Merge changes from topic "cherrypicker-L08900000961397789:N72700001380319289" into udc-dev

* changes:
  Revert "ExifInterface: Use FileDescriptors whenever we can."
  Revert "Use a ExifInterface ctor with a file descriptor as a parameter"
This commit is contained in:
Ray Essick
2023-06-20 18:56:22 +00:00
committed by Android (Google) Code Review
2 changed files with 62 additions and 72 deletions

View File

@@ -1566,7 +1566,7 @@ public class ExifInterface {
FileInputStream in = null;
try {
in = new FileInputStream(fileDescriptor);
loadAttributes(in, fileDescriptor);
loadAttributes(in);
} finally {
closeQuietly(in);
if (isFdDuped) {
@@ -1637,7 +1637,7 @@ public class ExifInterface {
mSeekableFileDescriptor = null;
}
}
loadAttributes(inputStream, null);
loadAttributes(inputStream);
}
/**
@@ -1963,7 +1963,7 @@ public class ExifInterface {
* This function decides which parser to read the image data according to the given input stream
* type and the content of the input stream.
*/
private void loadAttributes(@NonNull InputStream in, @Nullable FileDescriptor fd) {
private void loadAttributes(@NonNull InputStream in) {
if (in == null) {
throw new NullPointerException("inputstream shouldn't be null");
}
@@ -1993,7 +1993,7 @@ public class ExifInterface {
break;
}
case IMAGE_TYPE_HEIF: {
getHeifAttributes(inputStream, fd);
getHeifAttributes(inputStream);
break;
}
case IMAGE_TYPE_ORF: {
@@ -2580,7 +2580,7 @@ public class ExifInterface {
} else if (isSeekableFD(in.getFD())) {
mSeekableFileDescriptor = in.getFD();
}
loadAttributes(in, null);
loadAttributes(in);
} finally {
closeQuietly(in);
if (modernFd != null) {
@@ -3068,66 +3068,59 @@ public class ExifInterface {
}
}
private void getHeifAttributes(ByteOrderedDataInputStream in, @Nullable FileDescriptor fd)
throws IOException {
private void getHeifAttributes(ByteOrderedDataInputStream in) throws IOException {
MediaMetadataRetriever retriever = new MediaMetadataRetriever();
try {
if (fd != null) {
retriever.setDataSource(fd);
} else {
retriever.setDataSource(new MediaDataSource() {
long mPosition;
retriever.setDataSource(new MediaDataSource() {
long mPosition;
@Override
public void close() throws IOException {}
@Override
public void close() throws IOException {}
@Override
public int readAt(long position, byte[] buffer, int offset, int size)
throws IOException {
if (size == 0) {
return 0;
}
if (position < 0) {
return -1;
}
try {
if (mPosition != position) {
// We don't allow seek to positions after the available bytes,
// the input stream won't be able to seek back then.
// However, if we hit an exception before (mPosition set to -1),
// let it try the seek in hope it might recover.
if (mPosition >= 0 && position >= mPosition + in.available()) {
return -1;
}
in.seek(position);
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 (size > in.available()) {
size = in.available();
}
int bytesRead = in.read(buffer, offset, size);
if (bytesRead >= 0) {
mPosition += bytesRead;
return bytesRead;
}
} catch (IOException e) {
// absorb the exception and fall through to the 'failed read' path below
}
mPosition = -1; // need to seek on next read
@Override
public int readAt(long position, byte[] buffer, int offset, int size)
throws IOException {
if (size == 0) {
return 0;
}
if (position < 0) {
return -1;
}
try {
if (mPosition != position) {
// We don't allow seek to positions after the available bytes,
// the input stream won't be able to seek back then.
// However, if we hit an exception before (mPosition set to -1),
// let it try the seek in hope it might recover.
if (mPosition >= 0 && position >= mPosition + in.available()) {
return -1;
}
in.seek(position);
mPosition = position;
}
@Override
public long getSize() throws IOException {
return -1;
}
});
}
// 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 (size > in.available()) {
size = in.available();
}
int bytesRead = in.read(buffer, offset, size);
if (bytesRead >= 0) {
mPosition += bytesRead;
return bytesRead;
}
} catch (IOException e) {}
mPosition = -1; // need to seek on next read
return -1;
}
@Override
public long getSize() throws IOException {
return -1;
}
});
String exifOffsetStr = retriever.extractMetadata(
MediaMetadataRetriever.METADATA_KEY_EXIF_OFFSET);

View File

@@ -49,7 +49,6 @@ import com.android.internal.util.ArrayUtils;
import libcore.io.IoUtils;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.Arrays;
import java.util.Comparator;
@@ -256,19 +255,17 @@ public class ThumbnailUtils {
// get orientation
if (MediaFile.isExifMimeType(mimeType)) {
try (FileInputStream is = new FileInputStream(file)) {
exif = new ExifInterface(is.getFD());
switch (exif.getAttributeInt(ExifInterface.TAG_ORIENTATION, 0)) {
case ExifInterface.ORIENTATION_ROTATE_90:
orientation = 90;
break;
case ExifInterface.ORIENTATION_ROTATE_180:
orientation = 180;
break;
case ExifInterface.ORIENTATION_ROTATE_270:
orientation = 270;
break;
}
exif = new ExifInterface(file);
switch (exif.getAttributeInt(ExifInterface.TAG_ORIENTATION, 0)) {
case ExifInterface.ORIENTATION_ROTATE_90:
orientation = 90;
break;
case ExifInterface.ORIENTATION_ROTATE_180:
orientation = 180;
break;
case ExifInterface.ORIENTATION_ROTATE_270:
orientation = 270;
break;
}
}