Merge "Fix data source for HEIF exif extractor"

am: 31bbb473ce

Change-Id: I36367e758da6050db78ed9b6c96757a97a15529e
This commit is contained in:
Chong Zhang
2018-10-23 10:56:49 -07:00
committed by android-build-merger

View File

@@ -2545,7 +2545,9 @@ public class ExifInterface {
if (size == 0) {
return 0;
}
if (position < 0) {
// We don't allow read positions after the available bytes,
// the input stream won't be able to seek back then.
if (position < 0 || position >= in.available()) {
return -1;
}
try {
@@ -2554,6 +2556,13 @@ public class ExifInterface {
mPosition = position;
}
// If the read will cause us to go over the available bytes,
// reduce the size so that we stay in the available range.
// Otherwise the input stream may not be able to seek back.
if (mPosition + size > in.available()) {
size = in.available() - (int)mPosition;
}
int bytesRead = in.read(buffer, offset, size);
if (bytesRead >= 0) {
mPosition += bytesRead;