FazBrowse GitHub Viewer
|
Trending
|
URL:
|
Home
Tools:
[Download Repo ZIP]
[View Raw Code]
[Original HTTPS Page]
processing/java/libraries/video/src/processing/video/Movie.java at master · aez/processing · GitHub
aez
processing
Repository navigation
Code
Pull requests
Actions
Projects
Wiki
Security and quality
Insights
Expand file tree
Breadcrumbs
processing
/
java
/
libraries
/
video
/
src
/
processing
/
video
/
Movie.java
Copy path
More file actions
More file actions
Latest commit
History
History
History
964 lines (804 loc) · 24.2 KB
Breadcrumbs
processing
/
java
/
libraries
/
video
/
src
/
processing
/
video
/
Movie.java
Copy path
File metadata and controls
964 lines (804 loc) · 24.2 KB
Raw
Copy raw file
Download raw file
Open symbols panel
Edit and raw actions
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
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
/* -*- mode: java; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
Part of the Processing project - http://processing.org
Copyright (c) 2004-12 Ben Fry and Casey Reas
The previous version of this code was developed by Hernando Barragan
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General
Public License along with this library; if not, write to the
Free Software Foundation, Inc., 59 Temple Place, Suite 330,
Boston, MA 02111-1307 USA
*/
package
processing
.
video
;
import
processing
.
core
.*;
import
java
.
awt
.
Dimension
;
import
java
.
io
.*;
import
java
.
net
.
URI
;
import
java
.
nio
.*;
import
java
.
util
.
concurrent
.
TimeUnit
;
import
java
.
lang
.
reflect
.*;
import
org
.
gstreamer
.*;
import
org
.
gstreamer
.
Buffer
;
import
org
.
gstreamer
.
elements
.*;
/**
* ( begin auto-generated from Movie.xml )
*
* Datatype for storing and playing movies in Apple's QuickTime format.
* Movies must be located in the sketch's data directory or an accessible
* place on the network to load without an error.
*
* ( end auto-generated )
*
* @webref video
* @usage application
*/
public
class
Movie
extends
PImage
implements
PConstants
{
public
static
String
[]
supportedProtocols
= {
"http"
};
public
float
frameRate
;
public
String
filename
;
public
PlayBin2
playbin
;
protected
boolean
playing
=
false
;
protected
boolean
paused
=
false
;
protected
boolean
repeat
=
false
;
protected
float
rate
;
protected
int
bufWidth
;
protected
int
bufHeight
;
protected
float
volume
;
protected
Method
movieEventMethod
;
protected
Object
eventHandler
;
protected
boolean
available
;
protected
boolean
sinkReady
;
protected
boolean
newFrame
;
protected
RGBDataAppSink
rgbSink
=
null
;
protected
int
[]
copyPixels
=
null
;
protected
boolean
firstFrame
=
true
;
protected
boolean
seeking
=
false
;
protected
boolean
useBufferSink
=
false
;
protected
Object
bufferSink
;
protected
Method
sinkCopyMethod
;
protected
Method
sinkSetMethod
;
protected
Method
sinkDisposeMethod
;
protected
Method
sinkGetMethod
;
protected
String
copyMask
;
protected
Buffer
natBuffer
=
null
;
protected
BufferDataAppSink
natSink
=
null
;
/**
* Creates an instance of GSMovie loading the movie from filename.
*
* @param parent PApplet
* @param filename String
*/
public
Movie
(
PApplet
parent
,
String
filename
) {
super
(
0
,
0
,
RGB
);
initGStreamer
(
parent
,
filename
);
}
/**
* Disposes all the native resources associated to this movie.
*
* NOTE: This is not official API and may/will be removed at any time.
*/
public
void
dispose
() {
if
(
playbin
!=
null
) {
try
{
if
(
playbin
.
isPlaying
()) {
playbin
.
stop
();
playbin
.
getState
();
}
}
catch
(
Exception
e
) {
e
.
printStackTrace
();
}
pixels
=
null
;
copyPixels
=
null
;
if
(
rgbSink
!=
null
) {
rgbSink
.
removeListener
();
rgbSink
.
dispose
();
rgbSink
=
null
;
}
natBuffer
=
null
;
if
(
natSink
!=
null
) {
natSink
.
removeListener
();
natSink
.
dispose
();
natSink
=
null
;
}
playbin
.
dispose
();
playbin
=
null
;
}
}
/**
* Finalizer of the class.
