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[mod_avmd] Fix scan-build 14

This commit is contained in:
Jakub Karolczyk 2024-04-26 12:58:44 +00:00
parent d5ad504723
commit 597ee613de
1 changed files with 11 additions and 9 deletions
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20
src/mod/applications/mod_avmd/mod_avmd.c
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@ -2130,9 +2130,7 @@ static enum avmd_detection_mode avmd_process_sample(avmd_session_t *s, circ_buff
sma_buffer_t *sqa_amp_b = &buffer->sqa_amp_b; sma_buffer_t *sqa_amp_b = &buffer->sqa_amp_b;
if (sample_to_skip_n > 0) { if (sample_to_skip_n > 0) {
sample_to_skip_n--;
valid_amplitude = 0;
valid_omega = 0;
return AVMD_DETECT_NONE; return AVMD_DETECT_NONE;
} }
@ -2145,14 +2143,14 @@ static enum avmd_detection_mode avmd_process_sample(avmd_session_t *s, circ_buff
RESET_SMA_BUFFER(sma_amp_b); RESET_SMA_BUFFER(sma_amp_b);
RESET_SMA_BUFFER(sqa_amp_b); RESET_SMA_BUFFER(sqa_amp_b);
buffer->samples_streak_amp = s->settings.sample_n_continuous_streak_amp; buffer->samples_streak_amp = s->settings.sample_n_continuous_streak_amp;
sample_to_skip_n = s->settings.sample_n_to_skip;
} }
} else { } else {
if (ISINF(amplitude)) { if (ISINF(amplitude)) {
amplitude = buffer->amplitude_max; amplitude = buffer->amplitude_max;
} }
if (valid_amplitude == 1) { if (valid_amplitude == 1) {
APPEND_SMA_VAL(sma_amp_b, amplitude); /* append amplitude */ APPEND_SMA_VAL(sma_amp_b, amplitude); /* append amplitude */
APPEND_SMA_VAL(sqa_amp_b, amplitude * amplitude); APPEND_SMA_VAL(sqa_amp_b, amplitude * amplitude);
if (s->settings.require_continuous_streak_amp == 1) { if (s->settings.require_continuous_streak_amp == 1) {
if (buffer->samples_streak_amp > 0) { if (buffer->samples_streak_amp > 0) {
@ -2161,6 +2159,7 @@ static enum avmd_detection_mode avmd_process_sample(avmd_session_t *s, circ_buff
} }
} }
} }
if (sma_amp_b->sma > buffer->amplitude_max) { if (sma_amp_b->sma > buffer->amplitude_max) {
buffer->amplitude_max = sma_amp_b->sma; buffer->amplitude_max = sma_amp_b->sma;
} }
@ -2176,9 +2175,7 @@ static enum avmd_detection_mode avmd_process_sample(avmd_session_t *s, circ_buff
RESET_SMA_BUFFER(sma_b_fir); RESET_SMA_BUFFER(sma_b_fir);
RESET_SMA_BUFFER(sqa_b_fir); RESET_SMA_BUFFER(sqa_b_fir);
buffer->samples_streak = s->settings.sample_n_continuous_streak; buffer->samples_streak = s->settings.sample_n_continuous_streak;
sample_to_skip_n = s->settings.sample_n_to_skip;
} }
sample_to_skip_n = s->settings.sample_n_to_skip;
} else if (omega < -0.99999 || omega > 0.99999) { } else if (omega < -0.99999 || omega > 0.99999) {
valid_omega = 0; valid_omega = 0;
if (s->settings.require_continuous_streak == 1) { if (s->settings.require_continuous_streak == 1) {
@ -2187,7 +2184,6 @@ static enum avmd_detection_mode avmd_process_sample(avmd_session_t *s, circ_buff
RESET_SMA_BUFFER(sma_b_fir); RESET_SMA_BUFFER(sma_b_fir);
RESET_SMA_BUFFER(sqa_b_fir); RESET_SMA_BUFFER(sqa_b_fir);
buffer->samples_streak = s->settings.sample_n_continuous_streak; buffer->samples_streak = s->settings.sample_n_continuous_streak;
sample_to_skip_n = s->settings.sample_n_to_skip;
} }
} else { } else {
if (valid_omega) { if (valid_omega) {
@ -2216,20 +2212,26 @@ static enum avmd_detection_mode avmd_process_sample(avmd_session_t *s, circ_buff
if (((mode == AVMD_DETECT_AMP) || (mode == AVMD_DETECT_BOTH)) && (valid_amplitude == 1)) { if (((mode == AVMD_DETECT_AMP) || (mode == AVMD_DETECT_BOTH)) && (valid_amplitude == 1)) {
v_amp = sqa_amp_b->sma - (sma_amp_b->sma * sma_amp_b->sma); /* calculate variance of amplitude (biased estimator) */ v_amp = sqa_amp_b->sma - (sma_amp_b->sma * sma_amp_b->sma); /* calculate variance of amplitude (biased estimator) */
if ((mode == AVMD_DETECT_AMP) && (avmd_decision_amplitude(s, buffer, v_amp, AVMD_AMPLITUDE_RSD_THRESHOLD) == 1)) { if ((mode == AVMD_DETECT_AMP) && (avmd_decision_amplitude(s, buffer, v_amp, AVMD_AMPLITUDE_RSD_THRESHOLD) == 1)) {
return AVMD_DETECT_AMP; return AVMD_DETECT_AMP;
} }
} }
if (((mode == AVMD_DETECT_FREQ) || (mode == AVMD_DETECT_BOTH)) && (valid_omega == 1)) { if (((mode == AVMD_DETECT_FREQ) || (mode == AVMD_DETECT_BOTH)) && (valid_omega == 1)) {
v_fir = sqa_b_fir->sma - (sma_b_fir->sma * sma_b_fir->sma); /* calculate variance of filtered samples */ v_fir = sqa_b_fir->sma - (sma_b_fir->sma * sma_b_fir->sma); /* calculate variance of filtered samples */
if ((mode == AVMD_DETECT_FREQ) && (avmd_decision_freq(s, buffer, v_fir, AVMD_VARIANCE_RSD_THRESHOLD) == 1)) { if ((mode == AVMD_DETECT_FREQ) && (avmd_decision_freq(s, buffer, v_fir, AVMD_VARIANCE_RSD_THRESHOLD) == 1)) {
return AVMD_DETECT_FREQ; return AVMD_DETECT_FREQ;
} }
if (mode == AVMD_DETECT_BOTH) { if (mode == AVMD_DETECT_BOTH) {
if ((avmd_decision_amplitude(s, buffer, v_amp, AVMD_AMPLITUDE_RSD_THRESHOLD) == 1) && (avmd_decision_freq(s, buffer, v_fir, AVMD_VARIANCE_RSD_THRESHOLD) == 1)) { if ((avmd_decision_amplitude(s, buffer, v_amp, AVMD_AMPLITUDE_RSD_THRESHOLD) == 1) && (avmd_decision_freq(s, buffer, v_fir, AVMD_VARIANCE_RSD_THRESHOLD) == 1)) {
return AVMD_DETECT_BOTH; return AVMD_DETECT_BOTH;
} }
} }
} }
return AVMD_DETECT_NONE; return AVMD_DETECT_NONE;
} }