media: Remove FilterCollection.

content/renderer/media/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 "content/renderer/media/webmediaplayer_impl.h"
 
 #include <algorithm>
 #include <limits>
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/callback_helpers.h"
-#include "base/command_line.h"
 #include "base/debug/alias.h"
 #include "base/debug/crash_logging.h"
 #include "base/debug/trace_event.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "base/metrics/histogram.h"
 #include "base/single_thread_task_runner.h"
 #include "base/synchronization/waitable_event.h"
 #include "cc/blink/web_layer_impl.h"
 #include "cc/layers/video_layer.h"
-#include "content/public/common/content_switches.h"
 #include "content/public/renderer/render_frame.h"
 #include "content/renderer/media/buffered_data_source.h"
 #include "content/renderer/media/crypto/encrypted_media_player_support.h"
 #include "content/renderer/media/render_media_log.h"
 #include "content/renderer/media/texttrack_impl.h"
 #include "content/renderer/media/webaudiosourceprovider_impl.h"
 #include "content/renderer/media/webinbandtexttrack_impl.h"
 #include "content/renderer/media/webmediaplayer_delegate.h"
 #include "content/renderer/media/webmediaplayer_params.h"
 #include "content/renderer/media/webmediaplayer_util.h"
 #include "content/renderer/media/webmediasource_impl.h"
 #include "content/renderer/render_thread_impl.h"
 #include "gpu/GLES2/gl2extchromium.h"
 #include "gpu/command_buffer/common/mailbox_holder.h"
 #include "media/audio/null_audio_sink.h"
 #include "media/base/audio_hardware_config.h"
 #include "media/base/bind_to_current_loop.h"
-#include "media/base/filter_collection.h"
 #include "media/base/limits.h"
 #include "media/base/media_log.h"
-#include "media/base/media_switches.h"
 #include "media/base/pipeline.h"
 #include "media/base/text_renderer.h"
 #include "media/base/video_frame.h"
 #include "media/filters/audio_renderer_impl.h"
 #include "media/filters/chunk_demuxer.h"
 #include "media/filters/ffmpeg_audio_decoder.h"
 #include "media/filters/ffmpeg_demuxer.h"
 #include "media/filters/ffmpeg_video_decoder.h"
 #include "media/filters/gpu_video_accelerator_factories.h"
 #include "media/filters/gpu_video_decoder.h"
@@ skipping 811 matching lines @@
   // Create renderer.
   return scoped_ptr<media::Renderer>(new media::RendererImpl(
       media_task_runner_,
       demuxer_.get(),
       audio_renderer.Pass(),
       video_renderer.Pass()));
 }
 
 void WebMediaPlayerImpl::StartPipeline() {
   DCHECK(main_task_runner_->BelongsToCurrentThread());
-  const CommandLine* cmd_line = CommandLine::ForCurrentProcess();
 
   // Keep track if this is a MSE or non-MSE playback.
   UMA_HISTOGRAM_BOOLEAN("Media.MSE.Playback",
                         (load_type_ == LoadTypeMediaSource));
 
   media::LogCB mse_log_cb;
   media::Demuxer::NeedKeyCB need_key_cb =
       encrypted_media_support_->CreateNeedKeyCB();
 
   // Figure out which demuxer to use.
@@ skipping 12 matching lines @@
     mse_log_cb = base::Bind(&LogMediaSourceError, media_log_);
 
     chunk_demuxer_ = new media::ChunkDemuxer(
         BIND_TO_RENDER_LOOP(&WebMediaPlayerImpl::OnDemuxerOpened),
         need_key_cb,
         mse_log_cb,
         true);
     demuxer_.reset(chunk_demuxer_);
   }
 
-  scoped_ptr<media::FilterCollection> filter_collection(
-      new media::FilterCollection());
-  filter_collection->SetDemuxer(demuxer_.get());
-  filter_collection->SetRenderer(CreateRenderer());
-
-  if (cmd_line->HasSwitch(switches::kEnableInbandTextTracks)) {
-    scoped_ptr<media::TextRenderer> text_renderer(
-        new media::TextRenderer(
-            media_task_runner_,
-            BIND_TO_RENDER_LOOP(&WebMediaPlayerImpl::OnAddTextTrack)));
-
-    filter_collection->SetTextRenderer(text_renderer.Pass());
-  }
-
   // ... and we're ready to go!
   seeking_ = true;
   pipeline_.Start(
-      filter_collection.Pass(),
+      demuxer_.get(),
+      CreateRenderer(),
       BIND_TO_RENDER_LOOP(&WebMediaPlayerImpl::OnPipelineEnded),
       BIND_TO_RENDER_LOOP(&WebMediaPlayerImpl::OnPipelineError),
       BIND_TO_RENDER_LOOP1(&WebMediaPlayerImpl::OnPipelineSeeked, false),
       BIND_TO_RENDER_LOOP(&WebMediaPlayerImpl::OnPipelineMetadata),
       BIND_TO_RENDER_LOOP(&WebMediaPlayerImpl::OnPipelineBufferingStateChanged),
-      BIND_TO_RENDER_LOOP(&WebMediaPlayerImpl::OnDurationChanged));
+      BIND_TO_RENDER_LOOP(&WebMediaPlayerImpl::OnDurationChanged),
+      BIND_TO_RENDER_LOOP(&WebMediaPlayerImpl::OnAddTextTrack));
 }
 
 void WebMediaPlayerImpl::SetNetworkState(WebMediaPlayer::NetworkState state) {
   DVLOG(1) << __FUNCTION__ << "(" << state << ")";
   DCHECK(main_task_runner_->BelongsToCurrentThread());
   network_state_ = state;
   // Always notify to ensure client has the latest value.
   client_->networkStateChanged();
 }
 
@@ skipping 85 matching lines @@
   compositor_task_runner_->PostTask(FROM_HERE,
                                     base::Bind(&GetCurrentFrameAndSignal,
                                                base::Unretained(compositor_),
                                                &video_frame,
                                                &event));
   event.Wait();
   return video_frame;
 }
 
 }  // namespace content