Add MtpDevice#getPartialObject64 method.
This is the method similar to getPartialObject but takes uint64_t as
offset.
BUG=26703522
Change-Id: I9b8b5f77225b744b527c4a78fe628e88ae89209f
diff --git a/media/mtp/MtpDevice.cpp b/media/mtp/MtpDevice.cpp
index 6f72a3e..48b3739 100644
--- a/media/mtp/MtpDevice.cpp
+++ b/media/mtp/MtpDevice.cpp
@@ -778,7 +778,27 @@
ALOGE("Failed to send a read request.");
return false;
}
- return readData(callback, NULL /* expected size */, writtenSize, clientData);
+ return readData(callback, nullptr /* expected size */, writtenSize, clientData);
+}
+
+bool MtpDevice::readPartialObject64(MtpObjectHandle handle,
+ uint64_t offset,
+ uint32_t size,
+ uint32_t *writtenSize,
+ ReadObjectCallback callback,
+ void* clientData) {
+ Mutex::Autolock autoLock(mMutex);
+
+ mRequest.reset();
+ mRequest.setParameter(1, handle);
+ mRequest.setParameter(2, 0xffffffff & offset);
+ mRequest.setParameter(3, 0xffffffff & (offset >> 32));
+ mRequest.setParameter(4, size);
+ if (!sendRequest(MTP_OPERATION_GET_PARTIAL_OBJECT_64)) {
+ ALOGE("Failed to send a read request.");
+ return false;
+ }
+ return readData(callback, nullptr /* expected size */, writtenSize, clientData);
}
bool MtpDevice::sendRequest(MtpOperationCode operation) {
diff --git a/media/mtp/MtpDevice.h b/media/mtp/MtpDevice.h
index edc608f..ce60811 100644
--- a/media/mtp/MtpDevice.h
+++ b/media/mtp/MtpDevice.h
@@ -118,6 +118,12 @@
uint32_t *writtenSize,
ReadObjectCallback callback,
void* clientData);
+ bool readPartialObject64(MtpObjectHandle handle,
+ uint64_t offset,
+ uint32_t size,
+ uint32_t *writtenSize,
+ ReadObjectCallback callback,
+ void* clientData);
// Starts a request to read MTP event from MTP device. It returns a request handle that
// can be used for blocking read or cancel. If other thread has already been processing an
// event returns -1.