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| 1 // Copyright 2013 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 "content/renderer/media/webmediaplayer_impl.h" | |
| 6 | |
| 7 #include <algorithm> | |
| 8 #include <limits> | |
| 9 #include <string> | |
| 10 #include <vector> | |
| 11 | |
| 12 #include "base/bind.h" | |
| 13 #include "base/callback.h" | |
| 14 #include "base/callback_helpers.h" | |
| 15 #include "base/debug/alias.h" | |
| 16 #include "base/debug/crash_logging.h" | |
| 17 #include "base/debug/trace_event.h" | |
| 18 #include "base/message_loop/message_loop_proxy.h" | |
| 19 #include "base/metrics/histogram.h" | |
| 20 #include "base/single_thread_task_runner.h" | |
| 21 #include "base/synchronization/waitable_event.h" | |
| 22 #include "cc/blink/web_layer_impl.h" | |
| 23 #include "cc/layers/video_layer.h" | |
| 24 #include "content/renderer/media/buffered_data_source.h" | |
| 25 #include "content/renderer/media/crypto/encrypted_media_player_support.h" | |
| 26 #include "content/renderer/media/texttrack_impl.h" | |
| 27 #include "content/renderer/media/webaudiosourceprovider_impl.h" | |
| 28 #include "content/renderer/media/webinbandtexttrack_impl.h" | |
| 29 #include "content/renderer/media/webmediaplayer_delegate.h" | |
| 30 #include "content/renderer/media/webmediaplayer_params.h" | |
| 31 #include "content/renderer/media/webmediaplayer_util.h" | |
| 32 #include "content/renderer/media/webmediasource_impl.h" | |
| 33 #include "gpu/GLES2/gl2extchromium.h" | |
| 34 #include "gpu/command_buffer/common/mailbox_holder.h" | |
| 35 #include "media/audio/null_audio_sink.h" | |
| 36 #include "media/base/audio_hardware_config.h" | |
| 37 #include "media/base/bind_to_current_loop.h" | |
| 38 #include "media/base/limits.h" | |
| 39 #include "media/base/media_log.h" | |
| 40 #include "media/base/pipeline.h" | |
| 41 #include "media/base/text_renderer.h" | |
| 42 #include "media/base/video_frame.h" | |
| 43 #include "media/filters/audio_renderer_impl.h" | |
| 44 #include "media/filters/chunk_demuxer.h" | |
| 45 #include "media/filters/ffmpeg_audio_decoder.h" | |
| 46 #include "media/filters/ffmpeg_demuxer.h" | |
| 47 #include "media/filters/ffmpeg_video_decoder.h" | |
| 48 #include "media/filters/gpu_video_accelerator_factories.h" | |
| 49 #include "media/filters/gpu_video_decoder.h" | |
| 50 #include "media/filters/opus_audio_decoder.h" | |
| 51 #include "media/filters/renderer_impl.h" | |
| 52 #include "media/filters/video_renderer_impl.h" | |
| 53 #include "media/filters/vpx_video_decoder.h" | |
| 54 #include "third_party/WebKit/public/platform/WebMediaSource.h" | |
| 55 #include "third_party/WebKit/public/platform/WebRect.h" | |
| 56 #include "third_party/WebKit/public/platform/WebSize.h" | |
| 57 #include "third_party/WebKit/public/platform/WebString.h" | |
| 58 #include "third_party/WebKit/public/platform/WebURL.h" | |
| 59 #include "third_party/WebKit/public/web/WebLocalFrame.h" | |
| 60 #include "third_party/WebKit/public/web/WebSecurityOrigin.h" | |
| 61 #include "third_party/WebKit/public/web/WebView.h" | |
| 62 | |
| 63 using blink::WebCanvas; | |
| 64 using blink::WebMediaPlayer; | |
| 65 using blink::WebRect; | |
| 66 using blink::WebSize; | |
| 67 using blink::WebString; | |
| 68 using media::PipelineStatus; | |
| 69 | |
| 70 namespace { | |
| 71 | |
| 72 // Limits the range of playback rate. | |
| 73 // | |
| 74 // TODO(kylep): Revisit these. | |
| 75 // | |
| 76 // Vista has substantially lower performance than XP or Windows7. If you speed | |
| 77 // up a video too much, it can't keep up, and rendering stops updating except on | |
| 78 // the time bar. For really high speeds, audio becomes a bottleneck and we just | |
| 79 // use up the data we have, which may not achieve the speed requested, but will | |
| 80 // not crash the tab. | |
| 81 // | |
| 82 // A very slow speed, ie 0.00000001x, causes the machine to lock up. (It seems | |
| 83 // like a busy loop). It gets unresponsive, although its not completely dead. | |
| 84 // | |
| 85 // Also our timers are not very accurate (especially for ogg), which becomes | |
| 86 // evident at low speeds and on Vista. Since other speeds are risky and outside | |
| 87 // the norms, we think 1/16x to 16x is a safe and useful range for now. | |
| 88 const double kMinRate = 0.0625; | |
| 89 const double kMaxRate = 16.0; | |
| 90 | |
| 91 class SyncPointClientImpl : public media::VideoFrame::SyncPointClient { | |
| 92 public: | |
| 93 explicit SyncPointClientImpl( | |
| 94 blink::WebGraphicsContext3D* web_graphics_context) | |
| 95 : web_graphics_context_(web_graphics_context) {} | |
| 96 virtual ~SyncPointClientImpl() {} | |
| 97 virtual uint32 InsertSyncPoint() OVERRIDE { | |
| 98 return web_graphics_context_->insertSyncPoint(); | |
| 99 } | |
| 100 virtual void WaitSyncPoint(uint32 sync_point) OVERRIDE { | |
| 101 web_graphics_context_->waitSyncPoint(sync_point); | |
| 102 } | |
| 103 | |
| 104 private: | |
| 105 blink::WebGraphicsContext3D* web_graphics_context_; | |
| 106 }; | |
| 107 | |
| 108 } // namespace | |
| 109 | |
| 110 namespace content { | |
| 111 | |
| 112 class BufferedDataSourceHostImpl; | |
| 113 | |
| 114 #define COMPILE_ASSERT_MATCHING_ENUM(name) \ | |
