loliball/media3
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Nullness fixes for emsg and id3 metadata classes

Browse Source 
-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=205972857
This commit is contained in:
olly 2018-07-25 04:08:18 -07:00 committed by Oliver Woodman
parent 3d55bc78f7
commit 14216ef53b
19 changed files with 84 additions and 108 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
library/core/src/main/java/com/google/android/exoplayer2/metadata/MetadataDecoder.java
View File

@ -15,6 +15,8 @@
*/
package com.google.android.exoplayer2.metadata;
import android.support.annotation.Nullable;
/**
* Decodes metadata from binary data.
*/
@ -24,9 +26,8 @@ public interface MetadataDecoder {
* Decodes a {@link Metadata} element from the provided input buffer.
*
* @param inputBuffer The input buffer to decode.
* @return The decoded metadata object.
* @throws MetadataDecoderException If a problem occurred decoding the data.
* @return The decoded metadata object, or null if the metadata could not be decoded.
*/
Metadata decode(MetadataInputBuffer inputBuffer) throws MetadataDecoderException;
@Nullable
Metadata decode(MetadataInputBuffer inputBuffer);
}

38
library/core/src/main/java/com/google/android/exoplayer2/metadata/MetadataDecoderException.java
View File

@ -1,38 +0,0 @@
/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.android.exoplayer2.metadata;
/**
* Thrown when an error occurs decoding metadata.
*/
public class MetadataDecoderException extends Exception {
/**
* @param message The detail message for this exception.
*/
public MetadataDecoderException(String message) {
super(message);
}
/**
* @param message The detail message for this exception.
* @param cause The cause of this exception.
*/
public MetadataDecoderException(String message, Throwable cause) {
super(message, cause);
}
}

4
library/core/src/main/java/com/google/android/exoplayer2/metadata/MetadataRenderer.java
View File

@ -128,14 +128,10 @@ public final class MetadataRenderer extends BaseRenderer implements Callback {
} else {
buffer.subsampleOffsetUs = formatHolder.format.subsampleOffsetUs;
buffer.flip();
try {
int index = (pendingMetadataIndex + pendingMetadataCount) % MAX_PENDING_METADATA_COUNT;
pendingMetadata[index] = decoder.decode(buffer);
pendingMetadataTimestamps[index] = buffer.timeUs;
pendingMetadataCount++;
} catch (MetadataDecoderException e) {
throw ExoPlaybackException.createForRenderer(e, getIndex());
}
}
}
}

8
library/core/src/main/java/com/google/android/exoplayer2/metadata/emsg/EventMessage.java
View File

@ -15,6 +15,8 @@
*/
package com.google.android.exoplayer2.metadata.emsg;
import static org.checkerframework.checker.nullness.NullnessUtil.castNonNull;
import android.os.Parcel;
import android.os.Parcelable;
import android.support.annotation.Nullable;
@ -81,12 +83,12 @@ public final class EventMessage implements Metadata.Entry {
}
/* package */ EventMessage(Parcel in) {
schemeIdUri = in.readString();
value = in.readString();
schemeIdUri = castNonNull(in.readString());
value = castNonNull(in.readString());
presentationTimeUs = in.readLong();
durationMs = in.readLong();
id = in.readLong();
messageData = in.createByteArray();
messageData = castNonNull(in.createByteArray());
}
@Override

8
library/core/src/main/java/com/google/android/exoplayer2/metadata/id3/ApicFrame.java
View File

@ -15,6 +15,8 @@
*/
package com.google.android.exoplayer2.metadata.id3;
import static org.checkerframework.checker.nullness.NullnessUtil.castNonNull;
import android.os.Parcel;
import android.os.Parcelable;
import android.support.annotation.Nullable;
@ -44,10 +46,10 @@ public final class ApicFrame extends Id3Frame {
/* package */ ApicFrame(Parcel in) {
super(ID);
mimeType = in.readString();
description = in.readString();
mimeType = castNonNull(in.readString());
description = castNonNull(in.readString());
pictureType = in.readInt();
pictureData = in.createByteArray();
pictureData = castNonNull(in.createByteArray());
}
@Override

6
library/core/src/main/java/com/google/android/exoplayer2/metadata/id3/BinaryFrame.java
View File

@ -15,6 +15,8 @@
*/
package com.google.android.exoplayer2.metadata.id3;
import static org.checkerframework.checker.nullness.NullnessUtil.castNonNull;
import android.os.Parcel;
import android.os.Parcelable;
import android.support.annotation.Nullable;
@ -33,8 +35,8 @@ public final class BinaryFrame extends Id3Frame {
}
/* package */ BinaryFrame(Parcel in) {
super(in.readString());
data = in.createByteArray();
super(castNonNull(in.readString()));
data = castNonNull(in.createByteArray());
}
@Override

