/* GStreamer * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu> * * 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. */ #ifdef HAVE_CONFIG_H #include "config.h" #endif /* non-GST-specific stuff */ #include "gstvideotestsrc.h" #include "videotestsrc.h" #include "gstvideotestsrcorc.h" #include <gst/math-compat.h> #include <string.h> #include <stdlib.h> #define TO_16(x) (((x)<<8) | (x)) static unsigned char random_char (guint * state) { *state *= 1103515245; *state += 12345; return (*state >> 16) & 0xff; } enum { COLOR_WHITE = 0, COLOR_YELLOW, COLOR_CYAN, COLOR_GREEN, COLOR_MAGENTA, COLOR_RED, COLOR_BLUE, COLOR_BLACK, COLOR_NEG_I, COLOR_POS_Q, COLOR_SUPER_BLACK, COLOR_DARK_GREY }; static const struct vts_color_struct vts_colors_bt709_ycbcr_100[] = { {235, 128, 128, 255, 255, 255, 255, (235 << 8)}, {219, 16, 138, 255, 255, 255, 0, (219 << 8)}, {188, 154, 16, 255, 0, 255, 255, (188 << 8)}, {173, 42, 26, 255, 0, 255, 0, (173 << 8)}, {78, 214, 230, 255, 255, 0, 255, (78 << 8)}, {63, 102, 240, 255, 255, 0, 0, (64 << 8)}, {32, 240, 118, 255, 0, 0, 255, (32 << 8)}, {16, 128, 128, 255, 0, 0, 0, (16 << 8)}, {16, 198, 21, 255, 0, 0, 128, (16 << 8)}, /* -I ? */ {16, 235, 198, 255, 0, 128, 255, (16 << 8)}, /* +Q ? */ {0, 128, 128, 255, 0, 0, 0, 0}, {32, 128, 128, 255, 19, 19, 19, (32 << 8)}, }; static const struct vts_color_struct vts_colors_bt709_ycbcr_75[] = { {180, 128, 128, 255, 191, 191, 191, (180 << 8)}, {168, 44, 136, 255, 191, 191, 0, (168 << 8)}, {145, 147, 44, 255, 0, 191, 191, (145 << 8)}, {133, 63, 52, 255, 0, 191, 0, (133 << 8)}, {63, 193, 204, 255, 191, 0, 191, (63 << 8)}, {51, 109, 212, 255, 191, 0, 0, (51 << 8)}, {28, 212, 120, 255, 0, 0, 191, (28 << 8)}, {16, 128, 128, 255, 0, 0, 0, (16 << 8)}, {16, 198, 21, 255, 0, 0, 128, (16 << 8)}, /* -I ? */ {16, 235, 198, 255, 0, 128, 255, (16 << 8)}, /* +Q ? */ {0, 128, 128, 255, 0, 0, 0, 0}, {32, 128, 128, 255, 19, 19, 19, (32 << 8)}, }; /* 8-bit values, the selection and order of the colors is done by the drawing function */ static const struct vts_color_struct vts_colors_bt709_ycbcr_rp_219[] = { /* Pattern 1, smpte75 with 16:9 gray extensions */ {104, 128, 128, 255, 102, 102, 102, (104 << 8)}, /* row 0, 40% gray */ {180, 128, 128, 255, 191, 191, 191, (180 << 8)}, /* row 1, 75% white */ {168, 44, 136, 255, 190, 203, 8, (168 << 8)}, /* row 2, 75% yellow */ {145, 147, 44, 255, 16, 211, 189, (145 << 8)}, /* row 3, 75% cyan */ {133, 63, 52, 255, 15, 223, 5, (133 << 8)}, /* row 4, 75% green */ {63, 193, 204, 255, 176, 0, 186, (63 << 8)}, /* row 5, 75% magenta */ {51, 109, 212, 255, 175, 0, 2, (51 << 8)}, /* row 6, 75% red */ {28, 212, 120, 255, 1, 0, 183, (28 << 8)}, /* row 7, 75% blue */ /* Pattern 2 */ {188, 154, 16, 255, 22, 255, 253, (188 << 8)}, /* row 8, 100% cyan */ {235, 128, 128, 255, 255, 255, 255, (235 << 8)}, /* row 9, 100% white */ {61, 103, 157, 255, 99, 48, 15, (61 << 8)}, /* row 10, *2=+I */ {61, 153, 99, 255, 6, 66, 103, (61 << 8)}, /* row 11, *2=-I */ {32, 240, 118, 255, 3, 0, 245, (32 << 8)}, /* row 12, 100% blue */ /* Pattern 3 */ {219, 16, 138, 255, 252, 255, 10, (219 << 8)}, /* row 13, 100% yellow */ {16, 128, 128, 255, 0, 0, 0, (16 << 8)}, /* row 14, 0% black */ {35, 174, 152, 255, 60, 0, 115, (35 << 8)}, /* row 15, +Q */ {63, 102, 240, 255, 233, 0, 2, (63 << 8)}, /* row 16, 100% red */ /* Pattern 4 */ {49, 128, 128, 255, 38, 38, 38, (47 << 8)}, /* row 17, 15% gray */ {1, 128, 128, 255, 0, 0, 0, (1 << 8)}, /* row 18, sub-black valley */ {254, 128, 128, 255, 255, 255, 255, (254 << 8)}, /* row 19, super-white peak */ {12, 128, 128, 255, 0, 0, 0, (12 << 8)}, /* row 20, -2% black */ {20, 128, 128, 255, 5, 5, 5, (20 << 8)}, /* row 21, +2% black */ {25, 128, 128, 255, 10, 11, 10, (25 << 8)}, /* row 22, +4% black */ }; static const struct vts_color_struct vts_colors_bt601_ycbcr_100[] = { {235, 128, 128, 255, 255, 255, 255, (235 << 8)}, {210, 16, 146, 255, 255, 255, 0, (219 << 8)}, {170, 166, 16, 255, 0, 255, 255, (188 << 8)}, {145, 54, 34, 255, 0, 255, 0, (173 << 8)}, {106, 202, 222, 255, 255, 0, 255, (78 << 8)}, {81, 90, 240, 255, 255, 0, 0, (64 << 8)}, {41, 240, 110, 255, 0, 0, 255, (32 << 8)}, {16, 128, 128, 255, 0, 0, 0, (16 << 8)}, {16, 198, 21, 255, 0, 0, 128, (16 << 8)}, /* -I ? */ {16, 235, 198, 255, 0, 128, 255, (16 << 8)}, /* +Q ? */ {-0, 128, 128, 255, 0, 0, 0, 0}, {32, 128, 128, 255, 19, 19, 19, (32 << 8)}, }; static const struct vts_color_struct vts_colors_bt601_ycbcr_75[] = { {180, 128, 128, 255, 191, 191, 191, (180 << 8)}, {162, 44, 142, 255, 191, 191, 0, (168 << 8)}, {131, 156, 44, 255, 0, 191, 191, (145 << 8)}, {112, 72, 58, 255, 0, 191, 0, (133 << 8)}, {84, 184, 198, 255, 191, 0, 191, (63 << 8)}, {65, 100, 212, 255, 191, 0, 0, (51 << 8)}, {35, 212, 114, 255, 0, 0, 191, (28 << 8)}, {16, 128, 128, 255, 0, 0, 0, (16 << 8)}, {16, 198, 21, 255, 0, 0, 128, (16 << 8)}, /* -I ? */ {16, 235, 198, 255, 0, 128, 255, (16 << 8)}, /* +Q ? */ {-0, 128, 128, 255, 0, 0, 0, 0}, {32, 128, 128, 255, 19, 19, 19, (32 << 8)}, }; static void paint_tmpline_ARGB (paintinfo * p, int x, int w); static void paint_tmpline_AYUV (paintinfo * p, int x, int w); static void convert_hline_generic (paintinfo * p, GstVideoFrame * frame, int y); static void convert_hline_bayer (paintinfo * p, GstVideoFrame * frame, int y); #define SCALEBITS 10 #define ONE_HALF (1 << (SCALEBITS - 1)) #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5)) #define RGB_TO_Y(r, g, b) \ ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \ FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS) #define