media/filters/decoder_stream_traits.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/filters/decoder_stream_traits.h"
   6
   7 #include "base/logging.h"
   8 #include "media/base/audio_decoder.h"
   9 #include "media/base/audio_decoder_config.h"
  10 #include "media/base/video_decoder.h"
  11 #include "media/base/video_decoder_config.h"
  12
  13 namespace media {
  14
  15 std::string DecoderStreamTraits<DemuxerStream::AUDIO>::ToString() {
  16   return "Audio";
  17 }
  18
  19 void DecoderStreamTraits<DemuxerStream::AUDIO>::Initialize(
  20     DecoderType* decoder,
  21     const DecoderConfigType& config,
  22     bool low_delay,
  23     const PipelineStatusCB& status_cb) {
  24   decoder->Initialize(config, status_cb);
  25 }
  26
  27 bool DecoderStreamTraits<DemuxerStream::AUDIO>::FinishInitialization(
  28     const StreamInitCB& init_cb,
  29     DecoderType* decoder,
  30     DemuxerStream* stream) {
  31   DCHECK(stream);
  32   if (!decoder) {
  33     init_cb.Run(false);
  34     return false;
  35   }
  36   init_cb.Run(true);
  37   return true;
  38 }
  39
  40 void DecoderStreamTraits<DemuxerStream::AUDIO>::ReportStatistics(
  41     const StatisticsCB& statistics_cb,
  42     int bytes_decoded) {
  43   PipelineStatistics statistics;
  44   statistics.audio_bytes_decoded = bytes_decoded;
  45   statistics_cb.Run(statistics);
  46 }
  47
  48 DecoderStreamTraits<DemuxerStream::AUDIO>::DecoderConfigType
  49     DecoderStreamTraits<DemuxerStream::AUDIO>::GetDecoderConfig(
  50         DemuxerStream& stream) {
  51   return stream.audio_decoder_config();
  52 }
  53
  54 std::string DecoderStreamTraits<DemuxerStream::VIDEO>::ToString() {
  55   return "Video";
  56 }
  57
  58 void DecoderStreamTraits<DemuxerStream::VIDEO>::Initialize(
  59     DecoderType* decoder,
  60     const DecoderConfigType& config,
  61     bool low_delay,
  62     const PipelineStatusCB& status_cb) {
  63   decoder->Initialize(config, low_delay, status_cb);
  64 }
  65
  66 bool DecoderStreamTraits<DemuxerStream::VIDEO>::FinishInitialization(
  67     const StreamInitCB& init_cb,
  68     DecoderType* decoder,
  69     DemuxerStream* stream) {
  70   DCHECK(stream);
  71   if (!decoder) {
  72     init_cb.Run(false);
  73     return false;
  74   }
  75   if (decoder->NeedsBitstreamConversion())
  76     stream->EnableBitstreamConverter();
  77   init_cb.Run(true);
  78   return true;
  79 }
  80
  81 void DecoderStreamTraits<DemuxerStream::VIDEO>::ReportStatistics(
  82     const StatisticsCB& statistics_cb,
  83     int bytes_decoded) {
  84   PipelineStatistics statistics;
  85   statistics.video_bytes_decoded = bytes_decoded;
  86   statistics_cb.Run(statistics);
  87 }
  88
  89 DecoderStreamTraits<DemuxerStream::VIDEO>::DecoderConfigType
  90     DecoderStreamTraits<DemuxerStream::VIDEO>::GetDecoderConfig(
  91         DemuxerStream& stream) {
  92   return stream.video_decoder_config();
  93 }
  94
  95 }  // namespace media