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avfilter/af_asdr: add fltp sample format support

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This commit is contained in:
Paul B Mahol 2023-08-13 02:32:09 +02:00
parent 37b4837584
commit 80fdf51b8f
1 changed files with 36 additions and 28 deletions
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64
libavfilter/af_asdr.c
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@ -31,36 +31,42 @@ typedef struct AudioSDRContext {
double *sum_uv;
AVFrame *cache[2];
int (*filter)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs);
} AudioSDRContext;
static int sdr(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
{
AudioSDRContext *s = ctx->priv;
AVFrame *u = s->cache[0];
AVFrame *v = s->cache[1];
const int channels = u->ch_layout.nb_channels;
const int start = (channels * jobnr) / nb_jobs;
const int end = (channels * (jobnr+1)) / nb_jobs;
const int nb_samples = u->nb_samples;
for (int ch = start; ch < end; ch++) {
const double *const us = (double *)u->extended_data[ch];
const double *const vs = (double *)v->extended_data[ch];
double sum_uv = 0.;
double sum_u = 0.;
for (int n = 0; n < nb_samples; n++) {
sum_u += us[n] * us[n];
sum_uv += (us[n] - vs[n]) * (us[n] - vs[n]);
}
s->sum_uv[ch] += sum_uv;
s->sum_u[ch] += sum_u;
}
return 0;
#define SDR_FILTER(name, type) \
static int sdr_##name(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)\
{ \
AudioSDRContext *s = ctx->priv; \
AVFrame *u = s->cache[0]; \
AVFrame *v = s->cache[1]; \
const int channels = u->ch_layout.nb_channels; \
const int start = (channels * jobnr) / nb_jobs; \
const int end = (channels * (jobnr+1)) / nb_jobs; \
const int nb_samples = u->nb_samples; \
\
for (int ch = start; ch < end; ch++) { \
const type *const us = (type *)u->extended_data[ch]; \
const type *const vs = (type *)v->extended_data[ch]; \
double sum_uv = 0.; \
double sum_u = 0.; \
\
for (int n = 0; n < nb_samples; n++) { \
sum_u += us[n] * us[n]; \
sum_uv += (us[n] - vs[n]) * (us[n] - vs[n]); \
} \
\
s->sum_uv[ch] += sum_uv; \
s->sum_u[ch] += sum_u; \
} \
\
return 0; \
}
SDR_FILTER(fltp, float)
SDR_FILTER(dblp, double)
static int activate(AVFilterContext *ctx)
{
AudioSDRContext *s = ctx->priv;
@ -84,7 +90,7 @@ static int activate(AVFilterContext *ctx)
}
if (!ctx->is_disabled)
ff_filter_execute(ctx, sdr, NULL, NULL,
ff_filter_execute(ctx, s->filter, NULL, NULL,
FFMIN(outlink->ch_layout.nb_channels, ff_filter_get_nb_threads(ctx)));
av_frame_free(&s->cache[1]);
@ -120,6 +126,7 @@ static int config_output(AVFilterLink *outlink)
AudioSDRContext *s = ctx->priv;
s->channels = inlink->ch_layout.nb_channels;
s->filter = inlink->format == AV_SAMPLE_FMT_FLTP ? sdr_fltp : sdr_dblp;
s->sum_u = av_calloc(outlink->ch_layout.nb_channels, sizeof(*s->sum_u));
s->sum_uv = av_calloc(outlink->ch_layout.nb_channels, sizeof(*s->sum_uv));
@ -173,5 +180,6 @@ const AVFilter ff_af_asdr = {
AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL,
FILTER_INPUTS(inputs),
FILTER_OUTPUTS(outputs),
FILTER_SINGLE_SAMPLEFMT(AV_SAMPLE_FMT_DBLP),
FILTER_SAMPLEFMTS(AV_SAMPLE_FMT_FLTP,
AV_SAMPLE_FMT_DBLP),
};