1
0
mirror of https://github.com/mstorsjo/fdk-aac.git synced 2025-06-05 22:39:13 +02:00

Merge "Fix potential invalid memory access for concealment in decodeEnvelope()" am: 6acfe3b799

am: 3d9793633e

Change-Id: Iba356069f8d51e6a2afd199f62b84867dd34902e
This commit is contained in:
Jean-Michel Trivi
2018-12-28 15:17:50 -08:00
committed by android-build-merger

View File

@@ -506,15 +506,20 @@ static void decodeEnvelope(
*/
for (i = 0; i < hHeaderData->freqBandData.nSfb[1]; i++) {
/* Former Level-Channel will be used for both channels */
if (h_prev_data->coupling == COUPLING_BAL)
h_prev_data->sfb_nrg_prev[i] = otherChannel->sfb_nrg_prev[i];
if (h_prev_data->coupling == COUPLING_BAL) {
h_prev_data->sfb_nrg_prev[i] =
(otherChannel != NULL) ? otherChannel->sfb_nrg_prev[i]
: (FIXP_SGL)SBR_ENERGY_PAN_OFFSET;
}
/* Former L/R will be combined as the new Level-Channel */
else if (h_sbr_data->coupling == COUPLING_LEVEL)
else if (h_sbr_data->coupling == COUPLING_LEVEL &&
otherChannel != NULL) {
h_prev_data->sfb_nrg_prev[i] = (h_prev_data->sfb_nrg_prev[i] +
otherChannel->sfb_nrg_prev[i]) >>
1;
else if (h_sbr_data->coupling == COUPLING_BAL)
} else if (h_sbr_data->coupling == COUPLING_BAL) {
h_prev_data->sfb_nrg_prev[i] = (FIXP_SGL)SBR_ENERGY_PAN_OFFSET;
}
}
}
}