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avfilter/af_astats: accessing outlink in uninit is not valid

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This commit is contained in:
Paul B Mahol
2022-12-03 17:29:48 +01:00
parent 33e70dc0b8
commit 754fa305fa
1 changed files with 5 additions and 2 deletions
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7
libavfilter/af_astats.c
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@@ -99,6 +99,7 @@ typedef struct AudioStatsContext {
double time_constant; double time_constant;
double mult; double mult;
int metadata; int metadata;
int used;
int reset_count; int reset_count;
int nb_frames; int nb_frames;
int maxbitdepth; int maxbitdepth;
@@ -637,6 +638,8 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *buf)
s->nb_frames++; s->nb_frames++;
} }
if (s->used == 0)
s->used = buf->nb_samples > 0;
ff_filter_execute(ctx, filter_channel, buf, NULL, ff_filter_execute(ctx, filter_channel, buf, NULL,
FFMIN(inlink->ch_layout.nb_channels, ff_filter_get_nb_threads(ctx))); FFMIN(inlink->ch_layout.nb_channels, ff_filter_get_nb_threads(ctx)));
@@ -668,7 +671,7 @@ static void print_stats(AVFilterContext *ctx)
for (c = 0; c < s->nb_channels; c++) { for (c = 0; c < s->nb_channels; c++) {
ChannelStats *p = &s->chstats[c]; ChannelStats *p = &s->chstats[c];
if (p->nb_samples == 0 && ctx->outputs[0]->sample_count_in == 0) if (p->nb_samples == 0 && !s->used)
continue; continue;
if (p->nb_samples < s->tc_samples) if (p->nb_samples < s->tc_samples)
@@ -757,7 +760,7 @@ static void print_stats(AVFilterContext *ctx)
av_log(ctx, AV_LOG_INFO, "Number of denormals: %"PRId64"\n", p->nb_denormals); av_log(ctx, AV_LOG_INFO, "Number of denormals: %"PRId64"\n", p->nb_denormals);
} }
if (nb_samples == 0 && ctx->outputs[0]->sample_count_in == 0) if (nb_samples == 0 && !s->used)
return; return;
if (s->measure_overall != MEASURE_NONE) if (s->measure_overall != MEASURE_NONE)