helix-aac: add MACRO for PNS feature to disable MPEG4 support

Signed-off-by: ligd <[email protected]>
open-vela · Jan 14, 2025 · fdd6b5a · fdd6b5a
1 parent 5c67787
commit fdd6b5a
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Showing 2 changed files with 18 additions and 0 deletions.
diff --git a/aaccommon.h b/aaccommon.h
@@ -49,6 +49,10 @@
 #include "Arduino.h"
 //#include <pgmspace.h>
 
+#ifdef CONFIG_LIB_HELIX_AAC_PNS
+  #define AAC_ENABLE_PNS 1
+#endif
+
 #ifdef CONFIG_LIB_HELIX_AAC_SBR
   #define AAC_ENABLE_SBR 1
 #endif

diff --git a/pns.c b/pns.c
@@ -46,6 +46,8 @@
 #include "coder.h"
 #include "assembly.h"
 
+#ifdef AAC_ENABLE_PNS
+
 /**************************************************************************************
  * Function:    Get32BitVal
  *
@@ -363,3 +365,15 @@ int PNS(AACDecInfo *aacDecInfo, int ch)
 
 	return 0;
 }
+
+#else
+
+int PNS(AACDecInfo *aacDecInfo, int ch)
+{
+    if (aacDecInfo->pnsUsed)
+        return ERR_AAC_PNS;
+    else
+        return ERR_AAC_NONE;
+}
+
+#endif