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     AudioRendererSink* audio_renderer_sink,
  49     VideoRendererSink* video_renderer_sink) {
  50   DCHECK(audio_renderer_sink);
  51
  52   // Create our audio decoders and renderer.
  53   ScopedVector<AudioDecoder> audio_decoders;
  54
  55 #if !defined(MEDIA_DISABLE_FFMPEG)
  56   audio_decoders.push_back(
  57       new FFmpegAudioDecoder(media_task_runner, media_log_));
  58 #endif
  59
  60 #if !defined(OS_ANDROID) || defined(ENABLE_MEDIA_PIPELINE_ON_ANDROID)
  61   audio_decoders.push_back(new OpusAudioDecoder(media_task_runner));
  62 #endif
  63
  64   scoped_ptr<AudioRenderer> audio_renderer(new AudioRendererImpl(
  65       media_task_runner, audio_renderer_sink, audio_decoders.Pass(),
  66       audio_hardware_config_, media_log_));
  67
  68   // Create our video decoders and renderer.
  69   ScopedVector<VideoDecoder> video_decoders;
  70
  71   // |gpu_factories_| requires that its entry points be called on its
  72   // |GetTaskRunner()|.  Since |pipeline_| will own decoders created from the
  73   // factories, require that their message loops are identical.
  74   DCHECK(!gpu_factories_.get() ||
  75          (gpu_factories_->GetTaskRunner() == media_task_runner.get()));
  76
  77   if (gpu_factories_.get())
  78     video_decoders.push_back(new GpuVideoDecoder(gpu_factories_));
  79
  80 #if !defined(MEDIA_DISABLE_LIBVPX)
  81   video_decoders.push_back(new VpxVideoDecoder(media_task_runner));
  82 #endif
  83
  84 #if !defined(MEDIA_DISABLE_FFMPEG) && !defined(DISABLE_FFMPEG_VIDEO_DECODERS)
  85   video_decoders.push_back(new FFmpegVideoDecoder(media_task_runner));
  86 #endif
  87
  88   scoped_ptr<VideoRenderer> video_renderer(new VideoRendererImpl(
  89       media_task_runner, video_renderer_sink, video_decoders.Pass(), true,
  90       gpu_factories_, media_log_));
  91
  92   // Create renderer.
  93   return scoped_ptr<Renderer>(new RendererImpl(
  94       media_task_runner, audio_renderer.Pass(), video_renderer.Pass()));
  95 }
  96
  97 }  // namespace media