Generate and assign media track ids in demuxers.

media/blink/webmediaplayer_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/webmediaplayer_impl.h"
 
 #include <algorithm>
 #include <cmath>
 #include <limits>
 #include <string>
@@ skipping 815 matching lines @@
 void WebMediaPlayerImpl::OnFFmpegMediaTracksUpdated(
     std::unique_ptr<MediaTracks> tracks) {
   // For MSE/chunk_demuxer case the media track updates are handled by
   // WebSourceBufferImpl.
   DCHECK(demuxer_.get());
   DCHECK(!chunk_demuxer_);
 
   // Report the media track information to blink.
   for (const auto& track : tracks->tracks()) {
     if (track->type() == MediaTrack::Audio) {
-      auto track_id = client_->addAudioTrack(
-          blink::WebString::fromUTF8(
-              base::UintToString(track->bytestream_track_id())),
-          blink::WebMediaPlayerClient::AudioTrackKindMain,
-          blink::WebString::fromUTF8(track->label()),
-          blink::WebString::fromUTF8(track->language()),
-          /*enabled*/ true);
-      (void)track_id;
+      client_->addAudioTrack(blink::WebString::fromUTF8(track->id()),
+                             blink::WebMediaPlayerClient::AudioTrackKindMain,
+                             blink::WebString::fromUTF8(track->label()),
+                             blink::WebString::fromUTF8(track->language()),
+                             /*enabled*/ true);
     } else if (track->type() == MediaTrack::Video) {
-      auto track_id = client_->addVideoTrack(
-          blink::WebString::fromUTF8(
-              base::UintToString(track->bytestream_track_id())),
-          blink::WebMediaPlayerClient::VideoTrackKindMain,
-          blink::WebString::fromUTF8(track->label()),
-          blink::WebString::fromUTF8(track->language()),
-          /*selected*/ true);
-      (void)track_id;
+      client_->addVideoTrack(blink::WebString::fromUTF8(track->id()),
+                             blink::WebMediaPlayerClient::VideoTrackKindMain,
+                             blink::WebString::fromUTF8(track->label()),
+                             blink::WebString::fromUTF8(track->language()),
+                             /*selected*/ true);
     } else {
       // Text tracks are not supported through this code path yet.
       NOTREACHED();
     }
   }
 }
 
 void WebMediaPlayerImpl::SetCdm(const CdmAttachedCB& cdm_attached_cb,
                                 CdmContext* cdm_context) {
   if (!cdm_context) {
@@ skipping 775 matching lines @@
   if (isRemote())
     return;
 #endif
 
   // Idle timeout chosen arbitrarily.
   background_pause_timer_.Start(FROM_HERE, base::TimeDelta::FromSeconds(5),
                                 this, &WebMediaPlayerImpl::OnPause);
 }
 
 }  // namespace media