HLS: misc bug fixes

- fix no target-duration case

- fix for audio-only <=> audio/video switching

- disable audio-only variants if there is at least
  one variant with video

- fix mpeg2ts PTS wraparound when bandwidth adapting

- tweak up/down switch marks

bug: 19567254

Change-Id: Ib46144203c56dfc96eccd6ddaa3867e8a4f2c6a9

2 files changed, 18 insertions, 0 deletions

diff --git a/include/media/IStreamSource.h b/include/media/IStreamSource.h
index 677119b..149bd49 100644
--- a/include/media/IStreamSource.h
+++ b/include/media/IStreamSource.h
@@ -81,6 +81,13 @@ struct IStreamListener : public IInterface {
     // with the next PTS occuring in the stream. The value is of type int64_t.
     static const char *const kKeyMediaTimeUs;
 
+    // Optionally signalled as part of a discontinuity that includes
+    // DISCONTINUITY_TIME. It indicates the media time (in us) of a recent
+    // sample from the same content, and is used as a hint for the parser to
+    // handle PTS wraparound. This is required when a new parser is created
+    // to continue parsing content from the same timeline.
+    static const char *const kKeyRecentMediaTimeUs;
+
     virtual void issueCommand(
             Command cmd, bool synchronous, const sp<AMessage> &msg = NULL) = 0;
 };
diff --git a/include/media/stagefright/Utils.h b/include/media/stagefright/Utils.h
index a795c80..ec3a10e 100644
--- a/include/media/stagefright/Utils.h
+++ b/include/media/stagefright/Utils.h
@@ -65,6 +65,17 @@ bool canOffloadStream(const sp<MetaData>& meta, bool hasVideo,
 
 AString uriDebugString(const AString &uri, bool incognito = false);
 
+struct HLSTime {
+    int32_t mSeq;
+    int64_t mTimeUs;
+    sp<AMessage> mMeta;
+
+    HLSTime(const sp<AMessage> &meta = NULL);
+    int64_t getSegmentTimeUs(bool midpoint = false) const;
+};
+
+bool operator <(const HLSTime &t0, const HLSTime &t1);
+
 }  // namespace android
 
 #endif  // UTILS_H_