diff options
| -rw-r--r-- | configure.ac | 1 | ||||
| -rw-r--r-- | gst/coloreffects/Makefile.am | 16 | ||||
| -rw-r--r-- | gst/coloreffects/gstcoloreffects.c | 476 | ||||
| -rw-r--r-- | gst/coloreffects/gstcoloreffects.h | 89 | ||||
| -rw-r--r-- | gst/coloreffects/gstplugin.c | 62 |
5 files changed, 644 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 4259ab051..76a207a32 100644 --- a/configure.ac +++ b/configure.ac @@ -1677,6 +1677,7 @@ gst/autoconvert/Makefile gst/bayer/Makefile gst/camerabin/Makefile gst/cdxaparse/Makefile +gst/coloreffects/Makefile gst/dataurisrc/Makefile gst/dccp/Makefile gst/debugutils/Makefile diff --git a/gst/coloreffects/Makefile.am b/gst/coloreffects/Makefile.am new file mode 100644 index 000000000..331526115 --- /dev/null +++ b/gst/coloreffects/Makefile.am @@ -0,0 +1,16 @@ +plugin_LTLIBRARIES = libgstcoloreffects.la + +libgstcoloreffects_la_SOURCES = \ + gstplugin.c \ + gstcoloreffects.c +libgstcoloreffects_la_CFLAGS = \ + $(GST_PLUGINS_BASE_CFLAGS) \ + $(GST_CFLAGS) +libgstcoloreffects_la_LIBADD = \ + $(GST_PLUGINS_BASE_LIBS) -lgstvideo-@GST_MAJORMINOR@ \ + $(GST_BASE_LIBS) \ + $(GST_LIBS) +libgstcoloreffects_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS) +libgstcoloreffects_la_LIBTOOLFLAGS = --tag=disable-static + +noinst_HEADERS = gstcoloreffects.h diff --git a/gst/coloreffects/gstcoloreffects.c b/gst/coloreffects/gstcoloreffects.c new file mode 100644 index 000000000..2d2e237d3 --- /dev/null +++ b/gst/coloreffects/gstcoloreffects.c @@ -0,0 +1,476 @@ +/* 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-color-lut + * + * 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 ";" + +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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`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 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); + + 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); + + GST_OBJECT_UNLOCK (filter); + + return TRUE; + +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 i, j; + gint size; + gint width, height; + gint pixel_stride, row_stride, row_wrap; + guint32 r, g, b; + guint32 luma; + gint offsets[3]; + + 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); + + /* 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; + } + + 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; + } +} + +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", "preset", + 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; + + gst_pad_use_fixed_caps (GST_BASE_TRANSFORM_SRC_PAD (filter)); + gst_pad_use_fixed_caps (GST_BASE_TRANSFORM_SINK_PAD (filter)); +} diff --git a/gst/coloreffects/gstcoloreffects.h b/gst/coloreffects/gstcoloreffects.h new file mode 100644 index 000000000..05df30bde --- /dev/null +++ b/gst/coloreffects/gstcoloreffects.h @@ -0,0 +1,89 @@ +/* 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. + */ + +#ifndef __GST_COLOR_EFFECTS_H__ +#define __GST_COLOR_EFFECTS_H__ + +#include <gst/gst.h> +#include <gst/video/video.h> +#include <gst/video/gstvideofilter.h> + +G_BEGIN_DECLS +#define GST_TYPE_COLOR_EFFECTS \ + (gst_color_effects_get_type()) +#define GST_COLOR_EFFECTS(obj) \ + (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_COLOR_EFFECTS,GstColorEffects)) +#define GST_COLOR_EFFECTS_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_COLOR_EFFECTS,GstColorEffectsClass)) +#define GST_IS_COLOR_EFFECTS(obj) \ + (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_COLOR_EFFECTS)) +#define GST_IS_COLOR_EFFECTS_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_COLOR_EFFECTS)) +typedef struct _GstColorEffects GstColorEffects; +typedef struct _GstColorEffectsClass GstColorEffectsClass; + +/** + * GstColorEffectsPreset: + * @GST_CLUT_PRESET_NONE: Do nothing preset (default) + * @GST_CLUT_PRESET_HEAT: Fake heat camera effect + * @GST_CLUT_PRESET_SEPIA: Sepia toning filter + * @GST_CLUT_PRESET_XRAY: Invert colors and slightly shade to cyan + * @GST_CLUT_PRESET_XPRO: Cross Processing filter + * + * The lookup table to use to convert input colors + */ +typedef enum +{ + GST_COLOR_EFFECTS_PRESET_NONE, + GST_COLOR_EFFECTS_PRESET_HEAT, + GST_COLOR_EFFECTS_PRESET_SEPIA, + GST_COLOR_EFFECTS_PRESET_XRAY, + GST_COLOR_EFFECTS_PRESET_XPRO +} GstColorEffectsPreset; + +/** + * GstColorEffects: + * + * Opaque datastructure. + */ +struct _GstColorEffects +{ + GstVideoFilter videofilter; + + /* < private > */ + GstColorEffectsPreset preset; + const guint8 *table; + gboolean map_luma; + + /* video format */ + GstVideoFormat format; + gint width; + gint height; + gint size; +}; + +struct _GstColorEffectsClass +{ + GstVideoFilterClass parent_class; +}; + +GType gst_color_effects_get_type (void); + +G_END_DECLS +#endif /* __GST_COLOR_EFFECTS_H__ */ diff --git a/gst/coloreffects/gstplugin.c b/gst/coloreffects/gstplugin.c new file mode 100644 index 000000000..f19cf4106 --- /dev/null +++ b/gst/coloreffects/gstplugin.c @@ -0,0 +1,62 @@ +/* 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. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <gst/gst.h> + +#include "gstcoloreffects.h" + +#ifndef PACKAGE +#define PACKAGE "coloreffects" +#endif + +struct _elements_entry +{ + const gchar *name; + GType (*type) (void); +}; + +static const struct _elements_entry _elements[] = { + {"coloreffects", gst_color_effects_get_type}, + {NULL, 0}, +}; + +static gboolean +plugin_init (GstPlugin * plugin) +{ + gint i = 0; + + while (_elements[i].name) { + if (!gst_element_register (plugin, _elements[i].name, + GST_RANK_NONE, (_elements[i].type) ())) + return FALSE; + i++; + } + + return TRUE; +} + +GST_PLUGIN_DEFINE (GST_VERSION_MAJOR, + GST_VERSION_MINOR, + "coloreffects", + "Color Look-up Table filters", + plugin_init, VERSION, "LGPL", "GStreamer", "http://gstreamer.net/") |