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_buffer.h"
   9 #include "media/base/audio_decoder.h"
  10 #include "media/base/audio_decoder_config.h"
  11 #include "media/base/video_decoder.h"
  12 #include "media/base/video_decoder_config.h"
  13 #include "media/base/video_frame.h"
  14
  15 namespace media {
  16
  17 std::string DecoderStreamTraits<DemuxerStream::AUDIO>::ToString() {
  18   return "audio";
  19 }
  20
  21 void DecoderStreamTraits<DemuxerStream::AUDIO>::InitializeDecoder(
  22     DecoderType* decoder,
  23     DemuxerStream* stream,
  24     const InitCB& init_cb,
  25     const OutputCB& output_cb) {
  26   DCHECK(stream->audio_decoder_config().IsValidConfig());
  27   decoder->Initialize(stream->audio_decoder_config(), init_cb, output_cb);
  28 }
  29
  30 void DecoderStreamTraits<DemuxerStream::AUDIO>::ReportStatistics(
  31     const StatisticsCB& statistics_cb,
  32     int bytes_decoded) {
  33   PipelineStatistics statistics;
  34   statistics.audio_bytes_decoded = bytes_decoded;
  35   statistics_cb.Run(statistics);
  36 }
  37
  38 scoped_refptr<DecoderStreamTraits<DemuxerStream::AUDIO>::OutputType>
  39     DecoderStreamTraits<DemuxerStream::AUDIO>::CreateEOSOutput() {
  40   return OutputType::CreateEOSBuffer();
  41 }
  42
  43 std::string DecoderStreamTraits<DemuxerStream::VIDEO>::ToString() {
  44   return "video";
  45 }
  46
  47 void DecoderStreamTraits<DemuxerStream::VIDEO>::InitializeDecoder(
  48     DecoderType* decoder,
  49     DemuxerStream* stream,
  50     const InitCB& init_cb,
  51     const OutputCB& output_cb) {
  52   DCHECK(stream->video_decoder_config().IsValidConfig());
  53   decoder->Initialize(stream->video_decoder_config(),
  54                       stream->liveness() == DemuxerStream::LIVENESS_LIVE,
  55                       init_cb, output_cb);
  56 }
  57
  58 bool DecoderStreamTraits<DemuxerStream::VIDEO>::NeedsBitstreamConversion(
  59     DecoderType* decoder) {
  60   return decoder->NeedsBitstreamConversion();
  61 }
  62
  63 void DecoderStreamTraits<DemuxerStream::VIDEO>::ReportStatistics(
  64     const StatisticsCB& statistics_cb,
  65     int bytes_decoded) {
  66   PipelineStatistics statistics;
  67   statistics.video_bytes_decoded = bytes_decoded;
  68   statistics_cb.Run(statistics);
  69 }
  70
  71 scoped_refptr<DecoderStreamTraits<DemuxerStream::VIDEO>::OutputType>
  72     DecoderStreamTraits<DemuxerStream::VIDEO>::CreateEOSOutput() {
  73   return OutputType::CreateEOSFrame();
  74 }
  75
  76 }  // namespace media