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Merge pull request #215 from google/dev

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dev -> dev-hls
This commit is contained in:
ojw28 2014-12-20 12:00:41 +00:00
commit f39d83cf75
3 changed files with 56 additions and 7 deletions
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56
library/src/main/java/com/google/android/exoplayer/parser/webm/WebmExtractor.java
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@ -47,7 +47,9 @@ public final class WebmExtractor implements Extractor {
private static final String DOC_TYPE_WEBM = "webm";
private static final String CODEC_ID_VP9 = "V_VP9";
private static final String CODEC_ID_VORBIS = "A_VORBIS";
private static final String CODEC_ID_OPUS = "A_OPUS";
private static final int VORBIS_MAX_INPUT_SIZE = 8192;
private static final int OPUS_MAX_INPUT_SIZE = 5760;
private static final int UNKNOWN = -1;
// Element IDs
@ -65,11 +67,15 @@ public final class WebmExtractor implements Extractor {
private static final int ID_CLUSTER = 0x1F43B675;
private static final int ID_TIME_CODE = 0xE7;
private static final int ID_SIMPLE_BLOCK = 0xA3;
private static final int ID_BLOCK_GROUP = 0xA0;
private static final int ID_BLOCK = 0xA1;
private static final int ID_TRACKS = 0x1654AE6B;
private static final int ID_TRACK_ENTRY = 0xAE;
private static final int ID_CODEC_ID = 0x86;
private static final int ID_CODEC_PRIVATE = 0x63A2;
private static final int ID_CODEC_DELAY = 0x56AA;
private static final int ID_SEEK_PRE_ROLL = 0x56BB;
private static final int ID_VIDEO = 0xE0;
private static final int ID_PIXEL_WIDTH = 0xB0;
private static final int ID_PIXEL_HEIGHT = 0xBA;
@ -107,6 +113,9 @@ public final class WebmExtractor implements Extractor {
private int channelCount = UNKNOWN;
private int sampleRate = UNKNOWN;
private byte[] codecPrivate;
private String codecId;
private long codecDelayNs;
private long seekPreRollNs;
private boolean seenAudioTrack;
private long cuesSizeBytes = UNKNOWN;
private long clusterTimecodeUs = UNKNOWN;
@ -194,6 +203,7 @@ public final class WebmExtractor implements Extractor {
case ID_CUES:
case ID_CUE_POINT:
case ID_CUE_TRACK_POSITIONS:
case ID_BLOCK_GROUP:
return EbmlReader.TYPE_MASTER;
case ID_EBML_READ_VERSION:
case ID_DOC_TYPE_READ_VERSION:
@ -201,6 +211,8 @@ public final class WebmExtractor implements Extractor {
case ID_TIME_CODE:
case ID_PIXEL_WIDTH:
case ID_PIXEL_HEIGHT:
case ID_CODEC_DELAY:
case ID_SEEK_PRE_ROLL:
case ID_CHANNELS:
case ID_CUE_TIME:
case ID_CUE_CLUSTER_POSITION:
@ -209,6 +221,7 @@ public final class WebmExtractor implements Extractor {
case ID_CODEC_ID:
return EbmlReader.TYPE_STRING;
case ID_SIMPLE_BLOCK:
case ID_BLOCK:
case ID_CODEC_PRIVATE:
return EbmlReader.TYPE_BINARY;
case ID_DURATION:
@ -287,6 +300,12 @@ public final class WebmExtractor implements Extractor {
case ID_PIXEL_HEIGHT:
pixelHeight = (int) value;
break;
case ID_CODEC_DELAY:
codecDelayNs = value;
break;
case ID_SEEK_PRE_ROLL:
seekPreRollNs = value;
break;
case ID_CHANNELS:
channelCount = (int) value;
break;
@ -329,9 +348,10 @@ public final class WebmExtractor implements Extractor {
break;
case ID_CODEC_ID:
// Validate that CodecID is supported. This extractor only supports "V_VP9" and "A_VORBIS".
if (!CODEC_ID_VP9.equals(value) && !CODEC_ID_VORBIS.equals(value)) {
if (!isCodecSupported(value)) {
throw new ParserException("CodecID " + value + " not supported");
}
codecId = value;
break;
default:
// pass
@ -344,8 +364,11 @@ public final class WebmExtractor implements Extractor {
NonBlockingInputStream inputStream) throws ParserException {
