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Issue 1409123005: Add methods for telling V8 how much memory audio/video is using. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Fix html viewer. Created 5 years, 1 month ago
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1 // Copyright 2013 The Chromium Authors. All rights reserved. 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 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "media/blink/buffered_data_source.h" 5 #include "media/blink/buffered_data_source.h"
6 6
7 #include "base/bind.h" 7 #include "base/bind.h"
8 #include "base/callback_helpers.h" 8 #include "base/callback_helpers.h"
9 #include "base/location.h" 9 #include "base/location.h"
10 #include "base/single_thread_task_runner.h" 10 #include "base/single_thread_task_runner.h"
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230 weak_factory_.GetWeakPtr(), 230 weak_factory_.GetWeakPtr(),
231 bitrate)); 231 bitrate));
232 } 232 }
233 233
234 void BufferedDataSource::OnBufferingHaveEnough() { 234 void BufferedDataSource::OnBufferingHaveEnough() {
235 DCHECK(render_task_runner_->BelongsToCurrentThread()); 235 DCHECK(render_task_runner_->BelongsToCurrentThread());
236 if (loader_ && preload_ == METADATA && !media_has_played_ && !IsStreaming()) 236 if (loader_ && preload_ == METADATA && !media_has_played_ && !IsStreaming())
237 loader_->CancelUponDeferral(); 237 loader_->CancelUponDeferral();
238 } 238 }
239 239
240 int64_t BufferedDataSource::GetMemoryUsage() const {
241 DCHECK(render_task_runner_->BelongsToCurrentThread());
242 return loader_ ? loader_->GetMemoryUsage() : 0;
243 }
244
240 void BufferedDataSource::Read( 245 void BufferedDataSource::Read(
241 int64 position, int size, uint8* data, 246 int64 position, int size, uint8* data,
242 const DataSource::ReadCB& read_cb) { 247 const DataSource::ReadCB& read_cb) {
243 DVLOG(1) << "Read: " << position << " offset, " << size << " bytes"; 248 DVLOG(1) << "Read: " << position << " offset, " << size << " bytes";
244 DCHECK(!read_cb.is_null()); 249 DCHECK(!read_cb.is_null());
245 250
246 { 251 {
247 base::AutoLock auto_lock(lock_); 252 base::AutoLock auto_lock(lock_);
248 DCHECK(!read_op_); 253 DCHECK(!read_op_);
249 254
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571 } 576 }
572 577
573 // If media is currently playing or the page indicated preload=auto or the 578 // If media is currently playing or the page indicated preload=auto or the
574 // the server does not support the byte range request or we do not want to go 579 // the server does not support the byte range request or we do not want to go
575 // too far ahead of the read head, use threshold strategy to enable/disable 580 // too far ahead of the read head, use threshold strategy to enable/disable
576 // deferring when the buffer is full/depleted. 581 // deferring when the buffer is full/depleted.
577 loader_->UpdateDeferStrategy(BufferedResourceLoader::kCapacityDefer); 582 loader_->UpdateDeferStrategy(BufferedResourceLoader::kCapacityDefer);
578 } 583 }
579 584
580 } // namespace media 585 } // namespace media
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