From patchwork Fri Sep 13 14:59:45 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lance Wang X-Patchwork-Id: 15056 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 7AB4244A718 for ; Fri, 13 Sep 2019 17:59:58 +0300 (EEST) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 549156881BB; Fri, 13 Sep 2019 17:59:58 +0300 (EEST) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from mail-pf1-f194.google.com (mail-pf1-f194.google.com [209.85.210.194]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 29761687F84 for ; Fri, 13 Sep 2019 17:59:52 +0300 (EEST) Received: by mail-pf1-f194.google.com with SMTP id r12so18288683pfh.1 for ; Fri, 13 Sep 2019 07:59:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=elP5HYV2Jvh87DKjR/XgiuB08e2KKHJ+n2Z+7bzq/VI=; b=HUiWTwNhNOUqH75JQj7VInmY/OH34jKmMywRkKVAiqNDGYCgzSwRFJv+cXFyWNAzLe SHTyMXMduVYNlwseQX1dvp1SkzzuBnuGWPGvSK96oRduCUgO70D/w0IqSnDQOmYnG/+7 nD74HLfekJs3Qui0SRvemOtpF9lb2VQWtTWDjtK61znUkMxWnMfx3hBeM0osR/8aGCGo hucAvfWqq+SZDijCaQ7pI9HDorbqRKW7ty31YRE0N4I+gixGW9+NwpArC0TsZMsvpsar S/mg9EEfJgkiKGzj18A0L6MHzI6ZXXx4YFEx65gvyZ7tP0VIY/nkvSQ0t6pGDbHwohZ3 mL0Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=elP5HYV2Jvh87DKjR/XgiuB08e2KKHJ+n2Z+7bzq/VI=; b=XjI4K2JJXUvnkX+eY8UryRE0Gr1iLgETcLGFjT2WYVOcdLw6mWeKf6srjFy8nUw/t/ fW/mQR/n0jQxX45MPdYr5teqvNc1LqrsKM8T5lrWM1VT/J8dA3+JHSz90oHdHHLqNPQz y8qqa0OSY/aN/WRR0MbOoMS4+VUMOWbFVkKgN+Pvb8hEJ2iJi+SQk+V4479m05RNOdrQ NX5ukR/u/VxENCrzRm6UixI8IE8mA7HoHSLzIr/quvelenP3Y801LHG3ILeRddo2uzk2 xMo839Sr49ly80uyn4hqbnxIN5Yx1Up7PisrATgFb7x0Q8R00RsgqHmmOK6H1uDXFRBQ 2S1g== X-Gm-Message-State: APjAAAV4WHrOvsuPlsUKm4xS9BIqmax4n2o7QLIdEZj3agyMSM+UhnoZ 8VJdIhLUY3XrLpdPfAzjKKJn4gvS X-Google-Smtp-Source: APXvYqyOGp7mw95bbB08R0Nc8boLXI5WDqNkzqtbZYVrnXMSK+KmauWqM1YHfErhHEMT5N6MNixnTQ== X-Received: by 2002:a62:2f85:: with SMTP id v127mr54600684pfv.68.1568386790095; Fri, 13 Sep 2019 07:59:50 -0700 (PDT) Received: from vpn.localdomain ([47.90.99.151]) by smtp.gmail.com with ESMTPSA id g14sm28243303pfo.133.2019.09.13.07.59.48 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 13 Sep 2019 07:59:49 -0700 (PDT) From: lance.lmwang@gmail.com To: ffmpeg-devel@ffmpeg.org Date: Fri, 13 Sep 2019 22:59:45 +0800 Message-Id: <20190913145945.18504-1-lance.lmwang@gmail.com> X-Mailer: git-send-email 2.9.5 In-Reply-To: <20190912233301.17664-1-lance.lmwang@gmail.com> References: <20190912233301.17664-1-lance.lmwang@gmail.com> Subject: [FFmpeg-devel] [PATCH v1 2/2] avfilter/vf_minterpolate: change the default threshold to get better scenechange detect result 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 Cc: Limin Wang MIME-Version: 1.0 Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" From: Limin Wang ./ffmpeg -loglevel debug -i ../fate-suite/svq3/Vertical400kbit.sorenson3.mov -vf minterpolate=fps=60:mi_mode=blend -an -f null - [Parsed_minterpolate_0 @ 0x7fe7f3e193c0] scene changed, input pts 1600 [Parsed_minterpolate_0 @ 0x7fe7f3e193c0] scene changed, input pts 4120 [Parsed_minterpolate_0 @ 0x7fe7f3e193c0] scene changed, input pts 5780 [Parsed_minterpolate_0 @ 0x7fe7f3e193c0] scene changed, input pts 6700 [Parsed_minterpolate_0 @ 0x7fe7f3e193c0] scene changed, input pts 8140 [Parsed_minterpolate_0 @ 0x7fe7f3e193c0] scene changed, input pts 9740 [Parsed_minterpolate_0 @ 0x7fe7f3e193c0] scene changed, input pts 14060 [Parsed_minterpolate_0 @ 0x7fe7f3e193c0] scene changed, input pts 15680 [Parsed_minterpolate_0 @ 0x7fe7f3e193c0] scene changed, input pts 18480 [Parsed_minterpolate_0 @ 0x7fe7f3e193c0] scene changed, input pts 20020 [Parsed_minterpolate_0 @ 0x7fe7f3e193c0] scene changed, input pts 21740 The results are consistent with tests/ref/fate/filter-metadata-scenedetect For the master, it'll detect more than 20 scene change for the same source. Signed-off-by: Limin Wang --- libavfilter/vf_minterpolate.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/libavfilter/vf_minterpolate.c b/libavfilter/vf_minterpolate.c index fc8054b..c9ce804 100644 --- a/libavfilter/vf_minterpolate.c +++ b/libavfilter/vf_minterpolate.c @@ -230,7 +230,7 @@ static const AVOption minterpolate_options[] = { { "scd", "scene change detection method", OFFSET(scd_method), AV_OPT_TYPE_INT, {.i64 = SCD_METHOD_FDIFF}, SCD_METHOD_NONE, SCD_METHOD_FDIFF, FLAGS, "scene" }, CONST("none", "disable detection", SCD_METHOD_NONE, "scene"), CONST("fdiff", "frame difference", SCD_METHOD_FDIFF, "scene"), - { "scd_threshold", "scene change threshold", OFFSET(scd_threshold), AV_OPT_TYPE_DOUBLE, {.dbl = 5.0}, 0, 100.0, FLAGS }, + { "scd_threshold", "scene change threshold", OFFSET(scd_threshold), AV_OPT_TYPE_DOUBLE, {.dbl = 10.}, 0, 100.0, FLAGS }, { NULL } }; @@ -1097,6 +1097,7 @@ static void interpolate(AVFilterLink *inlink, AVFrame *avf_out) } if (mi_ctx->scene_changed) { + av_log(ctx, AV_LOG_DEBUG, "scene changed, input pts %"PRId64"\n", mi_ctx->frames[1].avf->pts); /* duplicate frame */ av_frame_copy(avf_out, alpha > ALPHA_MAX / 2 ? mi_ctx->frames[2].avf : mi_ctx->frames[1].avf); return;