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| Sound problems |
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YerbiDer
Member #14,021
February 2012
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Here I have a simple part of a code: 1(...)
2ALLEGRO_SAMPLE *song = NULL;
3ALLEGRO_SAMPLE_ID* SWITCH;
4(...)
5song = al_load_sample("DATA/SOUND/GoGo.ogg");
6 if(!song){
7 fprintf(stderr, "failed to create sound 3!\n");
8 }
9(...)
10al_play_sample(song, 0.8, 0, 1, ALLEGRO_PLAYMODE_LOOP, SWITCH);
11(...)
On my laptop it works perfectly. The music plays and stops when it should, but on my PC the game crashes on al_play_sample(). When I delete the sample_id part(or turn off the music by the game menu) it works fine, but i can't stop the music ><". |
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Matthew Leverton
Supreme Loser
January 1999
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ALLEGRO_SAMPLE_ID SWITCH; al_play_sample(song, 0.8, 0, 1, ALLEGRO_PLAYMODE_LOOP, &SWITCH);
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YerbiDer
Member #14,021
February 2012
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Thank you. And can you explain me shortly why it's this way? |
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Matthew Leverton
Supreme Loser
January 1999
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Allegro assumes you have already reserved the space for the sample id, so you need to pass it a pointer that points to a valid block of memory. ALLEGRO_SAMPLE_ID foo; // reserves space ALLEGRO_SAMPLE_ID *fooptr; // points to some arbitrary location
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