CmaRenderer is dead. Long live MojoRenderer.

chromecast/renderer/media/cma_renderer.cc

Index: chromecast/renderer/media/cma_renderer.cc
diff --git a/chromecast/renderer/media/cma_renderer.cc b/chromecast/renderer/media/cma_renderer.cc
deleted file mode 100644
index 0cdd1aa6f2d8669ebf6ea1fc73c10ee2ba69c9ae..0000000000000000000000000000000000000000
--- a/chromecast/renderer/media/cma_renderer.cc
+++ /dev/null
@@ -1,459 +0,0 @@
-// 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 "chromecast/renderer/media/cma_renderer.h"
-
-#include <algorithm>
-#include <utility>
-#include <vector>
-
-#include "base/bind.h"
-#include "base/callback_helpers.h"
-#include "base/location.h"
-#include "base/single_thread_task_runner.h"
-#include "base/threading/thread_task_runner_handle.h"
-#include "chromecast/media/cma/base/balanced_media_task_runner_factory.h"
-#include "chromecast/media/cma/base/cma_logging.h"
-#include "chromecast/media/cma/base/demuxer_stream_adapter.h"
-#include "chromecast/media/cma/pipeline/av_pipeline_client.h"
-#include "chromecast/media/cma/pipeline/media_pipeline_client.h"
-#include "chromecast/media/cma/pipeline/video_pipeline_client.h"
-#include "chromecast/renderer/media/audio_pipeline_proxy.h"
-#include "chromecast/renderer/media/media_pipeline_proxy.h"
-#include "chromecast/renderer/media/video_pipeline_proxy.h"
-#include "media/base/bind_to_current_loop.h"
-#include "media/base/demuxer_stream_provider.h"
-#include "media/base/pipeline_status.h"
-#include "media/base/renderer_client.h"
-#include "media/base/time_delta_interpolator.h"
-#include "media/base/video_renderer_sink.h"
-#include "media/renderers/video_overlay_factory.h"
-#include "ui/gfx/geometry/size.h"
-
-namespace chromecast {
-namespace media {
-
-namespace {
-
-// Maximum difference between audio frame PTS and video frame PTS
-// for frames read from the DemuxerStream.
-const base::TimeDelta kMaxDeltaFetcher(base::TimeDelta::FromMilliseconds(2000));
-
-void MediaPipelineClientDummyCallback() {
-}
-
-}  // namespace
-
-CmaRenderer::CmaRenderer(std::unique_ptr<MediaPipelineProxy> media_pipeline,
-                         ::media::VideoRendererSink* video_renderer_sink,
-                         ::media::GpuVideoAcceleratorFactories* gpu_factories)
-    : media_task_runner_factory_(
-          new BalancedMediaTaskRunnerFactory(kMaxDeltaFetcher)),
-      media_pipeline_(std::move(media_pipeline)),
-      audio_pipeline_(media_pipeline_->GetAudioPipeline()),
-      video_pipeline_(media_pipeline_->GetVideoPipeline()),
-      video_renderer_sink_(video_renderer_sink),
-      state_(kUninitialized),
-      is_pending_transition_(false),
-      has_audio_(false),
-      has_video_(false),
-      received_audio_eos_(false),
-      received_video_eos_(false),
-      gpu_factories_(gpu_factories),
-      time_interpolator_(
-          new ::media::TimeDeltaInterpolator(&default_tick_clock_)),
-      playback_rate_(1.0),
-      weak_factory_(this) {
-  weak_this_ = weak_factory_.GetWeakPtr();
-  thread_checker_.DetachFromThread();
-
-  time_interpolator_->SetUpperBound(base::TimeDelta());
-}
-
-CmaRenderer::~CmaRenderer() {
-  DCHECK(thread_checker_.CalledOnValidThread());
-  if (!init_cb_.is_null())
-    base::ResetAndReturn(&init_cb_).Run(::media::PIPELINE_ERROR_ABORT);
-  else if (!flush_cb_.is_null())
-    base::ResetAndReturn(&flush_cb_).Run();
-
-  if (has_audio_ || has_video_)
-    media_pipeline_->Stop();
-}
-
-void CmaRenderer::Initialize(
-    ::media::DemuxerStreamProvider* demuxer_stream_provider,
-    ::media::RendererClient* client,
-    const ::media::PipelineStatusCB& init_cb) {
-  CMALOG(kLogControl) << __FUNCTION__;
-  DCHECK(thread_checker_.CalledOnValidThread());
-  DCHECK_EQ(state_, kUninitialized) << state_;
-  DCHECK(!init_cb.is_null());
-  DCHECK(demuxer_stream_provider->GetStream(::media::DemuxerStream::AUDIO) ||
-         demuxer_stream_provider->GetStream(::media::DemuxerStream::VIDEO));
-
-  // Deferred from ctor so as to initialise on correct thread.
