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/media_log.h" 6 7 #include <string> 8 9 #include "base/atomic_sequence_num.h" 10 #include "base/logging.h" 11 #include "base/values.h" 12 13 namespace media { 14 15 // A count of all MediaLogs created in the current process. Used to generate 16 // unique IDs. 17 static base::StaticAtomicSequenceNumber g_media_log_count; 18 19 const char* MediaLog::EventTypeToString(MediaLogEvent::Type type) { 20 switch (type) { 21 case MediaLogEvent::WEBMEDIAPLAYER_CREATED: 22 return "WEBMEDIAPLAYER_CREATED"; 23 case MediaLogEvent::WEBMEDIAPLAYER_DESTROYED: 24 return "WEBMEDIAPLAYER_DESTROYED"; 25 case MediaLogEvent::PIPELINE_CREATED: 26 return "PIPELINE_CREATED"; 27 case MediaLogEvent::PIPELINE_DESTROYED: 28 return "PIPELINE_DESTROYED"; 29 case MediaLogEvent::LOAD: 30 return "LOAD"; 31 case MediaLogEvent::SEEK: 32 return "SEEK"; 33 case MediaLogEvent::PLAY: 34 return "PLAY"; 35 case MediaLogEvent::PAUSE: 36 return "PAUSE"; 37 case MediaLogEvent::PIPELINE_STATE_CHANGED: 38 return "PIPELINE_STATE_CHANGED"; 39 case MediaLogEvent::PIPELINE_ERROR: 40 return "PIPELINE_ERROR"; 41 case MediaLogEvent::VIDEO_SIZE_SET: 42 return "VIDEO_SIZE_SET"; 43 case MediaLogEvent::DURATION_SET: 44 return "DURATION_SET"; 45 case MediaLogEvent::TOTAL_BYTES_SET: 46 return "TOTAL_BYTES_SET"; 47 case MediaLogEvent::NETWORK_ACTIVITY_SET: 48 return "NETWORK_ACTIVITY_SET"; 49 case MediaLogEvent::AUDIO_ENDED: 50 return "AUDIO_ENDED"; 51 case MediaLogEvent::VIDEO_ENDED: 52 return "VIDEO_ENDED"; 53 case MediaLogEvent::AUDIO_RENDERER_DISABLED: 54 return "AUDIO_RENDERER_DISABLED"; 55 case MediaLogEvent::BUFFERED_EXTENTS_CHANGED: 56 return "BUFFERED_EXTENTS_CHANGED"; 57 case MediaLogEvent::MEDIA_SOURCE_ERROR: 58 return "MEDIA_SOURCE_ERROR"; 59 case MediaLogEvent::PROPERTY_CHANGE: 60 return "PROPERTY_CHANGE"; 61 } 62 NOTREACHED(); 63 return NULL; 64 } 65 66 const char* MediaLog::PipelineStatusToString(PipelineStatus status) { 67 switch (status) { 68 case PIPELINE_OK: 69 return "pipeline: ok"; 70 case PIPELINE_ERROR_URL_NOT_FOUND: 71 return "pipeline: url not found"; 72 case PIPELINE_ERROR_NETWORK: 73 return "pipeline: network error"; 74 case PIPELINE_ERROR_DECODE: 75 return "pipeline: decode error"; 76 case PIPELINE_ERROR_DECRYPT: 77 return "pipeline: decrypt error"; 78 case PIPELINE_ERROR_ABORT: 79 return "pipeline: abort"; 80 case PIPELINE_ERROR_INITIALIZATION_FAILED: 81 return "pipeline: initialization failed"; 82 case PIPELINE_ERROR_COULD_NOT_RENDER: 83 return "pipeline: could not render"; 84 case PIPELINE_ERROR_READ: 85 return "pipeline: read error"; 86 case PIPELINE_ERROR_OPERATION_PENDING: 87 return "pipeline: operation pending"; 88 case PIPELINE_ERROR_INVALID_STATE: 89 return "pipeline: invalid state"; 90 case DEMUXER_ERROR_COULD_NOT_OPEN: 91 return "demuxer: could not open"; 92 case DEMUXER_ERROR_COULD_NOT_PARSE: 93 return "dumuxer: could not parse"; 94 case DEMUXER_ERROR_NO_SUPPORTED_STREAMS: 95 return "demuxer: no supported streams"; 96 case DECODER_ERROR_NOT_SUPPORTED: 97 return "decoder: not supported"; 98 case PIPELINE_STATUS_MAX: 99 NOTREACHED(); 100 } 101 NOTREACHED(); 102 return NULL; 103 } 104 105 LogHelper::LogHelper(const LogCB& log_cb) : log_cb_(log_cb) {} 106 107 LogHelper::~LogHelper() { 108 if (log_cb_.is_null()) 109 return; 110 log_cb_.Run(stream_.str()); 111 } 112 113 MediaLog::MediaLog() : id_(g_media_log_count.GetNext()) {} 114 115 MediaLog::~MediaLog() {} 116 117 void MediaLog::AddEvent(scoped_ptr<MediaLogEvent> event) {} 118 119 scoped_ptr<MediaLogEvent> MediaLog::CreateEvent(MediaLogEvent::Type type) { 120 scoped_ptr<MediaLogEvent> event(new MediaLogEvent); 121 event->id = id_; 122 event->type = type; 123 event->time = base::TimeTicks::Now(); 124 return event.Pass(); 125 } 126 127 scoped_ptr<MediaLogEvent> MediaLog::CreateBooleanEvent( 128 MediaLogEvent::Type type, const char* property, bool