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avfilter/af_rubberband: switch to activate

This commit is contained in:
Paul B Mahol 2019-04-29 14:22:13 +02:00
parent a89ec33fd5
commit a40bcb5c93
1 changed files with 19 additions and 41 deletions
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60
libavfilter/af_rubberband.c
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@ -24,6 +24,7 @@
#include "audio.h"
#include "avfilter.h"
#include "filters.h"
#include "formats.h"
#include "internal.h"
@ -36,7 +37,7 @@ typedef struct RubberBandContext {
smoothing, formant, opitch, channels;
int64_t nb_samples_out;
int64_t nb_samples_in;
int flushed;
int nb_samples;
} RubberBandContext;
#define OFFSET(x) offsetof(RubberBandContext, x)
@ -123,7 +124,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
AVFrame *out;
int ret = 0, nb_samples;
rubberband_process(s->rbs, (const float *const *)in->data, in->nb_samples, 0);
rubberband_process(s->rbs, (const float *const *)in->data, in->nb_samples, ff_outlink_get_status(inlink));
s->nb_samples_in += in->nb_samples;
nb_samples = rubberband_available(s->rbs);
@ -160,53 +161,31 @@ static int config_input(AVFilterLink *inlink)
if (!s->rbs)
return AVERROR(ENOMEM);
inlink->partial_buf_size =
inlink->min_samples =
inlink->max_samples = rubberband_get_samples_required(s->rbs);
s->nb_samples = rubberband_get_samples_required(s->rbs);
return 0;
}
static int request_frame(AVFilterLink *outlink)
static int activate(AVFilterContext *ctx)
{
AVFilterContext *ctx = outlink->src;
RubberBandContext *s = ctx->priv;
AVFilterLink *inlink = ctx->inputs[0];
int ret = 0;
AVFilterLink *outlink = ctx->outputs[0];
RubberBandContext *s = ctx->priv;
AVFrame *in = NULL;
int ret;
ret = ff_request_frame(ctx->inputs[0]);
FF_FILTER_FORWARD_STATUS_BACK(outlink, inlink);
if (ret == AVERROR_EOF && !s->flushed) {
if (rubberband_available(s->rbs) > 0) {
AVFrame *out = ff_get_audio_buffer(inlink, 1);
int nb_samples;
ret = ff_inlink_consume_samples(inlink, s->nb_samples, s->nb_samples, &in);
if (ret < 0)
return ret;
if (ret > 0)
return filter_frame(inlink, in);
if (!out)
return AVERROR(ENOMEM);
FF_FILTER_FORWARD_STATUS(inlink, outlink);
FF_FILTER_FORWARD_WANTED(outlink, inlink);
rubberband_process(s->rbs, (const float *const *)out->data, 1, 1);
av_frame_free(&out);
nb_samples = rubberband_available(s->rbs);
if (nb_samples > 0) {
out = ff_get_audio_buffer(outlink, nb_samples);
if (!out)
return AVERROR(ENOMEM);
out->pts = av_rescale_q(s->nb_samples_out,
(AVRational){ 1, outlink->sample_rate },
outlink->time_base);
nb_samples = rubberband_retrieve(s->rbs, (float *const *)out->data, nb_samples);
out->nb_samples = nb_samples;
ret = ff_filter_frame(outlink, out);
s->nb_samples_out += nb_samples;
}
}
s->flushed = 1;
av_log(ctx, AV_LOG_DEBUG, "nb_samples_in %"PRId64" nb_samples_out %"PRId64"\n",
s->nb_samples_in, s->nb_samples_out);
}
return ret;
return FFERROR_NOT_READY;
}
static int process_command(AVFilterContext *ctx, const char *cmd, const char *args,
@ -246,7 +225,6 @@ static const AVFilterPad rubberband_inputs[] = {
.name = "default",
.type = AVMEDIA_TYPE_AUDIO,
.config_props = config_input,
.filter_frame = filter_frame,
},
{ NULL }
};
@ -255,7 +233,6 @@ static const AVFilterPad rubberband_outputs[] = {
{
.name = "default",
.type = AVMEDIA_TYPE_AUDIO,
.request_frame = request_frame,
},
{ NULL }
};
@ -267,6 +244,7 @@ AVFilter ff_af_rubberband = {
.priv_size = sizeof(RubberBandContext),
.priv_class = &rubberband_class,
.uninit = uninit,
.activate = activate,
.inputs = rubberband_inputs,
.outputs = rubberband_outputs,
.process_command = process_command,