Added AMessage::debugString() for debugging purposes.
Change-Id: Id43ffd2c56d659dc29f37e277f8c7b38f11c1591
diff --git a/include/media/stagefright/foundation/AMessage.h b/include/media/stagefright/foundation/AMessage.h
index 139c620..c674cba 100644
--- a/include/media/stagefright/foundation/AMessage.h
+++ b/include/media/stagefright/foundation/AMessage.h
@@ -60,6 +60,8 @@
sp<AMessage> dup() const;
+ AString debugString(int32_t indent = 0) const;
+
protected:
virtual ~AMessage();
diff --git a/media/libstagefright/foundation/AMessage.cpp b/media/libstagefright/foundation/AMessage.cpp
index dfd1ae3..26c6d42 100644
--- a/media/libstagefright/foundation/AMessage.cpp
+++ b/media/libstagefright/foundation/AMessage.cpp
@@ -16,6 +16,8 @@
#include "AMessage.h"
+#include <ctype.h>
+
#include "AAtomizer.h"
#include "ADebug.h"
#include "ALooperRoster.h"
@@ -238,4 +240,105 @@
return msg;
}
+static void appendIndent(AString *s, int32_t indent) {
+ static const char kWhitespace[] =
+ " "
+ " ";
+
+ CHECK_LT((size_t)indent, sizeof(kWhitespace));
+
+ s->append(kWhitespace, indent);
+}
+
+static bool isFourcc(uint32_t what) {
+ return isprint(what & 0xff)
+ && isprint((what >> 8) & 0xff)
+ && isprint((what >> 16) & 0xff)
+ && isprint((what >> 24) & 0xff);
+}
+
+AString AMessage::debugString(int32_t indent) const {
+ AString s = "AMessage(what = ";
+
+ AString tmp;
+ if (isFourcc(mWhat)) {
+ tmp = StringPrintf(
+ "'%c%c%c%c'",
+ (char)(mWhat >> 24),
+ (char)((mWhat >> 16) & 0xff),
+ (char)((mWhat >> 8) & 0xff),
+ (char)(mWhat & 0xff));
+ } else {
+ tmp = StringPrintf("0x%08x", mWhat);
+ }
+ s.append(tmp);
+
+ if (mTarget != 0) {
+ tmp = StringPrintf(", target = %d", mTarget);
+ s.append(tmp);
+ }
+ s.append(") = {\n");
+
+ for (size_t i = 0; i < mNumItems; ++i) {
+ const Item &item = mItems[i];
+
+ switch (item.mType) {
+ case kTypeInt32:
+ tmp = StringPrintf(
+ "int32_t %s = %d", item.mName, item.u.int32Value);
+ break;
+ case kTypeInt64:
+ tmp = StringPrintf(
+ "int64_t %s = %lld", item.mName, item.u.int64Value);
+ break;
+ case kTypeSize:
+ tmp = StringPrintf(
+ "size_t %s = %d", item.mName, item.u.sizeValue);
+ break;
+ case kTypeFloat:
+ tmp = StringPrintf(
+ "float %s = %f", item.mName, item.u.floatValue);
+ break;
+ case kTypeDouble:
+ tmp = StringPrintf(
+ "double %s = %f", item.mName, item.u.doubleValue);
+ break;
+ case kTypePointer:
+ tmp = StringPrintf(
+ "void *%s = %p", item.mName, item.u.ptrValue);
+ break;
+ case kTypeString:
+ tmp = StringPrintf(
+ "string %s = \"%s\"",
+ item.mName,
+ item.u.stringValue->c_str());
+ break;
+ case kTypeObject:
+ tmp = StringPrintf(
+ "RefBase *%s = %p", item.mName, item.u.refValue);
+ break;
+ case kTypeMessage:
+ tmp = StringPrintf(
+ "AMessage %s = %s",
+ item.mName,
+ static_cast<AMessage *>(
+ item.u.refValue)->debugString(
+ indent + strlen(item.mName) + 14).c_str());
+ break;
+ default:
+ TRESPASS();
+ }
+
+ appendIndent(&s, indent);
+ s.append(" ");
+ s.append(tmp);
+ s.append("\n");
+ }
+
+ appendIndent(&s, indent);
+ s.append("}");
+
+ return s;
+}
+
} // namespace android
