/* * Linux VeeJay * * Copyright(C)2002 Niels Elburg * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License , or (at your option) any later version. * * This program 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307 , USA. */ #include #include #include #include "transcarot.h" vj_effect *transcarot_init(int width, int height) { vj_effect *ve = (vj_effect *) vj_calloc(sizeof(vj_effect)); ve->num_params = 6; ve->defaults = (int *) vj_calloc(sizeof(int) * ve->num_params); /* default values */ ve->limits[0] = (int *) vj_calloc(sizeof(int) * ve->num_params); /* min */ ve->limits[1] = (int *) vj_calloc(sizeof(int) * ve->num_params); /* max */ ve->defaults[0] = 180; /* opacity */ ve->defaults[1] = 0; /* type */ ve->defaults[2] = 100; /* point sizse */ ve->defaults[3] = (height / 2); /* dy */ ve->defaults[4] = 40; /* dye */ ve->defaults[5] = (width / 2); /* row */ ve->limits[0][0] = 0; ve->limits[1][0] = 255; ve->limits[0][1] = 0; ve->limits[1][1] = 1; ve->limits[0][2] = 1; ve->limits[1][2] = width; ve->limits[0][3] = 1; ve->limits[1][3] = height; ve->limits[0][4] = 1; ve->limits[1][4] = height; ve->limits[0][5] = 1; ve->limits[1][5] = width; ve->sub_format = 0; ve->param_description = vje_build_param_list(ve->num_params, "Opacity", "Mode", "Point size", "By start", "By end","Row"); ve->description = "Transition Translate Carot"; ve->has_user = 0; ve->extra_frame = 1; return ve; } void transcarot1_apply( VJFrame *frame, VJFrame *frame2, int width, int height, int point_size, int dy, int dye, int row_start, int opacity) { int row_length = 1; int reverse = 0; int i; unsigned int op0, op1; unsigned int uv_width = frame->uv_width; int uv_dy, uv_dye, uv_row_start, uv_row_length; uint8_t *Y = frame->data[0]; uint8_t *Cb = frame->data[1]; uint8_t *Cr = frame->data[2]; uint8_t *Y2 = frame2->data[0]; uint8_t *Cb2 = frame2->data[1]; uint8_t *Cr2 = frame2->data[2]; op1 = (opacity > 255) ? 255 : opacity; op0 = 255 - op1; uv_dy = dy >> frame->shift_v; uv_dye = dye >> frame->shift_v; uv_row_start = row_start; uv_row_length = 1; while (dy >= dye && row_length > 0) { for (i = row_start; i < (row_start + row_length); i++) { Y[(dy * width + i)] = (op0 * Y[(dy * width + i)] + op1 * Y2[(dy * width + i)]) >> 8 ; } if (reverse == 1) { row_length -= 2; row_start++; } else { row_length += 2; row_start--; } if (row_length >= point_size) reverse = 1; dy--; } reverse = 0; i = 0; while (uv_dy >= uv_dye && uv_row_length > 0) { for (i = uv_row_start; i < ((uv_row_start + uv_row_length) >> frame->shift_v); i++) { Cb[(uv_dy * uv_width + i)] = (op0 * Cb[(uv_dy * uv_width + i)] + op1 * Cb2[(uv_dy * uv_width + i)]) >>8; Cr[(uv_dy * uv_width + i)] = (op0 * Cr[(uv_dy * uv_width + i)] + op1 * Cr2[(uv_dy * uv_width + i)]) >> 8; } if (reverse == 1) { uv_row_length -= 2; uv_row_start++; } else { uv_row_length += 2; uv_row_start--; } if (uv_row_length >= point_size) reverse = 1; dy--; } } /* carot transistion. like translate, but different form and with mirroring */ void transcarot2_apply( VJFrame *frame, VJFrame *frame2, int width, int height, int point_size, int dy, int dye, int row_start, int opacity) { int row_length = 1; int reverse = 0; int i; unsigned int op0, op1; unsigned int len = (width * height); unsigned int uv_width = frame->uv_width; int uv_dy, uv_dye, uv_row_start, uv_row_length; uint8_t *Y = frame->data[0]; uint8_t *Cb = frame->data[1]; uint8_t *Cr = frame->data[2]; uint8_t *Y2 = frame2->data[0]; uint8_t *Cb2 = frame2->data[1]; uint8_t *Cr2 = frame2->data[2]; op1 = (opacity > 235) ? 235 : opacity; op0 = 235 - op1; uv_dy = dy >> frame->shift_v; uv_dye = dye >> frame->shift_v; uv_row_start = row_start; uv_row_length = 1; while (dy >= dye && row_length > 0) { if (reverse == 0) { for (i = row_start; i < (row_start + row_length); i++) { Y[(dy * width + i)] = (op0 * Y[(dy * width + i)] + op1 * Y2[(dy * width + i)]) >> 8; } } else { for (i = row_start; i < (row_start + row_length); i++) { Y[(dy * width + i)] = (op0 * Y[(dy * width + i)] + op1 * Y2[len - (dy * width + i)]) >> 8; } } if (reverse == 1) { row_length -= 2; row_start++; } else { row_length += 2; row_start--; } if (row_length >= point_size) reverse = 1; dy--; } reverse = 0; i = 0; while (uv_dy >= uv_dye && uv_row_length > 0) { if (reverse == 0) { for (i = uv_row_start; i < ((uv_row_start + uv_row_length) >> frame->shift_v); i++) { Cb[(uv_dy * uv_width + i)] = (op0 * Cb[(uv_dy * uv_width + i)] + op1 * Cb2[(uv_dy * uv_width + i)]) >> 8; Cr[(uv_dy * uv_width + i)] = (op0 * Cr[(uv_dy * uv_width + i)] + op1 * Cr2[(uv_dy * uv_width + i)]) >> 8; } } else { for (i = uv_row_start; i < ((uv_row_start + uv_row_length) >> frame->shift_v); i++) { Cb[(uv_dy * uv_width + i)] = (op0 * Cb[(uv_dy * uv_width + i)] + op1 * Cb2[len - (uv_dy * uv_width + i)]) >> 8; Cr[(uv_dy * uv_width + i)] = (op0 * Cr[(uv_dy * uv_width + i)] + op1 * Cr2[len - (uv_dy * uv_width + i)]) >> 8; } } if (reverse == 1) { uv_row_length -= 2; uv_row_start++; } else { uv_row_length += 2; uv_row_start--; } if (uv_row_length >= point_size) reverse = 1; dy--; } } void transcarot_apply( VJFrame *frame, VJFrame *frame2, int width, int height, int p, int dy, int dye, int row, int opacity, int type) { if (type == 1) transcarot1_apply(frame, frame2, width, height, p, dy, dye, row, opacity); if (type == 0) transcarot2_apply(frame, frame2, width, height, p, dy, dye, row, opacity); } void transcarot_free(){}