-  video_overlay_factory_.reset(
-      new ::media::VideoOverlayFactory(gpu_factories_));
-
-  BeginStateTransition();
-
-  demuxer_stream_provider_ = demuxer_stream_provider;
-  client_ = client;
-
-  MediaPipelineClient media_pipeline_client;
-  media_pipeline_client.error_cb =
-      ::media::BindToCurrentLoop(base::Bind(&CmaRenderer::OnError, weak_this_));
-  media_pipeline_client.buffering_state_cb = ::media::BindToCurrentLoop(
-      base::Bind(&CmaRenderer::OnBufferingNotification, weak_this_));
-  media_pipeline_client.time_update_cb = ::media::BindToCurrentLoop(
-      base::Bind(&CmaRenderer::OnPlaybackTimeUpdated, weak_this_));
-  media_pipeline_client.pipeline_backend_created_cb =
-      base::Bind(&MediaPipelineClientDummyCallback);
-  media_pipeline_client.pipeline_backend_destroyed_cb =
-      base::Bind(&MediaPipelineClientDummyCallback);
-  media_pipeline_->SetClient(media_pipeline_client);
-
-  init_cb_ = init_cb;
-  InitializeAudioPipeline();
-}
-
-void CmaRenderer::Flush(const base::Closure& flush_cb) {
-  CMALOG(kLogControl) << __FUNCTION__;
-  DCHECK(thread_checker_.CalledOnValidThread());
-  BeginStateTransition();
-
-  DCHECK(flush_cb_.is_null());
-  flush_cb_ = flush_cb;
-
-  if (state_ == kError) {
-    OnError(::media::PIPELINE_ERROR_ABORT);
-    return;
-  }
-
-  DCHECK_EQ(state_, kPlaying) << state_;
-  media_pipeline_->Flush(::media::BindToCurrentLoop(
-      base::Bind(&CmaRenderer::OnFlushDone, weak_this_)));
-
-  {
-    base::AutoLock auto_lock(time_interpolator_lock_);
-    time_interpolator_->StopInterpolating();
-  }
-}
-
-void CmaRenderer::StartPlayingFrom(base::TimeDelta time) {
-  CMALOG(kLogControl) << __FUNCTION__ << ": " << time.InMilliseconds();
-  DCHECK(thread_checker_.CalledOnValidThread());
-  BeginStateTransition();
-
-  if (state_ == kError) {
-    client_->OnError(::media::PIPELINE_ERROR_ABORT);
-    CompleteStateTransition(kError);
-    return;
-  }
-
-  {
-    base::AutoLock auto_lock(time_interpolator_lock_);
-    time_interpolator_.reset(
-        new ::media::TimeDeltaInterpolator(&default_tick_clock_));
-    time_interpolator_->SetPlaybackRate(playback_rate_);
-    time_interpolator_->SetBounds(time, time);
-    time_interpolator_->StartInterpolating();
-  }
-
-  received_audio_eos_ = false;
-  received_video_eos_ = false;
-
-  DCHECK_EQ(state_, kFlushed) << state_;
-  // Immediately update transition to playing.
-  // Error case will be handled on response from host.
