Rename browser side MediaCodec-based decoders

media/base/android/media_codec_video_decoder.cc

Index: media/base/android/media_codec_video_decoder.cc
diff --git a/media/base/android/media_codec_video_decoder.cc b/media/base/android/media_codec_video_decoder.cc
deleted file mode 100644
index 2726d3aa5b0d35b080fbbdeb42dea04ab6fe8822..0000000000000000000000000000000000000000
--- a/media/base/android/media_codec_video_decoder.cc
+++ /dev/null
@@ -1,360 +0,0 @@
-// 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/media_codec_video_decoder.h"
-
-#include <utility>
-
-#include "base/bind.h"
-#include "base/logging.h"
-#include "media/base/android/media_statistics.h"
-#include "media/base/android/sdk_media_codec_bridge.h"
-#include "media/base/demuxer_stream.h"
-#include "media/base/timestamp_constants.h"
-
-namespace media {
-
-namespace {
-const int kDelayForStandAloneEOS = 2;  // milliseconds
-}
-
-MediaCodecVideoDecoder::MediaCodecVideoDecoder(
-    const scoped_refptr<base::SingleThreadTaskRunner>& media_task_runner,
-    FrameStatistics* frame_statistics,
-    const base::Closure& request_data_cb,
-    const base::Closure& starvation_cb,
-    const base::Closure& decoder_drained_cb,
-    const base::Closure& stop_done_cb,
-    const base::Closure& waiting_for_decryption_key_cb,
-    const base::Closure& error_cb,
-    const SetTimeCallback& update_current_time_cb,
-    const VideoSizeChangedCallback& video_size_changed_cb)
-    : MediaCodecDecoder("VideoDecoder",
-                        media_task_runner,
-                        frame_statistics,
-                        request_data_cb,
-                        starvation_cb,
-                        decoder_drained_cb,
-                        stop_done_cb,
-                        waiting_for_decryption_key_cb,
-                        error_cb),
-      is_protected_surface_required_(false),
-      update_current_time_cb_(update_current_time_cb),
-      video_size_changed_cb_(video_size_changed_cb) {
-}
-
-MediaCodecVideoDecoder::~MediaCodecVideoDecoder() {
-  DCHECK(media_task_runner_->BelongsToCurrentThread());
-  DVLOG(1) << "VideoDecoder::~VideoDecoder()";
-  ReleaseDecoderResources();
-}
-
-const char* MediaCodecVideoDecoder::class_name() const {
-  return "VideoDecoder";
-}
-
-bool MediaCodecVideoDecoder::HasStream() const {
-  DCHECK(media_task_runner_->BelongsToCurrentThread());
-
-  return configs_.video_codec != kUnknownVideoCodec;
-}
-
-void MediaCodecVideoDecoder::SetDemuxerConfigs(const DemuxerConfigs& configs) {
-  DVLOG(1) << class_name() << "::" << __FUNCTION__ << " " << configs;
-
-  configs_ = configs;
-
-  if (video_size_.IsEmpty()) {
-    video_size_ = configs_.video_size;
-    media_task_runner_->PostTask(
-        FROM_HERE, base::Bind(video_size_changed_cb_, video_size_));
-  }
-}
-
-bool MediaCodecVideoDecoder::IsContentEncrypted() const {
-  // Make sure SetDemuxerConfigs() as been called.
-  DCHECK(configs_.video_codec != kUnknownVideoCodec);
-  return configs_.is_video_encrypted;
-}
-
-void MediaCodecVideoDecoder::ReleaseDecoderResources() {
-  DCHECK(media_task_runner_->BelongsToCurrentThread());
-  DVLOG(1) << class_name() << "::" << __FUNCTION__;
-
-  DoEmergencyStop();
-
-  ReleaseMediaCodec();
-
-  surface_ = gfx::ScopedJavaSurface();
-}
-
-void MediaCodecVideoDecoder::ReleaseMediaCodec() {
-  DCHECK(media_task_runner_->BelongsToCurrentThread());
-
-  MediaCodecDecoder::ReleaseMediaCodec();
-  delayed_buffers_.clear();
-}
-
-void MediaCodecVideoDecoder::SetVideoSurface(gfx::ScopedJavaSurface surface) {
-  DCHECK(media_task_runner_->BelongsToCurrentThread());
-
-  DVLOG(1) << class_name() << "::" << __FUNCTION__
-           << (surface.IsEmpty() ? " empty" : " non-empty");
-
-  surface_ = std::move(surface);
-
-  needs_reconfigure_ = true;
-}
-
-bool MediaCodecVideoDecoder::HasVideoSurface() const {
-  DCHECK(media_task_runner_->BelongsToCurrentThread());
-
-  return !surface_.IsEmpty();
-}
-
-void MediaCodecVideoDecoder::SetProtectedSurfaceRequired(bool value) {
-  DCHECK(media_task_runner_->BelongsToCurrentThread());
-
