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Resolve keyframe at decode layer so that info is preserved without creating extra data

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collinsmith
2020-10-06 10:13:37 -07:00
parent a6f4aeb467
commit ac5ec5f0d8
1 changed files with 6 additions and 10 deletions
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16
core/src/com/riiablo/video/BIK.java
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@ -120,18 +120,13 @@ public class BIK {
video = new BinkVideo();
offsets = BitUtils.readSafe32u(in, numFrames + 1);
for (int i = 0; i <= numFrames; i++) {
boolean keyframe = (offsets[i] & 1) == 1;
if (keyframe) {
offsets[i] &= ~1;
}
}
if (log.traceEnabled()) {
StringBuilder builder = new StringBuilder(256);
builder.append('[');
for (int offset : offsets) {
builder.append(Integer.toHexString(offset)).append(',');
builder.append(Integer.toHexString(offset & ~1));
if ((offset & 1) == 1) builder.append('*');
builder.append(',');
}
builder.setCharAt(builder.length() - 1, ']');
log.trace("offsets: {}", builder);
@ -156,8 +151,9 @@ public class BIK {
}
void decode(int frame, AudioDevice[] audio, float[][] out) {
final int offset = offsets[frame];
log.tracef("offset: +%x", offset);
final boolean keyframe = (offsets[frame] & 1) == 1;
final int offset = offsets[frame] & ~1;
log.tracef("offset: +%x, keyframe: %s", offset, keyframe);
final ByteBuf slice = buffer.slice(offset, offsets[frame + 1] - offset);
final ByteInput in = ByteInput.wrap(slice);