-  media_pipeline_->StartPlayingFrom(time);
-  CompleteStateTransition(kPlaying);
-}
-
-void CmaRenderer::SetPlaybackRate(double playback_rate) {
-  CMALOG(kLogControl) << __FUNCTION__ << ": " << playback_rate;
-  DCHECK(thread_checker_.CalledOnValidThread());
-  media_pipeline_->SetPlaybackRate(playback_rate);
-  playback_rate_ = playback_rate;
-
-  {
-    base::AutoLock auto_lock(time_interpolator_lock_);
-    time_interpolator_->SetPlaybackRate(playback_rate);
-  }
-}
-
-void CmaRenderer::SetVolume(float volume) {
-  CMALOG(kLogControl) << __FUNCTION__ << ": " << volume;
-  DCHECK(thread_checker_.CalledOnValidThread());
-  audio_pipeline_->SetVolume(volume);
-}
-
-base::TimeDelta CmaRenderer::GetMediaTime() {
-  base::AutoLock auto_lock(time_interpolator_lock_);
-  return time_interpolator_->GetInterpolatedTime();
-}
-
-bool CmaRenderer::HasAudio() {
-  DCHECK(thread_checker_.CalledOnValidThread());
-  return has_audio_;
-}
-
-bool CmaRenderer::HasVideo() {
-  DCHECK(thread_checker_.CalledOnValidThread());
-  return has_video_;
-}
-
-void CmaRenderer::SetCdm(::media::CdmContext* cdm_context,
-                         const ::media::CdmAttachedCB& cdm_attached_cb) {
-  DCHECK(thread_checker_.CalledOnValidThread());
-#if defined(ENABLE_BROWSER_CDMS)
-  media_pipeline_->SetCdm(cdm_context->GetCdmId());
-#endif
-  cdm_attached_cb.Run(true);
-}
-
-void CmaRenderer::InitializeAudioPipeline() {
-  DCHECK(thread_checker_.CalledOnValidThread());
-  DCHECK_EQ(state_, kUninitialized) << state_;
-  DCHECK(!init_cb_.is_null());
-
-  ::media::DemuxerStream* stream =
-      demuxer_stream_provider_->GetStream(::media::DemuxerStream::AUDIO);
-  ::media::PipelineStatusCB audio_initialization_done_cb =
-      ::media::BindToCurrentLoop(
-          base::Bind(&CmaRenderer::OnAudioPipelineInitializeDone,
-                     weak_this_,
-                     stream != nullptr));
-  if (!stream) {
-    CMALOG(kLogControl) << __FUNCTION__ << ": no audio stream, skipping init.";
-    audio_initialization_done_cb.Run(::media::PIPELINE_OK);
-    return;
-  }
-
-  // Receive events from the audio pipeline.
-  AvPipelineClient av_pipeline_client;
-  av_pipeline_client.wait_for_key_cb = ::media::BindToCurrentLoop(
-      base::Bind(&CmaRenderer::OnWaitForKey, weak_this_, true));
-  av_pipeline_client.eos_cb = ::media::BindToCurrentLoop(
-      base::Bind(&CmaRenderer::OnEosReached, weak_this_, true));
-  av_pipeline_client.playback_error_cb =
-      ::media::BindToCurrentLoop(base::Bind(&CmaRenderer::OnError, weak_this_));
-  av_pipeline_client.statistics_cb = ::media::BindToCurrentLoop(
-      base::Bind(&CmaRenderer::OnStatisticsUpdated, weak_this_));
-  audio_pipeline_->SetClient(av_pipeline_client);
-
-  std::unique_ptr<CodedFrameProvider> frame_provider(new DemuxerStreamAdapter(
-      base::ThreadTaskRunnerHandle::Get(), media_task_runner_factory_, stream));
-
-  const ::media::AudioDecoderConfig& config = stream->audio_decoder_config();
-  if (config.codec() == ::media::kCodecAAC)
-    stream->EnableBitstreamConverter();
-
-  media_pipeline_->InitializeAudio(config, std::move(frame_provider),
-                                   audio_initialization_done_cb);
-}
-
-void CmaRenderer::OnAudioPipelineInitializeDone(
-    bool audio_stream_present,
-    ::media::PipelineStatus status) {
-  CMALOG(kLogControl) << __FUNCTION__ << ": state=" << state_;
-  DCHECK(thread_checker_.CalledOnValidThread());
-
-  // OnError() may be fired at any time, even before initialization is complete.
