Add live mode detection in WebM MediaSource parser.

media/formats/mpeg/mpeg_audio_stream_parser_base.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 "media/formats/mpeg/mpeg_audio_stream_parser_base.h"
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
 #include "base/message_loop/message_loop.h"
 #include "media/base/buffers.h"
@@ skipping 204 matching lines @@
     base::TimeDelta base_timestamp;
     if (timestamp_helper_)
       base_timestamp = timestamp_helper_->GetTimestamp();
 
     timestamp_helper_.reset(new AudioTimestampHelper(sample_rate));
     timestamp_helper_->SetBaseTimestamp(base_timestamp);
 
     VideoDecoderConfig video_config;
     bool success = config_cb_.Run(config_, video_config, TextTrackConfigMap());
 
-    if (!init_cb_.is_null())
+    if (!init_cb_.is_null()) {
       base::ResetAndReturn(&init_cb_).Run(
-          success, kInfiniteDuration(), base::Time(), true);
+          success, kInfiniteDuration(), base::Time(), true, false);
+    }
 
     if (!success)
       return -1;
   }
 
   if (metadata_frame)
     return frame_size;
 
   // TODO(wolenetz/acolwell): Validate and use a common cross-parser TrackId
   // type and allow multiple audio tracks, if applicable. See
@@ skipping 172 matching lines @@
   if (end_of_segment) {
     in_media_segment_ = false;
     end_of_segment_cb_.Run();
   }
 
   timestamp_helper_->SetBaseTimestamp(base::TimeDelta());
   return true;
 }
 
 }  // namespace media