Implement disabling and enabling media tracks

media/mojo/services/mojo_demuxer_stream_impl.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/mojo/services/mojo_demuxer_stream_impl.h"
 
 #include <stdint.h>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 61 matching lines @@
 
 void MojoDemuxerStreamImpl::Read(const ReadCallback& callback)  {
   stream_->Read(base::Bind(&MojoDemuxerStreamImpl::OnBufferReady,
                            weak_factory_.GetWeakPtr(), callback));
 }
 
 void MojoDemuxerStreamImpl::EnableBitstreamConverter() {
   stream_->EnableBitstreamConverter();
 }
 
+void MojoDemuxerStreamImpl::enabled(const enabledCallback& callback) {
+  callback.Run(stream_->enabled());
+}
+
+void MojoDemuxerStreamImpl::set_enabled(bool enabled, int64_t time_usec) {
+  stream_->set_enabled(enabled, base::TimeDelta::FromMicroseconds(time_usec));
+}
+
 void MojoDemuxerStreamImpl::OnBufferReady(
     const ReadCallback& callback,
     media::DemuxerStream::Status status,
     const scoped_refptr<media::DecoderBuffer>& buffer) {
   mojom::AudioDecoderConfigPtr audio_config;
   mojom::VideoDecoderConfigPtr video_config;
 
   if (status == media::DemuxerStream::kConfigChanged) {
     DVLOG(2) << __FUNCTION__ << ": ConfigChange!";
     // Send the config change so our client can read it once it parses the
@@ skipping 36 matching lines @@
 
   // TODO(dalecurtis): Once we can write framed data to the DataPipe, fill via
   // the producer handle and then read more to keep the pipe full.  Waiting for
   // space can be accomplished using an AsyncWaiter.
   callback.Run(static_cast<mojom::DemuxerStream::Status>(status),
                mojom::DecoderBuffer::From(buffer), std::move(audio_config),
                std::move(video_config));
 }
 
 }  // namespace media