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Send H.265 parameter sets in TSs to the decoder.

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-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=122730598
This commit is contained in:
andrewlewis 2016-05-19 07:42:47 -07:00 committed by Oliver Woodman
parent 7d9541848e
commit fb3fdb34c7
1 changed files with 32 additions and 12 deletions
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44
library/src/main/java/com/google/android/exoplayer/extractor/ts/H265Reader.java
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@ -150,14 +150,15 @@ import java.util.Collections;
}
private void startNalUnit(long position, int offset, int nalUnitType, long pesTimeUs) {
if (!hasOutputFormat) {
if (hasOutputFormat) {
sampleReader.startNalUnit(position, offset, nalUnitType, pesTimeUs);
} else {
vps.startNalUnit(nalUnitType);
sps.startNalUnit(nalUnitType);
pps.startNalUnit(nalUnitType);
}
prefixSei.startNalUnit(nalUnitType);
suffixSei.startNalUnit(nalUnitType);
sampleReader.startNalUnit(position, offset, nalUnitType, pesTimeUs);
}
private void nalUnitData(byte[] dataArray, int offset, int limit) {
@ -392,10 +393,12 @@ import java.util.Collections;
private int nalUnitBytesRead;
private long nalUnitTimeUs;
private boolean lookingForFirstSliceFlag;
private boolean firstSliceFlag;
private boolean isFirstSlice;
private boolean isFirstParameterSet;
// Per sample state that gets reset at the start of each sample.
private boolean readingSample;
private boolean writingParameterSets;
private long samplePosition;
private long sampleTimeUs;
private boolean sampleIsKeyframe;
@ -406,20 +409,32 @@ import java.util.Collections;
public void reset() {
lookingForFirstSliceFlag = false;
firstSliceFlag = false;
isFirstSlice = false;
isFirstParameterSet = false;
readingSample = false;
writingParameterSets = false;
}
public void startNalUnit(long position, int offset, int nalUnitType, long pesTimeUs) {
firstSliceFlag = false;
isFirstSlice = false;
isFirstParameterSet = false;
nalUnitTimeUs = pesTimeUs;
nalUnitBytesRead = 0;
nalUnitStartPosition = position;
// Flush the previous sample when reading a non-VCL NAL unit.
if (nalUnitType >= VPS_NUT && readingSample) {
outputSample(offset);
readingSample = false;
if (nalUnitType >= VPS_NUT) {
if (!writingParameterSets && readingSample) {
// This is a non-VCL NAL unit, so flush the previous sample.
outputSample(offset);
readingSample = false;
}
if (nalUnitType <= PPS_NUT) {
// This sample will have parameter sets at the start.
isFirstParameterSet = !writingParameterSets;
writingParameterSets = true;
}
}
// Look for the flag if this NAL unit contains a slice_segment_layer_rbsp.
nalUnitHasKeyframeData = (nalUnitType >= BLA_W_LP && nalUnitType <= CRA_NUT);
lookingForFirstSliceFlag = nalUnitHasKeyframeData || nalUnitType <= RASL_R;
@ -429,7 +444,7 @@ import java.util.Collections;
if (lookingForFirstSliceFlag) {
int headerOffset = offset + FIRST_SLICE_FLAG_OFFSET - nalUnitBytesRead;
if (headerOffset < limit) {
firstSliceFlag = (data[headerOffset] & 0x80) != 0;
isFirstSlice = (data[headerOffset] & 0x80) != 0;
lookingForFirstSliceFlag = false;
} else {
nalUnitBytesRead += limit - offset;
@ -438,9 +453,14 @@ import java.util.Collections;
}
public void endNalUnit(long position, int offset) {
if (firstSliceFlag) {
// If the NAL unit ending is the start of a new sample, output the previous one.
if (writingParameterSets && isFirstSlice) {
// This sample has parameter sets. Reset the key-frame flag based on the first slice.
sampleIsKeyframe = nalUnitHasKeyframeData;
writingParameterSets = false;
} else if (isFirstParameterSet || isFirstSlice) {
// This NAL unit is at the start of a new sample (access unit).
if (readingSample) {
// Output the sample ending before this NAL unit.
int nalUnitLength = (int) (position - nalUnitStartPosition);
outputSample(offset + nalUnitLength);
}