Hi I'm creating a qt movie player that will play movies in a
QTMovieLayer from a simple playlist
When running the application with Instruments using the Leaks
template, it appears the function
[QTMovie idleAllMovies] is leaking memory. This is the stacktrace from
Instruments
0 CoreFoundation __CFDictionaryGrow
1 CoreFoundation CFDictionaryCreateMutableCopy
2 QuickTime ICMDecompressionSessionCreateForVisualContext
3 0x9475a2d7
4 0x94765533
5 0x947667c4
6 0x947672da
7 0x947684b7
8 0x9476a0df
9 CarbonCore CallComponentFunctionCommon
10 0x94758fd5
11 CarbonCore CallComponentDispatch
12 QuickTime MediaMoviesTask
13 QuickTime TaskMovie_priv
14 0x9481ae78
15 0x948294dc
16 0x9481acf7
17 0x948162b1
18 CarbonCore CallComponentDispatch
19 QuickTime MCIdle
20 QuickTime QTOMovieObject::SendCommand(unsigned long, void const*)
21 QuickTime DispatchQTMsg(void const*, unsigned long, unsigned long,
unsigned long, QTOGenericObject*)
22 QuickTime QTObjectTokenPriv::SendMessageToObject(QTMessagePriv*,
unsigned long)
23 QuickTime QTObjectTokenPriv::DispatchMessage(QTMessagePriv*, void
const*, __CFAllocator const*, unsigned long, unsigned long,
ComponentMsgParam*, unsigned long, unsigned long)
24 QuickTime QTSendToObject
25 QTKit QTObjectTokenExecuteCommand
26 QTKit -[QTMovie idle]
27 CoreFoundation CFSetApplyFunction
28 QTKit +[QTMovie idleAllMovies:]
29 Foundation __NSFireTimer
30 CoreFoundation CFRunLoopRunSpecific
31 CoreFoundation CFRunLoopRunInMode
32 HIToolbox RunCurrentEventLoopInMode
33 HIToolbox ReceiveNextEventCommon
34 HIToolbox BlockUntilNextEventMatchingListInMode
35 AppKit _DPSNextEvent
36 AppKit -[NSApplication
nextEventMatchingMask:untilDate:inMode:dequeue:]
37 AppKit -[NSApplication run]
38 AppKit NSApplicationMain
And this leaks 64 bytes of memory. Is there something I'm not doing
correctly.
I'm only using the QTKit framework for loading the movies and placing
them in the movielayer
directly, so no under the hood Carbon calls. Is there some missing
function to call after the
movie has finished playing?
Freddie Tilley
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