-  is_protected_surface_required_ = value;
-}
-
-bool MediaCodecVideoDecoder::IsProtectedSurfaceRequired() const {
-  DCHECK(media_task_runner_->BelongsToCurrentThread());
-
-  return is_protected_surface_required_;
-}
-
-bool MediaCodecVideoDecoder::IsCodecReconfigureNeeded(
-    const DemuxerConfigs& next) const {
-  if (always_reconfigure_for_tests_)
-    return true;
-
-  if (configs_.video_codec != next.video_codec ||
-      configs_.is_video_encrypted != next.is_video_encrypted) {
-    return true;
-  }
-
-  // Only size changes below this point
-
-  if (configs_.video_size.width() == next.video_size.width() &&
-      configs_.video_size.height() == next.video_size.height()) {
-    return false;  // i.e. configs_ == next
-  }
-
-  return !static_cast<VideoCodecBridge*>(media_codec_bridge_.get())
-      ->IsAdaptivePlaybackSupported(next.video_size.width(),
-                                    next.video_size.height());
-}
-
-MediaCodecDecoder::ConfigStatus MediaCodecVideoDecoder::ConfigureInternal(
-    jobject media_crypto) {
-  DCHECK(media_task_runner_->BelongsToCurrentThread());
-
-  DVLOG(1) << class_name() << "::" << __FUNCTION__;
-
-  // If we cannot find a key frame in cache, the browser seek is needed.
-  if (!au_queue_.RewindToLastKeyFrame()) {
-    DVLOG(1) << class_name() << "::" << __FUNCTION__ << " key frame required";
-    return kConfigKeyFrameRequired;
-  }
-
-  if (configs_.video_codec == kUnknownVideoCodec) {
-    DVLOG(0) << class_name() << "::" << __FUNCTION__
-             << ": configuration parameters are required";
-    return kConfigFailure;
-  }
-
-  if (surface_.IsEmpty()) {
-    DVLOG(0) << class_name() << "::" << __FUNCTION__ << ": surface is required";
-    return kConfigFailure;
-  }
-
-  bool is_secure = IsContentEncrypted() && is_protected_surface_required_;
-
-  media_codec_bridge_.reset(VideoCodecBridge::CreateDecoder(
-      configs_.video_codec,
-      is_secure,
-      configs_.video_size,
-      surface_.j_surface().obj(),
-      media_crypto));
-
-  if (!media_codec_bridge_) {
-    DVLOG(0) << class_name() << "::" << __FUNCTION__
-             << " failed: cannot create video codec";
-    return kConfigFailure;
-  }
-
-  DVLOG(0) << class_name() << "::" << __FUNCTION__ << " succeeded";
-
-  if (!codec_created_for_tests_cb_.is_null())
-    media_task_runner_->PostTask(FROM_HERE, codec_created_for_tests_cb_);
-
-  return kConfigOk;
-}
-
-void MediaCodecVideoDecoder::AssociateCurrentTimeWithPTS(base::TimeDelta pts) {
-  DCHECK(media_task_runner_->BelongsToCurrentThread());
-
-  DVLOG(1) << class_name() << "::" << __FUNCTION__ << " pts:" << pts;
-
-  start_time_ticks_ = base::TimeTicks::Now();
-  start_pts_ = pts;
-  last_seen_pts_ = pts;
-}
-
-void MediaCodecVideoDecoder::DissociatePTSFromTime() {
-  DCHECK(media_task_runner_->BelongsToCurrentThread());
-
-  start_pts_ = last_seen_pts_ = kNoTimestamp();
-}
-
-void MediaCodecVideoDecoder::OnOutputFormatChanged() {
-  DCHECK(decoder_thread_.task_runner()->BelongsToCurrentThread());
-
-  gfx::Size prev_size = video_size_;
-
-  // See b/18224769. The values reported from MediaCodecBridge::GetOutputFormat
-  // correspond to the actual video frame size, but this is not necessarily the
-  // size that should be output.
-  video_size_ = configs_.video_size;
-  if (video_size_ != prev_size) {
-    media_task_runner_->PostTask(
-        FROM_HERE, base::Bind(video_size_changed_cb_, video_size_));
-  }
-}
-
-void MediaCodecVideoDecoder::Render(int buffer_index,
-                                    size_t offset,
-                                    size_t size,
-                                    RenderMode render_mode,
-                                    base::TimeDelta pts,
-                                    bool eos_encountered) {
-  DCHECK(decoder_thread_.task_runner()->BelongsToCurrentThread());
-
-  DVLOG(2) << class_name() << "::" << __FUNCTION__ << " pts:" << pts
-           << (eos_encountered ? " EOS " : " ") << AsString(render_mode);
-
-  // Normally EOS comes as a separate access unit that does not have data,
-  // the corresponding |size| will be 0.