4
library/core/src/main/java/com/google/android/exoplayer2/metadata/id3/ChapterFrame.java
View File

@ -15,6 +15,8 @@
*/
package com.google.android.exoplayer2.metadata.id3;
import static org.checkerframework.checker.nullness.NullnessUtil.castNonNull;
import android.os.Parcel;
import android.support.annotation.Nullable;
import com.google.android.exoplayer2.C;
@ -54,7 +56,7 @@ public final class ChapterFrame extends Id3Frame {
/* package */ ChapterFrame(Parcel in) {
super(ID);
this.chapterId = in.readString();
this.chapterId = castNonNull(in.readString());
this.startTimeMs = in.readInt();
this.endTimeMs = in.readInt();
this.startOffset = in.readLong();

4
library/core/src/main/java/com/google/android/exoplayer2/metadata/id3/ChapterTocFrame.java
View File

@ -15,6 +15,8 @@
*/
package com.google.android.exoplayer2.metadata.id3;
import static org.checkerframework.checker.nullness.NullnessUtil.castNonNull;
import android.os.Parcel;
import android.support.annotation.Nullable;
import com.google.android.exoplayer2.util.Util;
@ -45,7 +47,7 @@ public final class ChapterTocFrame extends Id3Frame {
/* package */ ChapterTocFrame(Parcel in) {
super(ID);
this.elementId = in.readString();
this.elementId = castNonNull(in.readString());
this.isRoot = in.readByte() != 0;
this.isOrdered = in.readByte() != 0;
this.children = in.createStringArray();

8
library/core/src/main/java/com/google/android/exoplayer2/metadata/id3/CommentFrame.java
View File

@ -15,6 +15,8 @@
*/
package com.google.android.exoplayer2.metadata.id3;
import static org.checkerframework.checker.nullness.NullnessUtil.castNonNull;
import android.os.Parcel;
import android.os.Parcelable;
import android.support.annotation.Nullable;
@ -40,9 +42,9 @@ public final class CommentFrame extends Id3Frame {
/* package */ CommentFrame(Parcel in) {
super(ID);
language = in.readString();
description = in.readString();
text = in.readString();
language = castNonNull(in.readString());
description = castNonNull(in.readString());
text = castNonNull(in.readString());
}
@Override

10
library/core/src/main/java/com/google/android/exoplayer2/metadata/id3/GeobFrame.java
View File

@ -15,6 +15,8 @@
*/
package com.google.android.exoplayer2.metadata.id3;
import static org.checkerframework.checker.nullness.NullnessUtil.castNonNull;
import android.os.Parcel;
import android.os.Parcelable;
import android.support.annotation.Nullable;
@ -43,10 +45,10 @@ public final class GeobFrame extends Id3Frame {
/* package */ GeobFrame(Parcel in) {
super(ID);
mimeType = in.readString();
filename = in.readString();
description = in.readString();
data = in.createByteArray();
mimeType = castNonNull(in.readString());
filename = castNonNull(in.readString());
description = castNonNull(in.readString());
data = castNonNull(in.createByteArray());
}
@Override

23
library/core/src/main/java/com/google/android/exoplayer2/metadata/id3/Id3Decoder.java
View File

