#include "internal.h"
enum DisplayMode { LINE, BAR, DOT, NB_MODES };
+enum ChannelMode { COMBINED, SEPARATE, NB_CMODES };
enum FrequencyScale { FS_LINEAR, FS_LOG, FS_RLOG, NB_FSCALES };
enum AmplitudeScale { AS_LINEAR, AS_SQRT, AS_CBRT, AS_LOG, NB_ASCALES };
enum WindowFunc { WFUNC_RECT, WFUNC_HANNING, WFUNC_HAMMING, WFUNC_BLACKMAN,
const AVClass *class;
int w, h;
int mode;
+ int cmode;
int fft_bits;
int ascale, fscale;
int avg;
{ "overlap", "set window overlap", OFFSET(overlap), AV_OPT_TYPE_FLOAT, {.dbl=1.}, 0., 1., FLAGS },
{ "averaging", "set time averaging", OFFSET(avg), AV_OPT_TYPE_INT, {.i64=1}, 0, INT32_MAX, FLAGS },
{ "colors", "set channels colors", OFFSET(colors), AV_OPT_TYPE_STRING, {.str = "red|green|blue|yellow|orange|lime|pink|magenta|brown" }, 0, 0, FLAGS },
+ { "cmode", "set channel mode", OFFSET(cmode), AV_OPT_TYPE_INT, {.i64=COMBINED}, 0, NB_CMODES-1, FLAGS, "cmode" },
+ { "combined", "show all channels in same window", 0, AV_OPT_TYPE_CONST, {.i64=COMBINED}, 0, 0, FLAGS, "cmode" },
+ { "separate", "show each channel in own window", 0, AV_OPT_TYPE_CONST, {.i64=SEPARATE}, 0, 0, FLAGS, "cmode" },
{ NULL }
};
const float avg = s->avg_data[ch][f];
const float bsize = get_bsize(s, f);
const int sx = get_sx(s, f);
+ int end = outlink->h;
int x, y, i;
switch(s->ascale) {
a = 1.0 - a;
break;
}
- y = a * outlink->h - 1;
+
+ switch (s->cmode) {
+ case COMBINED:
+ y = a * outlink->h - 1;
+ break;
+ case SEPARATE:
+ end = (outlink->h / s->nb_channels) * (ch + 1);
+ y = (outlink->h / s->nb_channels) * ch + a * (outlink->h / s->nb_channels) - 1;
+ break;
+ }
if (y < 0)
return;
break;
case BAR:
for (x = sx; x < sx + bsize && x < w; x++)
- for (i = y; i < outlink->h; i++)
+ for (i = y; i < end; i++)
draw_dot(out, x, i, fg);
break;
case DOT: