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hevc: Allow out of bound values for num_reorder_pics
This fixes decoding for a sample that cannot be shared Signed-off-by: Anton Khirnov <anton@khirnov.net>
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593d2326ef
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@ -375,9 +375,10 @@ int ff_hevc_decode_nal_vps(HEVCContext *s)
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goto err;
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}
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if (vps->vps_num_reorder_pics[i] > vps->vps_max_dec_pic_buffering[i] - 1) {
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av_log(s->avctx, AV_LOG_ERROR, "vps_max_num_reorder_pics out of range: %d\n",
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av_log(s->avctx, AV_LOG_WARNING, "vps_max_num_reorder_pics out of range: %d\n",
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vps->vps_num_reorder_pics[i]);
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goto err;
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if (s->avctx->err_recognition & AV_EF_EXPLODE)
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goto err;
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}
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}
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@ -760,10 +761,14 @@ int ff_hevc_decode_nal_sps(HEVCContext *s)
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goto err;
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}
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if (sps->temporal_layer[i].num_reorder_pics > sps->temporal_layer[i].max_dec_pic_buffering - 1) {
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av_log(s->avctx, AV_LOG_ERROR, "sps_max_num_reorder_pics out of range: %d\n",
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av_log(s->avctx, AV_LOG_WARNING, "sps_max_num_reorder_pics out of range: %d\n",
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sps->temporal_layer[i].num_reorder_pics);
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ret = AVERROR_INVALIDDATA;
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goto err;
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if (s->avctx->err_recognition & AV_EF_EXPLODE ||
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sps->temporal_layer[i].num_reorder_pics > MAX_DPB_SIZE - 1) {
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ret = AVERROR_INVALIDDATA;
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goto err;
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}
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sps->temporal_layer[i].max_dec_pic_buffering = sps->temporal_layer[i].num_reorder_pics + 1;
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}
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}
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