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[automerger] Add few more checks for invalid parameters in sps am: 2f30da4ca2 am: 59c1e4d23e

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Change-Id: I0fd5c034d6e975e3895d32d4f13a7ae5c68396d9
This commit is contained in:
Android Build Merger (Role) 2019-05-07 20:47:44 +00:00
commit 7dbf2eeb7f
2 changed files with 28 additions and 1 deletions
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9
common/ihevc_defs.h
View file

@ -294,10 +294,14 @@ typedef enum {
/* CTB Size Range */
#define MAX_CTB_SIZE 64
#define MIN_CTB_SIZE 16
#define LOG2_MAX_CTB_SIZE 6
#define LOG2_MIN_CTB_SIZE 4
/* TU Size Range */
#define MAX_TU_SIZE 32
#define MIN_TU_SIZE 4
#define LOG2_MAX_TU_SIZE 5
#define LOG2_MIN_TU_SIZE 2
/* Max Transform Size */
#define MAX_TRANS_SIZE (MAX_TU_SIZE*MAX_TU_SIZE)
@ -305,11 +309,14 @@ typedef enum {
/* PU Size Range */
#define MAX_PU_SIZE 64
#define MIN_PU_SIZE 4
#define LOG2_MAX_PU_SIZE 6
#define LOG2_MIN_PU_SIZE 2
/* CU Size Range */
#define MAX_CU_SIZE 64
#define MIN_CU_SIZE 8
#define LOG2_MAX_CU_SIZE 6
#define LOG2_MIN_CU_SIZE 3
/* Number of max TU in a CTB row */
#define MAX_TU_IN_CTB_ROW ((MAX_CTB_SIZE / MIN_TU_SIZE))

20
decoder/ihevcd_parse_headers.c
View file

@ -1381,17 +1381,37 @@ IHEVCD_ERROR_T ihevcd_parse_sps(codec_t *ps_codec)
}
UEV_PARSE("log2_min_coding_block_size_minus3", value, ps_bitstrm);
if(value > (LOG2_MAX_CU_SIZE - 3))
{
return IHEVCD_INVALID_PARAMETER;
}
ps_sps->i1_log2_min_coding_block_size = value + 3;
UEV_PARSE("log2_diff_max_min_coding_block_size", value, ps_bitstrm);
if(value > (LOG2_MAX_CU_SIZE - LOG2_MIN_CU_SIZE))
{
return IHEVCD_INVALID_PARAMETER;
}
ps_sps->i1_log2_diff_max_min_coding_block_size = value;
ctb_log2_size_y = ps_sps->i1_log2_min_coding_block_size + ps_sps->i1_log2_diff_max_min_coding_block_size;
UEV_PARSE("log2_min_transform_block_size_minus2", value, ps_bitstrm);
if(value > (LOG2_MAX_TU_SIZE - 2))
{
return IHEVCD_INVALID_PARAMETER;
}
ps_sps->i1_log2_min_transform_block_size = value + 2;
if(ps_sps->i1_log2_min_transform_block_size >= ps_sps->i1_log2_min_coding_block_size)
{
return IHEVCD_INVALID_PARAMETER;
}
UEV_PARSE("log2_diff_max_min_transform_block_size", value, ps_bitstrm);
if(value > (LOG2_MAX_TU_SIZE - LOG2_MIN_TU_SIZE))
{
return IHEVCD_INVALID_PARAMETER;
}
ps_sps->i1_log2_diff_max_min_transform_block_size = value;
ps_sps->i1_log2_max_transform_block_size = ps_sps->i1_log2_min_transform_block_size +