diff --git a/src/core/libraries/videodec/videodec.cpp b/src/core/libraries/videodec/videodec.cpp
index 02ea61509..ae7d17560 100644
--- a/src/core/libraries/videodec/videodec.cpp
+++ b/src/core/libraries/videodec/videodec.cpp
@@ -17,10 +17,12 @@ int PS4_SYSV_ABI sceVideodecCreateDecoder(const OrbisVideodecConfigInfo* pCfgInf
     LOG_INFO(Lib_Videodec, "called");
 
     if (!pCfgInfoIn || !pRsrcInfoIn || !pCtrlOut) {
+        LOG_ERROR(Lib_Videodec, "Invalid arguments");
         return ORBIS_VIDEODEC_ERROR_ARGUMENT_POINTER;
     }
     if (pCfgInfoIn->thisSize != sizeof(OrbisVideodecConfigInfo) ||
         pRsrcInfoIn->thisSize != sizeof(OrbisVideodecResourceInfo)) {
+        LOG_ERROR(Lib_Videodec, "Invalid struct size");
         return ORBIS_VIDEODEC_ERROR_STRUCT_SIZE;
     }
 
@@ -37,15 +39,18 @@ int PS4_SYSV_ABI sceVideodecDecode(OrbisVideodecCtrl* pCtrlIn,
                                    OrbisVideodecPictureInfo* pPictureInfoOut) {
     LOG_TRACE(Lib_Videodec, "called");
     if (!pCtrlIn || !pInputDataIn || !pPictureInfoOut) {
+        LOG_ERROR(Lib_Videodec, "Invalid arguments");
         return ORBIS_VIDEODEC_ERROR_ARGUMENT_POINTER;
     }
     if (pCtrlIn->thisSize != sizeof(OrbisVideodecCtrl) ||
         pFrameBufferInOut->thisSize != sizeof(OrbisVideodecFrameBuffer)) {
+        LOG_ERROR(Lib_Videodec, "Invalid struct size");
         return ORBIS_VIDEODEC_ERROR_STRUCT_SIZE;
     }
 
     VdecDecoder* decoder = (VdecDecoder*)pCtrlIn->handle;
     if (!decoder) {
+        LOG_ERROR(Lib_Videodec, "Invalid decoder handle");
         return ORBIS_VIDEODEC_ERROR_HANDLE;
     }
     return decoder->Decode(*pInputDataIn, *pFrameBufferInOut, *pPictureInfoOut);
@@ -56,6 +61,7 @@ int PS4_SYSV_ABI sceVideodecDeleteDecoder(OrbisVideodecCtrl* pCtrlIn) {
 
     VdecDecoder* decoder = (VdecDecoder*)pCtrlIn->handle;
     if (!decoder) {
+        LOG_ERROR(Lib_Videodec, "Invalid decoder handle");
         return ORBIS_VIDEODEC_ERROR_HANDLE;
     }
     delete decoder;
@@ -68,15 +74,18 @@ int PS4_SYSV_ABI sceVideodecFlush(OrbisVideodecCtrl* pCtrlIn,
     LOG_INFO(Lib_Videodec, "called");
 
     if (!pFrameBufferInOut || !pPictureInfoOut) {
+        LOG_ERROR(Lib_Videodec, "Invalid arguments");
         return ORBIS_VIDEODEC_ERROR_ARGUMENT_POINTER;
     }
     if (pFrameBufferInOut->thisSize != sizeof(OrbisVideodecFrameBuffer) ||
         pPictureInfoOut->thisSize != sizeof(OrbisVideodecPictureInfo)) {
+        LOG_ERROR(Lib_Videodec, "Invalid struct size");
         return ORBIS_VIDEODEC_ERROR_STRUCT_SIZE;
     }
 
