/* fplay_open
*
* Prepare the ILDA player to play a given file.
*/
int fplay_open(const char * fname) {
FRESULT res = f_open(&fplay_file, fname, FA_READ);
if (res) {
outputf("ild_play: no file: %d", res);
return -1;
}
ilda_reset_file();
return 0;
}
void playback_refill() {
dac_point_t *ptr = 0;
int i;
int dlen = dac_request(&ptr);
/* Have we underflowed? */
if (dlen < 0) {
if (le_get_state() != LIGHTENGINE_READY)
return;
outputf("*U*");
dac_prepare();
return;
}
/* If we don't have any more room... */
if (dlen == 0) {
if (dac_get_state() == DAC_PREPARED)
dac_start();
return;
}
switch (playback_src) {
case SRC_ILDAPLAYER:
if (!(playback_source_flags & ILDA_PLAYER_PLAYING))
break;
outputf("%d", dlen);
i = ilda_read_points(dlen, ptr);
if (i < 0) {
outputf("err: %d", i);
playback_source_flags &= ~ILDA_PLAYER_PLAYING;
} else if (i == 0) {
ilda_reset_file();
if (playback_source_flags & ILDA_PLAYER_REPEAT) {
outputf("rep");
} else {
outputf("done");
/* If the whole file didn't fit in the
* buffer, we may have to start it now. */
dlen = 0;
playback_source_flags &= ~ILDA_PLAYER_PLAYING;
}
} else {
dac_advance(i);
}
break;
default:
panic("bad playback source");
}
/* If the buffer is nearly full, start it up */
if (dlen < 100 && dac_get_state() == DAC_PREPARED)
dac_start();
}
