mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2025-02-17 11:45:25 +00:00
wavescape: also add colormodes like in spacescope
This commit is contained in:
Stefan Sauer
parent
00ac111477
commit
4a40bd5936
2 changed files with 170 additions and 9 deletions
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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_wave_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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@ -91,12 +95,18 @@ static void gst_wave_scope_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec);
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static void gst_wave_scope_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec);
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static void gst_wave_scope_finalize (GObject * object);
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static void render_dots (GstBaseAudioVisualizer * scope, 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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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_wave_scope_setup (GstBaseAudioVisualizer * scope);
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static gboolean gst_wave_scope_render (GstBaseAudioVisualizer * base,
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GstBuffer * audio, GstBuffer * video);
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@ -128,7 +138,9 @@ gst_wave_scope_class_init (GstWaveScopeClass * g_class)
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gobject_class->set_property = gst_wave_scope_set_property;
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gobject_class->get_property = gst_wave_scope_get_property;
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gobject_class->finalize = gst_wave_scope_finalize;
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scope_class->setup = GST_DEBUG_FUNCPTR (gst_wave_scope_setup);
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scope_class->render = GST_DEBUG_FUNCPTR (gst_wave_scope_render);
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g_object_class_install_property (gobject_class, PROP_STYLE,
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@ -144,6 +156,32 @@ gst_wave_scope_init (GstWaveScope * scope, GstWaveScopeClass * g_class)
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/* do nothing */
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}
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static void
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gst_wave_scope_finalize (GObject * object)
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{
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GstWaveScope *scope = GST_WAVE_SCOPE (object);
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if (scope->flt) {
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g_free (scope->flt);
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scope->flt = NULL;
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}
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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static gboolean
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gst_wave_scope_setup (GstBaseAudioVisualizer * bscope)
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{
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GstWaveScope *scope = GST_WAVE_SCOPE (bscope);
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if (scope->flt)
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g_free (scope->flt);
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scope->flt = g_new0 (gdouble, 6 * bscope->channels);
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return TRUE;
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}
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static void
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gst_wave_scope_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec)
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@ -160,6 +198,12 @@ gst_wave_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 +231,19 @@ gst_wave_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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gint channels = scope->channels;
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gint channels = base->channels;
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guint i, c, s, x, y, 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 */
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dx = (gfloat) w / (gfloat) num_samples;
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dy = scope->height / 65536.0;
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oy = scope->height / 2;
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dy = h / 65536.0;
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oy = h / 2;
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for (c = 0; c < channels; c++) {
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s = c;
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for (i = 0; i < num_samples; i++) {
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@ -211,14 +256,14 @@ 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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gint channels = scope->channels;
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gint channels = base->channels;
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guint i, c, s, x, y, 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 */
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@ -240,6 +285,119 @@ 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(in) G_STMT_START { \
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flt[2] = in - (flt[1] * RESONANCE) - flt[0]; \
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flt[1] += (flt[2] * CUTOFF_1); \
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flt[0] += (flt[1] * CUTOFF_1); \
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\
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flt[5] = (flt[1] + flt[2]) - (flt[4] * RESONANCE) - flt[3]; \
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flt[4] += (flt[5] * CUTOFF_2); \
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flt[3] += (flt[4] * 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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GstWaveScope *scope = (GstWaveScope *) base;
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gint channels = base->channels;
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guint i, c, s, x, y, oy;
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gfloat dx, dy;
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guint w = base->width;
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guint h = base->height, h1 = h - 2;
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gdouble *flt = scope->flt;
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/* draw dots */
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dx = (gfloat) w / (gfloat) num_samples;
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dy = h / 65536.0;
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oy = h / 2;
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for (c = 0; c < channels; c++) {
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s = c;
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for (i = 0; i < num_samples; i++) {
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x = (guint) ((gfloat) i * dx);
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filter ((gfloat) adata[s]);
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y = (guint) (oy + flt[0] * dy);
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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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y = (guint) (oy + flt[3] * dy);
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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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y = (guint) (oy + (flt[4] + flt[5]) * dy);
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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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s += channels;
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}
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flt += 6;
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}
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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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GstWaveScope *scope = (GstWaveScope *) base;
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gint channels = base->channels;
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guint i, c, s, x, y, oy;
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gfloat dx, dy;
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guint w = base->width;
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guint h = base->height, h1 = h - 2;
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gdouble *flt = scope->flt;
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gint x2, y2, y3, y4;
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/* draw lines */
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dx = (gfloat) (w - 1) / (gfloat) num_samples;
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dy = (h - 1) / 65536.0;
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oy = (h - 1) / 2;
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for (c = 0; c < channels; c++) {
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s = c;
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/* do first pixels */
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x2 = 0;
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filter ((gfloat) adata[s]);
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y = (guint) (oy + flt[0] * dy);
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y2 = CLAMP (y, 0, h1);
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y = (guint) (oy + flt[3] * dy);
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y3 = CLAMP (y, 0, h1);
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y = (guint) (oy + (flt[4] + flt[5]) * dy);
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y4 = CLAMP (y, 0, h1);
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for (i = 1; i < num_samples; i++) {
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x = (guint) ((gfloat) i * dx);
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filter ((gfloat) adata[s]);
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y = (guint) (oy + flt[0] * dy);
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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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y2 = y;
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y = (guint) (oy + flt[3] * dy);
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y = CLAMP (y, 0, h1);
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draw_line_aa (vdata, x2, x, y3, y, w, 0x0000FF00);
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y3 = y;
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y = (guint) (oy + (flt[4] + flt[5]) * dy);
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y = CLAMP (y, 0, h1);
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draw_line_aa (vdata, x2, x, y4, y, w, 0x000000FF);
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y4 = y;
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x2 = x;
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s += channels;
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}
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flt += 6;
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}
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}
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static gboolean
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gst_wave_scope_render (GstBaseAudioVisualizer * base, GstBuffer * audio,
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GstBuffer * video)
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@ -42,6 +42,9 @@ struct _GstWaveScope
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/* < private > */
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GstWaveScopeProcessFunc process;
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gint style;
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/* filter specific data */
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gdouble *flt;
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};
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struct _GstWaveScopeClass
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