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| al_destroy_sample crash |
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Trenchman
Member #11,670
February 2010
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I'm having an issue when I try to destroy an audio sample. I create and load the sample in a class. It plays just fine, but for some reason the program crashes when the destructor tries to destroy the sample. Here's how my code is generally setup. 1Class Player{
2public:
3 player(){
4 image1 = al_load_image("Assets/Image1.png");
5 image2 = al_load_image("Assets/Image2.png");
6 if(!image1){
7 Error handling code
8 }
9 if(!image2){
10 Error handling code
11 }
12
13 audio_fireball = al_load_sample("Assets/fireball.ogg");
14 if(!audio_fireball){
15 Error handling code
16 }
17 }
18
19 ~player(){
20 al_destroy_bitmap(image1);
21 al_destroy_bitmap(image2);
22 std::cout << "Destroyed Images" << std::endl; //just used to test the error
23
24 al_destroy_sample(audio_fireball);
25 std::cout << "Destroyed Sample" << std::endl; //Also to test error
26 }
27
28private:
29
30 ALLEGRO_BITMAP *image1 = NULL;
31 ALLEGRO_BITMAP *image2 = NULL;
32
33 ALLEGRO_SAMPLE *audio_fireball = NULL;
34
35}
The cout after destroying the bitmaps displays, but the cout after the sample doesn't. I also did a al_is_audio_installed check right before trying to destroy the sample and it returned true.
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Niunio
Member #1,975
March 2002
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What do you mean with "crash"? Does it return an error message? Did you try to debug it (i.e. GDB)? ----------------- |
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Polybios
Member #12,293
October 2010
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Does your Player class happen to be instantiated as a global? |
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Chris Katko
Member #1,881
January 2002
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Polybios said: Does your Player class happen to be instantiated as a global? To add to that. If it is, it'll attempt to call Allegro functions... before Allegro is initialized = boom. -----sig: |
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Polybios
Member #12,293
October 2010
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Yeah, that's true. I probably should have said "could have something to do with order of destruction". |
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Trenchman
Member #11,670
February 2010
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I suppose I should also mention I'm using allegro 5.0.10 on a windows PC and building with Code:Blocks and MinGW. It gives me an error window, and returns -1073741819. I create the instance inside the main function after all of the Allegro initialization is finished. Everything seems to work fine, and destroying the images I've loaded works fine. Just when I try to destroy the sample it crashes. Edit:
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