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Formatting cleanup

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This commit is contained in:
Oliver Woodman 2017-08-11 15:46:49 +01:00
parent 2e950633c7
commit 730d2dd18f
2 changed files with 44 additions and 35 deletions
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40
library/core/src/main/java/com/google/android/exoplayer2/audio/Ac3Util.java
View File

@ -33,13 +33,31 @@ public final class Ac3Util {
*/
public static final class Ac3SyncFrameInfo {
/**
* Undefined AC3 stream type.
*/
public static final int STREAM_TYPE_UNDEFINED = -1;
/**
* Type 0 AC3 stream type. See ETSI TS 102 366 E.1.3.1.1.
*/
public static final int STREAM_TYPE_TYPE0 = 0;
/**
* Type 1 AC3 stream type. See ETSI TS 102 366 E.1.3.1.1.
*/
public static final int STREAM_TYPE_TYPE1 = 1;
/**
* Type 2 AC3 stream type. See ETSI TS 102 366 E.1.3.1.1.
*/
public static final int STREAM_TYPE_TYPE2 = 2;
/**
* The sample mime type of the bitstream. One of {@link MimeTypes#AUDIO_AC3} and
* {@link MimeTypes#AUDIO_E_AC3}.
*/
public final String mimeType;
/**
* The type of the bitstream, only for AUDIO_E_AC3
* The type of the stream if {@link #mimeType} is {@link MimeTypes#AUDIO_E_AC3}, or
* {@link #STREAM_TYPE_UNDEFINED} otherwise.
*/
public final int streamType;
/**
@ -106,13 +124,6 @@ public final class Ac3Util {
private static final int[] SYNCFRAME_SIZE_WORDS_BY_HALF_FRMSIZECOD_44_1 = new int[] {69, 87, 104,
121, 139, 174, 208, 243, 278, 348, 417, 487, 557, 696, 835, 975, 1114, 1253, 1393};
/**
* Stream type. See ETSI TS 102 366 E.1.3.1.1.
*/
public static final int STREAM_TYPE_UNDEFINED = -1;
public static final int STREAM_TYPE_TYPE0 = 0;
public static final int STREAM_TYPE_TYPE1 = 1;
/**
* Returns the AC-3 format given {@code data} containing the AC3SpecificBox according to
* ETSI TS 102 366 Annex F. The reading position of {@code data} will be modified.
@ -150,8 +161,7 @@ public final class Ac3Util {
String language, DrmInitData drmInitData) {
data.skipBytes(2); // data_rate, num_ind_sub
// Read only the first independent substream.
// TODO: Read later independent substreams?
// Read the first independent substream.
int fscod = (data.readUnsignedByte() & 0xC0) >> 6;
int sampleRate = SAMPLE_RATE_BY_FSCOD[fscod];
int nextByte = data.readUnsignedByte();
@ -160,8 +170,7 @@ public final class Ac3Util {
channelCount++;
}
// Read only the first dependent substream.
// TODO: Read later dependent substreams?
// Read the first dependent substream.
nextByte = data.readUnsignedByte();
int numDepSub = ((nextByte & 0x1E) >> 1);
if (numDepSub > 0) {
@ -189,7 +198,7 @@ public final class Ac3Util {
boolean isEac3 = data.readBits(5) == 16;
data.setPosition(initialPosition);
String mimeType;
int streamType;
int streamType = Ac3SyncFrameInfo.STREAM_TYPE_UNDEFINED;
int sampleRate;
int acmod;
int frameSize;
@ -215,7 +224,6 @@ public final class Ac3Util {
} else /* is AC-3 */ {
mimeType = MimeTypes.AUDIO_AC3;
data.skipBits(16 + 16); // syncword, crc1
streamType = STREAM_TYPE_UNDEFINED; // AC-3 stream hasn't streamType
int fscod = data.readBits(2);
int frmsizecod = data.readBits(6);
frameSize = getAc3SyncframeSize(fscod, frmsizecod);
@ -235,8 +243,8 @@ public final class Ac3Util {
}
boolean lfeon = data.readBit();
int channelCount = CHANNEL_COUNT_BY_ACMOD[acmod] + (lfeon ? 1 : 0);
return new Ac3SyncFrameInfo(mimeType, streamType, channelCount, sampleRate,
frameSize, sampleCount);
return new Ac3SyncFrameInfo(mimeType, streamType, channelCount, sampleRate, frameSize,
sampleCount);
}
/**

39
library/dash/src/main/java/com/google/android/exoplayer2/source/dash/manifest/DashManifestParser.java
View File

@ -690,9 +690,9 @@ public class DashManifestParser extends DefaultHandler
throws XmlPullParserException, IOException {
String schemeIdUri = parseString(xpp, "schemeIdUri", null);
int audioChannels = "urn:mpeg:dash:23003:3:audio_channel_configuration:2011".equals(schemeIdUri)
? parseInt(xpp, "value", Format.NO_VALUE) :
("tag:dolby.com,2014:dash:audio_channel_configuration:2011".equals(schemeIdUri)
? parseDolbyChannelConfiguration(xpp, "value", Format.NO_VALUE) : Format.NO_VALUE);
? parseInt(xpp, "value", Format.NO_VALUE)
: ("tag:dolby.com,2014:dash:audio_channel_configuration:2011".equals(schemeIdUri)
? parseDolbyChannelConfiguration(xpp) : Format.NO_VALUE);
do {
xpp.next();
} while (!XmlPullParserUtil.isEndTag(xpp, "AudioChannelConfiguration"));
@ -903,31 +903,32 @@ public class DashManifestParser extends DefaultHandler
return value == null ? defaultValue : value;
}
protected static int parseDolbyChannelConfiguration(XmlPullParser xpp, String name,
int defaultValue) {
String value = Util.toLowerInvariant(xpp.getAttributeValue(null, name));
/**
* Parses the number of channels from the value attribute of an AudioElementConfiguration with
* schemeIdUri "tag:dolby.com,2014:dash:audio_channel_configuration:2011", as defined by table E.5
* in ETSI TS 102 366.
*
* @param xpp The parser from which to read.
* @return The parsed number of channels, or {@link Format#NO_VALUE} if the channel count could
* not be parsed.
*/
protected static int parseDolbyChannelConfiguration(XmlPullParser xpp) {
String value = Util.toLowerInvariant(xpp.getAttributeValue(null, "value"));
if (value == null) {
return defaultValue;
return Format.NO_VALUE;
}
int channels;
// TODO: Parse other channel configurations
switch (value) {
case "4000":
channels = 1;
break;
return 1;
case "a000":
channels = 2;
break;
return 2;
case "f801":
channels = 6;
break;
return 6;
case "fa01":
channels = 8;
break;
return 8;
default:
channels = defaultValue;
return Format.NO_VALUE;
}
return channels;
}
private static final class RepresentationInfo {