Delete browser MSE implementation.

content/browser/media/android/browser_demuxer_android.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 "content/browser/media/android/browser_demuxer_android.h"
-
-#include "base/macros.h"
-#include "content/common/media/media_player_messages_android.h"
-#include "media/base/media_switches.h"
-
-namespace content {
-
-class BrowserDemuxerAndroid::Internal : public media::DemuxerAndroid {
- public:
-  Internal(const scoped_refptr<BrowserDemuxerAndroid>& demuxer,
-           int demuxer_client_id)
-      : demuxer_(demuxer),
-        demuxer_client_id_(demuxer_client_id) {}
-
-  ~Internal() override {
-    DCHECK(ClientIDExists()) << demuxer_client_id_;
-    demuxer_->RemoveDemuxerClient(demuxer_client_id_);
-  }
-
-  // media::DemuxerAndroid implementation.
-  void Initialize(media::DemuxerAndroidClient* client) override {
-    DCHECK(!ClientIDExists()) << demuxer_client_id_;
-    demuxer_->AddDemuxerClient(demuxer_client_id_, client);
-  }
-
-  void RequestDemuxerData(media::DemuxerStream::Type type) override {
-    DCHECK(ClientIDExists()) << demuxer_client_id_;
-    demuxer_->Send(new MediaPlayerMsg_ReadFromDemuxer(
-        demuxer_client_id_, type));
-  }
-
-  void RequestDemuxerSeek(const base::TimeDelta& time_to_seek,
-                          bool is_browser_seek) override {
-    DCHECK(ClientIDExists()) << demuxer_client_id_;
-    demuxer_->Send(new MediaPlayerMsg_DemuxerSeekRequest(
-        demuxer_client_id_, time_to_seek, is_browser_seek));
-  }
-
- private:
-  // Helper for DCHECKing that the ID is still registered.
-  bool ClientIDExists() {
-    return demuxer_->demuxer_clients_.Lookup(demuxer_client_id_);
-  }
-
-  scoped_refptr<BrowserDemuxerAndroid> demuxer_;
-  int demuxer_client_id_;
-
-  DISALLOW_COPY_AND_ASSIGN(Internal);
-};
-
-BrowserDemuxerAndroid::BrowserDemuxerAndroid()
-    : BrowserMessageFilter(MediaPlayerMsgStart),
-      task_runner_(
-          BrowserThread::GetTaskRunnerForThread(BrowserThread::UI).get()) {}
-
-BrowserDemuxerAndroid::~BrowserDemuxerAndroid() {}
-
-base::TaskRunner* BrowserDemuxerAndroid::OverrideTaskRunnerForMessage(
-    const IPC::Message& message) {
-
-  switch (message.type()) {
-    case MediaPlayerHostMsg_DemuxerReady::ID:
-    case MediaPlayerHostMsg_ReadFromDemuxerAck::ID:
-    case MediaPlayerHostMsg_DurationChanged::ID:
-    case MediaPlayerHostMsg_DemuxerSeekDone::ID:
-      return task_runner_;
-  }
-
-  return nullptr;
-}
-
-bool BrowserDemuxerAndroid::OnMessageReceived(const IPC::Message& message) {
-  bool handled = true;
-  IPC_BEGIN_MESSAGE_MAP(BrowserDemuxerAndroid, message)
-    IPC_MESSAGE_HANDLER(MediaPlayerHostMsg_DemuxerReady, OnDemuxerReady)
-    IPC_MESSAGE_HANDLER(MediaPlayerHostMsg_ReadFromDemuxerAck,
-                        OnReadFromDemuxerAck)
-    IPC_MESSAGE_HANDLER(MediaPlayerHostMsg_DurationChanged,
-                        OnDurationChanged)
-    IPC_MESSAGE_HANDLER(MediaPlayerHostMsg_DemuxerSeekDone,
-                        OnDemuxerSeekDone)
-    IPC_MESSAGE_UNHANDLED(handled = false)
-  IPC_END_MESSAGE_MAP()
-  return handled;
-}
-
-std::unique_ptr<media::DemuxerAndroid> BrowserDemuxerAndroid::CreateDemuxer(
-    int demuxer_client_id) {
-  return std::unique_ptr<media::DemuxerAndroid>(
-      new Internal(this, demuxer_client_id));
-}
-
-void BrowserDemuxerAndroid::AddDemuxerClient(
-    int demuxer_client_id,
-    media::DemuxerAndroidClient* client) {
-  DVLOG(1) << __FUNCTION__ << " peer_pid=" << peer_pid()
-           << " demuxer_client_id=" << demuxer_client_id;
-  DCHECK(task_runner_->BelongsToCurrentThread());
-
-  demuxer_clients_.AddWithID(client, demuxer_client_id);
-
-  if (pending_configs_.count(demuxer_client_id)) {
-    client->OnDemuxerConfigsAvailable(pending_configs_[demuxer_client_id]);
-    pending_configs_.erase(demuxer_client_id);
-  }
-}
-
-void BrowserDemuxerAndroid::RemoveDemuxerClient(int demuxer_client_id) {
-  DVLOG(1) << __FUNCTION__ << " peer_pid=" << peer_pid()
-           << " demuxer_client_id=" << demuxer_client_id;
-  DCHECK(task_runner_->BelongsToCurrentThread());
-
-  demuxer_clients_.Remove(demuxer_client_id);
-}
-
-void BrowserDemuxerAndroid::OnDemuxerReady(
-    int demuxer_client_id,
-    const media::DemuxerConfigs& configs) {
-  DCHECK(task_runner_->BelongsToCurrentThread());
-
-  media::DemuxerAndroidClient* client =
-      demuxer_clients_.Lookup(demuxer_client_id);
-
-  if (client)
-    client->OnDemuxerConfigsAvailable(configs);
-  else
-    pending_configs_[demuxer_client_id] = configs;
-}
-
-void BrowserDemuxerAndroid::OnReadFromDemuxerAck(
-    int demuxer_client_id,
-    const media::DemuxerData& data) {
-  DCHECK(task_runner_->BelongsToCurrentThread());
-
-  media::DemuxerAndroidClient* client =
-      demuxer_clients_.Lookup(demuxer_client_id);
-
-  if (client)
-    client->OnDemuxerDataAvailable(data);
-}
-
-void BrowserDemuxerAndroid::OnDemuxerSeekDone(
-    int demuxer_client_id,
-    const base::TimeDelta& actual_browser_seek_time) {
-  DCHECK(task_runner_->BelongsToCurrentThread());
-
-  media::DemuxerAndroidClient* client =
-      demuxer_clients_.Lookup(demuxer_client_id);
-
-  if (client)
-    client->OnDemuxerSeekDone(actual_browser_seek_time);
-}
-
-void BrowserDemuxerAndroid::OnDurationChanged(int demuxer_client_id,
-                                              const base::TimeDelta& duration) {
-  DCHECK(task_runner_->BelongsToCurrentThread());
-
-  media::DemuxerAndroidClient* client =
-      demuxer_clients_.Lookup(demuxer_client_id);
-
-  if (client)
-    client->OnDemuxerDurationChanged(duration);
-  else
-    pending_configs_[demuxer_client_id].duration = duration;
-}
-
-}  // namespace content