MSE: Plumb ChunkDemuxer appendData failures into append Error algorithm

media/blink/websourcebuffer_impl.cc

 // Copyright 2013 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/blink/websourcebuffer_impl.h"
 
 #include <stdint.h>
 
 #include <cmath>
 #include <limits>
@@ skipping 81 matching lines @@
 }
 
 bool WebSourceBufferImpl::evictCodedFrames(double currentPlaybackTime,
                                            size_t newDataSize) {
   return demuxer_->EvictCodedFrames(
       id_,
       base::TimeDelta::FromSecondsD(currentPlaybackTime),
       newDataSize);
 }
 
-void WebSourceBufferImpl::append(
-    const unsigned char* data,
-    unsigned length,
-    double* timestamp_offset) {
+bool WebSourceBufferImpl::append(const unsigned char* data,
+                                 unsigned length,
+                                 double* timestamp_offset) {
   base::TimeDelta old_offset = timestamp_offset_;
-  demuxer_->AppendData(id_, data, length, append_window_start_,
-                       append_window_end_, &timestamp_offset_);
+  bool success = demuxer_->AppendData(id_, data, length, append_window_start_,
+                                      append_window_end_, &timestamp_offset_);
 
   // Coded frame processing may update the timestamp offset. If the caller
   // provides a non-NULL |timestamp_offset| and frame processing changes the
   // timestamp offset, report the new offset to the caller. Do not update the
   // caller's offset otherwise, to preserve any pre-existing value that may have
   // more than microsecond precision.
   if (timestamp_offset && old_offset != timestamp_offset_)
     *timestamp_offset = timestamp_offset_.InSecondsF();
+
+  return success;
 }
 
 void WebSourceBufferImpl::resetParserState() {
   demuxer_->ResetParserState(id_,
                              append_window_start_, append_window_end_,
                              &timestamp_offset_);
 
   // TODO(wolenetz): resetParserState should be able to modify the caller
   // timestamp offset (just like WebSourceBufferImpl::append).
   // See http://crbug.com/370229 for further details.
@@ skipping 60 matching lines @@
     trackInfo.kind = blink::WebString::fromUTF8(track->kind());
     trackInfo.label = blink::WebString::fromUTF8(track->label());
     trackInfo.language = blink::WebString::fromUTF8(track->language());
     trackInfoVector.push_back(trackInfo);
   }
 
   client_->initializationSegmentReceived(trackInfoVector);
 }
 
 }  // namespace media