@ -103,7 +103,7 @@ public final class Id3Decoder implements MetadataDecoder {
}
@Override
public Metadata decode(MetadataInputBuffer inputBuffer) {
public @Nullable Metadata decode(MetadataInputBuffer inputBuffer) {
ByteBuffer buffer = inputBuffer.data;
return decode(buffer.array(), buffer.limit());
}
@ -113,9 +113,10 @@ public final class Id3Decoder implements MetadataDecoder {
*
* @param data The bytes to decode ID3 tags from.
* @param size Amount of bytes in {@code data} to read.
* @return A {@link Metadata} object containing the decoded ID3 tags.
* @return A {@link Metadata} object containing the decoded ID3 tags, or null if the data could
* not be decoded.
*/
public Metadata decode(byte[] data, int size) {
public @Nullable Metadata decode(byte[] data, int size) {
List<Id3Frame> id3Frames = new ArrayList<>();
ParsableByteArray id3Data = new ParsableByteArray(data, size);
@ -157,7 +158,7 @@ public final class Id3Decoder implements MetadataDecoder {
* @param data A {@link ParsableByteArray} from which the header should be read.
* @return The parsed header, or null if the ID3 tag is unsupported.
*/
private static Id3Header decodeHeader(ParsableByteArray data) {
private static @Nullable Id3Header decodeHeader(ParsableByteArray data) {
if (data.bytesLeft() < ID3_HEADER_LENGTH) {
Log.w(TAG, "Data too short to be an ID3 tag");
return null;
@ -271,7 +272,7 @@ public final class Id3Decoder implements MetadataDecoder {
}
}
private static Id3Frame decodeFrame(
private static @Nullable Id3Frame decodeFrame(
int majorVersion,
ParsableByteArray id3Data,
boolean unsignedIntFrameSizeHack,
@ -404,8 +405,8 @@ public final class Id3Decoder implements MetadataDecoder {
}
}
private static TextInformationFrame decodeTxxxFrame(ParsableByteArray id3Data, int frameSize)
throws UnsupportedEncodingException {
private static @Nullable TextInformationFrame decodeTxxxFrame(
ParsableByteArray id3Data, int frameSize) throws UnsupportedEncodingException {
if (frameSize < 1) {
// Frame is malformed.
return null;
@ -427,8 +428,8 @@ public final class Id3Decoder implements MetadataDecoder {
return new TextInformationFrame("TXXX", description, value);
}
private static TextInformationFrame decodeTextInformationFrame(ParsableByteArray id3Data,
int frameSize, String id) throws UnsupportedEncodingException {
private static @Nullable TextInformationFrame decodeTextInformationFrame(
ParsableByteArray id3Data, int frameSize, String id) throws UnsupportedEncodingException {
if (frameSize < 1) {
// Frame is malformed.
return null;
@ -446,7 +447,7 @@ public final class Id3Decoder implements MetadataDecoder {
return new TextInformationFrame(id, null, value);
}
private static UrlLinkFrame decodeWxxxFrame(ParsableByteArray id3Data, int frameSize)
private static @Nullable UrlLinkFrame decodeWxxxFrame(ParsableByteArray id3Data, int frameSize)
throws UnsupportedEncodingException {
if (frameSize < 1) {
// Frame is malformed.
@ -557,7 +558,7 @@ public final class Id3Decoder implements MetadataDecoder {
return new ApicFrame(mimeType, description, pictureType, pictureData);
}
private static CommentFrame decodeCommentFrame(ParsableByteArray id3Data, int frameSize)
private static @Nullable CommentFrame decodeCommentFrame(ParsableByteArray id3Data, int frameSize)
throws UnsupportedEncodingException {
if (frameSize < 4) {
// Frame is malformed.

3
library/core/src/main/java/com/google/android/exoplayer2/metadata/id3/Id3Frame.java
View File

@ -16,7 +16,6 @@
package com.google.android.exoplayer2.metadata.id3;
import com.google.android.exoplayer2.metadata.Metadata;
import com.google.android.exoplayer2.util.Assertions;
/**
* Base class for ID3 frames.
@ -29,7 +28,7 @@ public abstract class Id3Frame implements Metadata.Entry {
public final String id;
public Id3Frame(String id) {
this.id = Assertions.checkNotNull(id);
this.id = id;
}
@Override

9
library/core/src/main/java/com/google/android/exoplayer2/metadata/id3/InternalFrame.java
View File

@ -15,9 +15,10 @@
*/
package com.google.android.exoplayer2.metadata.id3;
import static org.checkerframework.checker.nullness.NullnessUtil.castNonNull;
import android.os.Parcel;
import android.support.annotation.Nullable;
import com.google.android.exoplayer2.util.Assertions;
import com.google.android.exoplayer2.util.Util;
/** Internal ID3 frame that is intended for use by the player. */
@ -38,9 +39,9 @@ public final class InternalFrame extends Id3Frame {
/* package */ InternalFrame(Parcel in) {
super(ID);
domain = Assertions.checkNotNull(in.readString());
description = Assertions.checkNotNull(in.readString());
text = Assertions.checkNotNull(in.readString());
domain = castNonNull(in.readString());
description = castNonNull(in.readString());
text = castNonNull(in.readString());
}
@Override

6
library/core/src/main/java/com/google/android/exoplayer2/metadata/id3/PrivFrame.java
View File

@ -15,6 +15,8 @@
*/
package com.google.android.exoplayer2.metadata.id3;
import static org.checkerframework.checker.nullness.NullnessUtil.castNonNull;
import android.os.Parcel;
import android.os.Parcelable;
import android.support.annotation.Nullable;
@ -39,8 +41,8 @@ public final class PrivFrame extends Id3Frame {
/* package */ PrivFrame(Parcel in) {
super(ID);
owner = in.readString();
privateData = in.createByteArray();
owner = castNonNull(in.readString());
privateData = castNonNull(in.createByteArray());
}
@Override

