[FFmpeg-devel] [PATCH v2 4/4] fftools: Enable filtergraph printing and update docs

[softworkz <ffmpegagent@gmail.com>]

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 da6549f043..6398b4ed92 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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