*/
protected
void
finalize
()
throws
Throwable
{
try
{
dispose
();
}
finally
{
super
.
finalize
();
}
}
/**
* ( begin auto-generated from Movie_frameRate.xml )
*
* Sets how often frames are read from the movie. Setting the <b>fps</b>
* parameter to 4, for example, will cause 4 frames to be read per second.
*
* ( end auto-generated )
*
* @webref movie
* @usage web_application
* @param ifps speed of the movie in frames per second
* @brief Sets the target frame rate
*/
public
void
frameRate
(
float
ifps
) {
if
(
seeking
)
return
;
// We calculate the target ratio in the case both the
// current and target framerates are valid (greater than
// zero), otherwise we leave it as 1.
float
f
= (
0
<
ifps
&&
0
<
frameRate
) ?
ifps
/
frameRate
:
1
;
if
(
playing
) {
playbin
.
pause
();
playbin
.
getState
();
}
long
t
=
playbin
.
queryPosition
(
TimeUnit
.
NANOSECONDS
);
boolean
res
;
long
start
,
stop
;
if
(
rate
>
0
) {
start
=
t
;
stop
= -
1
;
}
else
{
start
=
0
;
stop
=
t
;
}
res
=
playbin
.
seek
(
rate
*
f
,
Format
.
TIME
,
SeekFlags
.
FLUSH
,
SeekType
.
SET
,
start
,
SeekType
.
SET
,
stop
);
playbin
.
getState
();
if
(!
res
) {
PGraphics
.
showWarning
(
"Seek operation failed."
);
}
if
(
playing
) {
playbin
.
play
();
}
frameRate
=
ifps
;
// getState() will wait until any async state change
// (like seek in this case) has completed
seeking
=
true
;
playbin
.
getState
();
seeking
=
false
;
}
/**
* ( begin auto-generated from Movie_speed.xml )
*
* Sets the relative playback speed of the movie. The <b>rate</b>
* parameters sets the speed where 2.0 will play the movie twice as fast,
* 0.5 will play at half the speed, and -1 will play the movie in normal
* speed in reverse.
*
* ( end auto-generated )
*
* @webref movie
* @usage web_application
* @param irate speed multiplier for movie playback
* @brief Sets the relative playback speed
*/
public
void
speed
(
float
irate
) {
// If the frameRate() method is called continuously with very similar
// rate values, playback might become sluggish. This condition attempts
// to take care of that.
if
(
PApplet
.
abs
(
rate
-
irate
) >
0.1
) {
rate
=
irate
;
frameRate
(
frameRate
);
// The framerate is the same, but the rate (speed) could be different.
}
}
/**
* ( begin auto-generated from Movie_duration.xml )
*
* Returns the length of the movie in seconds. If the movie is 1 minute and
* 20 seconds long the value returned will be 80.0.
*
* ( end auto-generated )
*
* @webref movie
* @usage web_application
* @brief Returns length of movie in seconds
*/
public
float
duration
() {
float
sec
=
playbin
.
queryDuration
().
toSeconds
();
float
nanosec
=
playbin
.
queryDuration
().
getNanoSeconds
();
return
sec
+
Video
.
nanoSecToSecFrac
(
nanosec
);
}
/**
* ( begin auto-generated from Movie_time.xml )
*
* Returns the location of the playback head in seconds. For example, if
* the movie has been playing for 4 seconds, the number 4.0 will be returned.
*
* ( end auto-generated )
*
* @webref movie
* @usage web_application
* @brief Returns location of playback head in units of seconds
*/
public
float
time
() {
float
sec
=
playbin
.
queryPosition
().
toSeconds
();
float
nanosec
=
playbin
.
queryPosition
().
getNanoSeconds
();
return
sec
+
Video
.
nanoSecToSecFrac
(
nanosec
);
}
/**
* ( begin auto-generated from Movie_jump.xml )
*
* Jumps to a specific location within a movie. The parameter <b>where</b>
* is in terms of seconds. For example, if the movie is 12.2 seconds long,
* calling <b>jump(6.1)</b> would go to the middle of the movie.
*
* ( end auto-generated )
*
* @webref movie
* @usage web_application
* @param where position to jump to specified in seconds
* @brief Jumps to a specific location
*/
public
void
jump
(
float
where
) {
if
(
seeking
)
return
;
if
(!
sinkReady
) {
initSink
();
}
// Round the time to a multiple of the source framerate, in
// order to eliminate stutter. Suggested by Daniel Shiffman
float
fps
=
getSourceFrameRate
();
int
frame
= (
int
)(
where
*
fps
);
where
=
frame
/
fps
;
boolean
res
;
long
pos
=
Video
.
secToNanoLong
(
where
);
res
=
playbin
.
seek
(
rate
,
Format
.
