{"bar", "draw bars", OFFSET(mode), AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, FLAGS, "mode"},
{"dot", "draw dots", OFFSET(mode), AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, "mode"},
{"line", "draw lines", OFFSET(mode), AV_OPT_TYPE_CONST, {.i64=2}, 0, 0, FLAGS, "mode"},
- { "slide", "set slide mode", OFFSET(slide), AV_OPT_TYPE_INT, {.i64=0}, 0, 2, FLAGS, "slide" },
+ { "slide", "set slide mode", OFFSET(slide), AV_OPT_TYPE_INT, {.i64=0}, 0, 3, FLAGS, "slide" },
{"frame", "draw new frames", OFFSET(slide), AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, FLAGS, "slide"},
{"replace", "replace old columns with new", OFFSET(slide), AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, "slide"},
{"scroll", "scroll from right to left", OFFSET(slide), AV_OPT_TYPE_CONST, {.i64=2}, 0, 0, FLAGS, "slide"},
+ {"rscroll", "scroll from left to right", OFFSET(slide), AV_OPT_TYPE_CONST, {.i64=3}, 0, 0, FLAGS, "slide"},
{ "size", "set graph size", OFFSET(w), AV_OPT_TYPE_IMAGE_SIZE, {.str="900x256"}, 0, 0, FLAGS },
{ "s", "set graph size", OFFSET(w), AV_OPT_TYPE_IMAGE_SIZE, {.str="900x256"}, 0, 0, FLAGS },
{ NULL }
fg = av_expr_eval(s->fg_expr[i], values, NULL);
bg = AV_RN32(s->bg);
- if (i == 0 && s->x >= outlink->w) {
+ if (i == 0 && (s->x >= outlink->w || s->slide == 3)) {
if (s->slide == 0 || s->slide == 1)
s->x = 0;
out->data[0] + j * out->linesize[0] + 4,
(outlink->w - 1) * 4);
}
+ } else if (s->slide == 3) {
+ s->x = 0;
+ for (j = 0; j < outlink->h; j++) {
+ memmove(out->data[0] + j * out->linesize[0] + 4,
+ out->data[0] + j * out->linesize[0],
+ (outlink->w - 1) * 4);
+ }
} else if (s->slide == 0) {
clear_image(s, out, outlink);
}
switch (s->mode) {
case 0:
- if (i == 0 && (s->slide == 1 || s->slide == 2))
+ if (i == 0 && (s->slide > 0))
for (j = 0; j < outlink->h; j++)
draw_dot(bg, x, j, out);
}
break;
case 1:
- if (i == 0 && (s->slide == 1 || s->slide == 2))
+ if (i == 0 && (s->slide > 0))
for (j = 0; j < outlink->h; j++)
draw_dot(bg, x, j, out);
draw_dot(fg, x, y, out);
s->prev_y[i] = y;
}
- if (i == 0 && (s->slide == 1 || s->slide == 2)) {
+ if (i == 0 && (s->slide > 0)) {
for (j = 0; j < y; j++)
draw_dot(bg, x, j, out);
for (j = outlink->h - 1; j > y; j--)