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Code Issues Releases Activity

avfilter/f_ebur128: move variable declarations to usage site

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This is actually allowed by non-ancient versions of C.
This commit is contained in:
Niklas Haas
2025-06-13 17:04:02 +02:00
parent f362bacd27
commit 4c046517e7
1 changed files with 9 additions and 9 deletions
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18
libavfilter/f_ebur128.c
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@ -652,7 +652,7 @@ void ff_ebur128_filter_channels_c(const EBUR128DSPContext *dsp,
static int filter_frame(AVFilterLink *inlink, AVFrame *insamples)
{
int i, ch, idx_insample, ret;
int ret;
AVFilterContext *ctx = inlink->dst;
EBUR128Context *ebur128 = ctx->priv;
const EBUR128DSPContext *dsp = &ebur128->dsp;
@ -705,7 +705,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *insamples)
}
for (idx_insample = ebur128->idx_insample; idx_insample < nb_samples; idx_insample++) {
for (int idx_insample = ebur128->idx_insample; idx_insample < nb_samples; idx_insample++) {
const int bin_id_400 = ebur128->i400.cache_pos++;
const int bin_id_3000 = ebur128->i3000.cache_pos++;
@ -741,7 +741,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *insamples)
#define COMPUTE_LOUDNESS(m, time) do { \
if (ebur128->i##time.filled) { \
/* weighting sum of the last <time> ms */ \
for (ch = 0; ch < nb_channels; ch++) \
for (int ch = 0; ch < nb_channels; ch++) \
power_##time += ebur128->ch_weighting[ch] * ebur128->i##time.sum[ch]; \
power_##time /= I##time##_BINS(inlink->sample_rate); \
} \
@ -762,7 +762,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *insamples)
/* compute integrated loudness by summing the histogram values
* above the relative threshold */
for (i = gate_hist_pos; i < HIST_SIZE; i++) {
for (int i = gate_hist_pos; i < HIST_SIZE; i++) {
const unsigned nb_v = ebur128->i400.histogram[i].count;
nb_integrated += nb_v;
integrated_sum += nb_v * ebur128->i400.histogram[i].energy;
@ -788,7 +788,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *insamples)
int gate_hist_pos = gate_update(&ebur128->i3000, power_3000,
loudness_3000, LRA_GATE_THRES);
for (i = gate_hist_pos; i < HIST_SIZE; i++)
for (int i = gate_hist_pos; i < HIST_SIZE; i++)
nb_powers += ebur128->i3000.histogram[i].count;
if (nb_powers) {
uint64_t n, nb_pow;
@ -796,7 +796,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *insamples)
/* get lower loudness to consider */
n = 0;
nb_pow = LRA_LOWER_PRC * nb_powers * 0.01 + 0.5;
for (i = gate_hist_pos; i < HIST_SIZE; i++) {
for (int i = gate_hist_pos; i < HIST_SIZE; i++) {
n += ebur128->i3000.histogram[i].count;
if (n >= nb_pow) {
ebur128->lra_low = ebur128->i3000.histogram[i].loudness;
@ -807,7 +807,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *insamples)
/* get higher loudness to consider */
n = nb_powers;
nb_pow = LRA_HIGHER_PRC * nb_powers * 0.01 + 0.5;
for (i = HIST_SIZE - 1; i >= 0; i--) {
for (int i = HIST_SIZE - 1; i >= 0; i--) {
n -= FFMIN(n, ebur128->i3000.histogram[i].count);
if (n < nb_pow) {
ebur128->lra_high = ebur128->i3000.histogram[i].loudness;
@ -909,7 +909,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *insamples)
if (ebur128->peak_mode & PEAK_MODE_ ## ptype ## _PEAKS) { \
double max_peak = 0.0; \
char key[64]; \
for (ch = 0; ch < nb_channels; ch++) { \
for (int ch = 0; ch < nb_channels; ch++) { \
snprintf(key, sizeof(key), \
META_PREFIX AV_STRINGIFY(name) "_peaks_ch%d", ch); \
max_peak = fmax(max_peak, ebur128->name##_peaks[ch]); \
@ -948,7 +948,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *insamples)
#define PRINT_PEAKS(str, sp, ptype) do { \
if (ebur128->peak_mode & PEAK_MODE_ ## ptype ## _PEAKS) { \
av_log(ctx, ebur128->loglevel, " " str ":"); \
for (ch = 0; ch < nb_channels; ch++) \
for (int ch = 0; ch < nb_channels; ch++) \
av_log(ctx, ebur128->loglevel, " %5.1f", DBFS(sp[ch])); \
av_log(ctx, ebur128->loglevel, " dBFS"); \
} \