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::TEXT_ENDED: 54 return "TEXT_ENDED"; 55 case MediaLogEvent::AUDIO_RENDERER_DISABLED: 56 return "AUDIO_RENDERER_DISABLED"; 57 case MediaLogEvent::BUFFERED_EXTENTS_CHANGED: 58 return "BUFFERED_EXTENTS_CHANGED"; 59 case MediaLogEvent::MEDIA_SOURCE_ERROR: 60 return "MEDIA_SOURCE_ERROR"; 61 case MediaLogEvent::PROPERTY_CHANGE: 62 return "PROPERTY_CHANGE"; 63 } 64 NOTREACHED(); 65 return NULL; 66 } 67 68 const char* MediaLog::PipelineStatusToString(PipelineStatus status) { 69 switch (status) { 70 case PIPELINE_OK: 71 return "pipeline: ok"; 72 case PIPELINE_ERROR_URL_NOT_FOUND: 73 return "pipeline: url not found"; 74 case PIPELINE_ERROR_NETWORK: 75 return "pipeline: network error"; 76 case PIPELINE_ERROR_DECODE: 77 return "pipeline: decode error"; 78 case PIPELINE_ERROR_DECRYPT: 79 return "pipeline: decrypt error"; 80 case PIPELINE_ERROR_ABORT: 81 return "pipeline: abort"; 82 case PIPELINE_ERROR_INITIALIZATION_FAILED: 83 return "pipeline: initialization failed"; 84 case PIPELINE_ERROR_COULD_NOT_RENDER: 85 return "pipeline: could not render"; 86 case PIPELINE_ERROR_READ: 87 return "pipeline: read error"; 88 case PIPELINE_ERROR_OPERATION_PENDING: 89 return "pipeline: operation pending"; 90 case PIPELINE_ERROR_INVALID_STATE: 91 return "pipeline: invalid state"; 92 case DEMUXER_ERROR_COULD_NOT_OPEN: 93 return "demuxer: could not open"; 94 case DEMUXER_ERROR_COULD_NOT_PARSE: 95 return "dumuxer: could not parse"; 96 case DEMUXER_ERROR_NO_SUPPORTED_STREAMS: 97 return "demuxer: no supported streams"; 98 case DECODER_ERROR_NOT_SUPPORTED: 99 return "decoder: not supported"; 100 case PIPELINE_STATUS_MAX: 101 NOTREACHED(); 102 } 103 NOTREACHED(); 104 return NULL; 105 } 106 107 LogHelper::LogHelper(const LogCB& log_cb) : log_cb_(log_cb) {} 108 109 LogHelper::~LogHelper() { 110 if (log_cb_.is_null()) 111 return; 112 log_cb_.Run(stream_.str()); 113 } 114 115 MediaLog::MediaLog() : id_(g_media_log_count.GetNext()) {} 116 117 MediaLog::~MediaLog() {} 118 119 void MediaLog::AddEvent(scoped_ptr<MediaLogEvent> event) {} 120 121 scoped_ptr<MediaLogEvent> MediaLog::CreateEvent(MediaLogEvent::Type type) { 122 scoped_ptr<MediaLogEvent> event(new MediaLogEvent); 123 event->id = id_; 124 event->type = type; 125 event->time = base::TimeTicks::Now(); 126 return event.Pass(); 127 } 128 129 scoped_ptr<MediaLogEvent> MediaLog::CreateBooleanEvent( 130 MediaLogEvent::Type type, const char* property, bool value) { 131 scoped_ptr<MediaLogEvent> event(CreateEvent(type)); 132 event->params.SetBoolean(property, value); 133 return event.Pass(); 134 } 135 136 scoped_ptr<MediaLogEvent> MediaLog::CreateStringEvent( 137 MediaLogEvent::Type type, const char* property, const std::string& value) { 138 scoped_ptr<MediaLogEvent> event(CreateEvent(type)); 139 event->params.SetString(property, value); 140 return event.Pass(); 141 } 142 143 scoped_ptr<MediaLogEvent> MediaLog::CreateTimeEvent( 144 MediaLogEvent::Type type, const char* property, base::TimeDelta value) { 145 scoped_ptr<MediaLogEvent> event(CreateEvent(type)); 146 event->params.SetDouble(property, value.InSecondsF()); 147 return event.Pass(); 148 } 149 150 