Pull request review fixes

This commit is contained in:
Sergio Moreno Mozota 2017-03-31 01:48:29 +02:00
parent 6c9656dc9a
commit d34d3f76be
12 changed files with 1710 additions and 1766 deletions

View File

@ -5,3 +5,6 @@
-keepclassmembers class com.google.android.exoplayer2.text.cea.Cea708Decoder {
public <init>(int);
}
-keepclassmembers class com.google.android.exoplayer2.text.dvb.DvbDecoder {
public <init>(java.util.List);
}

View File

@ -1235,7 +1235,8 @@ public final class MatroskaExtractor implements Extractor {
|| CODEC_ID_SUBRIP.equals(codecId)
|| CODEC_ID_VOBSUB.equals(codecId)
|| CODEC_ID_PGS.equals(codecId)
|| CODEC_ID_DVBSUB.equals(codecId); }
|| CODEC_ID_DVBSUB.equals(codecId);
}
/**
* Returns an array that can store (at least) {@code length} elements, which will be either a new
@ -1464,11 +1465,8 @@ public final class MatroskaExtractor implements Extractor {
break;
case CODEC_ID_DVBSUB:
mimeType = MimeTypes.APPLICATION_DVBSUBS;
initializationData = new ArrayList<>(4);
initializationData.add(null);
initializationData.add(new byte[] {codecPrivate[0], codecPrivate[1]});
initializationData.add(new byte[] {codecPrivate[2], codecPrivate[3]});
initializationData.add("mkv".getBytes());
initializationData = Collections.singletonList(new byte[] {
(byte) 0x01, codecPrivate[0], codecPrivate[1], codecPrivate[2], codecPrivate[3]});
break;
default:
throw new ParserException("Unrecognized codec identifier.");

View File

@ -24,66 +24,68 @@ import com.google.android.exoplayer2.extractor.ts.TsPayloadReader.TrackIdGenerat
import com.google.android.exoplayer2.util.MimeTypes;
import com.google.android.exoplayer2.util.ParsableByteArray;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
public class DvbSubtitlesReader implements ElementaryStreamReader {
/**
* Output PES packets to a {@link TrackOutput}.
*/
public final class DvbSubtitlesReader implements ElementaryStreamReader {
private static final String TAG= "DVBSubsReader";
private final String language;
private List<byte[]> initializationData = new ArrayList<>();
private final String language;
private List<byte[]> initializationData;
private long sampleTimeUs;
private int totalBytesWritten;
private boolean writingSample;
private long sampleTimeUs;
private int sampleBytesWritten;
private boolean writingSample;
private TrackOutput output;
private TrackOutput output;
public DvbSubtitlesReader(TsPayloadReader.EsInfo esInfo) {
// we only support one subtitle service per PID
this.language = esInfo.language;
this.initializationData.add(new byte[] {esInfo.descriptorBytes[5]}); // subtitle subtype
this.initializationData.add(new byte[] {esInfo.descriptorBytes[6], esInfo.descriptorBytes[7]}); // subtitle compose page
this.initializationData.add(new byte[] {esInfo.descriptorBytes[8], esInfo.descriptorBytes[9]}); // subtitle ancillary page
this.initializationData.add("mp2t".getBytes());
public DvbSubtitlesReader(TsPayloadReader.EsInfo esInfo) {
this.language = esInfo.language;
initializationData = Collections.singletonList(new byte[] {(byte) 0x00,
esInfo.descriptorBytes[6], esInfo.descriptorBytes[7],
esInfo.descriptorBytes[8], esInfo.descriptorBytes[9]});
}
@Override
public void seek() {
writingSample = false;
}
@Override
public void createTracks(ExtractorOutput extractorOutput, TrackIdGenerator idGenerator) {
idGenerator.generateNewId();
this.output = extractorOutput.track(idGenerator.getTrackId(), C.TRACK_TYPE_TEXT);
output.format(Format.createImageSampleFormat(idGenerator.getFormatId(),
MimeTypes.APPLICATION_DVBSUBS, null, Format.NO_VALUE, initializationData, language, null));
}
@Override
public void packetStarted(long pesTimeUs, boolean dataAlignmentIndicator) {
if (!dataAlignmentIndicator) {
return;
}
writingSample = true;
sampleTimeUs = pesTimeUs;
sampleBytesWritten = 0;
}
@Override
public void packetFinished() {
output.sampleMetadata(sampleTimeUs, C.BUFFER_FLAG_KEY_FRAME, sampleBytesWritten, 0, null);
writingSample = false;
}
@Override
public void seek() {
writingSample = false;
}
@Override
public void createTracks(ExtractorOutput extractorOutput, TrackIdGenerator idGenerator) {
idGenerator.generateNewId();
this.output = extractorOutput.track(idGenerator.getTrackId(), C.TRACK_TYPE_TEXT);
output.format(Format.createImageSampleFormat(idGenerator.getFormatId(), MimeTypes.APPLICATION_DVBSUBS, null, Format.NO_VALUE, initializationData, language, null));
}
@Override
public void packetStarted(long pesTimeUs, boolean dataAlignmentIndicator) {
if (!dataAlignmentIndicator) {
return;
}
writingSample = true;
sampleTimeUs = pesTimeUs;
totalBytesWritten = 0;
}
@Override
public void packetFinished() {
output.sampleMetadata(sampleTimeUs, C.BUFFER_FLAG_KEY_FRAME, totalBytesWritten, 0, null);
writingSample = false;
}
@Override
public void consume(ParsableByteArray data) {
if (writingSample) {
totalBytesWritten += data.bytesLeft();
output.sampleData(data, data.bytesLeft());
}
@Override
public void consume(ParsableByteArray data) {
if (writingSample) {
int bytesAvailable = data.bytesLeft();
output.sampleData(data, bytesAvailable);
sampleBytesWritten += bytesAvailable;
}
}
}

