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Check change in CTB size when decoding multiple SPS with same id

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If an SPS is being overwritten, ensure CTB size remains same.
If not, return from decoder and reset the decoder state in the
subsequent decode call.

Bug: 140322595
Test: poc in bug

Change-Id: I5f1e52d3bd2b48874a088ab32054f5a89e62eeb5
This commit is contained in:
Harish Mahendrakar 2019-09-13 16:52:49 -07:00 • committed by Ray Essick
parent 9fcd94f316
commit 70940fbabd
1 changed files with 13 additions and 0 deletions
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13
decoder/ihevcd_parse_headers.c
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@ -1675,6 +1675,19 @@ IHEVCD_ERROR_T ihevcd_parse_sps(codec_t *ps_codec)
{
return IHEVCD_INVALID_PARAMETER;
}
/* Check if CTB size is different in case of multiple SPS with same ID */
{
sps_t *ps_sps_old = (ps_codec->s_parse.ps_sps_base + sps_id);
if(ps_sps_old->i1_sps_valid && ps_sps_old->i1_log2_ctb_size != ctb_log2_size_y)
{
if(0 == ps_codec->i4_first_pic_done)
{
return IHEVCD_INVALID_PARAMETER;
}
ps_codec->i4_reset_flag = 1;
return (IHEVCD_ERROR_T)IVD_RES_CHANGED;
}
}
ps_sps->i1_log2_ctb_size = ctb_log2_size_y;
UEV_PARSE("log2_min_transform_block_size_minus2", value, ps_bitstrm);