al_save_sample - Allegro 5 API
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#include <allegro5/allegro_audio.h>
bool al_save_sample(const char *filename, ALLEGRO_SAMPLE *spl)
Writes a sample into a file. Currently, wav is the only supported format, and
the extension must be “.wav”.
Returns true on success, false on error.
Note: the allegro_audio library does not support any audio
file formats by default. You must use the allegro_acodec addon, or register
your own format handler.
al_save_sample_f(3), al_register_sample_saver(3), al_init_acodec_addon(3)