| 115 COMPILE_ASSERT(static_cast<int>(WebMediaPlayer::CORSMode ## name) == \ | |
| 116 static_cast<int>(BufferedResourceLoader::k ## name), \ | |
| 117 mismatching_enums) | |
| 118 COMPILE_ASSERT_MATCHING_ENUM(Unspecified); | |
| 119 COMPILE_ASSERT_MATCHING_ENUM(Anonymous); | |
| 120 COMPILE_ASSERT_MATCHING_ENUM(UseCredentials); | |
| 121 #undef COMPILE_ASSERT_MATCHING_ENUM | |
| 122 | |
| 123 #define BIND_TO_RENDER_LOOP(function) \ | |
| 124 (DCHECK(main_task_runner_->BelongsToCurrentThread()), \ | |
| 125 media::BindToCurrentLoop(base::Bind(function, AsWeakPtr()))) | |
| 126 | |
| 127 #define BIND_TO_RENDER_LOOP1(function, arg1) \ | |
| 128 (DCHECK(main_task_runner_->BelongsToCurrentThread()), \ | |
| 129 media::BindToCurrentLoop(base::Bind(function, AsWeakPtr(), arg1))) | |
| 130 | |
| 131 static void LogMediaSourceError(const scoped_refptr<media::MediaLog>& media_log, | |
| 132 const std::string& error) { | |
| 133 media_log->AddEvent(media_log->CreateMediaSourceErrorEvent(error)); | |
| 134 } | |
| 135 | |
| 136 WebMediaPlayerImpl::WebMediaPlayerImpl( | |
| 137 blink::WebLocalFrame* frame, | |
| 138 blink::WebMediaPlayerClient* client, | |
| 139 base::WeakPtr<WebMediaPlayerDelegate> delegate, | |
| 140 const WebMediaPlayerParams& params) | |
| 141 : frame_(frame), | |
| 142 network_state_(WebMediaPlayer::NetworkStateEmpty), | |
| 143 ready_state_(WebMediaPlayer::ReadyStateHaveNothing), | |
| 144 preload_(BufferedDataSource::AUTO), | |
| 145 main_task_runner_(base::MessageLoopProxy::current()), | |
| 146 media_task_runner_(params.media_task_runner()), | |
| 147 media_log_(params.media_log()), | |
| 148 pipeline_(media_task_runner_, media_log_.get()), | |
| 149 load_type_(LoadTypeURL), | |
| 150 opaque_(false), | |
| 151 paused_(true), | |
| 152 seeking_(false), | |
| 153 playback_rate_(0.0f), | |
| 154 pending_seek_(false), | |
| 155 pending_seek_seconds_(0.0f), | |
| 156 should_notify_time_changed_(false), | |
| 157 client_(client), | |
| 158 delegate_(delegate), | |
| 159 defer_load_cb_(params.defer_load_cb()), | |
| 160 gpu_factories_(params.gpu_factories()), | |
| 161 supports_save_(true), | |
| 162 chunk_demuxer_(NULL), | |
| 163 compositor_task_runner_(params.compositor_task_runner()), | |
| 164 compositor_(new VideoFrameCompositor( | |
| 165 BIND_TO_RENDER_LOOP(&WebMediaPlayerImpl::OnNaturalSizeChanged), | |
| 166 BIND_TO_RENDER_LOOP(&WebMediaPlayerImpl::OnOpacityChanged))), | |
| 167 text_track_index_(0), | |
| 168 encrypted_media_support_( | |
| 169 params.CreateEncryptedMediaPlayerSupport(client)), | |
| 170 audio_hardware_config_(params.audio_hardware_config()) { | |
| 171 DCHECK(encrypted_media_support_); | |
| 172 | |
| 173 // Threaded compositing isn't enabled universally yet. | |
| 174 if (!compositor_task_runner_) | |
| 175 compositor_task_runner_ = base::MessageLoopProxy::current(); | |
| 176 | |
| 177 media_log_->AddEvent( | |
| 178 media_log_->CreateEvent(media::MediaLogEvent::WEBMEDIAPLAYER_CREATED)); | |
| 179 | |
| 180 // |gpu_factories_| requires that its entry points be called on its | |
| 181 // |GetTaskRunner()|. Since |pipeline_| will own decoders created from the | |
| 182 // factories, require that their message loops are identical. | |
| 183 DCHECK(!gpu_factories_.get() || | |
| 184 (gpu_factories_->GetTaskRunner() == media_task_runner_.get())); | |
| 185 | |
| 186 // Use the null sink if no sink was provided. | |
| 187 audio_source_provider_ = new WebAudioSourceProviderImpl( | |
| 188 params.audio_renderer_sink().get() | |
| 189 ? params.audio_renderer_sink() | |
| 190 : new media::NullAudioSink(media_task_runner_)); | |
| 191 } | |
| 192 | |
| 193 WebMediaPlayerImpl::~WebMediaPlayerImpl() { | |
| 194 client_->setWebLayer(NULL); | |
| 195 | |
| 196 DCHECK(main_task_runner_->BelongsToCurrentThread()); | |
| 197 media_log_->AddEvent( | |
| 198 media_log_->CreateEvent(media::MediaLogEvent::WEBMEDIAPLAYER_DESTROYED)); | |
| 199 | |
| 200 if (delegate_.get()) | |
| 201 delegate_->PlayerGone(this); | |
| 202 | |
| 203 // Abort any pending IO so stopping the pipeline doesn't get blocked. | |
| 204 if (data_source_) | |
| 205 data_source_->Abort(); | |
| 206 if (chunk_demuxer_) { | |
| 207 chunk_demuxer_->Shutdown(); | |
| 208 chunk_demuxer_ = NULL; | |
| 209 } | |
| 210 | |
| 211 gpu_factories_ = NULL; | |
| 212 | |
| 213 // Make sure to kill the pipeline so there's no more media threads running. | |
| 214 // Note: stopping the pipeline might block for a long time. | |
| 215 base::WaitableEvent waiter(false, false); | |
| 216 pipeline_.Stop( | |
| 217 base::Bind(&base::WaitableEvent::Signal, base::Unretained(&waiter))); | |
| 218 waiter.Wait(); | |
| 219 | |
| 220 compositor_task_runner_->DeleteSoon(FROM_HERE, compositor_); | |
| 221 } | |
| 222 | |
| 223 void WebMediaPlayerImpl::load(LoadType load_type, const blink::WebURL& url, | |
| 224 CORSMode cors_mode) { | |
| 225 DVLOG(1) << __FUNCTION__ << "(" << load_type << ", " << url << ", " | |
| 226 << cors_mode << ")"; | |
| 227 if (!defer_load_cb_.is_null()) { | |
| 228 defer_load_cb_.Run(base::Bind( | |
| 229 &WebMediaPlayerImpl::DoLoad, AsWeakPtr(), load_type, url, cors_mode)); | |
| 230 return; | |
| 231 } | |
| 232 DoLoad(load_type, url, cors_mode); | |
| 233 } | |
| 234 | |