RGB_TO_U(r1, g1, b1, shift)\ (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \ FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128) #define RGB_TO_V(r1, g1, b1, shift)\ (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \ FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128) #define RGB_TO_Y_CCIR(r, g, b) \ ((FIX(0.29900*219.0/255.0) * (r) + FIX(0.58700*219.0/255.0) * (g) + \ FIX(0.11400*219.0/255.0) * (b) + (ONE_HALF + (16 << SCALEBITS))) >> SCALEBITS) #define RGB_TO_U_CCIR(r1, g1, b1, shift)\ (((- FIX(0.16874*224.0/255.0) * r1 - FIX(0.33126*224.0/255.0) * g1 + \ FIX(0.50000*224.0/255.0) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128) #define RGB_TO_V_CCIR(r1, g1, b1, shift)\ (((FIX(0.50000*224.0/255.0) * r1 - FIX(0.41869*224.0/255.0) * g1 - \ FIX(0.08131*224.0/255.0) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128) #define RGB_TO_Y_CCIR_709(r, g, b) \ ((FIX(0.212600*219.0/255.0) * (r) + FIX(0.715200*219.0/255.0) * (g) + \ FIX(0.072200*219.0/255.0) * (b) + (ONE_HALF + (16 << SCALEBITS))) >> SCALEBITS) #define RGB_TO_U_CCIR_709(r1, g1, b1, shift)\ (((- FIX(0.114572*224.0/255.0) * r1 - FIX(0.385427*224.0/255.0) * g1 + \ FIX(0.50000*224.0/255.0) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128) #define RGB_TO_V_CCIR_709(r1, g1, b1, shift)\ (((FIX(0.50000*224.0/255.0) * r1 - FIX(0.454153*224.0/255.0) * g1 - \ FIX(0.045847*224.0/255.0) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128) static void videotestsrc_setup_paintinfo (GstVideoTestSrc * v, paintinfo * p, int w, int h) { gint a, r, g, b; gint width; GstVideoInfo *info = &v->info; width = GST_VIDEO_INFO_WIDTH (info); if (info->colorimetry.matrix == GST_VIDEO_COLOR_MATRIX_BT601) { p->colors = vts_colors_bt601_ycbcr_100; } else { p->colors = vts_colors_bt709_ycbcr_100; } if (v->bayer) { p->paint_tmpline = paint_tmpline_ARGB; p->convert_tmpline = convert_hline_bayer; } else { p->convert_tmpline = convert_hline_generic; if (GST_VIDEO_INFO_IS_RGB (info)) { p->paint_tmpline = paint_tmpline_ARGB; } else { p->paint_tmpline = paint_tmpline_AYUV; } } p->tmpline = v->tmpline; p->tmpline2 = v->tmpline2; p->tmpline_u8 = v->tmpline_u8; p->tmpline_u16 = v->tmpline_u16; p->n_lines = v->n_lines; p->offset = v->offset; p->lines = v->lines; p->x_offset = (v->horizontal_speed * v->n_frames) % width; if (p->x_offset < 0) p->x_offset += width; p->x_invert = v->x_invert; p->y_invert = v->y_invert; a = (v->foreground_color >> 24) & 0xff; r = (v->foreground_color >> 16) & 0xff; g = (v->foreground_color >> 8) & 0xff; b = (v->foreground_color >> 0) & 0xff; p->foreground_color.A = a; p->foreground_color.R = r; p->foreground_color.G = g; p->foreground_color.B = b; if (info->colorimetry.matrix == GST_VIDEO_COLOR_MATRIX_BT601) { p->foreground_color.Y = RGB_TO_Y_CCIR (r, g, b); p->foreground_color.U = RGB_TO_U_CCIR (r, g, b, 0); p->foreground_color.V = RGB_TO_V_CCIR (r, g, b, 0); } else { p->foreground_color.Y = RGB_TO_Y_CCIR_709 (r, g, b); p->foreground_color.U = RGB_TO_U_CCIR_709 (r, g, b, 0); p->foreground_color.V = RGB_TO_V_CCIR_709 (r, g, b, 0); } p->foreground_color.gray = RGB_TO_Y (r, g, b); a = (v->background_color >> 24) & 0xff; r = (v->background_color >> 16) & 0xff; g = (v->background_color >> 8) & 0xff; b = (v->background_color >> 0) & 0xff; p->background_color.A = a; p->background_color.R = r; p->background_color.G = g; p->background_color.B = b; if (info->colorimetry.matrix == GST_VIDEO_COLOR_MATRIX_BT601) { p->background_color.Y = RGB_TO_Y_CCIR (r, g, b); p->background_color.U = RGB_TO_U_CCIR (r, g, b, 0); p->background_color.V = RGB_TO_V_CCIR (r, g, b, 0); } else { p->background_color.Y = RGB_TO_Y_CCIR_709 (r, g, b); p->background_color.U = RGB_TO_U_CCIR_709 (r, g, b, 0); p->background_color.V = RGB_TO_V_CCIR_709 (r, g, b, 0); } p->background_color.gray = RGB_TO_Y (r, g, b); p->subsample = v->subsample; } static void videotestsrc_convert_tmpline (paintinfo * p, GstVideoFrame * frame, int j) { int x = p->x_offset; int i; int width = frame->info.width; int height = frame->info.height; int n_lines = p->n_lines; int offset = p->offset; guint8 *tmpline = p->tmpline, *tmpline2 = p->tmpline2; /* `tmpline2` is only used here and when the shift amount `x` is * non-zero, which only applies when `horizontal-speed` is set. * * Instead of copying the rotated line back to `tmpline` for * `p->convert_tmpline` to use, swap the pointers briefly. Besides * being cheaper, this also lets us reuse the painted `tmpline` for * subsequent lines. */ if (x != 0) { memcpy (tmpline2, tmpline + x * 4, (width - x) * 4); memcpy (tmpline2 + (width - x) * 4, tmpline, x * 4); p->tmpline = tmpline2; p->tmpline2 = tmpline; } for (i = width; i < width + 5; i++) { p->tmpline[4 * i + 0] = p->tmpline[4 * (width - 1) + 0]; p->tmpline[4 * i + 1] = p->tmpline[4 * (width - 1) + 1]; p->tmpline[4 * i + 2] = p->tmpline[4 * (width - 1) + 2]; p->tmpline[4 * i + 3] = p->tmpline[4 * (width - 1) + 3]; } p->convert_tmpline (p, frame, j); if (j == height - 1) { while (j % n_lines - offset != n_lines - 1) { j++; p->convert_tmpline (p, frame, j); } } if (x != 0) { p->tmpline = tmpline; p->tmpline2 = tmpline2; } } #define BLEND1(a,b,x) ((a)*(x) + (b)*(255-(x))) #define DIV255(x) (((x) + (((x)+128)>>8) + 128)>>8) #define BLEND(a,b,x) DIV255(BLEND1(a,b,x)) #ifdef unused static void videotestsrc_blend_color (struct vts_color_struct *dest, struct vts_color_struct *a, struct vts_color_struct *b, int x) { dest->Y = BLEND (a->Y, b->Y, x); dest->U = BLEND (a->U, b->U, x); dest->V = BLEND (a->V, b->V, x); dest->R = BLEND (a->R, b->R, x); dest->G = BLEND (a->G, b->G, x); dest->B = BLEND (a->B, b->B, x); dest->gray = BLEND (a->gray, b->gray, x); } #endif static void videotestsrc_blend_line (GstVideoTestSrc * v, guint8 * dest, const guint8 * src, const struct vts_color_struct *a, const struct vts_color_struct *b, int x1, int x2) { int i; if (v->bayer || GST_VIDEO_INFO_IS_RGB (&v->info)) { for (i = x1; i < x2; i++) { dest[i * 4 + 0] = BLEND (a->A, b->A, src[i]); dest[i * 4 + 1] = BLEND (a->R, b->R, src[i]); dest[i * 4 + 2] = BLEND (a->G, b->G, src[i]); dest[i * 4 + 3] = BLEND (a->B, b->B, src[i]); } } else { for (i = x1; i < x2; i++) { dest[i * 4 + 0] = BLEND (a->A, b->A, src[i]); dest[i * 4 + 1] = BLEND (a->Y, b->Y, src[i]); dest[i * 4 + 2] = BLEND (a->U, b->U, src[i]); dest[i * 4 + 3] = BLEND (a->V, b->V, src[i]); } } #undef BLEND } void gst_video_test_src_smpte (GstVideoTestSrc * v, GstClockTime pts, GstVideoFrame * frame) { int i; int y1, y2; int j; paintinfo pi = PAINT_INFO_INIT; paintinfo *p = π int w = frame->info.width, h = frame->info.height; videotestsrc_setup_paintinfo (v, p, w, h); y1 = 2 * h / 3; y2 = 3 * h / 4; /* color bars */ for (j = 0; j < y1; j++) { for (i = 0; i < 7; i++) { int x1 = i * w / 7; int x2 = (i + 1) * w / 7; p->color = p->colors + i; p->paint_tmpline (p, x1, (x2 - x1)); } videotestsrc_convert_tmpline (p, frame, j); } /* inverse blue bars */ for (j = y1; j < y2; j++) { for (i = 0; i < 7; i++) { int x1 = i * w / 7; int x2 = (i + 1) * w / 7; int k; if (i & 1) { k = 7; } else { k = 6 - i; } p->color = p->colors + k; p->paint_tmpline (p, x1, (x2 - x1)); } videotestsrc_convert_tmpline (p, frame, j); } for (j = y2; j < h; j++) { /* -I, white, Q regions */ for (i = 0; i < 3; i++) { int x1 = i * w / 6; int x2 = (i + 1) * w / 6; int k; if (i == 0) { k = 8; } else if (i == 1) { k = 0; } else k = 9; p->color = p->colors + k; p->paint_tmpline (p, x1, (x2 - x1)); } /* superblack, black, dark grey */ for (i = 0; i < 3; i++) { int x1 = w / 2 + i * w / 12; int x2 = w / 2 + (i + 1) * w / 12; int k; if (i == 0) { k = COLOR_SUPER_BLACK; } else if (i == 1) { k = COLOR_BLACK; } else k = COLOR_DARK_GREY; p->color = p->colors + k; p->paint_tmpline (p, x1, (x2 - x1)); } { int x1 = w * 3 / 4; struct vts_color_struct color; color = p->colors[COLOR_BLACK]; p->color = &color; for (i = x1; i < w; i++) { int y = random_char (&v->random_state); p->tmpline_u8[i] = y; } videotestsrc_blend_line (v, p->tmpline, p->tmpline_u8, &p->foreground_color, &p->background_color, x1, w); } videotestsrc_convert_tmpline (p, frame, j); } } void gst_video_test_src_smpte_rp_219 (GstVideoTestSrc * v, GstClockTime pts, GstVideoFrame * frame) { /* heights */ int b, b1; int bs[6]; /* bottom-half 6 rows */ /* widths */ int a, d, k, g, h, m, k1, k2, g1, g2; int cs[7]; /* 'c's and 'f's */ int ij[5]; /* parts of 'x' and 'y' */ int x, y, x1, x2, y1, y2; paintinfo pi = PAINT_INFO_INIT; paintinfo *p = π a = frame->info.width; b = frame->info.height; videotestsrc_setup_paintinfo (v, p, a, b); p->colors = vts_colors_bt709_ycbcr_rp_219; /* heights */ { /* error distribution for the bottom 6 rows * x.e., pattern 1 is always shorter when b%12 != 0 */ static const int b12_err[6][6] = { {0, 0, 0, 0, 0, 0}, {0, 1, 0, 0, 0, 0}, {0, 1, 1, 0, 0, 0}, {0, 0, 0, 1, 1, 1}, {0, 1, 1, 1, 0, 1}, {0, 1, 1, 1, 1, 1}, }; int b2, b12, b12_r, x; b1 = b / 2; b2 = b - b1; b12 = b2 / 6; b12_r = b2 % 6; for (x = 0; x < 6; x++) { bs[x] = b12 + b12_err[b12_r][x]; } } /* widths */ { /* error distribution for 'c' columns */ static const int c_w_err[7][7] = { {0, 0, 0, 0, 0, 0, 0}, {0, 0, 0, 1, 0, 0, 0}, {1, 0, 0, 0, 0, 0, 1}, {0, 1, 0, 1, 0, 1, 0}, {1, 0, 1, 0, 1, 0, 1}, {0, 1, 1, 1, 1, 1, 0}, {1, 1, 1, 0, 1, 1, 1} }; /* error distribution for 'x' column in pattern 4 */ static const int i_err[3][3] = { {0, 0, 0}, {0, 1, 0}, {1, 0, 1} }; int a34, c, cr, kg, dkg, hijm, hijmd, c3, c3r, i; d = a / 8; a34 = a - 2 * d; /* 'c's and 'f's */ c = a34 / 7; cr = a34 % 7; for (i = 0; i < 7; i++) { cs[i] = c + c_w_err[cr][i]; } dkg = a / 2; hijmd = a - dkg; kg = dkg - d; g = cs[0] + cs[1]; k = kg - g; k1 = k / 2; k2 = k - k1; g1 = g / 2; g2 = g - g1; hijm = hijmd - d; /* i = c = 3 * c3 */ c3 = cs[5] / 3; c3r = cs[5] % 3; for (i = 0; i < 3; i++) { ij[i] = c3 + i_err[c3r][i]; } ij[3] = ij[1]; ij[4] = ij[2]; m = cs[5]; /* m = c */ h = hijm - ij[0] - ij[1] - ij[2] - ij[3] - ij[4] - m; } /* pattern 1 */ x1 = 0; x2 = d; /* 'd' bar size */ p->color = p->colors; /* 40% gray */ p->paint_tmpline (p, x1, (x2 - x1)); x1 = x2; x2 = x1 + cs[0]; /* 'f' bar size */ p->color = p->colors + 1; /* 75% white */ p->paint_tmpline (p, x1, (x2 - x1)); x1 = x2; x2 = x1 + cs[1]; /* 'c' bar size */ p->color = p->colors + 2; /* 75% yellow */ p->paint_tmpline (p, x1, (x2 - x1)); x1 = x2; x2 = x1 + cs[2]; /* 'c' bar size */ p->color = p->colors + 3; /* 75% cyan */ p->paint_tmpline (p, x1, (x2 - x1)); x1 = x2; x2 = x1 + cs[3]; /* 'c' bar size */ p->color = p->colors + 4; /* 75% green */ p->paint_tmpline (p, x1, (x2 - x1)); x1 = x2; x2 = x1 + cs[4]; /* 'c' bar size */ p->color = p->colors + 5; /* 75% magenta */ p->paint_tmpline (p, x1, (x2 - x1)); x1 = x2; x2 = x1 + cs[5]; /* 'c' bar size */ p->color = p->colors + 6; /* 75% red */ p->paint_tmpline (p, x1, (x2 - x1)); x1 = x2; x2 = x1 + cs[6]; /* 'f' bar size */ p->color = p->colors + 7; /* 75% blue */ p->paint_tmpline (p, x1, (x2 - x1)); x1 = x2; x2 = x1 + d; /* 'd' bar size */ p->color = p->colors; /* 40% gray */ p->paint_tmpline (p, x1, (x2 - x1)); y1 = 