TIME
,
SeekFlags
.
FLUSH
,
SeekType
.
SET
,
pos
,
SeekType
.
NONE
, -
1
);
if
(!
res
) {
PGraphics
.
showWarning
(
"Seek operation failed."
);
}
// getState() will wait until any async state change
// (like seek in this case) has completed
seeking
=
true
;
playbin
.
getState
();
seeking
=
false
;
}
/**
* ( begin auto-generated from Movie_available.xml )
*
* Returns "true" when a new movie frame is available to read.
*
* ( end auto-generated )
*
* @webref movie
* @usage web_application
* @brief Returns "true" when a new movie frame is available to read.
*/
public
boolean
available
() {
return
available
;
}
/**
* ( begin auto-generated from Movie_play.xml )
*
* Plays a movie one time and stops at the last frame.
*
* ( end auto-generated )
*
* @webref movie
* @usage web_application
* @brief Plays movie one time and stops at the last frame
*/
public
void
play
() {
if
(
seeking
)
return
;
if
(!
sinkReady
) {
initSink
();
}
playing
=
true
;
paused
=
false
;
playbin
.
play
();
playbin
.
getState
();
}
/**
* ( begin auto-generated from Movie_loop.xml )
*
* Plays a movie continuously, restarting it when it's over.
*
* ( end auto-generated )
*
* @webref movie
* @usage web_application
* @brief Plays a movie continuously, restarting it when it's over.
*/
public
void
loop
() {
if
(
seeking
)
return
;
repeat
=
true
;
play
();
}
/**
* ( begin auto-generated from Movie_noLoop.xml )
*
* If a movie is looping, calling noLoop() will cause it to play until the
* end and then stop on the last frame.
*
* ( end auto-generated )
*
* @webref movie
* @usage web_application
* @brief Stops the movie from looping
*/
public
void
noLoop
() {
if
(
seeking
)
return
;
if
(!
sinkReady
) {
initSink
();
}
repeat
=
false
;
}
/**
* ( begin auto-generated from Movie_pause.xml )
*
* Pauses a movie during playback. If a movie is started again with play(),
* it will continue from where it was paused.
*
* ( end auto-generated )
*
* @webref movie
* @usage web_application
* @brief Pauses the movie
*/
public
void
pause
() {
if
(
seeking
)
return
;
if
(!
sinkReady
) {
initSink
();
}
playing
=
false
;
paused
=
true
;
playbin
.
pause
();
playbin
.
getState
();
}
/**
* ( begin auto-generated from Movie_stop.xml )
*
* Stops a movie from continuing. The playback returns to the beginning so
* when a movie is played, it will begin from the beginning.
*
* ( end auto-generated )
*
* @webref movie
* @usage web_application
* @brief Stops the movie
*/
public
void
stop
() {
if
(
seeking
)
return
;
if
(!
sinkReady
) {
initSink
();
}
if
(
playing
) {
jump
(
0
);
playing
=
false
;
}
paused
=
false
;
playbin
.
stop
();
playbin
.
getState
();
}
/**
* ( begin auto-generated from Movie_read.xml )
*
* Reads the current frame of the movie.
*
* ( end auto-generated )
*
* @webref movie
* @usage web_application
* @brief Reads the current frame
*/
public
synchronized
void
read
() {
if
(
frameRate
<
0
) {
// Framerate not set yet, so we obtain from stream,
// which is already playing since we are in read().
frameRate
=
getSourceFrameRate
();
}
if
(
volume
<
0
) {
// Idem for volume
volume
= (
float
)
playbin
.
getVolume
();
}
if
(
useBufferSink
) {
// The native buffer from gstreamer is copied to the buffer sink.
if
(
natBuffer
==
null
) {
return
;
}
if
(
firstFrame
) {
super
.
init
(
bufWidth
,
bufHeight
,
ARGB
);
firstFrame
=
false
;
}
if
(
bufferSink
==
null
) {
Object
cache
=
parent
.
g
.
getCache
(
this
);
if
(
cache
==
null
) {
return
;
}
setBufferSink
(
cache
);
getSinkMethods
();
}
ByteBuffer
byteBuffer
=
natBuffer
.
getByteBuffer
();
try
{
sinkCopyMethod
.
