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Fix RGBA color tuple parsing

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The TTML 1 spec. defines an exact RGBA color tuple as #rrggbbaa
See https://www.w3.org/TR/ttml1/#style-value-color

Android's internal representation is ARGB.
The correct parsing therefore requires a bit of extra byte shuffling ...
This commit is contained in:
aptly-io 2016-01-14 23:11:57 +01:00
parent df7a96a7c4
commit e6132ed742
1 changed files with 5 additions and 1 deletions
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6
library/src/main/java/com/google/android/exoplayer/text/ttml/TtmlColorParser.java
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@ -94,7 +94,11 @@ import java.util.regex.Pattern;
if (colorExpression.length() == 7) { if (colorExpression.length() == 7) {
// Set the alpha value // Set the alpha value
color |= 0x00000000ff000000; color |= 0x00000000ff000000;
} else if (colorExpression.length() != 9) { } else if (colorExpression.length() == 9) {
int alpha = (int) color & 0x00000000000000ff; // get the transparency
color >>= 8; // put rgb bytes in their rightful place
color |= alpha << 24; // put the transparency byte in its rightful place
} else {
throw new IllegalArgumentException(); throw new IllegalArgumentException();
} }
return (int) color; return (int) color;