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lavfi/histogram: make it C90 compliant
Signed-off-by: Paul B Mahol <onemda@gmail.com>
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@ -196,6 +196,8 @@ static int filter_frame(AVFilterLink *inlink, AVFilterBufferRef *in)
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switch (h->mode) {
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case MODE_LEVELS:
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for (k = 0; k < h->ncomp; k++) {
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int start = k * (h->level_height + h->scale_height);
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for (i = 0; i < in->video->h; i++) {
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src = in->data[k] + i * in->linesize[k];
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for (j = 0; j < in->video->w; j++)
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@ -205,7 +207,6 @@ static int filter_frame(AVFilterLink *inlink, AVFilterBufferRef *in)
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for (i = 0; i < 256; i++)
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h->max_hval = FFMAX(h->max_hval, h->histogram[i]);
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int start = k * (h->level_height + h->scale_height);
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for (i = 0; i < outlink->w; i++) {
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int col_height = h->level_height - (float)h->histogram[i] / h->max_hval * h->level_height;
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