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avcodec/pngdec: apng: fix output buffer filling when no blending is needed.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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@ -927,7 +927,17 @@ static int handle_p_frame_apng(AVCodecContext *avctx, PNGDecContext *s,
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pd += s->image_linesize;
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pd_last += s->image_linesize;
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}
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} else {
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for (j = s->y_offset; j < s->y_offset + s->cur_h; j++) {
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for (i = 0; i < s->x_offset * s->bpp; i++)
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pd[i] = pd_last[i];
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for (i = (s->x_offset + s->cur_w) * s->bpp; i < ls; i++)
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pd[i] = pd_last[i];
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pd += s->image_linesize;
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pd_last += s->image_linesize;
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}
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}
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for (j = s->y_offset + s->cur_h; j < s->height; j++) {
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for (i = 0; i < ls; i++)
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pd[i] = pd_last[i];
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