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Formatul audio Rockbox
How do you specify a callback for rb->pcm_play_data()?
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Prototipul funcției de apel invers este următorul:
static void my_audio_callback(const void **start, size_t *size);
*start should be set to point to the region of memory where your PCM data is stored (16-bit signed integers), and *size should be the size of this region.
Once you've written your callback, call rb->pcm_play_data(), and enjoy the music!
rb->pcm_play_data(my_audio_callback, NULL, NULL, 0);