Revert of Chromecast: Play audio streams not supported by CMA via default renderer

chromecast/renderer/media/chromecast_media_renderer_factory.cc

Index: chromecast/renderer/media/chromecast_media_renderer_factory.cc
diff --git a/chromecast/renderer/media/chromecast_media_renderer_factory.cc b/chromecast/renderer/media/chromecast_media_renderer_factory.cc
deleted file mode 100644
index 4c7e36df67dcfa291cdef1a1ff6d5384e4574191..0000000000000000000000000000000000000000
--- a/chromecast/renderer/media/chromecast_media_renderer_factory.cc
+++ /dev/null
@@ -1,73 +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 "chromecast/renderer/media/chromecast_media_renderer_factory.h"
-
-#include "base/command_line.h"
-#include "chromecast/media/base/switching_media_renderer.h"
-#include "chromecast/media/cma/filters/cma_renderer.h"
-#include "chromecast/renderer/media/media_pipeline_proxy.h"
-#include "content/public/renderer/render_thread.h"
-#include "media/base/audio_hardware_config.h"
-#include "media/base/media_log.h"
-#include "media/renderers/default_renderer_factory.h"
-
-namespace chromecast {
-namespace media {
-
-ChromecastMediaRendererFactory::ChromecastMediaRendererFactory(
-    const scoped_refptr<::media::MediaLog>& media_log,
-    int render_frame_id)
-    : render_frame_id_(render_frame_id),
-      media_log_(media_log) {
-}
-
-ChromecastMediaRendererFactory::~ChromecastMediaRendererFactory() {
-}
-
-scoped_ptr<::media::Renderer> ChromecastMediaRendererFactory::CreateRenderer(
-    const scoped_refptr<base::SingleThreadTaskRunner>& media_task_runner,
-    ::media::AudioRendererSink* audio_renderer_sink) {
-  if (!default_render_factory_) {
-    // Chromecast doesn't have input audio devices, so leave this uninitialized
-    ::media::AudioParameters input_audio_params;
-    // TODO(servolk): Audio parameters are hardcoded for now, but in the future
-    // either we need to obtain AudioHardwareConfig from RenderThreadImpl,
-    // or media renderer needs to figure out optimal audio parameters itself.
-    const int kDefaultSamplingRate = 48000;
-    const int kDefaultBitsPerSample = 16;
-    // About 20ms of stereo (2 channels) 16bit (2 byte) audio
-    int buffer_size = kDefaultSamplingRate * 20 * 2 * 2 / 1000;
-    ::media::AudioParameters output_audio_params(
-        ::media::AudioParameters::AUDIO_PCM_LOW_LATENCY,
-        ::media::CHANNEL_LAYOUT_STEREO,
-        kDefaultSamplingRate, kDefaultBitsPerSample,
-        buffer_size, ::media::AudioParameters::NO_EFFECTS);
-    ::media::AudioHardwareConfig audio_config(input_audio_params,
-                                              output_audio_params);
-
-    default_render_factory_.reset(new ::media::DefaultRendererFactory(
-        media_log_, /*gpu_factories*/ nullptr, audio_config));
-  }
-
-  DCHECK(default_render_factory_);
-  // TODO(erickung): crbug.com/443956. Need to provide right LoadType.
-  LoadType cma_load_type = kLoadTypeMediaSource;
-  scoped_ptr<MediaPipeline> cma_media_pipeline(
-      new MediaPipelineProxy(
-          render_frame_id_,
-          content::RenderThread::Get()->GetIOMessageLoopProxy(),
-          cma_load_type));
-  scoped_ptr<CmaRenderer> cma_renderer(
-      new CmaRenderer(cma_media_pipeline.Pass()));
-  scoped_ptr<::media::Renderer> default_media_render(
-      default_render_factory_->CreateRenderer(media_task_runner,
-                                              audio_renderer_sink));
-  scoped_ptr<SwitchingMediaRenderer> media_renderer(new SwitchingMediaRenderer(
-      default_media_render.Pass(), cma_renderer.Pass()));
-  return media_renderer.Pass();
-}
-
-}  // namespace media
-}  // namespace chromecast