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avfilter/asrc_sinc: switch to activate 

Allow to set the EOF timestamp.
This commit is contained in:
Paul B Mahol 2021-08-21 16:22:54 +02:00
parent 52091fcb5c
commit 9153038e0a
1 changed files with 11 additions and 5 deletions
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16
libavfilter/asrc_sinc.c
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@ -27,6 +27,7 @@
#include "audio.h"
#include "avfilter.h"
#include "filters.h"
#include "internal.h"
typedef struct SincContext {
@ -44,17 +45,22 @@ typedef struct SincContext {
RDFTContext *rdft, *irdft;
} SincContext;
static int request_frame(AVFilterLink *outlink)
static int activate(AVFilterContext *ctx)
{
AVFilterContext *ctx = outlink->src;
AVFilterLink *outlink = ctx->outputs[0];
SincContext *s = ctx->priv;
const float *coeffs = s->coeffs;
AVFrame *frame = NULL;
int nb_samples;
if (!ff_outlink_frame_wanted(outlink))
return FFERROR_NOT_READY;
nb_samples = FFMIN(s->nb_samples, s->n - s->pts);
if (nb_samples <= 0)
return AVERROR_EOF;
if (nb_samples <= 0) {
ff_outlink_set_status(outlink, AVERROR_EOF, s->pts);
return 0;
}
if (!(frame = ff_get_audio_buffer(outlink, nb_samples)))
return AVERROR(ENOMEM);
@ -406,7 +412,6 @@ static const AVFilterPad sinc_outputs[] = {
.name = "default",
.type = AVMEDIA_TYPE_AUDIO,
.config_props = config_output,
.request_frame = request_frame,
},
};
@ -438,6 +443,7 @@ const AVFilter ff_asrc_sinc = {
.priv_class = &sinc_class,
.query_formats = query_formats,
.uninit = uninit,
.activate = activate,
.inputs = NULL,
FILTER_OUTPUTS(sinc_outputs),
};