| 235 void WebMediaPlayerImpl::DoLoad(LoadType load_type, | |
| 236 const blink::WebURL& url, | |
| 237 CORSMode cors_mode) { | |
| 238 DCHECK(main_task_runner_->BelongsToCurrentThread()); | |
| 239 | |
| 240 GURL gurl(url); | |
| 241 ReportMediaSchemeUma(gurl); | |
| 242 | |
| 243 // Set subresource URL for crash reporting. | |
| 244 base::debug::SetCrashKeyValue("subresource_url", gurl.spec()); | |
| 245 | |
| 246 load_type_ = load_type; | |
| 247 | |
| 248 SetNetworkState(WebMediaPlayer::NetworkStateLoading); | |
| 249 SetReadyState(WebMediaPlayer::ReadyStateHaveNothing); | |
| 250 media_log_->AddEvent(media_log_->CreateLoadEvent(url.spec())); | |
| 251 | |
| 252 // Media source pipelines can start immediately. | |
| 253 if (load_type == LoadTypeMediaSource) { | |
| 254 supports_save_ = false; | |
| 255 StartPipeline(); | |
| 256 return; | |
| 257 } | |
| 258 | |
| 259 // Otherwise it's a regular request which requires resolving the URL first. | |
| 260 data_source_.reset(new BufferedDataSource( | |
| 261 url, | |
| 262 static_cast<BufferedResourceLoader::CORSMode>(cors_mode), | |
| 263 main_task_runner_, | |
| 264 frame_, | |
| 265 media_log_.get(), | |
| 266 &buffered_data_source_host_, | |
| 267 base::Bind(&WebMediaPlayerImpl::NotifyDownloading, AsWeakPtr()))); | |
| 268 data_source_->Initialize( | |
| 269 base::Bind(&WebMediaPlayerImpl::DataSourceInitialized, AsWeakPtr())); | |
| 270 data_source_->SetPreload(preload_); | |
| 271 } | |
| 272 | |
| 273 void WebMediaPlayerImpl::play() { | |
| 274 DVLOG(1) << __FUNCTION__; | |
| 275 DCHECK(main_task_runner_->BelongsToCurrentThread()); | |
| 276 | |
| 277 paused_ = false; | |
| 278 pipeline_.SetPlaybackRate(playback_rate_); | |
| 279 if (data_source_) | |
| 280 data_source_->MediaIsPlaying(); | |
| 281 | |
| 282 media_log_->AddEvent(media_log_->CreateEvent(media::MediaLogEvent::PLAY)); | |
| 283 | |
| 284 if (delegate_.get()) | |
| 285 delegate_->DidPlay(this); | |
| 286 } | |
| 287 | |
| 288 void WebMediaPlayerImpl::pause() { | |
| 289 DVLOG(1) << __FUNCTION__; | |
| 290 DCHECK(main_task_runner_->BelongsToCurrentThread()); | |
| 291 | |
| 292 paused_ = true; | |
| 293 pipeline_.SetPlaybackRate(0.0f); | |
| 294 if (data_source_) | |
| 295 data_source_->MediaIsPaused(); | |
| 296 paused_time_ = pipeline_.GetMediaTime(); | |
| 297 | |
| 298 media_log_->AddEvent(media_log_->CreateEvent(media::MediaLogEvent::PAUSE)); | |
| 299 | |
| 300 if (delegate_.get()) | |
| 301 delegate_->DidPause(this); | |
| 302 } | |
| 303 | |
| 304 bool WebMediaPlayerImpl::supportsSave() const { | |
| 305 DCHECK(main_task_runner_->BelongsToCurrentThread()); | |
| 306 return supports_save_; | |
| 307 } | |
| 308 | |
| 309 void WebMediaPlayerImpl::seek(double seconds) { | |
| 310 DVLOG(1) << __FUNCTION__ << "(" << seconds << ")"; | |
| 311 DCHECK(main_task_runner_->BelongsToCurrentThread()); | |
| 312 | |
| 313 if (ready_state_ > WebMediaPlayer::ReadyStateHaveMetadata) | |
| 314 SetReadyState(WebMediaPlayer::ReadyStateHaveMetadata); | |
| 315 | |
| 316 base::TimeDelta seek_time = ConvertSecondsToTimestamp(seconds); | |
| 317 | |
| 318 if (seeking_) { | |
| 319 pending_seek_ = true; | |
| 320 pending_seek_seconds_ = seconds; | |
| 321 if (chunk_demuxer_) | |
| 322 chunk_demuxer_->CancelPendingSeek(seek_time); | |
| 323 return; | |
| 324 } | |
| 325 | |
| 326 media_log_->AddEvent(media_log_->CreateSeekEvent(seconds)); | |
| 327 | |
| 328 // Update our paused time. | |
| 329 if (paused_) | |
| 330 paused_time_ = seek_time; | |
| 331 | |
| 332 seeking_ = true; | |
| 333 | |
| 334 if (chunk_demuxer_) | |
| 335 chunk_demuxer_->StartWaitingForSeek(seek_time); | |
| 336 | |
| 337 // Kick off the asynchronous seek! | |
| 338 pipeline_.Seek( | |
| 339 seek_time, | |
| 340 BIND_TO_RENDER_LOOP1(&WebMediaPlayerImpl::OnPipelineSeeked, true)); | |
| 341 } | |
| 342 | |
| 343 void WebMediaPlayerImpl::setRate(double rate) { | |
| 344 DVLOG(1) << __FUNCTION__ << "(" << rate << ")"; | |
| 345 DCHECK(main_task_runner_->BelongsToCurrentThread()); | |
| 346 | |
| 347 // TODO(kylep): Remove when support for negatives is added. Also, modify the | |
| 348 // following checks so rewind uses reasonable values also. | |
| 349 if (rate < 0.0) | |
| 350 return; | |
| 351 | |
| 352 // Limit rates to reasonable values by clamping. | |
| 353 if (rate != 0.0) { | |
| 354 if (rate < kMinRate) | |
| 355 rate = kMinRate; | |
| 356 else if (rate > kMaxRate) | |
| 357 rate = kMaxRate; | |
| 358 } | |
| 359 | |
| 360 playback_rate_ = rate; | |
| 361 if (!paused_) { | |
| 362 pipeline_.SetPlaybackRate(rate); | |
| 363 if (data_source_) | |
| 364 data_source_->MediaPlaybackRateChanged(rate); | |
| 365 } | |
| 366 } | |
| 367 | |
| 368 void WebMediaPlayerImpl::setVolume(double volume) { | |
| 369 DVLOG(1) << __FUNCTION__ << "(" << volume << ")"; | |
| 370 DCHECK(main_task_runner_->BelongsToCurrentThread()); | |
| 371 | |
| 372 pipeline_.SetVolume(volume); | |
| 373 } | |
| 374 | |
| 375 #define COMPILE_ASSERT_MATCHING_ENUM(webkit_name, chromium_name) \ | |
| 376 COMPILE_ASSERT(static_cast<int>(WebMediaPlayer::webkit_name) == \ | |
| 377 static_cast<int>(BufferedDataSource::chromium_name), \ | |
| 378 mismatching_enums) | |
| 379 COMPILE_ASSERT_MATCHING_ENUM(PreloadNone, NONE); | |
