-
Notifications
You must be signed in to change notification settings - Fork 1.3k
/
VideoOptimizer.java
209 lines (179 loc) · 8.17 KB
/
VideoOptimizer.java
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
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
package org.wordpress.android.ui.uploads;
import android.content.Context;
import androidx.annotation.NonNull;
import org.m4m.MediaComposer;
import org.wordpress.android.WordPress;
import org.wordpress.android.analytics.AnalyticsTracker;
import org.wordpress.android.fluxc.model.MediaModel;
import org.wordpress.android.ui.prefs.AppPrefs;
import org.wordpress.android.util.AppLog;
import org.wordpress.android.util.AppLog.T;
import org.wordpress.android.util.FileUtils;
import org.wordpress.android.util.MediaUtils;
import org.wordpress.android.util.WPVideoUtils;
import org.wordpress.android.util.analytics.AnalyticsUtils;
import java.io.File;
import java.text.DecimalFormat;
import java.util.HashMap;
import java.util.Map;
import static org.wordpress.android.analytics.AnalyticsTracker.Stat.MEDIA_VIDEO_CANT_OPTIMIZE;
import static org.wordpress.android.analytics.AnalyticsTracker.Stat.MEDIA_VIDEO_OPTIMIZED;
import static org.wordpress.android.analytics.AnalyticsTracker.Stat.MEDIA_VIDEO_OPTIMIZE_ERROR;
public class VideoOptimizer implements org.m4m.IProgressListener {
private final File mCacheDir;
private final MediaModel mMedia;
private final VideoOptimizationListener mListener;
private final String mFilename;
private final String mInputPath;
private String mOutputPath;
private long mStartTimeMS;
private float mLastProgress;
public VideoOptimizer(@NonNull MediaModel media, @NonNull VideoOptimizationListener listener) {
mCacheDir = getContext().getCacheDir();
mListener = listener;
mMedia = media;
mInputPath = mMedia.getFilePath();
mFilename = MediaUtils.generateTimeStampedFileName("video/mp4");
}
private Context getContext() {
return WordPress.getContext();
}
public void start() {
if (mInputPath == null) {
AppLog.w(AppLog.T.MEDIA, "VideoOptimizer > empty input path");
mListener.onVideoOptimizationCompleted(mMedia);
return;
}
if (mCacheDir == null) {
AppLog.w(AppLog.T.MEDIA, "VideoOptimizer > null cache dir");
mListener.onVideoOptimizationCompleted(mMedia);
return;
}
if (!mCacheDir.exists() && !mCacheDir.mkdirs()) {
AppLog.w(AppLog.T.MEDIA, "VideoOptimizer > cannot create cache dir");
mListener.onVideoOptimizationCompleted(mMedia);
return;
}
mOutputPath = mCacheDir.getPath() + "/" + mFilename;
MediaComposer mediaComposer = null;
boolean wasNpeDetected = false;
try {
mediaComposer = WPVideoUtils.getVideoOptimizationComposer(
getContext(),
mInputPath,
mOutputPath,
this,
AppPrefs.getVideoOptimizeWidth(),
AppPrefs.getVideoOptimizeQuality());
} catch (NullPointerException npe) {
AppLog.w(
AppLog.T.MEDIA,
"VideoOptimizer > NullPointerException while getting composer " + npe.getMessage()
);
wasNpeDetected = true;
}
if (mediaComposer == null) {
AppLog.w(AppLog.T.MEDIA, "VideoOptimizer > null composer");
Map<String, Object> properties = AnalyticsUtils.getMediaProperties(getContext(), true,
null, mInputPath);
properties.put("was_npe_detected", wasNpeDetected);
properties.put("optimizer_lib", "m4m");
AnalyticsTracker.track(MEDIA_VIDEO_CANT_OPTIMIZE, properties);
mListener.onVideoOptimizationCompleted(mMedia);
return;
}
// setup done. We're ready to optimize!
