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-rw-r--r--sys/glsink/gltestsrc.c492
1 files changed, 492 insertions, 0 deletions
diff --git a/sys/glsink/gltestsrc.c b/sys/glsink/gltestsrc.c
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+/* 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+/* non-GST-specific stuff */
+
+#include "gstgltestsrc.h"
+#include "gltestsrc.h"
+#include "gstglbuffer.h"
+
+
+#include <string.h>
+#include <stdlib.h>
+#include <math.h>
+
+#ifndef M_PI
+#define M_PI 3.14159265358979323846
+#endif
+
+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[] = {
+ /* 100% white */
+ {255, 128, 128, 255, 255, 255, 255},
+ /* yellow */
+ {226, 0, 155, 255, 255, 0, 255},
+ /* cyan */
+ {179, 170, 0, 0, 255, 255, 255},
+ /* green */
+ {150, 46, 21, 0, 255, 0, 255},
+ /* magenta */
+ {105, 212, 235, 255, 0, 255, 255},
+ /* red */
+ {76, 85, 255, 255, 0, 0, 255},
+ /* blue */
+ {29, 255, 107, 0, 0, 255, 255},
+ /* black */
+ {16, 128, 128, 0, 0, 0, 255},
+ /* -I */
+ {16, 198, 21, 0, 0, 128, 255},
+ /* +Q */
+ {16, 235, 198, 0, 128, 255, 255},
+ /* superblack */
+ {0, 128, 128, 0, 0, 0, 255},
+ /* 5% grey */
+ {32, 128, 128, 32, 32, 32, 255},
+};
+
+static void
+gst_gl_test_src_unicolor (GstGLTestSrc * v, GstGLBuffer * buffer, int w,
+ int h, const struct vts_color_struct *color);
+
+void
+gst_gl_test_src_smpte (GstGLTestSrc * v, GstGLBuffer * buffer, int w, int h)
+{
+ int i;
+
+ glClearColor (0.0, 0.0, 0.0, 1.0);
+ glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+ glMatrixMode (GL_PROJECTION);
+ glLoadIdentity ();
+
+ glMatrixMode (GL_MODELVIEW);
+ glLoadIdentity ();
+
+ for (i = 0; i < 7; i++) {
+ glColor4f (vts_colors[i].R * (1 / 255.0), vts_colors[i].G * (1 / 255.0),
+ vts_colors[i].B * (1 / 255.0), 1.0);
+ glBegin (GL_QUADS);
+ glVertex3f (-1.0 + i * (2.0 / 7.0), -1.0 + 2.0 * (2.0 / 3.0), 0);
+ glVertex3f (-1.0 + (i + 1) * (2.0 / 7.0), -1.0 + 2.0 * (2.0 / 3.0), 0);
+ glVertex3f (-1.0 + (i + 1) * (2.0 / 7.0), -1.0, 0);
+ glVertex3f (-1.0 + i * (2.0 / 7.0), -1.0, 0);
+ glEnd ();
+ }
+
+ for (i = 0; i < 7; i++) {
+ int k;
+
+ if (i & 1) {
+ k = 7;
+ } else {
+ k = 6 - i;
+ }
+
+ glColor4f (vts_colors[k].R * (1 / 255.0), vts_colors[k].G * (1 / 255.0),
+ vts_colors[k].B * (1 / 255.0), 1.0);
+ glBegin (GL_QUADS);
+ glVertex3f (-1.0 + i * (2.0 / 7.0), -1.0 + 2.0 * (3.0 / 4.0), 0);
+ glVertex3f (-1.0 + (i + 1) * (2.0 / 7.0), -1.0 + 2.0 * (3.0 / 4.0), 0);
+ glVertex3f (-1.0 + (i + 1) * (2.0 / 7.0), -1.0 + 2.0 * (2.0 / 3.0), 0);
+ glVertex3f (-1.0 + i * (2.0 / 7.0), -1.0 + 2.0 * (2.0 / 3.0), 0);
+ glEnd ();
+ }
+
+ for (i = 0; i < 3; i++) {
+ int k;
+
+ if (i == 0) {
+ k = 8;
+ } else if (i == 1) {
+ k = 0;
+ } else {
+ k = 9;
+ }
+
