Offer a type-safe album art interface.

Bug: 15514223
Change-Id: Iddfc33a00e6cd3779ca09c01a55f62b151f6ec95

1 files changed, 20 insertions, 0 deletions

diff --git a/media/libmedia/MediaScanner.cpp b/media/libmedia/MediaScanner.cpp
index 28b5aa7..dcbb769 100644
--- a/media/libmedia/MediaScanner.cpp
+++ b/media/libmedia/MediaScanner.cpp
@@ -237,4 +237,24 @@ MediaScanResult MediaScanner::doProcessDirectoryEntry(
     return MEDIA_SCAN_RESULT_OK;
 }
 
+MediaAlbumArt *MediaAlbumArt::clone() {
+    size_t byte_size = this->size() + sizeof(MediaAlbumArt);
+    MediaAlbumArt *result = reinterpret_cast<MediaAlbumArt *>(malloc(byte_size));
+    result->mSize = this->size();
+    memcpy(&result->mData[0], &this->mData[0], this->size());
+    return result;
+}
+
+void MediaAlbumArt::init(MediaAlbumArt *instance, int32_t dataSize, const void *data) {
+    instance->mSize = dataSize;
+    memcpy(&instance->mData[0], data, dataSize);
+}
+
+MediaAlbumArt *MediaAlbumArt::fromData(int32_t dataSize, const void* data) {
+    size_t byte_size = sizeof(MediaAlbumArt) + dataSize;
+    MediaAlbumArt *result = reinterpret_cast<MediaAlbumArt *>(malloc(byte_size));
+    init(result, dataSize, data);
+    return result;
+}
+
 }  // namespace android