| 380 COMPILE_ASSERT_MATCHING_ENUM(PreloadMetaData, METADATA); | |
| 381 COMPILE_ASSERT_MATCHING_ENUM(PreloadAuto, AUTO); | |
| 382 #undef COMPILE_ASSERT_MATCHING_ENUM | |
| 383 | |
| 384 void WebMediaPlayerImpl::setPreload(WebMediaPlayer::Preload preload) { | |
| 385 DVLOG(1) << __FUNCTION__ << "(" << preload << ")"; | |
| 386 DCHECK(main_task_runner_->BelongsToCurrentThread()); | |
| 387 | |
| 388 preload_ = static_cast<BufferedDataSource::Preload>(preload); | |
| 389 if (data_source_) | |
| 390 data_source_->SetPreload(preload_); | |
| 391 } | |
| 392 | |
| 393 bool WebMediaPlayerImpl::hasVideo() const { | |
| 394 DCHECK(main_task_runner_->BelongsToCurrentThread()); | |
| 395 | |
| 396 return pipeline_metadata_.has_video; | |
| 397 } | |
| 398 | |
| 399 bool WebMediaPlayerImpl::hasAudio() const { | |
| 400 DCHECK(main_task_runner_->BelongsToCurrentThread()); | |
| 401 | |
| 402 return pipeline_metadata_.has_audio; | |
| 403 } | |
| 404 | |
| 405 blink::WebSize WebMediaPlayerImpl::naturalSize() const { | |
| 406 DCHECK(main_task_runner_->BelongsToCurrentThread()); | |
| 407 | |
| 408 return blink::WebSize(pipeline_metadata_.natural_size); | |
| 409 } | |
| 410 | |
| 411 bool WebMediaPlayerImpl::paused() const { | |
| 412 DCHECK(main_task_runner_->BelongsToCurrentThread()); | |
| 413 | |
| 414 return pipeline_.GetPlaybackRate() == 0.0f; | |
| 415 } | |
| 416 | |
| 417 bool WebMediaPlayerImpl::seeking() const { | |
| 418 DCHECK(main_task_runner_->BelongsToCurrentThread()); | |
| 419 | |
| 420 if (ready_state_ == WebMediaPlayer::ReadyStateHaveNothing) | |
| 421 return false; | |
| 422 | |
| 423 return seeking_; | |
| 424 } | |
| 425 | |
| 426 double WebMediaPlayerImpl::duration() const { | |
| 427 DCHECK(main_task_runner_->BelongsToCurrentThread()); | |
| 428 | |
| 429 if (ready_state_ == WebMediaPlayer::ReadyStateHaveNothing) | |
| 430 return std::numeric_limits<double>::quiet_NaN(); | |
| 431 | |
| 432 return GetPipelineDuration(); | |
| 433 } | |
| 434 | |
| 435 double WebMediaPlayerImpl::timelineOffset() const { | |
| 436 DCHECK(main_task_runner_->BelongsToCurrentThread()); | |
| 437 | |
| 438 if (pipeline_metadata_.timeline_offset.is_null()) | |
| 439 return std::numeric_limits<double>::quiet_NaN(); | |
| 440 | |
| 441 return pipeline_metadata_.timeline_offset.ToJsTime(); | |
| 442 } | |
| 443 | |
| 444 double WebMediaPlayerImpl::currentTime() const { | |
| 445 DCHECK(main_task_runner_->BelongsToCurrentThread()); | |
| 446 return (paused_ ? paused_time_ : pipeline_.GetMediaTime()).InSecondsF(); | |
| 447 } | |
| 448 | |
| 449 WebMediaPlayer::NetworkState WebMediaPlayerImpl::networkState() const { | |
| 450 DCHECK(main_task_runner_->BelongsToCurrentThread()); | |
| 451 return network_state_; | |
| 452 } | |
| 453 | |
| 454 WebMediaPlayer::ReadyState WebMediaPlayerImpl::readyState() const { | |
| 455 DCHECK(main_task_runner_->BelongsToCurrentThread()); | |
| 456 return ready_state_; | |
| 457 } | |
| 458 | |
| 459 blink::WebTimeRanges WebMediaPlayerImpl::buffered() const { | |
| 460 DCHECK(main_task_runner_->BelongsToCurrentThread()); | |
| 461 | |
| 462 media::Ranges<base::TimeDelta> buffered_time_ranges = | |
| 463 pipeline_.GetBufferedTimeRanges(); | |
| 464 | |
| 465 const base::TimeDelta duration = pipeline_.GetMediaDuration(); | |
| 466 if (duration != media::kInfiniteDuration()) { | |
| 467 buffered_data_source_host_.AddBufferedTimeRanges( | |
| 468 &buffered_time_ranges, duration); | |
| 469 } | |
| 470 return ConvertToWebTimeRanges(buffered_time_ranges); | |
| 471 } | |
| 472 | |
| 473 double WebMediaPlayerImpl::maxTimeSeekable() const { | |
| 474 DCHECK(main_task_runner_->BelongsToCurrentThread()); | |
| 475 | |
| 476 // If we haven't even gotten to ReadyStateHaveMetadata yet then just | |
| 477 // return 0 so that the seekable range is empty. | |
| 478 if (ready_state_ < WebMediaPlayer::ReadyStateHaveMetadata) | |
| 479 return 0.0; | |
| 480 | |
| 481 // We don't support seeking in streaming media. | |
| 482 if (data_source_ && data_source_->IsStreaming()) | |
| 483 return 0.0; | |
| 484 return duration(); | |
| 485 } | |
| 486 | |
| 487 bool WebMediaPlayerImpl::didLoadingProgress() { | |
| 488 DCHECK(main_task_runner_->BelongsToCurrentThread()); | |
| 489 bool pipeline_progress = pipeline_.DidLoadingProgress(); | |
| 490 bool data_progress = buffered_data_source_host_.DidLoadingProgress(); | |
| 491 return pipeline_progress || data_progress; | |
| 492 } | |
| 493 | |
| 494 void WebMediaPlayerImpl::paint(blink::WebCanvas* canvas, | |
| 495 const blink::WebRect& rect, | |
| 496 unsigned char alpha) { | |
| 497 paint(canvas, rect, alpha, SkXfermode::kSrcOver_Mode); | |
| 498 } | |
| 499 | |
| 500 void WebMediaPlayerImpl::paint(blink::WebCanvas* canvas, | |
| 501 const blink::WebRect& rect, | |
| 502 unsigned char alpha, | |
| 503 SkXfermode::Mode mode) { | |
| 504 DCHECK(main_task_runner_->BelongsToCurrentThread()); | |
| 505 TRACE_EVENT0("media", "WebMediaPlayerImpl:paint"); | |
| 506 | |
| 507 // TODO(scherkus): Clarify paint() API contract to better understand when and | |
| 508 // why it's being called. For example, today paint() is called when: | |
| 509 // - We haven't reached HAVE_CURRENT_DATA and need to paint black | |
| 510 // - We're painting to a canvas | |
