Fix buffered range reporting for ChunkDemuxer

BUG=None
TEST=PipelineIntegrationTest, BasicPlayback_MediaSource

Review URL: https://chromiumcodereview.appspot.com/10701130

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@146127 0039d316-1c4b-4281-b951-d872f2087c98

media/base/pipeline.cc

@@ -202,12 +202,12 @@ TimeDelta Pipeline::GetCurrentTime_Locked() const {
 Ranges<TimeDelta> Pipeline::GetBufferedTimeRanges() {
   base::AutoLock auto_lock(lock_);
   Ranges<TimeDelta> time_ranges;
-  if (clock_->Duration() == TimeDelta() || total_bytes_ == 0)
-    return time_ranges;
   for (size_t i = 0; i < buffered_time_ranges_.size(); ++i) {
     time_ranges.Add(buffered_time_ranges_.start(i),
                     buffered_time_ranges_.end(i));
   }
+  if (clock_->Duration() == TimeDelta() || total_bytes_ == 0)
+    return time_ranges;
   for (size_t i = 0; i < buffered_byte_ranges_.size(); ++i) {
     TimeDelta start = TimeForByteOffset_Locked(buffered_byte_ranges_.start(i));
     TimeDelta end = TimeForByteOffset_Locked(buffered_byte_ranges_.end(i));

media/filters/chunk_demuxer.cc

@@ -723,14 +723,12 @@ bool ChunkDemuxer::AppendData(const std::string& id,
       std::swap(cb, seek_cb_);
     }
 
-    if (duration_ > TimeDelta() && duration_ != kInfiniteDuration()) {
-      if (audio_ && !video_) {
-        ranges = audio_->GetBufferedRanges();
-      } else if (!audio_ && video_) {
-        ranges = video_->GetBufferedRanges();
-      } else {
-        ranges = ComputeIntersection();
-      }
+    if (audio_ && !video_) {
+      ranges = audio_->GetBufferedRanges();
+    } else if (!audio_ && video_) {
+      ranges = video_->GetBufferedRanges();
+    } else {
+      ranges = ComputeIntersection();
     }
   }
 

media/filters/pipeline_integration_test.cc

@@ -263,6 +263,23 @@ TEST_F(PipelineIntegrationTest, BasicPlaybackHashed) {
   EXPECT_EQ(GetAudioHash(), "6138555be3389e6aba4c8e6f70195d50");
 }
 
+TEST_F(PipelineIntegrationTest, BasicPlayback_MediaSource) {
+  MockMediaSource source("bear-320x240.webm", 219229, true, true);
+  StartPipelineWithMediaSource(&source);
+  source.EndOfStream();
+  ASSERT_EQ(pipeline_status_, PIPELINE_OK);
+
+  EXPECT_EQ(pipeline_->GetBufferedTimeRanges().size(), 1u);
+  EXPECT_EQ(pipeline_->GetBufferedTimeRanges().start(0).InMilliseconds(), 0);
+  EXPECT_EQ(pipeline_->GetBufferedTimeRanges().end(0).InMilliseconds(), 2737);
+
+  Play();
+
+  ASSERT_TRUE(WaitUntilOnEnded());
+  source.Abort();
+  Stop();
+}
+
 TEST_F(PipelineIntegrationTest, EncryptedPlayback) {
   MockMediaSource source("bear-320x240-encrypted.webm", 219726, true, true);
   FakeDecryptorClient encrypted_media;