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From: softworkz <ffmpegagent@gmail.com>
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Date: Sat, 01 Mar 2025 22:54:51 +0000
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To: ffmpeg-devel@ffmpeg.org
Subject: [FFmpeg-devel] [PATCH v4 7/7] fftools: Enable filtergraph printing
and update docs
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Cc: Soft Works <softworkz-at-hotmail.com@ffmpeg.org>,
softworkz <softworkz@hotmail.com>,
Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
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From: softworkz <softworkz@hotmail.com>
Enables filtergraph printing and adds the options to the docs
Signed-off-by: softworkz <softworkz@hotmail.com>
---
doc/ffmpeg.texi | 10 ++++++++++
fftools/ffmpeg.c | 4 ++++
fftools/ffmpeg_filter.c | 5 +++++
3 files changed, 19 insertions(+)
diff --git a/doc/ffmpeg.texi b/doc/ffmpeg.texi
index fca220a334..0f1a253183 100644
--- a/doc/ffmpeg.texi
+++ b/doc/ffmpeg.texi
@@ -1388,6 +1388,16 @@ It is on by default, to explicitly disable it you need to specify @code{-nostats
@item -stats_period @var{time} (@emph{global})
Set period at which encoding progress/statistics are updated. Default is 0.5 seconds.
+@item -print_graphs (@emph{global})
+Prints filtergraph details to stderr in the format set via -print_graphs_format.
+
+@item -print_graphs_file @var{filename} (@emph{global})
+Writes filtergraph details to the specified file in the format set via -print_graphs_format.
+
+@item -print_graphs_format @var{format} (@emph{global})
+Sets the output printing format (available formats are: default, compact, csv, flat, ini, json, xml)
+The default format is json.
+
@item -progress @var{url} (@emph{global})
Send program-friendly progress information to @var{url}.
diff --git a/fftools/ffmpeg.c b/fftools/ffmpeg.c
index dc321fb4a2..b4bc76d788 100644
--- a/fftools/ffmpeg.c
+++ b/fftools/ffmpeg.c
@@ -81,6 +81,7 @@
#include "ffmpeg.h"
#include "ffmpeg_sched.h"
#include "ffmpeg_utils.h"
+#include "ffmpeg_graphprint.h"
const char program_name[] = "ffmpeg";
const int program_birth_year = 2000;
@@ -308,6 +309,9 @@ const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
static void ffmpeg_cleanup(int ret)
{
+ if (print_graphs || print_graphs_file)
+ print_filtergraphs(filtergraphs, nb_filtergraphs, output_files, nb_output_files);
+
if (do_benchmark) {
int64_t maxrss = getmaxrss() / 1024;
av_log(NULL, AV_LOG_INFO, "bench: maxrss=%"PRId64"KiB\n", maxrss);
diff --git a/fftools/ffmpeg_filter.c b/fftools/ffmpeg_filter.c
index 6de4e87ade..7198416ae9 100644
--- a/fftools/ffmpeg_filter.c
+++ b/fftools/ffmpeg_filter.c
@@ -22,6 +22,7 @@
#include "ffmpeg.h"
#include "ffmpeg_filter.h"
+#include "ffmpeg_graphprint.h"
#include "libavfilter/avfilter.h"
#include "libavfilter/buffersink.h"
@@ -2970,6 +2971,10 @@ read_frames:
}
finish:
+
+ if (print_graphs || print_graphs_file)
+ print_filtergraph(fg, fgt.graph);
+
// EOF is normal termination
if (ret == AVERROR_EOF)
ret = 0;
--
ffmpeg-codebot
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