0; y2 = b1 + bs[0]; for (y = y1; y < y2; y++) videotestsrc_convert_tmpline (p, frame, y); /* pattern 2 */ x1 = 0; x2 = d; p->color = p->colors + 8; /* 100% cyan */ p->paint_tmpline (p, x1, (x2 - x1)); x1 = x2; x2 = x1 + cs[0]; p->color = p->colors + 11; /* *2: -I, +Q in *3 */ p->paint_tmpline (p, x1, (x2 - x1)); x1 = x2; x2 = x1 + cs[1] + cs[2] + cs[3] + cs[4] + cs[5] + cs[6]; p->color = p->colors + 1; /* 75% white */ p->paint_tmpline (p, x1, (x2 - x1)); x1 = x2; x2 = x1 + d; p->color = p->colors + 12; /* 100% blue */ p->paint_tmpline (p, x1, (x2 - x1)); y1 = y2; y2 = y1 + bs[1]; for (y = y1; y < y2; y++) videotestsrc_convert_tmpline (p, frame, y); /* pattern 3 */ x1 = 0; x2 = d; p->color = p->colors + 13; /* 100% yellow */ p->paint_tmpline (p, x1, (x2 - x1)); x1 = x2; x2 = x1 + cs[0]; p->color = p->colors + 15; /* *3: +Q, -I in *2 */ p->paint_tmpline (p, x1, (x2 - x1)); /* Y-Ramp, from row 14 to row 9 */ x1 = x2; x2 = x1 + cs[1] + cs[2] + cs[3] + cs[4] + cs[5]; for (x = x1; x < x2; x++) p->tmpline_u8[x] = 255 * (x - x1) / (x2 - x1); videotestsrc_blend_line (v, p->tmpline, p->tmpline_u8, p->colors + 9, p->colors + 14, x1, x2); x1 = x2; x2 = x1 + cs[6]; p->color = p->colors + 9; /* 100% white */ p->paint_tmpline (p, x1, (x2 - x1)); x1 = x2; x2 = x1 + d; p->color = p->colors + 16; /* 100% red */ p->paint_tmpline (p, x1, (x2 - x1)); y1 = y2; y2 = y1 + bs[2]; for (y = y1; y < y2; y++) videotestsrc_convert_tmpline (p, frame, y); /* pattern 4, subdivision 1 */ x1 = 0; x2 = d; p->color = p->colors + 17; /* *4: 15% gray */ p->paint_tmpline (p, x1, (x2 - x1)); x1 = x2; x2 = x1 + k; /* 3 sub divisions */ p->color = p->colors + 14; /* 0% black */ p->paint_tmpline (p, x1, (x2 - x1)); x1 = x2; x2 = x1 + g; /* 3 sub divisions */ p->color = p->colors + 9; /* 100% white */ p->paint_tmpline (p, x1, (x2 - x1)); x1 = x2; x2 = x1 + h; p->color = p->colors + 14; /* 0% black */ p->paint_tmpline (p, x1, (x2 - x1)); x1 = x2; x2 = x1 + ij[0]; p->color = p->colors + 20; /* -2% black */ p->paint_tmpline (p, x1, (x2 - x1)); x1 = x2; x2 = x1 + ij[1]; p->color = p->colors + 14; /* 0% black */ p->paint_tmpline (p, x1, (x2 - x1)); x1 = x2; x2 = x1 + ij[2]; p->color = p->colors + 21; /* +2% black */ p->paint_tmpline (p, x1, (x2 - x1)); x1 = x2; x2 = x1 + ij[3]; p->color = p->colors + 20; /* 0% black */ p->paint_tmpline (p, x1, (x2 - x1)); x1 = x2; x2 = x1 + ij[4]; p->color = p->colors + 22; /* +4% black */ p->paint_tmpline (p, x1, (x2 - x1)); x1 = x2; x2 = x1 + m; p->color = p->colors + 14; /* 0% black */ p->paint_tmpline (p, x1, (x2 - x1)); x1 = x2; x2 = x1 + d; p->color = p->colors + 17; /* *4: 15% gray */ p->paint_tmpline (p, x1, (x2 - x1)); y1 = y2; y2 = y1 + bs[3]; for (y = y1; y < y2; y++) videotestsrc_convert_tmpline (p, frame, y); /* pattern 4, subdivision 2 */ /* *5: sub-black valley, from row 14 to row 18 (first half) */ x1 = d; x2 = x1 + k1; for (x = x1; x < x2; x++) p->tmpline_u8[x] = 255 * (x - x1) / (x2 - x1); videotestsrc_blend_line (v, p->tmpline, p->tmpline_u8, p->colors + 18, p->colors + 14, x1, x2); /* *5: sub-black valley, from row 18 to row 14 (second half) */ x1 = x2; x2 = x1 + k2; for (x = x1; x < x2; x++) p->tmpline_u8[x] = 255 * (x - x1) / (x2 - x1); videotestsrc_blend_line (v, p->tmpline, p->tmpline_u8, p->colors + 14, p->colors + 18, x1, x2); /* *6: super-white peak, from row 9 to row 19 (first half) */ x1 = x2; x2 = x1 + g1; for (x = x1; x < x2; x++) p->tmpline_u8[x] = 255 * (x - x1) / (x2 - x1); videotestsrc_blend_line (v, p->tmpline, p->tmpline_u8, p->colors + 19, p->colors + 9, x1, x2); /* *6: super-white peak, from row 19 to row 9 (second half) */ x1 = x2; x2 = x1 + g2; for (x = x1; x < x2; x++) p->tmpline_u8[x] = 255 * (x - x1) / (x2 - x1); videotestsrc_blend_line (v, p->tmpline, p->tmpline_u8, p->colors + 9, p->colors + 19, x1, x2); y1 = y2; y2 = y1 + bs[4]; for (y = y1; y < y2; y++) videotestsrc_convert_tmpline (p, frame, y); /* pattern 4, subdivision 3 */ x1 = d; x2 = x1 + k; p->color = p->colors + 14; /* 0% black */ p->paint_tmpline (p, x1, (x2 - x1)); x1 = x2; x2 = x1 + g; p->color = p->colors + 9; /* 100% white */ p->paint_tmpline (p, x1, (x2 - x1)); y1 = y2; y2 = y1 + bs[5]; for (y = y1; y < y2; y++) videotestsrc_convert_tmpline (p, frame, y); } void gst_video_test_src_smpte75 (GstVideoTestSrc * v, GstClockTime pts, GstVideoFrame * frame) { int i; int j; paintinfo pi = PAINT_INFO_INIT; paintinfo *p = π int w = frame->info.width, h = frame->info.height; videotestsrc_setup_paintinfo (v, p, w, h); if (v->info.colorimetry.matrix == GST_VIDEO_COLOR_MATRIX_BT601) { p->colors = vts_colors_bt601_ycbcr_75; } else { p->colors = vts_colors_bt709_ycbcr_75; } /* color bars */ for (j = 0; j < h; j++) { for (i = 0; i < 7; i++) { int x1 = i * w / 7; int x2 = (i + 1) * w / 7; p->color = p->colors + i; p->paint_tmpline (p, x1, (x2 - x1)); } videotestsrc_convert_tmpline (p, frame, j); } } void gst_video_test_src_smpte100 (GstVideoTestSrc * v, GstClockTime pts, GstVideoFrame * frame) { int i; int j; paintinfo pi = PAINT_INFO_INIT; paintinfo *p = π int w = frame->info.width, h = frame->info.height; videotestsrc_setup_paintinfo (v, p, w, h); /* color bars */ for (j = 0; j < h; j++) { for (i = 0; i < 7; i++) { int x1 = i * w / 7; int x2 = (i + 1) * w / 7; p->color = p->colors + i; p->paint_tmpline (p, x1, (x2 - x1)); } videotestsrc_convert_tmpline (p, frame, j); } } void gst_video_test_src_bar (GstVideoTestSrc * v, GstClockTime pts, GstVideoFrame * frame) { int j; paintinfo pi = PAINT_INFO_INIT; paintinfo *p = π int w = frame->info.width, h = frame->info.height; videotestsrc_setup_paintinfo (v, p, w, h); for (j = 0; j < h; j++) { /* use fixed size for now */ int x2 = w / 7; p->color = &p->foreground_color; p->paint_tmpline (p, 0, x2); p->color = &p->background_color; p->paint_tmpline (p, x2, (w - x2)); videotestsrc_convert_tmpline (p, frame, j); } } void gst_video_test_src_snow (GstVideoTestSrc * v, GstClockTime pts, GstVideoFrame * frame) { int i; int j; paintinfo pi = PAINT_INFO_INIT; paintinfo *p = π struct vts_color_struct color; int w = frame->info.width, h = frame->info.height; videotestsrc_setup_paintinfo (v, p, w, h); color = p->colors[COLOR_BLACK]; p->color = &color; for (j = 0; j < h; j++) { for (i = 0; i < w; i++) { int y = random_char (&v->random_state); p->tmpline_u8[i] = y; } videotestsrc_blend_line (v, p->tmpline, p->tmpline_u8, &p->foreground_color, &p->background_color, 0, w); videotestsrc_convert_tmpline (p, frame, j); } } static void gst_video_test_src_unicolor (GstVideoTestSrc * v, GstVideoFrame * frame, int color_index) { int i; paintinfo pi = PAINT_INFO_INIT; paintinfo *p = π int w = frame->info.width, h = frame->info.height; videotestsrc_setup_paintinfo (v, p, w, h); p->color = p->colors + color_index; if (color_index == COLOR_BLACK) { p->color = &p->background_color; } if (color_index == COLOR_WHITE) { p->color = &p->foreground_color; } for (i = 0; i < h; i++) { p->paint_tmpline (p, 0, w); videotestsrc_convert_tmpline (p, frame, i); } } void gst_video_test_src_black (GstVideoTestSrc * v, GstClockTime pts, GstVideoFrame * frame) { gst_video_test_src_unicolor (v, frame, COLOR_BLACK); } void gst_video_test_src_white (GstVideoTestSrc * v, GstClockTime pts, GstVideoFrame * frame) { gst_video_test_src_unicolor (v, frame, COLOR_WHITE); } void gst_video_test_src_red (GstVideoTestSrc * v, GstClockTime pts, GstVideoFrame * frame) { gst_video_test_src_unicolor (v, frame, COLOR_RED); } void gst_video_test_src_green (GstVideoTestSrc * v, GstClockTime pts, GstVideoFrame * frame) { gst_video_test_src_unicolor (v, frame, COLOR_GREEN); } void gst_video_test_src_blue (GstVideoTestSrc * v, GstClockTime pts, GstVideoFrame * frame) { gst_video_test_src_unicolor (v, frame, COLOR_BLUE); } void gst_video_test_src_blink (GstVideoTestSrc * v, GstClockTime pts, GstVideoFrame * frame) { int i; paintinfo pi = PAINT_INFO_INIT; paintinfo *p = π int w = frame->info.width, h = frame->info.height; videotestsrc_setup_paintinfo (v, p, w, h); if (v->n_frames & 1) { p->color = &p->foreground_color; } else { p->color = &p->background_color; } for (i = 0; i < h; i++) { p->paint_tmpline (p, 0, w); videotestsrc_convert_tmpline (p, frame, i); } } void gst_video_test_src_solid (GstVideoTestSrc * v, GstClockTime pts, GstVideoFrame * frame) { int i; paintinfo pi = PAINT_INFO_INIT; paintinfo *p = π int w = frame->info.width, h = frame->info.height; videotestsrc_setup_paintinfo (v, p, w, h); p->color = &p->foreground_color; for (i = 0; i < h; i++) { p->paint_tmpline (p, 0, w); videotestsrc_convert_tmpline (p, frame, i); } } void gst_video_test_src_checkers1 (GstVideoTestSrc * v, GstClockTime pts, GstVideoFrame * frame) { int x, y; paintinfo pi = PAINT_INFO_INIT; paintinfo *p = π int w = frame->info.width, h = frame->info.height; videotestsrc_setup_paintinfo (v, p, w, h); for (y = 0; y < h; y++) { for (x = 0; x < w; x++) { if ((x ^ y) & 1) { p->color = p->colors + COLOR_GREEN; } else { p->color = p->colors + COLOR_RED; } p->paint_tmpline (p, x, 1); } videotestsrc_convert_tmpline (p, frame, y); } } void gst_video_test_src_checkers2 (GstVideoTestSrc * v, GstClockTime pts, GstVideoFrame * frame) { int x, y; paintinfo pi = PAINT_INFO_INIT; paintinfo *p = π int w = frame->info.width, h = frame->info.height; videotestsrc_setup_paintinfo (v, p, w, h); for (y = 0; y < h; y++) { for (x = 0; x < w; x += 2) { guint len = MIN (2, w - x); if ((x ^ y) & 2) { p->color = p->colors + COLOR_GREEN; } else { p->color = p->colors + COLOR_RED; } p->paint_tmpline (p, x, len); } videotestsrc_convert_tmpline (p, frame, y); } } void gst_video_test_src_checkers4 (GstVideoTestSrc * v, GstClockTime pts, GstVideoFrame * frame) { int x, y; paintinfo pi = PAINT_INFO_INIT; paintinfo *p = π int w = frame->info.width, h = frame->info.height; videotestsrc_setup_paintinfo (v, p, w, h); for (y = 0; y < h; y++) { for (x = 0; x < w; x += 4) { guint len = MIN (4, w - x); if ((x ^ y) & 4) { p->color = p->colors + COLOR_GREEN; } else { p->color = p->colors + COLOR_RED; } p->paint_tmpline (p, x, len); } videotestsrc_convert_tmpline (p, frame, y); } } void gst_video_test_src_checkers8 (GstVideoTestSrc * v, GstClockTime pts, GstVideoFrame * frame) { int x, y; paintinfo pi = PAINT_INFO_INIT; paintinfo *p = π int w = frame->info.width, h = frame->info.height; videotestsrc_setup_paintinfo (v, p, w, h); for (y = 0; y < h; y++) { for (x = 0; x < w; x += 8) { guint len = MIN (8, w - x); if ((x ^ y) & 8) { p->color = p->colors + COLOR_GREEN; } else { p->color = p->colors + COLOR_RED; } p->paint_tmpline (p, x, len); } videotestsrc_convert_tmpline (p, frame, y); } } static const guint8 sine_table[256] = { 128, 131, 134, 137, 140, 143, 146, 149, 152, 156, 159, 162, 165, 168, 171, 174, 176, 179, 182, 185, 188, 191, 193, 196, 199, 201, 204, 206, 209, 211, 213, 216, 218, 220, 222, 224, 226, 228, 230, 232, 234, 236, 237, 239, 240, 242, 243, 245, 246, 247, 248, 249, 250, 251, 252, 252, 253, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 254, 254, 253, 252, 252, 251, 250, 249, 248, 247, 246, 245, 243, 242, 240, 239, 237, 236, 