| 511 // See http://crbug.com/341225 http://crbug.com/342621 for details. | |
| 512 scoped_refptr<media::VideoFrame> video_frame = | |
| 513 GetCurrentFrameFromCompositor(); | |
| 514 | |
| 515 gfx::Rect gfx_rect(rect); | |
| 516 | |
| 517 skcanvas_video_renderer_.Paint(video_frame.get(), | |
| 518 canvas, | |
| 519 gfx_rect, | |
| 520 alpha, | |
| 521 mode, | |
| 522 pipeline_metadata_.video_rotation); | |
| 523 } | |
| 524 | |
| 525 bool WebMediaPlayerImpl::hasSingleSecurityOrigin() const { | |
| 526 if (data_source_) | |
| 527 return data_source_->HasSingleOrigin(); | |
| 528 return true; | |
| 529 } | |
| 530 | |
| 531 bool WebMediaPlayerImpl::didPassCORSAccessCheck() const { | |
| 532 if (data_source_) | |
| 533 return data_source_->DidPassCORSAccessCheck(); | |
| 534 return false; | |
| 535 } | |
| 536 | |
| 537 double WebMediaPlayerImpl::mediaTimeForTimeValue(double timeValue) const { | |
| 538 return ConvertSecondsToTimestamp(timeValue).InSecondsF(); | |
| 539 } | |
| 540 | |
| 541 unsigned WebMediaPlayerImpl::decodedFrameCount() const { | |
| 542 DCHECK(main_task_runner_->BelongsToCurrentThread()); | |
| 543 | |
| 544 media::PipelineStatistics stats = pipeline_.GetStatistics(); | |
| 545 return stats.video_frames_decoded; | |
| 546 } | |
| 547 | |
| 548 unsigned WebMediaPlayerImpl::droppedFrameCount() const { | |
| 549 DCHECK(main_task_runner_->BelongsToCurrentThread()); | |
| 550 | |
| 551 media::PipelineStatistics stats = pipeline_.GetStatistics(); | |
| 552 return stats.video_frames_dropped; | |
| 553 } | |
| 554 | |
| 555 unsigned WebMediaPlayerImpl::audioDecodedByteCount() const { | |
| 556 DCHECK(main_task_runner_->BelongsToCurrentThread()); | |
| 557 | |
| 558 media::PipelineStatistics stats = pipeline_.GetStatistics(); | |
| 559 return stats.audio_bytes_decoded; | |
| 560 } | |
| 561 | |
| 562 unsigned WebMediaPlayerImpl::videoDecodedByteCount() const { | |
| 563 DCHECK(main_task_runner_->BelongsToCurrentThread()); | |
| 564 | |
| 565 media::PipelineStatistics stats = pipeline_.GetStatistics(); | |
| 566 return stats.video_bytes_decoded; | |
| 567 } | |
| 568 | |
| 569 bool WebMediaPlayerImpl::copyVideoTextureToPlatformTexture( | |
| 570 blink::WebGraphicsContext3D* web_graphics_context, | |
| 571 unsigned int texture, | |
| 572 unsigned int level, | |
| 573 unsigned int internal_format, | |
| 574 unsigned int type, | |
| 575 bool premultiply_alpha, | |
| 576 bool flip_y) { | |
| 577 TRACE_EVENT0("media", "WebMediaPlayerImpl:copyVideoTextureToPlatformTexture"); | |
| 578 | |
| 579 scoped_refptr<media::VideoFrame> video_frame = | |
| 580 GetCurrentFrameFromCompositor(); | |
| 581 | |
| 582 if (!video_frame.get()) | |
| 583 return false; | |
| 584 if (video_frame->format() != media::VideoFrame::NATIVE_TEXTURE) | |
| 585 return false; | |
| 586 | |
| 587 const gpu::MailboxHolder* mailbox_holder = video_frame->mailbox_holder(); | |
| 588 if (mailbox_holder->texture_target != GL_TEXTURE_2D) | |
| 589 return false; | |
| 590 | |
| 591 web_graphics_context->waitSyncPoint(mailbox_holder->sync_point); | |
| 592 uint32 source_texture = web_graphics_context->createAndConsumeTextureCHROMIUM( | |
| 593 GL_TEXTURE_2D, mailbox_holder->mailbox.name); | |
| 594 | |
| 595 // The video is stored in a unmultiplied format, so premultiply | |
| 596 // if necessary. | |
| 597 web_graphics_context->pixelStorei(GL_UNPACK_PREMULTIPLY_ALPHA_CHROMIUM, | |
| 598 premultiply_alpha); | |
| 599 // Application itself needs to take care of setting the right flip_y | |
| 600 // value down to get the expected result. | |
| 601 // flip_y==true means to reverse the video orientation while | |
| 602 // flip_y==false means to keep the intrinsic orientation. | |
| 603 web_graphics_context->pixelStorei(GL_UNPACK_FLIP_Y_CHROMIUM, flip_y); | |
| 604 web_graphics_context->copyTextureCHROMIUM(GL_TEXTURE_2D, | |
| 605 source_texture, | |
| 606 texture, | |
| 607 level, | |
| 608 internal_format, | |
| 609 type); | |
| 610 web_graphics_context->pixelStorei(GL_UNPACK_FLIP_Y_CHROMIUM, false); | |
| 611 web_graphics_context->pixelStorei(GL_UNPACK_PREMULTIPLY_ALPHA_CHROMIUM, | |
| 612 false); | |
| 613 | |
| 614 web_graphics_context->deleteTexture(source_texture); | |
| 615 web_graphics_context->flush(); | |
| 616 | |
| 617 SyncPointClientImpl client(web_graphics_context); | |
| 618 video_frame->UpdateReleaseSyncPoint(&client); | |
| 619 return true; | |
| 620 } | |
| 621 | |
| 622 WebMediaPlayer::MediaKeyException | |
| 623 WebMediaPlayerImpl::generateKeyRequest(const WebString& key_system, | |
| 624 const unsigned char* init_data, | |
| 625 unsigned init_data_length) { | |
| 626 DCHECK(main_task_runner_->BelongsToCurrentThread()); | |
| 627 | |
| 628 return encrypted_media_support_->GenerateKeyRequest( | |
| 629 frame_, key_system, init_data, init_data_length); | |
| 630 } | |
| 631 | |
| 632 WebMediaPlayer::MediaKeyException WebMediaPlayerImpl::addKey( | |
| 633 const WebString& key_system, | |
| 634 const unsigned char* key, | |
| 635 unsigned key_length, | |
| 636 const unsigned char* init_data, | |
| 637 unsigned init_data_length, | |
| 638 const WebString& session_id) { | |
| 639 DCHECK(main_task_runner_->BelongsToCurrentThread()); | |
| 640 | |
| 641 return encrypted_media_support_->AddKey( | |
