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avfilter/avf_showvolume: improve step for vertical orientation

This commit is contained in:
Paul B Mahol 2023-11-18 23:44:18 +01:00
parent 3ed2225a9d
commit 7c16bf0829
1 changed files with 3 additions and 3 deletions
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6
libavfilter/avf_showvolume.c
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@ -370,13 +370,13 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *insamples)
max = av_clipf(max, 0, 1);
max_draw = calc_max_draw(s, outlink, max);
for (j = max_draw; j < s->w; j++) {
for (j = s->w - 1; j >= max_draw; j--) {
uint8_t *dst = s->out->data[0] + j * s->out->linesize[0] + c * (s->b + s->h) * 4;
for (k = 0; k < s->h; k++) {
AV_WN32A(&dst[k * 4], lut[s->w - j - 1]);
if (j & step)
j += step;
}
if (j & step)
j -= step;
}
if (s->draw_persistent_duration > 0.) {