Added stub MediaSourcePlayer for developing behind the flag

media/base/android/mt/player.cc

+// Copyright 2015 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/base/android/mt/player.h"
+
+#include "base/bind.h"
+#include "base/lazy_instance.h"
+#include "base/logging.h"
+#include "base/threading/thread.h"
+
+#include "media/base/android/media_player_manager.h"
+
+namespace media {
+namespace mt {
+
+class MediaThread : public base::Thread {
+ public:
+  MediaThread() : base::Thread("MediaSource_MediaThread") {
+    Start();
+  }
+};
+
+// Create media thread
+base::LazyInstance<MediaThread>::Leaky
+    g_media_thread = LAZY_INSTANCE_INITIALIZER;
+
+
+scoped_refptr<base::SingleThreadTaskRunner> GetMediaTaskRunner() {
+  return g_media_thread.Pointer()->task_runner();
+}
+
+Player::Player(
+    int player_id,
+    MediaPlayerManager* manager,
+    const RequestMediaResourcesCB& request_media_resources_cb,
+    scoped_ptr<DemuxerAndroid> demuxer,
+    const GURL& frame_url)
+    : MediaPlayerAndroid(player_id,
+                         manager,
+                         request_media_resources_cb,
+                         frame_url),
+      demuxer_(demuxer.Pass()),
+      weak_factory_(this)
+{
+  DVLOG(1) << "Player::Player: player_id:" << player_id;
+
+  demuxer_->Initialize(this);
+  weak_this_ = weak_factory_.GetWeakPtr();
+}
+
+Player::~Player()
+{
+  // Called on UI thread, we need to release asynchronously
+}
+
+void Player::SetVideoSurface(gfx::ScopedJavaSurface surface) {
+  DVLOG(1) << __FUNCTION__;
+
+  // gfx::ScopedJavaSurface has move constructor instead of copy,
+  // the following Bind() does not work
+  //GetMediaTaskRunner()->PostTask(
+  //    FROM_HERE, base::Bind(&Player::SetVideoSurfaceInternal,
+  //    weak_this_, surface));
+}
+
+void Player::Start() {
+  DVLOG(1) << __FUNCTION__;
+
+  GetMediaTaskRunner()->PostTask(
+      FROM_HERE, base::Bind(&Player::StartInternal, weak_this_));
+}
+
+void Player::Pause(bool /* is_media_related_action */) {
+  DVLOG(1) << __FUNCTION__;
+
+  GetMediaTaskRunner()->PostTask(
+      FROM_HERE, base::Bind(&Player::PauseInternal, weak_this_));
+}
+
+void Player::SeekTo(base::TimeDelta timestamp) {
+  DVLOG(1) << __FUNCTION__ << " " << timestamp;
+
+  GetMediaTaskRunner()->PostTask(
+      FROM_HERE, base::Bind(&Player::SeekToInternal, weak_this_, timestamp));
+}
+
+void Player::Release() {
+  DVLOG(1) << __FUNCTION__;
+
+  GetMediaTaskRunner()->PostTask(
+      FROM_HERE, base::Bind(&Player::ReleaseInternal, weak_this_));
+}
+
+void Player::SetVolume(double volume) {
+  DVLOG(1) << __FUNCTION__ << " " << volume;
+}
+
+int Player::GetVideoWidth() {
+  return 320;
+}
+
+int Player::GetVideoHeight() {
+  return 240;
+}
+
+base::TimeDelta Player::GetCurrentTime() {
+  return base::TimeDelta();
+}
+
+base::TimeDelta Player::GetDuration() {
+  return base::TimeDelta();
+}
+
+bool Player::IsPlaying() {
+  return false;
+}
+
+bool Player::CanPause() {
+  return false;
+}
+
+bool Player::CanSeekForward() {
+  return false;
+}
+
+bool Player::CanSeekBackward() {
+  return false;
+}
+
+bool Player::IsPlayerReady() {
+  DVLOG(1) << __FUNCTION__;
+  return true;
+}
+
+void Player::SetCdm(BrowserCdm* cdm) {
+  DVLOG(1) << __FUNCTION__;
+}
+
+void Player::OnDemuxerConfigsAvailable(const DemuxerConfigs& params) {
+  DVLOG(1) << __FUNCTION__;
+
+  // TODO: Post on UI thread
+  manager()->OnMediaMetadataChanged(
+      player_id(), base::TimeDelta::FromMilliseconds(100000),
+      GetVideoWidth(), GetVideoHeight(), true);
+}
+
+void Player::OnDemuxerDataAvailable(const DemuxerData& params) {
+  DVLOG(1) << __FUNCTION__;
+}
+
+void Player::OnDemuxerSeekDone(base::TimeDelta actual_browser_seek_time) {
+  DVLOG(1) << __FUNCTION__ << " actual_time:" << actual_browser_seek_time;
+}
+
+void Player::OnDemuxerDurationChanged(base::TimeDelta duration) {
+  DVLOG(1) << __FUNCTION__ << " duration:" << duration;
+}
+
+
+// Events from UI, called on Media thread
+
+void Player::SetVideoSurfaceInternal(gfx::ScopedJavaSurface surface) {
+  DVLOG(1) << __FUNCTION__;
+}
+
+void Player::StartInternal() {
+  DVLOG(1) << __FUNCTION__;
+}
+
+void Player::PauseInternal() {
+  DVLOG(1) << __FUNCTION__;
+}
+
+void Player::SeekToInternal(base::TimeDelta timestamp) {
+  DVLOG(1) << __FUNCTION__ << " " << timestamp;
+}
+
+void Player::ReleaseInternal() {
+  DVLOG(1) << __FUNCTION__;
+}
+
+}  // namespace mt
+}  // namespace media