ref: 4227bead55e29c15efcf9b9e80db5240f4cf8b28
parent: 0fc550221585d252f2beb3b6720469875673910b
author: xiaotiansf <[email protected]>
date: Fri Mar 1 11:47:10 EST 2019
Fix ossz-buzz reported bug 13457. (Don't try to dereference never existing P referemece->reference.
--- a/codec/decoder/core/src/decoder.cpp
+++ b/codec/decoder/core/src/decoder.cpp
@@ -167,6 +167,9 @@
static void ResetRefPicReferences (const PWelsDecoderContext& pCtx, const PPicture& inPPic) {
//seach and reset the references of deleted references.
+ if (pCtx->eSliceType != B_SLICE) {
+ return;
+ }
for (int32_t list = LIST_0; list < LIST_A; ++list) {
int32_t refIdx = 0;
PPicture pPic = pCtx->sRefPic.pRefList[list][refIdx];
--- a/codec/decoder/plus/src/welsDecoderExt.cpp
+++ b/codec/decoder/plus/src/welsDecoderExt.cpp
@@ -581,12 +581,6 @@
eNalType = m_pDecContext->sCurNalHead.eNalUnitType;
- if ((m_pDecContext->iErrorCode & dsRefLost) && m_pDecContext->eSliceType == B_SLICE) {
- if (ResetDecoder()) {
- return dsRefLost;
- }
- return dsErrorFree;
- }
if (m_pDecContext->iErrorCode & dsOutOfMemory) {
if (ResetDecoder()) {
return dsOutOfMemory;