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ffmpeg.wasm-core
Commit 255feecc authored by Paul B Mahol's avatar Paul B Mahol
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avfilter/af_biquads: add timeline support

parent 01204c04
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Showing with 15 additions and 7 deletions
libavfilter/af_biquads.c
View file @ 255feecc
......@@ -120,7 +120,8 @@ typedef struct BiquadsContext {
void (*filter)(struct BiquadsContext *s, const void *ibuf, void *obuf, int len,
double *i1, double *i2, double *o1, double *o2,
double b0, double b1, double b2, double a1, double a2, int *clippings);
double b0, double b1, double b2, double a1, double a2, int *clippings,
int disabled);
} BiquadsContext;
static av_cold int init(AVFilterContext *ctx)
......@@ -177,7 +178,8 @@ static void biquad_## name (BiquadsContext *s, \
double *in1, double *in2, \
double *out1, double *out2, \
double b0, double b1, double b2, \
double a1, double a2, int *clippings) \
double a1, double a2, int *clippings, \
int disabled) \
{ \
const type *ibuf = input; \
type *obuf = output; \
......@@ -192,7 +194,9 @@ static void biquad_## name (BiquadsContext *s, \
for (i = 0; i+1 < len; i++) { \
o2 = i2 * b2 + i1 * b1 + ibuf[i] * b0 + o2 * a2 + o1 * a1; \
i2 = ibuf[i]; \
if (need_clipping && o2 < min) { \
if (disabled) { \
obuf[i] = i2; \
} else if (need_clipping && o2 < min) { \
(*clippings)++; \
obuf[i] = min; \
} else if (need_clipping && o2 > max) { \
......@@ -204,7 +208,9 @@ static void biquad_## name (BiquadsContext *s, \
i++; \
o1 = i1 * b2 + i2 * b1 + ibuf[i] * b0 + o1 * a2 + o2 * a1; \
i1 = ibuf[i]; \
if (need_clipping && o1 < min) { \
if (disabled) { \
obuf[i] = i1; \
} else if (need_clipping && o1 < min) { \
(*clippings)++; \
obuf[i] = min; \
} else if (need_clipping && o1 > max) { \
......@@ -220,7 +226,9 @@ static void biquad_## name (BiquadsContext *s, \
i1 = ibuf[i]; \
o2 = o1; \
o1 = o0; \
if (need_clipping && o0 < min) { \
if (disabled) { \
obuf[i] = i1; \
} else if (need_clipping && o0 < min) { \
(*clippings)++; \
obuf[i] = min; \
} else if (need_clipping && o0 > max) { \
......@@ -442,7 +450,7 @@ static int filter_channel(AVFilterContext *ctx, void *arg, int jobnr, int nb_job
s->filter(s, buf->extended_data[ch], out_buf->extended_data[ch], buf->nb_samples,
&s->cache[ch].i1, &s->cache[ch].i2, &s->cache[ch].o1, &s->cache[ch].o2,
s->b0, s->b1, s->b2, s->a1, s->a2, &s->cache[ch].clippings);
s->b0, s->b1, s->b2, s->a1, s->a2, &s->cache[ch].clippings, ctx->is_disabled);
}
return 0;
......@@ -653,7 +661,7 @@ AVFilter ff_af_##name_ = { \
.outputs = outputs, \
.priv_class = &name_##_class, \
.process_command = process_command, \
.flags = AVFILTER_FLAG_SLICE_THREADS, \
.flags = AVFILTER_FLAG_SLICE_THREADS | AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL, \
}
#if CONFIG_EQUALIZER_FILTER
......
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