1 files changed, 26 insertions, 1 deletions
diff --git a/videocodec/OMXVideoDecoderVP9Hybrid.cpp b/videocodec/OMXVideoDecoderVP9Hybrid.cpp
index 55d481a..db400ca 100644
--- a/videocodec/OMXVideoDecoderVP9Hybrid.cpp
+++ b/videocodec/OMXVideoDecoderVP9Hybrid.cpp
@@ -25,6 +25,10 @@
 #include <hardware/gralloc.h>
 #include <system/graphics.h>
 
+// codec number limitation
+#define INSTANCE_LIMITATION 4
+static int gInstanceNumber = 0;
+
 static const char* VP9_MIME_TYPE = "video/x-vnd.on2.vp9";
 
 OMXVideoDecoderVP9Hybrid::OMXVideoDecoderVP9Hybrid() {
@@ -51,6 +55,7 @@ OMXVideoDecoderVP9Hybrid::OMXVideoDecoderVP9Hybrid() {
 }
 
 OMXVideoDecoderVP9Hybrid::~OMXVideoDecoderVP9Hybrid() {
+    gInstanceNumber --;
     LOGV("OMXVideoDecoderVP9Hybrid is destructed.");
 }
 
@@ -566,4 +571,24 @@ bool OMXVideoDecoderVP9Hybrid::IsAllBufferAvailable(void) {
     return mCheckBufferAvailable(mHybridCtx);
 }
 
-DECLARE_OMX_COMPONENT("OMX.Intel.VideoDecoder.VP9.hybrid", "video_decoder.vp9", OMXVideoDecoderVP9Hybrid);
+#define DECLARE_OMX_COMPONENT_VP9(NAME, ROLE, CLASS) \
+    static const char *gName = (const char *)(NAME);\
+    static const char *gRole = (const char *)(ROLE);\
+    OMX_ERRORTYPE CreateInstance(OMX_PTR *instance) {\
+        *instance = NULL;\
+        if (gInstanceNumber + 1 > INSTANCE_LIMITATION) {\
+            return OMX_ErrorInsufficientResources;\
+        } else {\
+            gInstanceNumber ++;\
+        }\
+        ComponentBase *inst = new CLASS;\
+        if (!inst) {\
+            return OMX_ErrorInsufficientResources;\
+        }\
+        *instance = inst;\
+        return OMX_ErrorNone;\
+    }\
+    struct wrs_omxil_cmodule_ops_s gOps = {CreateInstance};\
+    struct wrs_omxil_cmodule_s WRS_OMXIL_CMODULE_SYMBOL = {gName, &gRole, 1, &gOps};
+
+DECLARE_OMX_COMPONENT_VP9("OMX.Intel.VideoDecoder.VP9.hybrid", "video_decoder.vp9", OMXVideoDecoderVP9Hybrid);