From patchwork Sat Dec 24 17:41:45 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nicolas George X-Patchwork-Id: 1918 Delivered-To: ffmpegpatchwork@gmail.com Received: by 10.103.89.21 with SMTP id n21csp383630vsb; Sat, 24 Dec 2016 09:43:12 -0800 (PST) X-Received: by 10.194.86.34 with SMTP id m2mr17660395wjz.173.1482601392770; Sat, 24 Dec 2016 09:43:12 -0800 (PST) Return-Path: Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org. [79.124.17.100]) by mx.google.com with ESMTP id mw9si40003837wjb.154.2016.12.24.09.43.12; Sat, 24 Dec 2016 09:43:12 -0800 (PST) Received-SPF: pass (google.com: domain of ffmpeg-devel-bounces@ffmpeg.org designates 79.124.17.100 as permitted sender) client-ip=79.124.17.100; Authentication-Results: mx.google.com; spf=pass (google.com: domain of ffmpeg-devel-bounces@ffmpeg.org designates 79.124.17.100 as permitted sender) smtp.mailfrom=ffmpeg-devel-bounces@ffmpeg.org Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id D93FE689C38; Sat, 24 Dec 2016 19:42:13 +0200 (EET) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from nef2.ens.fr (nef2.ens.fr [129.199.96.40]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id B1640689B24 for ; Sat, 24 Dec 2016 19:42:08 +0200 (EET) Received: from phare.normalesup.org (archicubes.ens.fr [129.199.129.80]) by nef2.ens.fr (8.13.6/1.01.28121999) with ESMTP id uBOHg9Ce095819 for ; Sat, 24 Dec 2016 18:42:09 +0100 (CET) Received: by phare.normalesup.org (Postfix, from userid 1001) id 9F934E0087; Sat, 24 Dec 2016 18:42:09 +0100 (CET) From: Nicolas George To: ffmpeg-devel@ffmpeg.org Date: Sat, 24 Dec 2016 18:41:45 +0100 Message-Id: <20161224174149.8995-14-george@nsup.org> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20161224174149.8995-1-george@nsup.org> References: <20161224174149.8995-1-george@nsup.org> X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.4.3 (nef2.ens.fr [129.199.96.32]); Sat, 24 Dec 2016 18:42:09 +0100 (CET) Subject: [FFmpeg-devel] [PATCH 13/17] lavfi: add ff_link_set_frame_wanted(). X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches MIME-Version: 1.0 Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Signed-off-by: Nicolas George --- libavfilter/avfilter.c | 8 ++++++++ libavfilter/internal.h | 8 ++++++++ 2 files changed, 16 insertions(+) diff --git a/libavfilter/avfilter.c b/libavfilter/avfilter.c index 6d24f74c08..c3e30b80b7 100644 --- a/libavfilter/avfilter.c +++ b/libavfilter/avfilter.c @@ -1645,6 +1645,14 @@ void ff_link_process_timeline(AVFilterLink *link, const AVFrame *frame) dstctx->is_disabled = fabs(av_expr_eval(dstctx->enable, dstctx->var_values, NULL)) < 0.5; } +void ff_link_set_frame_wanted(AVFilterLink *link) +{ + av_assert1(!link->status_in); + av_assert1(!link->status_out); + link->frame_wanted_out = 1; + ff_filter_set_ready(link->src, 100); +} + const AVClass *avfilter_get_class(void) { return &avfilter_class; diff --git a/libavfilter/internal.h b/libavfilter/internal.h index 9aaf585eca..44d2fa38d5 100644 --- a/libavfilter/internal.h +++ b/libavfilter/internal.h @@ -690,4 +690,12 @@ void ff_link_process_commands(AVFilterLink *link, const AVFrame *frame); */ void ff_link_process_timeline(AVFilterLink *link, const AVFrame *frame); +/** + * Mark that a frame is wanted on the link. + * Unlike ff_filter_frame(), it must not be called when the link has a + * non-zero status, and thus does not acknowledge it. + * Also it cannot fail. + */ +void ff_link_set_frame_wanted(AVFilterLink *link); + #endif /* AVFILTER_INTERNAL_H */