Instantiate HDCP module, add PES_private_data for encrypted streams.

Change-Id: I970f561a56a1d489a392c3480dec13f4ed7b43bd

1 files changed, 90 insertions, 0 deletions

diff --git a/media/libstagefright/wifi-display/Parameters.cpp b/media/libstagefright/wifi-display/Parameters.cpp
new file mode 100644
index 0000000..f7118b3
--- /dev/null
+++ b/media/libstagefright/wifi-display/Parameters.cpp
@@ -0,0 +1,90 @@
+/*
+ * Copyright 2012, The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "Parameters.h"
+
+#include <media/stagefright/MediaErrors.h>
+
+namespace android {
+
+// static
+sp<Parameters> Parameters::Parse(const char *data, size_t size) {
+    sp<Parameters> params = new Parameters;
+    status_t err = params->parse(data, size);
+
+    if (err != OK) {
+        return NULL;
+    }
+
+    return params;
+}
+
+Parameters::Parameters() {}
+
+Parameters::~Parameters() {}
+
+status_t Parameters::parse(const char *data, size_t size) {
+    size_t i = 0;
+    while (i < size) {
+        size_t nameStart = i;
+        while (i < size && data[i] != ':') {
+            ++i;
+        }
+
+        if (i == size || i == nameStart) {
+            return ERROR_MALFORMED;
+        }
+
+        AString name(&data[nameStart], i - nameStart);
+        name.trim();
+        name.tolower();
+
+        ++i;
+
+        size_t valueStart = i;
+
+        while (i + 1 < size && (data[i] != '\r' || data[i + 1] != '\n')) {
+            ++i;
+        }
+
+        AString value(&data[valueStart], i - valueStart);
+        value.trim();
+
+        mDict.add(name, value);
+
+        i += 2;
+    }
+
+    return OK;
+}
+
+bool Parameters::findParameter(const char *name, AString *value) const {
+    AString key = name;
+    key.tolower();
+
+    ssize_t index = mDict.indexOfKey(key);
+
+    if (index < 0) {
+        value->clear();
+
+        return false;
+    }
+
+    *value = mDict.valueAt(index);
+    return true;
+}
+
+}  // namespace android