| 642 key_system, key, key_length, init_data, init_data_length, session_id); | |
| 643 } | |
| 644 | |
| 645 WebMediaPlayer::MediaKeyException WebMediaPlayerImpl::cancelKeyRequest( | |
| 646 const WebString& key_system, | |
| 647 const WebString& session_id) { | |
| 648 DCHECK(main_task_runner_->BelongsToCurrentThread()); | |
| 649 | |
| 650 return encrypted_media_support_->CancelKeyRequest(key_system, session_id); | |
| 651 } | |
| 652 | |
| 653 void WebMediaPlayerImpl::setContentDecryptionModule( | |
| 654 blink::WebContentDecryptionModule* cdm) { | |
| 655 DCHECK(main_task_runner_->BelongsToCurrentThread()); | |
| 656 | |
| 657 encrypted_media_support_->SetContentDecryptionModule(cdm); | |
| 658 } | |
| 659 | |
| 660 void WebMediaPlayerImpl::setContentDecryptionModule( | |
| 661 blink::WebContentDecryptionModule* cdm, | |
| 662 blink::WebContentDecryptionModuleResult result) { | |
| 663 DCHECK(main_task_runner_->BelongsToCurrentThread()); | |
| 664 | |
| 665 encrypted_media_support_->SetContentDecryptionModule(cdm, result); | |
| 666 } | |
| 667 | |
| 668 void WebMediaPlayerImpl::setContentDecryptionModuleSync( | |
| 669 blink::WebContentDecryptionModule* cdm) { | |
| 670 DCHECK(main_task_runner_->BelongsToCurrentThread()); | |
| 671 | |
| 672 encrypted_media_support_->SetContentDecryptionModuleSync(cdm); | |
| 673 } | |
| 674 | |
| 675 void WebMediaPlayerImpl::OnPipelineSeeked(bool time_changed, | |
| 676 PipelineStatus status) { | |
| 677 DVLOG(1) << __FUNCTION__ << "(" << time_changed << ", " << status << ")"; | |
| 678 DCHECK(main_task_runner_->BelongsToCurrentThread()); | |
| 679 seeking_ = false; | |
| 680 if (pending_seek_) { | |
| 681 pending_seek_ = false; | |
| 682 seek(pending_seek_seconds_); | |
| 683 return; | |
| 684 } | |
| 685 | |
| 686 if (status != media::PIPELINE_OK) { | |
| 687 OnPipelineError(status); | |
| 688 return; | |
| 689 } | |
| 690 | |
| 691 // Update our paused time. | |
| 692 if (paused_) | |
| 693 paused_time_ = pipeline_.GetMediaTime(); | |
| 694 | |
| 695 should_notify_time_changed_ = time_changed; | |
| 696 } | |
| 697 | |
| 698 void WebMediaPlayerImpl::OnPipelineEnded() { | |
| 699 DVLOG(1) << __FUNCTION__; | |
| 700 DCHECK(main_task_runner_->BelongsToCurrentThread()); | |
| 701 client_->timeChanged(); | |
| 702 } | |
| 703 | |
| 704 void WebMediaPlayerImpl::OnPipelineError(PipelineStatus error) { | |
| 705 DCHECK(main_task_runner_->BelongsToCurrentThread()); | |
| 706 DCHECK_NE(error, media::PIPELINE_OK); | |
| 707 | |
| 708 if (ready_state_ == WebMediaPlayer::ReadyStateHaveNothing) { | |
| 709 // Any error that occurs before reaching ReadyStateHaveMetadata should | |
| 710 // be considered a format error. | |
| 711 SetNetworkState(WebMediaPlayer::NetworkStateFormatError); | |
| 712 return; | |
| 713 } | |
| 714 | |
| 715 SetNetworkState(PipelineErrorToNetworkState(error)); | |
| 716 | |
| 717 if (error == media::PIPELINE_ERROR_DECRYPT) | |
| 718 encrypted_media_support_->OnPipelineDecryptError(); | |
| 719 } | |
| 720 | |
| 721 void WebMediaPlayerImpl::OnPipelineMetadata( | |
| 722 media::PipelineMetadata metadata) { | |
| 723 DVLOG(1) << __FUNCTION__; | |
| 724 | |
| 725 pipeline_metadata_ = metadata; | |
| 726 | |
| 727 UMA_HISTOGRAM_ENUMERATION("Media.VideoRotation", | |
| 728 metadata.video_rotation, | |
| 729 media::VIDEO_ROTATION_MAX + 1); | |
| 730 SetReadyState(WebMediaPlayer::ReadyStateHaveMetadata); | |
| 731 | |
| 732 if (hasVideo()) { | |
| 733 DCHECK(!video_weblayer_); | |
| 734 scoped_refptr<cc::VideoLayer> layer = | |
| 735 cc::VideoLayer::Create(compositor_, pipeline_metadata_.video_rotation); | |
| 736 | |
| 737 if (pipeline_metadata_.video_rotation == media::VIDEO_ROTATION_90 || | |
| 738 pipeline_metadata_.video_rotation == media::VIDEO_ROTATION_270) { | |
| 739 gfx::Size size = pipeline_metadata_.natural_size; | |
| 740 pipeline_metadata_.natural_size = gfx::Size(size.height(), size.width()); | |
| 741 } | |
| 742 | |
| 743 video_weblayer_.reset(new cc_blink::WebLayerImpl(layer)); | |
| 744 video_weblayer_->setOpaque(opaque_); | |
| 745 client_->setWebLayer(video_weblayer_.get()); | |
| 746 } | |
| 747 } | |
| 748 | |
| 749 void WebMediaPlayerImpl::OnPipelineBufferingStateChanged( | |
| 750 media::BufferingState buffering_state) { | |
| 751 DVLOG(1) << __FUNCTION__ << "(" << buffering_state << ")"; | |
| 752 | |
| 753 // Ignore buffering state changes until we've completed all outstanding seeks. | |
| 754 if (seeking_ || pending_seek_) | |
| 755 return; | |
| 756 | |
| 757 // TODO(scherkus): Handle other buffering states when Pipeline starts using | |
| 758 // them and translate them ready state changes http://crbug.com/144683 | |
| 759 DCHECK_EQ(buffering_state, media::BUFFERING_HAVE_ENOUGH); | |
| 760 SetReadyState(WebMediaPlayer::ReadyStateHaveEnoughData); | |
| 761 | |
| 762 // Blink expects a timeChanged() in response to a seek(). | |
| 763 if (should_notify_time_changed_) | |
| 764 client_->timeChanged(); | |
| 765 } | |
| 766 | |
| 767 void WebMediaPlayerImpl::OnDemuxerOpened() { | |
| 768 DCHECK(main_task_runner_->BelongsToCurrentThread()); | |
| 769 client_->mediaSourceOpened(new WebMediaSourceImpl( | |
| 770 chunk_demuxer_, base::Bind(&LogMediaSourceError, media_log_))); | |
