PR #20655 opened by James Almer (jamrial)
URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20655
Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20655.patch

The muxed subtitle is created by libavformat, and as such that's what should be 
reported. This is in line with the string we write for every other muxer.
After this change, the muxer will no longer be recompiled every time a commit 
is made.


>From 84f14baa5c9ad26e35e84f385fb6ae708adb989e Mon Sep 17 00:00:00 2001
From: James Almer <[email protected]>
Date: Mon, 6 Oct 2025 10:32:15 -0300
Subject: [PATCH] avformat/mccenc: use Lavf version string instead of FFmpeg

The muxed subtitle is created by libavformat, and as such that's what should be
reported. This is in line with the string we write for every other muxer.
After this change, the muxer will no longer be recompiled every time a commit
is made.

Signed-off-by: James Almer <[email protected]>
---
 libavformat/mccenc.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/libavformat/mccenc.c b/libavformat/mccenc.c
index c64d53805d..1c291f75b2 100644
--- a/libavformat/mccenc.c
+++ b/libavformat/mccenc.c
@@ -23,6 +23,7 @@
 #include "avformat.h"
 #include "internal.h"
 #include "mux.h"
+#include "version.h"
 
 #include "libavcodec/codec_id.h"
 #include "libavcodec/smpte_436m.h"
@@ -30,7 +31,6 @@
 #include "libavutil/avassert.h"
 #include "libavutil/avstring.h"
 #include "libavutil/error.h"
-#include "libavutil/ffversion.h"
 #include "libavutil/log.h"
 #include "libavutil/macros.h"
 #include "libavutil/opt.h"
@@ -125,9 +125,9 @@ static int mcc_write_header(AVFormatContext *avf)
     const char *creation_program = mcc->creation_program;
     if (!creation_program) {
         if (avf->flags & AVFMT_FLAG_BITEXACT)
-            creation_program = "FFmpeg";
+            creation_program = "Lavf";
         else
-            creation_program = "FFmpeg version " FFMPEG_VERSION;
+            creation_program = LIBAVFORMAT_IDENT;
     } else if (strchr(creation_program, '\n')) {
         av_log(avf, AV_LOG_FATAL, "creation_program must not contain multiple 
lines of text\n");
         return AVERROR(EINVAL);
-- 
2.49.1

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