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Update colr box values to be overridden by bitstream boxes

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#minor-release

PiperOrigin-RevId: 523983688
This commit is contained in:
rohks 2023-04-13 14:25:27 +01:00 committed by Rohit Singh
parent c71e4bf1ff
commit 596a7c7033
1 changed files with 33 additions and 38 deletions
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71
libraries/extractor/src/main/java/androidx/media3/extractor/mp4/AtomParsers.java
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@ -1208,15 +1208,9 @@ import org.checkerframework.checker.nullness.compatqual.NullableType;
pixelWidthHeightRatio = hevcConfig.pixelWidthHeightRatio;
}
codecs = hevcConfig.codecs;
// Modify these values only if they have not already been set. If 'Atom.TYPE_colr' atom is
// present, these values may be overridden.
if (colorSpace == Format.NO_VALUE
&& colorRange == Format.NO_VALUE
&& colorTransfer == Format.NO_VALUE) {
colorSpace = hevcConfig.colorSpace;
colorRange = hevcConfig.colorRange;
colorTransfer = hevcConfig.colorTransfer;
}
colorSpace = hevcConfig.colorSpace;
colorRange = hevcConfig.colorRange;
colorTransfer = hevcConfig.colorTransfer;
} else if (childAtomType == Atom.TYPE_dvcC || childAtomType == Atom.TYPE_dvvC) {
@Nullable DolbyVisionConfig dolbyVisionConfig = DolbyVisionConfig.parse(parent);
if (dolbyVisionConfig != null) {
@ -1232,16 +1226,10 @@ import org.checkerframework.checker.nullness.compatqual.NullableType;
boolean fullRangeFlag = (parent.readUnsignedByte() & 1) != 0;
int colorPrimaries = parent.readUnsignedByte();
int transferCharacteristics = parent.readUnsignedByte();
// Modify these values only if they have not already been set. If 'Atom.TYPE_colr' atom is
// present, these values may be overridden.
if (colorSpace == Format.NO_VALUE
&& colorRange == Format.NO_VALUE
&& colorTransfer == Format.NO_VALUE) {
colorSpace = ColorInfo.isoColorPrimariesToColorSpace(colorPrimaries);
colorRange = fullRangeFlag ? C.COLOR_RANGE_FULL : C.COLOR_RANGE_LIMITED;
colorTransfer =
ColorInfo.isoTransferCharacteristicsToColorTransfer(transferCharacteristics);
}
colorSpace = ColorInfo.isoColorPrimariesToColorSpace(colorPrimaries);
colorRange = fullRangeFlag ? C.COLOR_RANGE_FULL : C.COLOR_RANGE_LIMITED;
colorTransfer =
ColorInfo.isoTransferCharacteristicsToColorTransfer(transferCharacteristics);
} else if (childAtomType == Atom.TYPE_av1C) {
ExtractorUtil.checkContainerInput(mimeType == null, /* message= */ null);
mimeType = MimeTypes.VIDEO_AV1;
@ -1321,26 +1309,33 @@ import org.checkerframework.checker.nullness.compatqual.NullableType;
}
}
} else if (childAtomType == Atom.TYPE_colr) {
int colorType = parent.readInt();
if (colorType == TYPE_nclx || colorType == TYPE_nclc) {
// For more info on syntax, see Section 8.5.2.2 in ISO/IEC 14496-12:2012(E) and
// https://developer.apple.com/library/archive/documentation/QuickTime/QTFF/QTFFChap3/qtff3.html.
int colorPrimaries = parent.readUnsignedShort();
int transferCharacteristics = parent.readUnsignedShort();
parent.skipBytes(2); // matrix_coefficients.
// Only modify these values if they have not been previously established by the bitstream.
// If 'Atom.TYPE_hvcC' atom or 'Atom.TYPE_vpcC' is available, they will take precedence and
// overwrite any existing values.
if (colorSpace == Format.NO_VALUE
&& colorRange == Format.NO_VALUE
&& colorTransfer == Format.NO_VALUE) {
int colorType = parent.readInt();
if (colorType == TYPE_nclx || colorType == TYPE_nclc) {
// For more info on syntax, see Section 8.5.2.2 in ISO/IEC 14496-12:2012(E) and
// https://developer.apple.com/library/archive/documentation/QuickTime/QTFF/QTFFChap3/qtff3.html.
int colorPrimaries = parent.readUnsignedShort();
int transferCharacteristics = parent.readUnsignedShort();
parent.skipBytes(2); // matrix_coefficients.
// Only try and read full_range_flag if the box is long enough. It should be present in
// all colr boxes with type=nclx (Section 8.5.2.2 in ISO/IEC 14496-12:2012(E)) but some
// device cameras record videos with type=nclx without this final flag (and therefore
// size=18): https://github.com/google/ExoPlayer/issues/9332
boolean fullRangeFlag =
childAtomSize == 19 && (parent.readUnsignedByte() & 0b10000000) != 0;
colorSpace = ColorInfo.isoColorPrimariesToColorSpace(colorPrimaries);
colorRange = fullRangeFlag ? C.COLOR_RANGE_FULL : C.COLOR_RANGE_LIMITED;
colorTransfer =
ColorInfo.isoTransferCharacteristicsToColorTransfer(transferCharacteristics);
} else {
Log.w(TAG, "Unsupported color type: " + Atom.getAtomTypeString(colorType));
// Only try and read full_range_flag if the box is long enough. It should be present in
// all colr boxes with type=nclx (Section 8.5.2.2 in ISO/IEC 14496-12:2012(E)) but some
// device cameras record videos with type=nclx without this final flag (and therefore
// size=18): https://github.com/google/ExoPlayer/issues/9332
boolean fullRangeFlag =
childAtomSize == 19 && (parent.readUnsignedByte() & 0b10000000) != 0;
colorSpace = ColorInfo.isoColorPrimariesToColorSpace(colorPrimaries);
colorRange = fullRangeFlag ? C.COLOR_RANGE_FULL : C.COLOR_RANGE_LIMITED;
colorTransfer =
ColorInfo.isoTransferCharacteristicsToColorTransfer(transferCharacteristics);
} else {
Log.w(TAG, "Unsupported color type: " + Atom.getAtomTypeString(colorType));
}
}
}
childPosition += childAtomSize;