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monoscope: replace hardcoded values by constants

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This at least establishes the relationship.
This commit is contained in:
Stefan Sauer 2016-01-28 09:51:17 +01:00
parent 8d17911b33
commit 292d44316e
1 changed files with 13 additions and 10 deletions
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23
gst/monoscope/gstmonoscope.c
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@ -53,11 +53,15 @@ static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
#if G_BYTE_ORDER == G_BIG_ENDIAN
GST_STATIC_CAPS ("video/x-raw, "
"format = (string) xRGB, "
"width = 256, " "height = 128, " "framerate = " GST_VIDEO_FPS_RANGE)
"width = " G_STRINGIFY (scope_width) ", "
"height = " G_STRINGIFY (scope_height) ", "
"framerate = " GST_VIDEO_FPS_RANGE)
#else
GST_STATIC_CAPS ("video/x-raw, "
"format = (string) BGRx, "
"width = 256, " "height = 128, " "framerate = " GST_VIDEO_FPS_RANGE)
"width = " G_STRINGIFY (scope_width) ", "
"height = " G_STRINGIFY (scope_height) ", "
"framerate = " GST_VIDEO_FPS_RANGE)
#endif
);
@ -133,8 +137,8 @@ gst_monoscope_init (GstMonoscope * monoscope)
monoscope->bps = sizeof (gint16);
/* reset the initial video state */
monoscope->width = 256;
monoscope->height = 128;
monoscope->width = scope_width;
monoscope->height = scope_height;
monoscope->fps_num = 25; /* desired frame rate */
monoscope->fps_denom = 1;
monoscope->visstate = NULL;
@ -398,13 +402,12 @@ gst_monoscope_chain (GstPad * pad, GstObject * parent, GstBuffer * inbuf)
samples = (gint16 *) gst_adapter_map (monoscope->adapter, bytesperframe);
if (monoscope->spf < 512) {
gint16 in_data[512], i;
if (monoscope->spf < convolver_big) {
gint16 in_data[convolver_big], i;
gdouble scale = (gdouble) monoscope->spf / (gdouble) convolver_big;
for (i = 0; i < 512; ++i) {
gdouble off;
off = ((gdouble) i * (gdouble) monoscope->spf) / 512.0;
for (i = 0; i < convolver_big; ++i) {
gdouble off = (gdouble) i * scale;
in_data[i] = samples[MIN ((guint) off, monoscope->spf)];
}
pixels = monoscope_update (monoscope->visstate, in_data);