Audio and video decoders for MediaCodecPlayer

media/base/android/demuxer_stream_player_params.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "media/base/android/demuxer_stream_player_params.h"
 
 namespace media {
 
 DemuxerConfigs::DemuxerConfigs()
     : audio_codec(kUnknownAudioCodec),
       audio_channels(0),
       audio_sampling_rate(0),
       is_audio_encrypted(false),
       audio_codec_delay_ns(-1),
       audio_seek_preroll_ns(-1),
       video_codec(kUnknownVideoCodec),
       is_video_encrypted(false) {}
 
 DemuxerConfigs::~DemuxerConfigs() {}
 
 AccessUnit::AccessUnit() : is_end_of_stream(false), is_key_frame(false) {}
 
 AccessUnit::~AccessUnit() {}
 
 DemuxerData::DemuxerData() : type(DemuxerStream::UNKNOWN) {}
 
 DemuxerData::~DemuxerData() {}
 
+namespace {
+
+#undef RETURN_STRING
+#define RETURN_STRING(x) \
+  case x:                \
+    return #x;
+
+const char* AsString(AudioCodec codec) {
+  switch (codec) {
+    RETURN_STRING(kUnknownAudioCodec);
+    RETURN_STRING(kCodecAAC);
+    RETURN_STRING(kCodecMP3);
+    RETURN_STRING(kCodecPCM);
+    RETURN_STRING(kCodecVorbis);
+    RETURN_STRING(kCodecFLAC);
+    RETURN_STRING(kCodecAMR_NB);
+    RETURN_STRING(kCodecAMR_WB);
+    RETURN_STRING(kCodecPCM_MULAW);
+    RETURN_STRING(kCodecGSM_MS);
+    RETURN_STRING(kCodecPCM_S16BE);
+    RETURN_STRING(kCodecPCM_S24BE);
+    RETURN_STRING(kCodecOpus);
+    RETURN_STRING(kCodecPCM_ALAW);
+    RETURN_STRING(kCodecALAC);
+  }
+  NOTREACHED();
+  return nullptr;  // crash early
+}
+
+const char* AsString(VideoCodec codec) {
+  switch (codec) {
+    RETURN_STRING(kUnknownVideoCodec);
+    RETURN_STRING(kCodecH264);
+    RETURN_STRING(kCodecVC1);
+    RETURN_STRING(kCodecMPEG2);
+    RETURN_STRING(kCodecMPEG4);
+    RETURN_STRING(kCodecTheora);
+    RETURN_STRING(kCodecVP8);
+    RETURN_STRING(kCodecVP9);
+  }
+  NOTREACHED();
+  return nullptr;  // crash early
+}
+
+#undef RETURN_STRING
+
+}  // namespace (anonymous)
+
 }  // namespace media
+
+std::ostream& operator<<(std::ostream& os, const media::AccessUnit& au) {
+  os << "status:" << au.status << (au.is_end_of_stream ? " EOS" : "")
+     << (au.is_key_frame ? " KEY_FRAME" : "") << " pts:" << au.timestamp
+     << " size:" << au.data.size();
+  return os;
+}
+
+std::ostream& operator<<(std::ostream& os, const media::DemuxerConfigs& conf) {
+  os << conf.duration;

[wolenetz, 2015/06/22 22:43:46]

nit (sorry, didn't see this earlier):
os << "duration:" << conf.duration;

+
+  if (conf.audio_codec == media::kUnknownAudioCodec &&
+      conf.video_codec == media::kUnknownVideoCodec) {
+    os << " no audio, no video";
+    return os;
+  }
+
+  if (conf.audio_codec != media::kUnknownAudioCodec) {
+    os << " audio:" << media::AsString(conf.audio_codec)
+       << " channels:" << conf.audio_channels
+       << " rate:" << conf.audio_sampling_rate
+       << (conf.is_audio_encrypted ? " encrypted" : "");
+  }
+
+  if (conf.video_codec != media::kUnknownVideoCodec) {
+    os << " video:" << media::AsString(conf.video_codec) << " "
+       << conf.video_size.width() << "x" << conf.video_size.height()
+       << (conf.is_video_encrypted ? " encrypted" : "");
+  }
+
+  return os;
+}