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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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spacescope: add color-modes
In colormode we split the signal in low,mid,high frequency parts and draw them separately into red, gree, blue color channels.
This commit is contained in:
Stefan Sauer
parent
b5ebf76d32
commit
11590ac0b6
3 changed files with 212 additions and 14 deletions
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@ -24,8 +24,12 @@
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_vd[(_y * _st) + _x] = _c; \
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} G_STMT_END
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#define draw_dot_c(_vd, _x, _y, _st, _c) G_STMT_START { \
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_vd[(_y * _st) + _x] |= _c; \
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} G_STMT_END
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#define draw_dot_aa(_vd, _x, _y, _st, _c, _f) G_STMT_START { \
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guint32 _oc, _nc, _c1, _c2, _c3; \
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guint32 _oc, _c1, _c2, _c3; \
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\
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_oc = _vd[(_y * _st) + _x]; \
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_c3 = (_oc & 0xff) + ((_c & 0xff) * _f); \
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@ -34,8 +38,7 @@
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_c2 = MIN(_c2, 255); \
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_c1 = ((_oc & 0xff0000) >> 16) + (((_c & 0xff0000) >> 16) * _f); \
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_c1 = MIN(_c1, 255); \
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_nc = (_c1 << 16) | (_c2 << 8) | _c3; \
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_vd[(_y * _st) + _x] = _nc; \
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_vd[(_y * _st) + _x] = (_c1 << 16) | (_c2 << 8) | _c3; \
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} G_STMT_END
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#define draw_line(_vd, _x1, _x2, _y1, _y2, _st, _c) G_STMT_START { \
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@ -66,6 +66,8 @@ enum
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{
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STYLE_DOTS = 0,
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STYLE_LINES,
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STYLE_COLOR_DOTS,
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STYLE_COLOR_LINES,
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NUM_STYLES
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};
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@ -79,6 +81,8 @@ gst_space_scope_style_get_type (void)
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static const GEnumValue values[] = {
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{STYLE_DOTS, "draw dots (default)", "dots"},
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{STYLE_LINES, "draw lines", "lines"},
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{STYLE_COLOR_DOTS, "draw color dots", "color-dots"},
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{STYLE_COLOR_LINES, "draw color lines", "color-lines"},
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{0, NULL, NULL}
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};
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@ -92,9 +96,13 @@ static void gst_space_scope_set_property (GObject * object, guint prop_id,
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static void gst_space_scope_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec);
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static void render_dots (GstBaseAudioVisualizer * scope, guint32 * vdata,
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static void render_dots (GstBaseAudioVisualizer * base, guint32 * vdata,
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gint16 * adata, guint num_samples);
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static void render_lines (GstBaseAudioVisualizer * scope, guint32 * vdata,
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static void render_lines (GstBaseAudioVisualizer * base, guint32 * vdata,
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gint16 * adata, guint num_samples);
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static void render_color_dots (GstBaseAudioVisualizer * base, guint32 * vdata,
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gint16 * adata, guint num_samples);
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static void render_color_lines (GstBaseAudioVisualizer * base, guint32 * vdata,
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gint16 * adata, guint num_samples);
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static gboolean gst_space_scope_render (GstBaseAudioVisualizer * scope,
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@ -160,6 +168,12 @@ gst_space_scope_set_property (GObject * object, guint prop_id,
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case STYLE_LINES:
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scope->process = render_lines;
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break;
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case STYLE_COLOR_DOTS:
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scope->process = render_color_dots;
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break;
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case STYLE_COLOR_LINES:
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scope->process = render_color_lines;
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break;
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}
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break;
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default:
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@ -187,18 +201,19 @@ gst_space_scope_get_property (GObject * object, guint prop_id,
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#include "gstdrawhelpers.h"
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static void
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render_dots (GstBaseAudioVisualizer * scope, guint32 * vdata, gint16 * adata,
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render_dots (GstBaseAudioVisualizer * base, guint32 * vdata, gint16 * adata,
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guint num_samples)
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{
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guint i, s, x, y, ox, oy;
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gfloat dx, dy;
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guint w = scope->width;
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guint w = base->width;
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guint h = base->height;
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/* draw dots 1st channel x, 2nd channel y */
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dx = scope->width / 65536.0;
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ox = scope->width / 2;
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dy = scope->height / 65536.0;
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oy = scope->height / 2;
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dx = w / 65536.0;
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ox = w / 2;