View File

@ -502,7 +502,6 @@ public final class TsExtractor implements Extractor {
// Audio type is ignored.
} else if (descriptorTag == TS_PMT_DESC_DVBSUBS) {
streamType = TS_STREAM_TYPE_DVBSUBS;
// we only support one subtitle service per PID
language = new String(data.data, data.getPosition(), 3).trim();
}
// Skip unused bytes of current descriptor.

View File

@ -167,6 +167,12 @@ public class Cue {
*/
public final float size;
/**
* The bitmap height as a fraction of the of the viewport size, or -1 if the bitmap should be
* displayed at its natural height given for its specified {@link #size}.
*/
public final float bitmapHeight;
/**
* Specifies whether or not the {@link #windowColor} property is set.
*/
@ -177,30 +183,6 @@ public class Cue {
*/
public final int windowColor;
/**
* The Storage Aspect Ratio of the Cue
*/
public final float sar;
/** * Creates an image cue.
*
* @param bitmap See {@link #bitmap}.
* @param horizontalPosition The position of the horizontal anchor within the viewport, expressed
* as a fraction of the viewport width.
* @param horizontalPositionAnchor The horizontal anchor. One of {@link #ANCHOR_TYPE_START},
* {@link #ANCHOR_TYPE_MIDDLE}, {@link #ANCHOR_TYPE_END} and {@link #TYPE_UNSET}.
* @param verticalPosition The position of the vertical anchor within the viewport, expressed as a
* fraction of the viewport height.
* @param verticalPositionAnchor The vertical anchor. One of {@link #ANCHOR_TYPE_START},
* {@link #ANCHOR_TYPE_MIDDLE}, {@link #ANCHOR_TYPE_END} and {@link #TYPE_UNSET}.
* @param width The width of the cue, expressed as a fraction of the viewport width.
*/
public Cue(Bitmap bitmap, float horizontalPosition, @AnchorType int horizontalPositionAnchor,
float verticalPosition, @AnchorType int verticalPositionAnchor, float width) {
this(null, null, bitmap, verticalPosition, LINE_TYPE_FRACTION, verticalPositionAnchor,
horizontalPosition, horizontalPositionAnchor, width, false, Color.BLACK, (float) 1.7777);
}
/**
* Creates an image cue.
*
@ -214,12 +196,13 @@ public class Cue {
* @param verticalPositionAnchor The vertical anchor. One of {@link #ANCHOR_TYPE_START},
* {@link #ANCHOR_TYPE_MIDDLE}, {@link #ANCHOR_TYPE_END} and {@link #TYPE_UNSET}.
* @param width The width of the cue, expressed as a fraction of the viewport width.
* @param sar The Storage Aspect Ratio of the cue, defaults to FHD SAR unless otherwise specified.
* @param height The width of the cue, expressed as a fraction of the viewport width.
*/
public Cue(Bitmap bitmap, float horizontalPosition, @AnchorType int horizontalPositionAnchor,
float verticalPosition, @AnchorType int verticalPositionAnchor, float width, float sar) {
float verticalPosition, @AnchorType int verticalPositionAnchor, float width, float
height) {
this(null, null, bitmap, verticalPosition, LINE_TYPE_FRACTION, verticalPositionAnchor,
horizontalPosition, horizontalPositionAnchor, width, false, Color.BLACK, sar);
horizontalPosition, horizontalPositionAnchor, width, height, false, Color.BLACK);
}
/**
@ -265,15 +248,16 @@ public class Cue {
* @param windowColor See {@link #windowColor}.
*/
public Cue(CharSequence text, Alignment textAlignment, float line, @LineType int lineType,
@AnchorType int lineAnchor, float position, @AnchorType int positionAnchor, float size,
boolean windowColorSet, int windowColor) {
@AnchorType int lineAnchor, float position, @AnchorType int positionAnchor, float size,
boolean windowColorSet, int windowColor) {
this(text, textAlignment, null, line, lineType, lineAnchor, position, positionAnchor, size,
windowColorSet, windowColor, 1);
-1, windowColorSet, windowColor);
}
private Cue(CharSequence text, Alignment textAlignment, Bitmap bitmap, float line,
@LineType int lineType, @AnchorType int lineAnchor, float position,
@AnchorType int positionAnchor, float size, boolean windowColorSet, int windowColor, float sar) {
@AnchorType int positionAnchor, float size, float bitmapHeight, boolean windowColorSet,
int windowColor) {
this.text = text;
this.textAlignment = textAlignment;
this.bitmap = bitmap;
@ -283,9 +267,9 @@ public class Cue {
this.position = position;
this.positionAnchor = positionAnchor;
this.size = size;
this.bitmapHeight = bitmapHeight;
this.windowColorSet = windowColorSet;
this.windowColor = windowColor;
this.sar = sar;
}
}

