv, 1, r, g, b); |
| v = APPLY_MATRIX (cog_rgb_to_ycbcr_matrix_8bit_sdtv, 2, r, g, b); |
| |
| data[offsets[0]] = CLAMP (y, 0, 255); |
| data[offsets[1]] = CLAMP (u, 0, 255); |
| data[offsets[2]] = CLAMP (v, 0, 255); |
| } |
| data += pixel_stride; |
| } |
| data += row_wrap; |
| } |
| } |
| |
| static gboolean |
| gst_color_effects_set_caps (GstBaseTransform * btrans, GstCaps * incaps, |
| GstCaps * outcaps) |
| { |
| GstColorEffects *filter = GST_COLOR_EFFECTS (btrans); |
| |
| GST_DEBUG_OBJECT (filter, |
| "in %" GST_PTR_FORMAT " out %" GST_PTR_FORMAT, incaps, outcaps); |
| |
| filter->process = NULL; |
| |
| if (!gst_video_format_parse_caps (incaps, &filter->format, |
| &filter->width, &filter->height)) |
| goto invalid_caps; |
| |
| GST_OBJECT_LOCK (filter); |
| |
| filter->size = |
| gst_video_format_get_size (filter->format, filter->width, filter->height); |
| |
| switch (filter->format) { |
| case GST_VIDEO_FORMAT_AYUV: |
| filter->process = gst_color_effects_transform_ayuv; |
| break; |
| case GST_VIDEO_FORMAT_ARGB: |
| case GST_VIDEO_FORMAT_ABGR: |
| case GST_VIDEO_FORMAT_RGBA: |
| case GST_VIDEO_FORMAT_BGRA: |
| case GST_VIDEO_FORMAT_xRGB: |
| case GST_VIDEO_FORMAT_xBGR: |
| case GST_VIDEO_FORMAT_RGBx: |
| case GST_VIDEO_FORMAT_BGRx: |
| case GST_VIDEO_FORMAT_RGB: |
| case GST_VIDEO_FORMAT_BGR: |
| filter->process = gst_color_effects_transform_rgb; |
| break; |
| default: |
| break; |
| } |
| |
| GST_OBJECT_UNLOCK (filter); |
| |
| return filter->process != NULL; |
| |
| invalid_caps: |
| GST_ERROR_OBJECT (filter, "Invalid caps: %" GST_PTR_FORMAT, incaps); |
| return FALSE; |
| } |
| |
| static GstFlowReturn |
| gst_color_effects_transform_ip (GstBaseTransform * trans, GstBuffer * out) |
| { |
| GstColorEffects *filter = GST_COLOR_EFFECTS (trans); |
| guint8 *data; |
| gint size; |
| |
| if (!filter->process) |
| goto not_negotiated; |
| |
| data = GST_BUFFER_DATA (out); |
| size = GST_BUFFER_SIZE (out); |
| |
| if (size != filter->size) |
| goto wrong_size; |
| |
| /* do nothing if there is no table ("none" preset) */ |
| if (filter->table == NULL) |
| return GST_FLOW_OK; |
| |
| GST_OBJECT_LOCK (filter); |
| filter->process (filter, data); |
| GST_OBJECT_UNLOCK (filter); |
| |
| return GST_FLOW_OK; |
| |
| wrong_size: |
| { |
| GST_ELEMENT_ERROR (filter, STREAM, FORMAT, |
| (NULL), ("Invalid buffer size %d, expected %d", size, filter->size)); |
| return GST_FLOW_ERROR; |
| } |
| not_negotiated: |
| GST_ERROR_OBJECT (filter, "Not negotiated yet"); |
| return GST_FLOW_NOT_NEGOTIATED; |
| } |
| |
| static void |
| gst_color_effects_base_init (gpointer g_class) |
| { |
| GstElementClass *element_class = GST_ELEMENT_CLASS (g_class); |
| |
| gst_element_class_set_details_simple (element_class, |
| "Color Look-up Table filter", "Filter/Effect/Video", |
| "Color Look-up Table filter", |
| "Filippo Argiolas <filippo.argiolas@gmail.com>"); |
| |
| gst_element_class_add_pad_template (element_class, |
| gst_static_pad_template_get (&gst_color_effects_sink_template)); |
| gst_element_class_add_pad_template (element_class, |
| gst_static_pad_template_get (&gst_color_effects_src_template)); |
| } |
| |
| static void |
| gst_color_effects_set_property (GObject * object, guint prop_id, |
| const GValue * value, GParamSpec * pspec) |
| { |
| GstColorEffects *filter = GST_COLOR_EFFECTS (object); |
| |
| switch (prop_id) { |
| case PROP_PRESET: |
| GST_OBJECT_LOCK (filter); |
| filter->preset = g_value_get_enum (value); |
| |
| switch (filter->preset) { |
| case GST_COLOR_EFFECTS_PRESET_NONE: |
| filter->table = NULL; |
| break; |
| case GST_COLOR_EFFECTS_PRESET_HEAT: |
| filter->table = heat_table; |
| filter->map_luma = TRUE; |
| break; |
| case GST_COLOR_EFFECTS_PRESET_SEPIA: |
| filter->table = sepia_table; |
| filter->map_luma = TRUE; |
| break; |
| case GST_COLOR_EFFECTS_PRESET_XRAY: |
| filter->table = xray_table; |
| filter->map_luma = TRUE; |
| break; |
| case GST_COLOR_EFFECTS_PRESET_XPRO: |
| filter->table = xpro_table; |
| filter->map_luma = FALSE; |
| break; |
| default: |
| g_assert_not_reached (); |
| |
| } |
| GST_OBJECT_UNLOCK (filter); |
| break; |
| default: |
| G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); |
| break; |
| } |
| } |
| |
| static void |
| gst_color_effects_get_property (GObject * object, guint prop_id, GValue * value, |
| GParamSpec * pspec) |
| { |
| GstColorEffects *filter = GST_COLOR_EFFECTS (object); |
| |
| switch (prop_id) { |
| case PROP_PRESET: |
| GST_OBJECT_LOCK (filter); |
| g_value_set_enum (value, filter->preset); |
| GST_OBJECT_UNLOCK (filter); |
| break; |
| default: |
| G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); |
| break; |
| } |
| } |
| |
| static void |
| gst_color_effects_class_init (GstColorEffectsClass * klass) |
| { |
| GObjectClass *gobject_class = (GObjectClass *) klass; |
| GstBaseTransformClass *trans_class = (GstBaseTransformClass *) klass; |
| |
| GST_DEBUG_CATEGORY_INIT (coloreffects_debug, "coloreffects", 0, |
| "coloreffects"); |
| |
| gobject_class->set_property = gst_color_effects_set_property; |
| gobject_class->get_property = gst_color_effects_get_property; |
| |
| g_object_class_install_property (gobject_class, PROP_PRESET, |
| g_param_spec_enum ("preset", "Preset", "Color effect preset to use", |
| GST_TYPE_COLOR_EFFECTS_PRESET, DEFAULT_PROP_PRESET, |
| G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); |
| |
| trans_class->set_caps = GST_DEBUG_FUNCPTR (gst_color_effects_set_caps); |
| trans_class->transform_ip = |
| GST_DEBUG_FUNCPTR (gst_color_effects_transform_ip); |
| } |
| |
| static void |
| gst_color_effects_init (GstColorEffects * filter, GstColorEffectsClass * klass) |
| { |
| filter->preset = GST_COLOR_EFFECTS_PRESET_NONE; |
| filter->table = NULL; |
| filter->map_luma = TRUE; |
| } |
