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Commit 976729dc authored by Jean-Marc Valin's avatar Jean-Marc Valin
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Fix minor bug in dynamic programming pitch search

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with 3 additions and 3 deletions
dnn/lpcnet_enc.c
+ 3
− 3
View file @ 976729dc
......@@ -587,7 +587,7 @@ void process_superframe(LPCNetEncState *st, unsigned char *buf, FILE *ffeat, int
float max_prev;
max_prev = st->pitch_max_path_all - 6.f;
pitch_prev[sub][i] = st->best_i;
for (j=IMIN(0, 4-i);j<=4 && i+j<PITCH_MAX_PERIOD-PITCH_MIN_PERIOD;j++) {
for (j=IMAX(-4, -i);j<=4 && i+j<PITCH_MAX_PERIOD-PITCH_MIN_PERIOD;j++) {
if (st->pitch_max_path[0][i+j] - .02f*abs(j)*abs(j) > max_prev) {
max_prev = st->pitch_max_path[0][i+j] - .02f*abs(j)*abs(j);
pitch_prev[sub][i] = i+j;
......@@ -733,7 +733,7 @@ void process_multi_frame(LPCNetEncState *st, FILE *ffeat) {
float max_prev;
max_prev = st->pitch_max_path_all - 6.f;
pitch_prev[sub][i] = st->best_i;
for (j=IMIN(0, 4-i);j<=4 && i+j<PITCH_MAX_PERIOD-PITCH_MIN_PERIOD;j++) {
for (j=IMAX(-4, -i);j<=4 && i+j<PITCH_MAX_PERIOD-PITCH_MIN_PERIOD;j++) {
if (st->pitch_max_path[0][i+j] - .02f*abs(j)*abs(j) > max_prev) {
max_prev = st->pitch_max_path[0][i+j] - .02f*abs(j)*abs(j);
pitch_prev[sub][i] = i+j;
......@@ -801,7 +801,7 @@ void process_single_frame(LPCNetEncState *st, FILE *ffeat) {
float max_prev;
max_prev = st->pitch_max_path_all - 6.f;
pitch_prev[sub][i] = st->best_i;
for (j=IMIN(0, 4-i);j<=4 && i+j<PITCH_MAX_PERIOD-PITCH_MIN_PERIOD;j++) {
for (j=IMAX(-4, -i);j<=4 && i+j<PITCH_MAX_PERIOD-PITCH_MIN_PERIOD;j++) {
if (st->pitch_max_path[0][i+j] - .02f*abs(j)*abs(j) > max_prev) {
max_prev = st->pitch_max_path[0][i+j] - .02f*abs(j)*abs(j);
pitch_prev[sub][i] = i+j;
......
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