Fix up missing timestamps in FFmpegDemuxer.

media/filters/ffmpeg_demuxer.cc

 // Copyright (c) 2012 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/filters/ffmpeg_demuxer.h"
 
 #include <algorithm>
 #include <memory>
 #include <set>
 #include <utility>
@@ skipping 535 matching lines @@
     // later.  See http://crbug.com/396864.
     if (fixup_negative_timestamps_ &&
         (buffer->timestamp() == kNoTimestamp ||
          buffer->timestamp() < last_packet_timestamp_)) {
       buffer->set_timestamp(last_packet_timestamp_ +
                             (last_packet_duration_ != kNoTimestamp
                                  ? last_packet_duration_
                                  : base::TimeDelta::FromMicroseconds(1)));
     }
 
+    if (buffer->timestamp() == kNoTimestamp) {
+      // If we didn't get a valid timestamp and didn't fix it up, then fail.
+      demuxer_->NotifyDemuxerError(DEMUXER_ERROR_COULD_NOT_PARSE);
+      return;
+    }
+
     // The demuxer should always output positive timestamps.
     DCHECK(buffer->timestamp() >= base::TimeDelta());
-    DCHECK(buffer->timestamp() != kNoTimestamp);
 
     if (last_packet_timestamp_ < buffer->timestamp()) {
       buffered_ranges_.Add(last_packet_timestamp_, buffer->timestamp());
       demuxer_->NotifyBufferingChanged();
     }
   }
 
   if (packet.get()->flags & AV_PKT_FLAG_KEY)
     buffer->set_is_key_frame(true);
 
@@ skipping 1226 matching lines @@
     if (stream)
       stream->SetEndOfStream();
   }
 }
 
 void FFmpegDemuxer::OnDataSourceError() {
   MEDIA_LOG(ERROR, media_log_) << GetDisplayName() << ": data source error";
   host_->OnDemuxerError(PIPELINE_ERROR_READ);
 }
 
+void FFmpegDemuxer::NotifyDemuxerError(PipelineStatus status) {
+  MEDIA_LOG(ERROR, media_log_) << GetDisplayName()
+                               << ": demuxer error: " << status;
+  host_->OnDemuxerError(status);
+}
+
 void FFmpegDemuxer::SetLiveness(DemuxerStream::Liveness liveness) {
   DCHECK(task_runner_->BelongsToCurrentThread());
   for (const auto& stream : streams_) {
     if (stream)
       stream->SetLiveness(liveness);
   }
 }
 
 }  // namespace media