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dy = h / 65536.0;
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oy = h / 2;
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s = 0;
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for (i = 0; i < num_samples; i++) {
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x = (guint) (ox + (gfloat) adata[s++] * dx);
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@ -208,13 +223,13 @@ render_dots (GstBaseAudioVisualizer * scope, guint32 * vdata, gint16 * adata,
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}
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static void
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render_lines (GstBaseAudioVisualizer * scope, guint32 * vdata, gint16 * adata,
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render_lines (GstBaseAudioVisualizer * base, guint32 * vdata, gint16 * adata,
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guint num_samples)
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{
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guint i, s, x, y, ox, oy;
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gfloat dx, dy;
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guint w = scope->width;
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guint h = scope->height;
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guint w = base->width;
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guint h = base->height;
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gint x2, y2;
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/* draw lines 1st channel x, 2nd channel y */
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@ -234,6 +249,180 @@ render_lines (GstBaseAudioVisualizer * scope, guint32 * vdata, gint16 * adata,
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}
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}
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#define CUTOFF_1 0.15
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#define CUTOFF_2 0.45
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#define RESONANCE (1.0/0.5)
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#define filter(il, ir) G_STMT_START { \
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f1l_h = il - (f1l_m * RESONANCE) - f1l_l; \
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f1l_m += (f1l_h * CUTOFF_1); \
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f1l_l += (f1l_m * CUTOFF_1); \
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\
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f2l_h = (f1l_m + f1l_h) - (f2l_m * RESONANCE) - f2l_l; \
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f2l_m += (f2l_h * CUTOFF_2); \
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f2l_l += (f2l_m * CUTOFF_2); \
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\
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f1r_h = ir - (f1r_m * RESONANCE) - f1r_l; \
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f1r_m += (f1r_h * CUTOFF_1); \
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f1r_l += (f1r_m * CUTOFF_1); \
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\
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f2r_h = (f1r_m + f1r_h) - (f2r_m * RESONANCE) - f2r_l; \
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f2r_m += (f2r_h * CUTOFF_2); \
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f2r_l += (f2r_m * CUTOFF_2); \
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} G_STMT_END
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static void
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render_color_dots (GstBaseAudioVisualizer * base, guint32 * vdata,
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gint16 * adata, guint num_samples)
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{
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GstSpaceScope *scope = (GstSpaceScope *) base;
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guint i, s;
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gint x, y, ox, oy;
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gfloat dx, dy;
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gint w = base->width, w1 = w - 2;
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gint h = base->height, h1 = h - 2;
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gdouble il, ir;
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gdouble f1l_l = scope->f1l_l, f1l_m = scope->f1l_m, f1l_h = scope->f1l_h;
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gdouble f1r_l = scope->f1r_l, f1r_m = scope->f1r_m, f1r_h = scope->f1r_h;
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gdouble f2l_l = scope->f2l_l, f2l_m = scope->f2l_m, f2l_h = scope->f2l_h;
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gdouble f2r_l = scope->f2r_l, f2r_m = scope->f2r_m, f2r_h = scope->f2r_h;
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/* draw dots 1st channel x, 2nd channel y */
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ox = w / 2;
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oy = h / 2;
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dx = w / 65536.0;
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dy = h / 65536.0;
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s = 0;
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for (i = 0; i < num_samples; i++) {
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il = (gdouble) adata[s++];
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ir = (gdouble) adata[s++];
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filter (il, ir);
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x = (gint) (ox + f1l_l * dx);
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y = (gint) (oy + f1r_l * dy);
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x = CLAMP (x, 0, w1);
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y = CLAMP (y, 0, h1);
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draw_dot_c (vdata, x, y, w, 0x00FF0000);
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x = (gint) (ox + f2l_l * dx);
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y = (gint) (oy + f2r_l * dy);
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x = CLAMP (x, 0, w1);
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y = CLAMP (y, 0, h1);
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draw_dot_c (vdata, x, y, w, 0x0000FF00);
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x = (gint) (ox + (f2l_m + f2l_h) * dx);
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y = (gint) (oy + (f2r_m + f2r_h) * dy);
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x = CLAMP (x, 0, w1);
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y = CLAMP (y, 0, h1);
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draw_dot_c (vdata, x, y, w, 0x000000FF);
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}
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scope->f1l_l = f1l_l;
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scope->f1l_m = f1l_m;
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scope->f1l_h = f1l_h;
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scope->f1r_l = f1r_l;
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scope->f1r_m = f1r_m;
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scope->f1r_h = f1r_h;
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scope->f2l_l = f2l_l;
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scope->f2l_m = f2l_m;
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scope->f2l_h = f2l_h;