invoke
(
bufferSink
,
new
Object
[] {
natBuffer
,
byteBuffer
,
bufWidth
,
bufHeight
});
}
catch
(
Exception
e
) {
e
.
printStackTrace
();
}
natBuffer
=
null
;
}
else
{
// The pixels just read from gstreamer are copied to the pixels array.
if
(
copyPixels
==
null
) {
return
;
}
if
(
firstFrame
) {
super
.
init
(
bufWidth
,
bufHeight
,
RGB
);
firstFrame
=
false
;
}
int
[]
temp
=
pixels
;
pixels
=
copyPixels
;
updatePixels
();
copyPixels
=
temp
;
}
available
=
false
;
newFrame
=
true
;
}
/**
* Change the volume. Values are from 0 to 1.
*
* @param float v
*/
public
void
volume
(
float
v
) {
if
(
playing
&&
PApplet
.
abs
(
volume
-
v
) >
0.001f
) {
playbin
.
setVolume
(
v
);
volume
=
v
;
}
}
public
synchronized
void
loadPixels
() {
super
.
loadPixels
();
if
(
useBufferSink
) {
if
(
natBuffer
!=
null
) {
// This means that the OpenGL texture hasn't been created so far (the
// video frame not drawn using image()), but the user wants to use the
// pixel array, which we can just get from natBuffer.
IntBuffer
buf
=
natBuffer
.
getByteBuffer
().
asIntBuffer
();
buf
.
rewind
();
buf
.
get
(
pixels
);
Video
.
convertToARGB
(
pixels
,
width
,
height
);
}
else
if
(
sinkGetMethod
!=
null
) {
try
{
sinkGetMethod
.
invoke
(
bufferSink
,
new
Object
[] {
pixels
});
}
catch
(
Exception
e
) {
e
.
printStackTrace
();
}
}
}
}
////////////////////////////////////////////////////////////
// Initialization methods.
protected
void
initGStreamer
(
PApplet
parent
,
String
filename
) {
this
.
parent
=
parent
;
playbin
=
null
;
File
file
;
Video
.
init
();
// first check to see if this can be read locally from a file.
try
{
try
{
// first try a local file using the dataPath. usually this will
// work ok, but sometimes the dataPath is inside a jar file,
// which is less fun, so this will crap out.
file
=
new
File
(
parent
.
dataPath
(
filename
));
if
(
file
.
exists
()) {
playbin
=
new
PlayBin2
(
"Movie Player"
);
playbin
.
setInputFile
(
file
);
}
}
catch
(
Exception
e
) {
}
// ignored
// read from a file just hanging out in the local folder.
// this might happen when the video library is used with some
// other application, or the person enters a full path name
if
(
playbin
==
null
) {
try
{
file
=
new
File
(
filename
);
if
(
file
.
exists
()) {
playbin
=
new
PlayBin2
(
"Movie Player"
);
playbin
.
setInputFile
(
file
);
}
}
catch
(
Exception
e
) {
e
.
printStackTrace
();
}
}
if
(
playbin
==
null
) {
// Try network read...
for
(
int
i
=
0
;
i
<
supportedProtocols
.
length
;
i
++) {
if
(
filename
.
startsWith
(
supportedProtocols
[
i
] +
"://"
)) {
try
{
playbin
=
new
PlayBin2
(
"Movie Player"
);
playbin
.
setURI
(
URI
.
create
(
filename
));
break
;
}
catch
(
Exception
e
) {
e
.
printStackTrace
();
}
}
}
}
}
catch
(
SecurityException
se
) {
// online, whups. catch the security exception out here rather than
// doing it three times (or whatever) for each of the cases above.
}
if
(
playbin
==
null
) {
parent
.
die
(
"Could not load movie file "
+
filename
,
null
);
}
// we've got a valid movie! let's rock.
try
{
this
.
filename
=
filename
;
// for error messages
// register methods
parent
.
registerMethod
(
"dispose"
,
this
);
parent
.
registerMethod
(
"post"
,
this
);
setEventHandlerObject
(
parent
);
rate
=
1.0f
;
frameRate
= -
1
;
volume
= -
1
;
sinkReady
=
false
;
bufWidth
=
bufHeight
=
0
;
}
catch
(
Exception
e
) {
e
.
printStackTrace
();
}
}
/**
* Uses a generic object as handler of the movie. This object should have a
* movieEvent method that receives a GSMovie argument. This method will
* be called upon a new frame read event.