     VdecDecoder* decoder = (VdecDecoder*)pCtrlIn->handle;
     if (!decoder) {
+        LOG_ERROR(Lib_Videodec, "Invalid decoder handle");
         return ORBIS_VIDEODEC_ERROR_HANDLE;
     }
     return decoder->Flush(*pFrameBufferInOut, *pPictureInfoOut);
@@ -92,10 +101,12 @@ int PS4_SYSV_ABI sceVideodecQueryResourceInfo(const OrbisVideodecConfigInfo* pCf
     LOG_INFO(Lib_Videodec, "called");
 
     if (!pCfgInfoIn || !pRsrcInfoOut) {
+        LOG_ERROR(Lib_Videodec, "Invalid arguments");
         return ORBIS_VIDEODEC_ERROR_ARGUMENT_POINTER;
     }
     if (pCfgInfoIn->thisSize != sizeof(OrbisVideodecConfigInfo) ||
         pRsrcInfoOut->thisSize != sizeof(OrbisVideodecResourceInfo)) {
+        LOG_ERROR(Lib_Videodec, "Invalid struct size");
         return ORBIS_VIDEODEC_ERROR_STRUCT_SIZE;
     }
 
diff --git a/src/core/libraries/videodec/videodec2.cpp b/src/core/libraries/videodec/videodec2.cpp
index a7e520b41..4f9379151 100644
--- a/src/core/libraries/videodec/videodec2.cpp
+++ b/src/core/libraries/videodec/videodec2.cpp
@@ -17,9 +17,11 @@ sceVideodec2QueryComputeMemoryInfo(OrbisVideodec2ComputeMemoryInfo* computeMemIn
     LOG_INFO(Lib_Vdec2, "called");
 
     if (!computeMemInfo) {
+        LOG_ERROR(Lib_Vdec2, "Invalid arguments");
         return ORBIS_VIDEODEC2_ERROR_ARGUMENT_POINTER;
     }
     if (computeMemInfo->thisSize != sizeof(OrbisVideodec2ComputeMemoryInfo)) {
+        LOG_ERROR(Lib_Vdec2, "Invalid struct size");
         return ORBIS_VIDEODEC2_ERROR_STRUCT_SIZE;
     }
 
@@ -47,10 +49,12 @@ sceVideodec2QueryDecoderMemoryInfo(const OrbisVideodec2DecoderConfigInfo* decode
     LOG_INFO(Lib_Vdec2, "called");
 
     if (!decoderCfgInfo || !decoderMemInfo) {
+        LOG_ERROR(Lib_Vdec2, "Invalid arguments");
         return ORBIS_VIDEODEC2_ERROR_ARGUMENT_POINTER;
     }
     if (decoderCfgInfo->thisSize != sizeof(OrbisVideodec2DecoderConfigInfo) ||
         decoderMemInfo->thisSize != sizeof(OrbisVideodec2DecoderMemoryInfo)) {
+        LOG_ERROR(Lib_Vdec2, "Invalid struct size");
         return ORBIS_VIDEODEC2_ERROR_STRUCT_SIZE;
     }
 
@@ -74,10 +78,12 @@ s32 PS4_SYSV_ABI sceVideodec2CreateDecoder(const OrbisVideodec2DecoderConfigInfo
     LOG_INFO(Lib_Vdec2, "called");
 
     if (!decoderCfgInfo || !decoderMemInfo || !decoder) {
+        LOG_ERROR(Lib_Vdec2, "Invalid arguments");
         return ORBIS_VIDEODEC2_ERROR_ARGUMENT_POINTER;
     }
     if (decoderCfgInfo->thisSize != sizeof(OrbisVideodec2DecoderConfigInfo) ||
         decoderMemInfo->thisSize != sizeof(OrbisVideodec2DecoderMemoryInfo)) {
+        LOG_ERROR(Lib_Vdec2, "Invalid struct size");
         return ORBIS_VIDEODEC2_ERROR_STRUCT_SIZE;
     }
 
@@ -89,6 +95,7 @@ s32 PS4_SYSV_ABI sceVideodec2DeleteDecoder(OrbisVideodec2Decoder decoder) {
     LOG_INFO(Lib_Vdec2, "called");
 
     if (!decoder) {
+        LOG_ERROR(Lib_Vdec2, "Invalid arguments");
         return ORBIS_VIDEODEC2_ERROR_DECODER_INSTANCE;
     }
 