6
library/core/src/main/java/com/google/android/exoplayer2/metadata/id3/TextInformationFrame.java
View File

@ -15,6 +15,8 @@
*/
package com.google.android.exoplayer2.metadata.id3;
import static org.checkerframework.checker.nullness.NullnessUtil.castNonNull;
import android.os.Parcel;
import android.os.Parcelable;
import android.support.annotation.Nullable;
@ -35,9 +37,9 @@ public final class TextInformationFrame extends Id3Frame {
}
/* package */ TextInformationFrame(Parcel in) {
super(in.readString());
super(castNonNull(in.readString()));
description = in.readString();
value = in.readString();
value = castNonNull(in.readString());
}
@Override

10
library/core/src/main/java/com/google/android/exoplayer2/metadata/id3/UrlLinkFrame.java
View File

@ -15,6 +15,8 @@
*/
package com.google.android.exoplayer2.metadata.id3;
import static org.checkerframework.checker.nullness.NullnessUtil.castNonNull;
import android.os.Parcel;
import android.os.Parcelable;
import android.support.annotation.Nullable;
@ -25,19 +27,19 @@ import com.google.android.exoplayer2.util.Util;
*/
public final class UrlLinkFrame extends Id3Frame {
public final String description;
public final @Nullable String description;
public final String url;
public UrlLinkFrame(String id, String description, String url) {
public UrlLinkFrame(String id, @Nullable String description, String url) {
super(id);
this.description = description;
this.url = url;
}
/* package */ UrlLinkFrame(Parcel in) {
super(in.readString());
super(castNonNull(in.readString()));
description = in.readString();
url = in.readString();
url = castNonNull(in.readString());
}
@Override

3
library/core/src/main/java/com/google/android/exoplayer2/metadata/scte35/SpliceInfoDecoder.java
View File

@ -17,7 +17,6 @@ package com.google.android.exoplayer2.metadata.scte35;
import com.google.android.exoplayer2.metadata.Metadata;
import com.google.android.exoplayer2.metadata.MetadataDecoder;
import com.google.android.exoplayer2.metadata.MetadataDecoderException;
import com.google.android.exoplayer2.metadata.MetadataInputBuffer;
import com.google.android.exoplayer2.util.ParsableBitArray;
import com.google.android.exoplayer2.util.ParsableByteArray;
@ -46,7 +45,7 @@ public final class SpliceInfoDecoder implements MetadataDecoder {
}
@Override
public Metadata decode(MetadataInputBuffer inputBuffer) throws MetadataDecoderException {
public Metadata decode(MetadataInputBuffer inputBuffer) {
// Internal timestamps adjustment.
if (timestampAdjuster == null
|| inputBuffer.subsampleOffsetUs != timestampAdjuster.getTimestampOffsetUs()) {

17
library/core/src/test/java/com/google/android/exoplayer2/metadata/id3/Id3DecoderTest.java
View File

