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avfilter/f_graphmonitor: output frames in pts gaps

This commit is contained in:
Paul B Mahol 2019-11-20 17:44:18 +01:00
parent a1f8b36cc4
commit 176ac987aa
1 changed files with 10 additions and 3 deletions
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13
libavfilter/f_graphmonitor.c
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@ -42,6 +42,7 @@ typedef struct GraphMonitorContext {
AVRational frame_rate;
int64_t pts;
int64_t next_pts;
uint8_t white[4];
uint8_t yellow[4];
uint8_t red[4];
@ -300,7 +301,7 @@ static int create_frame(AVFilterContext *ctx, int64_t pts)
}
out->pts = pts;
s->pts = pts;
s->pts = pts + 1;
return ff_filter_frame(outlink, out);
}
@ -328,10 +329,14 @@ static int activate(AVFilterContext *ctx)
if (pts != AV_NOPTS_VALUE) {
pts = av_rescale_q(pts, inlink->time_base, outlink->time_base);
if (s->pts < pts && ff_outlink_frame_wanted(outlink))
return create_frame(ctx, pts);
if (s->pts == AV_NOPTS_VALUE)
s->pts = pts;
s->next_pts = pts;
}
if (s->pts < s->next_pts && ff_outlink_frame_wanted(outlink))
return create_frame(ctx, s->pts);
FF_FILTER_FORWARD_STATUS(inlink, outlink);
FF_FILTER_FORWARD_WANTED(outlink, inlink);
@ -347,6 +352,8 @@ static int config_output(AVFilterLink *outlink)
s->yellow[0] = s->yellow[1] = 255;
s->red[0] = 255;
s->green[1] = 255;
s->pts = AV_NOPTS_VALUE;
s->next_pts = AV_NOPTS_VALUE;
outlink->w = s->w;
outlink->h = s->h;
outlink->sample_aspect_ratio = (AVRational){1,1};