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avfilter/af_afftdn: add support for writable input frames

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This commit is contained in:
Paul B Mahol 2022-02-27 11:49:34 +01:00
parent df272928ff
commit 2cb482aa74
1 changed files with 17 additions and 17 deletions
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28
libavfilter/af_afftdn.c
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@ -1164,9 +1164,8 @@ static int output_frame(AVFilterLink *inlink, AVFrame *in)
AudioFFTDeNoiseContext *s = ctx->priv;
const int output_mode = ctx->is_disabled ? IN_MODE : s->output_mode;
const int offset = s->window_length - s->sample_advance;
AVFrame *out = NULL;
AVFrame *out;
ThreadData td;
int ret = 0;
for (int ch = 0; ch < s->channels; ch++) {
float *src = (float *)s->winframe->extended_data[ch];
@ -1225,10 +1224,16 @@ static int output_frame(AVFilterLink *inlink, AVFrame *in)
ff_filter_execute(ctx, filter_channel, &td, NULL,
FFMIN(outlink->channels, ff_filter_get_nb_threads(ctx)));
if (av_frame_is_writable(in)) {
out = in;
} else {
out = ff_get_audio_buffer(outlink, in->nb_samples);
if (!out) {
ret = AVERROR(ENOMEM);
goto end;
av_frame_free(&in);
return AVERROR(ENOMEM);
}
out->pts = in->pts;
}
for (int ch = 0; ch < inlink->channels; ch++) {
@ -1251,23 +1256,18 @@ static int output_frame(AVFilterLink *inlink, AVFrame *in)
dst[m] = orig[m] - src[m];
break;
default:
if (in != out)
av_frame_free(&in);
av_frame_free(&out);
ret = AVERROR_BUG;
goto end;
return AVERROR_BUG;
}
memmove(src, src + s->sample_advance, (s->window_length - s->sample_advance) * sizeof(*src));
memset(src + (s->window_length - s->sample_advance), 0, s->sample_advance * sizeof(*src));
}
out->pts = in->pts;
ret = ff_filter_frame(outlink, out);
if (ret < 0)
goto end;
end:
if (out != in)
av_frame_free(&in);
return ret;
return ff_filter_frame(outlink, out);
}
static int activate(AVFilterContext *ctx)