@@ -103,13 +110,16 @@ s32 PS4_SYSV_ABI sceVideodec2Decode(OrbisVideodec2Decoder decoder,
     LOG_TRACE(Lib_Vdec2, "called");
 
     if (!decoder) {
+        LOG_ERROR(Lib_Vdec2, "Invalid decoder instance");
         return ORBIS_VIDEODEC2_ERROR_DECODER_INSTANCE;
     }
     if (!inputData || !frameBuffer || !outputInfo) {
+        LOG_ERROR(Lib_Vdec2, "Invalid arguments");
         return ORBIS_VIDEODEC2_ERROR_ARGUMENT_POINTER;
     }
     if (inputData->thisSize != sizeof(OrbisVideodec2InputData) ||
         frameBuffer->thisSize != sizeof(OrbisVideodec2FrameBuffer)) {
+        LOG_ERROR(Lib_Vdec2, "Invalid struct size");
         return ORBIS_VIDEODEC2_ERROR_STRUCT_SIZE;
     }
 
@@ -122,13 +132,16 @@ s32 PS4_SYSV_ABI sceVideodec2Flush(OrbisVideodec2Decoder decoder,
     LOG_INFO(Lib_Vdec2, "called");
 
     if (!decoder) {
+        LOG_ERROR(Lib_Vdec2, "Invalid decoder instance");
         return ORBIS_VIDEODEC2_ERROR_DECODER_INSTANCE;
     }
     if (!frameBuffer || !outputInfo) {
+        LOG_ERROR(Lib_Vdec2, "Invalid arguments");
         return ORBIS_VIDEODEC2_ERROR_ARGUMENT_POINTER;
     }
     if (frameBuffer->thisSize != sizeof(OrbisVideodec2FrameBuffer) ||
         outputInfo->thisSize != sizeof(OrbisVideodec2OutputInfo)) {
+        LOG_ERROR(Lib_Vdec2, "Invalid struct size");
         return ORBIS_VIDEODEC2_ERROR_STRUCT_SIZE;
     }
 
@@ -139,6 +152,7 @@ s32 PS4_SYSV_ABI sceVideodec2Reset(OrbisVideodec2Decoder decoder) {
     LOG_INFO(Lib_Vdec2, "called");
 
     if (!decoder) {
+        LOG_ERROR(Lib_Vdec2, "Invalid decoder instance");
         return ORBIS_VIDEODEC2_ERROR_DECODER_INSTANCE;
     }
 
@@ -150,12 +164,15 @@ s32 PS4_SYSV_ABI sceVideodec2GetPictureInfo(const OrbisVideodec2OutputInfo* outp
     LOG_TRACE(Lib_Vdec2, "called");
 
     if (!outputInfo) {
+        LOG_ERROR(Lib_Vdec2, "Invalid arguments");
         return ORBIS_VIDEODEC2_ERROR_ARGUMENT_POINTER;
     }
     if (outputInfo->thisSize != sizeof(OrbisVideodec2OutputInfo)) {
+        LOG_ERROR(Lib_Vdec2, "Invalid struct size");
         return ORBIS_VIDEODEC2_ERROR_STRUCT_SIZE;
     }
     if (outputInfo->pictureCount == 0 || gPictureInfos.empty()) {
+        LOG_ERROR(Lib_Vdec2, "No picture info available");
         return ORBIS_OK;
     }
 
@@ -163,6 +180,7 @@ s32 PS4_SYSV_ABI sceVideodec2GetPictureInfo(const OrbisVideodec2OutputInfo* outp
         OrbisVideodec2AvcPictureInfo* picInfo =
             static_cast<OrbisVideodec2AvcPictureInfo*>(p1stPictureInfoOut);
         if (picInfo->thisSize != sizeof(OrbisVideodec2AvcPictureInfo)) {
+            LOG_ERROR(Lib_Vdec2, "Invalid struct size");
             return ORBIS_VIDEODEC2_ERROR_STRUCT_SIZE;
         }
         *picInfo = gPictureInfos.back();