media/renderers/default_renderer_factory.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "media/renderers/default_renderer_factory.h"
   6
   7 #include "base/bind.h"
   8 #include "build/build_config.h"
   9 #include "base/single_thread_task_runner.h"
  10 #include "media/base/media_log.h"
  11 #include "media/filters/gpu_video_decoder.h"
  12 #include "media/renderers/audio_renderer_impl.h"
  13 #include "media/renderers/gpu_video_accelerator_factories.h"
  14 #include "media/renderers/renderer_impl.h"
  15 #include "media/renderers/video_renderer_impl.h"
  16
  17 #if !defined(MEDIA_DISABLE_FFMPEG)
  18 #include "media/filters/ffmpeg_audio_decoder.h"
  19 #if !defined(DISABLE_FFMPEG_VIDEO_DECODERS)
  20 #include "media/filters/ffmpeg_video_decoder.h"
  21 #endif
  22 #endif
  23
  24 #if !defined(OS_ANDROID) || defined(ENABLE_MEDIA_PIPELINE_ON_ANDROID)
  25 #include "media/filters/opus_audio_decoder.h"
  26 #endif
  27
  28 #if !defined(MEDIA_DISABLE_LIBVPX)
  29 #include "media/filters/vpx_video_decoder.h"
  30 #endif
  31
  32 namespace media {
  33
  34 DefaultRendererFactory::DefaultRendererFactory(
  35     const scoped_refptr<MediaLog>& media_log,
  36     const scoped_refptr<GpuVideoAcceleratorFactories>& gpu_factories,
  37     const AudioHardwareConfig& audio_hardware_config)
  38     : media_log_(media_log),
  39       gpu_factories_(gpu_factories),
  40       audio_hardware_config_(audio_hardware_config) {
  41 }
  42
  43 DefaultRendererFactory::~DefaultRendererFactory() {
  44 }
  45
  46 scoped_ptr<Renderer> DefaultRendererFactory::CreateRenderer(
  47     const scoped_refptr<base::SingleThreadTaskRunner>& media_task_runner,
  48     const scoped_refptr<base::TaskRunner>& worker_task_runner,
  49     AudioRendererSink* audio_renderer_sink,
  50     VideoRendererSink* video_renderer_sink) {
  51   DCHECK(audio_renderer_sink);
  52
  53   // Create our audio decoders and renderer.
  54   ScopedVector<AudioDecoder> audio_decoders;
  55
  56 #if !defined(MEDIA_DISABLE_FFMPEG)
  57   audio_decoders.push_back(
  58       new FFmpegAudioDecoder(media_task_runner, media_log_));
  59 #endif
  60
  61 #if !defined(OS_ANDROID) || defined(ENABLE_MEDIA_PIPELINE_ON_ANDROID)
  62   audio_decoders.push_back(new OpusAudioDecoder(media_task_runner));
  63 #endif
  64
  65   scoped_ptr<AudioRenderer> audio_renderer(new AudioRendererImpl(
  66       media_task_runner, audio_renderer_sink, audio_decoders.Pass(),
  67       audio_hardware_config_, media_log_));
  68
  69   // Create our video decoders and renderer.
  70   ScopedVector<VideoDecoder> video_decoders;
  71
  72   // |gpu_factories_| requires that its entry points be called on its
  73   // |GetTaskRunner()|.  Since |pipeline_| will own decoders created from the
  74   // factories, require that their message loops are identical.
  75   DCHECK(!gpu_factories_.get() ||
  76          (gpu_factories_->GetTaskRunner() == media_task_runner.get()));
  77
  78   if (gpu_factories_.get())
  79     video_decoders.push_back(new GpuVideoDecoder(gpu_factories_));
  80
  81 #if !defined(MEDIA_DISABLE_LIBVPX)
  82   video_decoders.push_back(new VpxVideoDecoder(media_task_runner));
  83 #endif
  84
  85 #if !defined(MEDIA_DISABLE_FFMPEG) && !defined(DISABLE_FFMPEG_VIDEO_DECODERS)
  86   video_decoders.push_back(new FFmpegVideoDecoder(media_task_runner));
  87 #endif
  88
  89   scoped_ptr<VideoRenderer> video_renderer(new VideoRendererImpl(
  90       media_task_runner, worker_task_runner, video_renderer_sink,
  91       video_decoders.Pass(), true, gpu_factories_, media_log_));
  92
  93   // Create renderer.
  94   return scoped_ptr<Renderer>(new RendererImpl(
  95       media_task_runner, audio_renderer.Pass(), video_renderer.Pass()));
  96 }
  97
  98 }  // namespace media