-  if (!size && eos_encountered) {
-    // Stand-alone EOS
-    // Discard the PTS that comes with it and ensure it is released last.
-    pts = last_seen_pts_ +
-          base::TimeDelta::FromMilliseconds(kDelayForStandAloneEOS);
-  } else {
-    // Keep track of last seen PTS
-    last_seen_pts_ = pts;
-  }
-
-  // Do not update time for stand-alone EOS.
-  const bool update_time = !(eos_encountered && size == 0u);
-
-  // For video we simplify the preroll operation and render the first frame
-  // after preroll during the preroll phase, i.e. without waiting for audio
-  // stream to finish prerolling.
-  switch (render_mode) {
-    case kRenderSkip:
-      ReleaseOutputBuffer(buffer_index, pts, false, false, eos_encountered);
-      return;
-    case kRenderAfterPreroll:
-      // We get here in the preroll phase. Render now as explained above.
-      // |start_pts_| is not set yet, thus we cannot calculate |time_to_render|.
-      ReleaseOutputBuffer(buffer_index, pts, (size > 0), update_time,
-                          eos_encountered);
-      return;
-    case kRenderNow:
-      break;
-  }
-
-  DCHECK_EQ(kRenderNow, render_mode);
-  DCHECK_NE(kNoTimestamp(), start_pts_);  // start_pts_ must be set
-
-  base::TimeDelta time_to_render =
-      pts - (base::TimeTicks::Now() - start_time_ticks_ + start_pts_);
-
-  DVLOG(2) << class_name() << "::" << __FUNCTION__ << " pts:" << pts
-           << " ticks delta:" << (base::TimeTicks::Now() - start_time_ticks_)
-           << " time_to_render:" << time_to_render;
-
-  const bool render = (size > 0);
-
-  if (render)
-    frame_statistics_->IncrementFrameCount();
-
-  if (time_to_render < base::TimeDelta()) {
-    if (render) {
-      DVLOG(2) << class_name() << "::" << __FUNCTION__
-               << " LATE FRAME delay:" << (-1) * time_to_render;
-
-      frame_statistics_->IncrementLateFrameCount();
-    }
-
-    // Render late frames immediately.
-    ReleaseOutputBuffer(buffer_index, pts, render, update_time,
-                        eos_encountered);
-    return;
-  }
-
-  delayed_buffers_.insert(buffer_index);
-
-  decoder_thread_.task_runner()->PostDelayedTask(
-      FROM_HERE, base::Bind(&MediaCodecVideoDecoder::ReleaseOutputBuffer,
-                            base::Unretained(this), buffer_index, pts, render,
-                            update_time, eos_encountered),
-      time_to_render);
-}
-
-int MediaCodecVideoDecoder::NumDelayedRenderTasks() const {
-  DCHECK(decoder_thread_.task_runner()->BelongsToCurrentThread());
-
-  return delayed_buffers_.size();
-}
-
-void MediaCodecVideoDecoder::ReleaseDelayedBuffers() {
-  // Media thread
-  // Called when there is no decoder thread
-  for (int index : delayed_buffers_)
-    media_codec_bridge_->ReleaseOutputBuffer(index, false);
-
-  delayed_buffers_.clear();
-}
-
-#ifndef NDEBUG
-void MediaCodecVideoDecoder::VerifyUnitIsKeyFrame(
-    const AccessUnit* unit) const {
-  // The first video frame in a sequence must be a key frame or stand-alone EOS.
-  DCHECK(unit);
-  bool stand_alone_eos = unit->is_end_of_stream && unit->data.empty();
-  DCHECK(stand_alone_eos || unit->is_key_frame);
-}
-#endif
-
-void MediaCodecVideoDecoder::ReleaseOutputBuffer(int buffer_index,
-                                                 base::TimeDelta pts,
-                                                 bool render,
-                                                 bool update_time,
-                                                 bool eos_encountered) {
-  DCHECK(decoder_thread_.task_runner()->BelongsToCurrentThread());
-
-  DVLOG(2) << class_name() << "::" << __FUNCTION__ << " pts:" << pts;
-
-  // Do not render if we are in emergency stop, there might be no surface.
-  if (InEmergencyStop())
-    render = false;
-
-  media_codec_bridge_->ReleaseOutputBuffer(buffer_index, render);
-
-  delayed_buffers_.erase(buffer_index);
-
-  CheckLastFrame(eos_encountered, !delayed_buffers_.empty());
-
-  // |update_current_time_cb_| might be null if there is audio stream.
-  // Do not update current time for stand-alone EOS frames.
-  if (!update_current_time_cb_.is_null() && update_time) {
-    media_task_runner_->PostTask(
-        FROM_HERE, base::Bind(update_current_time_cb_, pts, pts, false));
-  }
-}
-
-}  // namespace media