diff options
| -rw-r--r-- | libavfilter/vf_mix.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/libavfilter/vf_mix.c b/libavfilter/vf_mix.c index 79c96e5aec..64d07bbbbb 100644 --- a/libavfilter/vf_mix.c +++ b/libavfilter/vf_mix.c @@ -415,8 +415,12 @@ static int tmix_filter_frame(AVFilterLink *inlink, AVFrame *in) if (s->nb_frames < s->nb_inputs) { s->frames[s->nb_frames] = in; s->nb_frames++; - if (s->nb_frames < s->nb_inputs) - return 0; + while (s->nb_frames < s->nb_inputs) { + s->frames[s->nb_frames] = av_frame_clone(s->frames[s->nb_frames - 1]); + if (!s->frames[s->nb_frames]) + return AVERROR(ENOMEM); + s->nb_frames++; + } } else { av_frame_free(&s->frames[0]); memmove(&s->frames[0], &s->frames[1], sizeof(*s->frames) * (s->nb_inputs - 1)); @@ -433,7 +437,7 @@ static int tmix_filter_frame(AVFilterLink *inlink, AVFrame *in) out = ff_get_video_buffer(outlink, outlink->w, outlink->h); if (!out) return AVERROR(ENOMEM); - out->pts = s->frames[0]->pts; + out->pts = s->frames[s->nb_frames - 1]->pts; td.out = out; td.in = s->frames; |