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avcodec/hevc_ps: Explicitly check num_tile_* for negative values 

This fixes nothing but maybe helps coverity which does not see that this is failing later

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-05-13 13:53:33 +02:00
parent b195aa5d52
commit 65e5032955
1 changed files with 2 additions and 2 deletions
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4
libavcodec/hevc_ps.c
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@ -1356,14 +1356,14 @@ int ff_hevc_decode_nal_pps(HEVCContext *s)
if (pps->tiles_enabled_flag) {
pps->num_tile_columns = get_ue_golomb_long(gb) + 1;
pps->num_tile_rows = get_ue_golomb_long(gb) + 1;
if (pps->num_tile_columns == 0 ||
if (pps->num_tile_columns <= 0 ||
pps->num_tile_columns >= sps->width) {
av_log(s->avctx, AV_LOG_ERROR, "num_tile_columns_minus1 out of range: %d\n",
pps->num_tile_columns - 1);
ret = AVERROR_INVALIDDATA;
goto err;
}
if (pps->num_tile_rows == 0 ||
if (pps->num_tile_rows <= 0 ||
pps->num_tile_rows >= sps->height) {
av_log(s->avctx, AV_LOG_ERROR, "num_tile_rows_minus1 out of range: %d\n",
pps->num_tile_rows - 1);