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scope->f2r_l = f2r_l;
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scope->f2r_m = f2r_m;
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scope->f2r_h = f2r_h;
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}
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static void
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render_color_lines (GstBaseAudioVisualizer * base, guint32 * vdata,
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gint16 * adata, guint num_samples)
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{
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GstSpaceScope *scope = (GstSpaceScope *) base;
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guint i, s;
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gint x, y, ox, oy;
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gfloat dx, dy;
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gint w = base->width, w1 = w - 2;
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gint h = base->height, h1 = h - 2;
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gdouble il, ir;
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gdouble f1l_l = scope->f1l_l, f1l_m = scope->f1l_m, f1l_h = scope->f1l_h;
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gdouble f1r_l = scope->f1r_l, f1r_m = scope->f1r_m, f1r_h = scope->f1r_h;
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gdouble f2l_l = scope->f2l_l, f2l_m = scope->f2l_m, f2l_h = scope->f2l_h;
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gdouble f2r_l = scope->f2r_l, f2r_m = scope->f2r_m, f2r_h = scope->f2r_h;
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gint x2, y2, x3, y3, x4, y4;
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/* draw lines 1st channel x, 2nd channel y */
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ox = w / 2;
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oy = h / 2;
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dx = w / 65536.0;
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dy = h / 65536.0;
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s = 0;
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/* do first pixels */
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il = (gdouble) adata[s++];
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ir = (gdouble) adata[s++];
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filter (il, ir);
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x = (gint) (ox + f1l_l * dx);
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y = (gint) (oy + f1r_l * dy);
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x2 = CLAMP (x, 0, w1);
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y2 = CLAMP (y, 0, h1);
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x = (gint) (ox + f2l_l * dx);
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y = (gint) (oy + f2r_l * dy);
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x3 = CLAMP (x, 0, w1);
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y3 = CLAMP (y, 0, h1);
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x = (gint) (ox + (f2l_m + f2l_h) * dx);
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y = (gint) (oy + (f2r_m + f2r_h) * dy);
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x4 = CLAMP (x, 0, w1);
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y4 = CLAMP (y, 0, h1);
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for (i = 1; i < num_samples; i++) {
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il = (gdouble) adata[s++];
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ir = (gdouble) adata[s++];
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filter (il, ir);
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x = (gint) (ox + f1l_l * dx);
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y = (gint) (oy + f1r_l * dy);
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x = CLAMP (x, 0, w1);
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y = CLAMP (y, 0, h1);
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draw_line_aa (vdata, x2, x, y2, y, w, 0x00FF0000);
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x2 = x;
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y2 = y;
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x = (gint) (ox + f2l_l * dx);
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y = (gint) (oy + f2r_l * dy);
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x = CLAMP (x, 0, w1);
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y = CLAMP (y, 0, h1);
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draw_line_aa (vdata, x3, x, y3, y, w, 0x0000FF00);
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x3 = x;
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y3 = y;
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x = (gint) (ox + (f2l_m + f2l_h) * dx);
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y = (gint) (oy + (f2r_m + f2r_h) * dy);
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x = CLAMP (x, 0, w1);
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y = CLAMP (y, 0, h1);
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draw_line_aa (vdata, x4, x, y4, y, w, 0x000000FF);
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x4 = x;
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y4 = y;
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}
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scope->f1l_l = f1l_l;
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scope->f1l_m = f1l_m;
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scope->f1l_h = f1l_h;
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scope->f1r_l = f1r_l;
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scope->f1r_m = f1r_m;
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scope->f1r_h = f1r_h;
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scope->f2l_l = f2l_l;
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scope->f2l_m = f2l_m;
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scope->f2l_h = f2l_h;
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scope->f2r_l = f2r_l;
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scope->f2r_m = f2r_m;
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scope->f2r_h = f2r_h;
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}
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static gboolean
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gst_space_scope_render (GstBaseAudioVisualizer * base, GstBuffer * audio,
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GstBuffer * video)
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@ -42,6 +42,12 @@ struct _GstSpaceScope
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/* < private > */
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GstSpaceScopeProcessFunc process;
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gint style;
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/* filter specific data */
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gdouble f1l_l, f1l_m, f1l_h;
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gdouble f1r_l, f1r_m, f1r_h;
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gdouble f2l_l, f2l_m, f2l_h;
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gdouble f2r_l, f2r_m, f2r_h;
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};
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struct _GstSpaceScopeClass
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