+ glColor4f (vts_colors[k].R * (1 / 255.0), vts_colors[k].G * (1 / 255.0),
+ vts_colors[k].B * (1 / 255.0), 1.0);
+ glBegin (GL_QUADS);
+ glVertex3f (-1.0 + i * (2.0 / 6.0), -1.0 + 2.0 * 1, 0);
+ glVertex3f (-1.0 + (i + 1) * (2.0 / 6.0), -1.0 + 2.0 * 1, 0);
+ glVertex3f (-1.0 + (i + 1) * (2.0 / 6.0), -1.0 + 2.0 * (3.0 / 4.0), 0);
+ glVertex3f (-1.0 + i * (2.0 / 6.0), -1.0 + 2.0 * (3.0 / 4.0), 0);
+ glEnd ();
+ }
+
+ for (i = 0; i < 3; i++) {
+ int k;
+
+ if (i == 0) {
+ k = COLOR_SUPER_BLACK;
+ } else if (i == 1) {
+ k = COLOR_BLACK;
+ } else {
+ k = COLOR_DARK_GREY;
+ }
+
+ glColor4f (vts_colors[k].R * (1 / 255.0), vts_colors[k].G * (1 / 255.0),
+ vts_colors[k].B * (1 / 255.0), 1.0);
+ glBegin (GL_QUADS);
+ glVertex3f (-1.0 + 2.0 * (0.5 + i * (1.0 / 12.0)), -1.0 + 2.0 * 1, 0);
+ glVertex3f (-1.0 + 2.0 * (0.5 + (i + 1) * (1.0 / 12.0)), -1.0 + 2.0 * 1, 0);
+ glVertex3f (-1.0 + 2.0 * (0.5 + (i + 1) * (1.0 / 12.0)),
+ -1.0 + 2.0 * (3.0 / 4.0), 0);
+ glVertex3f (-1.0 + 2.0 * (0.5 + i * (1.0 / 12.0)), -1.0 + 2.0 * (3.0 / 4.0),
+ 0);
+ glEnd ();
+ }
+
+ glColor4f (0.5, 0.5, 0.5, 1.0);
+ glBegin (GL_QUADS);
+ glVertex3f (-1.0 + 2.0 * (0.75), -1.0 + 2.0 * 1, 0);
+ glVertex3f (-1.0 + 2.0 * (1.0), -1.0 + 2.0 * 1, 0);
+ glVertex3f (-1.0 + 2.0 * (1.0), -1.0 + 2.0 * (3.0 / 4.0), 0);
+ glVertex3f (-1.0 + 2.0 * (0.75), -1.0 + 2.0 * (3.0 / 4.0), 0);
+ glEnd ();
+
+}
+
+void
+gst_gl_test_src_snow (GstGLTestSrc * v, GstGLBuffer * buffer, int w, int h)
+{
+ glClearColor (0.0, 0.0, 0.0, 1.0);
+ glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+ glMatrixMode (GL_PROJECTION);
+ glLoadIdentity ();
+
+ glMatrixMode (GL_MODELVIEW);
+ glLoadIdentity ();
+
+ /* FIXME snow requires a fragment shader. Please write. */
+ glColor4f (0.5, 0.5, 0.5, 1.0);
+ glBegin (GL_QUADS);
+ glVertex3f (-1.0 + 2.0 * (0.0), -1.0 + 2.0 * 1, 0);
+ glVertex3f (-1.0 + 2.0 * (1.0), -1.0 + 2.0 * 1, 0);
+ glVertex3f (-1.0 + 2.0 * (1.0), -1.0 + 2.0 * (0.0), 0);
+ glVertex3f (-1.0 + 2.0 * (0.0), -1.0 + 2.0 * (0.0), 0);
+ glEnd ();
+}
+
+static void
+gst_gl_test_src_unicolor (GstGLTestSrc * v, GstGLBuffer * buffer, int w,
+ int h, const struct vts_color_struct *color)
+{
+ glClearColor (color->R * (1 / 255.0), color->G * (1 / 255.0),
+ color->B * (1 / 255.0), 1.0);
+ glClear (GL_COLOR_BUFFER_BIT);
+}
+
+void
+gst_gl_test_src_black (GstGLTestSrc * v, GstGLBuffer * buffer, int w, int h)
+{
+ gst_gl_test_src_unicolor (v, buffer, w, h, vts_colors + COLOR_BLACK);
+}
+
+void
+gst_gl_test_src_white (GstGLTestSrc * v, GstGLBuffer * buffer, int w, int h)
+{
+ gst_gl_test_src_unicolor (v, buffer, w, h, vts_colors + COLOR_WHITE);
+}
+
+void
+gst_gl_test_src_red (GstGLTestSrc * v, GstGLBuffer * buffer, int w, int h)
+{
