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 #include "media/filters/ffmpeg_video_decoder.h"
  20 #endif
  21
  22 #if !defined(OS_ANDROID)
  23 #include "media/filters/opus_audio_decoder.h"
  24 #endif
  25
  26 #if !defined(MEDIA_DISABLE_LIBVPX)
  27 #include "media/filters/vpx_video_decoder.h"
  28 #endif
  29
  30 namespace media {
  31
  32 DefaultRendererFactory::DefaultRendererFactory(
  33     const scoped_refptr<MediaLog>& media_log,
  34     const scoped_refptr<GpuVideoAcceleratorFactories>& gpu_factories,
  35     const AudioHardwareConfig& audio_hardware_config)
  36     : media_log_(media_log),
  37       gpu_factories_(gpu_factories),
  38       audio_hardware_config_(audio_hardware_config) {
  39 }
  40
  41 DefaultRendererFactory::~DefaultRendererFactory() {
  42 }
  43
  44 scoped_ptr<Renderer> DefaultRendererFactory::CreateRenderer(
  45     const scoped_refptr<base::SingleThreadTaskRunner>& media_task_runner,
  46     AudioRendererSink* audio_renderer_sink,
  47     VideoRendererSink* video_renderer_sink) {
  48   DCHECK(audio_renderer_sink);
  49
  50   // Create our audio decoders and renderer.
  51   ScopedVector<AudioDecoder> audio_decoders;
  52
  53 #if !defined(MEDIA_DISABLE_FFMPEG)
  54   audio_decoders.push_back(new FFmpegAudioDecoder(
  55       media_task_runner, base::Bind(&MediaLog::AddLogEvent, media_log_)));
  56 #endif
  57
  58 #if !defined(OS_ANDROID)
  59   audio_decoders.push_back(new OpusAudioDecoder(media_task_runner));
  60 #endif
  61
  62   scoped_ptr<AudioRenderer> audio_renderer(new AudioRendererImpl(
  63       media_task_runner, audio_renderer_sink, audio_decoders.Pass(),
  64       audio_hardware_config_, media_log_));
  65
  66   // Create our video decoders and renderer.
  67   ScopedVector<VideoDecoder> video_decoders;
  68
  69   // |gpu_factories_| requires that its entry points be called on its
  70   // |GetTaskRunner()|.  Since |pipeline_| will own decoders created from the
  71   // factories, require that their message loops are identical.
  72   DCHECK(!gpu_factories_.get() ||
  73          (gpu_factories_->GetTaskRunner() == media_task_runner.get()));
  74
  75   if (gpu_factories_.get())
  76     video_decoders.push_back(new GpuVideoDecoder(gpu_factories_));
  77
  78 #if !defined(MEDIA_DISABLE_LIBVPX)
  79   video_decoders.push_back(new VpxVideoDecoder(media_task_runner));
  80 #endif
  81
  82 #if !defined(MEDIA_DISABLE_FFMPEG)
  83   video_decoders.push_back(new FFmpegVideoDecoder(media_task_runner));
  84 #endif
  85
  86   scoped_ptr<VideoRenderer> video_renderer(new VideoRendererImpl(
  87       media_task_runner, video_renderer_sink, video_decoders.Pass(), true,
  88       gpu_factories_, media_log_));
  89
  90   // Create renderer.
  91   return scoped_ptr<Renderer>(new RendererImpl(
  92       media_task_runner, audio_renderer.Pass(), video_renderer.Pass()));
  93 }
  94
  95 }  // namespace media