From 176ac987aa25550d0e19c44e131bffd3c5a9260f Mon Sep 17 00:00:00 2001 From: Paul B Mahol Date: Wed, 20 Nov 2019 17:44:18 +0100 Subject: avfilter/f_graphmonitor: output frames in pts gaps --- libavfilter/f_graphmonitor.c | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) (limited to 'libavfilter/f_graphmonitor.c') diff --git a/libavfilter/f_graphmonitor.c b/libavfilter/f_graphmonitor.c index c001835364..a9c4ba42f5 100644 --- a/libavfilter/f_graphmonitor.c +++ b/libavfilter/f_graphmonitor.c @@ -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}; -- cgit v1.2.3