/* GStreamer * Copyright (C) <2010> Filippo Argiolas * * 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., 51 Franklin St, Fifth Floor, * Boston, MA 02110-1301, USA. */ /** * SECTION:element-coloreffects * @title: coloreffects * * Map colors of the video input to a lookup table * * ## Example launch line * |[ * gst-launch-1.0 -v videotestsrc ! coloreffects preset=heat ! videoconvert ! * autovideosink * ]| This pipeline shows the effect of coloreffects on a test stream. * */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include #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 }; #define gst_color_effects_parent_class parent_class G_DEFINE_TYPE (GstColorEffects, gst_color_effects, GST_TYPE_VIDEO_FILTER); GST_ELEMENT_REGISTER_DEFINE (coloreffects, "coloreffects", GST_RANK_NONE, gst_color_effects_get_type ()); #define CAPS_STR GST_VIDEO_CAPS_MAKE ("{ " \ "ARGB, BGRA, ABGR, RGBA, xRGB, BGRx, xBGR, RGBx, RGB, BGR, 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"}, {GST_COLOR_EFFECTS_PRESET_YELLOWBLUE, "Yellow foreground Blue background color filter", "yellowblue"}, {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<{l5\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$H\7&J\7&K\7*M\7*M" "\10+N\10-P\11-P\11/R\11" "3R\11" "3T\12" "4U\12" "5U\13" "7W\14" "8Y\14" "9Y\14" ">\301>>\300@@\300@A\276" "AB\275BC\274CD\273DE\272EE\272FF\270HH\270HI\266IJ\265KK\264KL\263MM\262" "NN\262NN\261OO\257QP\256RQ\256RR\254TT\253UU\253VU\251VW\250XX\247XY\246" "YZ\245[[\245[[\243]]\243^^\242^_\240_`\237`a\236aa\235bb\235dc\233de\233" "ff\232gf\231hg\230hi\227ji\226kj\225lk\223lm\223nm\222nn\221op\217qq\216" "rr\215ss\214st\213uu\213uu\211wv\210ww\207xx\207yz\205z{\205{{\204||\203" "}}\202\177~\201\177\200\177\200\201\177\202\202~\203\202|\204\203|\204\204" "{\205\206z\207\206x\207\207w\211\210w\211\211v\212\212u\213\214s\214\214" "r\215\215r\216\217q\217\217p\221\220o\221\222n\223\222l\224\223k\224\224" "k\225\225j\226\226i\227\227h\230\231f\231\231f\233\232e\233\233c\234\234" "c\235\235b\236\236a\237\237`\241\240_\242\241^\242\242]\243\244\\\244\244" "[\245\245Y\246\246Y\250\247X\250\250W\251\251V\252\252T\253\253T\254\255" "S\256\255R\257\256Q\257\260P\260\261O\261\261N\262\262M\263\263L\264\265" "K\265\265J\266\266I\267\270H\270\270G\271\271F\272\272E\273\273C\274\274" "B\275\275B\276\276A\277\277@\300\300?\301\301>\302\302=\303\303<\304\304" ";\305\305:\306\3069\307\3078\310\3107\311\3116\312\3125\313\3134\314\314" "3\315\3152\316\3161\317\3170\320\320/\321\321.\322\322-\323\323,\323\324" "+\325\325*\326\326)\327\327(\330\330'\331\331&\332\331%\333\332$\334\334" "#\334\335\"\336\336!\337\337\40\340\340\37\341\341\36\342\342\35\343\343" "\34\344\344\33\345\345\32\345\346\31\347\347\30\350\350\27\351\351\26\352" "\352\25\353\353\24\354\354\23\354\355\22\356\356\21\357\357\20\360\360\17" "\361\361\16\362\362\15\363\362\14\364\364\13\365\365\12\365\366\11\367\367" "\11\370\370\7\371\371\6\372\371\5\373\373\4\374\374\4\375\375\3\375\376\1"; 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, GstVideoFrame * frame) { gint i, j; gint width, height; gint pixel_stride, row_stride, row_wrap; guint32 r, g, b; guint32 luma; gint