234, 232, 230, 228, 226, 224, 222, 220, 218, 216, 213, 211, 209, 206, 204, 201, 199, 196, 193, 191, 188, 185, 182, 179, 176, 174, 171, 168, 165, 162, 159, 156, 152, 149, 146, 143, 140, 137, 134, 131, 128, 124, 121, 118, 115, 112, 109, 106, 103, 99, 96, 93, 90, 87, 84, 81, 79, 76, 73, 70, 67, 64, 62, 59, 56, 54, 51, 49, 46, 44, 42, 39, 37, 35, 33, 31, 29, 27, 25, 23, 21, 19, 18, 16, 15, 13, 12, 10, 9, 8, 7, 6, 5, 4, 3, 3, 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 2, 3, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 15, 16, 18, 19, 21, 23, 25, 27, 29, 31, 33, 35, 37, 39, 42, 44, 46, 49, 51, 54, 56, 59, 62, 64, 67, 70, 73, 76, 79, 81, 84, 87, 90, 93, 96, 99, 103, 106, 109, 112, 115, 118, 121, 124 }; void gst_video_test_src_zoneplate (GstVideoTestSrc * v, GstClockTime pts, GstVideoFrame * frame) { int i; int j; paintinfo pi = PAINT_INFO_INIT; paintinfo *p = π struct vts_color_struct color; int t = v->n_frames; int w = frame->info.width, h = frame->info.height; int xreset = -(w / 2) - v->xoffset; /* starting values for x^2 and y^2, centering the ellipse */ int yreset = -(h / 2) - v->yoffset; int x, y; int accum_kx; int accum_kxt; int accum_ky; int accum_kyt; int accum_kxy; int kt; int kt2; int ky2; int delta_kxt = v->kxt * t; int delta_kxy; int scale_kxy = 0xffff / (w / 2); int scale_kx2 = 0xffff / w; videotestsrc_setup_paintinfo (v, p, w, h); color = p->colors[COLOR_BLACK]; p->color = &color; /* Zoneplate equation: * * phase = k0 + kx*x + ky*y + kt*t * + kxt*x*t + kyt*y*t + kxy*x*y * + kx2*x*x + ky2*y*y + Kt2*t*t */ #if 0 for (j = 0, y = yreset; j < h; j++, y++) { for (i = 0, x = xreset; i < w; i++, x++) { /* zero order */ int phase = v->k0; /* first order */ phase = phase + (v->kx * i) + (v->ky * j) + (v->kt * t); /* cross term */ /* phase = phase + (v->kxt * i * t) + (v->kyt * j * t); */ /* phase = phase + (v->kxy * x * y) / (w/2); */ /*second order */ /*normalise x/y terms to rate of change of phase at the picture edge */ phase = phase + ((v->kx2 * x * x) / w) + ((v->ky2 * y * y) / h) + ((v->kt2 * t * t) >> 1); color.Y = sine_table[phase & 0xff]; color.R = color.Y; color.G = color.Y; color.B = color.Y; p->paint_tmpline (p, i, 1); } } #endif /* optimised version, with original code shown in comments */ accum_ky = 0; accum_kyt = 0; kt = v->kt * t; kt2 = v->kt2 * t * t; for (j = 0, y = yreset; j < h; j++, y++) { accum_kx = 0; accum_kxt = 0; accum_ky += v->ky; accum_kyt += v->kyt * t; delta_kxy = v->kxy * y * scale_kxy; accum_kxy = delta_kxy * xreset; ky2 = (v->ky2 * y * y) / h; for (i = 0, x = xreset; i < w; i++, x++) { /* zero order */ int phase = v->k0; /* first order */ accum_kx += v->kx; /* phase = phase + (v->kx * i) + (v->ky * j) + (v->kt * t); */ phase = phase + accum_kx + accum_ky + kt; /* cross term */ accum_kxt += delta_kxt; accum_kxy += delta_kxy; /* phase = phase + (v->kxt * i * t) + (v->kyt * j * t); */ phase = phase + accum_kxt + accum_kyt; /* phase = phase + (v->kxy * x * y) / (w/2); */ /* phase = phase + accum_kxy / (w/2); */ phase = phase + (accum_kxy >> 16); /*second order */ /*normalise x/y terms to rate of change of phase at the picture edge */ /*phase = phase + ((v->kx2 * x * x)/w) + ((v->ky2 * y * y)/h) + ((v->kt2 * t * t)>>1); */ phase = phase + ((v->kx2 * x * x * scale_kx2) >> 16) + ky2 + (kt2 >> 1); p->tmpline_u8[i] = sine_table[phase & 0xff]; } videotestsrc_blend_line (v, p->tmpline, p->tmpline_u8, &p->foreground_color, &p->background_color, 0, w); videotestsrc_convert_tmpline (p, frame, j); } } void gst_video_test_src_chromazoneplate (GstVideoTestSrc * v, GstClockTime pts, GstVideoFrame * frame) { int i; int j; paintinfo pi = PAINT_INFO_INIT; paintinfo *p = π struct vts_color_struct color; int t = v->n_frames; int w = frame->info.width, h = frame->info.height; int xreset = -(w / 2) - v->xoffset; /* starting values for x^2 and y^2, centering the ellipse */ int yreset = -(h / 2) - v->yoffset; int x, y; int accum_kx; int accum_kxt; int accum_ky; int accum_kyt; int accum_kxy; int kt; int kt2; int ky2; int delta_kxt = v->kxt * t; int delta_kxy; int scale_kxy = 0xffff / (w / 2); int scale_kx2 = 0xffff / w; videotestsrc_setup_paintinfo (v, p, w, h); color = p->colors[COLOR_BLACK]; p->color = &color; /* Zoneplate equation: * * phase = k0 + kx*x + ky*y + kt*t * + kxt*x*t + kyt*y*t + kxy*x*y * + kx2*x*x + ky2*y*y + Kt2*t*t */ /* optimised version, with original code shown in comments */ accum_ky = 0; accum_kyt = 0; kt = v->kt * t; kt2 = v->kt2 * t * t; for (j = 0, y = yreset; j < h; j++, y++) { accum_kx = 0; accum_kxt = 0; accum_ky += v->ky; accum_kyt += v->kyt * t; delta_kxy = v->kxy * y * scale_kxy; accum_kxy = delta_kxy * xreset; ky2 = (v->ky2 * y * y) / h; for (i = 0, x = xreset; i < w; i++, x++) { /* zero order */ int phase = v->k0; /* first order */ accum_kx += v->kx; /* phase = phase + (v->kx * i) + (v->ky * j) + (v->kt * t); */ phase = phase + accum_kx + accum_ky + kt; /* cross term */ accum_kxt += delta_kxt; accum_kxy += delta_kxy; /* phase = phase + (v->kxt * i * t) + (v->kyt * j * t); */ phase = phase + accum_kxt + accum_kyt; /* phase = phase + (v->kxy * x * y) / (w/2); */ /* phase = phase + accum_kxy / (w/2); */ phase = phase + (accum_kxy >> 16); /*second order */ /*normalise x/y terms to rate of change of phase at the picture edge */ /*phase = phase + ((v->kx2 * x * x)/w) + ((v->ky2 * y * y)/h) + ((v->kt2 * t * t)>>1); */ phase = phase + ((v->kx2 * x * x * scale_kx2) >> 16) + ky2 + (kt2 >> 1); color.Y = 128; color.U = sine_table[phase & 0xff]; color.V = sine_table[phase & 