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avfilter/af_afir: fix remaining artifacts on IR switch

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This commit is contained in:
Paul B Mahol 2023-04-25 20:33:08 +02:00
parent bee265e5d5
commit 8b0ec740cb
1 changed files with 13 additions and 14 deletions
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27
libavfilter/af_afir.c
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@ -112,7 +112,7 @@ static int fir_channel(AVFilterContext *ctx, AVFrame *out, int ch)
for (int offset = 0; offset < out->nb_samples; offset += min_part_size) {
switch (s->format) {
case AV_SAMPLE_FMT_FLTP:
if (prev_selir != selir) {
if (prev_selir != selir && s->loading[ch] != 0) {
const float *xfade0 = (const float *)s->xfade[0]->extended_data[ch];
const float *xfade1 = (const float *)s->xfade[1]->extended_data[ch];
float *src0 = (float *)s->fadein[0]->extended_data[ch];
@ -125,7 +125,7 @@ static int fir_channel(AVFilterContext *ctx, AVFrame *out, int ch)
fir_quantum_float(ctx, s->fadein[0], ch, offset, 0, prev_selir);
fir_quantum_float(ctx, s->fadein[1], ch, offset, 0, selir);
if (s->loading[ch] > 0 && s->loading[ch] <= min_part_size) {
if (s->loading[ch] > s->max_offset[selir]) {
for (int n = 0; n < min_part_size; n++)
dst[n] = xfade1[n] * src0[n] + xfade0[n] * src1[n];
s->loading[ch] = 0;
@ -137,7 +137,7 @@ static int fir_channel(AVFilterContext *ctx, AVFrame *out, int ch)
}
break;
case AV_SAMPLE_FMT_DBLP:
if (prev_selir != selir) {
if (prev_selir != selir && s->loading[ch] != 0) {
const double *xfade0 = (const double *)s->xfade[0]->extended_data[ch];
const double *xfade1 = (const double *)s->xfade[1]->extended_data[ch];
double *src0 = (double *)s->fadein[0]->extended_data[ch];
@ -150,7 +150,7 @@ static int fir_channel(AVFilterContext *ctx, AVFrame *out, int ch)
fir_quantum_double(ctx, s->fadein[0], ch, offset, 0, prev_selir);
fir_quantum_double(ctx, s->fadein[1], ch, offset, 0, selir);
if (s->loading[ch] > 0 && s->loading[ch] <= min_part_size) {
if (s->loading[ch] > s->max_offset[selir]) {
for (int n = 0; n < min_part_size; n++)
dst[n] = xfade1[n] * src0[n] + xfade0[n] * src1[n];
s->loading[ch] = 0;
@ -163,8 +163,8 @@ static int fir_channel(AVFilterContext *ctx, AVFrame *out, int ch)
break;
}
if (selir != prev_selir && s->loading[ch] > 0)
s->loading[ch] -= min_part_size;
if (selir != prev_selir && s->loading[ch] != 0)
s->loading[ch] += min_part_size;
}
return 0;
@ -346,11 +346,11 @@ static int convert_coeffs(AVFilterContext *ctx, int selir)
int nb_partitions = FFMIN(step, (left + part_size - 1) / part_size);
s->nb_segments[selir] = i + 1;
s->max_offset[selir] = offset;
ret = init_segment(ctx, &s->seg[selir][i], selir, offset, nb_partitions, part_size, i);
if (ret < 0)
return ret;
offset += nb_partitions * part_size;
s->max_offset[selir] = offset;
left -= nb_partitions * part_size;
part_size *= 2;
part_size = FFMIN(part_size, max_part_size);
@ -503,18 +503,13 @@ static int activate(AVFilterContext *ctx)
}
}
if (s->selir != s->prev_selir && s->loading[0] <= 0) {
for (int ch = 0; ch < s->nb_channels; ch++)
s->loading[ch] = s->max_offset[s->selir] + s->max_part_size;
}
available = ff_inlink_queued_samples(ctx->inputs[0]);
wanted = FFMAX(s->min_part_size, (available / s->min_part_size) * s->min_part_size);
ret = ff_inlink_consume_samples(ctx->inputs[0], wanted, wanted, &in);
if (ret > 0)
ret = fir_frame(s, in, outlink);
if (s->selir != s->prev_selir && s->loading[0] <= 0)
if (s->selir != s->prev_selir && s->loading[0] == 0)
s->prev_selir = s->selir;
if (ret < 0)
@ -799,9 +794,13 @@ static int process_command(AVFilterContext *ctx,
return ret;
s->selir = FFMIN(s->nb_irs - 1, s->selir);
if (s->selir != prev_selir)
if (s->selir != prev_selir) {
s->prev_selir = prev_selir;
for (int ch = 0; ch < s->nb_channels; ch++)
s->loading[ch] = 1;
}
return 0;
}