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Remove support for LPCNet quantization

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This commit is contained in:
Jean-Marc Valin 2023-06-22 00:44:45 -04:00
parent bfa01f1a1c
commit 247e6a587c
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GPG key ID: 531A52533318F00A
8 changed files with 15 additions and 972 deletions
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50
dnn/dump_data.c
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@ -55,7 +55,7 @@ static void biquad(float *y, float mem[2], const float *x, const float *b, const
}
}
static float uni_rand() {
static float uni_rand(void) {
return rand()/(double)RAND_MAX-.5;
}
@ -135,9 +135,6 @@ int main(int argc, char **argv) {
LPCNetEncState *st;
float noise_std=0;
int training = -1;
int encode = 0;
int decode = 0;
int quantize = 0;
int burg = 0;
srand(getpid());
st = lpcnet_encoder_create();
@ -151,24 +148,7 @@ int main(int argc, char **argv) {
training = 0;
}
if (argc == 5 && strcmp(argv[1], "-train")==0) training = 1;
if (argc == 5 && strcmp(argv[1], "-qtrain")==0) {
training = 1;
quantize = 1;
}
if (argc == 4 && strcmp(argv[1], "-test")==0) training = 0;
if (argc == 4 && strcmp(argv[1], "-qtest")==0) {
training = 0;
quantize = 1;
}
if (argc == 4 && strcmp(argv[1], "-encode")==0) {
training = 0;
quantize = 1;
encode = 1;
}
if (argc == 4 && strcmp(argv[1], "-decode")==0) {
training = 0;
decode = 1;
}
if (training == -1) {
fprintf(stderr, "usage: %s -train <speech> <features out> <pcm out>\n", argv0);
fprintf(stderr, " or %s -test <speech> <features out>\n", argv0);
@ -184,23 +164,6 @@ int main(int argc, char **argv) {
fprintf(stderr,"Error opening output feature file: %s\n", argv[3]);
exit(1);
}
if (decode) {
float vq_mem[NB_BANDS] = {0};
while (1) {
int ret;
unsigned char buf[8];
float features[4][NB_TOTAL_FEATURES];
/*int c0_id, main_pitch, modulation, corr_id, vq_end[3], vq_mid, interp_id;*/
/*ret = fscanf(f1, "%d %d %d %d %d %d %d %d %d\n", &c0_id, &main_pitch, &modulation, &corr_id, &vq_end[0], &vq_end[1], &vq_end[2], &vq_mid, &interp_id);*/
ret = fread(buf, 1, 8, f1);
if (ret != 8) break;
decode_packet(features, vq_mem, buf);
for (i=0;i<4;i++) {
fwrite(features[i], sizeof(float), NB_TOTAL_FEATURES, ffeat);
}
}
return 0;
}
if (training) {
fpcm = fopen(argv[4], "wb");
if (fpcm == NULL) {
@ -279,18 +242,11 @@ int main(int argc, char **argv) {
compute_noise(&noisebuf[st->pcount*FRAME_SIZE], noise_std);
}
if (!quantize) {
process_single_frame(st, ffeat);
if (fpcm) write_audio(st, pcm, &noisebuf[st->pcount*FRAME_SIZE], fpcm, 1);
}
process_single_frame(st, ffeat);
if (fpcm) write_audio(st, pcm, &noisebuf[st->pcount*FRAME_SIZE], fpcm, 1);
st->pcount++;
/* Running on groups of 4 frames. */
if (st->pcount == 4) {
if (quantize) {
unsigned char buf[8];
process_superframe(st, buf, ffeat, encode, quantize);
if (fpcm) write_audio(st, pcmbuf, noisebuf, fpcm, 4);
}
st->pcount = 0;
}
/*if (fpcm) fwrite(pcm, sizeof(short), FRAME_SIZE, fpcm);*/