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Add maxNumRefFrames to NalUnitUtil

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Needed for AVI support.

PiperOrigin-RevId: 436991922
This commit is contained in:
aquilescanta 2022-03-24 14:41:28 +00:00 committed by Ian Baker
parent 22830dcdd0
commit 2d025a2797
2 changed files with 6 additions and 1 deletions
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6
library/extractor/src/main/java/com/google/android/exoplayer2/util/NalUnitUtil.java
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@ -48,6 +48,7 @@ public final class NalUnitUtil {
public final int constraintsFlagsAndReservedZero2Bits;
public final int levelIdc;
public final int seqParameterSetId;
public final int maxNumRefFrames;
public final int width;
public final int height;
public final float pixelWidthHeightRatio;
@ -63,6 +64,7 @@ public final class NalUnitUtil {
int constraintsFlagsAndReservedZero2Bits,
int levelIdc,
int seqParameterSetId,
int maxNumRefFrames,
int width,
int height,
float pixelWidthHeightRatio,
@ -76,6 +78,7 @@ public final class NalUnitUtil {
this.constraintsFlagsAndReservedZero2Bits = constraintsFlagsAndReservedZero2Bits;
this.levelIdc = levelIdc;
this.seqParameterSetId = seqParameterSetId;
this.maxNumRefFrames = maxNumRefFrames;
this.width = width;
this.height = height;
this.pixelWidthHeightRatio = pixelWidthHeightRatio;
@ -382,7 +385,7 @@ public final class NalUnitUtil {
data.readUnsignedExpGolombCodedInt(); // offset_for_ref_frame[i]
}
}
data.readUnsignedExpGolombCodedInt(); // max_num_ref_frames
int maxNumRefFrames = data.readUnsignedExpGolombCodedInt(); // max_num_ref_frames
data.skipBit(); // gaps_in_frame_num_value_allowed_flag
int picWidthInMbs = data.readUnsignedExpGolombCodedInt() + 1;
@ -442,6 +445,7 @@ public final class NalUnitUtil {
constraintsFlagsAndReservedZero2Bits,
levelIdc,
seqParameterSetId,
maxNumRefFrames,
frameWidth,
frameHeight,
pixelWidthHeightRatio,

1
library/extractor/src/test/java/com/google/android/exoplayer2/util/NalUnitUtilTest.java
View file

@ -124,6 +124,7 @@ public final class NalUnitUtilTest {
public void parseSpsNalUnit() {
NalUnitUtil.SpsData data =
NalUnitUtil.parseSpsNalUnit(SPS_TEST_DATA, SPS_TEST_DATA_OFFSET, SPS_TEST_DATA.length);
assertThat(data.maxNumRefFrames).isEqualTo(4);
assertThat(data.width).isEqualTo(640);
assertThat(data.height).isEqualTo(360);
assertThat(data.deltaPicOrderAlwaysZeroFlag).isFalse();