scoped_ptr<MediaLogEvent> MediaLog::CreateLoadEvent(const std::string& url) { 151 scoped_ptr<MediaLogEvent> event(CreateEvent(MediaLogEvent::LOAD)); 152 event->params.SetString("url", url); 153 return event.Pass(); 154 } 155 156 scoped_ptr<MediaLogEvent> MediaLog::CreateSeekEvent(float seconds) { 157 scoped_ptr<MediaLogEvent> event(CreateEvent(MediaLogEvent::SEEK)); 158 event->params.SetDouble("seek_target", seconds); 159 return event.Pass(); 160 } 161 162 scoped_ptr<MediaLogEvent> MediaLog::CreatePipelineStateChangedEvent( 163 Pipeline::State state) { 164 scoped_ptr<MediaLogEvent> event( 165 CreateEvent(MediaLogEvent::PIPELINE_STATE_CHANGED)); 166 event->params.SetString("pipeline_state", Pipeline::GetStateString(state)); 167 return event.Pass(); 168 } 169 170 scoped_ptr<MediaLogEvent> MediaLog::CreatePipelineErrorEvent( 171 PipelineStatus error) { 172 scoped_ptr<MediaLogEvent> event(CreateEvent(MediaLogEvent::PIPELINE_ERROR)); 173 event->params.SetString("pipeline_error", PipelineStatusToString(error)); 174 return event.Pass(); 175 } 176 177 scoped_ptr<MediaLogEvent> MediaLog::CreateVideoSizeSetEvent( 178 size_t width, size_t height) { 179 scoped_ptr<MediaLogEvent> event(CreateEvent(MediaLogEvent::VIDEO_SIZE_SET)); 180 event->params.SetInteger("width", width); 181 event->params.SetInteger("height", height); 182 return event.Pass(); 183 } 184 185 scoped_ptr<MediaLogEvent> MediaLog::CreateBufferedExtentsChangedEvent( 186 int64 start, int64 current, int64 end) { 187 scoped_ptr<MediaLogEvent> event( 188 CreateEvent(MediaLogEvent::BUFFERED_EXTENTS_CHANGED)); 189 // These values are headed to JS where there is no int64 so we use a double 190 // and accept loss of precision above 2^53 bytes (8 Exabytes). 191 event->params.SetDouble("buffer_start", start); 192 event->params.SetDouble("buffer_current", current); 193 event->params.SetDouble("buffer_end", end); 194 return event.Pass(); 195 } 196 197 scoped_ptr<MediaLogEvent> MediaLog::CreateMediaSourceErrorEvent( 198 const std::string& error) { 199 scoped_ptr<MediaLogEvent> event( 200 CreateEvent(MediaLogEvent::MEDIA_SOURCE_ERROR)); 201 event->params.SetString("error", error); 202 return event.Pass(); 203 } 204 205 void MediaLog::SetStringProperty( 206 const char* key, const std::string& value) { 207 scoped_ptr<MediaLogEvent> event(CreateEvent(MediaLogEvent::PROPERTY_CHANGE)); 208 event->params.SetString(key, value); 209 AddEvent(event.Pass()); 210 } 211 212 void MediaLog::SetIntegerProperty( 213 const char* key, int value) { 214 scoped_ptr<MediaLogEvent> event(CreateEvent(MediaLogEvent::PROPERTY_CHANGE)); 215 event->params.SetInteger(key, value); 216 AddEvent(event.Pass()); 217 } 218 219 void MediaLog::SetDoubleProperty( 220 const char* key, double value) { 221 scoped_ptr<MediaLogEvent> event(CreateEvent(MediaLogEvent::PROPERTY_CHANGE)); 222 event->params.SetDouble(key, value); 223 AddEvent(event.Pass()); 224 } 225 226 void MediaLog::SetBooleanProperty( 227 const char* key, bool value) { 228 scoped_ptr<MediaLogEvent> event(CreateEvent(MediaLogEvent::PROPERTY_CHANGE)); 229 event->params.SetBoolean(key, value); 230 AddEvent(event.Pass()); 231 } 232 233 } //namespace media 234
