From fceb04a3c9baf56203b8bc2ed5c074295de3c967 Mon Sep 17 00:00:00 2001
From: Michael Carroll <michael@openrobotics.org>
Date: Wed, 31 Aug 2022 12:49:08 -0500
Subject: [PATCH] Add comment describing known ffmpeg configurations

Signed-off-by: Michael Carroll <michael@openrobotics.org>
---
 av/include/gz/common/ffmpeg_inc.hh | 54 ++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)

diff --git a/av/include/gz/common/ffmpeg_inc.hh b/av/include/gz/common/ffmpeg_inc.hh
index ddae5e0b3..32c6459f8 100644
--- a/av/include/gz/common/ffmpeg_inc.hh
+++ b/av/include/gz/common/ffmpeg_inc.hh
@@ -17,6 +17,60 @@
 #ifndef GZ_COMMON_FFMPEG_INC_HH_
 #define GZ_COMMON_FFMPEG_INC_HH_
 
+/// Versions of FFMPEG on Gazebo supported platforms
+// v4.2.7 (Ubuntu Focal)
+// libavutil      56. 31.100 / 56. 31.100
+// libavcodec     58. 54.100 / 58. 54.100
+// libavformat    58. 29.100 / 58. 29.100
+// libavdevice    58.  8.100 / 58.  8.100
+// libavfilter     7. 57.100 /  7. 57.100
+// libavresample   4.  0.  0 /  4.  0.  0
+// libswscale      5.  5.100 /  5.  5.100
+// libswresample   3.  5.100 /  3.  5.100
+// libpostproc    55.  5.100 / 55.  5.100
+
+// v4.4.1 (Windows CI vcpkg)
+// libavutil      56. 70.100 / 56. 70.100
+// libavcodec     58.134.100 / 58.134.100
+// libavformat    58. 76.100 / 58. 76.100
+// libavdevice    58. 13.100 / 58. 13.100
+// libavfilter     7.110.100 /  7.110.100
+// libswscale      5.  9.100 /  5.  9.100
+// libswresample   3.  9.100 /  3.  9.100
+// libpostproc    55.  9.100 / 55.  9.100
+
+// v4.4.2 (Ubuntu Jammy)
+// libavutil      56. 70.100 / 56. 70.100
+// libavcodec     58.134.100 / 58.134.100
+// libavformat    58. 76.100 / 58. 76.100
+// libavdevice    58. 13.100 / 58. 13.100
+// libavfilter     7.110.100 /  7.110.100
+// libswscale      5.  9.100 /  5.  9.100
+// libswresample   3.  9.100 /  3.  9.100
+// libpostproc    55.  9.100 / 55.  9.100
+
+// v5.1 (homebrew)
+//  libavutil      57. 28.100 / 57. 28.100
+//  libavcodec     59. 37.100 / 59. 37.100
+//  libavformat    59. 27.100 / 59. 27.100
+//  libavdevice    59.  7.100 / 59.  7.100
+//  libavfilter     8. 44.100 /  8. 44.100
+//  libswscale      6.  7.100 /  6.  7.100
+//  libswresample   4.  7.100 /  4.  7.100
+//  libpostproc    56.  6.100 / 56.  6.100
+
+/// Additional versions of FFMPEG not officially supported
+// v5.0.1 (conda-forge)
+// libavutil      57. 17.100 / 57. 17.100
+// libavcodec     59. 18.100 / 59. 18.100
+// libavformat    59. 16.100 / 59. 16.100
+// libavdevice    59.  4.100 / 59.  4.100
+// libavfilter     8. 24.100 /  8. 24.100
+// libswscale      6.  4.100 /  6.  4.100
+// libswresample   4.  3.100 /  4.  3.100
+// libpostproc    56.  3.100 / 56.  3.100
+
+
 #include <string>
 
 #include <gz/common/config.hh>