commit 90b16fbdef406d95a6fb2f9395719dd7b7ca6adb
author Lajos Molnar <lajos@google.com> Fri Jul 25 07:53:14 2014 -0700
committer Lajos Molnar <lajos@google.com> Fri Jul 25 18:48:36 2014 -0700
tree 2191778875d82541447201f29dbf5fd93009909e
parent d8f33e78f9a09ffda0d7c9cadc1902044849461c

stagefright: add ABuffer.CreateAsCopy

Bug: 10706245
Change-Id: I8c4e96a2581a039e9e8237c3e09e2c22226da055

include/media/stagefright/foundation/ABuffer.h

diff --git a/include/media/stagefright/foundation/ABuffer.h b/include/media/stagefright/foundation/ABuffer.h
index 28f0aed..602f7ab 100644
--- a/include/media/stagefright/foundation/ABuffer.h
+++ b/include/media/stagefright/foundation/ABuffer.h
@@ -42,6 +42,9 @@
 
     void setRange(size_t offset, size_t size);
 
+    // create buffer from dup of some memory block
+    static sp<ABuffer> CreateAsCopy(const void *data, size_t capacity);
+
     void setInt32Data(int32_t data) { mInt32Data = data; }
     int32_t int32Data() const { return mInt32Data; }
 

media/libstagefright/foundation/ABuffer.cpp

diff --git a/media/libstagefright/foundation/ABuffer.cpp b/media/libstagefright/foundation/ABuffer.cpp
index 6173db4..c93c7e8 100644
--- a/media/libstagefright/foundation/ABuffer.cpp
+++ b/media/libstagefright/foundation/ABuffer.cpp
@@ -40,6 +40,14 @@
       mOwnsData(false) {
 }
 
+// static
+sp<ABuffer> ABuffer::CreateAsCopy(const void *data, size_t capacity)
+{
+    sp<ABuffer> res = new ABuffer(capacity);
+    memcpy(res->data(), data, capacity);
+    return res;
+}
+
 ABuffer::~ABuffer() {
     if (mOwnsData) {
         if (mData != NULL) {