0xff]; color.R = 128; color.G = 128; color.B = color.V; color.gray = color.Y << 8; p->paint_tmpline (p, i, 1); } videotestsrc_convert_tmpline (p, frame, j); } } #undef SCALE_AMPLITUDE void gst_video_test_src_circular (GstVideoTestSrc * v, GstClockTime pts, GstVideoFrame * frame) { int i; int j; paintinfo pi = PAINT_INFO_INIT; paintinfo *p = π double freq[8]; int w = frame->info.width, h = frame->info.height; int d; videotestsrc_setup_paintinfo (v, p, w, h); for (i = 1; i < 8; i++) { freq[i] = 200 * pow (2.0, -(i - 1) / 4.0); } for (j = 0; j < h; j++) { for (i = 0; i < w; i++) { double dist; int seg; dist = sqrt ((2 * i - w) * (2 * i - w) + (2 * j - h) * (2 * j - h)) / (2 * w); seg = floor (dist * 16); if (seg == 0 || seg >= 8) { p->tmpline_u8[i] = 0; } else { d = floor (256 * dist * freq[seg] + 0.5); p->tmpline_u8[i] = sine_table[d & 0xff]; } } videotestsrc_blend_line (v, p->tmpline, p->tmpline_u8, &p->foreground_color, &p->background_color, 0, w); videotestsrc_convert_tmpline (p, frame, j); } } void gst_video_test_src_gamut (GstVideoTestSrc * v, GstClockTime pts, GstVideoFrame * frame) { int x, y; paintinfo pi = PAINT_INFO_INIT; paintinfo *p = π struct vts_color_struct yuv_primary; struct vts_color_struct yuv_secondary; int w = frame->info.width, h = frame->info.height; videotestsrc_setup_paintinfo (v, p, w, h); for (y = 0; y < h; y++) { int region = (y * 4) / h; switch (region) { case 0: /* black */ yuv_primary = p->colors[COLOR_BLACK]; yuv_secondary = p->colors[COLOR_BLACK]; yuv_secondary.Y = 0; break; case 1: yuv_primary = p->colors[COLOR_WHITE]; yuv_secondary = p->colors[COLOR_WHITE]; yuv_secondary.Y = 255; break; case 2: yuv_primary = p->colors[COLOR_RED]; yuv_secondary = p->colors[COLOR_RED]; yuv_secondary.V = 255; break; case 3: yuv_primary = p->colors[COLOR_BLUE]; yuv_secondary = p->colors[COLOR_BLUE]; yuv_secondary.U = 255; break; } for (x = 0; x < w; x += 8) { int len = MIN (8, w - x); if ((x ^ y) & (1 << 4)) { p->color = &yuv_primary; } else { p->color = &yuv_secondary; } p->paint_tmpline (p, x, len); } videotestsrc_convert_tmpline (p, frame, y); } } void gst_video_test_src_ball (GstVideoTestSrc * v, GstClockTime pts, GstVideoFrame * frame) { int i; int radius = 20; int w = frame->info.width, h = frame->info.height; gint64 wall_time; gdouble rad = 0; double x, y; int flipit = 0; paintinfo pi = PAINT_INFO_INIT; paintinfo *p = π struct vts_color_struct *foreground_color = &p->foreground_color, *background_color = &p->background_color; switch (v->animation_mode) { case GST_VIDEO_TEST_SRC_FRAMES: rad = (gdouble) (v->n_frames) / 200; flipit = (v->n_frames / 50) % 2; break; case GST_VIDEO_TEST_SRC_WALL_TIME: wall_time = g_get_real_time (); rad = (gdouble) wall_time / 1000000.0; flipit = (wall_time / 1000000) % 2; break; case GST_VIDEO_TEST_SRC_RUNNING_TIME: rad = (gdouble) (pts) / GST_SECOND; flipit = (pts / GST_SECOND) % 2; break; } if (v->motion_type == GST_VIDEO_TEST_SRC_HSWEEP) { /* Periodic reset for half sweep */ rad /= 2; rad -= floor (2 * rad) / 2; } /* Scale for the animation calcs */ rad = 2 * G_PI * rad; if (v->motion_type == GST_VIDEO_TEST_SRC_WAVY) { x = radius + (0.5 + 0.5 * sin (rad)) * (w - 2 * radius); y = radius + (0.5 + 0.5 * sin (rad * sqrt (2))) * (h - 2 * radius); } else { /* sweep and hsweep */ /* x,y is center of circle, * radius is radius * rad = angle .. of sweep. */ radius = MIN (h, w) / 4 - 0; /* 0 is the margin between edge of screen and top of ball */ x = w / 2 + sin (rad) * radius; y = h / 2 - cos (rad) * radius; } if (v->flip && flipit) { foreground_color = &p->background_color; background_color = &p->foreground_color; } /* draw ball on frame */ videotestsrc_setup_paintinfo (v, p, w, h); for (i = 0; i < h; i++) { if (i < y - radius || i > y + radius) { memset (p->tmpline_u8, 0, w); } else { double o = MAX (0, (radius * radius - (i - y) * (i - y))); int r = rint (sqrt (o)); int x1, x2; int j; x1 = 0; x2 = MAX (0, x - r); for (j = x1; j < x2; j++) { p->tmpline_u8[j] = 0; } x1 = MAX (0, x - r); x2 = MIN (w, x + r + 1); for (j = x1; j < x2; j++) { double rr = radius - sqrt ((j - x) * (j - x) + (i - y) * (i - y)); rr *= 0.5; p->tmpline_u8[j] = CLAMP ((int) floor (256 * rr), 0, 255); } x1 = MIN (w, x + r + 1); x2 = w; for (j = x1; j < x2; j++) { p->tmpline_u8[j] = 0; } } if ((v->motion_type == GST_VIDEO_TEST_SRC_SWEEP) || (v->motion_type == GST_VIDEO_TEST_SRC_HSWEEP)) { /* dot in the middle (to draw a line down the center) */ p->tmpline_u8[w / 2] = 255; p->tmpline_u8[(int) x] = 255; } videotestsrc_blend_line (v, p->tmpline, p->tmpline_u8, foreground_color, background_color, 0, w); videotestsrc_convert_tmpline (p, frame, i); } if ((v->motion_type == GST_VIDEO_TEST_SRC_SWEEP) || (v->motion_type == GST_VIDEO_TEST_SRC_HSWEEP)) { /* draw a line across the middle of frame and ball. */ for (i = 0; i < w; i++) { p->tmpline_u8[i] = 255; } videotestsrc_blend_line (v, p->tmpline, p->tmpline_u8, foreground_color, background_color, 0, w); videotestsrc_convert_tmpline (p, frame, h / 2); videotestsrc_convert_tmpline (p, frame, y); } } static void paint_tmpline_ARGB (paintinfo * p, int x, int w) { int offset; guint32 value; #if G_BYTE_ORDER == G_LITTLE_ENDIAN value = (p->color->A << 0) | (p->color->R << 8) | (p->color->G << 16) | ((guint32) p->color->B << 24); #else value = ((guint32) p->color->A << 24) | (p->color->R << 16) | (p->color->G << 8) | (p->color->B << 0); #endif offset = (x * 4); video_test_src_orc_splat_u32 (p->tmpline + offset, value, w); } static void paint_tmpline_AYUV (paintinfo * p, int