View File

@ -85,7 +85,7 @@ public interface SubtitleDecoderFactory {
} else if (format.sampleMimeType.equals(MimeTypes.APPLICATION_CEA708)) {
return clazz.asSubclass(SubtitleDecoder.class).getConstructor(Integer.TYPE)
.newInstance(format.accessibilityChannel);
} else if (format.sampleMimeType.equals(MimeTypes.APPLICATION_DVBSUBS) && format.initializationData != null) {
} else if (format.sampleMimeType.equals(MimeTypes.APPLICATION_DVBSUBS)) {
return clazz.asSubclass(SubtitleDecoder.class).getConstructor(List.class).newInstance(format.initializationData);
} else {
return clazz.asSubclass(SubtitleDecoder.class).getConstructor().newInstance();
@ -117,7 +117,7 @@ public interface SubtitleDecoderFactory {
case MimeTypes.APPLICATION_CEA708:
return Class.forName("com.google.android.exoplayer2.text.cea.Cea708Decoder");
case MimeTypes.APPLICATION_DVBSUBS:
return Class.forName("com.google.android.exoplayer2.text.dvbsubs.DvbSubsDecoder");
return Class.forName("com.google.android.exoplayer2.text.dvb.DvbDecoder");
default:
return null;
}

View File

@ -0,0 +1,52 @@
/*
* Copyright (C) 2017 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.text.dvb;
import com.google.android.exoplayer2.text.SimpleSubtitleDecoder;
import java.util.List;
/**
* A {@link SimpleSubtitleDecoder} for DVB Subtitles.
*/
public final class DvbDecoder extends SimpleSubtitleDecoder {
private final DvbParser parser;
public DvbDecoder(List<byte[]> initializationData) {
super("DvbDecoder");
int subtitleCompositionPage = 1;
int subtitleAncillaryPage = 1;
int flags = 0;
byte[] tempByteArray;
if ((tempByteArray = initializationData.get(0)) != null && tempByteArray.length == 5) {
if (tempByteArray[0] == 0x01) {
flags |= DvbParser.FLAG_PES_STRIPPED_DVBSUB;
}
subtitleCompositionPage = ((tempByteArray[1] & 0xFF) << 8) | (tempByteArray[2] & 0xFF);
subtitleAncillaryPage = ((tempByteArray[3] & 0xFF) << 8) | (tempByteArray[4] & 0xFF);
}
parser = new DvbParser(subtitleCompositionPage, subtitleAncillaryPage, flags);
}
@Override
protected DvbSubtitle decode(byte[] data, int length) {
return new DvbSubtitle(parser.dvbSubsDecode(data, length));
}
}

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View File

@ -13,7 +13,7 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.android.exoplayer2.text.dvbsubs;
package com.google.android.exoplayer2.text.dvb;
import com.google.android.exoplayer2.C;
import com.google.android.exoplayer2.text.Cue;
@ -22,10 +22,13 @@ import com.google.android.exoplayer2.text.Subtitle;
import java.util.Collections;
import java.util.List;
final class DvbSubsSubtitle implements Subtitle {
/**
* A representation of a DVB subtitle.
*/
/* package */ final class DvbSubtitle implements Subtitle {
private final List<Cue> cues;
public DvbSubsSubtitle(List<Cue> cues) {
public DvbSubtitle(List<Cue> cues) {
if (cues == null) {
this.cues = Collections.emptyList();
} else {

