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[automerger] Add limits check for the CTB position in a frame am: 5a3dafc324 am: 1b95d7fa97 am: 0a5e519fc7 am: 10a9188110 am: 9d02c4ce08 am: 7a67bf3a4b am: 0f839f5785 am: b02053d366

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am: b37c780786

Change-Id: I3a6fc5ebc131e6710c790b56585d62f7657b7c93
This commit is contained in:
Shubham Tandle 2018-10-11 17:28:49 -07:00 • committed by android-build-merger
commit 6423e5127b
1 changed files with 23 additions and 7 deletions
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30
decoder/ihevcd_parse_headers.c
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@ -1911,16 +1911,32 @@ IHEVCD_ERROR_T ihevcd_parse_pps(codec_t *ps_codec)
ps_pps->i1_tiles_enabled_flag = value;
/* When tiles are enabled and width or height is >= 4096,
* CTB Size should at least be 32. 16x16 CTBs can result
* in tile position greater than 255 for 4096,
* CTB Size should at least be 32 while if width or height is >= 8192,
* CTB Size should at least be 64 and so on. 16x16 CTBs can result
* in tile position greater than 255 for 4096 while 32x32 CTBs can result
* in tile position greater than 255 for 8192,
* which decoder does not support.
*/
if((ps_pps->i1_tiles_enabled_flag) &&
(ps_sps->i1_log2_ctb_size == 4) &&
((ps_sps->i2_pic_width_in_luma_samples >= 4096) ||
(ps_sps->i2_pic_height_in_luma_samples >= 4096)))
if (ps_pps->i1_tiles_enabled_flag)
{
return IHEVCD_INVALID_HEADER;
if((ps_sps->i1_log2_ctb_size == 4) &&
((ps_sps->i2_pic_width_in_luma_samples >= 4096) ||
(ps_sps->i2_pic_height_in_luma_samples >= 4096)))
{
return IHEVCD_INVALID_HEADER;
}
if((ps_sps->i1_log2_ctb_size == 5) &&
((ps_sps->i2_pic_width_in_luma_samples >= 8192) ||
(ps_sps->i2_pic_height_in_luma_samples >= 8192)))
{
return IHEVCD_INVALID_HEADER;
}
if((ps_sps->i1_log2_ctb_size == 6) &&
((ps_sps->i2_pic_width_in_luma_samples >= 16384) ||
(ps_sps->i2_pic_height_in_luma_samples >= 16384)))
{
return IHEVCD_INVALID_HEADER;
}
}
BITS_PARSE("entropy_coding_sync_enabled_flag", value, ps_bitstrm, 1);