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audioconvert: use constants for the gap modes

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This commit is contained in:
Wim Taymans 2026-06-19 10:03:15 +02:00
parent b21cad1eab
commit 8c9b0b19d8
1 changed files with 18 additions and 13 deletions
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31
spa/plugins/audioconvert/gaps-ops-c.c
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@ -12,6 +12,11 @@
# define M_PIf 3.14159265358979323846f /* pi */ # define M_PIf 3.14159265358979323846f /* pi */
#endif #endif
#define MODE_ZERO 0
#define MODE_NORMAL 1
#define MODE_FADE_IN 2
#define MODE_FADE_OUT 3
static int run_gap_check(struct gaps *gaps, uint32_t c, const float * SPA_RESTRICT src[], uint32_t n_samples, static int run_gap_check(struct gaps *gaps, uint32_t c, const float * SPA_RESTRICT src[], uint32_t n_samples,
bool *empty) bool *empty)
{ {
@ -36,14 +41,14 @@ static int run_gap_check(struct gaps *gaps, uint32_t c, const float * SPA_RESTRI
} else { } else {
tail_filled = head_filled; tail_filled = head_filled;
} }
if (s->mode == 1 && head_filled && tail_filled) { if (s->mode == MODE_NORMAL && head_filled && tail_filled) {
/* in normal mode and head and tail seem to have data */ /* in normal mode and head and tail seem to have data */
if (n_samples > 0) if (n_samples > 0)
s->history[0] = in[n_samples-1]; s->history[0] = in[n_samples-1];
*empty = false; *empty = false;
return 0; return 0;
} }
else if (s->mode == 0 && !tail_filled && !head_filled) { else if (s->mode == MODE_ZERO && !tail_filled && !head_filled) {
/* zero mode and head and tail seem to be empty */ /* zero mode and head and tail seem to be empty */
return 0; return 0;
} }
@ -57,10 +62,10 @@ static int run_gap_check_ramp(struct gaps *gaps, uint32_t c, const float * SPA_R
struct gaps_state *s = &gaps->states[c]; struct gaps_state *s = &gaps->states[c];
const float *in = src[c]; const float *in = src[c];
if (s->mode == 0) if (s->mode == MODE_ZERO)
s->mode = 1; s->mode = MODE_NORMAL;
if (s->mode == 1) { if (s->mode == MODE_NORMAL) {
/* in normal mode remember last sample */ /* in normal mode remember last sample */
if (n_samples > 0) if (n_samples > 0)
s->history[0] = in[n_samples-1]; s->history[0] = in[n_samples-1];
@ -97,23 +102,23 @@ static void run_gap_fix(struct gaps *gaps, uint32_t c, float * SPA_RESTRICT dst[
for (n = 0; n < n_samples; n++) { for (n = 0; n < n_samples; n++) {
bool is_zero = in[n] == 0.0f; bool is_zero = in[n] == 0.0f;
if (s->mode == 0) { if (s->mode == MODE_ZERO) {
/* zero mode */ /* zero mode */
if (!is_zero) { if (!is_zero) {
/* gap ended, move to fade-in mode */ /* gap ended, move to fade-in mode */
s->mode = gaps->gap ? 2 : 1; s->mode = gaps->gap ? MODE_FADE_IN : MODE_NORMAL;
s->count = 0; s->count = 0;
} else { } else {
out[n] = 0.0f; out[n] = 0.0f;
} }
} }
else if (s->mode == 1) { else if (s->mode == MODE_NORMAL) {
out[n] = in[n]; out[n] = in[n];
/* normal mode, finding gaps */ /* normal mode, finding gaps */
if (is_zero && gaps->gap > 0) { if (is_zero && gaps->gap > 0) {
if (++s->count >= gaps->gap) { if (++s->count >= gaps->gap) {
n -= SPA_MIN(s->count, n); n -= SPA_MIN(s->count, n);
s->mode = 3; s->mode = MODE_FADE_OUT;
s->count = 0; s->count = 0;
} }
} else { } else {
@ -122,7 +127,7 @@ static void run_gap_fix(struct gaps *gaps, uint32_t c, float * SPA_RESTRICT dst[
s->history[0] = in[n]; s->history[0] = in[n];
} }
} }
if (s->mode == 2) { if (s->mode == MODE_FADE_IN) {
/* fade-in mode */ /* fade-in mode */
if (s->count == 0) if (s->count == 0)
spa_log_info(gaps->log, "%p start %d fade-in %d", gaps, c, n); spa_log_info(gaps->log, "%p start %d fade-in %d", gaps, c, n);
@ -131,12 +136,12 @@ static void run_gap_fix(struct gaps *gaps, uint32_t c, float * SPA_RESTRICT dst[
if (++s->count >= gaps->duration) { if (++s->count >= gaps->duration) {
/* fade in complete, back to normal mode */ /* fade in complete, back to normal mode */
s->mode = 1; s->mode = MODE_NORMAL;
s->count = 0; s->count = 0;
spa_log_debug(gaps->log, "%p stop %d fade-in %d", gaps, c, n); spa_log_debug(gaps->log, "%p stop %d fade-in %d", gaps, c, n);
} }
} }
else if (s->mode == 3) { else if (s->mode == MODE_FADE_OUT) {
/* fade-out mode */ /* fade-out mode */
if (s->count == 0) if (s->count == 0)
spa_log_info(gaps->log, "%p start %d fade-out %f %d", spa_log_info(gaps->log, "%p start %d fade-out %f %d",
@ -146,7 +151,7 @@ static void run_gap_fix(struct gaps *gaps, uint32_t c, float * SPA_RESTRICT dst[
if (++s->count >= gaps->duration) { if (++s->count >= gaps->duration) {
/* fade out complete, go to zero mode */ /* fade out complete, go to zero mode */
s->mode = gaps->gap ? 0 : 1; s->mode = gaps->gap ? MODE_ZERO : MODE_NORMAL;
s->count = 0; s->count = 0;
spa_log_debug(gaps->log, "%p stop %d fade-out %d", gaps, c, n); spa_log_debug(gaps->log, "%p stop %d fade-out %d", gaps, c, n);
} }