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
|
/*
* Copyright (C) 2013 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.
*/
package de.pixart.messenger.utils.video;
import android.annotation.TargetApi;
import android.opengl.EGL14;
import android.opengl.EGLConfig;
import android.opengl.EGLContext;
import android.opengl.EGLDisplay;
import android.opengl.EGLExt;
import android.opengl.EGLSurface;
import android.os.Build;
import android.view.Surface;
@TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR2)
public class InputSurface {
private static final boolean VERBOSE = false;
private static final int EGL_RECORDABLE_ANDROID = 0x3142;
private static final int EGL_OPENGL_ES2_BIT = 4;
private EGLDisplay mEGLDisplay;
private EGLContext mEGLContext;
private EGLSurface mEGLSurface;
private Surface mSurface;
public InputSurface(Surface surface) {
if (surface == null) {
throw new NullPointerException();
}
mSurface = surface;
eglSetup();
}
private void eglSetup() {
mEGLDisplay = EGL14.eglGetDisplay(EGL14.EGL_DEFAULT_DISPLAY);
if (mEGLDisplay == EGL14.EGL_NO_DISPLAY) {
throw new RuntimeException("unable to get EGL14 display");
}
int[] version = new int[2];
if (!EGL14.eglInitialize(mEGLDisplay, version, 0, version, 1)) {
mEGLDisplay = null;
throw new RuntimeException("unable to initialize EGL14");
}
int[] attribList = {
EGL14.EGL_RED_SIZE, 8,
EGL14.EGL_GREEN_SIZE, 8,
EGL14.EGL_BLUE_SIZE, 8,
EGL14.EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
EGL_RECORDABLE_ANDROID, 1,
EGL14.EGL_NONE
};
EGLConfig[] configs = new EGLConfig[1];
int[] numConfigs = new int[1];
if (!EGL14.eglChooseConfig(mEGLDisplay, attribList, 0, configs, 0, configs.length,
numConfigs, 0)) {
throw new RuntimeException("unable to find RGB888+recordable ES2 EGL config");
}
int[] attrib_list = {
EGL14.EGL_CONTEXT_CLIENT_VERSION, 2,
EGL14.EGL_NONE
};
mEGLContext = EGL14.eglCreateContext(mEGLDisplay, configs[0], EGL14.EGL_NO_CONTEXT, attrib_list, 0);
checkEglError("eglCreateContext");
if (mEGLContext == null) {
throw new RuntimeException("null context");
}
int[] surfaceAttribs = {
EGL14.EGL_NONE
};
mEGLSurface = EGL14.eglCreateWindowSurface(mEGLDisplay, configs[0], mSurface,
surfaceAttribs, 0);
checkEglError("eglCreateWindowSurface");
if (mEGLSurface == null) {
throw new RuntimeException("surface was null");
}
}
public void release() {
if (EGL14.eglGetCurrentContext().equals(mEGLContext)) {
EGL14.eglMakeCurrent(mEGLDisplay, EGL14.EGL_NO_SURFACE, EGL14.EGL_NO_SURFACE, EGL14.EGL_NO_CONTEXT);
}
EGL14.eglDestroySurface(mEGLDisplay, mEGLSurface);
EGL14.eglDestroyContext(mEGLDisplay, mEGLContext);
mSurface.release();
mEGLDisplay = null;
mEGLContext = null;
mEGLSurface = null;
mSurface = null;
}
public void makeCurrent() {
if (!EGL14.eglMakeCurrent(mEGLDisplay, mEGLSurface, mEGLSurface, mEGLContext)) {
throw new RuntimeException("eglMakeCurrent failed");
}
}
public boolean swapBuffers() {
return EGL14.eglSwapBuffers(mEGLDisplay, mEGLSurface);
}
public Surface getSurface() {
return mSurface;
}
public void setPresentationTime(long nsecs) {
EGLExt.eglPresentationTimeANDROID(mEGLDisplay, mEGLSurface, nsecs);
}
private void checkEglError(String msg) {
boolean failed = false;
int error;
while ((error = EGL14.eglGetError()) != EGL14.EGL_SUCCESS) {
failed = true;
}
if (failed) {
throw new RuntimeException("EGL error encountered (see log)");
}
}
}
|