value) { 129 scoped_ptr<MediaLogEvent> event(CreateEvent(type)); 130 event->params.SetBoolean(property, value); 131 return event.Pass(); 132 } 133 134 scoped_ptr<MediaLogEvent> MediaLog::CreateStringEvent( 135 MediaLogEvent::Type type, const char* property, const std::string& value) { 136 scoped_ptr<MediaLogEvent> event(CreateEvent(type)); 137 event->params.SetString(property, value); 138 return event.Pass(); 139 } 140 141 scoped_ptr<MediaLogEvent> MediaLog::CreateTimeEvent( 142 MediaLogEvent::Type type, const char* property, base::TimeDelta value) { 143 scoped_ptr<MediaLogEvent> event(CreateEvent(type)); 144 event->params.SetDouble(property, value.InSecondsF()); 145 return event.Pass(); 146 } 147 148 scoped_ptr<MediaLogEvent> MediaLog::CreateLoadEvent(const std::string& url) { 149 scoped_ptr<MediaLogEvent> event(CreateEvent(MediaLogEvent::LOAD)); 150 event->params.SetString("url", url); 151 return event.Pass(); 152 } 153 154 scoped_ptr<MediaLogEvent> MediaLog::CreateSeekEvent(float seconds) { 155 scoped_ptr<MediaLogEvent> event(CreateEvent(MediaLogEvent::SEEK)); 156 event->params.SetDouble("seek_target", seconds); 157 return event.Pass(); 158 } 159 160 scoped_ptr<MediaLogEvent> MediaLog::CreatePipelineStateChangedEvent( 161 Pipeline::State state) { 162 scoped_ptr<MediaLogEvent> event( 163 CreateEvent(MediaLogEvent::PIPELINE_STATE_CHANGED)); 164 event->params.SetString("pipeline_state", Pipeline::GetStateString(state)); 165 return event.Pass(); 166 } 167 168 scoped_ptr<MediaLogEvent> MediaLog::CreatePipelineErrorEvent( 169 PipelineStatus error) { 170 scoped_ptr<MediaLogEvent> event(CreateEvent(MediaLogEvent::PIPELINE_ERROR)); 171 event->params.SetString("pipeline_error", PipelineStatusToString(error)); 172 return event.Pass(); 173 } 174 175 scoped_ptr<MediaLogEvent> MediaLog::CreateVideoSizeSetEvent( 176 size_t width, size_t height) { 177 scoped_ptr<MediaLogEvent> event(CreateEvent(MediaLogEvent::VIDEO_SIZE_SET)); 178 event->params.SetInteger("width", width); 179 event->params.SetInteger("height", height); 180 return event.Pass(); 181 } 182 183 scoped_ptr<MediaLogEvent> MediaLog::CreateBufferedExtentsChangedEvent( 184 int64 start, int64 current, int64 end) { 185 scoped_ptr<MediaLogEvent> event( 186 CreateEvent(MediaLogEvent::BUFFERED_EXTENTS_CHANGED)); 187 // These values are headed to JS where there is no int64 so we use a double 188 // and accept loss of precision above 2^53 bytes (8 Exabytes). 189 event->params.SetDouble("buffer_start", start); 190 event->params.SetDouble("buffer_current", current); 191 event->params.SetDouble("buffer_end", end); 192 return event.Pass(); 193 } 194 195 scoped_ptr<MediaLogEvent> MediaLog::CreateMediaSourceErrorEvent( 196 const std::string& error) { 197 scoped_ptr<MediaLogEvent> event( 198 CreateEvent(MediaLogEvent::MEDIA_SOURCE_ERROR)); 199 event->params.SetString("error", error); 200 return event.Pass(); 201 } 202 203 void MediaLog::SetStringProperty( 204 const char* key, const std::string& value) { 205 scoped_ptr<MediaLogEvent> event(CreateEvent(MediaLogEvent::PROPERTY_CHANGE)); 206 event->params.SetString(key, value); 207 AddEvent(event.Pass()); 208 } 209 210 void MediaLog::SetIntegerProperty( 211 const char* key, int value) { 212 scoped_ptr<MediaLogEvent> event(CreateEvent(MediaLogEvent::PROPERTY_CHANGE)); 213 event->params.SetInteger(key, value); 214 AddEvent(event.Pass()); 215 } 216 217 void MediaLog::SetDoubleProperty( 218 const char* key, double value) { 219 scoped_ptr<MediaLogEvent> event(CreateEvent(MediaLogEvent::PROPERTY_CHANGE)); 220 event->params.SetDouble(key, value); 221 AddEvent(event.Pass()); 222 } 223 224 void MediaLog::SetBooleanProperty( 225 const char* key, bool value) { 226 scoped_ptr<MediaLogEvent> event(CreateEvent(MediaLogEvent::PROPERTY_CHANGE)); 227 event->params.SetBoolean(key, value); 228 AddEvent(event.Pass()); 229 } 230 231 } //namespace media 232