offsets[3]; guint8 *data; data = GST_VIDEO_FRAME_PLANE_DATA (frame, 0); offsets[0] = GST_VIDEO_FRAME_COMP_POFFSET (frame, 0); offsets[1] = GST_VIDEO_FRAME_COMP_POFFSET (frame, 1); offsets[2] = GST_VIDEO_FRAME_COMP_POFFSET (frame, 2); width = GST_VIDEO_FRAME_WIDTH (frame); height = GST_VIDEO_FRAME_HEIGHT (frame); row_stride = GST_VIDEO_FRAME_PLANE_STRIDE (frame, 0); pixel_stride = GST_VIDEO_FRAME_COMP_PSTRIDE (frame, 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, GstVideoFrame * frame) { gint i, j; gint width, height; gint pixel_stride, row_stride, row_wrap; gint r, g, b; gint y, u, v; gint offsets[3]; guint8 *data; data = GST_VIDEO_FRAME_PLANE_DATA (frame, 0); offsets[0] = GST_VIDEO_FRAME_COMP_POFFSET (frame, 0); offsets[1] = GST_VIDEO_FRAME_COMP_POFFSET (frame, 1); offsets[2] = GST_VIDEO_FRAME_COMP_POFFSET (frame, 2); width = GST_VIDEO_FRAME_WIDTH (frame); height = GST_VIDEO_FRAME_HEIGHT (frame); row_stride = GST_VIDEO_FRAME_PLANE_STRIDE (frame, 0); pixel_stride = GST_VIDEO_FRAME_COMP_PSTRIDE (frame, 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_info (GstVideoFilter * vfilter, GstCaps * incaps, GstVideoInfo * in_info, GstCaps * outcaps, GstVideoInfo * out_info) { GstColorEffects *filter = GST_COLOR_EFFECTS (vfilter); GST_DEBUG_OBJECT (filter, "in %" GST_PTR_FORMAT " out %" GST_PTR_FORMAT, incaps, outcaps); filter->process = NULL; filter->format = GST_VIDEO_INFO_FORMAT (in_info); filter->width = GST_VIDEO_INFO_WIDTH (in_info); filter->height = GST_VIDEO_INFO_HEIGHT (in_info); GST_OBJECT_LOCK (filter); 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; } static GstFlowReturn gst_color_effects_transform_frame_ip (GstVideoFilter * vfilter, GstVideoFrame * out) { GstColorEffects *filter = GST_COLOR_EFFECTS (vfilter); if (!filter->process) goto not_negotiated; /* do nothing if there is no table ("none" preset) */ if (filter->table == NULL) return GST_FLOW_OK; GST_OBJECT_LOCK (filter); filter->process (filter, out); GST_OBJECT_UNLOCK (filter); return GST_FLOW_OK; not_negotiated: GST_ERROR_OBJECT (filter, "Not negotiated yet"); return GST_FLOW_NOT_NEGOTIATED; } 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; case GST_COLOR_EFFECTS_PRESET_YELLOWBLUE: filter->table = yellowblue_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; GstElementClass *element_class = (GstElementClass *) klass; GstVideoFilterClass *vfilter_class = (GstVideoFilterClass *) 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)); vfilter_class->set_info = GST_DEBUG_FUNCPTR (gst_color_effects_set_info); vfilter_class->transform_frame_ip = GST_DEBUG_FUNCPTR (gst_color_effects_transform_frame_ip); gst_element_class_set_static_metadata (element_class, "Color Look-up Table filter", "Filter/Effect/Video", "Color Look-up Table filter", "Filippo Argiolas "); gst_element_class_add_static_pad_template (element_class, &gst_color_effects_sink_template); gst_element_class_add_static_pad_template (element_class, &gst_color_effects_src_template); gst_type_mark_as_plugin_api (GST_TYPE_COLOR_EFFECTS_PRESET, 0); } static void gst_color_effects_init (GstColorEffects * filter) { filter->preset = GST_COLOR_EFFECTS_PRESET_NONE; filter->table = NULL; filter->map_luma = TRUE; }