Prevent Cea608Decoder from generating Subtitles with null Cues list.

PiperOrigin-RevId: 223580953
This commit is contained in:
olly 2018-11-30 23:01:07 +00:00 committed by Oliver Woodman
parent c55d95086b
commit a94fa330f5

View file

@ -33,6 +33,7 @@ import com.google.android.exoplayer2.text.SubtitleInputBuffer;
import com.google.android.exoplayer2.util.MimeTypes;
import com.google.android.exoplayer2.util.ParsableByteArray;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
/**
@ -451,7 +452,7 @@ public final class Cea608Decoder extends CeaDecoder {
switch (cc2) {
case CTRL_ERASE_DISPLAYED_MEMORY:
cues = null;
cues = Collections.emptyList();
if (captionMode == CC_MODE_ROLL_UP || captionMode == CC_MODE_PAINT_ON) {
resetCueBuilders();
}
@ -506,7 +507,7 @@ public final class Cea608Decoder extends CeaDecoder {
if (oldCaptionMode == CC_MODE_PAINT_ON || captionMode == CC_MODE_ROLL_UP
|| captionMode == CC_MODE_UNKNOWN) {
// When switching from paint-on or to roll-up or unknown, we also need to clear the caption.
cues = null;
cues = Collections.emptyList();
}
}