if (meta != NULL && !meta->findInt32("discontinuity", &type)) {
int64_t tmpUs;
+ int64_t tmpSegmentUs;
+
CHECK(meta->findInt64("timeUs", &tmpUs));
- if (startTimeUs < 0 || tmpUs < startTimeUs) {
+ CHECK(meta->findInt64("segmentStartTimeUs", &tmpSegmentUs));
+ if (startTimeUs < 0 || tmpSegmentUs < segmentStartTimeUs) {
+ startTimeUs = tmpUs;
+ segmentStartTimeUs = tmpSegmentUs;
+ } else if (tmpSegmentUs == segmentStartTimeUs && tmpUs < startTimeUs) {
startTimeUs = tmpUs;
- }
-
- CHECK(meta->findInt64("segmentStartTimeUs", &tmpUs));
- if (segmentStartTimeUs < 0 || tmpUs < segmentStartTimeUs) {
- segmentStartTimeUs = tmpUs;
}
int32_t seq;
mSeqNumber = firstSeqNumberInPlaylist;
}
} else {
+ // When seeking mSegmentStartTimeUs is unavailable (< 0), we
+ // use mStartTimeUs (client supplied timestamp) to determine both start segment
+ // and relative position inside a segment
mSeqNumber = getSeqNumberForTime(mStartTimeUs);
mStartTimeUs -= getSegmentStartTimeUs(mSeqNumber);
}
mStartTimeUs, mSeqNumber, firstSeqNumberInPlaylist,
lastSeqNumberInPlaylist);
} else {
+ // When adapting or track switching, mSegmentStartTimeUs (relative
+ // to media time 0) is used to determine the start segment; mStartTimeUs (absolute
+ // timestamps coming from the media container) is used to determine the position
+ // inside a segments.
mSeqNumber = getSeqNumberForTime(mSegmentStartTimeUs);
if (mAdaptive) {
// avoid double fetch/decode