-  if (state_ == kError)
-    return;
-
-  DCHECK_EQ(state_, kUninitialized) << state_;
-  DCHECK(!init_cb_.is_null());
-  if (status != ::media::PIPELINE_OK) {
-    base::ResetAndReturn(&init_cb_).Run(status);
-    return;
-  }
-
-  has_audio_ = audio_stream_present;
-  InitializeVideoPipeline();
-}
-
-void CmaRenderer::InitializeVideoPipeline() {
-  DCHECK(thread_checker_.CalledOnValidThread());
-  DCHECK_EQ(state_, kUninitialized) << state_;
-  DCHECK(!init_cb_.is_null());
-
-  ::media::DemuxerStream* stream =
-      demuxer_stream_provider_->GetStream(::media::DemuxerStream::VIDEO);
-  ::media::PipelineStatusCB video_initialization_done_cb =
-      ::media::BindToCurrentLoop(
-          base::Bind(&CmaRenderer::OnVideoPipelineInitializeDone,
-                     weak_this_,
-                     stream != nullptr));
-  if (!stream) {
-    CMALOG(kLogControl) << __FUNCTION__ << ": no video stream, skipping init.";
-    video_initialization_done_cb.Run(::media::PIPELINE_OK);
-    return;
-  }
-
-  // Receive events from the video pipeline.
-  VideoPipelineClient client;
-  client.av_pipeline_client.wait_for_key_cb = ::media::BindToCurrentLoop(
-      base::Bind(&CmaRenderer::OnWaitForKey, weak_this_, false));
-  client.av_pipeline_client.eos_cb = ::media::BindToCurrentLoop(
-      base::Bind(&CmaRenderer::OnEosReached, weak_this_, false));
-  client.av_pipeline_client.playback_error_cb =
-      ::media::BindToCurrentLoop(base::Bind(&CmaRenderer::OnError, weak_this_));
-  client.av_pipeline_client.statistics_cb = ::media::BindToCurrentLoop(
-      base::Bind(&CmaRenderer::OnStatisticsUpdated, weak_this_));
-  client.natural_size_changed_cb = ::media::BindToCurrentLoop(
-      base::Bind(&CmaRenderer::OnNaturalSizeChanged, weak_this_));
-  video_pipeline_->SetClient(client);
-
-  std::unique_ptr<CodedFrameProvider> frame_provider(new DemuxerStreamAdapter(
-      base::ThreadTaskRunnerHandle::Get(), media_task_runner_factory_, stream));
-
-  const ::media::VideoDecoderConfig& config = stream->video_decoder_config();
-  if (config.codec() == ::media::kCodecH264)
-    stream->EnableBitstreamConverter();
-
-  std::vector<::media::VideoDecoderConfig> configs;
-  configs.push_back(config);
-  media_pipeline_->InitializeVideo(configs, std::move(frame_provider),
-                                   video_initialization_done_cb);
-}
-
-void CmaRenderer::OnVideoPipelineInitializeDone(
-    bool video_stream_present,
-    ::media::PipelineStatus status) {
-  CMALOG(kLogControl) << __FUNCTION__ << ": state=" << state_;
-  DCHECK(thread_checker_.CalledOnValidThread());
-
-  // OnError() may be fired at any time, even before initialization is complete.
