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Code Issues Releases Activity

avfilter/af_superequalizer: switch to activate

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This commit is contained in:
Paul B Mahol 2019-05-27 17:24:22 +02:00
parent 3da8d04c18
commit 293489d835
1 changed files with 25 additions and 6 deletions
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31
libavfilter/af_superequalizer.c
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@ -25,6 +25,7 @@
#include "audio.h"
#include "avfilter.h"
#include "filters.h"
#include "internal.h"
#define NBANDS 17
@ -203,7 +204,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
dst = (float *)s->out->extended_data[ch];
src = (float *)in->extended_data[ch];
for (i = 0; i < s->winlen; i++)
for (i = 0; i < in->nb_samples; i++)
fsamples[i] = src[i];
for (; i < s->tabsize; i++)
fsamples[i] = 0;
@ -240,6 +241,28 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
return ff_filter_frame(outlink, out);
}
static int activate(AVFilterContext *ctx)
{
AVFilterLink *inlink = ctx->inputs[0];
AVFilterLink *outlink = ctx->outputs[0];
SuperEqualizerContext *s = ctx->priv;
AVFrame *in = NULL;
int ret;
FF_FILTER_FORWARD_STATUS_BACK(outlink, inlink);
ret = ff_inlink_consume_samples(inlink, s->winlen, s->winlen, &in);
if (ret < 0)
return ret;
if (ret > 0)
return filter_frame(inlink, in);
FF_FILTER_FORWARD_STATUS(inlink, outlink);
FF_FILTER_FORWARD_WANTED(outlink, inlink);
return FFERROR_NOT_READY;
}
static av_cold int init(AVFilterContext *ctx)
{
SuperEqualizerContext *s = ctx->priv;
@ -277,10 +300,6 @@ static int config_input(AVFilterLink *inlink)
AVFilterContext *ctx = inlink->dst;
SuperEqualizerContext *s = ctx->priv;
inlink->partial_buf_size =
inlink->min_samples =
inlink->max_samples = s->winlen;
s->out = ff_get_audio_buffer(inlink, s->tabsize);
if (!s->out)
return AVERROR(ENOMEM);
@ -314,7 +333,6 @@ static const AVFilterPad superequalizer_inputs[] = {
{
.name = "default",
.type = AVMEDIA_TYPE_AUDIO,
.filter_frame = filter_frame,
.config_props = config_input,
},
{ NULL }
@ -363,6 +381,7 @@ AVFilter ff_af_superequalizer = {
.priv_class = &superequalizer_class,
.query_formats = query_formats,
.init = init,
.activate = activate,
.uninit = uninit,
.inputs = superequalizer_inputs,
.outputs = superequalizer_outputs,