From patchwork Thu May 28 20:15:55 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anton Khirnov X-Patchwork-Id: 19949 Return-Path: X-Original-To: patchwork@ffaux-bg.ffmpeg.org Delivered-To: patchwork@ffaux-bg.ffmpeg.org Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org [79.124.17.100]) by ffaux.localdomain (Postfix) with ESMTP id CB65044A30B for ; Thu, 28 May 2020 23:16:40 +0300 (EEST) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id B465768AFA6; Thu, 28 May 2020 23:16:40 +0300 (EEST) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from mail.red.khirnov.net (unknown [176.97.15.10]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id DB88D68ACD3 for ; Thu, 28 May 2020 23:16:32 +0300 (EEST) Received: from localhost (localhost [IPv6:::1]) by mail.red.khirnov.net (Postfix) with ESMTP id 663BD28A6E0 for ; Thu, 28 May 2020 22:16:32 +0200 (CEST) Received: from mail.red.khirnov.net ([IPv6:::1]) by localhost (mail.red.khirnov.net [IPv6:::1]) (amavisd-new, port 10024) with ESMTP id ulD4lQuGxogV for ; Thu, 28 May 2020 22:16:29 +0200 (CEST) Received: from quelana.khirnov.net (quelana.khirnov.net [IPv6:2a00:c500:561:200::1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) client-signature RSA-PSS (2048 bits)) (Client CN "quelana.khirnov.net", Issuer "smtp.khirnov.net SMTP CA" (verified OK)) by mail.red.khirnov.net (Postfix) with ESMTPS id 2D61C28A705 for ; Thu, 28 May 2020 22:16:24 +0200 (CEST) Received: from localhost (quelana.khirnov.net [IPv6:::1]) by quelana.khirnov.net (Postfix) with ESMTP id E899F20279 for ; Thu, 28 May 2020 22:16:23 +0200 (CEST) Received: from quelana.khirnov.net ([IPv6:::1]) by localhost (quelana.khirnov.net [IPv6:::1]) (amavisd-new, port 10024) with ESMTP id dYozUurG5UYx for ; Thu, 28 May 2020 22:16:23 +0200 (CEST) Received: from libav.daenerys.khirnov.net (libav.daenerys.khirnov.net [IPv6:2a00:c500:561:201::7]) by quelana.khirnov.net (Postfix) with ESMTP id C30EA22EC1 for ; Thu, 28 May 2020 22:16:15 +0200 (CEST) Received: by libav.daenerys.khirnov.net (Postfix, from userid 1000) id ADE6020E00FA; Thu, 28 May 2020 22:16:12 +0200 (CEST) From: Anton Khirnov To: ffmpeg-devel@ffmpeg.org Date: Thu, 28 May 2020 22:15:55 +0200 Message-Id: <20200528201559.22618-13-anton@khirnov.net> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200528201559.22618-1-anton@khirnov.net> References: <20200528201559.22618-1-anton@khirnov.net> MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH 13/17] vf_scale: switch to child_class_iterate() 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 Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" --- libavfilter/vf_scale.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/libavfilter/vf_scale.c b/libavfilter/vf_scale.c index 0348f19d33..f92529e7c8 100644 --- a/libavfilter/vf_scale.c +++ b/libavfilter/vf_scale.c @@ -882,10 +882,19 @@ static int process_command(AVFilterContext *ctx, const char *cmd, const char *ar return ret; } +#if FF_API_CHILD_CLASS_NEXT static const AVClass *child_class_next(const AVClass *prev) { return prev ? NULL : sws_get_class(); } +#endif + +static const AVClass *child_class_iterate(void **iter) +{ + const AVClass *c = *iter ? NULL : sws_get_class(); + *iter = (void*)(uintptr_t)c; + return c; +} #define OFFSET(x) offsetof(ScaleContext, x) #define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM @@ -944,7 +953,10 @@ static const AVClass scale_class = { .option = scale_options, .version = LIBAVUTIL_VERSION_INT, .category = AV_CLASS_CATEGORY_FILTER, +#if FF_API_CHILD_CLASS_NEXT .child_class_next = child_class_next, +#endif + .child_class_iterate = child_class_iterate, }; static const AVFilterPad avfilter_vf_scale_inputs[] = { @@ -984,7 +996,10 @@ static const AVClass scale2ref_class = { .option = scale_options, .version = LIBAVUTIL_VERSION_INT, .category = AV_CLASS_CATEGORY_FILTER, +#if FF_API_CHILD_CLASS_NEXT .child_class_next = child_class_next, +#endif + .child_class_iterate = child_class_iterate, }; static const AVFilterPad avfilter_vf_scale2ref_inputs[] = {