*
*/
protected
void
setEventHandlerObject
(
Object
obj
) {
eventHandler
=
obj
;
try
{
movieEventMethod
=
eventHandler
.
getClass
().
getMethod
(
"movieEvent"
,
new
Class
[] {
Movie
.
class
});
}
catch
(
Exception
e
) {
// no such method, or an error.. which is fine, just ignore
}
}
protected
void
initSink
() {
if
(
bufferSink
!=
null
|| (
Video
.
useGLBufferSink
&&
parent
.
g
.
isGL
())) {
useBufferSink
=
true
;
if
(
bufferSink
!=
null
) {
getSinkMethods
();
}
if
(
copyMask
==
null
||
copyMask
.
equals
(
""
)) {
initCopyMask
();
}
natSink
=
new
BufferDataAppSink
(
"nat"
,
copyMask
,
new
BufferDataAppSink
.
Listener
() {
public
void
bufferFrame
(
int
w
,
int
h
,
Buffer
buffer
) {
invokeEvent
(
w
,
h
,
buffer
);
}
});
natSink
.
setAutoDisposeBuffer
(
false
);
playbin
.
setVideoSink
(
natSink
);
// The setVideoSink() method sets the videoSink as a property of the
// PlayBin, which increments the refcount of the videoSink element.
// Disposing here once to decrement the refcount.
natSink
.
dispose
();
}
else
{
rgbSink
=
new
RGBDataAppSink
(
"rgb"
,
new
RGBDataAppSink
.
Listener
() {
public
void
rgbFrame
(
int
w
,
int
h
,
IntBuffer
buffer
) {
invokeEvent
(
w
,
h
,
buffer
);
}
});
// Setting direct buffer passing in the video sink.
rgbSink
.
setPassDirectBuffer
(
Video
.
passDirectBuffer
);
playbin
.
setVideoSink
(
rgbSink
);
// The setVideoSink() method sets the videoSink as a property of the
// PlayBin, which increments the refcount of the videoSink element.
// Disposing here once to decrement the refcount.
rgbSink
.
dispose
();
}
// Creating bus to handle end-of-stream event.
Bus
bus
=
playbin
.
getBus
();
bus
.
connect
(
new
Bus
.
EOS
() {
public
void
endOfStream
(
GstObject
element
) {
eosEvent
();
}
});
sinkReady
=
true
;
newFrame
=
false
;
}
////////////////////////////////////////////////////////////
// Stream event handling.
protected
synchronized
void
invokeEvent
(
int
w
,
int
h
,
IntBuffer
buffer
) {
available
=
true
;
bufWidth
=
w
;
bufHeight
=
h
;
if
(
copyPixels
==
null
) {
copyPixels
=
new
int
[
w
*
h
];
}
buffer
.
rewind
();
try
{
buffer
.
get
(
copyPixels
);
}
catch
(
BufferUnderflowException
e
) {
e
.
printStackTrace
();
copyPixels
=
null
;
return
;
}
if
(
playing
) {
// Creates a movieEvent.
if
(
movieEventMethod
!=
null
) {
try
{
movieEventMethod
.
invoke
(
eventHandler
,
new
Object
[] {
this
});
}
catch
(
Exception
e
) {
System
.
err
.
println
(
"error, disabling movieEvent() for "
+
filename
);
e
.
printStackTrace
();
movieEventMethod
=
null
;
}
}
}
}
protected
synchronized
void
invokeEvent
(
int
w
,
int
h
,
Buffer
buffer
) {
available
=
true
;
bufWidth
=
w
;
bufHeight
=
h
;
if
(
natBuffer
!=
null
) {
// To handle the situation where read() is not called in the sketch, so
// that the native buffers are not being sent to the sinke, and therefore, not disposed
// by it.
natBuffer
.
dispose
();
}
natBuffer
=
buffer
;
if
(
playing
) {
// Creates a movieEvent.
if
(
movieEventMethod
!=
null
) {
try
{
movieEventMethod
.
invoke
(
eventHandler
,
new
Object
[] {
this
});
}
catch
(
Exception
e
) {
System
.
err
.
println
(
"error, disabling movieEvent() for "
+
filename
);
e
.
printStackTrace
();
movieEventMethod
=
null
;
}
}
}
}
protected
void
eosEvent
() {
if
(
repeat
) {
if
(
0
<
rate
) {
// Playing forward, so we return to the beginning
jump
(
0
);
}
else
{
// Playing backwards, so we go to the end.
jump
(
duration
());
}
// The rate is set automatically to 1 when restarting the
// stream, so we need to call frameRate in order to reset
// to the latest fps rate.
frameRate
(
frameRate
);
}
else
{
playing
=
false
;
}
}
////////////////////////////////////////////////////////////
// Stream query methods.
