1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
|
/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "config.h"
#include "MediaTexture.h"
#include "TilesManager.h"
#if USE(ACCELERATED_COMPOSITING)
#include <android/native_window.h>
#include <gui/SurfaceTexture.h>
#include <gui/SurfaceTextureClient.h>
#include <wtf/CurrentTime.h>
#define LAYER_DEBUG
#undef LAYER_DEBUG
#ifdef DEBUG
#include <cutils/log.h>
#include <wtf/text/CString.h>
#undef XLOG
#define XLOG(...) android_printLog(ANDROID_LOG_DEBUG, "MediaTexture", __VA_ARGS__)
#else
#undef XLOG
#define XLOG(...)
#endif // DEBUG
namespace WebCore {
VideoTexture::VideoTexture()
{
m_textureId = 0;
m_dimensions.setEmpty();
m_newWindowRequest = false;
m_newWindowReady = false;
}
VideoTexture::~VideoTexture()
{
releaseNativeWindow();
if (m_textureId)
glDeleteTextures(1, &m_textureId);
}
void VideoTexture::initNativeWindowIfNeeded()
{
android::Mutex::Autolock lock(m_videoLock);
if(!m_newWindowRequest)
return;
// reuse an existing texture if possible
if (!m_textureId)
glGenTextures(1, &m_textureId);
m_surfaceTexture = new android::SurfaceTexture(m_textureId);
m_surfaceTextureClient = new android::SurfaceTextureClient(m_surfaceTexture);
m_newWindowRequest = false;
m_newWindowReady = true;
m_newVideoRequestCond.signal();
}
void VideoTexture::drawVideo(TransformationMatrix matrix)
{
android::Mutex::Autolock lock(m_videoLock);
if(!m_surfaceTexture.get() || m_dimensions.isEmpty())
return;
m_surfaceTexture->updateTexImage();
TilesManager::instance()->shader()->drawLayerQuad(matrix, m_dimensions, m_textureId, 1.0f);
}
ANativeWindow* VideoTexture::requestNewWindow()
{
android::Mutex::Autolock lock(m_videoLock);
// the window was not ready before the timeout so return it this time
if (m_newWindowReady) {
m_newWindowReady = false;
return m_surfaceTextureClient.get();
}
// we only allow for one texture, so if one already exists return null
else if (m_surfaceTextureClient.get()) {
return 0;
}
m_newWindowRequest = true;
//block until the request can be fulfilled or we time out
m_newVideoRequestCond.waitRelative(m_videoLock, 1000000000); // 1 sec
if (m_surfaceTextureClient.get())
m_newWindowReady = false;
return m_surfaceTextureClient.get();
}
ANativeWindow* VideoTexture::getNativeWindow()
{
android::Mutex::Autolock lock(m_videoLock);
return m_surfaceTextureClient.get();
}
void VideoTexture::releaseNativeWindow()
{
android::Mutex::Autolock lock(m_videoLock);
m_dimensions.setEmpty();
m_surfaceTextureClient.clear();
m_surfaceTexture.clear();
}
void VideoTexture::setDimensions(const SkRect& dimensions)
{
android::Mutex::Autolock lock(m_videoLock);
m_dimensions = dimensions;
}
} // namespace WebCore
#endif // USE(ACCELERATED_COMPOSITING)
|
