I did something really ugly and stupid... I set the output buffer to 20 msec so

that Pd could do long-lasting control operations without interrupting audio.

Then I set a metronome to go off at exactly 2048-sample intervals, at each of

which I filled an array progressively from a file and started a tabplay~ object at

the same instant.  This works only with short files since the SD card filesystem

"seeks" by reading through the entire file every time - but you can still play long

sounds in principle by splitting them up into many short ones, each one an exact

multiple of 2048 samples long.

Here's my patch, enjoy :)

#N canvas 207 195 905 534 12; #X obj 257 421 soundfiler; #X obj 53 351 dac~ 1; #X obj 47 165 r a; #X obj 52 326 *~; #X obj 232 13 loadbang; #X obj 72 295 tabplay~ sample0; #X msg 336 333 symbol /sdcard; #X obj 232 38 t b b; #X obj 532 82 r p; #X obj 532 109 unpack 0 0 0; #X msg 290 135 tempo 1 samp; #X obj 306 211 + 1; #X obj 277 211 f 0; #X obj 266 237 moses; #X msg 356 177 0; #X obj 470 110 t b b f; #X msg 160 127 50; #X msg 391 135 1; #X obj 258 307 +; #X obj 266 262 t b f; #X obj 257 368 pack 0 0 s; #X obj 52 213 line~; #X obj 52 238 *~; #X obj 52 263 *~ 0.0001; #X obj 554 366 s pd; #X msg 495 256 0; #X msg 554 342 dsp $1; #X msg 524 256 1; #X msg 257 395 read -skip $1 $3/$2-foo.wav sample0; #X obj 277 177 metro 2048; #X obj 424 27 array define sample0 2048; #X obj 258 333 * 2048; #X connect 2 0 21 0; #X connect 3 0 1 0; #X connect 4 0 7 0; #X connect 5 0 3 1; #X connect 6 0 20 2; #X connect 7 1 16 0; #X connect 7 1 10 0; #X connect 7 1 6 0; #X connect 7 1 29 0; #X connect 8 0 9 0; #X connect 9 0 15 0; #X connect 9 1 18 1; #X connect 9 2 13 1; #X connect 10 0 29 0; #X connect 11 0 12 1; #X connect 12 0 11 0; #X connect 12 0 13 0; #X connect 13 0 19 0; #X connect 13 1 25 0; #X connect 14 0 12 1; #X connect 15 0 17 0; #X connect 15 0 27 0; #X connect 15 1 14 0; #X connect 15 2 20 1; #X connect 16 0 21 0; #X connect 17 0 29 0; #X connect 18 0 31 0; #X connect 19 0 5 0; #X connect 19 1 18 0; #X connect 20 0 28 0; #X connect 21 0 22 0; #X connect 21 0 22 1; #X connect 22 0 23 0; #X connect 23 0 3 0; #X connect 25 0 26 0; #X connect 26 0 24 0; #X connect 27 0 26 0; #X connect 28 0 0 0; #X connect 29 0 12 0; #X connect 31 0 20 0;

On 11/25/23 12:35, Yogi data wrote:

Hello,

after watching a video of a talk given by Mille Puckette at "laboratoire STMS" about "espd" ,which is an adaptation of pd for esp32, I decided to give it a try.

I already have a set of 10 esp32 playing sounds from sdcard, using the "arduino-audio-tools library", I monitor esp32's states and trigger samples from my computer using pure data, via wifi. But I would prefer to be able to prototype using pd.

The "espd" project compiled nicely, I can upload patches through wifi to my esp32 and all works just fine.

But, I couldn't find a way of playing samples, like Miller used it to make did in an art  installation so I guess it is possible.

My question is : has anyone who has used espd a clue or an example patch showing the usage ?

( I only tried using readsf~ )

Cheers

Yog

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