| 771 } | |
| 772 | |
| 773 void WebMediaPlayerImpl::OnAddTextTrack( | |
| 774 const media::TextTrackConfig& config, | |
| 775 const media::AddTextTrackDoneCB& done_cb) { | |
| 776 DCHECK(main_task_runner_->BelongsToCurrentThread()); | |
| 777 | |
| 778 const WebInbandTextTrackImpl::Kind web_kind = | |
| 779 static_cast<WebInbandTextTrackImpl::Kind>(config.kind()); | |
| 780 const blink::WebString web_label = | |
| 781 blink::WebString::fromUTF8(config.label()); | |
| 782 const blink::WebString web_language = | |
| 783 blink::WebString::fromUTF8(config.language()); | |
| 784 const blink::WebString web_id = | |
| 785 blink::WebString::fromUTF8(config.id()); | |
| 786 | |
| 787 scoped_ptr<WebInbandTextTrackImpl> web_inband_text_track( | |
| 788 new WebInbandTextTrackImpl(web_kind, web_label, web_language, web_id, | |
| 789 text_track_index_++)); | |
| 790 | |
| 791 scoped_ptr<media::TextTrack> text_track(new TextTrackImpl( | |
| 792 main_task_runner_, client_, web_inband_text_track.Pass())); | |
| 793 | |
| 794 done_cb.Run(text_track.Pass()); | |
| 795 } | |
| 796 | |
| 797 void WebMediaPlayerImpl::DataSourceInitialized(bool success) { | |
| 798 DCHECK(main_task_runner_->BelongsToCurrentThread()); | |
| 799 | |
| 800 if (!success) { | |
| 801 SetNetworkState(WebMediaPlayer::NetworkStateFormatError); | |
| 802 return; | |
| 803 } | |
| 804 | |
| 805 StartPipeline(); | |
| 806 } | |
| 807 | |
| 808 void WebMediaPlayerImpl::NotifyDownloading(bool is_downloading) { | |
| 809 if (!is_downloading && network_state_ == WebMediaPlayer::NetworkStateLoading) | |
| 810 SetNetworkState(WebMediaPlayer::NetworkStateIdle); | |
| 811 else if (is_downloading && network_state_ == WebMediaPlayer::NetworkStateIdle) | |
| 812 SetNetworkState(WebMediaPlayer::NetworkStateLoading); | |
| 813 media_log_->AddEvent( | |
| 814 media_log_->CreateBooleanEvent( | |
| 815 media::MediaLogEvent::NETWORK_ACTIVITY_SET, | |
| 816 "is_downloading_data", is_downloading)); | |
| 817 } | |
| 818 | |
| 819 // TODO(xhwang): Move this to a factory class so that we can create different | |
| 820 // renderers. | |
| 821 scoped_ptr<media::Renderer> WebMediaPlayerImpl::CreateRenderer() { | |
| 822 media::SetDecryptorReadyCB set_decryptor_ready_cb = | |
| 823 encrypted_media_support_->CreateSetDecryptorReadyCB(); | |
| 824 | |
| 825 // Create our audio decoders and renderer. | |
| 826 ScopedVector<media::AudioDecoder> audio_decoders; | |
| 827 | |
| 828 media::LogCB log_cb = base::Bind(&LogMediaSourceError, media_log_); | |
| 829 audio_decoders.push_back(new media::FFmpegAudioDecoder(media_task_runner_, | |
| 830 log_cb)); | |
| 831 audio_decoders.push_back(new media::OpusAudioDecoder(media_task_runner_)); | |
| 832 | |
| 833 scoped_ptr<media::AudioRenderer> audio_renderer(new media::AudioRendererImpl( | |
| 834 media_task_runner_, | |
| 835 audio_source_provider_.get(), | |
| 836 audio_decoders.Pass(), | |
| 837 set_decryptor_ready_cb, | |
| 838 audio_hardware_config_)); | |
| 839 | |
| 840 // Create our video decoders and renderer. | |
| 841 ScopedVector<media::VideoDecoder> video_decoders; | |
| 842 | |
| 843 if (gpu_factories_.get()) { | |
| 844 video_decoders.push_back( | |
| 845 new media::GpuVideoDecoder(gpu_factories_, media_log_)); | |
| 846 } | |
| 847 | |
| 848 #if !defined(MEDIA_DISABLE_LIBVPX) | |
| 849 video_decoders.push_back(new media::VpxVideoDecoder(media_task_runner_)); | |
| 850 #endif // !defined(MEDIA_DISABLE_LIBVPX) | |
| 851 | |
| 852 video_decoders.push_back(new media::FFmpegVideoDecoder(media_task_runner_)); | |
| 853 | |
| 854 scoped_ptr<media::VideoRenderer> video_renderer( | |
| 855 new media::VideoRendererImpl( | |
| 856 media_task_runner_, | |
| 857 video_decoders.Pass(), | |
| 858 set_decryptor_ready_cb, | |
| 859 base::Bind(&WebMediaPlayerImpl::FrameReady, base::Unretained(this)), | |
| 860 true)); | |
| 861 | |
| 862 // Create renderer. | |
| 863 return scoped_ptr<media::Renderer>(new media::RendererImpl( | |
| 864 media_task_runner_, | |
| 865 demuxer_.get(), | |
| 866 audio_renderer.Pass(), | |
| 867 video_renderer.Pass())); | |
| 868 } | |
| 869 | |
| 870 void WebMediaPlayerImpl::StartPipeline() { | |
| 871 DCHECK(main_task_runner_->BelongsToCurrentThread()); | |
| 872 | |
| 873 // Keep track if this is a MSE or non-MSE playback. | |
| 874 UMA_HISTOGRAM_BOOLEAN("Media.MSE.Playback", | |
| 875 (load_type_ == LoadTypeMediaSource)); | |
| 876 | |
| 877 media::LogCB mse_log_cb; | |
| 878 media::Demuxer::NeedKeyCB need_key_cb = | |
| 879 encrypted_media_support_->CreateNeedKeyCB(); | |
| 880 | |
| 881 // Figure out which demuxer to use. | |
| 882 if (load_type_ != LoadTypeMediaSource) { | |
| 883 DCHECK(!chunk_demuxer_); | |
| 884 DCHECK(data_source_); | |
| 885 | |
| 886 demuxer_.reset(new media::FFmpegDemuxer( | |
| 887 media_task_runner_, data_source_.get(), | |
| 888 need_key_cb, | |
| 889 media_log_)); | |
| 890 } else { | |
| 891 DCHECK(!chunk_demuxer_); | |
| 892 DCHECK(!data_source_); | |
| 893 | |
| 894 mse_log_cb = base::Bind(&LogMediaSourceError, media_log_); | |
| 895 | |
| 896 chunk_demuxer_ = new media::ChunkDemuxer( | |
| 897 BIND_TO_RENDER_LOOP(&WebMediaPlayerImpl::OnDemuxerOpened), | |
| 898 need_key_cb, | |
| 899 mse_log_cb, | |
| 900 true); | |
