media/base/filter_collection.cc

   1 // Copyright (c) 2012 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/base/filter_collection.h"
   6
   7 #include "base/logging.h"
   8 #include "media/base/audio_decoder.h"
   9 #include "media/base/audio_renderer.h"
  10 #include "media/base/demuxer.h"
  11 #include "media/base/video_decoder.h"
  12 #include "media/base/video_renderer.h"
  13
  14 namespace media {
  15
  16 FilterCollection::FilterCollection() {}
  17
  18 FilterCollection::~FilterCollection() {}
  19
  20 void FilterCollection::SetDemuxer(const scoped_refptr<Demuxer>& demuxer) {
  21   demuxer_ = demuxer;
  22 }
  23
  24 const scoped_refptr<Demuxer>& FilterCollection::GetDemuxer() {
  25   return demuxer_;
  26 }
  27
  28 void FilterCollection::AddAudioRenderer(AudioRenderer* audio_renderer) {
  29   audio_renderers_.push_back(audio_renderer);
  30 }
  31
  32 void FilterCollection::AddVideoRenderer(VideoRenderer* video_renderer) {
  33   video_renderers_.push_back(video_renderer);
  34 }
  35
  36 void FilterCollection::Clear() {
  37   audio_decoders_.clear();
  38   video_decoders_.clear();
  39   audio_renderers_.clear();
  40   video_renderers_.clear();
  41 }
  42
  43 void FilterCollection::SelectAudioRenderer(scoped_refptr<AudioRenderer>* out) {
  44   if (audio_renderers_.empty()) {
  45     *out = NULL;
  46     return;
  47   }
  48   *out = audio_renderers_.front();
  49   audio_renderers_.pop_front();
  50 }
  51
  52 void FilterCollection::SelectVideoRenderer(scoped_refptr<VideoRenderer>* out) {
  53   if (video_renderers_.empty()) {
  54     *out = NULL;
  55     return;
  56   }
  57   *out = video_renderers_.front();
  58   video_renderers_.pop_front();
  59 }
  60
  61 FilterCollection::AudioDecoderList* FilterCollection::GetAudioDecoders() {
  62   return &audio_decoders_;
  63 }
  64
  65 FilterCollection::VideoDecoderList* FilterCollection::GetVideoDecoders() {
  66   return &video_decoders_;
  67 }
  68
  69 }  // namespace media