Oh you beauty, I was beginning to think it was my fault.
We have a very similar crash, although I usually see either thread 0 or
another crash around
v2m_PurgeScheduleQueueContents, with MediaMoviesTask in the stack.
It may or may not have been introduced with QT 7.2, and is still present in
QT 7.3.
I've sent logs to developer support, but I'm afraid that they don't seem to
be finding a fix in a hurry.
Duncan
PS - when you say everything is cleaned up, do you disposeQTObject, or let
GC deal with it?
Original Message:
-----------------
From: Ben Thompson email@hidden
Date: Thu, 8 Nov 2007 01:03:32 -0600
To: email@hidden
Subject: SetMovieRate crash
Has anybody else experienced a crash where after playing back a number of
movie files eventually the application simply crashes with a BAD_ACCESS
error and the thread that crashes has a stack trace similar to the
following? This has been plaguing me for the last few days and I have tried
almost everything I can think of to locate and resolve this crash. It
occurs *significantly* less with sorenson compressed video clips than with
h.264 compressed video.
In a nutshell, I pretty much do the following repeatedly (approximately once
every 2-3s):
1) load a movie file
2) create a movie player
3) create a QTJComponent
4) set the play rate of the movie player to the preferred play rate of the
movie file
5) schedule another thread to stop the movie after a specific amount of time
has elapsed
6) ...
7) movie is stopped
8) everything is cleaned up
9) repeat
0 ...ickTimeComponents.component 0x9992dc20
v2m_PurgeScheduleQueueContents + 96
1 ...ickTimeComponents.component 0x99934cf8 Video2RateChanged + 776
2 ...ple.CoreServices.CarbonCore 0x90bdc04c
CallComponentFunctionCommon + 1044
3 ...ple.CoreServices.CarbonCore 0x90bdbbd4 CallComponent + 260
4 com.apple.QuickTime 0x9496c1d8 MediaRateChanged + 40
5 com.apple.QuickTime 0x949f027c tellMediaRateChanged + 44
6 com.apple.QuickTime 0x9492e950 ForEachMedia_priv + 144
7 com.apple.QuickTime 0x949efbc0 movieRateCallBackProc +
1200
8 com.apple.QuickTime 0x949ef600 SetMovieRate_priv + 192
9 <<00000000>> 0x04587bec 0 + 72907756
10 <<00000000>> 0x0457fab0 0 + 72874672
11 <<00000000>> 0x0457fab0 0 + 72874672
12 <<00000000>> 0x0457fab0 0 + 72874672
13 <<00000000>> 0x0457fab0 0 + 72874672
14 <<00000000>> 0x0457fab0 0 + 72874672
15 <<00000000>> 0x0457fab0 0 + 72874672
16 <<00000000>> 0x0457fab0 0 + 72874672
17 <<00000000>> 0x0457fe10 0 + 72875536
18 <<00000000>> 0x0457fab0 0 + 72874672
19 <<00000000>> 0x0457fe10 0 + 72875536
20 <<00000000>> 0x0457d164 0 + 72864100
21 libclient.dylib 0x9d1c4fc8 jio_snprintf + 398952
22 libclient.dylib 0x9d1d2564 JVM_StartThread + 2612
23 libclient.dylib 0x9d1d2450 JVM_StartThread + 2336
24 libclient.dylib 0x9d1d23e0 JVM_StartThread + 2224
25 libclient.dylib 0x9d1d229c JVM_StartThread + 1900
26 libclient.dylib 0x9d15cfac JNI_CreateJavaVM_Impl +
48844
27 libSystem.B.dylib 0x9002bd08 _pthread_body + 96
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