+ gst_gl_test_src_unicolor (v, buffer, w, h, vts_colors + COLOR_RED);
+}
+
+void
+gst_gl_test_src_green (GstGLTestSrc * v, GstGLBuffer * buffer, int w, int h)
+{
+ gst_gl_test_src_unicolor (v, buffer, w, h, vts_colors + COLOR_GREEN);
+}
+
+void
+gst_gl_test_src_blue (GstGLTestSrc * v, GstGLBuffer * buffer, int w, int h)
+{
+ gst_gl_test_src_unicolor (v, buffer, w, h, vts_colors + COLOR_BLUE);
+}
+
+void
+gst_gl_test_src_checkers1 (GstGLTestSrc * v, GstGLBuffer * buffer, int w, int h)
+{
+#if 0
+ int x, y;
+ paintinfo pi = { NULL, };
+ paintinfo *p = &pi;
+ struct fourcc_list_struct *fourcc;
+
+ p->width = w;
+ p->height = h;
+ fourcc = v->fourcc;
+ if (fourcc == NULL)
+ return;
+
+ fourcc->paint_setup (p, dest);
+ p->paint_hline = fourcc->paint_hline;
+
+ for (y = 0; y < h; y++) {
+ p->color = vts_colors + COLOR_GREEN;
+ p->paint_hline (p, 0, y, w);
+ for (x = (y % 2); x < w; x += 2) {
+ p->color = vts_colors + COLOR_RED;
+ p->paint_hline (p, x, y, 1);
+ }
+ }
+#endif
+}
+
+void
+gst_gl_test_src_checkers2 (GstGLTestSrc * v, GstGLBuffer * buffer, int w, int h)
+{
+#if 0
+ int x, y;
+ paintinfo pi = { NULL, };
+ paintinfo *p = &pi;
+ struct fourcc_list_struct *fourcc;
+
+ p->width = w;
+ p->height = h;
+ fourcc = v->fourcc;
+ if (fourcc == NULL)
+ return;
+
+ fourcc->paint_setup (p, dest);
+ p->paint_hline = fourcc->paint_hline;
+
+ p->color = vts_colors + COLOR_GREEN;
+ for (y = 0; y < h; y++) {
+ p->paint_hline (p, 0, y, w);
+ }
+
+ for (y = 0; y < h; y += 2) {
+ for (x = ((y % 4) == 0) ? 0 : 2; x < w; x += 4) {
+ guint len = (x < (w - 1)) ? 2 : (w - x);
+
+ p->color = vts_colors + COLOR_RED;
+ p->paint_hline (p, x, y + 0, len);
+ if (G_LIKELY ((y + 1) < h)) {
+ p->paint_hline (p, x, y + 1, len);
+ }
+ }
+ }
+#endif
+}
+
+void
+gst_gl_test_src_checkers4 (GstGLTestSrc * v, GstGLBuffer * buffer, int w, int h)
+{
+#if 0
+ int x, y;
+ paintinfo pi = { NULL, };
+ paintinfo *p = &pi;
+ struct fourcc_list_struct *fourcc;
+
+ p->width = w;
+ p->height = h;
+ fourcc = v->fourcc;
+ if (fourcc == NULL)
+ return;
+
+ fourcc->paint_setup (p, dest);
+ p->paint_hline = fourcc->paint_hline;
+
+ p->color = vts_colors + COLOR_GREEN;
+ for (y = 0; y < h; y++) {
+ p->paint_hline (p, 0, y, w);
+ }
+
+ for (y = 0; y < h; y += 4) {
+ for (x = ((y % 8) == 0) ? 0 : 4; x < w; x += 8) {
+ guint len = (x < (w - 3)) ? 4 : (w - x);
+
+ p->color = vts_colors + COLOR_RED;
+ p->paint_hline (p, x, y + 0, len);
+ if (G_LIKELY ((y + 1) < h)) {
+ p->paint_hline (p, x, y + 1, len);
+ if (G_LIKELY ((y + 2) < h)) {
+ p->paint_hline (p, x, y + 2, len);
+ if (G_LIKELY ((y + 3) < h)) {
+ p->paint_hline (p, x, y + 3, len);
+ }
+ }
+ }
+ }
+ }
+#endif
+}
+
+void
+gst_gl_test_src_checkers8 (GstGLTestSrc * v, GstGLBuffer * buffer, int w, int h)
