Fix buffered range updates in media::Pipeline

media/base/demuxer.h

Index: media/base/demuxer.h
diff --git a/media/base/demuxer.h b/media/base/demuxer.h
index 1f136a0cbcccd6e93f1ad85804407c9ecb1a4d04..c164cf17df61aaa3e5d348dbdf43e37ed5461a5f 100644
--- a/media/base/demuxer.h
+++ b/media/base/demuxer.h
@@ -14,6 +14,7 @@
 #include "media/base/eme_constants.h"
 #include "media/base/media_export.h"
 #include "media/base/pipeline_status.h"
+#include "media/base/ranges.h"
 
 namespace media {
 
@@ -21,9 +22,12 @@ class TextTrackConfig;
 
 class MEDIA_EXPORT DemuxerHost {
  public:
-  // Notify the host that time range [start,end] has been buffered.
-  virtual void AddBufferedTimeRange(base::TimeDelta start,
-                                    base::TimeDelta end) = 0;
+  // Notify the host that buffered time ranges have changed. Note that buffered
+  // time ranges can grow (when new media data is appended), but they can also
+  // shrink (when buffering reaches limit capacity and some buffered data
+  // becomes evicted, e.g. due to MSE GC algorithm).

[wolenetz, 2016/01/06 19:28:40]

nit: or by explicit removal of ranges directed by MSE web app.

[wolenetz, 2016/01/14 19:25:53]

ping on this nit.

[servolk, 2016/01/14 19:28:54]

Done.

+  virtual void OnBufferedTimeRangesChanged(
+      const Ranges<base::TimeDelta>& ranges) = 0;
 
   // Sets the duration of the media in microseconds.
   // Duration may be kInfiniteDuration() if the duration is not known.