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avcodec/dnxhddec: add support for very big resolutions

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Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2017-04-11 00:08:39 +02:00
parent 27ebdcf079
commit 25e491b6f9
2 changed files with 8 additions and 4 deletions
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2
libavcodec/dnxhd_parser.c
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@ -43,7 +43,7 @@ static int dnxhd_get_hr_frame_size(int cid, int w, int h)
if (i < 0)
return i;
result = ((h + 15) / 16) * ((w + 15) / 16) * ff_dnxhd_cid_table[i].packet_scale.num / ff_dnxhd_cid_table[i].packet_scale.den;
result = ((h + 15) / 16) * ((w + 15) / 16) * (int64_t)ff_dnxhd_cid_table[i].packet_scale.num / ff_dnxhd_cid_table[i].packet_scale.den;
result = (result + 2048) / 4096 * 4096;
return FFMAX(result, 8192);