+{
+#if 0
+ int x, y;
+ paintinfo pi = { NULL, };
+ paintinfo *p = &pi;
+ struct fourcc_list_struct *fourcc;
+
+ p->width = w;
+ p->height = h;
+ fourcc = v->fourcc;
+ if (fourcc == NULL)
+ return;
+
+ fourcc->paint_setup (p, dest);
+ p->paint_hline = fourcc->paint_hline;
+
+ p->color = vts_colors + COLOR_GREEN;
+ for (y = 0; y < h; y++) {
+ p->paint_hline (p, 0, y, w);
+ }
+
+ for (y = 0; y < h; y += 8) {
+ for (x = ((GST_ROUND_UP_8 (y) % 16) == 0) ? 0 : 8; x < w; x += 16) {
+ guint len = (x < (w - 7)) ? 8 : (w - x);
+
+ p->color = vts_colors + COLOR_RED;
+ p->paint_hline (p, x, y + 0, len);
+ if (G_LIKELY ((y + 1) < h)) {
+ p->paint_hline (p, x, y + 1, len);
+ if (G_LIKELY ((y + 2) < h)) {
+ p->paint_hline (p, x, y + 2, len);
+ if (G_LIKELY ((y + 3) < h)) {
+ p->paint_hline (p, x, y + 3, len);
+ if (G_LIKELY ((y + 4) < h)) {
+ p->paint_hline (p, x, y + 4, len);
+ if (G_LIKELY ((y + 5) < h)) {
+ p->paint_hline (p, x, y + 5, len);
+ if (G_LIKELY ((y + 6) < h)) {
+ p->paint_hline (p, x, y + 6, len);
+ if (G_LIKELY ((y + 7) < h)) {
+ p->paint_hline (p, x, y + 7, len);
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+#endif
+}
+
+void
+gst_gl_test_src_circular (GstGLTestSrc * v, GstGLBuffer * buffer, int w, int h)
+{
+#if 0
+ int i;
+ int j;
+ paintinfo pi = { NULL, };
+ paintinfo *p = &pi;
+ struct fourcc_list_struct *fourcc;
+ struct vts_color_struct color;
+ static uint8_t sine_array[256];
+ static int sine_array_inited = FALSE;
+ double freq[8];
+
+#ifdef SCALE_AMPLITUDE
+ double ampl[8];
+#endif
+ int d;
+
+ if (!sine_array_inited) {
+ for (i = 0; i < 256; i++) {
+ sine_array[i] =
+ floor (255 * (0.5 + 0.5 * sin (i * 2 * M_PI / 256)) + 0.5);
+ }
+ sine_array_inited = TRUE;
+ }
+
+ p->width = w;
+ p->height = h;
+ fourcc = v->fourcc;
+ if (fourcc == NULL)
+ return;
+
+ fourcc->paint_setup (p, dest);
+ p->paint_hline = fourcc->paint_hline;
+
+ color = vts_colors[COLOR_BLACK];
+ p->color = &color;
+
+ for (i = 1; i < 8; i++) {
+ freq[i] = 200 * pow (2.0, -(i - 1) / 4.0);
+#ifdef SCALE_AMPLITUDE
+ {
+ double x;
+
+ x = 2 * M_PI * freq[i] / w;
+ ampl[i] = sin (x) / x;
+ }
+#endif
+ }
+
+ for (i = 0; i < w; i++) {
+ for (j = 0; j < h; j++) {
+ 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) {
+ color.Y = 255;
+ } else {
+#ifdef SCALE_AMPLITUDE
+ double a;
+#endif
+ d = floor (256 * dist * freq[seg] + 0.5);
+#ifdef SCALE_AMPLITUDE
+ a = ampl[seg];
+ if (a < 0)
+ a = 0;
+ color.Y = 128 + a * (sine_array[d & 0xff] - 128);
+#else
+ color.Y = sine_array[d & 0xff];
+#endif
+ }
+ color.R = color.Y;
+ color.G = color.Y;
+ color.B = color.Y;
+ p->paint_hline (p, i, j, 1);
+ }
+ }
+#endif
+}
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