x, int w) { int offset; guint32 value; #if G_BYTE_ORDER == G_LITTLE_ENDIAN value = (p->color->A << 0) | (p->color->Y << 8) | (p->color->U << 16) | ((guint32) p->color->V << 24); #else value = ((guint32) p->color->A << 24) | (p->color->Y << 16) | (p->color->U << 8) | (p->color->V << 0); #endif offset = (x * 4); video_test_src_orc_splat_u32 (p->tmpline + offset, value, w); } static void convert_hline_generic (paintinfo * p, GstVideoFrame * frame, int y) { const GstVideoFormatInfo *finfo, *uinfo; gint line, offset, i, width, height, bits; guint n_lines; gpointer dest; finfo = frame->info.finfo; uinfo = gst_video_format_get_info (finfo->unpack_format); width = GST_VIDEO_FRAME_WIDTH (frame); height = GST_VIDEO_FRAME_HEIGHT (frame); bits = GST_VIDEO_FORMAT_INFO_DEPTH (uinfo, 0); n_lines = p->n_lines; offset = p->offset; line = y % n_lines; dest = p->lines[line]; if (bits == 16) { /* 16 bits */ for (i = 0; i < width; i++) { p->tmpline_u16[i * 4 + 0] = TO_16 (p->tmpline[i * 4 + 0]); p->tmpline_u16[i * 4 + 1] = TO_16 (p->tmpline[i * 4 + 1]); p->tmpline_u16[i * 4 + 2] = TO_16 (p->tmpline[i * 4 + 2]); p->tmpline_u16[i * 4 + 3] = TO_16 (p->tmpline[i * 4 + 3]); } memcpy (dest, p->tmpline_u16, width * 8); } else { memcpy (dest, p->tmpline, width * 4); } if (line - offset == n_lines - 1) { gpointer lines[8]; guint idx; y -= n_lines - 1; for (i = 0; i < n_lines; i++) { idx = CLAMP (y + i + offset, 0, height - 1); lines[i] = p->lines[idx % n_lines]; } if (p->subsample) gst_video_chroma_resample (p->subsample, lines, width); for (i = 0; i < n_lines; i++) { idx = y + i + offset; if (idx > height - 1) break; finfo->pack_func (finfo, GST_VIDEO_PACK_FLAG_NONE, lines[i], 0, frame->data, frame->info.stride, frame->info.chroma_site, idx, width); } } } static void convert_hline_bayer (paintinfo * p, GstVideoFrame * frame, int y) { int i; guint8 *data = GST_VIDEO_FRAME_PLANE_DATA (frame, 0); guint8 *R = data + y * GST_VIDEO_FRAME_PLANE_STRIDE (frame, 0); guint8 *argb = p->tmpline; gint width = GST_VIDEO_FRAME_WIDTH (frame); int x_inv = p->x_invert; int y_inv = p->y_invert; if ((y ^ y_inv) & 1) { for (i = 0; i < width; i++) { if ((i ^ x_inv) & 1) { R[i] = argb[4 * i + 1]; } else { R[i] = argb[4 * i + 2]; } } } else { for (i = 0; i < width; i++) { if ((i ^ x_inv) & 1) { R[i] = argb[4 * i + 2]; } else { R[i] = argb[4 * i + 3]; } } } } void gst_video_test_src_pinwheel (GstVideoTestSrc * v, GstClockTime pts, GstVideoFrame * frame) { int i; int j; int k; int t = v->n_frames; paintinfo pi = PAINT_INFO_INIT; paintinfo *p = π struct vts_color_struct color; int w = frame->info.width, h = frame->info.height; double c[20]; double s[20]; videotestsrc_setup_paintinfo (v, p, w, h); color = p->colors[COLOR_BLACK]; p->color = &color; for (k = 0; k < 19; k++) { double theta = M_PI / 19 * k + 0.001 * v->kt * t; c[k] = cos (theta); s[k] = sin (theta); } for (j = 0; j < h; j++) { for (i = 0; i < w; i++) { double v; v = 0; for (k = 0; k < 19; k++) { double x, y; x = c[k] * (i - 0.5 * w) + s[k] * (j - 0.5 * h); x *= 1.0; y = CLAMP (x, -1, 1); if (k & 1) y = -y; v += y; } p->tmpline_u8[i] = CLAMP (rint (v * 128 + 128), 0, 255); } videotestsrc_blend_line (v, p->tmpline, p->tmpline_u8, &p->foreground_color, &p->background_color, 0, w); videotestsrc_convert_tmpline (p, frame, j); } } void gst_video_test_src_spokes (GstVideoTestSrc * v, GstClockTime pts, GstVideoFrame * frame) { int i; int j; int k; int t = v->n_frames; paintinfo pi = PAINT_INFO_INIT; paintinfo *p = π struct vts_color_struct color; int w = frame->info.width, h = frame->info.height; double c[20]; double s[20]; videotestsrc_setup_paintinfo (v, p, w, h); color = p->colors[COLOR_BLACK]; p->color = &color; for (k = 0; k < 19; k++) { double theta = M_PI / 19 * k + 0.001 * v->kt * t; c[k] = cos (theta); s[k] = sin (theta); } for (j = 0; j < h; j++) { for (i = 0; i < w; i++) { double v; v = 0; for (k = 0; k < 19; k++) { double x, y; double sharpness = 1.0; double linewidth = 2.0; x = c[k] * (i - 0.5 * w) + s[k] * (j - 0.5 * h); x = linewidth * 0.5 - fabs (x); x *= sharpness; y = CLAMP (x + 0.5, 0.0, 1.0); v += y; } p->tmpline_u8[i] = CLAMP (rint (v * 255), 0, 255); } videotestsrc_blend_line (v, p->tmpline, p->tmpline_u8, &p->foreground_color, &p->background_color, 0, w); videotestsrc_convert_tmpline (p, frame, j); } } void gst_video_test_src_gradient (GstVideoTestSrc * v, GstClockTime pts, GstVideoFrame * frame) { int i; int j; paintinfo pi = PAINT_INFO_INIT; paintinfo *p = π struct vts_color_struct color; int w = frame->info.width, h = frame->info.height; videotestsrc_setup_paintinfo (v, p, w, h); color = p->colors[COLOR_BLACK]; p->color = &color; for (j = 0; j < h; j++) { int y = j * 255.0 / h; for (i = 0; i < w; i++) { p->tmpline_u8[i] = y; } videotestsrc_blend_line (v, p->tmpline, p->tmpline_u8, &p->foreground_color, &p->background_color, 0, w); videotestsrc_convert_tmpline (p, frame, j); } } void gst_video_test_src_colors (GstVideoTestSrc * v, GstClockTime pts, GstVideoFrame * frame) { int i; int j; paintinfo pi = PAINT_INFO_INIT; paintinfo *p = π struct vts_color_struct color; int w = frame->info.width, h = frame->info.height; videotestsrc_setup_paintinfo (v, p, w, h); color = p->colors[COLOR_BLACK]; p->color = &color; for (j = 0; j < h; j++) { for (i = 0; i < w; i++) { p->tmpline[i * 4 + 0] = 0xff; p->tmpline[i * 4 + 1] = ((i * 4096) / w) % 256; p->tmpline[i * 4 + 2] = (((j * 16) / h) << 4) | ((i * 16) / w); p->tmpline[i * 4 + 3] = ((j * 4096) / h) % 256; } videotestsrc_convert_tmpline (p, frame, j); } }