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Side by Side Diff: content/renderer/media/audio_renderer_impl.cc

Issue 8171015: Rename RenderThread to RenderThreadImpl (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: '' Created 9 years, 2 months ago
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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2011 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 "content/renderer/media/audio_renderer_impl.h" 5 #include "content/renderer/media/audio_renderer_impl.h"
6 6
7 #include <math.h> 7 #include <math.h>
8 8
9 #include <algorithm> 9 #include <algorithm>
10 10
11 #include "base/command_line.h" 11 #include "base/command_line.h"
12 #include "content/common/child_process.h" 12 #include "content/common/child_process.h"
13 #include "content/common/content_switches.h" 13 #include "content/common/content_switches.h"
14 #include "content/common/media/audio_messages.h" 14 #include "content/common/media/audio_messages.h"
15 #include "content/renderer/render_thread.h" 15 #include "content/renderer/render_thread_impl.h"
16 #include "content/renderer/render_view.h" 16 #include "content/renderer/render_view.h"
17 #include "media/audio/audio_buffers_state.h" 17 #include "media/audio/audio_buffers_state.h"
18 #include "media/audio/audio_output_controller.h" 18 #include "media/audio/audio_output_controller.h"
19 #include "media/audio/audio_util.h" 19 #include "media/audio/audio_util.h"
20 #include "media/base/filter_host.h" 20 #include "media/base/filter_host.h"
21 21
22 // Static variable that says what code path we are using -- low or high 22 // Static variable that says what code path we are using -- low or high
23 // latency. Made separate variable so we don't have to go to command line 23 // latency. Made separate variable so we don't have to go to command line
24 // for every DCHECK(). 24 // for every DCHECK().
25 AudioRendererImpl::LatencyType AudioRendererImpl::latency_type_ = 25 AudioRendererImpl::LatencyType AudioRendererImpl::latency_type_ =
26 AudioRendererImpl::kUninitializedLatency; 26 AudioRendererImpl::kUninitializedLatency;
27 27
28 AudioRendererImpl::AudioRendererImpl() 28 AudioRendererImpl::AudioRendererImpl()
29 : AudioRendererBase(), 29 : AudioRendererBase(),
30 bytes_per_second_(0), 30 bytes_per_second_(0),
31 stream_id_(0), 31 stream_id_(0),
32 shared_memory_(NULL), 32 shared_memory_(NULL),
33 shared_memory_size_(0), 33 shared_memory_size_(0),
34 stopped_(false), 34 stopped_(false),
35 pending_request_(false), 35 pending_request_(false),
36 prerolling_(false), 36 prerolling_(false),
37 preroll_bytes_(0) { 37 preroll_bytes_(0) {
38 filter_ = RenderThread::current()->audio_message_filter(); 38 filter_ = RenderThreadImpl::current()->audio_message_filter();
39 // Figure out if we are planning to use high or low latency code path. 39 // Figure out if we are planning to use high or low latency code path.
40 // We are initializing only one variable and double initialization is Ok, 40 // We are initializing only one variable and double initialization is Ok,
41 // so there would not be any issues caused by CPU memory model. 41 // so there would not be any issues caused by CPU memory model.
42 if (latency_type_ == kUninitializedLatency) { 42 if (latency_type_ == kUninitializedLatency) {
43 if (!CommandLine::ForCurrentProcess()->HasSwitch( 43 if (!CommandLine::ForCurrentProcess()->HasSwitch(
44 switches::kHighLatencyAudio)) { 44 switches::kHighLatencyAudio)) {
45 latency_type_ = kLowLatency; 45 latency_type_ = kLowLatency;
46 } else { 46 } else {
47 latency_type_ = kHighLatency; 47 latency_type_ = kHighLatency;
48 } 48 }
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492 media::SetActualDataSizeInBytes(shared_memory_.get(), 492 media::SetActualDataSizeInBytes(shared_memory_.get(),
493 shared_memory_size_, 493 shared_memory_size_,
494 size); 494 size);
495 UpdateEarliestEndTime(size, request_delay, time_now); 495 UpdateEarliestEndTime(size, request_delay, time_now);
496 } 496 }
497 } 497 }
498 498
499 void AudioRendererImpl::Send(IPC::Message* message) { 499 void AudioRendererImpl::Send(IPC::Message* message) {
500 filter_->Send(message); 500 filter_->Send(message);
501 } 501 }
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