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Decoder: Added an error check while parsing PPS.

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Added an error check while parsing PPS syntax element
second_chroma_qp_index_offset.

Bug: 37207120

Change-Id: Icba6b7bcf5940505717ee61134ed801c221b6e26
This commit is contained in:
Hamsalekha S 2017-05-10 14:23:48 +05:30 • committed by Marco Nelissen
parent f69e34419b
commit 62f98981ff
1 changed files with 4 additions and 2 deletions
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6
decoder/ih264d_parse_headers.c
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@ -361,11 +361,13 @@ WORD32 ih264d_parse_pps(dec_struct_t * ps_dec, dec_bit_stream_t * ps_bitstrm)
}
/* read second_chroma_qp_index_offset syntax element */
ps_pps->i1_second_chroma_qp_index_offset = ih264d_sev(
i_temp = ih264d_sev(
pu4_bitstrm_ofst, pu4_bitstrm_buf);
if((ps_pps->i1_second_chroma_qp_index_offset + 12) > 24)
if((i_temp < -12) || (i_temp > 12))
return ERROR_INV_RANGE_QP_T;
ps_pps->i1_second_chroma_qp_index_offset = i_temp;
}
/* In case bitstream read has exceeded the filled size, then