diff --git a/libavfilter/avfilter.c b/libavfilter/avfilter.c index f545e050bc..b2a6b58cea 100644 --- a/libavfilter/avfilter.c +++ b/libavfilter/avfilter.c @@ -1253,24 +1253,25 @@ static int take_samples(AVFilterLink *link, unsigned min, unsigned max, int ff_filter_frame_to_filter(AVFilterLink *link) { - AVFrame *frame; + AVFrame *frame = NULL; AVFilterContext *dst = link->dst; int ret; av_assert1(ff_framequeue_queued_frames(&link->fifo)); - if (link->min_samples) { - int min = link->min_samples; - if (link->status_in) - min = FFMIN(min, ff_framequeue_queued_samples(&link->fifo)); - ret = take_samples(link, min, link->max_samples, &frame); - if (ret < 0) - return ret; - } else { - frame = ff_framequeue_take(&link->fifo); + ret = link->min_samples ? + ff_inlink_consume_samples(link, link->min_samples, link->max_samples, &frame) : + ff_inlink_consume_frame(link, &frame); + av_assert1(ret); + if (ret < 0) { + av_assert1(!frame); + return ret; } /* The filter will soon have received a new frame, that may allow it to produce one or more: unblock its outputs. */ filter_unblock(dst); + /* AVFilterPad.filter_frame() expect frame_count_out to have the value + before the frame; ff_filter_frame_framed() will re-increment it. */ + link->frame_count_out--; ret = ff_filter_frame_framed(link, frame); if (ret < 0 && ret != link->status_out) { ff_avfilter_link_set_out_status(link, ret, AV_NOPTS_VALUE);