1 files changed, 83 insertions, 0 deletions
diff --git a/media/libstagefright/webm/WebmFrame.cpp b/media/libstagefright/webm/WebmFrame.cpp
new file mode 100644
index 0000000..e5134ed
--- /dev/null
+++ b/media/libstagefright/webm/WebmFrame.cpp
@@ -0,0 +1,83 @@
+/*
+ * Copyright (C) 2014 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.
+ */
+
+//#define LOG_NDEBUG 0
+#define LOG_TAG "WebmFrame"
+
+#include "WebmFrame.h"
+#include "WebmConstants.h"
+
+#include <media/stagefright/foundation/ADebug.h>
+#include <unistd.h>
+
+using namespace android;
+using namespace webm;
+
+namespace {
+sp<ABuffer> toABuffer(MediaBuffer *mbuf) {
+    sp<ABuffer> abuf = new ABuffer(mbuf->range_length());
+    memcpy(abuf->data(), (uint8_t*) mbuf->data() + mbuf->range_offset(), mbuf->range_length());
+    return abuf;
+}
+}
+
+namespace android {
+
+const sp<WebmFrame> WebmFrame::EOS = new WebmFrame();
+
+WebmFrame::WebmFrame()
+    : mType(kInvalidType),
+      mKey(false),
+      mAbsTimecode(UINT64_MAX),
+      mData(new ABuffer(0)),
+      mEos(true) {
+}
+
+WebmFrame::WebmFrame(int type, bool key, uint64_t absTimecode, MediaBuffer *mbuf)
+    : mType(type),
+      mKey(key),
+      mAbsTimecode(absTimecode),
+      mData(toABuffer(mbuf)),
+      mEos(false) {
+}
+
+sp<WebmElement> WebmFrame::SimpleBlock(uint64_t baseTimecode) const {
+    return new WebmSimpleBlock(
+            mType == kVideoType ? kVideoTrackNum : kAudioTrackNum,
+            mAbsTimecode - baseTimecode,
+            mKey,
+            mData);
+}
+
+bool WebmFrame::operator<(const WebmFrame &other) const {
+    if (this->mEos) {
+        return false;
+    }
+    if (other.mEos) {
+        return true;
+    }
+    if (this->mAbsTimecode == other.mAbsTimecode) {
+        if (this->mType == kAudioType && other.mType == kVideoType) {
+            return true;
+        }
+        if (this->mType == kVideoType && other.mType == kAudioType) {
+            return false;
+        }
+        return false;
+    }
+    return this->mAbsTimecode < other.mAbsTimecode;
+}
+} /* namespace android */