@ -19,7 +19,6 @@ import static com.google.common.truth.Truth.assertThat;
import com.google.android.exoplayer2.C;
import com.google.android.exoplayer2.metadata.Metadata;
import com.google.android.exoplayer2.metadata.MetadataDecoderException;
import com.google.android.exoplayer2.util.Assertions;
import java.nio.charset.Charset;
import java.util.Arrays;
@ -38,7 +37,7 @@ public final class Id3DecoderTest {
private static final int ID3_TEXT_ENCODING_UTF_8 = 3;
@Test
public void testDecodeTxxxFrame() throws MetadataDecoderException {
public void testDecodeTxxxFrame() {
byte[] rawId3 = buildSingleFrameTag("TXXX", new byte[] {3, 0, 109, 100, 105, 97, 108, 111, 103,
95, 86, 73, 78, 68, 73, 67, 79, 49, 53, 50, 55, 54, 54, 52, 95, 115, 116, 97, 114, 116, 0});
Id3Decoder decoder = new Id3Decoder();
@ -65,7 +64,7 @@ public final class Id3DecoderTest {
}
@Test
public void testDecodeTextInformationFrame() throws MetadataDecoderException {
public void testDecodeTextInformationFrame() {
byte[] rawId3 = buildSingleFrameTag("TIT2", new byte[] {3, 72, 101, 108, 108, 111, 32, 87, 111,
114, 108, 100, 0});
Id3Decoder decoder = new Id3Decoder();
@ -92,7 +91,7 @@ public final class Id3DecoderTest {
}
@Test
public void testDecodeWxxxFrame() throws MetadataDecoderException {
public void testDecodeWxxxFrame() {
byte[] rawId3 = buildSingleFrameTag("WXXX", new byte[] {ID3_TEXT_ENCODING_UTF_8, 116, 101, 115,
116, 0, 104, 116, 116, 112, 115, 58, 47, 47, 116, 101, 115, 116, 46, 99, 111, 109, 47, 97,
98, 99, 63, 100, 101, 102});
@ -120,7 +119,7 @@ public final class Id3DecoderTest {
}
@Test
public void testDecodeUrlLinkFrame() throws MetadataDecoderException {
public void testDecodeUrlLinkFrame() {
byte[] rawId3 = buildSingleFrameTag("WCOM", new byte[] {104, 116, 116, 112, 115, 58, 47, 47,
116, 101, 115, 116, 46, 99, 111, 109, 47, 97, 98, 99, 63, 100, 101, 102});
Id3Decoder decoder = new Id3Decoder();
@ -142,7 +141,7 @@ public final class Id3DecoderTest {
}
@Test
public void testDecodePrivFrame() throws MetadataDecoderException {
public void testDecodePrivFrame() {
byte[] rawId3 = buildSingleFrameTag("PRIV", new byte[] {116, 101, 115, 116, 0, 1, 2, 3, 4});
Id3Decoder decoder = new Id3Decoder();
Metadata metadata = decoder.decode(rawId3, rawId3.length);
@ -161,7 +160,7 @@ public final class Id3DecoderTest {
}
@Test
public void testDecodeApicFrame() throws MetadataDecoderException {
public void testDecodeApicFrame() {
byte[] rawId3 = buildSingleFrameTag("APIC", new byte[] {3, 105, 109, 97, 103, 101, 47, 106, 112,
101, 103, 0, 16, 72, 101, 108, 108, 111, 32, 87, 111, 114, 108, 100, 0, 1, 2, 3, 4, 5, 6, 7,
8, 9, 0});
@ -177,7 +176,7 @@ public final class Id3DecoderTest {
}
@Test
public void testDecodeCommentFrame() throws MetadataDecoderException {
public void testDecodeCommentFrame() {
byte[] rawId3 = buildSingleFrameTag("COMM", new byte[] {ID3_TEXT_ENCODING_UTF_8, 101, 110, 103,
100, 101, 115, 99, 114, 105, 112, 116, 105, 111, 110, 0, 116, 101, 120, 116, 0});
Id3Decoder decoder = new Id3Decoder();
@ -204,7 +203,7 @@ public final class Id3DecoderTest {
}
@Test
public void testDecodeMultiFrames() throws MetadataDecoderException {
public void testDecodeMultiFrames() {
byte[] rawId3 =
buildMultiFramesTag(
new FrameSpec(

8
library/core/src/test/java/com/google/android/exoplayer2/metadata/scte35/SpliceInfoDecoderTest.java
View File

@ -19,7 +19,6 @@ import static com.google.android.exoplayer2.C.TIME_UNSET;
import static com.google.common.truth.Truth.assertThat;
import com.google.android.exoplayer2.metadata.Metadata;
import com.google.android.exoplayer2.metadata.MetadataDecoderException;
import com.google.android.exoplayer2.metadata.MetadataInputBuffer;
import com.google.android.exoplayer2.util.TimestampAdjuster;
import java.nio.ByteBuffer;
@ -45,7 +44,7 @@ public final class SpliceInfoDecoderTest {
}
@Test
public void testWrappedAroundTimeSignalCommand() throws MetadataDecoderException {
public void testWrappedAroundTimeSignalCommand() {
byte[] rawTimeSignalSection = new byte[] {
0, // table_id.
(byte) 0x80, // section_syntax_indicator, private_indicator, reserved, section_length(4).
@ -72,7 +71,7 @@ public final class SpliceInfoDecoderTest {
}
@Test
public void test2SpliceInsertCommands() throws MetadataDecoderException {
public void test2SpliceInsertCommands() {
byte[] rawSpliceInsertCommand1 = new byte[] {
0, // table_id.
(byte) 0x80, // section_syntax_indicator, private_indicator, reserved, section_length(4).
@ -165,8 +164,7 @@ public final class SpliceInfoDecoderTest {
assertThat(command.availsExpected).isEqualTo(2);
}
private Metadata feedInputBuffer(byte[] data, long timeUs, long subsampleOffset)
throws MetadataDecoderException{
private Metadata feedInputBuffer(byte[] data, long timeUs, long subsampleOffset) {
inputBuffer.clear();
inputBuffer.data = ByteBuffer.allocate(data.length).put(data);
inputBuffer.timeUs = timeUs;