View File

@ -1,71 +0,0 @@
/*
* Copyright (C) 2017 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.text.dvbsubs;
import com.google.android.exoplayer2.text.SimpleSubtitleDecoder;
import java.util.List;
public final class DvbSubsDecoder extends SimpleSubtitleDecoder {
private final String TAG = "DVBSubs Decoder";
private int subtitilingType;
private int subtitleCompositionPage;
private int subtitleAncillaryPage;
private String subtitleContainer;
private int flags = 0;
DvbSubtitlesParser parser;
public DvbSubsDecoder() {
super("dvbsubs");
parser = new DvbSubtitlesParser();
}
public DvbSubsDecoder(List<byte[]> initializationData) {
super("dvbsubs");
byte[] tempByteArray;
tempByteArray = initializationData.get(0);
subtitilingType = tempByteArray != null ? tempByteArray[0] & 0xFF: -1;
tempByteArray = initializationData.get(3);
if (tempByteArray != null ) {
subtitleContainer = new String(tempByteArray);
if (subtitleContainer.equals("mkv")) {
flags |= DvbSubtitlesParser.FLAG_PES_STRIPPED_DVBSUB;
}
}
if ((tempByteArray = initializationData.get(1)) != null) {
this.subtitleCompositionPage = ((tempByteArray[0] & 0xFF) << 8) | (tempByteArray[1] & 0xFF);
if ((tempByteArray = initializationData.get(2)) != null) {
this.subtitleAncillaryPage = ((tempByteArray[0] & 0xFF) << 8) | (tempByteArray[1] & 0xFF);
parser = new DvbSubtitlesParser(this.subtitleCompositionPage, this.subtitleAncillaryPage, flags);
}
} else {
parser = new DvbSubtitlesParser();
}
}
@Override
protected DvbSubsSubtitle decode(byte[] data, int length) {
return new DvbSubsSubtitle(parser.dvbSubsDecode(data, length));
}
}

View File

@ -77,7 +77,7 @@ import com.google.android.exoplayer2.util.Util;
@Cue.AnchorType
private int cuePositionAnchor;
private float cueSize;
private float cueSar;
private float cueBitmapHeight;
private boolean applyEmbeddedStyles;
private int foregroundColor;
private int backgroundColor;
@ -174,7 +174,7 @@ import com.google.android.exoplayer2.util.Util;
&& this.cuePosition == cue.position
&& Util.areEqual(this.cuePositionAnchor, cue.positionAnchor)
&& this.cueSize == cue.size
&& this.cueSar == cue.sar
&& this.cueBitmapHeight == cue.bitmapHeight
&& this.applyEmbeddedStyles == applyEmbeddedStyles
&& this.foregroundColor == style.foregroundColor
&& this.backgroundColor == style.backgroundColor
@ -202,7 +202,7 @@ import com.google.android.exoplayer2.util.Util;
this.cuePosition = cue.position;
this.cuePositionAnchor = cue.positionAnchor;
this.cueSize = cue.size;
this.cueSar = cue.sar;
this.cueBitmapHeight = cue.bitmapHeight;
this.applyEmbeddedStyles = applyEmbeddedStyles;
this.foregroundColor = style.foregroundColor;
this.backgroundColor = style.backgroundColor;
@ -315,7 +315,8 @@ import com.google.android.exoplayer2.util.Util;
float anchorX = parentLeft + (parentWidth * cuePosition);
float anchorY = parentTop + (parentHeight * cueLine);
int width = Math.round(parentWidth * cueSize);
int height = Math.round(width * ((float) cueBitmap.getHeight() / cueBitmap.getWidth()) / (((float) parentWidth / parentHeight) / cueSar));
int height = cueBitmapHeight != -1 ? Math.round(parentHeight * cueBitmapHeight)
: Math.round(width * ((float) cueBitmap.getHeight() / cueBitmap.getWidth()));
int x = Math.round(cueLineAnchor == Cue.ANCHOR_TYPE_END ? (anchorX - width)
: cueLineAnchor == Cue.ANCHOR_TYPE_MIDDLE ? (anchorX - (width / 2)) : anchorX);
int y = Math.round(cuePositionAnchor == Cue.ANCHOR_TYPE_END ? (anchorY - height)