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Parse Projection, ProjectionPrivate

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As described in https://github.com/google/spatial-media/blob/master/docs/spherical-video-v2-rfc.md.
Also parse StereoMode as per standard matroska spec.

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=134302208
This commit is contained in:
anjalibh 2016-09-26 11:20:58 -07:00 committed by Oliver Woodman
parent f5ebcb8d04
commit d74166cd35
1 changed files with 30 additions and 1 deletions
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31
library/src/main/java/com/google/android/exoplayer2/extractor/mkv/MatroskaExtractor.java
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@ -163,6 +163,9 @@ public final class MatroskaExtractor implements Extractor {
private static final int ID_CUE_TRACK_POSITIONS = 0xB7;
private static final int ID_CUE_CLUSTER_POSITION = 0xF1;
private static final int ID_LANGUAGE = 0x22B59C;
private static final int ID_PROJECTION = 0x7670;
private static final int ID_PROJECTION_PRIVATE = 0x7672;
private static final int ID_STEREO_MODE = 0x53B8;
private static final int LACING_NONE = 0;
private static final int LACING_XIPH = 1;
@ -362,6 +365,7 @@ public final class MatroskaExtractor implements Extractor {
case ID_CUE_POINT:
case ID_CUE_TRACK_POSITIONS:
case ID_BLOCK_GROUP:
case ID_PROJECTION:
return EbmlReader.TYPE_MASTER;
case ID_EBML_READ_VERSION:
case ID_DOC_TYPE_READ_VERSION:
@ -391,6 +395,7 @@ public final class MatroskaExtractor implements Extractor {
case ID_CUE_TIME:
case ID_CUE_CLUSTER_POSITION:
case ID_REFERENCE_BLOCK:
case ID_STEREO_MODE:
return EbmlReader.TYPE_UNSIGNED_INT;
case ID_DOC_TYPE:
case ID_CODEC_ID:
@ -402,6 +407,7 @@ public final class MatroskaExtractor implements Extractor {
case ID_SIMPLE_BLOCK:
case ID_BLOCK:
case ID_CODEC_PRIVATE:
case ID_PROJECTION_PRIVATE:
return EbmlReader.TYPE_BINARY;
case ID_DURATION:
case ID_SAMPLING_FREQUENCY:
@ -656,6 +662,22 @@ public final class MatroskaExtractor implements Extractor {
case ID_BLOCK_DURATION:
blockDurationUs = scaleTimecodeToUs(value);
return;
case ID_STEREO_MODE:
int layout = (int) value;
switch (layout) {
case 0:
currentTrack.stereoMode = C.STEREO_MODE_MONO;
break;
case 1:
currentTrack.stereoMode = C.STEREO_MODE_LEFT_RIGHT;
break;
case 3:
currentTrack.stereoMode = C.STEREO_MODE_TOP_BOTTOM;
break;
default:
break;
}
return;
default:
return;
}
@ -706,6 +728,10 @@ public final class MatroskaExtractor implements Extractor {
currentTrack.codecPrivate = new byte[contentSize];
input.readFully(currentTrack.codecPrivate, 0, contentSize);
return;
case ID_PROJECTION_PRIVATE:
currentTrack.projectionData = new byte[contentSize];
input.readFully(currentTrack.projectionData, 0, contentSize);
return;
case ID_CONTENT_COMPRESSION_SETTINGS:
// This extractor only supports header stripping, so the payload is the stripped bytes.
currentTrack.sampleStrippedBytes = new byte[contentSize];
@ -1292,6 +1318,9 @@ public final class MatroskaExtractor implements Extractor {
public int displayWidth = Format.NO_VALUE;
public int displayHeight = Format.NO_VALUE;
public int displayUnit = DISPLAY_UNIT_PIXELS;
public byte[] projectionData = null;
@C.StereoMode
public int stereoMode = Format.NO_VALUE;
// Audio elements. Initially set to their default values.
public int channelCount = 1;
@ -1450,7 +1479,7 @@ public final class MatroskaExtractor implements Extractor {
}
format = Format.createVideoSampleFormat(Integer.toString(trackId), mimeType, null,
Format.NO_VALUE, maxInputSize, width, height, Format.NO_VALUE, initializationData,
Format.NO_VALUE, pixelWidthHeightRatio, drmInitData);
Format.NO_VALUE, pixelWidthHeightRatio, projectionData, stereoMode, drmInitData);
} else if (MimeTypes.APPLICATION_SUBRIP.equals(mimeType)) {
format = Format.createTextSampleFormat(Integer.toString(trackId), mimeType, null,
Format.NO_VALUE, selectionFlags, language, drmInitData);