shithub: libvpx

Info  •  Files  •  Log  •  Branches

BUG FIX: Remove counts param

member access within null pointer of type 'FRAME_COUNTS'

Change-Id: Id3bf75e0a6f2a1abf8522cf9fbb98b3a4443de38

--- a/vp9/decoder/vp9_detokenize.c

+++ b/vp9/decoder/vp9_detokenize.c

@@ -59,10 +59,8 @@

   const vp9_prob (*coef_probs)[COEFF_CONTEXTS][UNCONSTRAINED_NODES] =

       fc->coef_probs[tx_size][type][ref];

   const vp9_prob *prob;

-  unsigned int (*coef_counts)[COEFF_CONTEXTS][UNCONSTRAINED_NODES + 1] =

-      counts->coef[tx_size][type][ref];

-  unsigned int (*eob_branch_count)[COEFF_CONTEXTS] =

-      counts->eob_branch[tx_size][type][ref];

+  unsigned int (*coef_counts)[COEFF_CONTEXTS][UNCONSTRAINED_NODES + 1];

+  unsigned int (*eob_branch_count)[COEFF_CONTEXTS];

   uint8_t token_cache[32 * 32];

   const uint8_t *band_translate = get_band_translate(tx_size);

   const int dq_shift = (tx_size == TX_32X32);

@@ -74,6 +72,11 @@

   const uint8_t *cat4_prob;

   const uint8_t *cat5_prob;

   const uint8_t *cat6_prob;

+

+  if (counts) {

+    coef_counts = counts->coef[tx_size][type][ref];

+    eob_branch_count = counts->eob_branch[tx_size][type][ref];

+  }

 #if CONFIG_VP9_HIGHBITDEPTH

   if (xd->bd > VPX_BITS_8) {