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avfilter/vf_random: set output frame duration

This commit is contained in:
Paul B Mahol 2023-01-27 22:43:59 +01:00
parent a749e43c86
commit 7b78684f96
1 changed files with 6 additions and 0 deletions
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6
libavfilter/vf_random.c
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@ -37,6 +37,7 @@ typedef struct RandomContext {
int nb_frames_filled; int nb_frames_filled;
AVFrame *frames[MAX_FRAMES]; AVFrame *frames[MAX_FRAMES];
int64_t pts[MAX_FRAMES]; int64_t pts[MAX_FRAMES];
int64_t duration[MAX_FRAMES];
int flush_idx; int flush_idx;
} RandomContext; } RandomContext;
@ -74,6 +75,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
if (s->nb_frames_filled < s->nb_frames) { if (s->nb_frames_filled < s->nb_frames) {
s->frames[s->nb_frames_filled] = in; s->frames[s->nb_frames_filled] = in;
s->duration[s->nb_frames_filled] = in->duration;
s->pts[s->nb_frames_filled++] = in->pts; s->pts[s->nb_frames_filled++] = in->pts;
return 0; return 0;
} }
@ -82,9 +84,12 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
out = s->frames[idx]; out = s->frames[idx];
out->pts = s->pts[0]; out->pts = s->pts[0];
out->duration = s->duration[0];
memmove(&s->pts[0], &s->pts[1], (s->nb_frames - 1) * sizeof(s->pts[0])); memmove(&s->pts[0], &s->pts[1], (s->nb_frames - 1) * sizeof(s->pts[0]));
memmove(&s->duration[0], &s->duration[1], (s->nb_frames - 1) * sizeof(s->duration[0]));
s->frames[idx] = in; s->frames[idx] = in;
s->pts[s->nb_frames - 1] = in->pts; s->pts[s->nb_frames - 1] = in->pts;
s->duration[s->nb_frames - 1] = in->duration;
return ff_filter_frame(outlink, out); return ff_filter_frame(outlink, out);
} }
@ -104,6 +109,7 @@ next:
s->nb_frames--; s->nb_frames--;
goto next; goto next;
} }
out->duration = s->duration[s->flush_idx];
out->pts = s->pts[s->flush_idx++]; out->pts = s->pts[s->flush_idx++];
ret = ff_filter_frame(outlink, out); ret = ff_filter_frame(outlink, out);
s->frames[s->nb_frames - 1] = NULL; s->frames[s->nb_frames - 1] = NULL;