From 7b9968762a6ffbf2c5eef620c7e7c54440aec11e Mon Sep 17 00:00:00 2001
From: ducoterra <git@ducoterra.net>
Date: Tue, 14 Oct 2025 12:36:29 -0400
Subject: [PATCH] add ffpmeg notes

---
 active/software_ffmpeg/ffmpeg.md | 44 +++++++++++++++++++++++++++++++-
 1 file changed, 43 insertions(+), 1 deletion(-)

diff --git a/active/software_ffmpeg/ffmpeg.md b/active/software_ffmpeg/ffmpeg.md
index 9216335..a796f32 100644
--- a/active/software_ffmpeg/ffmpeg.md
+++ b/active/software_ffmpeg/ffmpeg.md
@@ -1,5 +1,47 @@
 # FFMPEG
 
+## Slow down a gif
+
+```bash
+ffmpeg \
+-r 100 \
+-i "solid-snake-mgs.gif" \
+-vf " minterpolate=50,split[g][p]; [p]palettegen[p]; [g][p]paletteuse" out.gif
+```
+
+## Combine images into a gif
+
+```bash
+ffmpeg \
+-f image2 \
+-framerate 3 \
+-i frame_%d.jpeg video.gif
+```
+
+## Compression
+
+```bash
+ffmpeg \
+-hwaccel vaapi \
+-vaapi_device /dev/dri/renderD128 \
+-hwaccel_output_format vaapi \
+-i input.mp4 \
+-c:v hevc_vaapi \
+-rc_mode 1 \
+-qp 25 \
+output.mp4
+
+ffmpeg \
+-hwaccel vaapi \
+-vaapi_device /dev/dri/renderD128 \
+-hwaccel_output_format vaapi \
+-i input.mp4 \
+-c:v h264_vaapi \
+-b:v 0 \
+-maxrate 10M \
+output.mp4
+```
+
 ## DVD Ripping
 
 ```bash
@@ -21,4 +63,4 @@ ffmpeg \
 -c:a aac \
 -b:a 256k \
 ~/Downloads/VTS_01_1.mp4
-```
\ No newline at end of file
+```