/**
* Get the height of the source video. Note: calling this method repeatedly
* can slow down playback performance.
*
* @return int
*/
protected
int
getSourceHeight
() {
Dimension
dim
=
playbin
.
getVideoSize
();
if
(
dim
!=
null
) {
return
dim
.
height
;
}
else
{
return
0
;
}
}
/**
* Get the original framerate of the source video. Note: calling this method
* repeatedly can slow down playback performance.
*
* @return float
*/
protected
float
getSourceFrameRate
() {
return
(
float
)
playbin
.
getVideoSinkFrameRate
();
}
/**
* Get the width of the source video. Note: calling this method repeatedly
* can slow down playback performance.
*
* @return int
*/
protected
int
getSourceWidth
() {
Dimension
dim
=
playbin
.
getVideoSize
();
if
(
dim
!=
null
) {
return
dim
.
width
;
}
else
{
return
0
;
}
}
////////////////////////////////////////////////////////////
// Buffer source interface.
/**
* Sets the object to use as destination for the frames read from the stream.
* The color conversion mask is automatically set to the one required to
* copy the frames to OpenGL.
*
* NOTE: This is not official API and may/will be removed at any time.
*
* @param Object dest
*/
public
void
setBufferSink
(
Object
sink
) {
bufferSink
=
sink
;
initCopyMask
();
}
/**
* Sets the object to use as destination for the frames read from the stream.
*
* NOTE: This is not official API and may/will be removed at any time.
*
* @param Object dest
* @param String mask
*/
public
void
setBufferSink
(
Object
sink
,
String
mask
) {
bufferSink
=
sink
;
copyMask
=
mask
;
}
/**
* NOTE: This is not official API and may/will be removed at any time.
*/
public
boolean
hasBufferSink
() {
return
bufferSink
!=
null
;
}
/**
* NOTE: This is not official API and may/will be removed at any time.
*/
public
synchronized
void
disposeBuffer
(
Object
buf
) {
((
Buffer
)
buf
).
dispose
();
}
protected
void
getSinkMethods
() {
try
{
sinkCopyMethod
=
bufferSink
.
getClass
().
getMethod
(
"copyBufferFromSource"
,
new
Class
[] {
Object
.
class
,
ByteBuffer
.
class
,
int
.
class
,
int
.
class
});
}
catch
(
Exception
e
) {
throw
new
RuntimeException
(
"Movie: provided sink object doesn't have a "
+
"copyBufferFromSource method."
);
}
try
{
sinkSetMethod
=
bufferSink
.
getClass
().
getMethod
(
"setBufferSource"
,
new
Class
[] {
Object
.
class
});
sinkSetMethod
.
invoke
(
bufferSink
,
new
Object
[] {
this
});
}
catch
(
Exception
e
) {
throw
new
RuntimeException
(
"Movie: provided sink object doesn't have a "
+
"setBufferSource method."
);
}
try
{
sinkDisposeMethod
=
bufferSink
.
getClass
().
getMethod
(
"disposeSourceBuffer"
,
new
Class
[] { });
}
catch
(
Exception
e
) {
throw
new
RuntimeException
(
"Movie: provided sink object doesn't have "
+
"a disposeSourceBuffer method."
);
}
try
{
sinkGetMethod
=
bufferSink
.
getClass
().
getMethod
(
"getBufferPixels"
,
new
Class
[] {
int
[].
class
});
}
catch
(
Exception
e
) {
throw
new
RuntimeException
(
"Movie: provided sink object doesn't have "
+
"a getBufferPixels method."
);
}
}
protected
void
initCopyMask
() {
if
(
ByteOrder
.
nativeOrder
() ==
ByteOrder
.
LITTLE_ENDIAN
) {
copyMask
=
"red_mask=(int)0xFF000000, green_mask=(int)0xFF0000, blue_mask=(int)0xFF00"
;
}
else
{
copyMask
=
"red_mask=(int)0xFF, green_mask=(int)0xFF00, blue_mask=(int)0xFF0000"
;
}
}
public
synchronized
void
post
() {
if
(
useBufferSink
&&
sinkDisposeMethod
!=
null
) {
try
{
sinkDisposeMethod
.
invoke
(
bufferSink
,
new
Object
[] {});
}
catch
(
Exception
e
) {
e
.
printStackTrace
();
}
}
}
}
Back
|
FazBrowse Home
|
New Git URL