-  if (state_ == kError)
-    return;
-
-  DCHECK_EQ(state_, kUninitialized) << state_;
-  DCHECK(!init_cb_.is_null());
-  if (status != ::media::PIPELINE_OK) {
-    base::ResetAndReturn(&init_cb_).Run(status);
-    return;
-  }
-
-  has_video_ = video_stream_present;
-  CompleteStateTransition(kFlushed);
-  base::ResetAndReturn(&init_cb_).Run(::media::PIPELINE_OK);
-}
-
-void CmaRenderer::OnWaitForKey(bool is_audio) {
-  client_->OnWaitingForDecryptionKey();
-}
-
-void CmaRenderer::OnEosReached(bool is_audio) {
-  DCHECK(thread_checker_.CalledOnValidThread());
-  if (state_ != kPlaying) {
-    LOG(WARNING) << __FUNCTION__ << " Ignoring a late EOS event";
-    return;
-  }
-
-  if (is_audio) {
-    DCHECK(!received_audio_eos_);
-    received_audio_eos_ = true;
-  } else {
-    DCHECK(!received_video_eos_);
-    received_video_eos_ = true;
-  }
-
-  bool audio_finished = !has_audio_ || received_audio_eos_;
-  bool video_finished = !has_video_ || received_video_eos_;
-  CMALOG(kLogControl) << __FUNCTION__ << " audio_finished=" << audio_finished
-                      << " video_finished=" << video_finished;
-  if (audio_finished && video_finished)
-    client_->OnEnded();
-}
-
-void CmaRenderer::OnStatisticsUpdated(
-    const ::media::PipelineStatistics& stats) {
-  DCHECK(thread_checker_.CalledOnValidThread());
-  client_->OnStatisticsUpdate(stats);
-}
-
-void CmaRenderer::OnNaturalSizeChanged(const gfx::Size& size) {
-  DCHECK(thread_checker_.CalledOnValidThread());
-  video_renderer_sink_->PaintSingleFrame(
-      video_overlay_factory_->CreateFrame(size));
-  client_->OnVideoNaturalSizeChange(size);
-}
-
-void CmaRenderer::OnPlaybackTimeUpdated(base::TimeDelta time,
-                                        base::TimeDelta max_time,
-                                        base::TimeTicks capture_time) {
-  DCHECK(thread_checker_.CalledOnValidThread());
-  if (state_ != kPlaying) {
-    LOG(WARNING) << "Ignoring a late time update";
-    return;
-  }
-
-  // TODO(halliwell): arguably, TimeDeltaInterpolator::SetBounds should perform
-  // this calculation to avoid calling TimeTicks::Now twice (it's slower and has
-  // potential accuracy problems).
-  base::TimeDelta lower_bound =
-      std::min(max_time, time + base::TimeTicks::Now() - capture_time);
-
-  base::AutoLock auto_lock(time_interpolator_lock_);
-  time_interpolator_->SetBounds(lower_bound, max_time);
-}
-
-void CmaRenderer::OnBufferingNotification(
-    ::media::BufferingState buffering_state) {
-  CMALOG(kLogControl) << __FUNCTION__ << ": state=" << state_
-                      << ", buffering=" << buffering_state;
-  DCHECK(thread_checker_.CalledOnValidThread());
-  client_->OnBufferingStateChange(buffering_state);
-}
-
-void CmaRenderer::OnFlushDone() {
-  DCHECK(thread_checker_.CalledOnValidThread());
-
-  if (state_ == kError) {
-    // If OnError was called while the flush was in progress,
-    // |flush_cb_| must be null.
-    DCHECK(flush_cb_.is_null());
-    return;
-  }
-
-  CompleteStateTransition(kFlushed);
-  base::ResetAndReturn(&flush_cb_).Run();
-}
-
-void CmaRenderer::OnError(::media::PipelineStatus error) {
-  DCHECK(thread_checker_.CalledOnValidThread());
-  DCHECK_NE(::media::PIPELINE_OK, error) << "PIPELINE_OK isn't an error!";
-  LOG(ERROR) << "CMA error encountered: " << error;
-
-  State old_state = state_;
-  CompleteStateTransition(kError);
-
-  if (old_state != kError) {
-    if (!init_cb_.is_null()) {
-      base::ResetAndReturn(&init_cb_).Run(error);
-      return;
-    }
-    client_->OnError(error);
-  }
-
-  // After OnError() returns, the pipeline may destroy |this|.
-  if (!flush_cb_.is_null())
-    base::ResetAndReturn(&flush_cb_).Run();
-}
-
-void CmaRenderer::BeginStateTransition() {
-  DCHECK(!is_pending_transition_) << state_;
-  is_pending_transition_ = true;
-}
-
-void CmaRenderer::CompleteStateTransition(State new_state) {
-  state_ = new_state;
-  is_pending_transition_ = false;
-}
-
-}  // namespace media
-}  // namespace chromecast