Signed-off-by: Nicolas George <geo...@nsup.org> --- doc/ffmpeg.texi | 4 ++++ fftools/ffmpeg.h | 1 + fftools/ffmpeg_filter.c | 14 ++++++++++++++ fftools/ffmpeg_opt.c | 3 +++ 4 files changed, 22 insertions(+)
Identical to the one posted months ago. diff --git a/doc/ffmpeg.texi b/doc/ffmpeg.texi index 2fb0bc8ffa..1a342846c2 100644 --- a/doc/ffmpeg.texi +++ b/doc/ffmpeg.texi @@ -1902,6 +1902,10 @@ 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 6417db03bd..d2ec8ea257 100644 --- a/fftools/ffmpeg.h +++ b/fftools/ffmpeg.h @@ -654,6 +654,7 @@ 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 f9ae76f76d..973de34b5f 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 a96bcf9b8a..6404412f5a 100644 --- a/fftools/ffmpeg_opt.c +++ b/fftools/ffmpeg_opt.c @@ -178,6 +178,7 @@ 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; @@ -3947,6 +3948,8 @@ 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 }, -- 2.35.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".