From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org [79.124.17.100]) by master.gitmailbox.com (Postfix) with ESMTP id E6257422DC for ; Wed, 2 Mar 2022 18:40:33 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id CF37B68B335; Wed, 2 Mar 2022 20:40:31 +0200 (EET) Received: from nef.ens.fr (nef2.ens.fr [129.199.96.40]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id B69AD68B318 for ; Wed, 2 Mar 2022 20:40:25 +0200 (EET) X-ENS-nef-client: 129.199.129.80 ( name = phare.normalesup.org ) Received: from phare.normalesup.org (phare.normalesup.org [129.199.129.80]) by nef.ens.fr (8.14.4/1.01.28121999) with ESMTP id 222IeOaa010651 for ; Wed, 2 Mar 2022 19:40:25 +0100 Received: by phare.normalesup.org (Postfix, from userid 1001) id E7099EB5BC; Wed, 2 Mar 2022 19:40:24 +0100 (CET) From: Nicolas George To: ffmpeg-devel@ffmpeg.org Date: Wed, 2 Mar 2022 19:40:20 +0100 Message-Id: <20220302184023.285022-2-george@nsup.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220302184023.285022-1-george@nsup.org> References: <20220302184023.285022-1-george@nsup.org> MIME-Version: 1.0 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.4.3 (nef.ens.fr [129.199.96.32]); Wed, 02 Mar 2022 19:40:25 +0100 (CET) Subject: [FFmpeg-devel] [PATCH 2/5] fftools: add -lavfi_dump option X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.29 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 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: Signed-off-by: Nicolas George --- doc/ffmpeg.texi | 4 ++++ fftools/ffmpeg.h | 1 + fftools/ffmpeg_filter.c | 14 ++++++++++++++ fftools/ffmpeg_opt.c | 3 +++ 4 files changed, 22 insertions(+) Unchanged since last summer. diff --git a/doc/ffmpeg.texi b/doc/ffmpeg.texi index 164419cad3..1f6c416390 100644 --- a/doc/ffmpeg.texi +++ b/doc/ffmpeg.texi @@ -1864,6 +1864,10 @@ The default is the number of available CPUs. Define a complex filtergraph, i.e. one with arbitrary number of inputs and/or outputs. Equivalent to @option{-filter_complex}. +@anchor{lavfi_dump option} +@item -lavfi_dump (@emph{global}) +Dump the filter graphs and their negotiated formats to standard output. + @item -filter_complex_script @var{filename} (@emph{global}) This option is similar to @option{-filter_complex}, the only difference is that its argument is the name of the file from which a complex filtergraph diff --git a/fftools/ffmpeg.h b/fftools/ffmpeg.h index cc8f767e5d..4b81cc19fa 100644 --- a/fftools/ffmpeg.h +++ b/fftools/ffmpeg.h @@ -635,6 +635,7 @@ extern char *filter_nbthreads; extern int filter_complex_nbthreads; extern int vstats_version; extern int auto_conversion_filters; +extern int dump_filtergraphs; extern const AVIOInterruptCB int_cb; diff --git a/fftools/ffmpeg_filter.c b/fftools/ffmpeg_filter.c index b80d7189db..33ed91bf63 100644 --- a/fftools/ffmpeg_filter.c +++ b/fftools/ffmpeg_filter.c @@ -1070,6 +1070,20 @@ int configure_filtergraph(FilterGraph *fg) avfilter_graph_set_auto_convert(fg->graph, AVFILTER_AUTO_CONVERT_NONE); if ((ret = avfilter_graph_config(fg->graph, NULL)) < 0) goto fail; + if (dump_filtergraphs) { + char *dump = avfilter_graph_dump(fg->graph, "f=tech"); + if (!dump) + return AVERROR(ENOMEM); + if (simple) { + OutputStream *ost = fg->outputs[0]->ost; + printf("Dump of filter graph for output #%d:%d:", ost->file_index, ost->index); + } else { + printf("Dump of complex filter graph #%d:", fg->index); + } + printf("\n\n%s\n", dump); + av_free(dump); + fflush(stdout); + } fg->is_meta = graph_is_meta(fg->graph); diff --git a/fftools/ffmpeg_opt.c b/fftools/ffmpeg_opt.c index bf1bbcae4c..9b09917bb3 100644 --- a/fftools/ffmpeg_opt.c +++ b/fftools/ffmpeg_opt.c @@ -167,6 +167,7 @@ char *filter_nbthreads; int filter_complex_nbthreads = 0; int vstats_version = 2; int auto_conversion_filters = 1; +int dump_filtergraphs = 0; int64_t stats_period = 500000; @@ -3670,6 +3671,8 @@ const OptionDef options[] = { "number of threads for -filter_complex" }, { "lavfi", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_complex }, "create a complex filtergraph", "graph_description" }, + { "lavfi_dump", OPT_BOOL | OPT_EXPERT, { &dump_filtergraphs }, + "dump filter graphs to standard output" }, { "filter_complex_script", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_complex_script }, "read complex filtergraph description from a file", "filename" }, { "auto_conversion_filters", OPT_BOOL | OPT_EXPERT, { &auto_conversion_filters }, -- 2.34.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".