I can confirm this for our OB based mod. The MP3 leaks memory but the WAV does not.
This is really bad, our sound guy is not very happy to use WAV for everything. Do we have an official bug report for this? On Sun, Jul 12, 2009 at 5:52 PM, Justin Krenz <[email protected]> wrote: > MP3s don't appear to be cached. In my mod, we played the same MP3 > sound effect over and over, and it eventually caused the client to > crash with an out of memory error. When memory gets full, the console > reports that the MP3 can't be found on disk. Then, if something tries > to allocate memory or the level changes, it crashes. > > Playing the MP3 sound effect in my mod used up about 100 K at a time. > I think it's probably related to how big the MP3 file is. Run your > mod in a window with task manager open, and watch how memory changes > for HL2. That's how I found the source of the leak. Memory should be > stable while your mod is running. Perform all of the actions that > might normally occur in your mod while watching memory. See if you > can find an action that consistently causes memory to increase. > > On Sun, Jul 12, 2009 at 8:57 AM, Brent Lewis<[email protected]> wrote: > > > > Have you produced an out of memory error by playing the same mp3 again > and again? Just curious if maybe it's being cached. > > > >> Date: Sun, 12 Jul 2009 13:25:19 +0200 > >> From: [email protected] > >> To: [email protected] > >> Subject: Re: [hlcoders] Engine Memory Leak > >> > >> How bad is it? How much memory is lost for each call? We are chasing > memory > >> leaks in our mod at the moment and are playing mp3 sounds file at level > >> changes. > >> > >> > >> On Mon, Jul 6, 2009 at 12:19 AM, Justin Krenz <[email protected]> wrote: > >> > >> > I just discovered the source of a memory leak in my mod, Smashball. > >> > It appears that if you call EmitSound using an MP3 sound file, memory > >> > is allocated and never returned. Specifically, > >> > "enginesound->EmitSound(...)" ( /game/shared/SoundEmitterSystem.cpp > >> > line 460 ) is the function that allocates the memory. Thus, if you > >> > play an MP3 over and over, it will eventually cause HL2 to run out of > >> > memory. When playing a wave file, no memory is allocated via > >> > EmitSound. > >> > > >> > _______________________________________________ > >> > To unsubscribe, edit your list preferences, or view the list archives, > >> > please visit: > >> > http://list.valvesoftware.com/mailman/listinfo/hlcoders > >> > > >> > > >> _______________________________________________ > >> To unsubscribe, edit your list preferences, or view the list archives, > please visit: > >> http://list.valvesoftware.com/mailman/listinfo/hlcoders > >> > > _______________________________________________ > > To unsubscribe, edit your list preferences, or view the list archives, > please visit: > > http://list.valvesoftware.com/mailman/listinfo/hlcoders > > > > > > _______________________________________________ > To unsubscribe, edit your list preferences, or view the list archives, > please visit: > http://list.valvesoftware.com/mailman/listinfo/hlcoders > > _______________________________________________ To unsubscribe, edit your list preferences, or view the list archives, please visit: http://list.valvesoftware.com/mailman/listinfo/hlcoders
