First version of wav2c is ready.

pull/98/head
Holger Wirtz 3 years ago
parent a18fe8f830
commit b5bf0edfb4
  1. 23
      addon/SD/drm/convertwav.sh
  2. 91
      addon/tools/wav2c.sh

@ -1,23 +0,0 @@
#!/bin/bash
WAV2SKETCH="${HOME}/Arduino-Teensy/MicroDexed/third-party/wav2sketch"
if [ ! -e "${WAV2SKETCH}" ]
then
gcc "${HOME}/Arduino-Teensy/MicroDexed/third-party/wav2sketch.c" -o "${WAV2SKETCH}"
chmod 700 "${WAV2SKETCH}"
fi
"${WAV2SKETCH}" -16
rm *.h
rm -f drumset.h
touch drumset.h
for i in `ls -1 *.cpp`
do
echo "# ${i}" >> drumset.h
cat "${i}" | grep '^[A-Za-z0-9]' >> drumset.h
echo "" >> drumset.h
rm "${i}"
done

@ -11,6 +11,7 @@ XXD=`which xxd`
TMP="/tmp/wav2c" TMP="/tmp/wav2c"
AUDIO_BLOCK_SIZE=128 AUDIO_BLOCK_SIZE=128
DRUMSET_H="drumset.h" DRUMSET_H="drumset.h"
DRUMS_H="drums.h"
function cleanexit() function cleanexit()
{ {
@ -78,6 +79,64 @@ fi
mkdir -p "${TMP}" mkdir -p "${TMP}"
rm -f "${DRUMSET_H}" rm -f "${DRUMSET_H}"
touch drumset.h
rm -f "${DRUMS_H}"
cat >> "${DRUMS_H}" << EOF
/*
MicroDexed
MicroDexed is a port of the Dexed sound engine
Dexed ist heavily based on https://github.com/google/music-synthesizer-for-an
droid
(c)2018-2021 H. Wirtz <wirtz@parasitstudio.de>
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
THE SOFTWARE.
*/
#include <Arduino.h>
#include "config.h"
#include "drumset.h"
#ifndef _DRUMS_H
#define _DRUMS_H
typedef struct drum_config_s {
uint8_t drum_class; // Type of drum
uint8_t midinote; // Triggered by note
char name[DRUM_NAME_LEN];
const unsigned int* drum_data;
char shortname[2]; // 1 char name for sequencer
uint32_t len; // number of elements in drum_data
float32_t pitch; //
float32_t pan; // Panorama (-1.0 - +1.0)
float32_t vol_max; // max. Volume (0.0 - 1.0)
float32_t vol_min; // min. Volume (0.0 - 1.0, should be <= vol_max)
float32_t reverb_send; // how much signal to send to the reverb (0.0 - 1.0)
} drum_config_t;
enum {DRUM_NONE, DRUM_BASS, DRUM_SNARE, DRUM_HIHAT, DRUM_HANDCLAP, DRUM_RIDE, DRUM_CHRASH, DRUM_LOWTOM, DRUM_MIDTOM, DRUM_HIGHTOM, DRUM_PERCUSSION};
// DEFAULT MIDI CHANNEL FOR SAMPLEDRUMS
uint8_t drum_midi_channel = 10;
drum_config_t drum_config[NUM_DRUMSET_CONFIG] =
{
EOF
while IFS= read -r l while IFS= read -r l
do do
@ -90,7 +149,7 @@ do
IFS=',' read -ra samplecfg <<< "${l}" IFS=',' read -ra samplecfg <<< "${l}"
sample['class']="${samplecfg[0]}" sample['class']="${samplecfg[0]}"
sample['midi_note']="${samplecfg[1]}" sample['midinote']="${samplecfg[1]}"
sample['name']="${samplecfg[2]}" sample['name']="${samplecfg[2]}"
sample['shortname']="${samplecfg[3]}" sample['shortname']="${samplecfg[3]}"
sample['pitch']="${samplecfg[4]}" sample['pitch']="${samplecfg[4]}"
@ -105,12 +164,17 @@ do
file "${WAV_DIR}/${sample['filename']}" | grep -i -q "WAVE audio" file "${WAV_DIR}/${sample['filename']}" | grep -i -q "WAVE audio"
if [ "${?}" == 0 ] if [ "${?}" == 0 ]
then then
# Generate drumset.h
basename=`echo "${sample['filename']}" | cut -d'.' -f1` basename=`echo "${sample['filename']}" | cut -d'.' -f1`
sox "${WAV_DIR}/${sample['filename']}" -c 1 -b 16 -L "${TMP}/${basename}.raw" sox "${WAV_DIR}/${sample['filename']}" -c 1 -b 16 -L "${TMP}/${basename}.raw"
xxd -i "${TMP}/${basename}.raw" > "${TMP}/${basename}.h" xxd -i "${TMP}/${basename}.raw" > "${TMP}/${basename}.h"
sample['len']=`grep "^unsigned int" "${TMP}/${basename}.h" | cut -d"=" -f2 | sed 's/\s*\([0-9]\+\);/\1/'` sample['len']=`grep "^unsigned int" "${TMP}/${basename}.h" | cut -d"=" -f2 | sed 's/\s*\([0-9]\+\);/\1/'`
fill=`expr "${sample['len']}" % "${AUDIO_BLOCK_SIZE}"` fill_mod=`expr "${sample['len']}" % "${AUDIO_BLOCK_SIZE}"`
fill=`expr "${AUDIO_BLOCK_SIZE}" - "${fill_mod}"`
sample['len']=`expr "${sample['len']}" + "${fill}"`
echo "// Converted from ${sample['filename']}, length = ${sample['len']} bytes" >> "${DRUMSET_H}"
echo "PROGMEM const int8_t ${sample['name']}[] = {" >> "${DRUMSET_H}" echo "PROGMEM const int8_t ${sample['name']}[] = {" >> "${DRUMSET_H}"
grep "^ " "${TMP}/${basename}.h" >> "${DRUMSET_H}" grep "^ " "${TMP}/${basename}.h" >> "${DRUMSET_H}"
@ -132,8 +196,31 @@ do
done done
fi fi
echo "};" >> /tmp/b echo "};" >> /tmp/b
# Generate drums.h
cat >> "${DRUMS_H}" << EOF
{
${sample[class]},
${sample[midinote]},
"${sample[name]}",
${sample[name]},
"${sample[shortname]}",
${sample[len]},
${sample[pitch]},
${sample[pan]},
${sample[vol_max]},
${sample[vol_min]},
${sample[reverb_send]}
},
EOF
fi fi
else else
echo "File \'${WAV_DIR}/${sample['filename']}\' does not exits." >&2 echo "File \'${WAV_DIR}/${sample['filename']}\' does not exits." >&2
fi fi
done < "${CONFIG}" done < "${CONFIG}"
cat >> "${DRUMS_H}" << EOF
};
#endif
EOF

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