ffmpeg | branch: master | Paul B Mahol <onemda@gmail.com> | Tue Oct 1 18:46:20 2019 +0200| [3bb170e530e3f9885d68e5c684fa82346d7158f4] | committer: Paul B Mahol avfilter/f_streamselect: add check case when nothing is done Fixes #7955.

http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=3bb170e530e3f9885d...

libavfilter/f_streamselect.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/libavfilter/f_streamselect.c b/libavfilter/f_streamselect.c index 923deb1a85..4b913d37f4 100644 --- a/libavfilter/f_streamselect.c +++ b/libavfilter/f_streamselect.c @@ -21,6 +21,7 @@ #include "libavutil/opt.h" #include "avfilter.h" #include "audio.h" +#include "filters.h" #include "formats.h" #include "framesync.h" #include "internal.h" @@ -53,7 +54,7 @@ static int process_frame(FFFrameSync *fs) AVFilterContext *ctx = fs->parent; StreamSelectContext *s = fs->opaque; AVFrame **in = s->frames; - int i, j, ret = 0; + int i, j, ret = 0, have_out = 0; for (i = 0; i < ctx->nb_inputs; i++) { if ((ret = ff_framesync_get_frame(&s->fs, i, &in[i], 0)) < 0) @@ -75,12 +76,15 @@ static int process_frame(FFFrameSync *fs) out->pts = av_rescale_q(s->fs.pts, s->fs.time_base, ctx->outputs[i]->time_base); s->last_pts[j] = in[j]->pts; ret = ff_filter_frame(ctx->outputs[i], out); + have_out = 1; if (ret < 0) return ret; } } } + if (!have_out) + ff_filter_set_ready(ctx, 100); return ret; }