al_create_sample(3)                                        al_create_sample(3)

NAME
       al_create_sample - Allegro 5 API

SYNOPSIS

              #include <allegro5/allegro_audio.h>

              ALLEGRO_SAMPLE *al_create_sample(void *buf, unsigned int samples,
                 unsigned int freq, ALLEGRO_AUDIO_DEPTH depth,
                 ALLEGRO_CHANNEL_CONF chan_conf, bool free_buf)


DESCRIPTION
       Create a sample data structure from the supplied buffer.  If free_buf
       is true then the buffer will be freed with al_free(3) when the sample
       data structure is destroyed.  For portability (especially Windows), the
       buffer should have been allocated with al_malloc(3).  Otherwise you
       should free the sample data yourself.

       A sample that is referred to by the samples parameter refers to a
       sequence channel intensities.  E.g.  if you're making a stereo sample
       with the samples set to 4, then the layout of the data in buf will be:


              LRLRLRLR


       Where L and R are the intensities for the left and right channels
       respectively.  A single sample, then, refers to the LR pair in this
       example.

       To allocate a buffer of the correct size, you can use something like
       this:


              int sample_size = al_get_channel_count(chan_conf)
                                * al_get_audio_depth_size(depth);
              int bytes = samples * sample_size;
              void *buffer = al_malloc(bytes);


SEE ALSO
       al_destroy_sample(3), ALLEGRO_AUDIO_DEPTH(3), ALLEGRO_CHANNEL_CONF(3)

Allegro reference manual                                   al_create_sample(3)