MSE: Maintain continuity in sequence appendMode across ResetParserState

media/filters/frame_processor_unittest.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <map>
 #include <string>
 
 #include "base/bind.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 722 matching lines @@
   ProcessFrames("", "10");
 
   EXPECT_EQ(base::TimeDelta(), timestamp_offset_);
   EXPECT_FALSE(new_media_segment_);
   CheckExpectedRangesByTimestamp(audio_.get(), "{ [0,5) }");
   CheckExpectedRangesByTimestamp(video_.get(), "{ [0,20) }");
   CheckReadsThenReadStalls(audio_.get(), "0:-5");
   CheckReadsThenReadStalls(video_.get(), "0 10");
 }
 
+TEST_F(FrameProcessorTest, AudioOnly_SequenceModeContinuityAcrossReset) {
+  InSequence s;
+  AddTestTracks(HAS_AUDIO);
+  new_media_segment_ = true;
+  frame_processor_->SetSequenceMode(true);
+  EXPECT_CALL(callbacks_, PossibleDurationIncrease(frame_duration_));
+  ProcessFrames("0K", "");
+  frame_processor_->Reset();
+  EXPECT_CALL(callbacks_, PossibleDurationIncrease(frame_duration_ * 2));
+  ProcessFrames("100K", "");
+
+  EXPECT_EQ(frame_duration_ * -9, timestamp_offset_);
+  EXPECT_FALSE(new_media_segment_);
+  CheckExpectedRangesByTimestamp(audio_.get(), "{ [0,20) }");
+  CheckReadsThenReadStalls(audio_.get(), "0 10:100");
+}
+
 INSTANTIATE_TEST_CASE_P(SequenceMode, FrameProcessorTest, Values(true));
 INSTANTIATE_TEST_CASE_P(SegmentsMode, FrameProcessorTest, Values(false));
 
 }  // namespace media