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Code Issues Releases Activity

avfilter/af_afftdn: do not profile noise if number of sampled blocks is 0

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This commit is contained in:
Paul B Mahol
2022-03-18 11:21:52 +01:00
parent 28447a4290
commit b6af56c034
1 changed files with 6 additions and 0 deletions
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6
libavfilter/af_afftdn.c
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@@ -125,6 +125,7 @@ typedef struct AudioFFTDeNoiseContext {
int channels; int channels;
int sample_noise; int sample_noise;
int sample_noise_blocks;
int sample_noise_mode; int sample_noise_mode;
float sample_rate; float sample_rate;
int buffer_length; int buffer_length;
@@ -1039,6 +1040,7 @@ static int output_frame(AVFilterLink *inlink, AVFrame *in)
} }
s->sample_noise_mode = SAMPLE_NONE; s->sample_noise_mode = SAMPLE_NONE;
s->sample_noise = 1; s->sample_noise = 1;
s->sample_noise_blocks = 0;
} }
if (s->sample_noise) { if (s->sample_noise) {
@@ -1047,6 +1049,7 @@ static int output_frame(AVFilterLink *inlink, AVFrame *in)
sample_noise_block(s, dnch, s->winframe, ch); sample_noise_block(s, dnch, s->winframe, ch);
} }
s->sample_noise_blocks++;
} }
if (s->sample_noise_mode == SAMPLE_STOP) { if (s->sample_noise_mode == SAMPLE_STOP) {
@@ -1054,11 +1057,14 @@ static int output_frame(AVFilterLink *inlink, AVFrame *in)
DeNoiseChannel *dnch = &s->dnch[ch]; DeNoiseChannel *dnch = &s->dnch[ch];
double sample_noise[NB_PROFILE_BANDS]; double sample_noise[NB_PROFILE_BANDS];
if (s->sample_noise_blocks <= 0)
break;
finish_sample_noise(s, dnch, sample_noise); finish_sample_noise(s, dnch, sample_noise);
set_noise_profile(s, dnch, sample_noise); set_noise_profile(s, dnch, sample_noise);
set_parameters(s, dnch, 1, 1); set_parameters(s, dnch, 1, 1);
} }
s->sample_noise = 0; s->sample_noise = 0;
s->sample_noise_blocks = 0;
s->sample_noise_mode = SAMPLE_NONE; s->sample_noise_mode = SAMPLE_NONE;
} }