C2SoftAvcDec: Use a macro to control keep threads active flag

This change enables the keep threads active param
through a macro which makes it easier to change
when needed

Bug: 289097296
Test: atest android.mediav2.cts
      atest android.media.decoder.cts
      atest VtsHalMediaC2V1_0TargetVideoDecTest

Change-Id: I786716ce841812bd9d6d514a2ab61d00d5ad632e
diff --git a/media/codec2/components/avc/Android.bp b/media/codec2/components/avc/Android.bp
index a7ae85b..8ccb9ac 100644
--- a/media/codec2/components/avc/Android.bp
+++ b/media/codec2/components/avc/Android.bp
@@ -17,6 +17,10 @@
 
     static_libs: ["libavcdec"],
 
+    cflags: [
+        "-DKEEP_THREADS_ACTIVE=1",
+    ],
+
     srcs: ["C2SoftAvcDec.cpp"],
 
     export_include_dirs: ["."],
diff --git a/media/codec2/components/avc/C2SoftAvcDec.cpp b/media/codec2/components/avc/C2SoftAvcDec.cpp
index 3385b95..77fdeb9 100644
--- a/media/codec2/components/avc/C2SoftAvcDec.cpp
+++ b/media/codec2/components/avc/C2SoftAvcDec.cpp
@@ -16,6 +16,9 @@
 
 //#define LOG_NDEBUG 0
 #define LOG_TAG "C2SoftAvcDec"
+#ifndef KEEP_THREADS_ACTIVE
+#define KEEP_THREADS_ACTIVE 0
+#endif
 #include <log/log.h>
 
 #include <media/stagefright/foundation/MediaDefs.h>
@@ -416,7 +419,7 @@
     ivdext_create_op_t s_create_op = {};
 
     s_create_ip.s_ivd_create_ip_t.u4_size = sizeof(ivdext_create_ip_t);
-    s_create_ip.u4_keep_threads_active = 1;
+    s_create_ip.u4_keep_threads_active = KEEP_THREADS_ACTIVE;
     s_create_ip.s_ivd_create_ip_t.e_cmd = IVD_CMD_CREATE;
     s_create_ip.s_ivd_create_ip_t.u4_share_disp_buf = 0;
     s_create_ip.s_ivd_create_ip_t.e_output_format = mIvColorFormat;