| 901 demuxer_.reset(chunk_demuxer_); | |
| 902 } | |
| 903 | |
| 904 // ... and we're ready to go! | |
| 905 seeking_ = true; | |
| 906 pipeline_.Start( | |
| 907 demuxer_.get(), | |
| 908 CreateRenderer(), | |
| 909 BIND_TO_RENDER_LOOP(&WebMediaPlayerImpl::OnPipelineEnded), | |
| 910 BIND_TO_RENDER_LOOP(&WebMediaPlayerImpl::OnPipelineError), | |
| 911 BIND_TO_RENDER_LOOP1(&WebMediaPlayerImpl::OnPipelineSeeked, false), | |
| 912 BIND_TO_RENDER_LOOP(&WebMediaPlayerImpl::OnPipelineMetadata), | |
| 913 BIND_TO_RENDER_LOOP(&WebMediaPlayerImpl::OnPipelineBufferingStateChanged), | |
| 914 BIND_TO_RENDER_LOOP(&WebMediaPlayerImpl::OnDurationChanged), | |
| 915 BIND_TO_RENDER_LOOP(&WebMediaPlayerImpl::OnAddTextTrack)); | |
| 916 } | |
| 917 | |
| 918 void WebMediaPlayerImpl::SetNetworkState(WebMediaPlayer::NetworkState state) { | |
| 919 DVLOG(1) << __FUNCTION__ << "(" << state << ")"; | |
| 920 DCHECK(main_task_runner_->BelongsToCurrentThread()); | |
| 921 network_state_ = state; | |
| 922 // Always notify to ensure client has the latest value. | |
| 923 client_->networkStateChanged(); | |
| 924 } | |
| 925 | |
| 926 void WebMediaPlayerImpl::SetReadyState(WebMediaPlayer::ReadyState state) { | |
| 927 DVLOG(1) << __FUNCTION__ << "(" << state << ")"; | |
| 928 DCHECK(main_task_runner_->BelongsToCurrentThread()); | |
| 929 | |
| 930 if (state == WebMediaPlayer::ReadyStateHaveEnoughData && data_source_ && | |
| 931 data_source_->assume_fully_buffered() && | |
| 932 network_state_ == WebMediaPlayer::NetworkStateLoading) | |
| 933 SetNetworkState(WebMediaPlayer::NetworkStateLoaded); | |
| 934 | |
| 935 ready_state_ = state; | |
| 936 // Always notify to ensure client has the latest value. | |
| 937 client_->readyStateChanged(); | |
| 938 } | |
| 939 | |
| 940 blink::WebAudioSourceProvider* WebMediaPlayerImpl::audioSourceProvider() { | |
| 941 return audio_source_provider_.get(); | |
| 942 } | |
| 943 | |
| 944 double WebMediaPlayerImpl::GetPipelineDuration() const { | |
| 945 base::TimeDelta duration = pipeline_.GetMediaDuration(); | |
| 946 | |
| 947 // Return positive infinity if the resource is unbounded. | |
| 948 // http://www.whatwg.org/specs/web-apps/current-work/multipage/video.html#dom-
media-duration | |
| 949 if (duration == media::kInfiniteDuration()) | |
| 950 return std::numeric_limits<double>::infinity(); | |
| 951 | |
| 952 return duration.InSecondsF(); | |
| 953 } | |
| 954 | |
| 955 void WebMediaPlayerImpl::OnDurationChanged() { | |
| 956 if (ready_state_ == WebMediaPlayer::ReadyStateHaveNothing) | |
| 957 return; | |
| 958 | |
| 959 client_->durationChanged(); | |
| 960 } | |
| 961 | |
| 962 void WebMediaPlayerImpl::OnNaturalSizeChanged(gfx::Size size) { | |
| 963 DCHECK(main_task_runner_->BelongsToCurrentThread()); | |
| 964 DCHECK_NE(ready_state_, WebMediaPlayer::ReadyStateHaveNothing); | |
| 965 TRACE_EVENT0("media", "WebMediaPlayerImpl::OnNaturalSizeChanged"); | |
| 966 | |
| 967 media_log_->AddEvent( | |
| 968 media_log_->CreateVideoSizeSetEvent(size.width(), size.height())); | |
| 969 pipeline_metadata_.natural_size = size; | |
| 970 | |
| 971 client_->sizeChanged(); | |
| 972 } | |
| 973 | |
| 974 void WebMediaPlayerImpl::OnOpacityChanged(bool opaque) { | |
| 975 DCHECK(main_task_runner_->BelongsToCurrentThread()); | |
| 976 DCHECK_NE(ready_state_, WebMediaPlayer::ReadyStateHaveNothing); | |
| 977 | |
| 978 opaque_ = opaque; | |
| 979 if (video_weblayer_) | |
| 980 video_weblayer_->setOpaque(opaque_); | |
| 981 } | |
| 982 | |
| 983 void WebMediaPlayerImpl::FrameReady( | |
| 984 const scoped_refptr<media::VideoFrame>& frame) { | |
| 985 compositor_task_runner_->PostTask( | |
| 986 FROM_HERE, | |
| 987 base::Bind(&VideoFrameCompositor::UpdateCurrentFrame, | |
| 988 base::Unretained(compositor_), | |
| 989 frame)); | |
| 990 } | |
| 991 | |
| 992 static void GetCurrentFrameAndSignal( | |
| 993 VideoFrameCompositor* compositor, | |
| 994 scoped_refptr<media::VideoFrame>* video_frame_out, | |
| 995 base::WaitableEvent* event) { | |
| 996 TRACE_EVENT0("media", "GetCurrentFrameAndSignal"); | |
| 997 *video_frame_out = compositor->GetCurrentFrame(); | |
| 998 event->Signal(); | |
| 999 } | |
| 1000 | |
| 1001 scoped_refptr<media::VideoFrame> | |
| 1002 WebMediaPlayerImpl::GetCurrentFrameFromCompositor() { | |
| 1003 TRACE_EVENT0("media", "WebMediaPlayerImpl::GetCurrentFrameFromCompositor"); | |
| 1004 if (compositor_task_runner_->BelongsToCurrentThread()) | |
| 1005 return compositor_->GetCurrentFrame(); | |
| 1006 | |
| 1007 // Use a posted task and waitable event instead of a lock otherwise | |
| 1008 // WebGL/Canvas can see different content than what the compositor is seeing. | |
| 1009 scoped_refptr<media::VideoFrame> video_frame; | |
| 1010 base::WaitableEvent event(false, false); | |
| 1011 compositor_task_runner_->PostTask(FROM_HERE, | |
| 1012 base::Bind(&GetCurrentFrameAndSignal, | |
| 1013 base::Unretained(compositor_), | |
| 1014 &video_frame, | |
| 1015 &event)); | |
| 1016 event.Wait(); | |
| 1017 return video_frame; | |
| 1018 } | |
| 1019 | |
| 1020 } // namespace content | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 495353003:
Move WebMediaPlayerImpl and its dependencies to media/blink. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master