switch (id) {
case ID_SIMPLE_BLOCK:
case ID_BLOCK:
// Please refer to http://www.matroska.org/technical/specs/index.html#simpleblock_structure
// for info about how data is organized in a SimpleBlock element.
// and http://matroska.org/technical/specs/index.html#block_structure
// for info about how data is organized in SimpleBlock and Block elements respectively. They
// differ only in the way flags are specified.
// If we don't have a sample holder then don't consume the data.
if (sampleHolder == null) {
@ -365,7 +388,16 @@ public final class WebmExtractor implements Extractor {
long timecodeUs = scaleTimecodeToUs(timecode);
// Last byte of the three has some flags and the lacing value.
boolean keyframe = (simpleBlockTimecodeAndFlags[2] & 0x80) == 0x80;
boolean keyframe;
if (id == ID_BLOCK) {
// Matroska Block element does not self-sufficiently say whether it is a key frame or not.
// It depends on the existence of another element (ReferenceBlock) which may occur after
// the Block element. Since this extractor uses Block element only for Opus, we set the
// keyframe to be true always since all Opus frames are key frames.
keyframe = true;
} else {
keyframe = (simpleBlockTimecodeAndFlags[2] & 0x80) == 0x80;
}
boolean invisible = (simpleBlockTimecodeAndFlags[2] & 0x08) == 0x08;
int lacing = (simpleBlockTimecodeAndFlags[2] & 0x06) >> 1;
@ -413,6 +445,12 @@ public final class WebmExtractor implements Extractor {
return TimeUnit.NANOSECONDS.toMicros(unscaledTimecode * timecodeScale);
}
private boolean isCodecSupported(String codecId) {
return CODEC_ID_VP9.equals(codecId)
|| CODEC_ID_OPUS.equals(codecId)
|| CODEC_ID_VORBIS.equals(codecId);
}
/**
* Build a video {@link MediaFormat} containing recently gathered Video information, if needed.
*
@ -444,9 +482,19 @@ public final class WebmExtractor implements Extractor {
if (channelCount != UNKNOWN && sampleRate != UNKNOWN
&& (format == null || format.channelCount != channelCount
|| format.sampleRate != sampleRate)) {
if (CODEC_ID_VORBIS.equals(codecId)) {
format = MediaFormat.createAudioFormat(
MimeTypes.AUDIO_VORBIS, VORBIS_MAX_INPUT_SIZE,
sampleRate, channelCount, parseVorbisCodecPrivate());
channelCount, sampleRate, parseVorbisCodecPrivate());
} else if (CODEC_ID_OPUS.equals(codecId)) {
ArrayList<byte[]> opusInitializationData = new ArrayList<byte[]>(3);
opusInitializationData.add(codecPrivate);
opusInitializationData.add(ByteBuffer.allocate(8).putLong(codecDelayNs).array());
opusInitializationData.add(ByteBuffer.allocate(8).putLong(seekPreRollNs).array());
format = MediaFormat.createAudioFormat(
MimeTypes.AUDIO_OPUS, OPUS_MAX_INPUT_SIZE, channelCount, sampleRate,
opusInitializationData);
}
readResults |= RESULT_READ_INIT;
} else if (format == null) {
throw new ParserException("Unable to build format");

2
library/src/main/java/com/google/android/exoplayer/upstream/DataSourceInputStream.java
View File

@ -46,7 +46,7 @@ public class DataSourceInputStream extends InputStream {
@Override
public int read() throws IOException {
read(singleByteArray);
return singleByteArray[0];
return singleByteArray[0] & 0xFF;
}
@Override

1
library/src/main/java/com/google/android/exoplayer/util/MimeTypes.java
View File

@ -36,6 +36,7 @@ public class MimeTypes {
public static final String AUDIO_EC3 = BASE_TYPE_AUDIO + "/eac3";
public static final String AUDIO_WEBM = BASE_TYPE_AUDIO + "/webm";
public static final String AUDIO_VORBIS = BASE_TYPE_AUDIO + "/vorbis";
public static final String AUDIO_OPUS = BASE_TYPE_AUDIO + "/opus";
public static final String TEXT_VTT = BASE_TYPE_TEXT + "/vtt";