httplive: Dont resume if we have almost fetched till stop time

- Use the last enqueued instead of last dequeued time in
  ResumeUntil.
- Set duration in access unit meta as timestamp difference
  between the last two queued access units.

Bug: 18821145
Change-Id: If53ddee1d87775905a6d4f11a6219fe66f498450

1 files changed, 7 insertions, 0 deletions

diff --git a/media/libstagefright/mpeg2ts/AnotherPacketSource.cpp b/media/libstagefright/mpeg2ts/AnotherPacketSource.cpp
index 0354a2d..f266fe7 100644
--- a/media/libstagefright/mpeg2ts/AnotherPacketSource.cpp
+++ b/media/libstagefright/mpeg2ts/AnotherPacketSource.cpp
@@ -221,9 +221,16 @@ void AnotherPacketSource::queueAccessUnit(const sp<ABuffer> &buffer) {
         mLatestEnqueuedMeta = buffer->meta()->dup();
     } else {
         int64_t latestTimeUs = 0;
+        int64_t frameDeltaUs = 0;
         CHECK(mLatestEnqueuedMeta->findInt64("timeUs", &latestTimeUs));
         if (lastQueuedTimeUs > latestTimeUs) {
             mLatestEnqueuedMeta = buffer->meta()->dup();
+            frameDeltaUs = lastQueuedTimeUs - latestTimeUs;
+            mLatestEnqueuedMeta->setInt64("durationUs", frameDeltaUs);
+        } else if (!mLatestEnqueuedMeta->findInt64("durationUs", &frameDeltaUs)) {
+            // For B frames
+            frameDeltaUs = latestTimeUs - lastQueuedTimeUs;
+            mLatestEnqueuedMeta->setInt64("durationUs", frameDeltaUs);
         }
     }
 }