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Side by Side Diff: content/shell/renderer/shell_video_frame_provider.cc

Issue 18123002: Migrate webkit/renderer/media/ to content/renderer/media/. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: rebase on mo time Created 7 years, 5 months 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 "webkit/renderer/media/simple_video_frame_provider.h" 5 #include "content/shell/renderer/shell_video_frame_provider.h"
6 6
7 #include "base/bind.h" 7 #include "base/bind.h"
8 #include "base/location.h" 8 #include "base/location.h"
9 #include "base/message_loop/message_loop_proxy.h" 9 #include "base/message_loop/message_loop_proxy.h"
10 #include "media/base/video_frame.h" 10 #include "media/base/video_frame.h"
11 11
12 namespace webkit_media { 12 namespace content {
13 13
14 SimpleVideoFrameProvider::SimpleVideoFrameProvider( 14 ShellVideoFrameProvider::ShellVideoFrameProvider(
15 const gfx::Size& size, 15 const gfx::Size& size,
16 const base::TimeDelta& frame_duration, 16 const base::TimeDelta& frame_duration,
17 const base::Closure& error_cb, 17 const base::Closure& error_cb,
18 const VideoFrameProvider::RepaintCB& repaint_cb) 18 const VideoFrameProvider::RepaintCB& repaint_cb)
19 : message_loop_proxy_(base::MessageLoopProxy::current()), 19 : message_loop_proxy_(base::MessageLoopProxy::current()),
20 size_(size), 20 size_(size),
21 state_(kStopped), 21 state_(kStopped),
22 frame_duration_(frame_duration), 22 frame_duration_(frame_duration),
23 error_cb_(error_cb), 23 error_cb_(error_cb),
24 repaint_cb_(repaint_cb) { 24 repaint_cb_(repaint_cb) {
25 } 25 }
26 26
27 SimpleVideoFrameProvider::~SimpleVideoFrameProvider() {} 27 ShellVideoFrameProvider::~ShellVideoFrameProvider() {}
28 28
29 void SimpleVideoFrameProvider::Start() { 29 void ShellVideoFrameProvider::Start() {
30 DVLOG(1) << "SimpleVideoFrameProvider::Start"; 30 DVLOG(1) << "ShellVideoFrameProvider::Start";
31 DCHECK(message_loop_proxy_->BelongsToCurrentThread()); 31 DCHECK(message_loop_proxy_->BelongsToCurrentThread());
32 state_ = kStarted; 32 state_ = kStarted;
33 message_loop_proxy_->PostTask( 33 message_loop_proxy_->PostTask(
34 FROM_HERE, 34 FROM_HERE,
35 base::Bind(&SimpleVideoFrameProvider::GenerateFrame, this)); 35 base::Bind(&ShellVideoFrameProvider::GenerateFrame, this));
36 } 36 }
37 37
38 void SimpleVideoFrameProvider::Stop() { 38 void ShellVideoFrameProvider::Stop() {
39 DVLOG(1) << "SimpleVideoFrameProvider::Stop"; 39 DVLOG(1) << "ShellVideoFrameProvider::Stop";
40 DCHECK(message_loop_proxy_->BelongsToCurrentThread()); 40 DCHECK(message_loop_proxy_->BelongsToCurrentThread());
41 state_ = kStopped; 41 state_ = kStopped;
42 } 42 }
43 43
44 void SimpleVideoFrameProvider::Play() { 44 void ShellVideoFrameProvider::Play() {
45 DVLOG(1) << "SimpleVideoFrameProvider::Play"; 45 DVLOG(1) << "ShellVideoFrameProvider::Play";
46 DCHECK(message_loop_proxy_->BelongsToCurrentThread()); 46 DCHECK(message_loop_proxy_->BelongsToCurrentThread());
47 if (state_ == kPaused) 47 if (state_ == kPaused)
48 state_ = kStarted; 48 state_ = kStarted;
49 } 49 }
50 50
51 void SimpleVideoFrameProvider::Pause() { 51 void ShellVideoFrameProvider::Pause() {
52 DVLOG(1) << "SimpleVideoFrameProvider::Pause"; 52 DVLOG(1) << "ShellVideoFrameProvider::Pause";
53 DCHECK(message_loop_proxy_->BelongsToCurrentThread()); 53 DCHECK(message_loop_proxy_->BelongsToCurrentThread());
54 if (state_ == kStarted) 54 if (state_ == kStarted)
55 state_ = kPaused; 55 state_ = kPaused;
56 } 56 }
57 57
58 void SimpleVideoFrameProvider::GenerateFrame() { 58 void ShellVideoFrameProvider::GenerateFrame() {
59 DVLOG(1) << "SimpleVideoFrameProvider::GenerateFrame"; 59 DVLOG(1) << "ShellVideoFrameProvider::GenerateFrame";
60 DCHECK(message_loop_proxy_->BelongsToCurrentThread()); 60 DCHECK(message_loop_proxy_->BelongsToCurrentThread());
61 if (state_ == kStopped) 61 if (state_ == kStopped)
62 return; 62 return;
63 63
64 if (state_ == kStarted) { 64 if (state_ == kStarted) {
65 // Always allocate a new frame filled with white color. 65 // Always allocate a new frame filled with white color.
66 scoped_refptr<media::VideoFrame> video_frame = 66 scoped_refptr<media::VideoFrame> video_frame =
67 media::VideoFrame::CreateColorFrame( 67 media::VideoFrame::CreateColorFrame(
68 size_, 255, 128, 128, current_time_); 68 size_, 255, 128, 128, current_time_);
69 69
70 // TODO(wjia): set pixel data to pre-defined patterns if it's desired to 70 // TODO(wjia): set pixel data to pre-defined patterns if it's desired to
71 // verify frame content. 71 // verify frame content.
72 72
73 repaint_cb_.Run(video_frame); 73 repaint_cb_.Run(video_frame);
74 } 74 }
75 75
76 current_time_ += frame_duration_; 76 current_time_ += frame_duration_;
77 message_loop_proxy_->PostDelayedTask( 77 message_loop_proxy_->PostDelayedTask(
78 FROM_HERE, 78 FROM_HERE,
79 base::Bind(&SimpleVideoFrameProvider::GenerateFrame, this), 79 base::Bind(&ShellVideoFrameProvider::GenerateFrame, this),
80 frame_duration_); 80 frame_duration_);
81 } 81 }
82 82
83 } // namespace webkit_media 83 } // namespace content
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