try {
mediaComposer.start();
AppLog.d(AppLog.T.MEDIA, "VideoOptimizer > composer started");
} catch (IllegalStateException e) {
AppLog.e(AppLog.T.MEDIA, "VideoOptimizer > failed to start composer", e);
mListener.onVideoOptimizationCompleted(mMedia);
}
}
private void trackVideoProcessingEvents(boolean isError, Exception exception) {
Map<String, Object> properties = new HashMap<>();
Map<String, Object> inputVideoProperties =
AnalyticsUtils.getMediaProperties(getContext(), true, null, mInputPath);
putAllWithPrefix("input_video_", inputVideoProperties, properties);
if (mOutputPath != null) {
Map<String, Object> outputVideoProperties = AnalyticsUtils.getMediaProperties(getContext(), true, null,
mOutputPath);
putAllWithPrefix("output_video_", outputVideoProperties, properties);
String savedMegabytes =
String.valueOf((FileUtils.length(mInputPath) - FileUtils.length(mOutputPath)) / (1024 * 1024));
properties.put("saved_megabytes", savedMegabytes);
}
long endTime = System.currentTimeMillis();
properties.put("elapsed_time_ms", endTime - mStartTimeMS);
if (isError) {
properties.put("exception_name", exception.getClass().getCanonicalName());
properties.put("exception_message", exception.getMessage());
AppLog.e(T.MEDIA, exception);
}
properties.put("optimizer_lib", "m4m");
AnalyticsTracker.Stat currentStatToTrack = isError ? MEDIA_VIDEO_OPTIMIZE_ERROR : MEDIA_VIDEO_OPTIMIZED;
AnalyticsTracker.track(currentStatToTrack, properties);
}
private void putAllWithPrefix(String prefix, Map<String, Object> inputMap, Map<String, Object> targetMap) {
if (inputMap != null && targetMap != null) {
for (Map.Entry<String, Object> entry : inputMap.entrySet()) {
targetMap.put(prefix + entry.getKey(), entry.getValue());
}
}
}
/*
* IProgressListener handlers
*/
@Override
public void onMediaStart() {
mStartTimeMS = System.currentTimeMillis();
}
@Override
public void onMediaProgress(float progress) {
// this event fires quite often so we only call the listener when progress increases by 1% or more
if (mLastProgress == 0 || (progress - mLastProgress > 0.01F)) {
AppLog.d(AppLog.T.MEDIA, "VideoOptimizer > " + mMedia.getId() + " - progress: " + progress);
mLastProgress = progress;
mListener.onVideoOptimizationProgress(mMedia, progress);
}
}
@Override
public void onMediaDone() {
trackVideoProcessingEvents(false, null);
long originalFileSize = FileUtils.length(mInputPath);
long optimizedFileSize = FileUtils.length(mOutputPath);
long savings = originalFileSize - optimizedFileSize;
double savingsKb = Math.abs(savings) / 1024;
String strSavingsKb = new DecimalFormat("0.00").format(savingsKb).concat("KB");
// make sure the resulting file is smaller than the original
if (savings <= 0) {
AppLog.w(AppLog.T.MEDIA, "VideoOptimizer > no savings, optimized file is " + strSavingsKb + " larger");
// no savings, so use original unoptimized media
mListener.onVideoOptimizationCompleted(mMedia);
} else {
AppLog.d(AppLog.T.MEDIA, "VideoOptimizer > reduced by " + strSavingsKb);
// update media object to point to optimized video
mMedia.setFilePath(mOutputPath);
mMedia.setFileName(mFilename);
mListener.onVideoOptimizationCompleted(mMedia);
}
}
@Override
public void onMediaPause() {
AppLog.d(AppLog.T.MEDIA, "VideoOptimizer > paused");
}
@Override
public void onMediaStop() {
// This seems to be called called in 2 cases. Do not use to check if we've manually stopped the composer.
// 1. When the encoding is done without errors, before onMediaDone
// 2. When we call 'stop' on the media composer
AppLog.d(AppLog.T.MEDIA, "VideoOptimizer > stopped");
}
@Override
public void onError(Exception e) {
AppLog.e(AppLog.T.MEDIA, "VideoOptimizer > Can't optimize the video", e);
trackVideoProcessingEvents(true, e);
mListener.onVideoOptimizationCompleted(mMedia);
}
}